Shen Yiru — After-Sales Service Engineer - Taizhou Xinchengyang Machinery Manufacturing Co., Ltd

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DK45BC CNC Medium-Speed Wire EDM Machine: Precision, Capacity, and Production Efficiency
In modern mold manufacturing, precision tooling, automotive components, aerospace parts, and general mechanical production, wire electrical discharge machining has become an essential technology for processing electrically conductive materials. It enables manufacturers to produce intricate profiles, narrow slots, sharp internal corners, complex contours, and highly accurate components that may be difficult or impossible to manufacture using conventional cutting tools. The DK45BC CNC Medium-Speed Wire EDM Machine is designed for manufacturers that require more capacity than a compact wire-cut EDM machine while still demanding stable accuracy, reliable operation, controlled operating costs, and flexible cutting performance. With a maximum worktable load of 400 kg, a maximum cutting thickness of 450 mm, an X-axis travel of 450 mm, and a Y-axis travel of 600 mm, the machine is positioned for medium-sized and relatively heavy workpieces. Its configuration combines a rigid machine structure, precision linear guide support, four-axis linkage, adjustable wire-feed speed, multi-pass cutting capability, an X8/AUTOCUT programming system, and optional servo or linear-scale upgrades. These characteristics allow the DK45BC to serve both productivity-oriented cutting operations and applications that require improved surface quality and repeatable dimensional accuracy. The machine is manufactured by Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., a specialist wire-cut EDM producer with roots in the industry dating back to 1999. The company develops and manufactures medium-speed, high-speed, and large-taper wire-cut EDM equipment, combining product engineering, production testing, process support, and after-sales service in a single supply chain. This article examines the DK45BC in detail, including its mechanical design, control system, cutting performance, application range, manufacturing advantages, customization options, maintenance requirements, and comparison with alternative machine classes. DK45BC CNC Medium-Speed Wire EDM Machine (400kg Load) 1. Positioning of the DK45BC in Medium-Speed Wire EDM Wire EDM machines are commonly selected according to workpiece dimensions, material thickness, required surface quality, production volume, taper requirements, and the desired balance between initial investment and operating cost. A small machine may be economical but lack sufficient table capacity. A large machine may provide additional travel and load capacity but occupy more floor space and require a higher investment. The DK45BC occupies an important middle position. It is larger and more heavily built than compact models intended for small components, yet it remains more accessible and economical than many imported high-end systems. Its 650 × 926 mm worktable and 400 kg maximum load give manufacturers room to process medium-sized molds, mechanical components, automotive tooling, and thick conductive workpieces. The machine is particularly suitable where the production requirements include one or more of the following conditions: • The workpiece is too large or heavy for a compact wire-cut EDM machine. • Cutting thickness may reach 450 mm. • The production process requires rough cutting followed by one or more finishing passes. • The user needs four-axis X, Y, U, and V interpolation for taper cutting. • The workshop requires a machine that can process different conductive metals without tool hardness becoming a limiting factor. • The buyer wants a practical alternative to higher-priced imported medium-speed or low-speed wire EDM systems. • The machine must support future upgrades such as AC servo drives, linear scales, enhanced control cabinets, or special worktable dimensions. Unlike a basic high-speed wire-cut system intended primarily for single-pass rough cutting, the DK45BC is designed around a more flexible process concept. Its adjustable wire speed and multi-pass capability allow the operator to prioritize cutting efficiency during the first pass and dimensional or surface quality during subsequent passes. 2. Main Technical Specifications The technical configuration of the DK45BC is intended to support medium-sized production while maintaining a practical footprint. The principal specifications are summarized below. ParameterDK45BC Specification Worktable size650 × 926 mm X/Y travel450 × 600 mm Processing slot size650 × 970 mm Maximum cutting thickness450 mm Maximum worktable load400 kg U/V travel60 × 60 mm Maximum taper±6°/80 mm Electrode wire diameter0.18 mm with wire guide Wire-feed speed1–11 m/s, frequency controlled Maximum wire storage lengthApproximately 350 m Maximum cutting efficiency10,000–16,000 mm²/h Best surface roughnessRa ≤ 2.5 μm according to the listed standard configuration NC-controlled axesX, Y, U, and V four-axis linkage Control systemX8/AUTOCUT Standard control cabinetZHZK-03 Optional control cabinetZHZ-09G Electrical capacity2.5 KVA Power supply3N 380 V ±10% Machine weightApproximately 1,400 kg Overall dimensionsApproximately 1,915 × 1,655 × 1,830 mm The listed maximum cutting efficiency varies according to the selected control cabinet, workpiece material, thickness, flushing conditions, cutting strategy, and process parameters. For this reason, production users should evaluate the machine using actual material and part samples before establishing a final cycle-time estimate. 3. Rigid Mechanical Structure for Stable Cutting Mechanical stability is fundamental to wire EDM accuracy. The wire is slender, continuously moving, and subject to tension, flushing forces, vibration, and changing discharge conditions. Any weakness in the machine structure, guide system, worktable, or wire frame can lead to geometric deviation, taper error, surface irregularity, or unstable cutting. The DK45BC uses a high-strength cast-iron machine base and a rigid structural layout intended to absorb vibration during reciprocating wire movement. The manufacturing process includes aging treatment designed to reduce internal stress in the casting. Stress relief is important because residual stress can gradually influence alignment and geometry as a machine operates through changes in temperature and working load. A rigid base also supports the long-term relationship between the X and Y axes. When a workpiece is mounted on the table, the machine must maintain smooth axis movement without excessive deflection. This is especially important when processing heavy molds or thick parts near the machine’s maximum load rating. The worktable provides a usable 650 × 926 mm surface, while the 400 kg load capacity allows the machine to handle substantially heavier components than small-format equipment. The load rating must always be considered together with workpiece positioning, center of gravity, clamping method, and table condition. Proper distribution of the workpiece helps maintain smooth motion and reduces unnecessary stress on the axis drive system. High-precision linear guides are included as a standard configuration. Compared with conventional sliding guide arrangements, linear guides can provide lower friction, smoother movement, and more consistent positioning behavior. They also contribute to reduced mechanical resistance during directional changes and help support repeatable contour tracking. 4. Wire-Feed and Guide System The wire-feed system has a direct influence on cutting stability, surface condition, wire wear, and the probability of wire breakage. The DK45BC uses a frequency-controlled wire-feed system with a speed range of approximately 1–11 m/s. This range enables the operator or control system to adapt wire movement to different cutting stages. Higher wire speed can support productive rough cutting by continuously presenting fresh electrode wire to the discharge zone. Lower or adjusted wire speed can be useful during finishing operations where the priority is stable discharge behavior, controlled material removal, and improved surface quality. The machine is configured for 0.18 mm electrode wire with a guide device. The wire storage length is approximately 350 m, and the maximum travel of the wire drum is approximately 180 mm. The wire system is designed to maintain controlled movement through the machining zone while supporting convenient threading and routine operator access. Guide wheels and guide nozzles must maintain precise alignment throughout operation. The supplied configuration includes waterproof guide-wheel components designed to simplify wire threading and help protect the wire path from working fluid. The use of suitable guide materials, correct wire tension, clean flushing water, and regular inspection is essential for achieving consistent results. Optional components include a high-pressure water tank and linear scale feedback. The high-pressure flushing option is valuable when cutting thick workpieces because debris must be removed efficiently from a deep and narrow kerf. If debris accumulates in the cutting gap, unstable discharge, short circuits, wire vibration, and reduced surface quality may occur. The wire-feed system also supports the machine’s multi-pass process. A first pass can be configured for efficient stock removal, while later passes can be programmed with different electrical and motion parameters. This makes the DK45BC more versatile than a machine restricted to a single rough-cut operation. 5. Control System and Intelligent Process Management The DK45BC uses the X8/AUTOCUT programming and control system. The control platform is intended to simplify programming, improve cutting stability, and support repeatable production. The system can be used for routine profiles as well as more complex contours requiring coordinated movement. Graphical programming functions can reduce the need for extensive manual code preparation. Depending on the installed software configuration, users can work with imported geometry, define cutting paths, establish offsets, select cutting conditions, and configure multiple passes. This reduces setup time and minimizes the risk of manual programming errors. The control system also supports the four coordinated axes of X, Y, U, and V. The X and Y axes define the primary profile movement, while U and V control the relative movement of the upper and lower wire guides. Coordinated U/V movement permits taper cutting and enables the machine to produce different upper and lower contours when the application requires it. Real-time monitoring of the electrical discharge gap is an important part of stable wire EDM operation. Cutting conditions change as the wire enters corners, crosses different material zones, encounters changing thickness, or removes debris from the kerf. Adaptive control can adjust feed and discharge behavior to help maintain a stable process. Stable control is especially valuable for thick workpieces. As thickness increases, flushing becomes more difficult and the wire can experience greater lag or vibration. A responsive control system helps the machine react to unstable discharge conditions and reduces the risk of wire breakage. The standard control cabinet is the ZHZK-03, while the ZHZ-09G is available as an optional configuration. The appropriate control cabinet should be selected according to the required cutting efficiency, operator preferences, process complexity, and planned future upgrades. Programming and Operator Accessibility A wire EDM machine can only deliver its full technical capability when operators can use the control system effectively. The DK45BC is designed with an operator-oriented interface that supports routine production programming and process adjustment. Operators with general CNC experience can normally learn the basic workflow through training, manuals, and supervised practice. Typical programming steps include importing or creating the profile, confirming workpiece coordinates, selecting the wire diameter and offset, defining the entry point, setting cutting passes, checking taper data where applicable, and starting the machining cycle. The system can then monitor cutting conditions during operation. Training should also cover workpiece alignment, wire threading, flushing adjustment, conductivity and water-quality control, consumable inspection, alarm handling, and emergency procedures. Proper training protects both the machine and the workpiece while improving actual production output. 6. Cutting Efficiency and Multi-Pass Performance The DK45BC offers a maximum stated cutting efficiency of 10,000–16,000 mm²/h. The actual rate depends on material type, material thickness, electrical parameters, flushing, wire condition, workpiece geometry, and the selected control cabinet. The machine is therefore appropriate for medium-batch production in which a combination of throughput and accuracy is required. Multi-pass cutting is one of the machine’s principal advantages. In a conventional rough-cut process, the operator may focus on removing material as quickly as practical. However, the first pass can leave a surface and dimensional condition that is not adequate for a finished mold or precision component. A finishing pass can correct part geometry, reduce surface irregularities, and improve dimensional consistency. The DK45BC can be used with roughing, semi-finishing, and finishing strategies. The exact number of passes depends on the material, desired tolerance, part geometry, and surface requirement. For a basic blanking task, one efficient pass may be sufficient. For a precision mold insert, multiple passes may provide better results. This process flexibility creates an important difference between medium-speed equipment and basic high-speed machines. High-speed wire EDM machines are often selected for fast blanking and economical rough cutting. The DK45BC, by contrast, is designed to combine productive initial cutting with the possibility of controlled finishing. Cutting efficiency should not be evaluated only by the maximum material removal rate. A machine that achieves a high rough-cut speed but requires extensive secondary machining may produce a higher total manufacturing cost. By reducing the need for additional polishing, grinding, or corrective machining, controlled multi-pass cutting can improve the overall process economy. The machine’s listed best surface roughness is Ra ≤ 2.5 μm in the standard specification. Other supplied technical descriptions identify finer surface results under specific multi-pass conditions and optional configurations. Actual surface roughness should be confirmed through a sample test using the intended material, thickness, wire, control cabinet, and process parameters. 7. Accuracy, Surface Quality, and Taper Cutting Precision manufacturing requires more than a large travel range. The machine must maintain axis movement, wire alignment, discharge stability, and geometric compensation throughout the cutting cycle. The DK45BC is manufactured according to the GB/T7926-2015 accuracy standard listed in its specifications. The precision of a finished part depends on machine geometry, thermal conditions, wire tension, wire guide condition, material stress, programming offset, flushing, and cutting strategy. Operators must therefore establish a controlled process rather than rely on nominal machine specifications alone. The four-axis U/V system supports taper cutting up to approximately ±6° over an 80 mm thickness range in the listed standard configuration. This function is useful for punches, dies, forming tools, extrusion components, inclined profiles, and parts that require different upper and lower contours. Taper accuracy depends on workpiece thickness, wire tension, guide alignment, electrical conditions, and machine calibration. Before production cutting, the operator should verify the reference plane and accurately set the workpiece coordinate system. The condition of the upper and lower guide assemblies is also critical. For applications requiring substantially larger taper angles, a large-taper wire-frame configuration may be available as a customized solution. Such applications should be reviewed by the manufacturer’s engineering team because larger taper angles can affect flushing, wire deflection, travel range, and process stability. 8. Materials and Industrial Applications Wire EDM can process any electrically conductive material when the electrical and thermal properties fall within the operating range of the equipment. Unlike conventional cutting, material hardness does not directly determine whether the machine can cut the workpiece. Hardened steel, carbide, stainless steel, titanium alloys, copper alloys, and heat-resistant materials can all be considered, provided that suitable process parameters are used. Mold and Die Manufacturing The DK45BC is well suited to medium-sized mold components, precision inserts, punches, dies, and forming tools. Mold manufacturers often require narrow slots, internal radii, complex profiles, and high dimensional repeatability. The 450 mm maximum cutting thickness supports the processing of thick mold blocks and tool components. Multiple cutting passes can improve the quality of mold surfaces and reduce the amount of manual finishing required after EDM. The machine’s taper function is also useful for die clearance, forming angles, and specialized tooling geometries. Automotive Components and Tooling Automotive production uses wire-cut EDM for stamping dies, injection mold components, precision fixtures, gear-related components, and special tooling. These parts may combine significant weight with complex two-dimensional or tapered profiles. The DK45BC’s 400 kg table load provides useful capacity for automotive tooling that would be difficult to mount on a small-format machine. Its medium-speed configuration can support both prototype work and repeated production of tooling components. Aerospace and High-Performance Components Aerospace materials often include difficult-to-machine alloys and components with strict dimensional requirements. Wire EDM can process conductive titanium alloys, nickel-based alloys, hardened steels, and other materials that create high tool wear in conventional machining. For aerospace applications, process qualification is essential. Users should verify dimensional capability, surface condition, recast layer requirements, heat-affected-zone limits, and inspection procedures. The DK45BC can provide the cutting platform, while application-specific parameters should be developed through sample testing and documented process control. Mechanical Parts and General Engineering General engineering companies can use the machine for custom components, replacement parts, slots, keyways, profile cutting, and low- to medium-volume production. The ability to process different conductive metals makes the DK45BC useful in workshops with varied customer requirements. It can also be used for cutting cemented carbide, copper, aluminum, stainless steel, tool steel, and other conductive materials. Workholding and flushing should be adapted to the material and part geometry. 9. Advantages Compared with Competing Machine Types The DK45BC should be compared with different equipment categories rather than with a single competing model. Each type of wire EDM has its own strengths, and the best choice depends on the production objective. Compared with Compact Medium-Speed Machines Smaller medium-speed machines typically occupy less floor space and may cost less initially. However, they often have lower table load ratings and shorter axis travel. The DK45BC offers a 400 kg load capacity and 450 × 600 mm X/Y travel, making it more suitable for larger molds and heavier workpieces. For a company that expects its workpiece size to grow, selecting the DK45BC can avoid an early equipment replacement. The larger table also provides greater flexibility for fixtures and multiple small parts mounted in a single setup. Compared with Basic High-Speed Wire EDM High-speed wire EDM machines can be attractive for economical blanking and high-volume rough cutting. However, they may use a more limited single-pass process and may not provide the same level of finishing flexibility. The DK45BC supports adjustable wire speed and multi-pass cutting, giving it an advantage when surface finish and final dimensional quality are important. The DK45BC also uses high-precision linear guides as standard, whereas some basic high-speed machines use sliding guide structures. Linear guides can provide smoother motion and lower friction, which may support better trajectory stability and repeatability. Compared with Imported High-End Wire EDM Imported low-speed or premium wire EDM systems may provide advanced automation, high-end closed-loop control, and highly refined finishing capability. Their purchase price, service costs, spare-part prices, and maintenance requirements can be significantly higher. The DK45BC provides a practical cost-performance alternative for users who need medium-sized capacity, multi-pass cutting, taper capability, and reliable process control without the total investment associated with premium imported equipment. Its domestic manufacturing base also supports customization and direct technical communication. Compared with Conventional Cutting Methods Conventional milling, grinding, and sawing can be highly productive for accessible geometries, but they may struggle with hardened materials, narrow slots, small internal corners, and stress-sensitive profiles. Wire EDM applies no direct mechanical cutting force to the workpiece, reducing the risk of tool deflection and allowing hardened parts to be processed after heat treatment. The process is not universally faster than milling, and it requires conductive material and appropriate dielectric management. However, for complex profiles and difficult materials, it can reduce the need for specialized cutting tools and improve geometric flexibility. 10. Manufacturing Strengths of the Equipment Producer The capability of a machine tool manufacturer affects more than the initial product design. It also influences casting quality, assembly accuracy, inspection reliability, spare-parts availability, process documentation, and long-term technical support. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has specialized in electrical discharge wire cutting since 1999. Its POOSN brand was established in 2003, and the company later developed its own manufacturing base after the establishment of the current enterprise in 2017. The company’s product range includes PS-C medium-speed wire-cut EDM machines, DK77-BC medium-speed models, DK77-A and DK77-B high-speed machines, and DK77-D large-taper machines. This product coverage allows the engineering team to work across different machine formats and application categories. The company reports advanced processing equipment, comprehensive testing methods, and positioning accuracy testing for each machine tool. Such testing is important because the quality of a wire EDM machine depends on the relationship between its mechanical axes, wire frame, worktable, electrical system, and control software. A production process for a machine such as the DK45BC may include casting preparation, aging treatment, precision machining of structural components, guide installation, drive-system assembly, electrical cabinet integration, wire-frame alignment, software configuration, geometric testing, and test cutting. Final test cutting provides practical verification beyond dimensional inspection. It can reveal issues involving wire stability, flushing, cutting response, surface quality, and operator interaction. Factory testing also gives the manufacturer an opportunity to establish baseline parameters before shipment. Quality-Oriented Production The company states that its products are manufactured according to national standards and that each machine undergoes positioning accuracy testing. This quality-oriented approach is especially important for export equipment because machines may be shipped long distances and installed by different service teams. Before shipment, the machine can be checked for axis movement, table condition, wire-feed function, electrical operation, safety functions, and basic cutting capability. Proper packaging is also necessary to protect the machine against vibration, moisture, and handling risks during transportation. International Market Experience The company serves customers in China and exports selected models to Southeast Asia, West Asia, Europe, and the Americas. Experience with different regions can help the manufacturer address differences in power supply, workshop conditions, operator practices, documentation, and local compliance expectations. For international buyers, technical support is an important part of machine value. Remote assistance through video calls, operating manuals, spare-part dispatch, and application guidance can reduce downtime and help users achieve stable production more quickly. 11. Customization and Configuration Options The DK45BC can be configured according to the buyer’s application and production environment. Standard equipment is suitable for many general applications, while optional features can improve precision, automation, productivity, or special-profile capability. Available options may include: • AC servo drives for the X and Y axes. • Linear scale feedback for improved position verification and repeatability. • High-pressure water tank for improved flushing of thick workpieces. • ZHZ-09G control cabinet. • Extended X-axis or Y-axis travel. • Large-taper wire-frame configurations. • Automatic wire threading for reduced operator intervention. • Rotary table or C-axis functions for specialized cylindrical or spiral work. • Certification and documentation packages for specific export markets. Customized worktable dimensions can also be discussed. The manufacturer indicates that X-axis and Y-axis dimensions may be adapted to meet specific production requirements. Any modification to travel, table size, wire frame, or control system should be evaluated as a complete engineering project because changes can affect machine footprint, structural rigidity, power requirements, and shipping dimensions. 12. Installation, Operation, and Maintenance Correct installation is essential for maintaining machine accuracy. The floor must have adequate load-bearing capacity, the machine must be leveled correctly, and sufficient space must be provided for workpiece loading, maintenance, electrical access, and water-system inspection. The listed power supply is 3N 380 V ±10%, and the electrical capacity is approximately 2.5 KVA. Buyers should confirm local voltage, frequency, grounding, circuit protection, and electrical safety requirements before shipment. Although the DK45BC is designed for general workshop conditions, stable temperature and clean environmental conditions are beneficial for precision production. Temperature changes can affect machine geometry, workpiece dimensions, dielectric water temperature, and wire behavior. For the most demanding tolerances, a temperature-controlled environment and optional linear-scale feedback may be appropriate. Daily Checks Operators should check wire tension, wire condition, guide wheels, upper and lower nozzles, flushing flow, water level, water conductivity, and visible leakage before starting production. The worktable should be cleaned to prevent chips or debris from interfering with workpiece seating. The electrical cabinet should be kept dry and free from excessive dust. Cooling fans, filters, and ventilation openings should be inspected according to the maintenance schedule. Alarms should not be ignored, even if the machine appears to continue operating normally. Working Fluid and Filtration Clean working fluid is critical for stable EDM. Filtration removes machining debris from the circulation system, while conductivity control helps maintain predictable discharge conditions. Contaminated fluid can cause unstable cutting, poor surface quality, short circuits, and increased wire breakage. The filtration system should be maintained according to operating hours and material removal volume. Filters and ion-exchange components require periodic replacement or regeneration as appropriate. The exact replacement interval depends on workload and fluid condition rather than calendar time alone. Guide and Wire Maintenance Guide wheels and guide nozzles are wear components. Their condition should be inspected regularly because wear can influence wire position and taper accuracy. The electrode wire should be threaded correctly, and the wire path should remain free of burrs, deposits, and damage. When cutting thick workpieces, flushing pressure and nozzle alignment should be checked carefully. The upper and lower nozzles should be positioned close enough to the workpiece to provide effective flushing while avoiding collision risk. 13. Operating Costs and Lifecycle Value The total cost of a wire EDM machine includes the purchase price, installation, electricity, wire, filters, guide components, working fluid, labor, maintenance, downtime, and possible secondary operations. A machine with a low initial price is not necessarily economical if it produces unstable quality or requires frequent corrective work. The DK45BC is designed to support lifecycle value through a combination of medium-speed productivity, multi-pass finishing, standard components, and optional upgrades. Molybdenum wire is relatively economical compared with consumable wire systems used in some low-speed EDM configurations. Reusable wire-feed operation can help reduce operating cost when the process is properly controlled. Consumable life varies with cutting hours, material, thickness, wire tension, flushing conditions, and process settings. Guide wheels may require replacement after several months of use, while guide nozzles and filters require inspection based on actual wear and contamination. Working fluid and ion-exchange materials must be maintained to protect cutting stability. The economic benefit of multi-pass cutting should be evaluated against the value of improved surface finish and reduced secondary operations. In mold manufacturing, avoiding extensive manual finishing can provide substantial savings in labor and lead time. For export customers, spare-parts availability and technical support also affect lifecycle cost. The manufacturer offers remote support and rapid dispatch options for critical parts, which can help reduce downtime when a replacement component is needed. 14. Recommended Model Selection within the Product Family The DK45BC is part of a related family of medium-speed machines. Model selection should be based primarily on workpiece size, thickness, weight, production volume, and future capacity requirements. ModelX/Y TravelMaximum ThicknessMaximum LoadTypical Application DK35BC350 × 450 mm450 mm300 kgSmall-to-medium precision components and small molds DK45BC450 × 600 mm450 mm400 kgMedium molds, automotive tooling, and heavy mechanical parts DK50BC500 × 700 mm650 mm600 kgLarge molds and thicker, heavier workpieces DK60BC600 × 800 mm800 mm800 kgExtra-large molds and heavy industrial components The DK35BC may be more economical when workpieces are small and the production volume is limited. The DK45BC is appropriate when a larger table and 400 kg load rating are required without moving to the footprint and investment of the DK50BC or DK60BC. Customers who frequently process workpieces thicker than 400 mm should consider the DK50BC or DK60BC. Customers with especially large and heavy molds should also evaluate not only the load rating but the available table dimensions, processing tank clearance, lifting equipment, and workshop space. 15. Selecting the DK45BC for a Production Environment Before purchasing the machine, users should prepare representative sample drawings and provide information about material, thickness, workpiece weight, required tolerance, desired surface roughness, taper angle, annual production volume, and available floor space. A sample cutting test is recommended when the application involves special materials, large thicknesses, tight tolerances, or demanding surface requirements. The test can confirm cutting speed, wire stability, surface condition, dimensional accuracy, and the number of required passes. The buyer should also decide whether the standard stepper-drive configuration is sufficient or whether AC servo drives and linear scales are justified. For routine production with moderate tolerances, the standard configuration may provide an attractive balance of cost and capability. For higher repeatability requirements, feedback upgrades can provide additional process control. Application planning should include the entire production workflow. Workholding, crane capacity, water treatment, programming, inspection, part cleaning, and post-EDM finishing all influence the actual benefit of the machine. 16. Frequently Asked Questions Q1: What type of production is the DK45BC best suited for? The DK45BC is intended for medium-sized and relatively heavy workpieces, including molds, automotive tooling, mechanical components, and thick conductive parts. It is suitable for production that requires a larger worktable, a 400 kg load capacity, and the ability to combine productive rough cutting with finishing passes. Q2: What is the maximum workpiece thickness? The listed maximum cutting thickness is 450 mm. Actual results depend on material, workpiece geometry, flushing, wire condition, electrical parameters, and machine setup. For frequent cutting above 400 mm, a larger model may provide greater process margin. Q3: Can the machine cut hardened steel and carbide? Yes. Wire EDM is suitable for electrically conductive hard materials, including tool steel, stainless steel, cemented carbide, titanium alloys, copper alloys, and various heat-resistant alloys. The material must be conductive, and parameters should be selected according to its electrical and thermal behavior. Q4: What is the maximum worktable load? The maximum listed worktable load is 400 kg. The workpiece should be securely supported and positioned so that its weight is distributed appropriately. The loading method and center of gravity should be considered before machining. Q5: Does the DK45BC support taper cutting? Yes. The machine uses coordinated U and V axes and supports a listed maximum taper of approximately ±6° over 80 mm. Larger taper configurations may be available as an engineering option. Q6: What is the difference between the DK45BC and a high-speed wire EDM machine? The DK45BC is designed for medium-speed operation, adjustable wire-feed control, and multi-pass cutting. A basic high-speed machine is generally focused on economical single-pass rough cutting. The DK45BC is therefore more suitable when surface quality, finishing capability, and dimensional refinement are important. Q7: Can the machine be customized? Possible customization options include worktable travel, AC servo drives, linear scales, high-pressure flushing, control cabinet upgrades, automatic wire threading, large-taper wire frames, and specialized rotary functions. The final configuration should be reviewed by the manufacturer’s engineering team. Q8: What control system is supplied? The listed standard programming system is X8/AUTOCUT, with the ZHZK-03 control cabinet as standard and the ZHZ-09G available as an option. Buyers should confirm the precise software and hardware configuration in the quotation because control features can vary by package. Q9: Does the machine require a climate-controlled room? The machine is designed for general workshop use, but stable temperature improves precision. For demanding tolerances, temperature control, proper machine leveling, clean working fluid, and optional linear-scale feedback are recommended. Q10: How often should consumables be replaced? Replacement intervals depend on cutting hours, material, thickness, wire tension, flushing, and contamination. Guide wheels, guide nozzles, filters, dielectric fluid, and ion-exchange materials should be inspected regularly and replaced when wear or performance degradation is observed. Q11: What support is available after purchase? The manufacturer provides technical support, operating guidance, remote assistance, spare-parts service, and application advice. Support may include video communication, manuals, commissioning guidance, and recommendations for process parameters. Q12: How should a buyer compare the DK45BC with a larger model? Compare the largest expected workpiece dimensions, thickness, weight, required taper, production volume, available floor space, and future expansion plans. The DK45BC is suitable for medium-sized workpieces and loads up to 400 kg. The DK50BC or DK60BC is more appropriate when thicker, larger, or heavier parts are common. 17. Conclusion The DK45BC CNC Medium-Speed Wire EDM Machine provides a balanced solution for manufacturers that need more capacity and process flexibility than a compact wire-cut machine can offer. Its 450 × 600 mm X/Y travel, 650 × 926 mm worktable, 450 mm maximum cutting thickness, and 400 kg load rating make it suitable for a wide range of medium-sized molds, automotive tooling, mechanical components, and heavy conductive workpieces. Its key technical advantages include a rigid cast-iron structure, high-precision linear guides, adjustable wire-feed speed, four-axis X/Y/U/V linkage, taper cutting, multi-pass processing, X8/AUTOCUT control, and optional upgrades for servo drive, linear-scale feedback, high-pressure flushing, and automation. Compared with basic high-speed wire EDM machines, the DK45BC offers stronger finishing capability and greater process flexibility. Compared with premium imported systems, it provides a more accessible cost structure while retaining important functions for precision production. Its value is further supported by the manufacturer’s experience in wire-cut EDM, in-house development, factory testing, international service, and customization capability. For the best result, the machine should be selected according to actual part dimensions, material, thickness, load, tolerance, surface requirement, and production volume. When properly installed, programmed, maintained, and supported with suitable process parameters, the DK45BC can become a dependable platform for efficient and repeatable wire EDM production. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. DK45BC High-Medium-Speed Wire EDM Technical Specifications. 2. GB/T7926-2015. Accuracy Requirements and Inspection Methods for Wire-Cut Electrical Discharge Machines. 3. X8/AUTOCUT CNC Programming and Operation Information for Medium-Speed Wire EDM Systems. 4. Technical documentation for DK35BC, DK45BC, DK50BC, and DK60BC medium-speed wire EDM machines. 5. General engineering principles for wire electrical discharge machining, dielectric filtration, wire guidance, and multi-pass finishing. 6. Manufacturer-provided information concerning machine structure, control systems, customization, commissioning, maintenance, and international technical support. Product: DK45BC CNC Medium-Speed Wire EDM Machine (400kg Load) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-10-24
PS45C Heavy-Duty CNC Medium-Speed Wire-Cut EDM Machine: Precision, Capacity, and Production Efficiency
Modern mold manufacturers, precision engineering companies, and industrial component producers increasingly require wire-cut electrical discharge machining equipment that can combine dimensional accuracy, stable operation, high cutting efficiency, and the ability to process large and heavy workpieces. The PS45C heavy-duty CNC medium-speed wire-cut EDM machine is designed to meet these requirements through a combination of rigid mechanical construction, intelligent discharge control, constant-tension wire management, high-capacity workholding, and flexible automation options. As a medium-speed wire-cut EDM machine, the PS45C occupies an important position between compact equipment intended for small components and larger machines developed for very large or exceptionally heavy workpieces. Its worktable, load capacity, cutting thickness, and production performance make it suitable for medium-to-large molds, precision mechanical parts, aerospace components, and other applications where stable long-duration cutting is essential. The machine is manufactured by Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., a specialist enterprise with extensive experience in electrical discharge machining and wire-cutting technology. The company develops and produces several EDM product families, including medium-speed wire-cut machines, high-speed wire-cut machines, and large-taper wire-cut machines. Its manufacturing philosophy emphasizes precision, reliability, practical customization, and long-term service support. The PS45C is not simply a larger version of a standard wire-cut EDM machine. Its structure, wire-feeding system, control architecture, worktable capacity, and optional automation functions are coordinated to support heavy-duty production. The result is a machine designed to deliver repeatable machining quality under demanding workloads while helping manufacturers reduce manual intervention, energy consumption, rework, and total operating costs. PS45C Heavy-Duty CNC Medium Speed Wire Cut EDM Machine 1. Product Positioning and Core Capabilities The PS45C is a CNC medium-speed wire-cut EDM machine intended for precision machining of medium-to-large workpieces. It is especially suitable for applications requiring a combination of substantial cutting thickness, high workpiece weight, reliable dimensional control, and efficient production over extended operating cycles. The standard PS45C configuration provides an XY travel size of approximately 450 by 600 millimeters, a worktable measuring approximately 650 by 926 millimeters, and a maximum worktable load of 400 kilograms. The maximum cutting thickness is 280 millimeters. These specifications allow the machine to process workpieces considerably larger and heavier than those normally assigned to compact medium-speed wire-cut equipment. The machine uses four-axis linkage across the X, Y, U, and V axes. This configuration supports straight cutting as well as taper machining. The taper system uses dedicated U- and V-axis movement, linear guides, and ball-screw transmission to improve motion stability and positioning behavior during angled cutting operations. Under suitable machining conditions and with the appropriate control cabinet configuration, the maximum cutting efficiency can reach approximately 10,000 to 16,000 square millimeters per hour. Actual performance depends on workpiece material, thickness, cutting geometry, flushing conditions, electrode wire condition, electrical parameters, and the selected control system. The machine is capable of achieving processing accuracy of approximately 0.01 millimeter under specified test conditions. With multiple-cut strategies, the optimal surface roughness can reach Ra 1.2 micrometers or better. These capabilities make the PS45C suitable for both efficient rough cutting and subsequent finishing operations aimed at improving dimensional accuracy and surface quality. 2. Advantages Over Conventional Medium-Speed Wire-Cut Equipment Greater Workpiece Capacity One of the most significant advantages of the PS45C is its greater capacity compared with smaller medium-speed wire-cut EDM machines. Its 400-kilogram maximum worktable load provides additional flexibility when machining thick plates, large mold inserts, heavy punch components, and substantial mechanical parts. The larger worktable also improves fixture flexibility. Operators can mount larger blanks, use more substantial clamping arrangements, or position multiple smaller components within a single production setup. This can reduce the number of machine setups required for batch production and improve overall equipment utilization. Compared with the PS35C, the PS45C offers a larger working range and stronger load capacity. It is intended for medium-sized and larger components where the smaller machine may have insufficient table space or load capability. At the same time, it remains more compact and economical than equipment designed specifically for extremely large workpieces. Improved Heavy-Duty Stability Heavy workpieces create greater demands on the machine bed, guideways, worktable, drive system, and structural joints. The PS45C addresses these demands through a high-strength cast structure, a T-shaped bed design, aging treatment, precision guideways, and carefully matched mechanical components. The T-shaped bed allows the worktable to move within the supporting area of the base. This structure is intended to reduce unsupported overhang and minimize deformation during long-term use. A rigid bed helps maintain geometric accuracy when the machine operates under high loads or when a workpiece is repeatedly subjected to flushing, wire movement, and thermal changes. High-quality HT250 castings are used for the machine structure. Proper casting design provides mass, rigidity, and vibration resistance. The cast components undergo aging treatment to relieve internal stress before precision machining and assembly. This process helps reduce the risk of gradual deformation and supports longer-term stability of the machine tool. Stable Wire Tension During Cutting Wire tension has a direct influence on cutting accuracy, surface finish, wire vibration, and the risk of wire breakage. Traditional weight-based tension mechanisms may respond slowly when the wire tension changes during acceleration, deceleration, reversing, taper cutting, or changing cutting conditions. The PS45C uses an adaptive constant-tension wire tightening mechanism. The system is designed to sense changes in wire behavior and adjust tension dynamically. This helps keep the electrode wire in a more consistent working condition throughout the cutting process. Stable wire tension is particularly important when cutting thick workpieces. As cutting depth increases, flushing becomes more difficult and the wire is exposed to greater process instability. Dynamic tension control helps reduce wire vibration, taper deviation, striation, and dimensional variation. It is also valuable during taper cutting, where the wire must maintain controlled movement through a nonvertical path. Efficient Electrical Discharge Control The PS45C is equipped with a high-frequency pulse power supply designed to provide efficient electrical discharge machining while controlling electrode wear and surface quality. The power supply adjusts the discharge process according to factors such as material, thickness, gap conditions, and cutting stage. During rough cutting, the system can prioritize material removal and cutting speed. During finishing passes, it can use more refined discharge parameters to reduce surface roughness and improve dimensional consistency. This division between high-efficiency roughing and controlled finishing is central to a practical multi-cut production strategy. The pulse power system is also designed to reduce unnecessary energy consumption and electrode wire wear. Lower wire consumption can reduce consumable costs, while efficient energy use helps reduce operating expenses over the service life of the machine. The combination of optimized pulse control and stable wire tension supports reliable production without requiring excessive manual adjustment. Reliable Taper-Cutting Performance Many industrial parts require angled contours, draft angles, or tapered openings. The PS45C supports taper cutting through U- and V-axis movement. The taper mechanism uses precision transmission components, including linear guides and ball screws, to support stable movement and accurate positioning. The machine specification identifies a standard U- and V-axis travel arrangement of approximately 60 by 60 millimeters and a maximum cutting taper of approximately plus or minus 6 degrees over 80 millimeters. The actual taper capability may vary according to workpiece thickness, geometry, wire condition, and process parameters. Compared with taper systems based on less rigid or less precise mechanisms, the PS45C configuration provides better support for repeatable angular machining. This is useful in mold components, punch and die sets, sloped inserts, precision mechanical parts, and components requiring controlled sidewall geometry. 3. Mechanical Design and Manufacturing Quality High-Rigidity Machine Structure Machining accuracy depends not only on the control system but also on the mechanical foundation of the machine. A rigid structure reduces unwanted movement caused by vibration, wire reaction forces, table acceleration, and workpiece loading. The PS45C uses resin sand castings and a robust machine architecture to establish a stable foundation for precision movement. The casting process is important because the quality of the raw machine structure affects every later machining and assembly operation. A carefully designed casting must balance rigidity, weight distribution, vibration absorption, and accessibility for machining and maintenance. After casting, aging treatment helps release internal stresses that could otherwise lead to movement or distortion over time. Following casting and aging, the machine components are precision machined and inspected. Guideway surfaces, mounting faces, screw supports, and table reference points must be manufactured to controlled tolerances so that the final machine can maintain alignment across its operating range. Precision Guideways and Ball Screws The PS45C uses high-precision linear guides and ball screws in the primary motion system. Linear guideways provide smooth and controlled movement with low friction, while ball screws convert motor rotation into precise linear travel. These components contribute to repeatability, positioning accuracy, and stable performance during both rough and finishing cuts. The taper axes also use linear guides and ball screws. This is important because taper cutting requires coordinated movement between the main cutting axes and the upper wire guide. Any looseness, backlash, or irregular movement in the taper mechanism can directly affect the shape and accuracy of the finished part. Imported bearings, including Japanese EZO bearings, are used in the motion mechanisms. High-quality bearings help reduce rotational resistance, improve running smoothness, and support long-term mechanical reliability. Correct bearing installation, lubrication, preload, and inspection are also essential parts of the manufacturing process. Position Monitoring and Accuracy Compensation The worktable is equipped with a grating scale for real-time full-stroke position monitoring. This provides the control system with feedback on actual table position rather than relying only on motor rotation or calculated movement. Feedback-based control helps detect and correct deviations during operation. Pitch error compensation is incorporated into the machine’s precision control approach. Even high-quality screws and guideways can contain small pitch variations across their travel range. Compensation data can be used by the CNC system to reduce the impact of these errors and improve dimensional consistency over the entire working area. The use of servo systems is available as an option for the XY axes. Compared with basic stepper drives, AC servo drives can provide faster response, improved feedback, and better performance during complex or rapidly changing motion. Servo control is particularly useful for high-volume production, multi-cut operations, and demanding contour work. 4. Wire-Feeding and Tension-Control Technology High-Speed Wire Movement with Controlled Stability The PS45C uses a frequency-controlled wire-feed system with a wire-feed speed range of approximately 1 to 11 meters per second. This range allows operators to balance cutting efficiency, wire consumption, surface quality, and process stability according to the workpiece and machining stage. The wire storage length is approximately 320 meters under the specified configuration. A practical wire-feeding system must provide not only adequate speed but also stable transport, reliable reversing, controlled tension, and minimal vibration. Irregular wire movement can produce visible marks on the workpiece, affect accuracy, and increase the risk of wire breakage. Automatic Double-Sided Tightening The automatic double-sided tightening mechanism helps prevent one-sided loosening of the electrode wire. By maintaining balanced tension on both sides of the working zone, the system reduces wire vibration and supports more consistent machining behavior. This arrangement is especially useful during reversing operations and long cutting cycles. When the wire direction changes repeatedly, uneven tension can cause the wire to oscillate or deviate from the intended path. Double-sided tightening helps reduce this effect and contributes to more stable surface quality. Gemstone Guide Wheels The machine uses a waterproof gemstone guide wheel with an approximate diameter of 40 millimeters. The guide wheel is designed to provide accurate wire guidance, easy threading, and long service life. A high-quality guide wheel reduces unnecessary friction and helps maintain a consistent wire path. The liftable gem wire guide is another practical feature. It allows the wire guide to move closer to the workpiece surface during machining, reducing the free length of wire and limiting vibration. A shorter unsupported wire span can improve cutting accuracy and surface finish, particularly when processing thick workpieces or detailed contours. The adjustable guide arrangement also allows operators to change the cutting-height range without completely rethreading the wire. This reduces setup time and improves convenience when workpiece conditions change during production. Automatic Threading and Operator Safety One-touch motorized automatic threading simplifies the preparation of the machine for a new cutting operation. Automatic threading reduces manual labor, shortens setup time, and lowers the risk of operator contact with moving or tensioned wire. Automation at this level is valuable in production environments where the machine may process multiple workpieces per shift. It also helps standardize the threading procedure between operators, reducing differences caused by manual technique. 5. Intelligent Control and Production Management Industrial CNC Control The PS45C uses an industrial control computer and an X8 or AUTOCUT control system. The control architecture is intended for stable long-duration operation and practical production use. Industrial hardware is selected to withstand the operating conditions of a machine tool, including vibration, electrical noise, temperature variation, and continuous duty. The control system supports the generation and execution of G-code programs. It also provides interfaces such as LAN and USB for data exchange. These functions make it easier to transfer programs, manage machining data, back up files, and connect the EDM machine with broader production-management procedures. Programming functions are designed to simplify the preparation of wire-cut paths. Operators can define contours, offsets, taper conditions, cutting sequences, and multiple passes. Simplified programming reduces preparation time and helps limit errors when a job contains complex profiles or multiple finishing requirements. Servo Response and Multi-Cut Machining The use of imported AC servo systems, available according to configuration, improves the response of the machine during coordinated movement. Rapid feedback enables the control system to detect position changes and respond more accurately to programmed commands. Multi-cut machining is a major advantage of the PS45C. A typical process may begin with a high-efficiency rough cut that removes most of the material. Subsequent skim cuts then improve dimensional accuracy, sidewall quality, and surface roughness. This approach allows the machine to combine productivity with precision rather than forcing a compromise between the two. For stamping dies, carbide components, precision inserts, and high-tolerance molds, multi-cut machining can reduce the need for manual polishing or additional corrective work. The result may be shorter total production time, more consistent part quality, and improved fit between mating components. Control Cabinet Options The PS45C can be supplied with different control cabinet configurations. The selected control cabinet affects available cutting performance, processing efficiency, software functions, and production features. The stated maximum cutting efficiency of 10,000 to 16,000 square millimeters per hour is associated with the relevant control cabinet selection and actual process conditions. This configuration flexibility allows customers to choose a control level appropriate to their production requirements. A manufacturer producing occasional precision components may prioritize cost-effective control functions, while a high-volume mold producer may require faster processing, advanced automation, and more sophisticated cutting strategies. 6. Working Fluid, Filtration, and Thermal Stability High-Pressure Flushing Effective flushing is essential in wire EDM because the cutting process generates eroded particles inside the machining gap. If these particles are not removed efficiently, they can cause unstable discharges, secondary sparking, short circuits, slower cutting, and poor surface quality. The PS45C uses automatic tracking water spraying during the cutting process. The flushing system directs working fluid toward the cutting zone to support debris removal and maintain a clean discharge environment. High-pressure delivery is especially important when machining thick workpieces, deep profiles, and narrow or enclosed contours. Improved flushing helps the machine maintain cutting efficiency over long operations. It also supports better temperature control around the workpiece. Stable thermal conditions reduce dimensional changes caused by heat accumulation and help maintain consistent results between roughing and finishing passes. Filtration System The specified fluid tank capacity is approximately 80 liters, with paper-core filtration used to remove suspended particles from the working fluid. Effective filtration protects the pump, valves, nozzles, and discharge zone while helping maintain fluid quality. Filter maintenance is an important part of machine operation. Operators should monitor fluid cleanliness, replace filter elements at suitable intervals, check flow pressure, and keep the tank free from excessive sediment. Proper maintenance improves cutting stability and extends the service life of fluid-circulation components. Environmental and Energy Considerations The PS45C is designed around efficient electrical discharge and controlled working-fluid circulation. Optimized power use can reduce operating costs, particularly when the machine is used for extended production schedules. Lower wire consumption and reduced rework also contribute to improved overall resource efficiency. Although the machine is designed for industrial service, the installation environment remains important. For the highest accuracy, the machine should be installed in a relatively clean, low-vibration, temperature-controlled area. Stable ambient conditions help reduce thermal expansion and contraction of the machine structure and workpiece. 7. Application Areas Mold Manufacturing The PS45C is well suited to mold manufacturing because molds often combine thick materials, complex profiles, high dimensional requirements, and the need for excellent mating accuracy. The machine can cut mold inserts, core components, punch and die elements, guide components, and other precision features. Large or thick mold components benefit from the machine’s 280-millimeter maximum cutting thickness and 400-kilogram worktable load. The constant-tension wire system helps maintain cutting stability through thick sections, while multi-cut machining supports high-quality finishing. Precision Stamping Dies Stamping dies require accurate profiles, reliable clearances, and consistent surface quality. The PS45C can process hardened tool steels and other difficult materials that are challenging to machine using conventional cutting methods. Wire EDM does not apply direct mechanical cutting forces to the workpiece in the same way as milling or turning. This makes it suitable for delicate profiles, narrow slots, intricate contours, and hardened components. Multi-cut strategies can improve the fit between punch and die surfaces, helping manufacturers reduce trial-and-adjustment work. Heavy Machinery Components Heavy machinery manufacturers often produce parts with substantial dimensions and high material hardness. The PS45C provides a useful combination of worktable area, load capacity, cutting thickness, and structural rigidity for these applications. Potential workpieces include mechanical brackets, wear-resistant components, industrial tooling, large keyways, structural inserts, and custom machine elements. The machine’s stable table and rigid bed help maintain accuracy when heavy components are mounted and processed over long cycles. Aerospace Components Aerospace parts require high reliability, controlled dimensional accuracy, and careful processing of specialized materials. Wire EDM can be used for complex contours, precision slots, small internal features, and components made from hard or difficult-to-cut alloys. The PS45C’s controlled wire tension, feedback-based position monitoring, multi-cut capability, and stable discharge system support the production of components where repeatability is important. Aerospace users must still establish qualified process parameters and inspection procedures for each material and part specification. Medical and Precision Hardware The machine can also support the production of precision hardware, tooling, medical device components, and high-quality prototypes. Applications may require controlled surface finish, detailed shapes, and minimal distortion. The machine’s finishing capability and stable wire movement are beneficial in these cases. 8. Technical Specification Overview ParameterPS45C Specification Machine TypeCNC medium-speed wire-cut EDM machine Worktable SizeApproximately 650 × 926 millimeters XY TravelApproximately 450 × 600 millimeters Maximum Cutting Thickness280 millimeters Maximum Worktable Load400 kilograms UV TravelApproximately 60 × 60 millimeters Maximum Cutting TaperApproximately ±6 degrees per 80 millimeters Electrode Wire DiameterApproximately 0.18 millimeter with wire guide Wire Feed SpeedApproximately 1–11 meters per second, frequency controlled Maximum Wire Storage LengthApproximately 320 meters Fluid Tank CapacityApproximately 80 liters Filtration MethodPaper-core filter Processing AccuracyApproximately 0.01 millimeter under specified test conditions Maximum Cutting EfficiencyApproximately 10,000–16,000 square millimeters per hour Optimal Surface RoughnessRa ≤ 1.2 micrometers with multiple cutting Controlled AxesX, Y, U, and V four-axis linkage XY DriveStandard stepper drive; AC servo drive optional Taper DriveU/V stepper drive Programming SystemX8 or AUTOCUT control system Electrical CapacityApproximately 2.5 kVA Power SupplyThree-phase 380 V ±10 percent Approximate Machine Weight2,000 kilograms Approximate Machine Dimensions2,010 × 1,655 × 2,010 millimeters Specifications may vary according to the selected control cabinet, drive system, optional accessories, and customer configuration. Before ordering, users should confirm final machine dimensions, electrical requirements, installation conditions, maximum workpiece geometry, and automation functions with the manufacturer. 9. Manufacturing Strengths of the Equipment Supplier Long-Term EDM Specialization Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has specialized in electrical discharge wire cutting since 1999. The company’s POOSN brand was established in 2003, and its development has focused on practical EDM engineering, machine-tool production, process improvement, and customer support. Long-term specialization provides several advantages. EDM performance depends on the interaction of mechanical precision, pulse power, wire transport, fluid circulation, CNC control, and operator experience. A manufacturer dedicated to this field can develop deeper knowledge of these connected systems than a general machine-tool supplier with limited EDM experience. Integrated Product Development The company’s product portfolio includes PS-C and DK77-BC medium-speed wire-cut EDM machines, DK77-A and DK77-B high-speed wire-cut machines, and DK77-D large-taper wire-cut machines. This range indicates experience across different wire EDM requirements, including standard production, high-speed cutting, heavy workpieces, and large taper applications. Product development includes mechanical design, electrical control, wire-feed mechanisms, guide systems, power supply integration, and CNC programming functions. This integrated approach makes it possible to coordinate individual subsystems rather than treating the machine as a collection of unrelated purchased components. Factory and Quality-Control Capabilities The company operates its own manufacturing facility and uses advanced processing equipment and comprehensive testing methods. Machine tools undergo positioning accuracy testing before delivery. Inspection of this type is essential for verifying motion performance and ensuring that the machine meets its intended precision level. Manufacturing quality depends on more than final inspection. It also requires controlled casting, stress relief, precision machining, proper component assembly, electrical testing, software verification, and cutting trials. The PS45C’s design reflects this full manufacturing chain, from the HT250 casting and aging treatment to guideway installation, grating-scale feedback, and final performance validation. Technical Support and Customization The supplier offers professional technical support intended to maintain equipment stability over the long term. Support may include installation guidance, operating instruction, process recommendations, troubleshooting, maintenance advice, and assistance with application-specific configuration. Customization is available for customers with special production requirements. Possible areas include expanded worktables, increased cutting depth, upgraded control cabinets, automation integration, different wire-control arrangements, AC servo drives, and specialized cutting modes. Customization should be evaluated according to workpiece size, production volume, material, accuracy target, surface-finish requirement, and available factory space. 10. Recommended Production Workflow A successful PS45C application begins with accurate workpiece preparation. The workpiece should be securely clamped, correctly aligned, and supported so that internal stress or movement does not affect cutting accuracy. Heavy components should be loaded using suitable lifting equipment and fixtures rated for the required weight. The next stage is program preparation. The operator or programming engineer defines the contour, cutting direction, offsets, lead-in and lead-out positions, taper values, and number of cutting passes. For precision molds and dies, it is generally beneficial to plan a rough cut followed by one or more finishing cuts. Before cutting begins, the working fluid level, filter condition, pump operation, nozzle position, wire path, and guide-wheel condition should be checked. Proper alignment between the upper and lower guides is essential for stable machining. The automatic threading system can then be used to prepare the electrode wire. During rough cutting, the machine should be monitored for stable discharge, adequate flushing, normal wire tension, and appropriate cutting speed. If the workpiece is exceptionally thick or the profile restricts fluid flow, process parameters may need to be adjusted to avoid short circuits or reduced efficiency. After rough cutting, the part can be inspected before finishing passes are performed. This allows the operator to confirm that the workpiece remains securely mounted and that the rough profile is within the expected allowance. Finishing passes should use suitable electrical and motion parameters to achieve the required accuracy and surface roughness. At the end of the operation, operators should clean the work zone, inspect the wire guides, check the fluid condition, and record relevant production data. Preventive maintenance and accurate process records help maintain repeatability between batches. 11. Q&A Q1: What is the main difference between the PS45C and the PS35C? The PS45C provides a larger working range, a larger worktable, and a higher maximum load capacity. It is designed for medium-to-large parts and heavier production tasks. The PS35C is more suitable for smaller parts and small-to-medium batch production where compact dimensions and efficient precision cutting are the primary priorities. Q2: What is the maximum cutting thickness of the PS45C? The specified maximum cutting thickness is approximately 280 millimeters. Actual results depend on material type, workpiece geometry, flushing conditions, wire condition, electrical parameters, and the required accuracy and surface finish. Q3: Can the PS45C be used for high-volume production? Yes. The machine is designed to support production use through its high cutting efficiency, stable wire-feeding system, automatic threading, programmable multi-cut functions, and optional AC servo drives. Production performance depends on part geometry, material, loading method, programming strategy, and the selected control cabinet. Q4: What surface finish can the machine achieve? With multiple cutting and suitable process parameters, the stated optimal surface roughness can reach Ra 1.2 micrometers or better. The final result depends on workpiece material, thickness, electrical settings, wire stability, flushing, and the number of finishing passes. Q5: Is the PS45C suitable for taper cutting? Yes. The machine includes four-axis X, Y, U, and V linkage and a dedicated taper mechanism. The specified maximum taper is approximately ±6 degrees per 80 millimeters, subject to workpiece thickness, profile, wire conditions, and process requirements. Q6: How does constant-tension control improve machining? Constant-tension control reduces fluctuations in electrode wire tension during cutting. This helps limit wire vibration, improve dimensional consistency, reduce surface marks, and lower the possibility of wire breakage. The benefits are especially noticeable during thick-section machining, reversing operations, and taper cutting. Q7: Can the machine be integrated into an automated production line? Yes. The PS45C supports a degree of automation and can be configured with automatic threading, programmable control, data-transfer interfaces, and optional equipment integration. The precise automation scope should be defined according to the customer’s loading, unloading, inspection, and production-line requirements. Q8: What type of wire does the PS45C use? The stated configuration uses an electrode wire with an approximate diameter of 0.18 millimeter and a wire guide. Users should confirm the recommended wire specification, consumable requirements, and process parameters with the manufacturer for the selected machine configuration. Q9: What installation environment is recommended? A clean, low-vibration, temperature-controlled environment is recommended when high precision is required. The installation area should provide sufficient space for operation, maintenance, workpiece loading, fluid-system access, electrical connection, and safe material handling. Q10: How should the machine be maintained? Routine maintenance should include checking the wire guides, guide wheels, bearings, ball screws, linear guides, fluid level, filter condition, pumps, nozzles, electrical cabinet, and machine alignment. Operators should also remove accumulated debris, inspect the wire path, and follow the manufacturer’s recommended lubrication and replacement schedule. Q11: Which industries are most suitable for the PS45C? The machine is suitable for mold manufacturing, stamping-die production, precision machinery, heavy machinery components, aerospace parts, medical hardware, and other applications requiring accurate cutting of hard, thick, or complex materials. Q12: Which model should a customer choose for larger parts than the PS45C can handle? The PS50C and PS60C are designed for larger workpieces and higher load capacities. The PS50C provides a maximum load of approximately 600 kilograms, while the PS60C provides a maximum load of approximately 800 kilograms under the listed configurations. Customers should select the model based on workpiece size, weight, cutting thickness, production volume, and factory layout. 12. Conclusion The PS45C heavy-duty CNC medium-speed wire-cut EDM machine is designed for manufacturers that need more capacity and stability than a compact wire-cut machine can provide. Its 400-kilogram worktable load, 280-millimeter cutting thickness, expanded working range, four-axis taper capability, and cutting efficiency of up to approximately 16,000 square millimeters per hour make it a strong option for demanding industrial applications. Its competitive advantages are based on the coordinated design of multiple systems. The rigid HT250 casting and T-shaped bed provide a stable mechanical foundation. Linear guides, ball screws, grating-scale feedback, and optional AC servo drives support accurate motion. The adaptive constant-tension mechanism and double-sided tightening system help stabilize the electrode wire. The high-frequency pulse power supply, high-pressure flushing, and filtration system support efficient and consistent discharge machining. For customers, the value of the PS45C extends beyond its published specifications. A reliable EDM machine should maintain performance across long production cycles, reduce manual adjustment, support repeatable multi-cut processes, and allow future expansion through automation and control-system options. The PS45C is designed with these practical manufacturing objectives in mind. Backed by long-term specialization in EDM technology, in-house manufacturing capabilities, product testing, customization services, and technical support, Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. provides a complete equipment solution for precision wire-cutting applications. For mold makers, heavy machinery producers, aerospace suppliers, and precision-component manufacturers, the PS45C offers a balanced combination of capacity, accuracy, production efficiency, and long-term operating stability. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., PS45C Medium-Speed Wire-Cut EDM Machine Product Materials. 2. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., PS-C Series Medium-Speed Wire-Cut EDM Technical Specifications. 3. International Electrotechnical Commission, Electrical Discharge Machining Process and Equipment Terminology. 4. Society of Manufacturing Engineers, Wire Electrical Discharge Machining Principles and Applications. 5. Manufacturing Engineering Reference Materials, CNC Motion Control, Linear Guideways, and Ball-Screw Systems. 6. Precision Machining Reference Materials, EDM Pulse Control, Flushing, Electrode Wear, and Multi-Cut Processing. Product: PS45C Heavy-Duty CNC Medium Speed Wire Cut EDM Machine .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-10-16
DK-7745F CNC High-Speed Wire EDM Machine: Precision, Productivity, and Heavy-Duty Performance
In modern mold manufacturing, aerospace production, automotive engineering, and precision component processing, manufacturers need more than a basic cutting machine. They need equipment that can handle large workpieces, maintain dimensional accuracy over extended production cycles, reduce operating costs, and integrate smoothly into increasingly automated workshops. The DK-7745F CNC High-Speed Wire Electrical Discharge Machining machine is designed to meet these requirements through a combination of large working capacity, four-axis control, high-speed cutting performance, rigid mechanical construction, and flexible configuration options. The DK-7745F belongs to the high-speed WEDM product family and is positioned as a heavy-duty model for demanding industrial applications. Its published configuration provides an X-axis travel of 450 mm and a Y-axis travel of 650 mm, while the machine is frequently promoted for large-format cutting applications with a working envelope of approximately 500 × 700 mm depending on configuration and reference convention. It offers a maximum worktable load of 500 kg, a maximum cutting thickness of 450 mm, four-axis linkage, and a cutting efficiency of approximately 10,000–16,000 mm²/h when paired with the appropriate control cabinet and process conditions. These specifications make the machine particularly suitable for large precision molds, thick plates, heavy mechanical parts, aerospace components, automotive tooling, and complex conductive workpieces. More importantly, the DK-7745F is developed as a complete production solution rather than simply a wire-cutting platform. Its mechanical structure, control system, pulse power supply, wire-feeding mechanism, filtration system, and technical support are intended to work together as one stable machining system. 1. The Role of High-Speed Wire EDM in Precision Manufacturing Wire Electrical Discharge Machining removes material through controlled electrical discharges between a moving wire electrode and a conductive workpiece. Because the cutting process does not rely on direct mechanical contact, WEDM can process hardened steel, tool steel, copper, aluminum, tungsten carbide, and other conductive materials that may be difficult or expensive to machine using conventional cutting tools. The absence of direct cutting-force contact creates several important advantages. Thin sections are less likely to deform under tool pressure, intricate profiles can be produced without forcing a milling cutter into a narrow corner, and hardened materials can be cut after heat treatment. These characteristics make wire EDM valuable in mold production, stamping-die manufacturing, precision fixtures, medical components, aerospace parts, and high-value prototype work. However, not every wire-cut EDM machine provides the same level of production value. Cutting speed alone does not determine machine performance. A productive WEDM system must also maintain wire tension, control discharge energy, evacuate eroded particles, manage heat, preserve perpendicularity, and repeat the programmed geometry accurately. If any of these functions is unstable, the result may include wire breakage, rough surfaces, tapered cuts, dimensional drift, excessive rework, and higher consumable costs. The DK-7745F addresses these challenges through a coordinated design. Its four-axis system supports simultaneous movement of the X, Y, U, and V axes, allowing the upper and lower wire guides to move independently when taper cutting is required. Its pulse power system can adapt discharge parameters to workpiece thickness and material conditions. Its wire circulation and filtration system assist with debris removal and cooling. Its rigid bed and guideway arrangement provide a stable foundation for long-duration machining. 2. Product Positioning and Main Applications The DK-7745F is intended for manufacturers that require a larger work envelope and higher load capacity than those available from compact or general-purpose WEDM equipment. The machine is suitable for both individual complex parts and repeated production batches, making it useful for workshops that combine mold making, contract machining, maintenance work, and industrial component manufacturing. Typical applications include the production of large precision molds, inserts, punches, dies, aerospace structural components, automotive tooling, heavy machinery parts, precision mechanical elements, and components requiring complex internal profiles. The machine can also be incorporated into automated production lines where consistent positioning, repeatable cutting conditions, and reduced manual intervention are important. Its maximum worktable load of 500 kg is especially valuable for heavy workpieces. A high load rating allows production teams to use robust fixtures and mount large steel plates without operating close to the physical limits of the machine. It also provides greater flexibility when the workpiece includes a fixture base, clamping structure, or multiple parts arranged for batch processing. The DK-7745F can be used for through-cuts, internal profiles, narrow slots, complex contours, punches, dies, gear-like forms, and multi-pass finishing operations. Its four-axis linkage makes it possible to cut angled profiles and tapered surfaces within the machine’s specified taper range. According to the published technical data, the maximum cutting taper is approximately ±6° over 80 mm, subject to workpiece geometry, material, wire condition, flushing, and selected machining parameters. For businesses that process a wide variety of conductive materials, the machine’s flexibility is another important benefit. Steel, aluminum, copper, tungsten carbide, and other electrically conductive metals can be machined when suitable electrical and flushing parameters are selected. This material versatility helps manufacturers accept a broader range of orders without requiring separate specialized equipment for every material category. DK-7745F CNC High-Speed Wire EDM Machine (4-Axis, 500×700mm Travel) 3. Large Work Capacity for Heavy and Oversized Components One of the most significant advantages of the DK-7745F is its combination of travel range, table size, and load capacity. The published model table lists a worktable size of 570 × 950 mm and X/Y travel of 450 × 650 mm. These dimensions provide a practical machining area for large dies, mold plates, thick components, and workpieces with multiple features positioned across a broad surface. Large workpieces often create difficulties for smaller machines. Operators may need to reposition the part, split the cutting program, or use complex auxiliary fixtures. Each additional setup introduces the possibility of alignment errors, accumulated tolerance, and increased preparation time. A larger machine reduces the need for repositioning and allows more operations to be completed in one setup. The 500 kg maximum worktable load further supports heavy-duty production. It enables the use of strong fixtures and stable clamping methods, which are important for maintaining geometric accuracy during long cutting cycles. A secure workpiece is less likely to shift or vibrate, and a rigid setup helps the machine maintain cutting stability when the wire passes through thick material. Compared with compact high-speed WEDM machines, the DK-7745F offers greater capacity for large industrial components without moving into the extremely large floor space and investment requirements associated with the biggest specialized machines. This balance is valuable for medium-sized and large workshops that need a substantial working envelope but still want reasonable installation and operating efficiency. The machine’s robust capacity is also useful for batch production. A manufacturer can place several smaller workpieces on the table, arrange multiple parts for sequential cutting, or use a common fixture to process repeated components. This reduces loading and unloading frequency and helps improve machine utilization across a full shift. Published DK-77 Model Comparison SpecificationDK7725DK7735DK7745DK7745F Worktable Size410 × 600 mm500 × 750 mm570 × 850 mm570 × 950 mm X/Y Travel250 × 320 mm350 × 450 mm450 × 550 mm450 × 650 mm Maximum Cutting Thickness350 mm450 mm450 mm450 mm Maximum Worktable Load250 kg300 kg400 kg500 kg Machine Weight800 kg1,100 kg1,250 kg1,350 kg Machine Dimensions1,300 × 1,080 × 1,625 mm1,650 × 1,250 × 1,830 mm1,825 × 1,400 × 1,830 mm1,825 × 1,550 × 1,830 mm The comparison shows the progression from compact to heavy-duty configurations. The DK-7745F provides the largest table and travel range among the four listed models, as well as the highest worktable load. This makes it the logical choice when the production requirement extends beyond small and medium parts. 4. Four-Axis Linkage and Taper-Cutting Capability Four-axis linkage is a core feature of the DK-7745F. In addition to the primary X and Y table movements, the U and V axes control relative movement of the upper and lower wire guides. This arrangement allows the machine to produce tapered profiles rather than limiting the cut to a straight vertical wall. Taper cutting is essential for many molds, dies, punches, inserts, and mechanical components. A tapered profile may be required to support part release, create a specific functional angle, compensate for assembly conditions, or reproduce a three-dimensional contour. Without coordinated four-axis movement, these geometries may require additional machining operations or separate equipment. The maximum taper specification is listed as ±6° over 80 mm. Actual results depend on workpiece thickness, material, wire diameter, flushing conditions, guide condition, machine calibration, and the selected cutting strategy. Nevertheless, the ability to coordinate four axes in one programmed operation improves flexibility and reduces the need for secondary processing. The control system is designed to interpret complex geometric data and coordinate the axis movements required by the program. Compatibility with mainstream CAD/CAM-generated code allows the machine to fit into established engineering workflows. Production teams can design a profile digitally, generate the machining program, verify the tool path, and transfer the data to the machine with fewer manual geometry conversions. Four-axis control also contributes to improved consistency between parts. Once the program and process parameters have been validated, repeated workpieces can be produced with the same programmed geometry. This is especially valuable for mold inserts, matched die components, repeat production parts, and assemblies requiring interchangeable components. 5. High-Speed Cutting and Production Efficiency The DK-7745F is specified for a maximum cutting efficiency of approximately 10,000–16,000 mm²/h, depending on the selected control cabinet, workpiece material, thickness, wire condition, flushing, and machining strategy. This range positions the machine for high-throughput operations where cycle time has a direct impact on manufacturing cost. High-speed cutting is not merely a matter of increasing electrical power. Stable high-speed operation requires accurate synchronization between the pulse generator, wire movement, axis feed rate, flushing system, and control software. If feed rate is too high for the material or discharge condition, the wire may break or the cut may become unstable. If it is too low, productivity declines unnecessarily. The DK-7745F’s control architecture is intended to balance these variables. The pulse power supply can adjust discharge energy in response to workpiece thickness and material characteristics. This helps the machine maintain a stable spark gap and supports efficient material removal. A controlled discharge also reduces the risk of excessive heat concentration and surface damage. Higher productivity can reduce the cost per component in several ways. A shorter cutting cycle increases the number of parts that can be completed during a shift. It also reduces machine-hours assigned to each workpiece, which may lower labor allocation and energy consumption per part. In mass production, these improvements can have a significant effect on the overall manufacturing cost. The productivity advantage is particularly relevant when the machine is used for repeated profiles or automated production. Once the fixture, program, and parameters are established, the machine can process multiple parts with limited operator intervention. This allows skilled personnel to focus on programming, inspection, process optimization, and other high-value activities rather than continuous manual supervision. Productivity Factors That Influence Actual Results Published cutting efficiency is a reference value rather than a guaranteed result for every application. Actual performance is affected by material type, material thickness, electrical conductivity, workpiece height, wire diameter, wire speed, flushing pressure, required surface finish, corner geometry, and the number of finishing passes. For rough cutting, the priority is usually material removal rate. For finishing, the priority shifts toward dimensional accuracy, corner quality, surface roughness, and reduced recast effects. A production plan may therefore use a fast roughing pass followed by one or more finishing passes. The DK-7745F can be configured and programmed to support this balance between speed and quality. According to the provided technical information, the optimal surface roughness can reach Ra ≤ 2.5 μm under suitable conditions. Achieving this result depends on appropriate wire, workpiece preparation, flushing, electrical parameters, and maintenance of the guides and power system. 6. Mechanical Structure and Long-Term Precision Long-term precision begins with the machine structure. A wire EDM machine may operate for many hours while the wire repeatedly travels through the workpiece and the axes move according to complex trajectories. Any structural instability, thermal distortion, guideway wear, or foundation weakness can affect the final part. The DK-7745F uses a rigid steel and cast-iron structural design intended to resist deformation and vibration. The machine bed undergoes aging treatment to reduce internal stress and help preserve geometric stability during extended use. A rigid base supports the guideways, table, wire guides, and working tank, creating a stable reference structure for the machining system. Vibration control is particularly important during high-speed cutting. Small vibrations can influence the spark gap and lead to uneven discharge, poor surface finish, dimensional variation, or wire breakage. By optimizing the machine-bed layout and supporting components, the design aims to reduce the impact of process-generated vibration. Precision guide rails and ball screws support controlled axis movement. These components contribute to smooth travel, repeatable positioning, and accurate interpolation. Proper lubrication, cleaning, inspection, and adjustment remain essential, but a high-quality mechanical foundation gives maintenance personnel a stronger starting point for preserving accuracy. The stated machine accuracy standard is GB/T 7926-2015. Compliance with a recognized accuracy standard provides a framework for inspection and acceptance. For international buyers, it is also important to confirm the specific inspection documents, acceptance procedures, and accuracy tolerances applicable to the purchase contract. Machine weight is another indication of structural scale. The DK-7745F is listed at approximately 1,350 kg, providing a substantial base for its working envelope and load capacity. Correct installation on a suitable foundation remains necessary. The installation environment should be level, clean, temperature-controlled where possible, and protected from excessive vibration or contamination. 7. Intelligent Control and Operator Convenience A modern WEDM machine must be powerful without being unnecessarily difficult to operate. Complex control systems can create production delays if operators need extensive specialist training for routine tasks. The DK-7745F therefore emphasizes an intuitive graphical interface, parameter management, and practical control functions. The control system is designed to support the interpretation of complex geometric programs, axis coordination, cutting parameter selection, and process monitoring. A graphical operating environment helps operators understand machining status, axis position, program progress, and alarm information. This reduces dependence on manual calculations and makes routine setup more accessible. Parameter libraries can help standardize production. Once reliable settings have been developed for common materials and thicknesses, operators can recall approved parameters instead of creating every cutting condition from the beginning. Standardization improves consistency between shifts and reduces the risk of incorrect settings. The machine can support code generated by mainstream CAD/CAM software systems. This compatibility is important for companies that already use digital design and manufacturing processes. Engineers can prepare the profile in the software environment familiar to them, while operators can concentrate on workholding, wire threading, flushing, alignment, and process verification. Operational simplicity does not eliminate the need for training. Operators should understand wire EDM principles, workpiece conductivity, wire threading, flushing, machine zero positions, taper settings, alarm handling, and safe electrical operation. However, an intuitive system can shorten the learning curve and allow new personnel to become productive more quickly. Control Cabinet Options The standard configuration uses a ZH-K68 desktop control cabinet, while a ZHZK-03 vertical cabinet is available as an option. The choice may depend on workshop layout, operator position, visibility, available floor space, and integration requirements. Customers should confirm the final cabinet configuration during technical discussions because cabinet selection may influence available functions and the machine’s practical installation arrangement. 8. Pulse Power Technology and Electrical Stability The pulse power supply is one of the most important systems in any wire-cut EDM machine. It determines how electrical energy is delivered to the discharge gap and strongly influences cutting speed, surface quality, wire consumption, and process stability. The DK-7745F uses an optimized pulse power system capable of adjusting discharge energy for different workpiece thicknesses and material conditions. During rough cutting, stronger discharge conditions can support higher material removal. During finishing, controlled lower-energy pulses can reduce surface damage and improve surface quality. Automatic or semi-automatic adaptation is useful when workpiece thickness changes along the cutting path. A single fixed parameter may not be suitable for every section of a complex part. The ability to respond to changing conditions can reduce unstable discharge and maintain more consistent cutting performance. Electrical stability also contributes to wire life. Excessively aggressive discharge conditions can increase wire wear and the possibility of breakage. By balancing discharge energy with wire speed, flushing, and feed rate, the machine can help reduce unnecessary molybdenum wire consumption. Consumable savings are particularly important in high-volume production, where small reductions in per-part cost accumulate over time. The power system should be evaluated together with the wire-feeding and circulation systems. A strong pulse generator cannot deliver consistent results if wire tension fluctuates or eroded particles remain in the cutting gap. The DK-7745F’s design treats these systems as interconnected elements of the machining process. 9. Wire Feeding, Tension Control, and Flushing Wire movement is central to stable WEDM operation. The wire must travel at a controlled speed, maintain suitable tension, and pass accurately through the upper and lower guides. Uneven tension can affect kerf geometry, surface quality, taper accuracy, and the risk of wire breakage. The DK-7745F incorporates a balanced wire-feeding mechanism intended to maintain consistent tension during high-speed reciprocating motion. Stable tension helps the wire remain in the correct position relative to the workpiece and supports consistent electrical discharge conditions. Wire guides and related components must remain clean and correctly aligned. Contamination, wear, or incorrect adjustment can cause the wire to deviate from its intended path. Regular inspection of guide components, rollers, contact points, and threading paths is therefore an essential part of machine maintenance. The cooling, filtration, and circulation system assists in removing electrical erosion particles from the machining zone. These particles can interfere with the discharge gap and cause secondary discharges if they accumulate. Effective flushing improves debris evacuation, helps control heat, and supports stable machining conditions. Clean working fluid also contributes to precision. The filtration system should be monitored according to the manufacturer’s maintenance recommendations. Filters, pumps, seals, and fluid quality should be checked regularly, especially when the machine operates continuously or processes materials that generate significant erosion debris. Compared with a basic wire-cutting system with limited circulation control, an integrated wire and fluid-management design provides a stronger foundation for high-speed production. It can help reduce wire breakage, improve surface finish, and maintain more predictable cutting behavior over long production cycles. 10. Advantages Over Conventional and Lower-Capacity Alternatives The DK-7745F offers several advantages when compared with conventional low-capacity WEDM machines. The most obvious is its larger working capacity. A larger table and longer Y-axis travel allow manufacturers to process bigger components without splitting the job or making repeated setups. The second advantage is load capacity. A 500 kg worktable rating supports heavy workpieces and robust fixtures. Lower-capacity machines may require lighter parts, smaller fixtures, or more restrictive loading procedures. For heavy mold plates and industrial components, this difference can determine whether a job can be processed efficiently in one setup. The third advantage is four-axis functionality. Machines with only basic two-axis movement may be suitable for straight-wall profiles, but they are less flexible for tapered molds and complex angled contours. Four-axis linkage expands the range of geometries that can be produced directly. The fourth advantage is the combination of high-speed cutting and surface-finish capability. A machine designed for higher production speed can reduce cycle times, while controlled pulse energy and finishing parameters help preserve accuracy and surface quality. The result is a more balanced solution than equipment optimized only for rough cutting or only for small precision parts. The fifth advantage is the machine’s suitability for automation. Its digital control system, repeatable positioning, parameter libraries, and stable process architecture make it appropriate for connection to automated production lines. Automation can include part loading, palletized fixtures, production scheduling, process monitoring, and data collection, depending on the customer’s factory system. Compared with very large premium wire EDM machines from global brands, the DK-7745F may also provide a more accessible investment path for businesses that need substantial capacity but must control capital expenditure. The machine offers a practical balance between large-format capability, production speed, configurable controls, and manufacturing cost. Every machine selection should still be based on application trials, acceptance criteria, service availability, and the exact workpiece requirements. Competitive advantages are most valuable when they match the customer’s real production conditions. 11. Manufacturing Strengths and Quality Assurance The manufacturer behind the DK-7745F has specialized in electrical discharge wire cutting since 1999. Its POOSN brand was established in 2003, and the company later developed its own production facility after its formal establishment in 2017. This long involvement in wire EDM provides experience in machine structure, electrical discharge technology, application requirements, and customer support. The company maintains product lines covering medium-speed wire-cut EDM, high-speed wire-cut EDM, and large-taper wire-cut EDM. This range allows engineering knowledge gained from different machine categories to support product development across the portfolio. It also enables customers to select a model based on workpiece size, production volume, taper requirements, and budget. Advanced manufacturing strength is not limited to the final assembly stage. It includes material selection, casting and aging treatment, precision component processing, guideway installation, electrical cabinet assembly, software configuration, testing, and final inspection. Each of these processes influences the accuracy and reliability of the finished machine. The company reports advanced processing equipment, comprehensive testing methods, rational product design, and manufacturing according to national standards. Positioning accuracy testing is performed on each machine tool. This inspection process is important because the value of a WEDM machine depends not only on its nominal specification but also on whether the delivered unit performs consistently during actual cutting. Mechanical assembly requires careful alignment of the worktable, guide rails, ball screws, wire guides, and wire-feeding system. Electrical assembly requires secure connections, suitable cabinet layout, protection against contamination, and appropriate heat dissipation. Software and control parameters must be verified so that the operator interface, axis movement, pulse system, alarms, and auxiliary functions work correctly as a complete system. The company’s development history also includes a patent for a CNC machine tool with plate-type winding and suction-type adhesive technology in 2018. This indicates ongoing attention to specialized machine-tool innovation rather than relying exclusively on conventional designs. Quality and Production Process Overview Manufacturing StagePrimary ObjectiveCustomer Value Structural casting and agingReduce internal stress and improve rigidityBetter long-term geometric stability Precision guideway and screw installationEnsure smooth, repeatable axis travelImproved positioning and contour accuracy Electrical cabinet assemblyIntegrate power, control, and protection systemsStable operation and easier maintenance Wire-feeding system assemblyMaintain controlled wire speed and tensionLower risk of wire breakage and process variation Control-system configurationCoordinate four-axis movement and machining parametersAccessible programming and flexible production Positioning and performance testingVerify machine accuracy and operationGreater confidence at installation and acceptance Technical support preparationProvide manuals, guidance, and service responseFaster commissioning and reduced downtime 12. Installation, Commissioning, and Maintenance Correct installation is essential for obtaining the expected performance from the DK-7745F. Before delivery, the customer should prepare a suitable foundation, electrical supply, work area, lifting equipment, ventilation, and fluid-management arrangements. The listed power supply is 3N 380 V ±10%, but the exact electrical requirements should be confirmed before installation. The machine should be positioned away from severe vibration, direct heat sources, excessive dust, and uncontrolled temperature changes. Thermal variation can influence machine geometry and fluid conditions. A stable workshop environment helps the machine maintain repeatable performance, especially during precision finishing operations. Commissioning normally includes leveling, electrical connection, control-system inspection, wire threading, fluid filling, pump and filter checks, axis movement verification, origin confirmation, and test cutting. Operators should receive training in safe operation, program loading, workpiece alignment, wire threading, parameter selection, alarm response, and routine maintenance. Daily maintenance may include checking fluid level and quality, inspecting wire condition, cleaning the work zone, confirming guide and nozzle condition, removing accumulated debris, and reviewing alarm history. Periodic maintenance should address lubrication, filter replacement, pump inspection, electrical cabinet cleaning, guide alignment, ball-screw condition, and accuracy verification. Maintenance is not simply a cost. It protects production efficiency. A blocked filter, worn guide, unstable pump, or incorrect wire tension can increase cycle time and reduce part quality. Preventive maintenance helps detect these problems before they cause major downtime or damaged workpieces. 13. Energy Efficiency and Operating Cost Manufacturers increasingly evaluate machine tools according to total operating cost rather than purchase price alone. Energy consumption, consumables, maintenance, labor, downtime, and rework all influence the cost of ownership. The DK-7745F is designed with an optimized pulse power supply and energy-conscious electrical architecture. Efficient conversion of electrical energy into controlled discharge energy can support high cutting performance without unnecessary power loss. Reduced wire consumption also contributes to lower consumable costs. High productivity has an indirect energy benefit. If a part can be completed in fewer machine-hours, the energy used per finished component may decline even when the instantaneous cutting power remains similar. Faster production also reduces the factory space and scheduling capacity required for a given output level. Surface quality and dimensional stability influence cost in the same way. A part that is correct after the first machining cycle does not require repeated cutting, manual correction, or extensive inspection-based rework. Stable process control therefore supports both environmental and economic objectives. Energy performance depends on actual application conditions. Workpiece material, cutting thickness, number of passes, flushing, wire speed, and machine utilization all affect consumption. Customers should evaluate energy data under representative production conditions rather than relying only on general catalog values. 14. Customization and Technical Support Different industries require different combinations of working capacity, control functions, cabinet layout, automation, fixtures, software, and process parameters. The DK-7745F is offered with customization support so that the machine can be adapted to specific production requirements. Customization may involve the control cabinet, workholding arrangements, wire configuration, automation interface, special cutting processes, machine layout, or application-specific parameter development. Customers producing aerospace components may prioritize precision and process documentation, while mold manufacturers may prioritize taper accuracy, surface finish, and large workpiece handling. Technical support begins before the machine is ordered. Application information such as workpiece material, maximum dimensions, thickness, required tolerance, surface roughness, taper angle, annual production volume, and preferred CAD/CAM workflow should be reviewed during the selection process. This information allows the supplier to recommend a suitable configuration and identify any special requirements early. After delivery, technical support can include installation guidance, operator training, process assistance, troubleshooting, spare-parts coordination, and remote response. The company reports service coverage for customers in Southeast Asia, Europe, the Americas, and other international markets. Overseas customers should confirm local service arrangements, spare-parts lead times, language support, and warranty conditions during contract negotiations. Responsive support is especially important for WEDM because process issues may involve mechanical, electrical, software, and fluid-related causes. A supplier with product-specific knowledge can often diagnose problems more efficiently than a general machinery service provider. 15. Selecting the Right Model for Different Production Needs The DK-77 product family includes several models intended for different workpiece sizes and production requirements. The DK-7725 is suitable for small and medium components, precision mold work, and small-batch production. The DK-7735 provides a larger table for medium-sized components. The DK-7745 is intended for large parts and precision molds, including aerospace and automotive applications. The DK-7745F is the preferred choice when the workpiece is extra-large, heavy, thick, or geometrically complex. Its 500 kg load rating, 450 × 650 mm travel, 570 × 950 mm table, and four-axis functionality provide a higher level of capacity than the smaller models. For applications involving even larger components, the product family includes DK7755F, DK7763F, DK7780F, and DK77100F configurations. These models offer progressively larger tables, travel ranges, cutting thicknesses, load capacities, and machine dimensions. Customization options are available for the largest configurations, subject to technical review. Model selection should be based on the largest realistic workpiece, not only the average workpiece. Buyers should consider clamping margins, fixture dimensions, wire-access requirements, future product development, and space for loading. Selecting a machine with insufficient capacity can create recurring setup problems, while selecting an unnecessarily large machine can increase installation and operating costs. 16. Recommended Evaluation Criteria Before Purchase Before purchasing the DK-7745F, manufacturers should prepare representative test pieces and define measurable acceptance criteria. These may include cutting speed, dimensional accuracy, taper accuracy, surface roughness, wire consumption, repeatability, and maximum practical workpiece weight. The evaluation should include the customer’s actual materials and thicknesses. A machine that performs well on thin tool steel may require different settings for thick aluminum or tungsten carbide. Testing should also examine internal corners, narrow slots, small radii, large straight sections, and any difficult geometry that represents the customer’s real production needs. Other questions should include the available floor space, foundation requirements, power capacity, fluid handling, ambient temperature, operator skill level, CAD/CAM software compatibility, automation plans, and expected annual utilization. These factors influence whether the machine will achieve its intended return on investment. Customers should request documentation covering machine accuracy, inspection procedures, electrical specifications, included accessories, optional equipment, warranty terms, installation responsibilities, training scope, and spare-parts support. Clear technical documentation helps prevent misunderstandings and provides a reference for future maintenance. 17. Frequently Asked Questions Q1: What is the travel range of the DK-7745F? The published technical table lists an X-axis travel of 450 mm and a Y-axis travel of 650 mm. Marketing descriptions may refer to an approximate 500 × 700 mm travel class depending on the measurement convention or configuration. Buyers should confirm the final dimensional specification on the quotation and technical agreement. Q2: What is the maximum worktable load? The maximum worktable load is listed as 500 kg. The actual permissible load should also consider how the weight is distributed, the fixture design, the workpiece center of gravity, and the installation conditions. Q3: What cutting efficiency can the machine achieve? The specified maximum cutting efficiency is approximately 10,000–16,000 mm²/h when suitable control equipment and process conditions are used. Actual results vary with material, thickness, wire condition, flushing, required surface finish, and cutting strategy. Q4: Can the DK-7745F perform taper cutting? Yes. The machine uses X, Y, U, and V-axis stepper drives with four-axis linkage. Its listed maximum cutting taper is approximately ±6° over 80 mm, subject to the workpiece and process conditions. Q5: What materials can be processed? The machine is designed for conductive metals such as steel, aluminum, copper, and tungsten carbide. Cutting parameters must be selected according to the material’s conductivity, thickness, hardness, and required finish. Q6: What surface roughness can be achieved? The published optimal surface roughness is Ra ≤ 2.5 μm. Achieving this value depends on material, wire, electrical parameters, flushing, machine condition, and the number of finishing passes. Q7: Is the machine suitable for automated production? Yes. Its CNC control, repeatable positioning, parameter management, and digital program compatibility allow it to be connected with automated production systems. The specific automation interface and loading solution should be designed according to the customer’s factory layout and part-handling requirements. Q8: Is the DK-7745F difficult to operate? The machine is designed with an intuitive graphical interface and intelligent control functions intended to simplify operation. Operators still require training in WEDM principles, workholding, wire threading, programming, safety, and maintenance. Q9: Which control cabinets are available? The standard option is the ZH-K68 desktop cabinet. A ZHZK-03 vertical cabinet is also available as an option. The final selection should be confirmed according to workshop layout and required functions. Q10: How does the machine maintain precision during long production cycles? Precision is supported by the rigid bed, aging-treated structure, precision guideways, ball screws, controlled wire tension, stable pulse power, flushing, and inspection procedures. Regular maintenance and a suitable installation environment are also essential. Q11: What industries commonly use this machine? Typical industries include mold manufacturing, aerospace, automotive, heavy machinery, precision mechanical production, tooling, die making, and high-volume industrial component processing. Q12: Can the manufacturer provide customized solutions? Yes. Customization and technical support are available for different production requirements. Potential customization areas include control cabinet selection, process parameters, fixtures, automation interfaces, machine configuration, and application-specific machining solutions. 18. Conclusion The DK-7745F CNC High-Speed Wire EDM Machine is designed for manufacturers that need more than basic profile cutting. Its large worktable, 450 × 650 mm published X/Y travel, 500 kg load capacity, 450 mm maximum cutting thickness, four-axis linkage, high-speed cutting capability, and flexible taper performance make it a strong solution for large and demanding conductive workpieces. Its competitive value comes from the combination of capacity and process control. The machine is not only larger than compact WEDM equipment; it also integrates a rigid aging-treated structure, precision guideways, intelligent CNC control, optimized pulse power, balanced wire feeding, and cooling and filtration systems. These elements work together to improve production efficiency, cutting stability, surface finish, and long-term reliability. The manufacturing organization supporting the machine contributes additional value through long-term specialization in EDM technology, a broad product range, testing procedures, customization services, and international technical support. For buyers evaluating equipment based on total production value, these capabilities are as important as the headline specifications. When correctly installed, programmed, maintained, and matched to the application, the DK-7745F can help manufacturers process larger workpieces, reduce setup frequency, improve production throughput, control consumable costs, and expand their ability to produce complex precision parts. It is therefore well suited to companies seeking a practical high-capacity WEDM platform for modern mold production and industrial manufacturing. References 1. Product technical specification sheet for the DK-7745F CNC High-Speed Wire EDM Machine. 2. DK-77 series model comparison data covering worktable size, axis travel, cutting thickness, load capacity, machine weight, and dimensions. 3. GB/T 7926-2015, Accuracy of Wire-Cut Electrical Discharge Machines. 4. General principles of Wire Electrical Discharge Machining, including pulse discharge, wire tension, flushing, filtration, and taper cutting. 5. Manufacturer-provided information on electrical discharge machining equipment, production capabilities, quality testing, customization, and technical support. Product: DK-7745F CNC High-Speed Wire EDM Machine (4-Axis, 500×700mm Travel) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-10-12
DK35BC CNC Medium-Speed Wire EDM Machine: Precision, Productivity, and Manufacturing Value
The DK35BC CNC medium-speed wire electrical discharge machining machine is designed for manufacturers that require a practical balance between precision, cutting efficiency, operating stability, and manageable investment. With an X-axis travel of 350 mm, a Y-axis travel of 450 mm, and a maximum cutting thickness of 450 mm, the machine is positioned for small and medium-sized molds, precision mechanical parts, electrodes, dies, and other electrically conductive workpieces. Unlike a basic high-speed wire-cut machine intended mainly for rough cutting, the DK35BC combines medium-speed wire-cut technology, linear guide support, multi-pass machining, taper cutting, programmable control, and a compact structural design. It is therefore suitable for workshops that need more than simple material removal but do not necessarily require the high acquisition and operating costs associated with premium low-speed wire EDM equipment. The machine is manufactured by Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., a specialist producer with experience in electrical discharge wire cutting since 1999. Through its POOSN product development history, the company has built capabilities in machine-tool design, mechanical processing, electrical control, precision testing, assembly, and after-sales support. The DK35BC reflects this manufacturing background through its reinforced machine bed, controlled wire transport, high-pressure flushing options, multi-stage fluid circulation, and configurable CNC system. For customers comparing medium-speed WEDM, high-speed WEDM, and low-speed WEDM technologies, the DK35BC occupies an important middle position. It offers faster and more economical production than many traditional precision wire EDM solutions, while its multiple-cut capability and guide-rail configuration provide higher finishing potential than a conventional rough-cutting machine. 1. Product Positioning and Main Applications The DK35BC is intended for small-to-medium workpieces and production environments where dimensional accuracy, repeatability, and overall cost control are equally important. Its travel range is large enough for many standard mold inserts, precision plates, punches, dies, electrodes, and mechanical components, while its compact footprint allows installation in workshops where floor space is limited. The machine uses electrical discharge erosion rather than conventional mechanical cutting. A continuously moving electrode wire removes electrically conductive material through controlled spark discharges. Because the process does not depend on the hardness of the workpiece in the same way as milling or drilling, the DK35BC can process hardened tool steels, stainless steels, carbide, copper alloys, titanium alloys, aluminum alloys, high-temperature alloys, and other conductive materials. Typical applications include precision mold manufacturing, stamping dies, injection mold components, mechanical parts, electronic components, medical-device parts, and special tooling. The equipment is also suitable for small-batch production, repair work, prototype development, and manufacturers that need to process complex profiles that are difficult to produce through conventional machining. In mold production, the DK35BC can be used for cavity inserts, punches, sliders, lifter components, precision templates, and electrode-related parts. In mechanical manufacturing, it can cut keyways, narrow slots, irregular contours, and hardened components after heat treatment. In the electronics and medical sectors, its non-contact cutting method helps reduce mechanical stress on small and delicate workpieces. The DK35BC is particularly valuable when a manufacturer needs a single machine to perform rough cutting, semi-finishing, finishing, and selected taper operations. Its multi-cut process enables the operator to remove most material during the first pass and then reduce discharge energy during subsequent passes to improve surface quality and dimensional control. DK35BC CNC Medium-Speed Wire EDM Machine (350×450mm Travel) 2. Core Technical Specifications The DK35BC is the smallest model in the DK-BC family, which also includes the DK45BC, DK50BC, and DK60BC. Its configuration is optimized for smaller workpieces, while the larger models provide increased travel, load capacity, and cutting thickness for more demanding applications. SpecificationDK35BC X/Y axis travel350 × 450 mm Maximum cutting thickness450 mm Maximum worktable load300 kg Worktable sizeApproximately 500 × 750 mm Processing tank inner dimensionsApproximately 510 × 790 mm Taper U/V travel60 × 60 mm Standard maximum taperApproximately ±6 degrees per 80 mm Electrode wire diameter0.18 mm with guide device Wire speed1–11 m/s with frequency control Maximum wire storage lengthApproximately 350 m Maximum cutting efficiency10,000–16,000 mm²/h Best stated surface roughnessRa ≤ 2.5 μm NC-controlled axesX, Y, U, and V four-axis linkage Maximum processing current6 A Electrical capacity2.5 kVA Power supply3N 380 V ±10% Machine weightApproximately 1,200 kg Overall host dimensionsApproximately 1,650 × 1,345 × 1,830 mm The stated cutting efficiency of 10,000–16,000 mm²/h depends on the control cabinet, workpiece material, thickness, flushing conditions, wire condition, discharge parameters, and selected cutting strategy. The range should therefore be understood as a production reference rather than a guaranteed result for every application. Different technical materials supplied for the DK-BC series refer to positioning accuracy values of 0.005 mm and 0.002 mm. These figures may correspond to different configurations, test conditions, or product descriptions. The higher-performance configuration is described as capable of approximately 0.002 mm linear positioning accuracy, with optional glass-scale feedback for applications requiring tighter repeatability. Customers should confirm the applicable factory test standard and final machine configuration before purchase. 3. Medium-Speed Wire EDM Technology Medium-speed wire EDM uses a continuously moving wire electrode and controlled electrical discharges to erode the workpiece. The wire is generally reused through a reciprocating transport path rather than consumed in a single pass. This approach reduces wire consumption compared with single-use wire systems and contributes to lower running costs. The DK35BC uses a wire-feeding system with frequency-controlled speed from approximately 1 to 11 m/s. The wire transport mechanism is designed to maintain stable movement during acceleration, cutting, reversal, and continuous operation. Stable wire motion is essential because wire vibration, inconsistent tension, and contaminated guide components can influence straightness, surface marks, and dimensional accuracy. Medium-speed operation is especially useful for customers that need a compromise between productivity and finishing capability. A high-speed wire machine may deliver economical rough cutting, but its traditional configuration may be less suitable for multiple finishing passes. A premium low-speed wire machine can provide excellent surface quality, but its wire consumption, equipment cost, maintenance requirements, and process complexity may be higher. The DK35BC addresses this gap through a multi-pass strategy. The first pass can be used for efficient stock removal. Subsequent passes can use reduced discharge energy, adjusted wire speed, and corrected offsets to improve profile accuracy and surface condition. Depending on the material and machining parameters, the machine can support approximately one to five passes. For manufacturers producing precision molds or hardened tooling in moderate quantities, this combination can reduce the need to transfer the workpiece between rough-cutting and finishing equipment. It also simplifies production planning because the same machine can perform several stages of the wire-cut process. 4. Mechanical Structure and Manufacturing Quality Precision wire EDM depends not only on the controller and discharge power supply but also on the rigidity, thermal stability, and geometric accuracy of the machine structure. The DK35BC uses a reinforced cast-iron base and support structure. The machine body is designed to resist vibration during reciprocating wire movement, flushing, table travel, and prolonged cutting cycles. Natural aging treatment is used to reduce internal casting stress before final machining and assembly. According to the supplied manufacturing information, the cast-iron base undergoes an extended aging process intended to improve long-term dimensional stability. Stress relief is important because residual stress can gradually cause deformation, alignment changes, and loss of geometric accuracy in a machine tool. The mechanical components are processed using precision manufacturing equipment and inspected through positioning accuracy testing. The company states that its products are manufactured according to national standards and that every machine tool undergoes accuracy verification before delivery. Such testing is important for wire EDM because errors in axis movement, squareness, straightness, or taper-axis alignment can be transferred directly to the finished part. The DK-BC design uses high-precision linear guide rails as a standard feature. Compared with sliding guide systems commonly associated with basic high-speed wire machines, linear guides can provide smoother axis movement, lower friction, and more consistent positioning. They also support more predictable motion during long profiles and fine finishing passes. AC servo drives are available as an option for the X and Y axes, while the standard configuration uses stepper drives. The selected drive system should be matched to the customer’s production requirements. Stepper drives can provide a cost-effective solution for general production, whereas AC servo drives may be preferred for applications requiring enhanced dynamic response, feedback control, and higher positioning performance. The machine also incorporates a motorized Z-axis lift and four-axis linkage through X, Y, U, and V. The U and V axes control wire inclination for taper cutting. This configuration permits the machine to produce angled profiles, tapered punches, die reliefs, and other components in which the upper and lower contours are intentionally different. 5. Pulse Power, Wire Tension, and Discharge Stability The discharge power supply is one of the most important systems in a wire EDM machine. If the discharge energy is too high, the workpiece may develop excessive recast material, micro-cracks, rough surface texture, or unwanted wire wear. If the energy is too low, cutting efficiency may decline and unstable discharges may increase. The DK35BC uses a coordinated digital pulse power supply designed to control discharge energy within the machining gap. The objective is to maintain stable spark conditions while balancing removal rate, wire wear, flushing, and surface quality. This is particularly important during multiple cutting, where the power settings must change from aggressive roughing to controlled finishing. The machine’s optimized current control system is intended to reduce cutting errors and improve surface consistency. The maximum processing current is listed as 6 A, while total electrical capacity is approximately 2.5 kVA. Actual current selection depends on material type, workpiece thickness, flushing conditions, wire speed, and the selected machining program. Wire tension is another major factor in achieving verticality and profile accuracy. A wire that is too loose may deflect under discharge force, flushing pressure, or movement changes. A wire that is excessively tight may increase the load on guide components and raise the risk of wire breakage. The DK35BC incorporates a constant-tension control concept that adjusts the wire condition during feeding, reversing, and cutting. Stable tension is particularly valuable when processing thick workpieces. As thickness increases, the wire must remain aligned through a deeper cutting zone. Any deflection can produce taper errors, uneven upper and lower dimensions, or visible striations. The combination of reinforced support, linear guides, controlled tension, and flushing is designed to reduce these effects. The wire-guiding system uses guide wheels and guide devices suited to a 0.18 mm electrode wire. Waterproof guide-wheel construction and easy wire-threading features are available within the product configuration. Optional linear scales can provide direct axis feedback for customers who require improved repeatability or more advanced process control. 6. Flushing, Filtration, and Cooling Efficient flushing is essential to stable wire EDM. During cutting, the discharge process produces eroded particles that must be removed from the gap. If debris remains in the kerf, secondary discharges can occur, causing unstable cutting, wire breaks, poor surface quality, and dimensional errors. The DK35BC uses a circulating dielectric system with filtration and cooling functions. The machine can be equipped with a high-pressure water tank to improve upper and lower flushing, especially for thicker workpieces or deep cutting paths. Strong and balanced flushing helps remove debris while maintaining stable discharge conditions around the wire. Multi-stage filtration separates metal particles from the working fluid. Cleaner dielectric fluid supports more predictable conductivity and reduces the possibility of uncontrolled discharges. Filtration also protects pumps, valves, guide components, and other parts of the circulation system. Cooling is important because electrical discharge generates heat in the workpiece, wire, and dielectric fluid. Excessive temperature variation can influence machining dimensions and machine geometry. An independent cooling circuit for the dielectric tank is available within the DK-BC design concept, and temperature compensation is incorporated into the control approach. The machine is designed for general workshop environments, with a stated operating range of approximately 5–40°C. For the highest precision work, especially tolerances below approximately ±3 μm, a temperature-controlled room is recommended. Environmental control should also be considered when the workpiece is large, the cutting cycle is long, or the application requires close comparison between multiple parts. Fluid maintenance is a necessary part of machine ownership. Operators should monitor fluid cleanliness, conductivity, concentration, filtration performance, and tank temperature. The exact maintenance interval depends on working hours, material type, production volume, and local water quality. A planned maintenance program is more reliable than replacing fluid only after cutting quality has already declined. 7. Control System and Operator Usability The DK35BC is offered with the X8 and AUTOCUT programming control system, while the standard control cabinet is identified as ZHZK-03, with ZHZ-09G available as an option. Other control configurations may be available depending on the customer’s technical requirements and production market. A graphical programming interface can simplify the preparation of cutting paths. DXF or DWG files may be imported directly, reducing the need for manual code generation. Automatic edge finding and centering functions can help the operator establish the workpiece position more efficiently, particularly when processing repeated batches. Multi-pass programming is another important control function. The operator can define roughing, semi-finishing, and finishing stages, with separate discharge, speed, offset, and compensation parameters. This approach reduces manual intervention and makes production results more repeatable between operators. Real-time discharge monitoring can adjust feed rates in response to changing cutting conditions. If the gap becomes unstable or the risk of wire breakage increases, adaptive control can reduce the feed rate or modify the discharge response. USB and LAN connectivity support program transfer from engineering offices, CAM workstations, or production networks. The company states that operators with basic CNC experience can become familiar with the system within approximately three to five days, supported by an English operation manual and remote training. Training should cover workpiece setup, wire threading, parameter selection, taper programming, fluid maintenance, alarm handling, and inspection of finished components. Control-system selection should be confirmed before ordering because the supplied materials identify more than one controller and cabinet arrangement. Customers should request a complete configuration sheet specifying the exact software, communication interfaces, servo or stepper drives, automatic functions, language options, and available upgrade paths. 8. Taper Cutting Capability The DK35BC supports taper cutting through coordinated U and V axis movement. The standard taper device has approximately 60 × 60 mm of travel and a maximum cutting taper of about ±6 degrees per 80 mm, according to the main technical table. Other descriptions refer to approximately ±6 degrees per 100 mm, so the final permitted taper should be confirmed against the machine quotation and factory acceptance specification. Taper cutting allows the upper and lower portions of a workpiece to have different geometries. This is useful for stamping dies, extrusion tools, relief angles, ejector components, and parts that require controlled draft. The operator must account for material thickness, wire diameter, offset, flushing, and the desired angle when programming the process. For larger taper angles, an optional large-taper wire-frame configuration is available. The supplied information identifies possible angles up to approximately ±30 degrees under a DKD-style upgrade. Such applications require engineering review because the allowable angle depends on workpiece thickness, wire travel, guide clearance, machine structure, and the intended surface quality. Taper accuracy is affected by wire tension, guide alignment, U/V axis calibration, flushing pressure, and thermal conditions. A machine with a well-maintained wire path and properly calibrated taper axes is more likely to produce consistent upper and lower profiles. For critical tooling, customers should submit sample drawings or test pieces before finalizing the configuration. 9. Material Compatibility The DK35BC can process electrically conductive materials regardless of conventional hardness. This makes it suitable for hardened tool steels that may be difficult to mill economically after heat treatment. Common materials include D2, A2, H13, SKD11, stainless steels such as 304 and 316L, precipitation-hardening stainless steel, cemented carbide, titanium alloys, copper, brass, aluminum, Inconel, Hastelloy, PCD blanks, and CBN tool materials. Hardness itself does not prevent wire EDM cutting. Process behavior is influenced more strongly by electrical conductivity, melting characteristics, thickness, flushing, and discharge parameters. Materials with different conductivity require different power settings and feed rates. Aluminum, for example, may require special attention to flushing and workpiece preparation, while carbide may require controlled energy to limit surface damage. The controller can include parameter libraries for common material groups. These libraries provide a starting point, but they should not replace process verification. The final result depends on the actual alloy, heat treatment, thickness, surface condition, workholding method, dielectric condition, and required tolerance. When cutting materials with high residual stress, the operator should consider the possibility of movement after the contour is opened. Correct clamping, stress-relief practices, cutting sequence, and workpiece support can help prevent distortion. For thin or delicate parts, low-energy finishing passes and suitable support may be necessary. 10. Advantages Over Basic High-Speed Wire EDM The DK35BC provides several advantages over a basic high-speed wire EDM machine. Its linear guide configuration supports smoother table movement and improved long-term motion consistency compared with traditional sliding guide systems. Its multi-pass capability is also more appropriate for customers who require finishing rather than only rapid blanking. FeatureDK35BC Medium-Speed WEDMBasic High-Speed WEDM Typical guide systemLinear guide railsSliding guide rails commonly used Cutting approachRoughing plus multiple finishing passesPrimarily single-pass rough cutting Stated surface finish rangeApproximately Ra 0.8–2.5 μm depending on configurationApproximately Ra 1.6–2.5 μm in supplied comparison Multiple cutsSupported, generally one to five passesMore limited Wire consumptionLower through reciprocating wire useHigher in many operating conditions Typical applicationPrecision molds and finishing workRough cutting and high-volume blanking Taper cuttingSupported through U/V linkageConfiguration-dependent The comparison does not mean that high-speed WEDM is unsuitable. High-speed machines remain effective for economical rough cutting, general plates, and applications where surface quality is less demanding. However, manufacturers that need better finishing, improved trajectory control, or repeated finishing passes may find the DK35BC more suitable. 11. Comparison with Premium Low-Speed Wire EDM Premium low-speed wire EDM machines are recognized for high precision, excellent surface finish, automatic threading, advanced process control, and sophisticated thermal management. They are often selected for aerospace tooling, high-precision dies, medical components, and applications with demanding repeatability requirements. The DK35BC is not intended to replace every low-speed machine. Instead, it offers a more accessible solution for manufacturers that need strong performance without adopting the complete cost structure of a premium imported system. Its reciprocating wire system can reduce electrode-wire costs, while its medium-speed configuration supports practical production rates. The company’s supplied comparison indicates that DK-BC consumable costs may be approximately 60–70 percent lower than those associated with some imported brands. Actual savings depend on wire type, operating hours, local prices, maintenance practice, and production parameters. Nevertheless, the possibility of lower wire and guide-component costs can be significant for workshops that run the machine continuously. The DK35BC may also be easier to install and operate in a general workshop environment. It does not require the same level of climate control commonly associated with the most demanding premium systems, although temperature control remains advisable for micron-level work. For many mold and mechanical-part manufacturers, this balance between capability and infrastructure requirement can improve return on investment. Customers requiring sub-micron repeatability, automatic wire threading, advanced closed-loop control, or very high-end aerospace qualification should evaluate the optional glass scales, automatic wire-threading system, enhanced controller, and factory test results. The correct comparison should be based on the complete production requirement rather than purchase price alone. 12. Manufacturing Process and Company Strengths Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. specializes in electrical discharge machining, special processing technologies, and related equipment. Its manufacturing activities include research and development, structural design, mechanical processing, electrical integration, machine assembly, calibration, test cutting, and technical support. The company’s experience in wire cutting began in 1999, while the POOSN brand originated in 2003. In 2007, cooperation with Bingfeng CNC supported expansion in the southern market. The company was recognized as an Advanced Unit for Quality and Reputation in 2009. In 2017, Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. was established with registered capital of 60 million yuan and its own factory. In 2018, the company obtained a patent related to a fully automatic CNC machine tool using plate-type winding and suction-type adhesive technology. In 2021, it was recognized as a High-Tech Enterprise in Taizhou. These milestones indicate a continuing focus on product development, process improvement, and specialized wire-cutting technology. The company reports that it has advanced processing equipment and comprehensive testing methods. Every machine tool undergoes positioning accuracy testing, and the DK35BC is shipped assembled, calibrated, and test-cut at the factory. This reduces the amount of mechanical reassembly required at the customer’s site. After arrival, installation generally focuses on leveling, power connection, fluid preparation, and final commissioning. Manufacturing quality is supported by the interaction of several processes: stress-relieved castings, precision machining of guide surfaces, careful alignment of the table and wire frame, electrical-system testing, wire-path inspection, and functional cutting tests. A wire EDM machine cannot achieve reliable accuracy if any one of these processes is neglected. The company’s product range includes PS-C medium-speed wire EDM machines, DK-BC high-medium-speed models, DK-77 high-speed machines, and DKD large-taper wire EDM equipment. This broader product portfolio allows customers to choose a machine based on workpiece size, taper requirement, production rate, finishing quality, and budget. 13. Model Selection Within the DK-BC Series The DK35BC is recommended for small precision parts, dies, electrodes, and small-to-medium molds. Its 350 × 450 mm travel and approximately 300 kg load capacity make it appropriate for compact workpieces and small-batch production. The DK45BC provides approximately 450 × 600 mm travel and a 400 kg load capacity. It is suitable for medium molds, automotive tooling, and mechanical components that exceed the working range of the DK35BC. The DK50BC offers approximately 500 × 700 mm travel, up to 650 mm cutting thickness, and approximately 600 kg load capacity. It is intended for larger molds and thicker workpieces. The DK60BC provides approximately 600 × 800 mm travel, up to 800 mm cutting thickness, and approximately 800 kg load capacity. It is designed for oversized molds, heavy industrial parts, and demanding applications in sectors such as aerospace tooling and large-scale die production. ModelX/Y travelMaximum cutting thicknessMaximum loadTypical application DK35BC350 × 450 mm450 mm300 kgSmall precision parts, dies, electrodes DK45BC450 × 600 mm450 mm400 kgMedium molds and automotive tooling DK50BC500 × 700 mm650 mm600 kgLarge molds and thick workpieces DK60BC600 × 800 mm800 mm800 kgOversized molds and heavy industrial parts If the workpiece frequently exceeds 400 mm in thickness, the DK50BC or DK60BC should be considered. If the workpiece dimensions remain within the DK35BC envelope and the required load is moderate, choosing the smaller machine can reduce floor-space requirements and initial investment. 14. Installation, Maintenance, and Operating Costs The DK35BC requires a stable foundation, suitable electrical supply, clean working fluid, and adequate space around the machine for operation and maintenance. The listed power supply is 3N 380 V ±10 percent. Customers should verify local electrical standards, grounding, transformer requirements, and installation regulations before delivery. The machine’s approximate weight is 1,200 kg. Floor loading, access routes, lifting equipment, door dimensions, and workshop layout should be reviewed in advance. A suitable space is also needed for the control cabinet, fluid tank, wire storage, consumables, and operator access. Routine maintenance includes cleaning the worktable and tank, checking filters, inspecting guide wheels and guide nozzles, monitoring dielectric condition, lubricating specified components, checking wire tension, and removing deposits from the wire-guiding assembly. Operators should also inspect electrical connections, pumps, hoses, seals, and protective covers. Indicative consumable information identifies a 0.18 mm molybdenum wire lifespan of approximately 40–80 continuous hours, guide-wheel replacement at approximately six to twelve months, guide-nozzle replacement at approximately three to six months, dielectric-fluid replacement every two to three months, and ion-exchange resin replacement approximately every three to six months. These figures are estimates and vary according to production intensity and maintenance quality. Consumable cost is only one part of total operating cost. Electricity, labor, fluid treatment, filters, spare parts, downtime, calibration, and preventive maintenance must also be included in a proper cost calculation. The DK35BC can nevertheless support cost-efficient production through reusable wire, moderate electrical capacity, standardized components, and available remote technical support. 15. Quality Assurance and After-Sales Support The company provides a stated twelve-month warranty from the date of shipment. Critical spare parts can be dispatched by express courier, with a stated target of dispatch within twenty-four hours when available. Free lifetime technical support is offered through remote communication channels such as WhatsApp and WeChat video calls. Remote support can assist with software settings, alarm diagnosis, parameter selection, wire threading, fluid-system checks, and routine maintenance. For more complex problems, customers should provide photographs, alarm codes, program files, cutting samples, and machine operating data so that the technical team can identify the likely cause more efficiently. Before shipment, the machine is described as fully assembled, calibrated, and test-cut. Buyers should request documentation including the factory inspection report, dimensional accuracy results, electrical test records, packing list, operation manual, maintenance schedule, and recommended spare-parts list. For export customers, available certification packages may include CE or UL-related options. Certification requirements depend on the destination country, voltage system, safety regulations, and customer procurement rules. These requirements should be confirmed at the quotation stage rather than after production has begun. 16. Ordering and Customization Options The DK35BC can be customized for specific production requirements. Available options may include AC servo drives for the X and Y axes, linear-scale feedback, high-pressure water tanks, automatic wire threading, upgraded CNC systems, extended travel, large-taper wire frames, rotary tables, and certification packages. A C-axis rotary table can support specialized cylindrical or spiral cutting applications, while automatic wire threading can reduce operator intervention in multi-cavity or unattended production. Closed-loop glass scales may be selected where repeatability and direct position feedback are more important than minimum purchase cost. Customization affects price, delivery time, installation, training, and maintenance. Standard models are stated to have a lead time of approximately fifteen to twenty-five days, while custom configurations may add approximately ten to fifteen days. The final schedule depends on component availability, configuration complexity, inspection requirements, and shipping arrangements. Before placing an order, customers should provide the largest and smallest workpiece dimensions, maximum thickness, material types, required tolerance, surface-finish target, taper angle, production volume, preferred file formats, power standard, workshop temperature, and desired automation functions. A sample drawing or test workpiece can help the engineering team recommend the correct configuration. 17. Shipping and Delivery The DK35BC can be shipped by sea freight in full-container or less-than-container-load arrangements. Typical sea transit is approximately twenty-five to forty-five days for full-container delivery and thirty to fifty days for less-than-container-load shipment, depending on the destination and port schedule. Rail freight may be suitable for Central Asia, Russia, and parts of Eastern Europe, with a typical transit range of approximately twenty-five to thirty-five days. Actual delivery time depends on production completion, export documentation, port handling, customs clearance, inland transport, and local delivery conditions. The machine should be packed to protect the cast-iron structure, control cabinet, wire path, fluid system, and precision components. Customers should inspect the packaging upon arrival and record any visible damage before unloading. After positioning, the machine should be leveled, connected to the correct power supply, filled with the approved dielectric fluid, and commissioned according to the installation instructions. 18. Q&A: Frequently Asked Questions Q1: What type of production is the DK35BC best suited for? The DK35BC is best suited for small-to-medium workpieces, precision molds, dies, electrodes, hardened mechanical components, and small-batch or medium-batch production. It is especially appropriate when the customer needs both efficient rough cutting and improved finishing through multiple passes. Q2: Can the DK35BC cut hardened steel? Yes. Wire EDM is suitable for electrically conductive hardened steels, including many tool steels used for molds and dies. Hardness does not prevent the electrical discharge process. Parameters should be adjusted according to material grade, thickness, conductivity, flushing, and the required finish. Q3: What is the maximum workpiece thickness? The DK35BC is listed with a maximum cutting thickness of 450 mm. The practical result depends on workpiece geometry, flushing access, wire condition, material, taper requirement, and the selected machining parameters. Q4: What surface finish can the machine achieve? The supplied specifications identify an optimal surface roughness of approximately Ra ≤ 2.5 μm, while the DK-BC comparison refers to a possible range of approximately Ra 0.8–1.2 μm under suitable finishing conditions. Actual surface quality depends on material, thickness, power settings, wire condition, fluid cleanliness, and the number of finishing passes. Q5: Does the DK35BC support multiple cutting passes? Yes. The machine supports multi-pass cutting, generally including roughing, semi-finishing, and finishing operations. Multiple passes reduce the recast layer and improve contour accuracy compared with a single aggressive cut. Q6: Can it produce tapered parts? Yes. The U and V axes provide four-axis linkage for taper cutting. The standard taper capability is approximately ±6 degrees per 80 mm according to the main specification, although another product description states ±6 degrees per 100 mm. The exact value should be confirmed for the purchased configuration. Larger angles may be possible with an optional large-taper frame. Q7: Which controller is supplied? The product information identifies the X8 and AUTOCUT programming control system, with ZHZK-03 listed as the standard control cabinet and ZHZ-09G as an option. Because configurations may vary, customers should confirm the controller, cabinet, software language, communication ports, and upgrade options on the final quotation. Q8: Is automatic wire threading available? Automatic wire threading is available as an optional customization for applications requiring reduced operator intervention, repeated cavity cutting, or more unattended operation. Standard machines may use manual wire threading with the supplied guide system. Q9: Does the machine need a climate-controlled room? The DK35BC is designed for general workshop environments of approximately 5–40°C. Temperature control is recommended for the highest precision work, especially when tolerances are below approximately ±3 μm or when long cutting cycles could create thermal variation. Q10: How does the DK35BC compare with a high-speed wire EDM? The DK35BC is designed for higher finishing capability, smoother linear-guide movement, and multi-pass cutting. A high-speed machine may be preferable for economical rough cutting and high-volume blanking where surface finish requirements are less demanding. Q11: How does it compare with a premium low-speed wire EDM? The DK35BC offers a more economical medium-speed approach, reusable wire operation, practical cutting efficiency, and optional precision upgrades. A premium low-speed machine may still be preferable for extremely tight tolerances, advanced automation, or applications requiring the highest level of surface finish and repeatability. Q12: What is the warranty period? The stated warranty is twelve months from the date of shipment. The supplier also provides remote technical support and can arrange express dispatch of critical spare parts when available. Q13: What information should be provided before requesting a quotation? Customers should provide workpiece dimensions, maximum thickness, weight, material, required tolerance, surface finish, taper angle, production volume, desired controller, electrical standard, automation requirements, and destination country. Sample drawings are strongly recommended for special or high-precision applications. 19. Conclusion The DK35BC CNC medium-speed wire EDM machine is a versatile production solution for manufacturers that require precision cutting, practical throughput, and controlled operating costs. Its 350 × 450 mm travel, 450 mm maximum cutting thickness, 300 kg worktable load, four-axis linkage, linear guide system, adjustable wire speed, and multi-pass capability make it suitable for a broad range of mold, die, tooling, mechanical, electronic, and medical-component applications. Its main advantage is balance. Compared with a basic high-speed WEDM, it provides stronger finishing potential and more advanced motion and control features. Compared with a premium low-speed WEDM, it offers a more accessible medium-speed architecture and potentially lower consumable costs. Linear guides, controlled wire tension, digital pulse management, filtration, cooling, taper capability, and optional feedback systems further strengthen its production value. The machine also benefits from the manufacturing experience of Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. The company’s long-term focus on wire-cut EDM, in-house product development, factory testing, accuracy verification, customization, and technical support provides a foundation for dependable equipment supply. For customers processing small and medium workpieces, the DK35BC can serve as a primary wire-cut machine or as part of a larger production line alongside high-speed roughing equipment and larger DK-BC models. With correct machine selection, disciplined fluid management, appropriate parameter development, and scheduled maintenance, it can support consistent production while helping manufacturers improve efficiency and reduce total processing cost. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. DK35BC CNC Medium-Speed Wire EDM Machine Product Specifications. 2. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. DK-BC Series Technical Configuration and Model Selection Information. 3. GB/T 7926-2015, Accuracy Requirements and Inspection Methods for Wire-Cut Electrical Discharge Machines. 4. Manufacturer-provided information on X8 and AUTOCUT programming control systems. 5. Manufacturer-provided information on wire transport, taper cutting, dielectric circulation, and multi-pass machining. 6. Manufacturer-provided comparison of DK-BC medium-speed and DK-77 high-speed wire EDM characteristics. 7. Manufacturer-provided maintenance, consumable, warranty, shipping, and technical-support information. Product: DK35BC CNC Medium-Speed Wire EDM Machine (350×450mm Travel) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-10-10
Heavy-Duty CNC Wire-Cut EDM for Large and Thick Workpieces
Modern manufacturing increasingly depends on machining systems that can combine accuracy, productivity, stability, and flexibility in a single platform. Large molds, aerospace components, heavy mechanical parts, precision tooling, and high-value industrial components often present a difficult combination of requirements: they may be large in size, thick in section, complex in shape, and subject to demanding dimensional and surface-finish standards. The PS50C heavy-duty CNC wire-cut electrical discharge machining machine is designed specifically for these applications. As a medium-speed wire-cut EDM machine, the PS50C occupies an important position between basic high-speed equipment and premium low-speed wire EDM systems. It is engineered to deliver large working capacity, thick-material cutting, controlled taper machining, repeatable positioning, and practical operating costs. Its design combines a rigid cast structure, high-precision linear motion components, a digital pulse power supply, advanced wire-tension management, four-axis linkage, and an intelligent control system. The result is a machining solution intended for manufacturers that need more than a compact wire-cut machine can provide. With an X-axis travel of 500 mm, a Y-axis travel of 700 mm, a maximum cutting thickness of 350 mm, and a worktable load capacity of up to 600 kg, the PS50C is suitable for large and heavy workpieces that can exceed the practical limits of many standard medium-speed machines. Its value is not limited to physical capacity. The machine is also configured for continuous production, multi-pass cutting, taper processing, high-speed material removal, and stable operation over extended periods. Through customization options, process support, and a manufacturing system built around quality control, the machine can be adapted to a wide range of industrial requirements. PS50C Heavy-Duty CNC Wire Cut EDM Machine for Large & Thick Workpieces 1. Product Positioning and Core Purpose The PS50C is a CNC medium-speed wire-cut EDM machine developed for large-scale and heavy-duty processing. It uses a continuously moving molybdenum electrode wire and controlled electrical discharges to remove material without direct mechanical contact. This process is especially valuable when machining hardened steels, complex profiles, narrow slots, internal contours, and components that would be difficult to process using conventional milling, sawing, or grinding. The machine is particularly suitable for workpieces that combine large dimensions with demanding geometry. A large mold insert, for example, may require an intricate profile, a high degree of dimensional accuracy, and a substantial cutting depth. Similarly, aerospace and heavy-equipment components may require complex contours in high-strength materials. The PS50C addresses these challenges through a larger work envelope, reinforced machine construction, and coordinated motion control. Unlike equipment designed mainly for small parts or light-duty production, the PS50C is built around load-bearing capacity and long-term stability. Its T-shaped bed, high-strength HT250 castings, linear guides, ball screws, and rigid worktable support help reduce deformation during machining. This is important because dimensional errors in wire EDM can originate not only from the control system, but also from frame movement, thermal changes, wire vibration, guide wear, and workpiece loading. The PS50C is therefore positioned as a practical solution for manufacturers that need to produce large components with consistent results while maintaining lower operating costs than many premium low-speed wire EDM systems. It can be used for single-piece production, small-batch manufacturing, medium-volume work, and selected mass-production applications. 2. Main Technical Capabilities The PS50C provides a 740 × 1060 mm worktable and an XY travel of 500 × 700 mm. Its processing slot is approximately 740 × 1150 mm, providing useful access for large workpieces and fixtures. The maximum cutting thickness is 350 mm, allowing the machine to process thick metal sections that are beyond the normal range of many compact wire-cut machines. The maximum worktable load is rated at 600 kg. This capacity gives manufacturers greater flexibility when machining heavy mold bases, large inserts, mechanical components, and high-density alloy parts. Proper workholding remains essential, but the high-rated table capacity provides a stronger foundation for demanding jobs. The standard taper system supports a maximum cutting taper of approximately ±6° over 80 mm. Taper machining is controlled through the U and V axes, allowing the upper and lower wire guides to follow coordinated paths. This capability is useful for mold components, sloped surfaces, punches, dies, and parts requiring non-parallel profiles. The machine uses four-axis linkage across the X, Y, U, and V axes. This arrangement allows the cutting path and taper geometry to be controlled together rather than treated as separate operations. The taper device is equipped with linear guide and ball-screw technology, helping improve movement smoothness and positioning repeatability. The wire system uses a nominal electrode wire diameter of Φ0.18 mm with a wire guide. Wire-feed speed can be adjusted from approximately 1 to 11 m/s through frequency control, while the maximum wire storage length is approximately 320 m. The wire drum travel is approximately 180 mm. These specifications support continuous reciprocating operation and help the machine adapt to different cutting conditions. The high-pressure water system has an approximately 80-liter fluid tank and uses a paper-core filtration method. Effective flushing and filtration are fundamental to wire EDM because machining debris must be removed from the discharge gap. Poor flushing can lead to unstable discharges, wire breakage, poor surface quality, and dimensional deviation. Under suitable test conditions, the PS50C can achieve a maximum cutting efficiency of approximately 10,000 to 16,000 mm² per hour. Actual productivity depends on workpiece material, thickness, flushing conditions, power settings, wire condition, required surface finish, and the selected control-cabinet configuration. For finishing operations, multi-cutting can achieve a surface roughness of approximately Ra ≤ 1.2 μm under appropriate conditions. Technical ItemPS50C Specification Worktable size740 × 1060 mm XY travel500 × 700 mm Processing slot size740 × 1150 mm Maximum cutting thickness350 mm Maximum worktable load600 kg Number of controlled axesX, Y, U, and V four-axis linkage Maximum cutting taperApproximately ±6°/80 mm Electrode wire diameterApproximately Φ0.18 mm with wire guide Wire-feed speedApproximately 1–11 m/s Maximum wire storage lengthApproximately 320 m Fluid tank capacityApproximately 80 L Maximum cutting efficiencyApproximately 10,000–16,000 mm²/h Multi-cut surface roughnessApproximately Ra ≤ 1.2 μm Machine weightApproximately 2,200 kg Machine dimensionsApproximately 2300 × 1865 × 2200 mm 3. Rigid Machine Construction for Long-Term Accuracy Machine rigidity is one of the most important factors in wire EDM performance. Although the cutting force in EDM is minimal compared with milling or turning, the wire itself is thin and sensitive to vibration. Even small structural movement, guide misalignment, or thermal deformation can affect the final profile, especially during thick-material cutting and multiple finishing passes. The PS50C uses high-quality HT250 castings and a T-shaped bed. The T-shaped structure is designed so that the worktable moves within the supporting base rather than extending beyond the main foundation in the manner of a conventional strip-shaped bed. This construction helps limit deformation and improves support for large workpieces. High-strength resin sand casting technology contributes to a stable machine skeleton. After casting, appropriate aging treatment is applied to reduce internal stress and preserve mechanical accuracy over time. This is especially important for heavy-duty machines because the frame must carry not only the workpiece but also the moving table, fixtures, fluid loads, and repetitive dynamic forces generated during wire movement. The machine structure is designed to support long operating cycles, including continuous production and extended unattended periods when the job and workshop conditions are appropriate. Consistent rigidity also improves repeatability when a part is processed through roughing, intermediate cutting, and finishing passes. Compared with lighter competing machines, the PS50C’s heavier frame and larger working platform provide a stronger basis for processing thick and high-density materials. A rigid structure cannot eliminate every source of error, but it reduces one of the most common causes of dimensional instability: uncontrolled mechanical movement. Precision Motion Components The worktable is equipped with high-precision linear guides and ball screws. These components provide controlled movement with lower friction and smoother travel than basic sliding arrangements. The machine also uses imported bearings in its motion mechanisms, supporting stable rotation and reducing the influence of bearing irregularities. The standard configuration includes grating scales for real-time full-stroke position monitoring. Direct position feedback helps the control system monitor actual table movement instead of relying only on motor rotation calculations. This is beneficial for large travel ranges, where small positioning errors can accumulate over the full stroke. Pitch-error compensation and coordinated servo control further support positioning precision. The machine may be supplied with standard XY stepper drives or optional AC servo drives, depending on the requested configuration. Servo drives are particularly suitable for applications that require improved dynamic response, smoother interpolation, and more demanding multi-pass accuracy. 4. Wire-Tension Control and Cutting Stability Wire tension has a direct influence on cutting accuracy, surface finish, and wire-breakage resistance. If the wire becomes too loose, vibration and deflection can increase. If tension fluctuates excessively, the wire may deviate from the programmed path or become more vulnerable to breakage during high-energy cutting. The PS50C can be equipped with an adaptive constant-tension wire-tightening mechanism. Unlike a simple weight-based system, an adaptive tension mechanism is designed to respond more effectively to changes in wire condition, cutting resistance, and reciprocating motion. By reducing tension variation, it helps maintain a more stable electrode path. Constant tension is particularly valuable during taper cutting. In a tapered operation, the upper and lower guide positions are not aligned in the same way as they are during straight cutting. The wire must remain stable while the U and V axes move in coordination. Maintaining dynamic tension during this process contributes to better profile control and more consistent surface quality. The automatic double-sided tightening mechanism is designed to reduce wire vibration and one-sided loosening. The waterproof gemstone guide wheel, approximately 40 mm in diameter and using a single-sided gemstone guide structure, supports smooth threading, long service life, and precise wire guidance. The liftable gemstone wire guide provides two practical advantages. First, the guide can be positioned close to the workpiece surface, reducing the unsupported length of wire and helping limit vibration. Second, the cutting-height range can be adjusted without completely rethreading the wire, which improves operator convenience and reduces setup time. These wire-management features give the PS50C an advantage over basic medium-speed machines that rely on simpler tensioning and guide arrangements. They do not replace correct operating parameters, but they create a more stable foundation for thick-section cutting, taper machining, and long-duration production. 5. Pulse Power Supply and Electrical Efficiency The quality of the pulse power supply is central to EDM performance. Each discharge removes a small amount of material from the workpiece, and the electrical energy must be controlled carefully. Excessive energy may increase cutting speed but can damage the surface, increase wire consumption, or create an unstable gap. Insufficient energy may improve surface quality but reduce productivity. The PS50C uses an advanced patented pulse power supply designed to balance material-removal efficiency, wire consumption, surface finish, and energy utilization. The system is intended to deliver high-speed processing while maintaining controlled discharge behavior and limiting unnecessary electrode wear. Digital discharge control can respond to gap conditions and adjust energy according to real-time machining feedback. This approach helps the machine maintain a more consistent discharge gap as the workpiece profile changes. It is particularly useful during thick-plate machining, where flushing conditions and debris concentration may vary significantly across the cutting zone. The current waveform is designed for smooth energy delivery. Controlled discharge behavior helps protect edge integrity and reduces the possibility of excessive recast material. During multi-pass cutting, lower-energy finishing pulses can be used to improve surface consistency and reduce the remaining recast layer. The power supply is also intended to reduce electrode-wire consumption. Lower wire consumption can contribute to reduced operating cost, especially in production environments where wire usage represents a significant consumable expense. High-efficiency electrical control may also reduce unnecessary power loss during machining and standby operation. Compared with conventional power supplies used on entry-level machines, the PS50C system provides more advanced control over discharge energy and process stability. Compared with expensive low-speed wire EDM systems, it offers a practical alternative for applications where high productivity, thick cutting, and manageable operating costs are more important than achieving the ultimate possible surface finish. 6. Intelligent CNC Control System The PS50C is equipped with an industrial control computer and X8 control system as standard, with CAXA CAM2019 or TCAM available as optional software configurations. The control architecture is intended for stable operation over extended periods and supports the programming, monitoring, and process-control requirements of industrial wire EDM. LAN and USB interfaces facilitate the transfer of machining programs and production data. These interfaces are useful when the machine is integrated into a workshop programming system or when operators need to load programs from external storage devices. A clear data-transfer process helps reduce manual transcription and supports better program management. The intelligent programming environment simplifies the generation of G-code programs. Operators can prepare machining paths for straight lines, arcs, internal contours, external contours, and taper profiles. Depending on the software configuration, the system can also support more advanced programming and CAM-assisted operations. Multi-axis coordination is essential for complex parts. The PS50C uses four-axis linkage to coordinate X, Y, U, and V movements. This arrangement enables the machine to control the upper and lower wire positions while following the programmed workpiece contour. The control system can also apply offset compensation and path adjustments to improve dimensional results during multiple cutting passes. The interface is designed to reduce the learning curve for operators. Although EDM process control involves specialized knowledge, a logical interface, process parameters, and repeatable setup procedures can help new users become productive more quickly. This reduces training time and limits the risk of incorrect manual input. A professionally configured industrial control system also supports long-term maintainability. Standardized hardware, accessible interfaces, and structured control functions make it easier for technicians to diagnose common issues, update programs, and preserve production records. 7. Automatic Threading and Operator Convenience Manual threading can be time-consuming, particularly when a large number of holes or internal features must be cut. The PS50C can be configured with one-touch automatic threading, which reduces manual labor and improves operational safety. The operator can initiate the threading cycle through the control system rather than performing every threading step manually. Automatic threading is especially valuable in multi-pass work and production environments. After a wire break, the system can help restore the wire path more efficiently, reducing machine downtime. The feature also makes the machine more accessible to operators who may have limited experience with manual threading procedures. The liftable wire guide further improves setup flexibility. Adjusting the guide position without rethreading the complete wire path can simplify workpiece loading and cutting-height adjustments. This is useful for workpieces with different thicknesses or irregular fixture arrangements. Automatic water spraying and controlled flushing support stable cutting. The water system directs dielectric fluid toward the cutting zone to remove debris and cool the machining area. Efficient fluid circulation helps maintain the discharge gap and protects the process against unstable arcing. The machine also uses a waterproof guide-wheel design and accessible maintenance areas. These details may appear small compared with the worktable or power supply, but they have a meaningful effect on daily production. Easy threading, convenient guide replacement, practical access, and reduced cleaning requirements can improve total equipment utilization. 8. Thick-Material Cutting Performance One of the defining strengths of the PS50C is its ability to cut materials up to approximately 350 mm thick. Thick cutting places greater demands on flushing, wire stability, discharge control, and thermal management. The longer cutting channel creates more opportunity for debris accumulation and wire deflection, so a machine designed for thick workpieces must provide more than a large Z-height. The PS50C addresses thick-section machining through a combination of high-pressure water flushing, a stable wire-feed system, controlled pulse energy, and rigid mechanical construction. The large cutting thickness capability makes the machine appropriate for heavy mold plates, large die components, thick steel sections, engineering parts, and other workpieces that cannot be processed efficiently on smaller machines. Thick cutting can be performed in stages. A high-energy roughing pass removes material efficiently, while subsequent passes use adjusted electrical parameters to improve profile accuracy and surface finish. This process allows manufacturers to balance speed and quality according to the purpose of the component. For production planning, it is important to distinguish maximum thickness from guaranteed production results in every material. Actual performance depends on the alloy, electrical conductivity, workpiece geometry, slot width, flushing path, required tolerance, and desired surface roughness. The rated 350 mm capacity represents the machine’s design capability, while process trials help establish the best parameters for a specific job. Compared with smaller medium-speed wire machines, the PS50C offers more practical capacity for thick components. Compared with conventional machining methods, wire EDM can process hardened materials without direct cutting forces and without requiring the same level of tool hardness. This makes it particularly useful for finished molds, hardened tool steels, and profiles that would be difficult to mill after heat treatment. 9. Large Workpiece Capacity and Heavy-Duty Production Large workpieces often create logistical difficulties before machining even begins. The machine must have sufficient table area, travel, load capacity, clearance, and structural stability. The PS50C is designed to address these requirements with a 740 × 1060 mm worktable, 500 × 700 mm XY travel, and 600 kg maximum table load. The large processing area allows manufacturers to reduce the need for repeated repositioning. Fewer setups can improve dimensional consistency because the workpiece remains in a known coordinate system for more of the operation. Reduced repositioning also lowers setup labor and the possibility of alignment errors. The worktable can accommodate larger fixtures and more substantial workholding arrangements. Correct support remains important, especially for thin sections, long parts, and workpieces with irregular geometry. However, the heavy-duty table and rigid bed provide a stronger platform for these applications than compact machines designed primarily for small components. Large workpiece capability is particularly important in aerospace component production, heavy equipment manufacturing, large mold production, and energy-related equipment. In these sectors, the workpiece value may be high and the cost of dimensional rework significant. Stable, predictable cutting can therefore contribute directly to improved production economics. 10. Taper Cutting and Complex Geometry Taper cutting enables the machine to produce profiles in which the upper and lower contours differ. This capability is required for many punches, dies, mold inserts, angled openings, tapered slots, and components with designed draft angles. Without coordinated U and V movement, these parts would require additional setups or alternative machining processes. The PS50C uses a taper device with linear guides and ball screws. This construction is intended to improve the smoothness and accuracy of U and V movement. The available CNC travel for the U and V axes is approximately 400 × 400 mm at ±30° and approximately 590 × 590 mm at ±45°, depending on the selected configuration and operating range. The taper system is integrated with the four-axis CNC control. During machining, the system coordinates the main table movement with upper and lower guide movement. This enables the wire to follow a controlled spatial path while cutting the programmed contour. Stable wire tension is especially important during taper cutting because the wire direction changes along the height of the workpiece. The adaptive tension mechanism, rigid guide arrangement, and coordinated servo or stepper control work together to reduce vibration and improve profile consistency. For manufacturers, taper capability can eliminate secondary operations. A component that might otherwise require milling, grinding, or multiple fixture orientations can often be produced more efficiently in one wire-cut setup. This can shorten production time and reduce the risk of cumulative alignment errors. 11. Surface Finish and Multi-Pass Machining Wire EDM normally uses multiple cutting passes when both productivity and surface quality are important. The first pass removes most of the material quickly. Additional passes gradually remove the recast layer, improve dimensional accuracy, and refine the surface. The PS50C is designed to support this production strategy. Its pulse power supply provides different energy conditions for roughing and finishing, while the CNC system manages offsets and path compensation. A controlled wire-feeding system helps maintain a consistent electrode position across the successive passes. Under appropriate conditions, the machine can achieve a multi-cut surface roughness of approximately Ra ≤ 1.2 μm. Actual results depend on the material, thickness, geometry, flushing, wire quality, cutting parameters, and the number of finishing passes. Nevertheless, this capability makes the machine suitable for many mold and precision-component applications. Multi-pass processing also improves dimensional control. Rough cutting can prioritize material removal, while finishing passes can correct small deviations and produce a more consistent final profile. A stable mechanical structure is important because the finishing pass follows the previously cut path and must remain accurately aligned with it. The PS50C’s control system can support offset compensation and process adjustments during multi-cutting. This helps maintain surface consistency from the first contour to the final finishing operation. For manufacturers producing repeat parts, saved programs and standardized parameter libraries can further improve consistency between production batches. 12. Advantages Over Conventional and Competing Equipment The PS50C provides several advantages when compared with basic high-speed wire-cut machines. Its working area and maximum cutting thickness are significantly more suitable for large and heavy workpieces. Its rigid frame, grating-scale feedback, advanced power supply, and optional servo drives also provide a stronger foundation for precision production. Compared with entry-level medium-speed machines, the PS50C offers more comprehensive process control. Features such as adaptive tension, automatic threading, four-axis linkage, linear guides on the taper unit, full-stroke position monitoring, and optional CAM software improve its ability to handle complex work. Compared with premium low-speed wire EDM systems, the PS50C offers a different balance of investment and performance. Low-speed machines may provide exceptional surface finish, automatic wire threading, and highly advanced process automation, but they can also involve higher purchase and operating costs. The PS50C is attractive to manufacturers that need high material-removal rates, large workpiece capacity, thick-section capability, and practical multi-pass accuracy. Another advantage is configuration flexibility. The machine can be supplied with different control-cabinet options, standard stepper drives, optional AC servo drives, automatic tension systems, and different programming packages. This allows customers to choose a specification that matches their production requirements instead of paying for functions that may not be needed. The PS50C also supports customization of the worktable, cutting depth, power configuration, and machining process. This is useful for customers whose workpieces fall outside standard production patterns. A customized machine can be designed around the actual component dimensions, loading method, production volume, and required process sequence. Evaluation AreaBasic High-Speed Wire EDMPS50C Medium-Speed Wire EDMPremium Low-Speed Wire EDM Large workpiece capacityOften limitedStrong, with large table and travelAvailable, depending on model Thick-material capabilityModerate to limitedUp to approximately 350 mmVaries by machine configuration Operating costGenerally economicalEconomical for heavy-duty productionGenerally higher Cutting efficiencyGood for standard workApproximately 10,000–16,000 mm²/h under suitable conditionsPrioritizes premium accuracy and finish Taper machiningMay be basic or optionalIntegrated U/V four-axis controlUsually advanced Wire-tension controlMay use basic mechanismsAdaptive constant tension availableHighly automated on many models Customization flexibilityOften limitedWorktable, depth, power, and process customizationAvailable but often more expensive Best application focusSmall parts and general workLarge, thick, and production-oriented componentsHighest-end precision and finish requirements 13. Manufacturing Strengths and Quality Assurance The manufacturer behind the PS50C has specialized in electrical discharge wire-cutting technology since 1999. This long-term focus provides an important foundation for product development because wire EDM performance depends on the coordinated design of mechanical structures, electrical systems, motion control, software, flushing, and consumable management. The company maintains capabilities in research, development, machining, assembly, testing, and technical service. Its product portfolio includes medium-speed wire-cut EDM machines, high-speed wire-cut machines, and large-taper wire-cut models. This range allows engineering knowledge to be transferred across different machine categories. Advanced processing equipment and comprehensive testing methods are used to support manufacturing quality. Each machine tool undergoes positioning-accuracy testing before delivery. Inspection of travel accuracy, motion behavior, table alignment, electrical performance, and cutting results helps identify problems before the machine reaches the customer’s workshop. The company’s own factory and engineering resources support greater control over production consistency. Internal coordination between design, casting, mechanical assembly, electrical integration, and final testing can reduce communication gaps and improve response speed when customization is required. Machine tools are manufactured according to applicable national standards, while process control focuses on dimensional accuracy, structural stability, component quality, and operational reliability. Imported linear guides, Japanese EZO bearings, Panasonic servo motors where specified, and other selected components are integrated into the machine according to the required configuration. Quality assurance does not end with final assembly. Before delivery, simulated machining tests can be performed to help verify operating parameters and shorten the customer’s break-in period. This approach is valuable because a wire EDM machine is a process system rather than simply a mechanical product. Cutting performance depends on how the mechanical, electrical, software, and flushing subsystems work together. 14. Customization and Application Engineering Different industries may require different table sizes, loading methods, cutting depths, control systems, or process strategies. The PS50C can be adapted through comprehensive customization services. Worktable dimensions may be adjusted for special workpieces, while extended cutting depths and specific power configurations can be considered for specialized applications. Customization may also involve the development of a machining process. Engineers can review the workpiece material, thickness, contour, dimensional tolerance, required surface finish, production volume, and preferred number of cutting passes. Based on these factors, the machine configuration and process parameters can be selected more effectively. For customers processing aerospace components, heavy molds, and large precision parts, application engineering can be as important as the machine itself. A suitable fixture, stable datum system, reliable flushing method, and appropriate finishing strategy all contribute to final results. The company can provide technical guidance during installation, commissioning, operator training, maintenance, and process optimization. Remote support and spare-parts assistance help reduce downtime and support long-term machine availability. Customization is particularly useful when a standard model is close to the customer’s needs but requires additional capacity. Instead of selecting a substantially larger machine with unnecessary cost and floor-space requirements, the customer may be able to configure the PS50C around the actual production demand. 15. Application Areas Large Mold Manufacturing The PS50C is suitable for large injection molds, stamping dies, extrusion dies, and other tooling components. Its large worktable, taper capability, thick-cutting capacity, and multi-pass control support complex mold profiles and hardened materials. For mold manufacturers, repeatability and surface consistency are essential. The first rough cut can establish the basic profile, while finishing passes improve dimensional accuracy and reduce the need for manual correction. Taper cutting can also produce draft angles and non-parallel features directly. Aerospace Components Aerospace manufacturing often involves high-strength alloys, complex profiles, and demanding quality requirements. Wire EDM can process conductive materials without applying significant mechanical cutting force, making it suitable for delicate or intricate components. The PS50C’s heavy-duty table and large cutting range support larger aerospace-related parts, while the stable wire system and position feedback contribute to repeatable geometry. Application-specific testing is recommended for each alloy and component design. Heavy Machinery Large mechanical components, wear-resistant plates, custom machine parts, and heavy-equipment tooling may exceed the capacity of compact wire-cut machines. The PS50C provides a stronger work platform and greater cutting depth for these applications. Its high table load rating also supports substantial fixtures and workpieces. Efficient rough cutting can shorten production time, while finishing passes can meet the dimensional and surface requirements of precision mechanical assemblies. Precision Machinery and Tooling Precision machinery manufacturers can use the PS50C for punches, dies, guide components, custom profiles, precision slots, and difficult internal contours. The ability to cut hardened material after heat treatment can reduce distortion risks associated with machining before hardening. Small- and Medium-Batch Production The machine is not limited to individual prototypes. Its cutting efficiency and repeatable CNC operation make it suitable for small- and medium-batch production. Programs can be stored and reused, while process parameters can be standardized for recurring parts. 16. Production Efficiency and Cost Control Production efficiency is determined by more than maximum cutting speed. It also depends on setup time, wire-threading time, workpiece loading, program preparation, machine availability, wire consumption, rework, and maintenance. The PS50C addresses several of these factors through automatic threading, large workpiece capacity, efficient pulse control, and accessible maintenance design. The ability to process a large part in one setup can reduce repositioning and alignment work. A large table can also allow multiple smaller parts to be arranged within one machining cycle, depending on the cutting path and fixture design. This can improve machine utilization for batch production. High cutting efficiency helps reduce the roughing time required for thick sections. At the same time, the multi-pass process allows the operator to reserve high-precision finishing for the surfaces that require it. This balance prevents the entire operation from being performed at slow finishing conditions. Lower wire consumption contributes to consumable savings. Stable wire tension and controlled discharge reduce the likelihood of unnecessary wire breakage, while efficient power management helps control electricity use. Low-energy standby operation can further reduce consumption when the machine is not actively cutting. Standardized components and accessible service points simplify maintenance. Centralized lubrication for critical components such as guide rails and lead screws helps maintain reliable operation and reduces the risk of missed lubrication tasks. 17. Environmental and Workshop Considerations Although the PS50C is designed for robust industrial use, the installation environment affects machining performance. The machine should be placed on a suitable foundation with adequate space for operation, maintenance, workpiece loading, fluid-system access, and electrical service. A workshop with limited temperature fluctuation is recommended for precision work. Thermal changes can affect the machine structure, workpiece dimensions, dielectric fluid, and electrical stability. Dust levels should also be controlled to protect guideways, electrical cabinets, and fluid-system components. The working fluid should be maintained according to the recommended filtration and replacement schedule. Paper-core filters must be checked and replaced when necessary. Clean dielectric fluid supports stable flushing and reduces the risk of debris-related discharge problems. Operators should monitor wire condition, guide-wheel wear, tension behavior, pump performance, filtration status, and abnormal sounds or vibration. Preventive maintenance is more effective than waiting for a wire break, poor finish, or positioning problem to become severe. The machine’s eco-friendly pulse power supply and energy-management functions can help reduce unnecessary electrical consumption. Efficient discharge control also supports lower consumable usage and more responsible production. These benefits are consistent with the broader industry movement toward efficient and sustainable manufacturing. 18. Maintenance and Service Support Long-term reliability depends on a clear maintenance program. Daily checks should include dielectric-fluid level, filter condition, wire path cleanliness, guide-wheel condition, flushing pressure, and visible signs of leakage or abnormal movement. Periodic maintenance should include lubrication of guideways and ball screws, inspection of bearings, checking of electrical connections, verification of wire-tension behavior, and cleaning of the working area. The control cabinet should be protected from excessive dust and moisture. Critical components are positioned with maintenance access in mind. Centralized lubrication can simplify routine service, while standardized components support spare-parts management. A structured maintenance schedule helps preserve accuracy and reduces unplanned downtime. Technical support includes installation guidance, commissioning assistance, process recommendations, remote support, and spare-parts supply. Rapid response is especially valuable for manufacturers operating multiple shifts or continuous production schedules. When a customer requires a special process, technical personnel can help review the cutting conditions and machine configuration. This may include advice on wire type, flushing, pulse settings, workholding, cutting sequence, taper compensation, and finishing strategy. 19. Recommended Model Selection The PS-C product family includes several sizes for different production requirements. The PS35C is intended for smaller parts and small- to medium-batch production where precision and efficiency are important but the workpiece size is limited. The PS45C provides a larger workbench and higher load capacity for medium-sized components, larger molds, and precision parts. It is a suitable step up for customers whose workpieces exceed the practical range of smaller machines. The PS50C is designed for large and heavy components. Its 500 × 700 mm XY travel, 350 mm maximum cutting thickness, and 600 kg maximum worktable load make it suitable for demanding production tasks that require both capacity and precision. The PS60C is intended for extra-large workpieces and high-load components. It offers a 600 × 800 mm XY travel, approximately 430 mm maximum cutting thickness, and approximately 800 kg maximum table load. Customizable options are available for the PS60C and larger machines. ModelXY TravelMaximum Cutting ThicknessMaximum Table LoadTypical Application PS35C350 × 500 mm280 mm300 kgSmall parts and small-to-medium batches PS45C450 × 600 mm280 mm400 kgMedium parts, molds, and precision components PS50C500 × 700 mm350 mm600 kgLarge and heavy parts requiring high capacity PS60C600 × 800 mm430 mm800 kgExtra-large workpieces and high-load applications 20. Q&A: Common Questions About the PS50C Q1: Is the PS50C suitable for large workpieces? Yes. The machine has an XY travel of approximately 500 × 700 mm, a 740 × 1060 mm worktable, and a processing slot of approximately 740 × 1150 mm. These dimensions make it suitable for large molds, mechanical parts, aerospace components, and other workpieces that require a wider processing range. Q2: How thick a material can the PS50C cut? The maximum rated cutting thickness is approximately 350 mm. Actual production results depend on material type, electrical conductivity, geometry, flushing conditions, workpiece fixturing, and the required accuracy and surface finish. Process testing is recommended for especially difficult alloys or unusual geometries. Q3: What is the maximum worktable load? The PS50C has a maximum worktable load of approximately 600 kg. The workpiece must still be supported correctly, and the fixture arrangement should distribute the load safely across the table. Q4: Can the machine perform taper cutting? Yes. The PS50C uses U and V axes for taper control and supports four-axis linkage with X, Y, U, and V. The maximum cutting taper is approximately ±6° over 80 mm under the stated configuration. Q5: What cutting efficiency can users expect? The maximum cutting efficiency is approximately 10,000 to 16,000 mm² per hour under suitable test conditions. Actual performance varies according to material, thickness, flushing, wire condition, pulse parameters, and the selected control-cabinet configuration. Q6: What surface finish can the PS50C achieve? With appropriate multi-pass cutting conditions, the machine can achieve an optimal surface roughness of approximately Ra ≤ 1.2 μm. The final result depends on the workpiece material, thickness, number of passes, cutting parameters, wire stability, and flushing performance. Q7: Does the PS50C support automatic threading? One-touch automatic threading is available to reduce manual work and improve operating convenience. The feature can be particularly useful in production environments where wire breaks or repeated internal starts occur. Q8: Is constant wire tension available? Yes. An adaptive constant-tension wire-tightening mechanism is available as an option. The system is designed to respond more effectively to wire-tension fluctuations and can help improve stability during straight and taper cutting. Q9: What control system is used? The standard programming system is X8/AUTOCUT. CAXA CAM2019 or TCAM can be selected as optional configurations. The machine also provides LAN and USB interfaces for program transfer and data exchange. Q10: Can the machine use servo drives? Yes. The standard configuration may use XY stepper drives, while AC servo drives are available as an option. Servo drives may be preferred for applications requiring improved dynamic response, smoother movement, and demanding multi-pass accuracy. Q11: Is the PS50C suitable for continuous operation? The machine is designed for stable long-term operation and can support extended production schedules when correctly installed, maintained, and operated. Proper fluid management, lubrication, wire inspection, and workshop temperature control are important for continuous operation. Q12: Can the PS50C be customized? Yes. Customization may include worktable dimensions, extended cutting depth, power configuration, control options, and process development. The appropriate solution depends on the workpiece dimensions, material, production volume, and required accuracy. Q13: How does the PS50C compare with a smaller PS-C model? The PS50C provides a larger worktable, greater XY travel, higher load capacity, and greater cutting thickness than smaller models such as the PS35C and PS45C. It is intended for large, heavy, and more demanding workpieces. Q14: What industries commonly use this type of machine? Typical applications include large mold manufacturing, aerospace components, heavy machinery, precision tooling, precision machinery, hardened steel parts, and medium- to large-scale industrial production. Q15: What installation environment is recommended? A stable workshop with limited temperature fluctuation, controlled dust, adequate floor strength, suitable electrical service, and sufficient maintenance space is recommended. Correct installation and leveling help the machine achieve its designed accuracy. 21. Conclusion The PS50C heavy-duty CNC wire-cut EDM machine is designed for manufacturers that require more capacity, stability, and process flexibility than a conventional compact wire-cut machine can provide. Its large worktable, 500 × 700 mm XY travel, 350 mm maximum cutting thickness, and 600 kg worktable load support the machining of large and heavy components. Its performance is reinforced by a rigid HT250 T-shaped bed, resin-sand castings, aging treatment, linear guides, ball screws, grating-scale feedback, imported bearings, controlled pulse power, adaptive wire tension, automatic threading, and four-axis taper machining. These features work together to improve cutting stability, productivity, surface quality, and long-term reliability. Compared with basic high-speed machines, the PS50C offers greater capacity and more advanced process control. Compared with high-cost premium wire EDM systems, it provides a practical balance between precision, cutting efficiency, customization, and operating economy. This makes it an attractive option for large molds, aerospace-related parts, heavy mechanical components, precision tooling, and other demanding applications. The manufacturer’s experience in EDM development, in-house production capabilities, positioning-accuracy testing, process simulation, technical support, and customization services further strengthens the machine’s value. For customers seeking a dependable wire erosion machine for large and thick workpieces, the PS50C provides a comprehensive platform for improving production efficiency while maintaining controlled machining quality. References 1. Manufacturer-provided PS-C Series Medium-Speed Wire-Cut EDM Technical Specifications. 2. Manufacturer-provided PS50C Product Description and Application Information. 3. Manufacturer-provided CNC Wire-Cut EDM Machine Operation and Configuration Data. 4. General Principles of Electrical Discharge Machining and Wire Electrical Discharge Machining. 5. General Practices for CNC Machine Tool Accuracy Testing and Preventive Maintenance. Product: PS50C Heavy-Duty CNC Wire Cut EDM Machine for Large & Thick Workpieces .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-10-08
DK45D Large-Taper Wire-Cut EDM Machine for Precision Mold and Complex-Part Manufacturing
Modern mold manufacturing, aerospace production, automotive engineering, and precision machinery increasingly require machining systems that can cut difficult materials while maintaining dimensional consistency, surface quality, and reliable productivity. Conventional cutting processes often become inefficient when a workpiece contains a deep profile, a steep taper, a complex contour, or a combination of upper and lower shapes. In these applications, a large-taper wire-cut electrical discharge machining machine can provide a practical and accurate solution. The DK45D CNC Large-Taper Wire-Cut EDM Machine is designed for demanding applications that require substantial taper angles, high cutting thickness, and stable four-axis interpolation. Its primary strength is the coordinated movement of the X, Y, U, and V axes, which allows the electrode wire to assume a controlled spatial angle while following complex programmed contours. This configuration enables manufacturers to produce tapered punches, dies, inserts, precision mechanical components, and other parts that are difficult to complete with standard two-axis wire-cut equipment. With a maximum cutting thickness of 450 mm, a maximum worktable load of 400 kg, and a maximum cutting taper of ±30° per 40 mm, the DK45D is positioned as a versatile solution for medium-sized components and high-precision molds. It combines a rigid mechanical structure, high-precision linear guide support, an X8 AUTOCUT control system, frequency-controlled wire transport, and a maximum cutting efficiency of 10,000 to 16,000 mm²/h. These features allow it to address both the geometric challenges of large-taper machining and the production requirements of industrial users. DK45D CNC Large Taper Wire Cut EDM Machine for Precision Mold Machining 1. The Role of Large-Taper Wire EDM in Advanced Manufacturing Wire electrical discharge machining removes material through controlled electrical discharges between a continuously moving electrode wire and a conductive workpiece. Because the process does not depend on direct mechanical contact between a cutting tool and the workpiece, it can machine hardened steel, carbide, alloys, and other conductive materials without imposing conventional cutting forces on the part. This operating principle is especially useful in mold and die production. After heat treatment, many mold components become too hard for ordinary milling or turning operations. A wire EDM machine can cut these materials with a fine wire electrode while maintaining a narrow kerf and a controlled thermal process. The result is a machining method that can be used after hardening, reducing the risk of distortion caused by later heat-treatment operations. Standard wire-cut EDM machines are generally optimized for vertical or nearly vertical profiles. They can produce highly accurate two-dimensional contours, but their tapering systems may have limited travel. When a workpiece requires a significant inclination, a variable taper, or different upper and lower contours, a basic machine may not provide enough U- and V-axis movement. The operator may then need additional setups, manual correction, grinding, or separate machining operations. The DK45D is designed to reduce these limitations. Its four-axis linkage allows the X and Y axes to control the workpiece contour while the U and V axes control the orientation of the wire guides. As the wire tilts, the control system coordinates the horizontal and tapering movements so that the programmed contour is maintained through the thickness of the workpiece. Large-taper capability is valuable in many applications. It can be used to manufacture inclined punch walls, tapered die openings, sloped mold inserts, complex stamping components, aerodynamic parts, and specialized mechanical profiles. It also gives process engineers more freedom when designing a component because the machining system is not limited to a simple vertical wall. 2. Product Positioning and Main Advantages The DK45D is intended for medium-sized workpieces, precision molds, and complex components that demand a combination of large taper, substantial cutting thickness, and stable process control. It occupies an important position between ordinary high-speed wire-cut machines and larger heavy-duty taper models. Compared with a standard vertical wire EDM machine, the DK45D offers a substantially wider range of taper movement. Compared with larger models in the same product family, it provides a more compact working envelope and lower machine weight, making it easier to install in facilities that do not require the capacity of the DK55D, DK63D, or DK80D. The machine’s main advantages can be summarized as follows: Large-taper machining: The DK45D supports a maximum cutting taper of ±30° per 40 mm, making it appropriate for steeply inclined and complex profiles. Deep-section processing: A maximum cutting thickness of 450 mm enables the machine to handle workpieces significantly thicker than those used in many general-purpose wire EDM applications. Four-axis coordinated movement: X, Y, U, and V axes operate as a linked system, supporting tapered walls, variable profiles, and spatial contours. Stable load handling: The maximum worktable load is 400 kg, allowing the machine to process substantial mold plates and metal components. High cutting efficiency: A maximum cutting efficiency of 10,000 to 16,000 mm²/h supports practical production scheduling while preserving the advantages of EDM. Controlled surface quality: The stated optimal surface roughness can reach Ra≤2.5 μm under suitable conditions, depending on material, thickness, flushing, wire condition, and machining parameters. Accessible operation: The X8 AUTOCUT control system provides an intuitive interface intended to reduce programming complexity and shorten the learning curve for operators. Flexible configuration: The machine can be supplied with standard stepper drives and can optionally be equipped with AC servo drives for the X and Y axes. A linear scale and high-pressure water tank are also available as optional configurations. These characteristics make the DK45D suitable for companies that need more than basic contour cutting but do not require the footprint, load rating, and cost of an extra-large wire EDM machine. 3. Large-Taper Cutting Capability and Four-Axis Control 3.1 Coordinated X, Y, U, and V Movement The technical foundation of the DK45D is its four-axis linkage. The X and Y axes define the principal contour on the worktable, while the U and V axes control the relative position of the upper and lower wire guides. By coordinating these movements, the wire can be inclined during cutting while following the desired geometry. This is different from simply cutting a two-dimensional shape and manually adjusting the machine afterward. In a properly programmed four-axis operation, the taper angle is incorporated into the machining path. The control system calculates the relationship between the upper profile, lower profile, wire diameter, workpiece thickness, and desired offset. This enables the machine to produce components whose upper and lower contours are not identical. For mold manufacturers, this capability can be important when designing draft angles, clearance features, punches, die openings, and forming surfaces. It can also reduce the need for secondary grinding or manual fitting. A single controlled EDM process may complete a profile that would otherwise require multiple machine setups. 3.2 Taper and Geometric Compensation Large-angle wire cutting introduces geometric challenges. When the wire is inclined, the position of the cutting point changes through the thickness of the workpiece. The wire also has a finite diameter, and electrical discharge creates a spark gap between the wire and the material. If these effects are not considered, the upper and lower contours may deviate from the programmed geometry. The DK45D uses the X8 AUTOCUT control system to manage programmed compensation and coordinated movement. The control logic is intended to account for wire diameter, taper orientation, workpiece thickness, and contour requirements. Proper compensation helps maintain dimensional consistency between the programmed path and the final machined profile. In practical production, the final result still depends on correct setup, material conductivity, wire tension, dielectric cleanliness, flushing pressure, workpiece alignment, and electrical parameters. However, a dedicated large-taper machine provides the mechanical travel and control architecture required to make these adjustments effectively. 3.3 Variable Taper Applications Many components do not require one constant taper angle throughout the entire contour. The upper and lower shapes may differ, or the angle may change along the path. Four-axis linkage gives the programmer greater flexibility in defining these transitions. This is useful for complex stamping dies, forming tools, specialized gears, aerospace components, and parts with irregular spatial geometry. Variable taper cutting can also improve design freedom. Engineers may create a profile that combines a vertical section, a gradual inclination, and a steep transition without changing machines. The ability to complete such features in one coordinated process can improve repeatability and reduce the risk of alignment errors between separate operations. 4. Mechanical Structure Designed for Stability Large-taper machining places more demanding requirements on the machine structure than ordinary vertical cutting. When the wire is inclined, the distribution of tension and flushing forces changes. The cutting path may also require extended movement of the tapering axes. If the frame, guides, or worktable lack sufficient rigidity, vibration marks, geometric errors, or unstable discharge may appear. The DK45D incorporates a rigid machine structure intended to support reliable operation under these conditions. Its high-grade cast components are designed to provide a stable foundation for the worktable and moving assemblies. Natural aging or equivalent stress-relief practices are used in the manufacturing process to help reduce the effect of internal casting stresses. A stable bed is important because thermal and mechanical changes can influence the relative position of the wire, workpiece, and guides. The stronger the structural foundation, the easier it is for the control system and precision guide components to maintain the intended relationship during long cutting cycles. The machine is also equipped with high-precision linear rail support. Linear guides reduce friction and provide controlled movement for the worktable and associated assemblies. Their precision directly affects positioning behavior, contour smoothness, and the machine’s ability to repeat a programmed path. For heavy or thick workpieces, the worktable must maintain its alignment while carrying the load. The DK45D has a maximum worktable load of 400 kg. This capacity is suitable for many medium-sized molds, plates, inserts, and precision components. Correct load distribution and proper clamping remain important, particularly when processing tall or irregularly shaped workpieces. 4.1 Wire Guiding and Flushing Alignment Wire guides and flushing nozzles play a vital role in EDM performance. During large-angle cutting, the wire is no longer vertical, so the alignment between the wire path, guide system, and dielectric flow becomes more complex. Poor alignment can reduce flushing effectiveness, destabilize the discharge gap, and produce inconsistent surface conditions. The DK45D’s wire-guiding arrangement is designed for controlled movement during taper operations. Calibrated guide and nozzle alignment helps maintain a stable wire path while allowing dielectric fluid to reach the cutting zone. Effective flushing removes eroded particles from the gap and reduces the chance of secondary discharges or short circuits. The machine uses a Φ0.18 mm electrode wire with a wire guider and supports a wire feed speed of 1 to 11 m/s through frequency control. The maximum wire storage length is approximately 350 m. These specifications provide a practical balance between continuous cutting, wire stability, and consumable management. 5. EDM Discharge and Process Control The performance of a wire EDM machine depends not only on axis accuracy but also on the stability of the electrical discharge. Each discharge removes a small amount of material from the workpiece while also affecting the wire and dielectric fluid. The process must maintain a controlled gap so that material is removed efficiently without causing excessive wire wear, unstable arcing, corner damage, or thermal discoloration. The DK45D is equipped with a maximum processing current of 6 A and an electrical capacity of 2.5 KVA. The machine’s control and power systems are configured for wire EDM applications involving precision contour cutting and large-taper processing. During cutting, the effective thickness and flushing conditions may change as the wire follows a tapered or variable profile. The discharge system must therefore accommodate differences in gap conditions. Appropriate pulse duration, discharge energy, wire speed, and flushing parameters can help maintain cutting continuity. At corners, the wire may slow down or change direction. If the electrical energy is not adjusted appropriately, excessive heat may accumulate and cause corner collapse, overburn, or a loss of dimensional accuracy. A controlled EDM strategy helps moderate the discharge conditions in these areas. Dielectric circulation is equally important. Electrical discharge produces fine debris, and this debris must be removed from the machining zone. The DK45D can be configured with a high-pressure water tank as an option. Depending on the workpiece thickness and machining conditions, enhanced flushing can help improve discharge stability and surface quality. For users pursuing high accuracy, process discipline is essential. The workpiece should be correctly aligned, the wire guides should be clean, the dielectric should be maintained, and the programmed compensation should reflect the actual material thickness and taper requirement. The machine provides the necessary platform, while consistent operating procedures transform the platform into repeatable production performance. 6. Manufacturing Quality and Production Strength The quality of a precision machine tool is determined by more than its published specifications. Casting preparation, component machining, assembly accuracy, electrical integration, software configuration, inspection, and final testing all influence the machine’s behavior after delivery. A manufacturer with complete process control can reduce variation between machines and improve the reliability of customer operations. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has specialized in electrical discharge wire cutting since 1999. The POOSN brand was established in 2003, and the company later developed its own manufacturing base. In 2017, the company was formally established with registered capital of 60 million yuan and built its own factory. Its development has included cooperation with CNC technology partners, investment in processing and testing capabilities, and continued development of wire EDM equipment. The company’s product portfolio includes PS-C and DK77-BC medium-speed wire-cut EDM machines, DK77-A and DK77-B high-speed wire-cut EDM machines, and DK77-D large-taper wire-cut EDM machines. This product coverage allows the company to serve different customer requirements, ranging from general contour cutting to high-speed processing and large-angle machining. 6.1 Casting and Stress Management Machine-bed castings must be carefully managed because residual stress can affect long-term geometry. A casting that is not adequately stabilized may gradually change shape as internal stress is released. For a wire EDM machine, even a small structural movement can influence guide alignment, table travel, and taper accuracy. The DK45D manufacturing approach emphasizes rigid cast structures and stress-reduction practices. Natural aging and controlled preparation help stabilize the main structural components before precision machining and assembly. This supports long-term dimensional consistency and reduces the risk of structural movement during service. 6.2 Precision Component Processing Precision machine tools require precise component preparation. Linear guide mounting surfaces, worktable reference areas, wire guide supports, and axis transmission components must be processed and assembled with careful attention to alignment. Errors that appear insignificant during individual component inspection can accumulate when multiple assemblies are integrated. By using advanced processing equipment and comprehensive testing methods, the manufacturer can control critical dimensions throughout production. The company states that its products are manufactured according to national standards and that each machine tool undergoes positioning accuracy testing. 6.3 Assembly and Electrical Integration Mechanical assembly and electrical integration must be treated as one coordinated process. The CNC control, stepper or servo drives, tapering axes, wire transport system, dielectric circulation, and safety functions must work together. Incorrect cable routing, poor grounding, inadequate calibration, or inconsistent drive settings can reduce the performance of an otherwise accurate mechanical structure. The DK45D uses standard XY stepper drives, with optional XY AC servo drives. The U and V tapering axes use three-phase stepper drives, while the Z-axis lift is driven by an AC 220 V electric motor. The four NC-controlled axes are X, Y, U, and V. This configuration gives users a defined platform for contour and taper control while allowing selected drive upgrades according to production needs. Final assembly includes functional testing, axis movement verification, control-system checks, wire transport checks, and positioning accuracy inspection. The company also describes full-load operational testing and laser interferometer calibration as part of its quality assurance approach. These procedures are intended to ensure that the machine meets specified performance requirements before shipment. 7. Technical Specifications of the DK45D The following table summarizes the principal DK45D specifications and places them alongside the larger models in the same DK-D large-taper series. The comparison helps users determine whether the DK45D provides sufficient working capacity or whether a larger machine is more appropriate. Technical ItemDK45DDK55DDK63DDK80D Worktable Size570 × 950 mm740 × 1160 mm844 × 1360 mm1020 × 1620 mm X/Y Travel450 × 650 mm550 × 800 mm630 × 1000 mm800 × 1200 mm Processing Slot Size630 × 990 mm770 × 1180 mm890 × 1400 mm1050 × 1660 mm Maximum Cutting Thickness450 mm600 mm600 mm800 mm Maximum Worktable Load400 kg600 kg800 kg1000 kg Maximum Cutting Taper±30° per 40 mm±30° per 80 mm; ±45° per 80 mmSeries-dependentSeries-dependent Electrode Wire DiameterΦ0.18 mm with guiderΦ0.18 mm with guiderΦ0.18 mm with guiderΦ0.18 mm with guider Wire Feed Speed1–11 m/s1–11 m/s1–11 m/s1–11 m/s Maximum Wire StorageApproximately 350 mApproximately 350 mApproximately 350 mApproximately 350 m Maximum Cutting Efficiency10,000–16,000 mm²/h10,000–16,000 mm²/h10,000–16,000 mm²/h10,000–16,000 mm²/h Optimal Surface RoughnessRa≤2.5 μmRa≤2.5 μmRa≤2.5 μmRa≤2.5 μm NC-Controlled AxesX, Y, U, VX, Y, U, VX, Y, U, VX, Y, U, V Programming SystemX8/AUTOCUTX8/AUTOCUTX8/AUTOCUTX8/AUTOCUT Standard XY DriveStepper driveStepper driveStepper driveStepper drive Optional XY DriveAC servo driveAC servo driveAC servo driveAC servo drive Machine Weight1600 kg2000 kg2500 kg3500 kg Approximate Dimensions1780 × 1500 × 1700 mm2210 × 2030 × 2335 mm2420 × 2240 × 2370 mm2600 × 2590 × 2900 mm The DK45D’s 450 mm cutting thickness and 400 kg worktable load are particularly relevant to medium-scale mold shops and precision component manufacturers. Users with larger workpieces can select the DK55D, DK63D, or DK80D, which provide progressively larger travel, cutting thickness, and load capacity. 8. Applications in Mold Manufacturing Mold and die production is one of the most important application areas for the DK45D. Precision molds often contain hardened materials, narrow slots, intricate contours, and draft angles that are difficult to produce using conventional cutting tools. Wire EDM can machine these features after heat treatment and maintain a relatively low mechanical load on the workpiece. In stamping die manufacturing, the DK45D can cut punch profiles, die openings, stripper components, and inserts. Large-taper capability is particularly helpful when the die requires a controlled clearance angle or an inclined cutting edge. The machine may be able to complete the tapered profile in one coordinated operation, reducing secondary grinding and manual fitting. For plastic injection molds, the machine can produce inserts, lifter-related components, narrow slots, and complex shaped features. The ability to process hardened tool steel is valuable when the component has already undergone heat treatment. The operator can use finish passes to improve dimensional accuracy and surface quality after rough or semi-finish cutting. The machine is also suitable for precision mold components with deep profiles. A 450 mm maximum cutting thickness provides flexibility for taller workpieces, although the actual achievable thickness depends on flushing, material, wire condition, taper angle, and the specific process plan. 9. Aerospace and Precision Mechanical Applications Aerospace components frequently involve difficult materials, complex contours, and strict requirements for geometric consistency. Wire EDM is used when a component requires a profile that is difficult to mill, when the material is hardened or difficult to cut, or when the design includes narrow openings and intricate contours. The DK45D’s four-axis configuration supports tapered and spatially related profiles. This can be useful for components with aerodynamic forms, inclined walls, specialized slots, and nonparallel surfaces. The process does not impose the same cutting forces as milling, which can be beneficial when machining thin or delicate conductive components. In precision machinery, the machine can process gears, mechanical inserts, guide components, and irregularly shaped parts. Its repeatable axis movement and controlled wire path support the production of small and medium-sized components where dimensional consistency is important. Automotive component manufacturers can use the DK45D for steering, transmission, forming, and fixture parts. The machine is particularly useful when a part includes an irregular contour or a hardened section that would be time-consuming to process with conventional tools. Its capacity and taper range make it suitable for both prototype work and medium-volume production, subject to the required cycle time. 10. Operational Efficiency and Cost Control Productivity in EDM depends on more than maximum cutting speed. A machine must also minimize setup time, reduce rework, provide stable cutting over long cycles, and offer a control interface that operators can use efficiently. The DK45D addresses these factors through its integrated taper control, workpiece capacity, wire feed system, and programmable operation. Large-taper cutting in one setup can reduce the need for repeated clamping and realignment. Every additional setup introduces the possibility of datum errors, operator variation, and additional inspection. By keeping the part on the machine while the required contour and taper are produced, the manufacturer can simplify the process route. Stable operation also influences costs. Unplanned wire breakage, poor flushing, excessive rework, and inconsistent surface quality can increase consumable use and extend delivery time. A rigid structure, precise guides, appropriate wire speed, and controlled dielectric circulation help reduce these risks when the machine is properly maintained. The X8 AUTOCUT control system contributes to operational efficiency by providing a user-oriented interface for programming and process management. Complex four-axis calculations are handled within the control environment, reducing the amount of manual calculation required from the operator. This is especially useful for manufacturers transitioning from basic two-axis cutting to large-taper machining. The machine can also be configured according to customer requirements. Standard stepper drives provide a practical and economical configuration, while optional AC servo drives and linear scales can be selected when the application places greater emphasis on positioning feedback and motion performance. The optional high-pressure water tank can support demanding flushing conditions. 11. Comparison with Conventional Wire-Cut Equipment A conventional wire-cut EDM machine remains effective for many flat-profile applications. It can provide accurate contour cutting at a reasonable operating cost. However, its usefulness may be limited when the workpiece requires a large angle, a changing taper, or a different upper and lower profile. The DK45D offers several advantages in these situations: First, its tapering mechanism is integrated into the CNC architecture. The operator can program coordinated movement rather than relying on manual adjustments or separate operations. Second, its extended taper capability is suited to steep profiles. A maximum taper of ±30° per 40 mm allows the machine to address applications beyond the practical range of many ordinary wire-cut machines. Third, its work envelope and cutting thickness provide greater flexibility for medium-sized and relatively deep parts. This can reduce the need to divide a component into multiple operations. Fourth, the machine is designed with structural rigidity and guide alignment in mind. Large-angle machining generates different force and flushing conditions from ordinary cutting, so a machine built specifically for this work can offer greater process stability than a general-purpose model used beyond its intended range. Finally, the DK45D is part of a broader product family. If a customer’s future requirements grow, the DK55D, DK63D, and DK80D provide larger worktables, higher load capacities, and greater cutting thickness. This makes model selection more systematic and allows a manufacturer to choose equipment according to present and anticipated production needs. 12. Recommended Production Workflow 12.1 Workpiece Preparation Before machining, the operator should verify that the material is electrically conductive and suitable for wire EDM. The workpiece should be cleaned, deburred, and inspected for excessive rust, scale, or contamination. Reference surfaces should be identified so that the part can be aligned accurately on the worktable. For thick or heavy components, the clamping method must provide stable support without obstructing the wire path or dielectric flow. The workpiece should be positioned so that the required taper movement remains within the available U- and V-axis travel. 12.2 Alignment and Datum Setting Accurate alignment is essential for high-precision taper cutting. The operator should establish the work coordinate system carefully and confirm the relationship between the programmed geometry and the physical workpiece. Incorrect alignment can create apparent taper errors even when the machine itself is operating correctly. For components with different upper and lower profiles, the operator should verify the top and bottom reference conditions before starting the program. The wire guides, nozzles, and workpiece should be inspected to ensure that they do not interfere with the intended angle. 12.3 Programming and Compensation The machining program should include the correct material thickness, wire diameter, offset, taper angle, and contour information. The X8 AUTOCUT control system is intended to simplify this process, but production personnel should still review the program and simulate critical movements where possible. Compensation values should be selected according to the actual wire and machining condition. A finish cut may be required when the part demands closer dimensional control or improved surface roughness. For complex variable-taper work, a test cut on a representative material sample can help verify the process before production machining begins. 12.4 Cutting and Inspection During cutting, the operator should monitor wire transport, dielectric condition, discharge stability, flushing, and abnormal alarms. Thick sections and steep tapers may require parameter adjustments to maintain a stable gap. After cutting, the component should be inspected using appropriate gauges, a coordinate measuring machine, optical equipment, or other suitable metrology tools. Inspection results can be used to refine compensation and process settings. This closed-loop approach is especially valuable for complex molds, where a small geometric deviation can affect assembly, parting, or final product quality. 13. Maintenance and Long-Term Reliability Regular maintenance is necessary to preserve the accuracy and productivity of any wire EDM machine. The operator should keep the worktable, wire guides, nozzles, and dielectric area clean. Accumulated debris can interfere with wire movement and flushing. The wire guides should be checked for wear because guide condition directly influences wire stability and dimensional performance. The dielectric system should be maintained according to the manufacturer’s recommendations. Filters, pumps, tanks, and seals should be inspected at suitable intervals. Water quality and temperature can affect discharge stability and surface results. Maintaining the circulation system also helps reduce the risk of particle accumulation in the machining gap. Linear guides and transmission components should be inspected and lubricated as specified. Unusual noise, increased friction, backlash, or irregular axis movement should be investigated promptly. Preventive maintenance can reduce downtime and protect the investment in precision equipment. The electrical cabinet should be kept clean and adequately ventilated. Power connections, grounding, cables, and drive components should be checked by qualified personnel. Software backups and parameter records should be maintained so that production settings can be restored after service or control-system maintenance. Long-term reliability also depends on operator training. Even an intuitive control system requires users to understand workpiece alignment, wire threading, dielectric management, taper programming, compensation, and inspection. Xinchengyang Machinery provides technical support and operation training to help customers use the equipment effectively. 14. Model Selection Guidance The DK45D is recommended for medium-sized components and precision molds that require large-taper cutting, a maximum thickness of 450 mm, and a maximum worktable load of 400 kg. It is a practical choice for mold shops, precision machinery manufacturers, and medium-scale production facilities. The DK55D is more suitable when the workpiece is larger, heavier, or requires a greater cutting thickness. It provides a maximum cutting thickness of 600 mm, a 600 kg worktable load, and a larger working area. The DK63D is intended for still larger workpieces and heavier components. Its 800 kg worktable load and expanded travel make it appropriate for demanding mold and aerospace applications. The DK80D is the largest listed model in the series. It is designed for heavy-duty molds, extra-large workpieces, and production tasks that require up to 800 mm of cutting thickness and a 1000 kg worktable load. Customers should consider more than worktable size when selecting a model. Important factors include the actual workpiece envelope, maximum height, load distribution, taper angle, required surface finish, expected production volume, workshop space, crane capacity, power supply, and future product plans. 15. Technical Support and Customization A wire EDM machine is a long-term production asset, so technical support is an important part of the purchasing decision. Xinchengyang Machinery provides rapid response and professional technical assistance intended to support equipment operation, troubleshooting, process adjustment, and maintenance. Customization is available for selected requirements. Worktable dimensions, cutting angles, drive configuration, linear scale installation, high-pressure flushing, and other options can be discussed according to the application. For DK80D and larger machines, additional customization options are available. Customization should be based on a clear technical evaluation. The customer should provide workpiece drawings, materials, dimensions, thicknesses, required taper angles, expected tolerances, surface-finish targets, production quantities, and available workshop conditions. This information allows the manufacturer to recommend a suitable configuration rather than simply selecting a machine based on nominal travel. Professional support is also valuable during installation and commissioning. Correct leveling, electrical connection, dielectric preparation, wire threading, axis calibration, and initial test cutting can influence the machine’s performance from the beginning. A structured installation process helps the customer transition more quickly from equipment delivery to stable production. 16. Questions and Answers Q1: What is the maximum taper capability of the DK45D? The DK45D provides a maximum cutting taper of ±30° per 40 mm. This capability is intended for steeply inclined profiles, large-taper mold features, and complex components requiring more than ordinary vertical contour cutting. Q2: What is the maximum cutting thickness? The maximum cutting thickness is 450 mm. Actual cutting performance depends on the material, workpiece geometry, taper angle, wire condition, flushing, dielectric management, and selected machining parameters. Q3: How much weight can the worktable support? The maximum worktable load is 400 kg. Heavy workpieces should be distributed and clamped properly to maintain stability and avoid obstructing wire movement or dielectric flow. Q4: Can the DK45D machine hardened materials? Yes. Wire EDM is suitable for many electrically conductive hardened materials, including tool steels, alloys, and other metals. The machine does not rely on direct mechanical cutting forces, making it useful for components processed after heat treatment. Q5: What control system does the machine use? The DK45D uses the X8/AUTOCUT control system. It supports CNC programming and four-axis linkage for X, Y, U, and V movement. The interface is designed to reduce manual intervention and help operators manage complex taper-cutting tasks. Q6: Is the DK45D suitable for inexperienced operators? The machine uses an intuitive operating interface, and the control system handles many of the calculations associated with four-axis taper cutting. However, operators still need training in wire EDM principles, workpiece alignment, programming, flushing, maintenance, and inspection. The manufacturer provides operation training and technical support. Q7: How does the machine maintain accuracy during heavy cutting? Accuracy is supported by the rigid machine structure, high-precision linear rails, controlled wire guiding, coordinated axis movement, and EDM process control. Proper clamping, alignment, dielectric maintenance, and parameter selection are also essential for maintaining accuracy under high-load conditions. Q8: What surface roughness can the DK45D achieve? The listed optimal surface roughness is Ra≤2.5 μm. The final result depends on the workpiece material, thickness, cutting strategy, number of passes, wire condition, discharge settings, flushing, and inspection method. Q9: Can the machine produce different upper and lower profiles? Yes. The coordinated X, Y, U, and V axes allow the wire to tilt and follow spatially related profiles. This makes the machine suitable for variable taper cutting and components in which the upper and lower contours are not identical. Q10: When should a customer choose a larger model? A larger model should be considered when the workpiece exceeds the DK45D’s travel, 450 mm cutting thickness, or 400 kg load capacity. The DK55D, DK63D, and DK80D provide progressively larger worktables, higher load ratings, and greater cutting thickness for larger or heavier components. Q11: What optional equipment is available? Optional configurations include AC servo drives for the X and Y axes, a linear scale, and a high-pressure water tank. These options can be selected according to the required motion performance, measurement feedback, and flushing conditions. Q12: What standards are used for machine accuracy? The machine accuracy specification references GB/T7926-2015. The manufacturer also describes positioning accuracy testing, full-load operational testing, and precision calibration as part of its quality-control process. 17. Conclusion The DK45D CNC Large-Taper Wire-Cut EDM Machine is developed for manufacturers that require more than ordinary two-dimensional wire cutting. Its combination of ±30° per 40 mm taper capability, 450 mm maximum cutting thickness, 400 kg worktable load, four-axis linkage, rigid structure, precision linear guides, and X8 AUTOCUT control system makes it suitable for precision molds, complex stamping dies, aerospace components, automotive parts, and specialized mechanical products. Its principal competitive advantage is the ability to combine large-angle cutting with stable CNC contour control. Instead of treating taper machining as a secondary operation, the DK45D integrates it into the machine’s mechanical and control architecture. This can reduce repeated setups, simplify complex production routes, and improve consistency when manufacturing parts with inclined or variable profiles. The strength of the product is supported by the manufacturing capabilities of Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. The company’s experience in wire EDM, its range of medium-speed, high-speed, and large-taper machines, its casting and assembly practices, and its testing and technical-support systems provide a foundation for reliable equipment delivery. For customers seeking a medium-capacity large-taper wire EDM machine, the DK45D offers a balanced solution. It provides substantial cutting thickness and taper range without requiring the footprint and cost of the largest equipment in the series. With correct model selection, professional installation, operator training, and preventive maintenance, it can become a productive part of a precision manufacturing environment. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK-D Large Cutting Taper WEDM Technical Parameters, product data supplied for the DK45D series. 2. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., Product and Company Information, manufacturing history, product range, quality policy, and technical-support materials. 3. GB/T7926-2015, Accuracy of Wire-Cut Electrical Discharge Machines, referenced standard for machine accuracy evaluation. 4. General principles of wire electrical discharge machining, including spark-gap control, electrode-wire transport, dielectric flushing, wire compensation, and CNC contour interpolation. 5. General practices for precision mold manufacturing, hardened-tool-steel machining, taper cutting, dimensional inspection, and preventive maintenance of wire EDM equipment. Product: DK45D CNC Large Taper Wire Cut EDM Machine for Precision Mold Machining .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-10-04
DK45BC CNC Medium-Speed Wire EDM Machine for Heavy-Duty Precision Cutting
Wire Electrical Discharge Machining (WEDM) has become an essential technology for manufacturers that need to cut hardened, conductive materials into intricate profiles without imposing mechanical cutting forces on the workpiece. Mold manufacturers, automotive suppliers, aerospace subcontractors, toolmakers, and precision engineering companies increasingly require equipment that can combine large workpiece capacity, reliable cutting performance, controlled taper machining, and repeatable accuracy. The DK45BC CNC Medium-Speed Wire EDM Machine has been developed to address these requirements through a high-capacity worktable, a four-axis control structure, adjustable wire-feed operation, and a multi-pass cutting process. Designed for a maximum worktable load of 400 kg and a maximum cutting thickness of 450 mm, the DK45BC occupies an important position between compact precision machines and larger heavy-duty WEDM systems. It is suitable for medium-sized molds, automotive tooling, mechanical components, and other conductive workpieces that are too large or heavy for smaller machines but do not require the footprint of an extra-large model. Its 450 mm X-axis travel and 600 mm Y-axis travel provide a practical machining envelope for a broad range of industrial components. The machine is manufactured by Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., a specialist producer with experience in electrical discharge machining, wire-cutting equipment, special processing technologies, and related CNC systems. Since beginning its wire-cutting specialization in 1999, the company has developed product families covering medium-speed, high-speed, and large-taper wire EDM applications. Its manufacturing philosophy combines structural design, electrical control development, precision testing, process optimization, and after-sales support. This article examines the DK45BC in detail, including its mechanical construction, control architecture, cutting capabilities, workpiece applications, manufacturing advantages, customization options, operating economy, and comparison with conventional high-speed wire-cut machines and competing equipment categories. DK45BC CNC Medium-Speed Wire EDM Machine (400kg Load) 1. Product Positioning and Main Application Value The DK45BC is classified as a high-medium-speed wire-cut EDM machine. This category is intended to bridge the gap between traditional high-speed WEDM equipment and low-speed precision wire EDM systems. Traditional high-speed machines are often valued for their comparatively simple operation, low initial cost, and suitability for rough cutting. However, they may provide limited surface quality, less flexible finishing capability, and reduced control when a workpiece requires multiple cutting passes. Low-speed wire EDM machines can deliver excellent surface quality and high precision, but their acquisition cost, maintenance requirements, and operating costs may be considerably higher. The DK45BC offers an alternative by combining a reusable wire-feed arrangement with variable-speed control and multi-pass machining. The first pass can emphasize material removal, while later passes can be configured for improved accuracy and surface finish. This positioning creates several practical benefits for manufacturers: First, the DK45BC can process relatively large and heavy workpieces while maintaining a stable working platform. The maximum worktable load is 400 kg, making it suitable for molds, dies, plates, tooling inserts, and mechanical components that exceed the capacity of smaller machines. Second, the machine provides a generous 450 mm by 600 mm X/Y travel range. The corresponding worktable size is approximately 650 mm by 926 mm, while the processing slot size is approximately 650 mm by 970 mm. These dimensions provide useful clearance for workholding, flushing, and the positioning of medium-sized components. Third, the machine can cut workpieces up to 450 mm thick. This capability is important for thick mold bases, heavy tooling, hardened steel blocks, and other components where conventional milling or sawing may be difficult, inefficient, or unable to produce the required profile. Fourth, the DK45BC can achieve a maximum cutting efficiency in the range of 10,000 to 16,000 mm²/h, depending on the control cabinet configuration, workpiece material, thickness, cutting geometry, and selected process parameters. This gives production departments flexibility when balancing roughing speed, wire consumption, accuracy, and surface finish. Finally, the machine supports taper cutting through U/V-axis movement. Its standard taper device provides a U/V travel of 60 mm by 60 mm and a maximum taper specification of approximately ±6° over 80 mm, subject to actual workpiece conditions and process setup. Optional large-taper configurations can be discussed for applications that require substantially greater angular movement. 2. Structural Design for Stability and Heavy Workpieces Precision in WEDM depends not only on the CNC controller and electrical power supply but also on the mechanical stability of the complete machine. The cutting wire follows a programmed path under controlled tension while the worktable moves through a liquid-filled cutting zone. Any unwanted vibration, deformation, thermal drift, or guide movement can affect dimensional accuracy and surface quality. The DK45BC is designed around a rigid machine structure intended to support heavy workpieces and repeated reciprocating wire motion. The high-strength cast iron base provides a stable foundation for the worktable, wire frame, guide components, and drive system. The company applies aging treatment during manufacturing to reduce internal stress in the casting. Stress reduction is important because residual stress can gradually influence geometric stability during long-term operation. A rigid base also helps reduce the effect of external vibration. In a production environment, neighboring machine tools, crane movement, floor vibration, and pump operation can all introduce disturbances. The heavier and more stable the machine structure, the less likely these disturbances are to be transferred directly into the cutting trajectory. The worktable is designed to support loads of up to 400 kg. This capacity allows users to mount substantial components without relying on improvised support arrangements. Proper support is particularly important when cutting thick parts, because the workpiece must remain stable throughout the process. A stable workpiece reduces the risk of profile deviation, vibration marks, wire deflection, and inconsistent flushing conditions. High-precision linear guide rails are used as a standard configuration. Compared with conventional sliding guide systems, linear guides can provide lower friction, smoother movement, and more consistent positioning behavior. They also contribute to long-term repeatability when properly lubricated and protected from conductive debris and contaminated working fluid. An optional linear scale feedback system can further improve position monitoring. Linear scales measure actual table movement rather than relying only on motor rotation and screw movement. This option can be valuable for customers working with tight tolerances, temperature variation, extended cutting cycles, or demanding mold applications. Mechanical Benefits Compared with Basic High-Speed Machines Many basic high-speed WEDM machines use simpler sliding guide arrangements and less sophisticated feedback systems. Such machines can be effective for general rough cutting, but their motion behavior may be less suitable for precision finishing. The DK45BC is designed to provide greater mechanical consistency through linear guide support, optional scale feedback, rigid casting, and multi-pass capability. The difference is particularly noticeable when the workpiece contains long straight edges, narrow slots, small radii, deep profiles, or complex internal contours. In these situations, small fluctuations in wire movement or worktable positioning can accumulate into visible profile errors. A more rigid mechanical system helps the controller maintain the programmed trajectory. The DK45BC also provides an electric Z-axis lifting system. This enables adjustment of the guide frame and working height for different workpiece thicknesses and setup requirements. Correct upper and lower guide positioning is essential for maintaining wire alignment and flushing performance. 3. Wire Feed and Cutting Process The wire-feed system is one of the most important differences between a high-medium-speed WEDM machine and a conventional single-pass high-speed machine. The DK45BC uses an electrode wire diameter of approximately 0.18 mm with a wire-guiding device. The wire-feed speed can be adjusted from approximately 1 to 11 m/s through frequency control, allowing the process to be adapted to material type, thickness, cutting stage, and required surface condition. The system provides a maximum wire storage length of approximately 350 m and a maximum travel size of the wire drum of approximately 180 mm. These specifications support continuous operation while allowing the operator to manage wire circulation and cutting conditions effectively. During rough cutting, a higher wire-feed speed and more aggressive electrical parameters may be selected to maximize material removal. During finishing passes, the machine can use lower and more controlled wire movement, reduced discharge energy, and adjusted flushing conditions to improve surface quality and dimensional control. Multi-pass cutting is particularly valuable for mold and die manufacturers. A typical process may include a roughing pass, one or more semi-finishing passes, and a final finishing pass. The roughing pass removes most of the material efficiently. Later passes correct the profile, reduce the effects of wire lag, and improve the surface texture. This approach offers an important advantage over machines designed mainly for single-pass cutting. Rather than requiring a separate finishing process or accepting a rougher surface, users can complete more of the profile work on the same machine. The exact number of passes depends on material, thickness, geometry, tolerance, and surface finish requirements. The machine's optimized wire-feed arrangement also helps maintain steady cutting performance. Stable wire movement reduces unwanted vibration and supports a more consistent discharge gap. A stable gap is essential because WEDM removes material through controlled electrical discharges between the wire and the conductive workpiece. If the gap becomes unstable, the machine may experience wire breakage, short circuits, uneven removal, or poor surface quality. Control of Thick-Workpiece Cutting Thick workpieces create special challenges. The wire must travel through a long cutting channel, and the flushing system must remove eroded particles from the gap. Wire deflection and lag can also become more significant as thickness increases. The DK45BC addresses these requirements through controlled wire motion, upper and lower water flow, electrical parameter adjustment, and multi-pass compensation strategies. For workpieces near the maximum thickness limit, the operator should select suitable flushing pressure, discharge energy, feed rate, wire tension, and cutting speed. The actual achievable speed will depend on the material's electrical conductivity, melting behavior, thickness, profile complexity, and required finish. Maximum published efficiency should therefore be understood as an operating range rather than a guaranteed result for every application. The machine is intended to process electrically conductive materials. Common applications include tool steels, stainless steels, hardened steels, cemented carbide, copper alloys, aluminum alloys, titanium alloys, and selected high-temperature alloys. Material hardness does not prevent EDM cutting, because the process does not depend on conventional mechanical hardness. However, conductivity, thermal properties, thickness, and required finish influence the cutting parameters. 4. CNC Control and Intelligent Process Management The DK45BC uses the X8/AUTOCUT programming and control system, with the ZHZK-03 control cabinet specified as standard and the ZHZ-09G available as an option. The control system coordinates the X, Y, U, and V axes, manages wire-feed behavior, controls discharge parameters, and supports the programming of straight, curved, tapered, and multi-pass profiles. Four-axis linkage allows the machine to coordinate table movement with U/V taper movement. This is required when the upper and lower contours are different or when a tapered profile must be generated through the thickness of the workpiece. The system can be configured for a wide range of profile geometries, including dies, punches, inserts, slots, gears, precision plates, and complex mechanical contours. A graphical programming interface can reduce the need for manual numerical-code entry. Depending on the selected software configuration, operators can import CAD geometry, define cutting contours, establish lead-in and lead-out conditions, set offsets, and assign cutting passes. This reduces programming time and helps minimize the risk of manual coordinate errors. Auto edge-finding and centering functions can also simplify setup. These functions help operators locate the workpiece, establish a reference position, and align the programmed geometry with the actual component. Faster setup is valuable in job shops and medium-batch production, where many different part numbers may be processed during a working week. Real-time discharge monitoring is another important control function. The controller can monitor the electrical condition of the discharge gap and adjust feed behavior when cutting conditions change. If the gap becomes unstable because of debris, geometry, insufficient flushing, or an unsuitable feed rate, adaptive control can reduce the risk of wire breakage and surface damage. Multi-pass profiles can be stored as standardized process routines. This helps a production department establish repeatable methods for common materials and thicknesses. Experienced process engineers can build parameter libraries for tool steels, stainless steels, carbide, aluminum, copper alloys, and other conductive materials. Once validated, these routines can reduce trial-cutting time for future jobs. Control Cabinet Options The standard ZHZK-03 control cabinet is suitable for general DK45BC operation. The optional ZHZ-09G cabinet can be selected when a customer requires additional control functions, process flexibility, or integration features. The specific choice should be based on the required cutting efficiency, programming workflow, communications needs, and application complexity. The maximum processing current is specified at 6 A, while the electrical capacity is approximately 2.5 KVA. The standard power supply is 3N 380 V with a tolerance of approximately ±10 percent. Before installation, the customer should verify local electrical requirements, grounding conditions, phase balance, and protection devices. USB and LAN connectivity can support the transfer of programs between the CNC system and engineering or CAM workstations. This is useful for production environments where multiple machines share a centralized library of approved cutting programs. 5. Accuracy, Surface Quality, and Finishing Performance Accuracy in wire EDM is influenced by machine geometry, guide alignment, ball screw condition, linear guide performance, wire tension, thermal stability, workpiece stress, flushing, electrical parameters, and programming compensation. The DK45BC is manufactured to meet the GB/T 7926-2015 standard for wire-cut EDM machine performance and accuracy. Published technical information for the DK-BC series indicates linear positioning accuracy of approximately 0.002 mm under specified test conditions. Actual production accuracy depends on the workpiece, environmental conditions, machine setup, maintenance condition, cutting strategy, and measurement method. For the most demanding applications, an optional glass-scale feedback system can be considered. The standard machine can achieve a best surface roughness of approximately Ra ≤ 2.5 μm under suitable cutting conditions. Additional finishing passes and optimized electrical parameters may produce finer surface results. Some application data for the DK-BC series indicates surface quality approaching Ra 0.8 to 1.2 μm under suitable multi-pass conditions. Users should confirm the required result through a sample cutting test when surface finish is critical. The main process advantage of multi-pass cutting is that different passes can serve different purposes. The roughing pass focuses on removal rate. The semi-finishing pass corrects the profile and reduces the remaining cutting allowance. The finishing pass reduces discharge energy and improves surface texture. A final skim pass may be used when the application requires enhanced dimensional consistency or a more uniform surface. Compared with a basic single-pass high-speed wire machine, the DK45BC provides greater flexibility for precision mold work and finished components. Compared with a low-speed wire machine, it can offer a more economical operating model through reusable wire-feed operation, lower consumable costs, and a simpler production setup. Factors Affecting Final Accuracy Operators should recognize that published accuracy values are not independent of operating conditions. A long workpiece may experience thermal expansion during an extended cut. A thick workpiece may cause wire lag. Improper flushing can result in unstable discharge. Workpiece residual stress may cause profile movement after material is removed. Incorrect wire alignment can produce taper or dimensional error. For this reason, high-precision production should include proper leveling, guide alignment, wire condition checks, dielectric maintenance, temperature management, and verification cutting. The optional linear scale system may be especially useful when production tolerances are tight or when the machine operates in a workshop with variable ambient temperature. 6. Water Management, Flushing, and Environmental Design Efficient flushing is essential for WEDM. During cutting, the electrical discharge removes small particles from the workpiece. These particles must be carried away from the cutting gap. If debris accumulates, it can cause secondary discharges, unstable current, wire breakage, poor surface quality, and slower cutting. The DK45BC can be equipped with a high-pressure water tank as an option. A high-pressure flushing system helps direct working fluid toward the upper and lower portions of the cutting zone. This is particularly useful for thick workpieces, deep slots, narrow cavities, and profiles where debris removal is difficult. The machine is also designed with an eco-friendly waterproof cover. The cover helps contain the working fluid, protect surrounding components, and maintain a cleaner production environment. Proper sealing and water management also reduce the risk of contamination reaching the guide rails, screws, electrical elements, and floor area around the machine. Water quality and filtration should be treated as part of the process rather than as a secondary maintenance issue. The working fluid should be filtered and monitored regularly. Conductivity, contamination level, tank cleanliness, pump condition, and filter status can all influence cutting stability. If the machine is operated continuously, a scheduled cleaning and filtration program will help maintain predictable performance. The company emphasizes the use of cooling and filtration circulation systems to extend working-fluid service life and maintain stable discharge conditions. For overseas installations, the actual water-treatment configuration may be adapted to local water quality, ambient temperature, production volume, and customer process requirements. 7. Manufacturing Strengths and Quality Assurance The performance of a WEDM machine depends heavily on how consistently it is manufactured. A machine may have an attractive specification sheet, but long-term value depends on casting quality, machining accuracy, assembly control, electrical testing, geometric inspection, software integration, and service support. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has developed its business around wire-cut EDM technology and related special processing equipment. The company maintains processing equipment, testing methods, and product development capabilities intended to support the production of complete machine tools rather than relying solely on external assembly. The company states that its products are manufactured according to national standards and that each machine undergoes positioning accuracy testing. This testing approach is important because it helps identify mechanical or control inconsistencies before shipment. Factory inspection can include geometric accuracy verification, axis movement checks, guide alignment, electrical testing, test cutting, and confirmation of basic operating functions. Castings and Stress Control Machine tool castings must remain stable over time. Extended aging treatment helps reduce internal stress generated during casting and cooling. If residual stress is not adequately controlled, the casting may gradually deform, affecting guide alignment and worktable geometry. A stable cast structure provides a stronger foundation for precision assembly. After casting and aging, critical surfaces require accurate machining. Guide mounting surfaces, table reference surfaces, and structural interfaces must be produced to suitable geometric tolerances. Assembly technicians then align guide rails, screws, wire frames, and guide wheels so that the wire path remains consistent across the working envelope. Electrical and Process Integration The DK45BC is not simply a mechanical platform with an added controller. Mechanical movement, wire feeding, discharge power, flushing, taper control, and software compensation must work together. A change in wire speed may require a corresponding change in electrical parameters. A thick workpiece may require different flushing and feed conditions. A finishing pass may require a lower energy level and different compensation values. Integrating these functions at the manufacturing stage allows the company to refine the relationship between machine hardware and control software. It also makes it easier to develop application parameters for different material groups and cutting conditions. Factory Testing and Shipment Preparation Before shipment, the machine can undergo stress testing, geometric precision verification, and test cutting. Test cutting is valuable because it checks the complete system under working conditions rather than evaluating individual components in isolation. For international delivery, anti-vibration and moisture-resistant packaging are important. The DK45BC is shipped fully assembled and calibrated for standard delivery arrangements. After arrival, the customer generally needs to complete positioning, leveling, electrical connection, working-fluid preparation, and final installation checks. The actual commissioning requirements depend on the shipping method, local regulations, and site conditions. The company's experience serving customers in Southeast Asia, West Asia, Europe, the Americas, and other regions supports the development of practical export procedures. Different countries may have different power standards, factory conditions, certification expectations, and operator training needs. Technical support should therefore be adapted to the destination market. 8. Applications Across Industrial Sectors Mold and Die Manufacturing Moldmaking is one of the principal applications for the DK45BC. The machine can cut cavities, punches, inserts, slides, precision plates, ejector components, and other conductive mold parts. Its 400 kg load capacity and 450 mm maximum cutting thickness make it suitable for medium-sized molds and thick steel components. Complex profiles can be programmed from CAD data and processed through roughing and finishing passes. Taper cutting is useful for extrusion dies, punching dies, forming tools, and profiles that require different upper and lower dimensions. Multi-pass cutting can improve the edge condition and reduce the need for manual finishing. Automotive Tooling and Components Automotive manufacturing uses many hardened and conductive components, including stamping dies, trimming tools, forming inserts, precision plates, and specialized tooling. These parts often require repeatable profiles, controlled edge quality, and the ability to process hardened materials without softening or annealing them. The DK45BC can support prototype production, replacement tooling, maintenance work, and medium-batch manufacture. The machine's worktable size is suitable for many automotive tooling components while remaining more compact than a heavy extra-large WEDM system. Aerospace and High-Performance Engineering Aerospace components often require complex contours, difficult-to-machine materials, and high dimensional control. Electrically conductive titanium alloys, nickel-based alloys, stainless steels, and hardened materials can be processed by EDM when conventional cutting methods are inefficient or cause excessive tool wear. For aerospace-related work, process validation, measurement, documentation, and material-specific parameters are particularly important. The DK45BC can provide a useful platform for production support, tooling, fixtures, and selected component profiles, subject to the customer's qualification procedures. Toolmaking and General Precision Engineering Toolmakers can use the DK45BC for cutting punches, dies, electrodes, guide components, templates, keyways, narrow slots, and precision mechanical profiles. Because EDM cutting is not limited by conventional cutter hardness, it can process hardened steel and carbide components after heat treatment. General engineering companies may also use the machine for repair work, obsolete-part reproduction, prototype development, and small- to medium-batch production. The programmable nature of the system allows the same machine to handle a wide range of geometries without dedicated mechanical tooling. 9. Comparison with Other WEDM Categories The DK45BC should be compared with competing equipment according to application requirements rather than purchase price alone. Different WEDM categories serve different production strategies. FeatureDK45BC High-Medium-Speed WEDMBasic High-Speed WEDMLow-Speed Precision WEDM Primary strengthBalanced capacity, efficiency, and finishingEconomical rough cuttingHigh-end precision and surface quality Wire operationAdjustable feed with multi-pass capabilityGenerally optimized for simpler cutting cyclesFine wire management with single-use wire Guide systemLinear guides as standardOften sliding guides or simpler arrangementsPrecision guide and advanced feedback systems Maximum DK45BC load reference400 kgDepends on modelDepends on model Maximum DK45BC thickness reference450 mmDepends on modelDepends on model Finishing methodRough, semi-finish, and finish passesPrimarily rough or general-purpose cuttingHighly refined finishing cycles Operating cost profileModerate and suitable for repeated productionGenerally economicalTypically higher due to wire and system costs Best applicationMedium molds, tooling, thick parts, precision productionBlanking, rough profiles, cost-sensitive workUltra-precision and premium surface requirements Compared with a basic high-speed WEDM machine, the DK45BC offers more advanced finishing potential, linear guide support, four-axis taper control, and a more flexible wire-feed process. It is therefore better suited to users who need both productivity and an improved final surface. Compared with premium imported low-speed WEDM brands, the DK45BC can provide a more accessible investment model and lower consumable costs while still supporting multi-pass precision machining. It may be particularly attractive to manufacturers that need a reliable production machine but do not require the highest possible level of automation or ultra-fine tolerance control on every job. 10. Selecting the Correct Model in the DK-BC Family The DK45BC is part of a model range that includes the DK35BC, DK50BC, and DK60BC. The correct selection should be based on workpiece dimensions, weight, thickness, production volume, and future capacity requirements. ModelX/Y TravelMaximum ThicknessMaximum LoadTypical Application DK35BC350 × 450 mm450 mm300 kgSmall-to-medium precision parts and molds DK45BC450 × 600 mm450 mm400 kgMedium molds, automotive tooling, heavy components DK50BC500 × 700 mm650 mm600 kgLarge molds and thicker workpieces DK60BC600 × 800 mm800 mm800 kgExtra-large molds and heavy industrial parts The DK35BC may be sufficient when the majority of parts are compact and the workload is below 300 kg. The DK45BC is a strong choice when the customer needs additional table space and a 400 kg load rating without moving to a much larger machine footprint. The DK50BC or DK60BC is more appropriate for parts that frequently exceed 400 mm in thickness or require substantially greater load capacity. Customers should allow additional room around the machine for maintenance, workpiece loading, water system access, electrical connections, and operator movement. The DK45BC host dimensions are approximately 1915 mm by 1655 mm by 1830 mm, and the total installation area will be larger after allowing for auxiliary equipment and service clearance. 11. Customization and Optional Configurations Different manufacturing environments may require different combinations of travel, feedback, control, taper, and automation functions. The DK45BC can be configured with several optional features. A high-pressure water tank can improve flushing for thick workpieces and difficult geometries. A linear scale system can provide direct position feedback and support tighter accuracy requirements. AC servo drives for the X/Y axes can be selected when the customer requires enhanced dynamic response, smoother acceleration, or closed-loop drive behavior. The ZHZ-09G control cabinet is available as an alternative control configuration. Additional control options may be discussed for customers who require specialized programming, communications, process monitoring, or automation functions. For large-taper applications, the machine can be evaluated for a reinforced wire-frame or DKD-style configuration. Standard taper capacity should not be confused with optional extreme-angle capacity. Applications requiring angles up to approximately ±30° require engineering review because wire-frame rigidity, guide clearance, flushing, and software compensation all become more demanding. Automatic wire threading can reduce operator intervention in multi-cavity production or in jobs where wire breakage recovery is frequent. A rotary table or C-axis configuration may be considered for selected cylindrical, spiral, or specialized four-axis applications, subject to feasibility review. Certification packages such as CE or UL-related documentation may also be discussed for specific export markets. Certification requirements vary by destination and by the final machine configuration, so customers should state their regulatory requirements before ordering. 12. Operating Costs, Maintenance, and Service Support The total cost of ownership includes the machine price, installation, energy, wire, guide components, filters, working fluid, labor, maintenance, and downtime. One of the DK45BC's practical advantages is the potential for controlled running costs compared with premium imported low-speed WEDM systems. Typical consumables include approximately 0.18 mm molybdenum wire, guide wheels, upper and lower guide nozzles, water-based dielectric fluid, filters, and ion-exchange resin where applicable. Actual lifespan depends on cutting hours, workpiece material, wire tension, fluid quality, electrical settings, and maintenance practice. Guide wheels and wire guides should be inspected regularly for wear, grooves, contamination, or damage. Worn guide components can affect wire alignment and cause taper, dimensional error, vibration, or wire breakage. Working fluid should be maintained at a suitable cleanliness and conductivity level, while pumps and filters should be checked according to the operating schedule. The company provides technical support for equipment commissioning, operation, process parameters, troubleshooting, spare parts, and maintenance. A 12-month warranty from the date of shipment is stated for the DK-BC series, subject to the applicable sales agreement and warranty conditions. Critical spare parts can be arranged through express delivery, and remote technical support can be provided through video communication platforms. Training is an important part of successful installation. Operators should be trained in CAD or program import, workpiece alignment, wire threading, guide adjustment, flushing setup, parameter selection, offset management, taper programming, daily cleaning, and emergency procedures. Basic CNC experience can shorten the learning curve, but operator training remains essential for safe and consistent results. 13. Installation and Workshop Requirements The DK45BC is designed for general industrial workshop environments. A temperature range of approximately 5°C to 40°C is indicated for normal operation, provided that the machine is protected from direct sunlight, excessive humidity, severe dust, corrosive chemicals, and unstable electrical conditions. For the highest precision work, a temperature-controlled room is recommended. Temperature control is particularly valuable when tolerances are very tight, cutting cycles are long, or workpieces have large thermal mass. The machine should be placed on a suitable foundation capable of supporting its approximately 1,400 kg machine weight together with the workpiece and auxiliary equipment. Installation should include careful leveling and alignment. The electrical supply must meet the specified three-phase 380 V requirement or an approved local equivalent. Proper grounding, overcurrent protection, phase sequencing, and emergency-stop verification should be completed before production operation. Water and drainage arrangements should be planned in advance. The customer should ensure that the working area has enough space for filling, cleaning, filter replacement, pump maintenance, and removal of cutting debris. Good housekeeping helps prevent contamination from entering the guide system and reduces slip hazards around the machine. 14. Recommended Production Workflow A disciplined production workflow can help users obtain the full benefit of the DK45BC. The first stage is workpiece review. The operator should confirm that the material is electrically conductive, identify the workpiece dimensions and weight, and check that the profile fits within the X/Y travel, thickness, and taper limits. The second stage is fixture planning. The workpiece should be supported securely while leaving sufficient clearance for the wire, upper and lower guides, and flushing flow. Heavy components should be loaded using suitable lifting equipment and should never be placed on the table beyond its rated capacity. The third stage is alignment and reference setting. Edge-finding or centering functions can help establish the work coordinate system. The operator should verify the programmed origin, contour direction, lead-in position, and offset values before starting the cut. The fourth stage is parameter selection. The material, thickness, roughing allowance, required finish, and cutting geometry should be used to select wire speed, discharge energy, feed rate, flushing level, and pass strategy. Existing validated parameter libraries can reduce setup time. The fifth stage is rough cutting. The roughing pass should remove material efficiently while preserving a suitable allowance for later passes. Operators should monitor current, gap stability, wire behavior, water flow, and cutting progress. The sixth stage is finishing. Semi-finishing and finishing passes should be selected according to the required tolerance and surface quality. Lower energy and optimized offsets can improve the final result. If the workpiece contains high residual stress, a staged cutting strategy may reduce deformation risk. The final stage is inspection and maintenance. The finished component should be measured using suitable inspection equipment. The operator should then clean the work area, check the wire path, inspect guides and nozzles, and record any process observations for future jobs. 15. Frequently Asked Questions Q1. What type of production is the DK45BC best suited for? The DK45BC is best suited for medium-sized and relatively heavy conductive components that require a combination of cutting efficiency, dimensional control, and finishing capability. Typical work includes medium molds, automotive tooling, hardened mechanical parts, thick plates, punches, dies, and precision inserts. Q2. What is the maximum workpiece load? The maximum worktable load is specified at 400 kg. The workpiece, fixture, support plates, and any additional mounted components must be considered together when calculating the actual load. Proper load distribution is also important for maintaining table stability. Q3. What are the DK45BC worktable travel and size? The X/Y travel is approximately 450 mm by 600 mm. The worktable size is approximately 650 mm by 926 mm, and the processing slot size is approximately 650 mm by 970 mm. Actual usable space depends on the workholding method and required flushing clearance. Q4. Can the DK45BC cut very thick material? Yes. The maximum cutting thickness is specified at 450 mm. Cutting speed and finish will vary according to material, geometry, flushing, and process parameters. For workpieces regularly exceeding 400 mm, the larger DK50BC or DK60BC models may provide greater capacity and a more comfortable operating margin. Q5. Can the machine cut hardened steel and carbide? Yes. WEDM can process electrically conductive materials regardless of conventional hardness. Tool steels, stainless steels, cemented carbide, copper alloys, aluminum alloys, titanium alloys, and selected high-temperature alloys can be considered. Electrical conductivity, thermal properties, thickness, and required finish determine the suitable cutting parameters. Q6. What is the maximum taper capability? The standard taper device provides U/V travel of approximately 60 mm by 60 mm and a maximum cutting taper of approximately ±6° over 80 mm. Larger angles may be available through an optional large-taper configuration. Customers should provide the workpiece thickness, required angle, upper and lower contour information, and production volume for engineering confirmation. Q7. How does the DK45BC compare with a conventional high-speed WEDM machine? The DK45BC provides adjustable wire-feed control, linear guide support, four-axis taper movement, and multi-pass cutting. These functions make it better suited to precision finishing and complex tooling than a basic machine designed mainly for single-pass rough cutting. Q8. How does it compare with a premium low-speed WEDM machine? The DK45BC is intended to offer a more economical balance between performance and investment. It can provide multi-pass precision cutting and good surface quality while using a reusable wire-feed system and a comparatively accessible machine configuration. A premium low-speed machine may still be preferable for extreme precision, advanced automation, or the most demanding surface-finish specifications. Q9. Is a temperature-controlled room required? A temperature-controlled room is not generally required for normal workshop operation within the recommended environmental range. However, temperature control is advisable for tolerances below approximately ±3 μm, very long cutting cycles, or applications involving significant thermal sensitivity. Optional linear scale feedback may also be considered for such work. Q10. What control system is supplied? The machine uses the X8/AUTOCUT programming and control system. The standard control cabinet is the ZHZK-03, while the ZHZ-09G is available as an option. The system supports X, Y, U, and V axis coordination, multi-pass programming, and process control functions. Q11. Can the machine import CAD drawings? The control configuration can support graphical programming and CAD-based geometry transfer, depending on the software package and file format. Customers should confirm required DXF, DWG, CAM, USB, LAN, and post-processing functions before ordering. Q12. What options are available? Options include a high-pressure water tank, linear scale feedback, AC servo drives for the X/Y axes, upgraded control cabinets, large-taper configurations, automatic wire threading, rotary table systems, and certification packages for selected markets. Custom travel and worktable dimensions may also be evaluated. Q13. What warranty and technical support are provided? The stated warranty for the DK-BC series is 12 months from shipment, subject to the sales contract. The company also provides remote technical assistance, commissioning guidance, operating support, spare-parts coordination, and process advice for customers in international markets. Q14. How is the machine shipped? The DK45BC is shipped fully assembled, calibrated, and test-cut at the factory under standard delivery arrangements. Sea freight and rail freight options may be available depending on destination. Transit time varies by port, route, customs procedure, and shipping method. Final installation normally includes leveling, power connection, working-fluid preparation, and commissioning checks. Q15. What information should a customer provide when requesting a quotation? The customer should provide the material type, workpiece length, width, thickness, weight, required tolerance, target surface finish, taper angle, expected production volume, local electrical standard, preferred control cabinet, desired options, destination country, and any certification requirements. A drawing or sample component is useful for process evaluation. 16. Overall Evaluation The DK45BC CNC Medium-Speed Wire EDM Machine is designed for manufacturers that require more than basic high-speed rough cutting but want a practical and cost-conscious alternative to premium low-speed WEDM equipment. Its main strengths are the 400 kg worktable capacity, 450 mm maximum cutting thickness, 450 mm by 600 mm X/Y travel, linear guide support, four-axis linkage, adjustable wire-feed speed, multi-pass cutting capability, and flexible control cabinet options. Its value is further supported by the manufacturing capabilities of Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. The company's long-term specialization in wire-cut EDM, focus on castings and structural stability, positioning accuracy testing, factory test cutting, international packaging, process support, and model-family approach provide a foundation for long-term industrial use. For moldmakers, automotive tooling suppliers, general precision manufacturers, and heavy-component processors, the DK45BC offers a balanced combination of capacity and precision. It can handle workpieces that are too large for compact machines while avoiding the cost and footprint of an extra-large system. Its multi-pass process improves the opportunity to achieve a refined surface without immediately moving the workpiece to a separate finishing machine. Customers should select the machine according to actual workpiece dimensions, material, thickness, load, tolerance, and production strategy. Where the application requires extreme taper, very tight tolerances, automatic wire threading, advanced feedback, or unusual workholding, the appropriate options should be agreed during the technical review stage. When correctly installed, maintained, and operated with suitable process parameters, the DK45BC can serve as a dependable production platform for precision wire erosion, mold processing, tooling manufacture, and complex conductive component cutting. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK45BC CNC Medium-Speed Wire EDM Machine Technical Information. 2. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK-BC Series Worktable, Taper Device, Wire Feed, and Electrical System Specifications. 3. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., Product Information for PS-C, DK-BC, DK-77, and DKD Wire-Cut EDM Series. 4. GB/T 7926-2015, Test Conditions and Accuracy Requirements for Wire-Cut Electrical Discharge Machine Tools. 5. General principles of electrical discharge machining, wire electrode control, flushing, multi-pass cutting, and CNC motion compensation. 6. Manufacturer-provided information regarding machine assembly, positioning accuracy testing, factory calibration, international shipment preparation, and technical support. Product: DK45BC CNC Medium-Speed Wire EDM Machine (400kg Load) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-09-26
DK60BC CNC Medium-Speed Wire EDM Machine for Oversized, High-Precision Workpieces
Wire Electrical Discharge Machining, commonly known as WEDM, has become an essential technology for manufacturing hardened steels, carbide, titanium alloys, intricate molds, and other electrically conductive materials. As workpieces become larger, thicker, and more complex, manufacturers require more than basic wire-cutting capability. They need a machine with sufficient working area, strong load capacity, stable wire control, reliable flushing, accurate motion, efficient cutting, and an intelligent control system that can deliver repeatable results over long production cycles. The DK60BC CNC Medium-Speed Wire EDM Machine is designed for precisely these demanding applications. As the largest model in the DK-BC high-medium-speed WEDM series, it combines a large work envelope with a maximum cutting thickness of 800 mm and a maximum worktable load of 800 kg. Its 600 × 800 mm X/Y travel, reinforced mechanical structure, four-axis linkage, multi-cut capability, and X8/AUTOCUT control system make it suitable for oversized molds, heavy mechanical components, aerospace parts, and other precision workpieces that exceed the practical capacity of smaller wire-cut EDM machines. Manufactured by Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., the DK60BC reflects the company’s long-term specialization in electrical discharge wire cutting. Since 1999, the company has focused on wire-cutting technology, equipment development, manufacturing, and process improvement. Its production philosophy combines traditional mechanical manufacturing experience with modern CNC control, precision transmission, adaptive discharge technology, and systematic quality inspection. DK60BC CNC Medium-Speed Wire EDM Machine (800kg Load, 800mm Thickness) 1. A Large-Format Medium-Speed WEDM Platform The DK60BC is engineered for applications where ordinary medium-speed wire-cut machines are limited by workpiece size, weight, or thickness. Its worktable measures 840 × 1160 mm, while the X/Y axis travel reaches 600 × 800 mm. The processing slot size is approximately 860 × 1200 mm, providing a generous machining area for large molds, dies, plates, mechanical components, and complex profiles. The machine supports a maximum cutting thickness of 800 mm. This capability is especially valuable for manufacturers processing thick steel blocks, large mold bases, heavy-duty tooling, and oversized components that cannot be accommodated by conventional machines. The maximum worktable load is 800 kg, reducing the need to divide heavy workpieces into multiple setups or transfer them between different machines. A large work envelope does not automatically guarantee precision. Large machines must resist deformation, vibration, thermal drift, and transmission error. The DK60BC therefore uses a high-rigidity machine structure, reinforced support elements, precision linear guides, and carefully aligned motion components. These features help maintain stable cutting conditions when the machine is operating with a heavy workpiece and a deep cutting zone. For production departments, the main benefit is fewer compromises during setup. Operators can load a larger workpiece, reserve more space for clamping, and complete more operations without repositioning. This can improve dimensional consistency and reduce the risks associated with repeated alignment. Large Work Area and Heavy-Duty Capacity The DK60BC’s principal size and load specifications include: ParameterDK60BC Specification Worktable size840 × 1160 mm X/Y travel600 × 800 mm Processing slot size860 × 1200 mm Maximum cutting thickness800 mm Maximum worktable load800 kg U/V travel60 × 60 mm Maximum standard taper±6° / 80 mm Machine weightApproximately 2500 kg Overall machine dimensionsApproximately 2400 × 2065 × 2200 mm These specifications position the DK60BC at the top end of the DK-BC family. The DK35BC, DK45BC, and DK50BC remain useful for smaller and medium-sized workpieces, but the DK60BC provides the greatest combination of travel, thickness, and load capacity. It is the natural choice for facilities whose work frequently exceeds 400 mm in thickness or approaches the upper limit of medium-format WEDM tables. 2. Precision Cutting for Complex Industrial Components WEDM removes electrically conductive material through controlled electrical discharges between a continuously moving electrode wire and the workpiece. Since the wire does not mechanically contact the workpiece, the process can cut hardened materials without imposing conventional tool pressure. This makes it suitable for intricate contours, narrow slots, sharp internal corners, punches, dies, and components that would be difficult or uneconomical to produce using milling or sawing. The DK60BC extends these advantages to large and heavy workpieces. Its four-axis X, Y, U, and V linkage supports straight cutting as well as taper and variable-profile operations. The U/V system has a travel of 60 × 60 mm, and the standard taper capability is specified at up to ±6° per 80 mm. This enables the production of tapered punches, extrusion-related components, angled mold elements, and parts requiring different upper and lower profiles. Machine performance is specified according to GB/T 7926-2015. The published specifications identify a linear accuracy of approximately 0.005 mm and a taper accuracy of approximately 0.01 mm for the DK60BC configuration. Other DK-BC technical materials describe optional feedback and upgraded control configurations capable of positioning performance around 0.002 mm under appropriate conditions. Actual results depend on the selected control cabinet, feedback arrangement, workpiece material, thickness, cutting strategy, temperature stability, wire condition, and machine calibration. This distinction is important for responsible equipment selection. A machine’s nominal specification is only one part of the final result. Proper leveling, environmental control, wire alignment, flushing, workholding, process parameters, and periodic verification all contribute to the accuracy achieved on the shop floor. The DK60BC provides the mechanical and control foundation required for precision production, while correct process preparation allows users to obtain the best available performance. Surface Quality and Multiple-Cut Processing Medium-speed WEDM machines occupy an important position between traditional high-speed wire-cut systems and premium slow-wire EDM equipment. High-speed machines can be economical for blanking and general cutting, but a single-pass process may leave a rougher surface or require additional finishing. Slow-wire systems can provide outstanding surface quality, but they often involve higher equipment investment, wire consumption, and operating costs. The DK60BC supports multiple-cut processing. A typical production sequence may include roughing, semi-finishing, and one or more finishing passes. The roughing pass removes material efficiently, while subsequent passes correct the contour and improve surface integrity. The published best surface roughness is Ra ≤ 2.5 μm for the standard specification. With suitable materials, parameters, flushing, and finishing strategies, the medium-speed architecture can provide a surface finish closer to the requirements normally associated with more advanced finishing processes. Multiple-cut technology also reduces the burden on downstream polishing and fitting. For precision molds and dies, this may shorten manual finishing time and improve the consistency of mating surfaces. It can also preserve small details and reduce the risk of over-polishing sharp edges or fine geometry. 3. Mechanical Structure and Long-Term Stability Large-format wire EDM machines must maintain geometric accuracy over a greater physical span than compact machines. The machine bed, column, table, guide rails, screw drives, wire frame, and tank structure all influence cutting performance. Any small deformation or vibration can become more noticeable when cutting a thick workpiece or when producing a large profile that must remain consistent over its full length. The DK60BC uses a reinforced cast structure designed to provide high rigidity and vibration resistance. The company’s manufacturing approach includes long-duration aging treatment for castings. Aging helps reduce internal stress in the material and improves dimensional stability after machining. This is particularly important for a large machine that may carry substantial workpiece loads for extended periods. The machine’s reinforced ribbing and high-strength resin-sand casting design help damp machining vibration and support long-term geometric accuracy. A stable foundation benefits not only straightness and squareness but also the repeatability of finishing passes. When the machine is used for large molds or thick components, structural stability becomes a direct contributor to the quality of the finished contour. Precision Transmission and Linear Guidance The DK60BC uses high-precision linear guide support for the main table movement. Compared with sliding guide systems, linear guides generally offer lower friction, smoother movement, and improved positioning response when properly installed and maintained. They are also well suited to CNC interpolation, where coordinated movement between the X and Y axes is necessary to generate accurate curves and profiles. The transmission chain is optimized to reduce mechanical lag and backlash-related effects. Smooth movement is particularly important when the electrode wire changes direction, follows a small radius, or transitions between roughing and finishing paths. The machine must respond consistently to commanded motion while maintaining a stable wire position relative to the workpiece. Optional linear scale feedback can be specified for applications requiring enhanced position verification. Closed-loop feedback can help compensate for certain positioning deviations, although the final result still depends on mechanical condition, temperature, calibration, and operating practices. For customers producing high-value molds or components with tight tolerances, this option can provide an additional level of process control. 4. Adaptive Pulse Power and Discharge Management The discharge power supply is one of the most important systems in any EDM machine. Cutting efficiency, wire stability, surface quality, recast layer, heat-affected condition, and wire-break frequency are all influenced by the way electrical energy is delivered to the gap. The DK60BC uses an adaptive pulse power approach designed to monitor discharge conditions in real time. The controller can adjust the energy of individual pulses according to the state of the machining gap. When the gap is stable and debris evacuation is effective, the system can maintain productive cutting. When the gap becomes unstable, the control logic can adjust feed behavior and discharge conditions to reduce the possibility of wire breakage or surface damage. During rough cutting, higher-energy pulses can prioritize material removal and cutting efficiency. During finishing, lower-energy micro-pulses help reduce the thickness of the recast layer and improve surface condition. This division between roughing and finishing is essential for large precision components, where the machine must remove a significant volume of material while still meeting final dimensional and surface requirements. The maximum cutting efficiency is specified at approximately 10,000 to 16,000 mm²/h. Actual efficiency varies according to material conductivity, melting point, thickness, workpiece condition, flushing, wire speed, cutting profile, and the selected control cabinet. The DK60BC is therefore suitable for both high-volume blanking and precision contour production, provided the process parameters are matched to the application. Stable Cutting in Thick Workpieces Thick cutting introduces several challenges. Debris must travel a long distance out of the kerf, flushing pressure must reach the cutting zone, and the wire can experience greater deflection or lag as it passes through the material. Heat distribution and discharge stability may also vary between the upper, middle, and lower portions of the workpiece. The DK60BC addresses these conditions through a combination of reinforced wire-frame construction, high-precision wire guides, controlled wire tension, high-pressure flushing options, and geometric compensation. The system is designed to maintain a stable wire path as the wire travels through deep sections. This contributes to better perpendicularity and more consistent kerf geometry. For especially thick workpieces, process planning remains essential. Operators may need to reduce cutting speed, optimize flushing, use an appropriate wire diameter, adjust pulse parameters, and confirm that the workpiece is securely supported. The company’s technical team can recommend suitable settings based on the material, thickness, contour, and required surface quality. 5. Wire Feeding, Tension, and Guide Technology The wire transport system has a direct effect on cutting accuracy. A wire that vibrates, slips, or changes tension can create stripe patterns, taper variation, poor surface finish, or dimensional errors. These effects become more pronounced during thick-workpiece machining and in areas where the contour changes rapidly. The DK60BC uses a frequency-controlled wire feed system with a wire speed range of approximately 1 to 11 m/s. The maximum wire storage length is approximately 350 m, while the maximum travel of the wire drum is 180 mm. The standard electrode wire diameter is approximately 0.18 mm with a guide device. Depending on the workpiece and process requirements, customers may consult the manufacturer regarding alternative wire diameters and application-specific settings. A constant-tension dynamic compensation concept helps suppress wire vibration and movement irregularities during reciprocating operation. Stable tension keeps the wire aligned between the upper and lower guides and supports consistent cutting during direction changes. This is particularly useful for high-precision molds where mating clearances, edge quality, and verticality must be controlled carefully. The machine can be equipped with waterproof guide wheels and easy wire-threading components to simplify preparation and maintenance. Gem water nozzles and precision guide elements help maintain a controlled working zone. Proper guide alignment and regular replacement of worn components are essential because guide wear can gradually affect accuracy even when the CNC system is functioning correctly. Flushing and Filtration Effective flushing serves several purposes. It removes eroded particles from the cutting gap, stabilizes the discharge environment, cools the process zone, and reduces the possibility of short circuits. In thick cutting, flushing becomes even more important because debris has farther to travel before leaving the kerf. The DK60BC can be configured with a high-pressure water tank. The flushing system is designed to deliver strong upper and lower fluid flow around the cutting zone. A multi-stage filtration arrangement helps maintain cleaner dielectric water and supports stable machining over longer operating periods. Clean filtration also protects pumps, valves, guide components, and the discharge system. Regular monitoring of water quality, conductivity, filter condition, and resin or deionization components helps maintain repeatable cutting performance. The machine’s production efficiency depends not only on its rated power and axis travel but also on the condition of these supporting systems. 6. Intelligent CNC Control and Operator Convenience The DK60BC is equipped with the X8/AUTOCUT programming and control system. The control architecture is designed to simplify programming, process monitoring, parameter adjustment, and multi-pass cutting. A capable control system is especially valuable when the machine is used for varied workpieces, because operators may need to switch between rough cutting, finishing, taper cutting, and complex contour operations. The system supports real-time monitoring of the cutting process and can adjust machining behavior according to discharge conditions. Adaptive feed control can help prevent unstable operation and reduce wire-break incidents. The controller is intended to provide a more responsive machining process than a basic fixed-parameter system. Depending on the configuration, customers may select the ZHZK-03 standard control cabinet or the optional ZHZ-09G cabinet. The standard electrical capacity is approximately 2.5 KVA, the maximum processing current is 6 A, and the specified power supply is 3N 380 V ±10%. Electrical requirements should be confirmed with the supplier before installation because regional power standards, grounding, protection, and cabinet configuration may differ. Programming and Process Management The control system supports graphical programming and can be used with imported geometry and optimized cutting paths. This reduces the need for extensive manual G-code preparation. Operators can define the cutting contour, select multiple-pass strategies, set taper information, and manage process parameters through the CNC interface. An integrated process database can provide starting parameters for different material groups and thickness ranges. This does not eliminate the need for skilled process judgment, but it reduces the time required to develop a stable cutting program. Experienced technicians can further refine the parameters for specific workpiece conditions, surface requirements, and production targets. Automatic edge finding and centering functions can simplify workpiece alignment. Accurate alignment is important for large molds because even a small setup error can affect the relationship between the cutting path and the workpiece reference. USB and network connectivity options can also help transfer programs between a CAM workstation and the machine controller. For new operators, an intuitive interface shortens the learning curve. The manufacturer provides operation guidance, remote technical assistance, and English-language documentation for export customers. Operators with basic CNC experience can generally learn the primary programming and operating functions within a short training period, although advanced taper and thick-workpiece applications require additional practical experience. 7. Comparison with Other Wire-Cut EDM Categories The DK60BC is positioned as a high-medium-speed WEDM machine. It should not be selected solely by comparing a single cutting-speed figure with another machine. The most suitable solution depends on the balance between cutting speed, surface quality, machine capacity, automation, wire consumption, capital cost, and the type of parts being produced. Compared with conventional high-speed wire-cut machines, the DK-BC platform offers several important advantages. Linear guide rails support smoother motion than many sliding guide systems. Multiple-cut capability improves surface finish and dimensional refinement. Adaptive discharge monitoring provides more control over wire stability. The DK60BC also offers a substantially larger cutting envelope and greater load capacity than many standard high-speed machines. High-speed wire-cut machines such as the DK-77 series may remain attractive for rough cutting, economical blanking, and high-volume operations where surface finish requirements are moderate. They can be effective when the primary objective is to remove material quickly at a lower initial investment. However, users requiring precision molds, thick sections, taper accuracy, and finishing passes may benefit from the DK-BC design. FeatureDK-BC High-Medium-Speed WEDMTypical High-Speed WEDM Guide systemPrecision linear guide supportOften sliding guide support Processing approachRoughing plus multiple finishing cutsOften single-pass or limited finishing Surface-finish potentialSuitable for precision finishing and mold workGenerally suited to general-purpose cutting Thick-workpiece capabilityDK60BC up to 800 mmDepends strongly on model and configuration Maximum DK60BC load800 kgUsually lower on comparable compact models Wire controlControlled tension and adaptive monitoringBasic to advanced, depending on configuration Best applicationPrecision molds, large dies, heavy componentsRough cutting, blanking, general production Compared with premium imported slow-wire EDM systems, the DK60BC offers a different value proposition. Slow-wire machines may provide exceptional automation and very fine finishing capability, but their purchase price, maintenance requirements, and consumable costs can be significantly higher. A medium-speed machine with multiple-cut capability can provide an attractive balance for factories that need reliable precision but must also control equipment investment and running costs. The DK60BC is therefore best understood as a high-capacity precision production platform rather than simply a faster or slower alternative. Its competitive strength lies in combining large-format machining, medium-speed operating economics, multi-pass finishing, and a heavy-duty structure in one machine. 8. Model Selection within the DK-BC Series The DK-BC family includes several models intended for different workpiece sizes and production requirements. Selecting the correct model helps avoid paying for unused capacity while ensuring that the machine is not overloaded during daily production. ModelX/Y TravelMaximum Cutting ThicknessMaximum LoadRecommended Applications DK35BC350 × 450 mm450 mm300 kgSmall precision parts, dies, electrodes, and small-batch work DK45BC450 × 600 mm450 mm400 kgMedium molds, mechanical parts, and automotive tooling DK50BC500 × 700 mm650 mm600 kgLarge molds, thick plates, and heavier components DK60BC600 × 800 mm800 mm800 kgOversized molds, aerospace parts, and heavy industrial components The DK60BC is recommended when workpieces are frequently large, heavy, or thicker than approximately 400 mm. It is also appropriate where the production department wants additional table space for clamping, reference alignment, or future workpiece growth. The DK50BC may be a more economical choice for customers whose workpieces remain within approximately 650 mm thickness and a 600 kg load. The DK45BC and DK35BC are more appropriate for smaller components and facilities with limited floor space. The choice should consider not only the largest current part but also expected future orders, lifting equipment, installation access, and available workshop area. 9. Application Areas Large-Scale Mold and Die Manufacturing Large molds often contain hardened inserts, deep cavities, narrow slots, complex profiles, and tapered features. The DK60BC can cut these components after heat treatment, reducing the need for soft machining or extensive manual correction. Its large work area and 800 kg load capacity are particularly helpful for mold bases, stamping dies, extrusion tooling, and large plastic-mold components. Multiple-pass cutting supports the production of accurate mating surfaces and detailed contours. With careful setup, the machine can reduce manual fitting and polishing while preserving the geometry of sharp edges and small features. The U/V taper system also supports applications where upper and lower profiles are intentionally different. Aerospace Component Processing Aerospace manufacturing requires stable and repeatable machining of difficult materials, including titanium alloys, nickel-based alloys, hardened steels, and other electrically conductive materials. WEDM is valuable because material hardness does not create the same cutting-force challenge found in conventional machining. The DK60BC’s adaptive discharge system and stable wire transport support the controlled machining of complex profiles and heavy sections. For aerospace production, process qualification and traceability remain essential. Users should establish documented parameters, verify material conductivity, control flushing quality, and inspect completed components with suitable measuring equipment. The DK60BC provides the required machining platform, while the customer’s quality system determines final acceptance procedures. Heavy Machinery and Industrial Components Heavy machinery manufacturers often process large plates, wear-resistant components, gears, templates, guide elements, and custom mechanical parts. These workpieces may be too heavy for compact WEDM machines or may require multiple setups when using smaller equipment. The DK60BC’s 800 kg load rating and large cutting thickness can reduce setup complexity. The machine is also suitable for replacement parts and low-volume industrial production. A manufacturer can program different profiles without producing dedicated cutting tools, making WEDM an efficient solution for customized components, repair parts, and engineering prototypes. Tool and Electrode Production Tool steels, carbide, copper alloys, and conductive tool materials can be processed by WEDM. The DK60BC can produce punches, dies, electrode blanks, wear components, and other precision tooling. Multiple cuts are useful when the finished part requires a controlled surface condition and precise dimensional matching. 10. Materials and Process Compatibility The DK60BC can process electrically conductive materials regardless of their mechanical hardness, provided suitable parameters are selected. Common materials include D2, A2, H13, and SKD11 tool steels; stainless steels such as 304, 316L, and 17-4PH; cemented carbide; titanium alloys; copper and copper alloys; aluminum alloys; nickel-based superalloys; and conductive PCD or CBN tool blanks. Material hardness itself does not prevent EDM cutting. Cutting behavior is influenced more directly by electrical conductivity, melting point, thickness, thermal characteristics, workpiece condition, and the selected discharge parameters. Materials with lower conductivity or unusual metallurgical structures may require lower cutting rates and specialized process development. Before production, the operator should verify that the workpiece is electrically continuous and securely connected to the machining circuit. Coatings, oxides, scale, and poor clamping contact can interfere with stable discharge. For thick workpieces, the workpiece should be adequately supported to prevent movement during cutting. 11. Manufacturing Strengths of the Producer The performance of a machine tool depends heavily on the manufacturing system behind it. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has developed its product range around electrical discharge machining and special processing technologies. Its experience extends across research and development, casting and mechanical production, assembly, electrical integration, testing, and after-sales service. The company operates with advanced processing equipment and comprehensive testing methods. Its product design emphasizes functional reliability, maintainability, and suitability for industrial production. The product range includes PS-C and DK77-BC medium-speed wire-cut EDM machines, DK77-A and DK77-B high-speed wire-cut EDM machines, and DK77-D large-taper wire-cut EDM machines. Full-Process Quality Control Quality control begins when components enter the factory. Incoming parts are inspected before being released for assembly. Machined surfaces, guide mounting points, transmission components, electrical assemblies, and key structural elements are checked according to production requirements. During assembly, the machine is aligned and adjusted to ensure that the table, guide system, wire frame, and cutting head work together correctly. Electrical and CNC systems are tested before the machine proceeds to final verification. This full-process approach helps identify deviations early rather than waiting until the completed machine reaches the customer. Before shipment, each machine undergoes positioning accuracy testing. The company also describes the use of laser interferometer verification for positioning and repeat positioning performance. Such testing provides a measured basis for evaluating axis behavior and supports more consistent machine-to-machine quality. Testing may also include trial cutting, electrical inspection, wire transport checks, flushing verification, and functional operation of the CNC system. A machine that has been assembled, calibrated, and test-cut before shipment can reduce installation risk for the customer. Research, Development, and Engineering Experience The company’s history in wire-cut EDM began in 1999, while the POOSN brand originated in 2003. Cooperation with CNC industry partners supported market development, and the company later established Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. with its own factory and registered capital of 60 million yuan. Its development history includes recognition for quality and reputation, high-technology enterprise status, and patent activity related to CNC machine tools. This background demonstrates a continuing effort to improve automation, mechanical design, control, and production technology. For customers, manufacturing experience provides practical value. A supplier that has worked with wire-cutting applications for many years is more likely to understand problems involving wire vibration, guide wear, thick-section flushing, taper compensation, workpiece alignment, and finishing strategies. This application knowledge can be as important as the machine’s nominal specifications. 12. Installation, Environment, and Maintenance The DK60BC is a large machine weighing approximately 2500 kg and measuring about 2400 × 2065 × 2200 mm. Before delivery, the customer should confirm floor loading, access routes, lifting equipment, electrical supply, drainage, ventilation, and service clearance. The machine should be installed on a stable foundation and leveled according to the manufacturer’s instructions. A general workshop environment may be suitable for normal operation, but temperature stability is recommended when very tight tolerances are required. Thermal variation can affect the machine structure, workpiece dimensions, wire alignment, and dielectric conditions. A temperature-controlled room is particularly beneficial for work requiring tolerances below a few micrometers or for long cutting cycles where ambient conditions may change substantially. The machine should be positioned away from strong vibration sources, excessive dust, corrosive chemicals, and direct heat. Stable electrical power and proper grounding help protect the control cabinet and improve operational reliability. Adequate ventilation is also recommended to maintain a safer and more comfortable workplace. Routine Maintenance Points Operators should inspect the wire guides, guide wheels, water nozzles, wire tension, and wire path on a regular basis. Worn or damaged guide components can affect straightness, taper accuracy, and surface finish. The dielectric system should be checked for water quality, filtration condition, pump performance, and contamination. Linear guideways and transmission components should be lubricated according to the recommended maintenance schedule. The worktable and tank should be kept clean, particularly after processing materials that generate substantial debris. Electrical connections, sensors, switches, and safety devices should also be inspected periodically. Consumable life varies according to cutting hours, material, thickness, flushing, wire tension, and operating parameters. Molybdenum wire, guide wheels, water nozzles, dielectric fluid, and ion-exchange materials should be replaced or serviced before their condition affects cutting stability. Actual replacement intervals and costs should be confirmed for the selected configuration and local operating conditions. 13. Automation and Custom Configuration Options The DK60BC can be adapted to different production requirements. Customers may select optional AC servo drives for the X/Y axes instead of standard stepper drives. Linear scale feedback can be added where additional position monitoring is required. A high-pressure water tank can improve flushing for thick or difficult workpieces. The ZHZ-09G control cabinet is available as an optional configuration. Depending on the application, customers may also discuss automatic wire threading, extended X/Y travel, large-taper wire-frame upgrades, customized control systems, rotary tables, and certification packages for specific export markets. Large-taper upgrades can support angles beyond the standard DK60BC capability. Applications involving very large taper angles, extrusion die relief, or complex upper and lower profiles should be reviewed by the engineering team before ordering. The correct mechanical wire frame, control software, compensation strategy, and workholding arrangement must be selected together. Automatic wire threading can be useful for multi-cavity molds and unmanned or lightly attended production. A rotary table may support cylindrical or spiral cutting applications, although this requires application-specific engineering. Customization is most successful when the customer provides workpiece drawings, materials, thicknesses, weight, tolerances, surface-finish targets, and expected production volumes. 14. Service, Training, and Export Support Reliable after-sales support is an important part of a machine tool purchase. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. provides technical assistance for installation, commissioning, operation, process adjustment, and maintenance. Remote support through video communication can help local technicians identify problems without waiting for an on-site visit. The company maintains spare-parts support for critical components and can arrange express shipment when required. Modular machine design allows many maintenance tasks to be carried out by trained local personnel under remote guidance. This is especially beneficial for international customers who need to reduce downtime and keep production running. Export customers can receive operation instructions and technical documentation in English. Training commonly covers machine safety, wire threading, workpiece setup, program transfer, edge finding, parameter selection, taper cutting, multiple-cut strategies, water-system maintenance, and daily inspection procedures. The standard warranty is stated as 12 months from the date of shipment. Exact warranty coverage, exclusions, commissioning arrangements, spare-parts responsibilities, and shipping conditions should be confirmed in the commercial contract before purchase. 15. Purchasing and Delivery Considerations Standard DK-BC machines can be prepared for delivery after assembly, inspection, calibration, and test cutting. The stated lead time for standard models is approximately 15 to 25 days, while custom configurations may require an additional 10 to 15 days. Actual delivery time depends on production scheduling, configuration, inspection requirements, documentation, and destination arrangements. International delivery can be arranged by full-container sea freight, less-than-container-load sea freight, or rail freight for selected regions. Typical transit times may range from approximately 25 to 50 days depending on the method and destination. The machine is shipped fully assembled and tested where logistics conditions allow. After arrival, installation generally involves positioning, leveling, utility connection, inspection, and commissioning rather than complete mechanical reassembly. Customers should plan for unloading equipment because the DK60BC weighs approximately 2500 kg. The site should have a suitable crane, forklift, or other lifting system rated for the machine and its packaging. A pre-installation checklist can prevent avoidable delays and help ensure that the machine begins operation safely. 16. Why the DK60BC Is a Competitive Choice The DK60BC competes through a combination of capacity, precision, process flexibility, and ownership value. Its strongest advantage is the ability to cut very large and heavy workpieces while retaining the benefits of medium-speed WEDM technology. A maximum thickness of 800 mm and a maximum load of 800 kg provide capabilities that are not available on many compact machines. Its second advantage is the balance between roughing and finishing. The machine can remove material at a productive rate and then perform multiple finishing passes for improved contour accuracy and surface quality. This gives manufacturers more flexibility than a basic single-pass high-speed machine while avoiding the cost structure of some premium slow-wire systems. The third advantage is structural and wire stability. Reinforced castings, linear guide support, controlled transmission, constant-tension wire management, high-pressure flushing, and adaptive pulse control work together to support stable cutting. No individual feature can guarantee perfect results, but the combined system is designed for difficult, deep, and heavy-duty machining. The fourth advantage is configuration flexibility. Customers can select control cabinets, linear scales, AC servo drives, high-pressure water systems, automatic wire threading, large-taper upgrades, and other options according to their applications. This allows the machine to be specified for practical production needs rather than forcing every customer into an identical configuration. Finally, the DK60BC is supported by a manufacturer with long-term experience in wire-cut EDM, in-house quality control, testing capability, export experience, and technical support. For buyers comparing machine tools, the ability to obtain process assistance and spare parts over the equipment’s service life can be as important as the initial purchase price. 17. Frequently Asked Questions Q1: What type of production is the DK60BC designed for? The DK60BC is designed for large-format precision wire cutting. It is suitable for oversized molds, heavy mechanical parts, aerospace components, thick plates, stamping dies, extrusion tooling, and other electrically conductive workpieces that require a large working area, high load capacity, and controlled contour accuracy. Q2: What is the maximum workpiece thickness? The maximum specified cutting thickness is 800 mm. Actual cutting performance depends on workpiece material, flushing, wire alignment, electrical parameters, contour complexity, and the required surface finish. Very thick workpieces should be evaluated with a suitable process plan before production. Q3: How much weight can the worktable support? The maximum worktable load is specified at 800 kg. The workpiece must be distributed and supported correctly, and the customer should confirm that the lifting and clamping arrangement is suitable. The load rating should not be interpreted as permission to place an unstable or improperly supported workpiece on the table. Q4: Can the DK60BC perform taper cutting? Yes. The machine uses U/V axes with approximately 60 × 60 mm travel and supports a standard maximum taper of up to ±6° per 80 mm. Larger taper capabilities may be available with an optional large-taper wire-frame configuration. Applications involving extreme taper angles should be reviewed by the manufacturer’s engineering team. Q5: What is the maximum cutting efficiency? The published maximum cutting efficiency is approximately 10,000 to 16,000 mm²/h. This is a reference range rather than a guaranteed rate for every application. Material conductivity, thickness, cutting profile, wire condition, flushing, power settings, and the selected control cabinet all influence actual productivity. Q6: What surface finish can the machine achieve? The standard technical specification lists an optimal surface roughness of Ra ≤ 2.5 μm. Multiple-cut processing can improve surface quality compared with a single-pass process. The final result depends on material, thickness, cutting strategy, pulse parameters, water quality, wire stability, and the number of finishing passes. Q7: What materials can be cut? The machine can cut electrically conductive materials, including tool steel, stainless steel, carbide, titanium alloys, copper, aluminum alloys, nickel-based alloys, and suitable conductive PCD or CBN materials. Hardness is not the primary limitation in EDM; electrical conductivity, melting characteristics, thickness, and process stability are more important. Q8: What control system is supplied? The machine is supplied with the X8/AUTOCUT programming and control system. The standard cabinet is identified as ZHZK-03, while ZHZ-09G is available as an option. Customers should confirm the final control configuration, software functions, language, communication interfaces, and optional feedback systems in the quotation. Q9: Is a climate-controlled workshop required? A general workshop may be suitable for normal production, but temperature stability is recommended for the highest precision. The machine should be protected from strong vibration, excessive dust, direct heat, and unstable power. For very tight tolerances, a temperature-controlled environment and optional linear-scale feedback may provide additional process stability. Q10: How does the machine handle deep cutting? The DK60BC combines a reinforced wire frame, precision guides, stable wire tension, upper and lower flushing, filtration, and adaptive discharge control. These systems help maintain a stable cutting gap and reduce wire deflection during deep cutting. Operators must still optimize parameters for the specific material and thickness. Q11: What optional equipment is available? Available options may include a high-pressure water tank, linear scale feedback, AC servo drives, upgraded control cabinets, automatic wire threading, extended travel, large-taper wire frames, rotary tables, and export certification packages. Availability should be confirmed according to the required application and destination market. Q12: What after-sales support is provided? The manufacturer provides technical support, operating guidance, spare-parts assistance, and remote troubleshooting. The stated warranty is 12 months from shipment. Customers should confirm the exact warranty terms, installation scope, commissioning service, and response procedures before placing an order. Q13: How should customers choose between the DK50BC and DK60BC? The DK50BC supports approximately 650 mm maximum cutting thickness and a 600 kg maximum load, while the DK60BC supports approximately 800 mm thickness and an 800 kg load. Choose the DK60BC when workpieces are frequently oversized, heavy, or thicker than the practical capacity of the DK50BC, or when additional worktable space is valuable for future production. Q14: Can the machine be used for mass production? Yes. The DK60BC’s cutting efficiency, automatic parameter adjustment, multiple-cut programming, and large worktable make it suitable for batch manufacturing. Production planning should account for the number of finishing passes, workpiece loading time, wire preparation, flushing maintenance, and inspection requirements. 18. Conclusion The DK60BC CNC Medium-Speed Wire EDM Machine is designed for manufacturers that need to combine large workpiece capacity with high-precision wire cutting. Its 600 × 800 mm X/Y travel, 800 mm maximum cutting thickness, 800 kg load capacity, four-axis linkage, multiple-cut capability, adaptive pulse control, and stable wire-feeding system provide a strong foundation for demanding industrial applications. Compared with conventional high-speed wire-cut machines, it offers greater emphasis on finishing, guide accuracy, thick-workpiece capability, and process control. Compared with premium slow-wire solutions, it provides a practical medium-speed alternative that can reduce equipment and operating costs while maintaining strong precision potential. Its value is further supported by a robust machine structure, quality verification, configurable options, and technical support from an experienced EDM manufacturer. For large mold production, aerospace machining, heavy machinery manufacturing, precision tooling, and custom industrial components, the DK60BC offers a flexible and durable production solution. Final machine selection should be based on workpiece size, thickness, weight, material, taper requirements, tolerance, surface finish, production volume, workshop conditions, and desired automation level. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK-BC Series High-Medium-Speed Wire EDM Technical Specifications. 2. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK60BC Product and Application Information. 3. GB/T 7926-2015, Accuracy Inspection Method for Wire-Cut Electrical Discharge Machines. 4. General principles of electrical discharge machining, wire transport, dielectric flushing, and pulse power control in industrial WEDM applications. 5. Manufacturer-provided information regarding machine structure, control systems, quality inspection, installation, and after-sales technical support. Product: DK60BC CNC Medium-Speed Wire EDM Machine (800kg Load, 800mm Thickness) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-09-14
DK-7725 High-Speed Wire EDM Machine: Precision, Productivity, and Manufacturing Value
Modern mold manufacturing and precision metalworking require more than a machine capable of removing material. Manufacturers need predictable accuracy, stable operation, efficient production, manageable maintenance costs, and the flexibility to process a broad range of conductive materials. The DK-7725 CNC High-Speed Wire Electrical Discharge Machining (WEDM) machine is designed to address these requirements through a combination of high-speed cutting, four-axis linkage control, rigid mechanical construction, reliable electrical discharge control, and practical production-oriented features. With a maximum table load of 250 kg, an X-axis travel of 250 mm, a Y-axis travel of 320 mm, and a worktable measuring 410 × 600 mm, the DK-7725 is positioned as a compact yet capable solution for small and medium-sized workpieces. It is particularly suitable for precision molds, dies, punches, mechanical components, electronic parts, automotive components, and other products that require accurate contour cutting and dependable repeatability. The machine can achieve a maximum cutting efficiency of approximately 10,000 to 16,000 mm² per hour when matched with an appropriate CNC cabinet and process configuration. Its four-axis X, Y, U, and V control supports straight cutting as well as tapered and complex contour machining. The result is a machine that combines the accessibility and cost efficiency of a high-speed WEDM platform with the precision control expected in demanding industrial applications. 1. The Role of High-Speed WEDM in Modern Manufacturing Wire electrical discharge machining removes material through controlled electrical discharges between a continuously moving wire electrode and a conductive workpiece. Because the process does not rely on conventional cutting forces, it can machine hardened steel, stainless steel, copper, aluminum, cemented carbide, and other electrically conductive materials without creating the same mechanical stress associated with milling, sawing, or conventional turning. This process is especially valuable when a component includes narrow slots, intricate profiles, sharp internal corners, delicate ribs, or difficult-to-machine hardened sections. A wire EDM machine can follow a programmed path through the workpiece while maintaining a controlled discharge gap. The wire does not need to be shaped like the final profile; instead, the CNC system guides it along the desired contour. High-speed WEDM adds a productivity advantage by increasing wire travel speed and optimizing discharge conditions. However, speed alone is not sufficient. If cutting speed is increased without controlling wire tension, flushing, electrical parameters, thermal stability, and machine rigidity, the result may be excessive wire wear, unstable sparks, poor surface finish, or wire breakage. The DK-7725 is therefore designed as an integrated system in which mechanical, electrical, control, and fluid-management functions work together. For manufacturers, this integrated approach is important because the true value of a machine is determined by its complete production cycle. A machine that cuts quickly but requires frequent adjustment may not provide higher output in practice. Conversely, a stable machine that maintains predictable accuracy can reduce setup interruptions, rework, secondary grinding, and operator intervention. 2. Product Positioning and Main Capabilities The DK-7725 is a four-axis CNC high-speed wire EDM machine intended for high-precision and small-to-medium batch production. Its configuration allows manufacturers to process workpieces that require straight profiles, angled surfaces, tapered contours, and coordinated multi-axis movement. The standard machine offers an X/Y travel size of 250 × 320 mm and a maximum cutting thickness of 350 mm. The maximum table load is 250 kg, allowing the machine to support a wide range of small and medium-sized molds, plates, dies, and mechanical components. The worktable size of 410 × 600 mm provides a practical balance between usable machining area and compact floor-space requirements. For manufacturers with larger workpiece requirements, the DK-7725 belongs to a wider model family. The DK-7735, DK-7745, DK-7745F, and larger DK-77 models provide progressively greater table dimensions, travel ranges, cutting thicknesses, load capacities, and machine sizes. This family structure allows customers to select a machine according to actual production requirements rather than purchasing an unnecessarily large platform. SpecificationDK-7725Production SignificanceWorktable Size410 × 600 mmSuitable for small and medium-sized workpiecesX/Y Travel250 × 320 mmSupports precision contour machiningMaximum Cutting Thickness350 mmAllows processing of relatively deep workpiecesMaximum Table Load250 kgSupports molds, dies, plates, and mechanical componentsMaximum Cutting Efficiency10,000–16,000 mm²/hHelps shorten production timeMaximum Cutting Taper±6°/80 mmEnables tapered and angled profile machiningDrive TypeX, Y, U, V stepper drive; four-axis linkageProvides coordinated contour and taper controlOptimal Surface RoughnessRa ≤ 2.5 μmReduces the need for secondary finishingMachine Accuracy StandardGB/T 7926-2015Provides a defined accuracy referenceMachine WeightApproximately 800 kgProvides a stable compact machine platformPower Supply3N 380 V ±10%Designed for industrial electrical infrastructure 3. High-Speed Cutting Without Sacrificing Stability One of the principal advantages of the DK-7725 is its balance between cutting speed and process stability. The stated maximum cutting efficiency of 10,000 to 16,000 mm²/h is intended for rapid production under suitable material, thickness, flushing, wire, and CNC cabinet conditions. Actual performance depends on the workpiece material, cutting thickness, profile complexity, required finish, wire condition, and selected discharge parameters. In competitive machine-tool environments, manufacturers often compare equipment using maximum cutting rates. While maximum speed is useful, it should not be considered independently from quality and reliability. A more meaningful comparison considers how effectively a machine maintains stable cutting over an entire work shift, how often the operator must intervene, how consistently it produces the required surface finish, and how much time is saved in subsequent operations. The DK-7725 addresses these practical concerns through controlled pulse discharge, constant wire movement, stable mechanical transmission, and industrial cooling and filtration. These systems help maintain the discharge gap and reduce the effects of contamination, thermal variation, and vibration. When properly configured, the machine can sustain efficient cutting while protecting dimensional accuracy and surface quality. The high-frequency pulse power supply is central to this performance. It controls the timing and energy of electrical discharges between the wire and the workpiece. Optimized sampling of the discharge gap helps the system distinguish between stable machining conditions and undesirable states such as short circuits or unstable arcing. The control system can then adjust the discharge response to help maintain a productive and controlled process. This approach provides an advantage over less integrated machines that depend heavily on manual parameter adjustment. A machine with responsive discharge control can help operators maintain production continuity when material thickness or contour conditions change. It can also reduce the likelihood of wire breakage, which is especially important when cutting thick sections or complex profiles. 4. Four-Axis Linkage for Tapered and Complex Profiles The DK-7725 uses coordinated X, Y, U, and V axes to support four-axis linkage machining. The X and Y axes control the primary worktable movement, while the U and V axes control the relative position of the wire guides. By coordinating these movements, the machine can produce tapered cuts and profiles in which the upper and lower contours are different. The maximum cutting taper is specified as ±6° over 80 mm. This capability is useful for molds, punches, dies, inserts, and components that require draft angles or non-parallel walls. It can also reduce the need for separate machining operations, specialized fixtures, or manual correction. Compared with a basic two-axis wire-cutting system, a four-axis platform offers greater geometric flexibility. A two-axis system may be sufficient for simple through-profiles, but it cannot provide the same degree of control when the upper and lower shapes must vary. Four-axis linkage can therefore improve production efficiency by allowing more features to be completed in a single setup. Multi-axis control also contributes to repeatability. Once the geometry and taper information have been prepared in the CNC system, the machine can reproduce the programmed path with less dependence on manual alignment. This is valuable in batch production, where consistent results from one workpiece to the next are essential. For mold manufacturers, tapered cutting is particularly important because many mold components require controlled release angles. For precision machinery and automotive components, angled or variable profiles may be part of the design itself. The DK-7725 gives these users the ability to process such geometries without changing to a different machine category. 5. Precision Performance for Molds and Mechanical Components The DK-7725 is designed for high-precision machining, with a stated linear cutting accuracy of 0.005 mm and taper accuracy of 0.015 mm under appropriate conditions. These figures should be evaluated together with workpiece preparation, thermal environment, wire condition, machine leveling, programming quality, and process parameters. Nevertheless, they demonstrate the precision class and intended application range of the machine. Accuracy in WEDM is influenced by many factors. The machine bed must resist deformation and vibration. Guideways and lead screws must deliver smooth movement. Wire tension must remain stable. The discharge gap must be controlled. The workpiece must be securely and correctly mounted. The dielectric fluid must be clean and maintained at suitable conditions. The control system must coordinate movement accurately along the programmed path. The DK-7725 applies a rigid cast structure that has undergone aging treatment. This construction helps reduce the influence of internal casting stress and supports dimensional stability over time. The heavy machine structure also helps dampen vibration during movement and discharge machining. Stability is especially important when processing thin sections, narrow slots, or contours with sharp changes in direction. Precision guideways and lead screws are selected to combine low friction with accurate positioning. Smooth motion helps prevent sudden changes in wire position and supports uniform surface generation. It also reduces the mechanical disturbances that can affect the discharge gap and dimensional consistency. The machine is specified with an optimal surface roughness of Ra ≤ 2.5 μm. In practice, surface roughness depends on the number of skim cuts, material, wire, electrical settings, flushing, thickness, and the required balance between speed and finish. The machine’s control and discharge systems are intended to provide a fine and consistent surface, reducing the amount of polishing or grinding needed after cutting. For toolmakers, this can have a significant financial effect. Secondary finishing often requires skilled labor, additional inspection, and extra handling. If the wire EDM process produces a more uniform surface directly, the total manufacturing time can be reduced even when the cutting cycle itself is not the only cost factor. DK-7725 CNC High-Speed Wire EDM Machine (4-Axis, 250kg Load) 6. Mechanical Design and Advanced Manufacturing Strengths The quality of a wire EDM machine begins with the quality of its manufacturing process. A machine tool is expected to maintain precision over years of use, so its performance depends on the design and production of the bed, worktable, guideways, transmission components, electrical cabinet, wire transport system, cooling system, and control interfaces. The machine bed uses a high-rigidity HT250 cast iron structure. Cast iron is widely used in precision machine tools because it provides a favorable combination of stiffness, vibration damping, dimensional stability, and manufacturability. The use of a robust casting helps the machine resist dynamic disturbance during axis movement and electrical discharge. Aging treatment is an important step in the production of cast machine structures. Casting processes can leave residual internal stress in the material. If these stresses are not properly controlled, the structure may gradually deform during machining or service. Aging treatment allows the casting to stabilize before precision machining and assembly. This contributes to long-term geometric accuracy. After casting and aging, the relevant mounting surfaces must be processed and inspected carefully. The accuracy of guideway surfaces, screw supports, worktable interfaces, and electrical grounding points affects the final behavior of the complete machine. A high-quality assembly process ensures that individual components operate as a coordinated system rather than as isolated parts. The manufacturing process also includes the selection and alignment of guide rails and lead screws. Low-friction movement reduces drive resistance and supports smooth positioning. Accurate alignment prevents uneven loading and helps maintain repeatability across the working area. In a wire EDM machine, these details matter because even a small positioning irregularity can appear as a profile error or a variation in taper. Electrical and mechanical assembly are equally important. The discharge power supply, control cabinet, axis drives, sensors, wire transport components, fluid pumps, filters, and safety circuits must be connected and tested systematically. The company’s stated manufacturing approach includes positioning accuracy testing for each machine tool. Such testing provides an essential quality-control stage before shipment. The company also maintains advanced processing equipment, comprehensive testing methods, and product designs developed according to national standards. These capabilities support consistent production across different machine models. They are particularly important for an OEM and ODM manufacturer, where customers may require custom configurations, cabinet options, application-specific adjustments, or production quantities beyond standard catalog orders. 7. CNC Control and Operator-Oriented Operation The DK-7725 is equipped with a CNC system that supports four-axis simultaneous control. The control interface is designed for practical operation, including path input, machining parameter selection, axis movement, process monitoring, and production scheduling. A clear industrial graphical user interface can reduce the time required for operator training. This is useful for factories that need to bring new personnel into production quickly or that operate multiple shifts. An accessible interface also lowers the chance of input errors during routine jobs. Modern wire EDM control must do more than move the axes along a programmed line. It must coordinate axis motion with discharge conditions, wire speed, flushing, and machine protection. When the wire approaches a corner or a narrow section, the control system must respond appropriately to changes in cutting load and discharge behavior. The DK-7725 uses path algorithms intended to support uniform machining around sharp corners, arcs, and other complex contours. By analyzing the programmed trajectory and adjusting discharge parameters, the control system can help maintain a consistent surface texture. This can reduce the difference in appearance and roughness between straight sections, corners, and curved sections. Four-axis CNC control also simplifies the production of tapered parts. The operator can prepare the required geometry and taper values in the control system rather than relying on manual adjustment of the upper guide. This reduces setup complexity and improves repeatability between workpieces. For production planning, the system’s ability to handle different workpiece geometries helps manufacturers consolidate operations. A single machine can process conventional profiles, tapered components, and more complex four-axis shapes. This flexibility can be an advantage over specialized equipment that performs only one type of cutting operation. 8. Wire Transport, Tension, and Discharge Reliability Wire management is one of the most important factors in WEDM performance. The electrode wire must travel continuously through the machining zone while maintaining suitable tension. Excessive tension can increase the risk of breakage, while insufficient tension can lead to vibration, profile errors, and poor surface quality. The DK-7725 incorporates a constant-tension wire transport concept. Stable tension supports consistent wire positioning as the machine moves through long trajectories and complex contours. It also helps extend the useful life of molybdenum wire by reducing abnormal stress and uneven wear. Guide wheels and guide nozzles must remain in good condition for the tension system to work effectively. Wear or contamination can cause the wire to deviate from its intended position. For this reason, routine inspection of guide wheels, guide nozzles, conductive blocks, and wire paths is an important part of machine maintenance. The high-frequency pulse system works together with the wire transport mechanism. If the discharge gap becomes unstable, the control system must respond quickly to protect the wire and workpiece. Stable flushing helps remove eroded particles from the gap and prevents debris from causing repeated short circuits. The equipment is also designed to reduce wire breakage during thick-workpiece machining. No wire EDM system can eliminate breakage under every material and parameter condition, but stable gap control, appropriate discharge settings, clean working fluid, suitable wire speed, and effective flushing can significantly reduce avoidable interruptions. Reduced wire breakage has a direct effect on production economics. Each breakage event can require machine recovery, wire rethreading, workpiece inspection, and possible rework. In automated or unattended production, an unexpected break can interrupt the planned schedule. A stable wire transport and discharge system therefore contributes not only to accuracy but also to equipment utilization. 9. Cooling and Filtration for Process Consistency Electrical discharge machining generates heat and removes material in the form of fine particles. If the machining fluid becomes excessively warm or contaminated, discharge behavior may become unstable. Poor filtration can reduce cutting efficiency, affect surface finish, and increase the chance of short circuits. The DK-7725 uses an industrial cooling and filtration arrangement intended to maintain a clean machining environment. Multi-stage filtration helps remove suspended particles, while cooling helps control thermal variation. Together, these functions support stable discharge conditions and consistent machining performance. Thermal management is important because precision is affected by changes in the machine, workpiece, guide system, and fluid. A controlled working environment helps minimize dimensional drift during long cutting cycles. Manufacturers seeking the best results should also control room temperature fluctuations, avoid placing the machine near strong vibration sources, and provide proper grounding protection. Fluid maintenance remains necessary even when the machine has an efficient filtration system. Filters must be inspected and replaced according to actual operating conditions. Pumps, tanks, nozzles, and fluid passages should be kept clean. Operators should monitor flow and ensure that flushing reaches the cutting zone effectively. These maintenance activities are relatively straightforward compared with the cost of poor machining stability. Proper fluid management can improve wire life, surface finish, cutting speed, and repeatability while reducing the likelihood of unplanned downtime. 10. Competitive Advantages in Practical Production The DK-7725 competes in a market that includes conventional WEDM machines, low-cost high-speed systems, servo-driven precision platforms, and imported premium equipment. Its competitive value lies in the combination of features rather than in one isolated specification. First, the machine provides four-axis linkage at a compact machine size. This gives small and medium-sized manufacturers access to taper cutting and coordinated contour machining without requiring the floor space or investment associated with a much larger platform. Second, the machine combines high cutting efficiency with a 250 kg table load. Some compact machines are optimized for light workpieces, while heavier platforms occupy more space and require greater installation resources. The DK-7725 offers a practical middle position for users that need meaningful load capacity but do not require a large-format machine. Third, the machine supports a maximum cutting thickness of 350 mm. This expands its application range beyond thin plates and simple components. Toolmakers can process deeper molds, dies, and mechanical parts while retaining access to high-speed wire-cutting technology. Fourth, its design emphasizes stable long-term operation. The rigid cast structure, aging treatment, controlled wire tension, industrial filtration, and precision electronic control system are intended to reduce variation and maintenance requirements. Compared with machines that depend on frequent manual corrections, this integrated design can improve operator productivity. Fifth, the DK-7725 is supported by a broader model family and customization capability. Customers can select a smaller or larger machine according to workpiece size, load, and production plans. Optional control cabinets, including a standard desktop cabinet and a vertical cabinet option, provide additional flexibility in factory layout and operator preference. Finally, the manufacturer combines equipment production with technical service. Installation, commissioning, operator training, maintenance support, spare-parts availability, and software assistance can be important differentiators when comparing suppliers. A machine’s value depends on how effectively it performs after installation, not merely on its catalog data. 11. Applications Across Multiple Industries 11.1 Mold and Die Manufacturing Mold manufacturing is one of the primary applications for the DK-7725. Mold components often require accurate profiles, narrow slots, sharp internal corners, deep sections, and controlled taper. Hardened tool steel can be difficult to machine using conventional cutting tools, especially after heat treatment. Wire EDM provides a reliable method for producing precise contours without imposing large mechanical cutting forces. The machine can be used for punches, dies, inserts, stripper plates, precision templates, and other mold components. Four-axis taper capability is valuable when the design includes draft angles or when upper and lower profiles must be coordinated. The specified surface-finish capability can also reduce the amount of hand polishing required after cutting. 11.2 Precision Machinery Precision machinery manufacturers use WEDM to produce gears, slots, locating components, precision plates, special keys, and complex mechanical profiles. The DK-7725’s travel range and load capacity make it suitable for small and medium-sized components used in industrial machinery, automation equipment, tooling, and specialized mechanisms. Because the process is guided by a programmed contour, manufacturers can produce repeatable parts in small batches without investing in dedicated cutting tools for every profile. This is particularly beneficial for custom machinery and engineering projects with frequent design changes. 11.3 Electronics and Small Components Electronic equipment and precision instrument industries often require small components with narrow features and accurate dimensions. Wire EDM can process conductive metals used in connectors, fixtures, precision plates, and specialized component tooling. The DK-7725 provides the positioning control and fine surface capability needed for these applications, provided that the workpiece is properly fixtured and the cutting parameters are selected for the material. 11.4 Automotive Components Automotive manufacturers and their suppliers use wire EDM for precision dies, stamping tools, prototype components, special fixtures, and production parts with complex contours. The machine’s load capacity and cutting thickness allow it to handle a useful range of tooling and components while maintaining a comparatively compact footprint. For small and medium-sized production batches, the DK-7725 can shorten preparation time and reduce dependence on multiple specialized machines. Its four-axis control is useful for components that require angled surfaces or tapered profiles. 11.5 Aerospace and High-Precision Engineering Aerospace-related production places strong demands on dimensional accuracy, material capability, traceability, and process consistency. The DK-7725 can process conductive materials used in precision aerospace tooling and components, including hardened steels and selected nonferrous alloys. Applications should be validated through sample cutting and process qualification, particularly when the component has strict certification or surface-integrity requirements. 12. Production Efficiency and Total Cost of Ownership Purchasing a wire EDM machine is a long-term production decision. The initial equipment price is only one part of the total cost. Energy consumption, wire consumption, filter replacement, operator labor, maintenance, downtime, rework, and secondary finishing all influence the cost per component. The DK-7725 is designed to improve total operating value in several ways. High cutting efficiency can reduce cycle time. Stable discharge control can reduce wire breakage and rejected parts. Four-axis machining can eliminate separate operations. The automatic lubrication system can reduce manual intervention. The rigid structure and reliable electronic controls can support longer service intervals. Its compact form also contributes to installation efficiency. A smaller machine may require less floor space and lower building modifications than a large-format platform. At the same time, the 250 kg table load and 350 mm cutting thickness provide capabilities beyond those of many entry-level machines. Manufacturers should calculate productivity using actual production requirements rather than maximum catalog performance alone. Relevant questions include the average workpiece thickness, typical material, required roughness, number of skim cuts, annual operating hours, batch size, operator availability, and expected machine utilization. Sample cutting is an effective way to establish realistic cycle times and surface-quality results. When the machine is properly matched to the application, its advantages can extend beyond cutting speed. A predictable process allows production planners to schedule jobs more accurately. Stable quality reduces inspection and rework. A flexible machine can accommodate new products without major equipment changes. Together, these benefits can improve profitability and manufacturing responsiveness. 13. Customization and Model Selection Different manufacturers have different requirements for worktable size, control cabinet layout, machining thickness, load capacity, automation, wire systems, and application parameters. The DK-7725 supports customized machining solutions based on customer requirements, making it suitable for users with specialized workpieces or industry-specific standards. The standard ZH-K68 desktop control cabinet provides a compact control arrangement. The optional ZHZK-03 vertical cabinet can be selected when a different operating position or factory layout is preferred. Cabinet selection may be influenced by available space, operator visibility, electrical installation, and integration with existing production systems. The wider DK-77 model range helps customers choose an appropriate platform: ModelTypical Application PositioningMaximum Table LoadX/Y TravelDK-7725Small and medium parts; precision molds; small-batch production250 kg250 × 320 mmDK-7735Medium-sized components and molds requiring a larger worktable300 kg350 × 450 mmDK-7745Large components, precision molds, automotive and aerospace tooling400 kg450 × 550 mmDK-7745FExtra-large workpieces and heavy precision components500 kg450 × 650 mmDK-7755F and aboveLarge-format mold, tooling, and heavy-component production600 kg and above550 × 800 mm and above The DK-7725 is generally the most appropriate selection when the majority of workpieces fit within its travel and thickness limits. Customers should consider not only the largest workpiece but also fixture dimensions, wire access, clamping clearance, loading method, and space required around the machine for maintenance. For future expansion, a larger model may be more economical if workpiece dimensions are expected to increase. Conversely, choosing a model that is much larger than necessary may increase the purchase price, installation requirements, energy consumption, and unused capacity. A technical review with the manufacturer can help identify the most balanced configuration. 14. Quality Assurance and Manufacturing Control As a specialized EDM manufacturer, Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has developed experience in the research, development, production, and testing of electrical discharge machining equipment and related special-processing technologies. Its production capabilities include advanced processing equipment, comprehensive testing methods, and product designs developed for industrial applications. The company states that its products are manufactured according to national standards and that each machine tool undergoes positioning accuracy testing. This testing is essential because a machine can only deliver reliable cutting results when its geometric accuracy has been verified before shipment. Quality assurance begins with material selection and casting control, continues through aging and precision machining, and extends to assembly, wiring, software configuration, testing, packaging, and commissioning. Each stage influences the final machine. The use of standardized procedures helps reduce variation between units and supports more predictable field performance. The company’s product range includes PS-C and DK77-BC medium-speed wire-cutting EDM machines, DK77-A and DK77-B high-speed wire-cutting EDM machines, and DK77-D large-taper wire-cutting EDM machines. This range demonstrates experience across different WEDM applications, from general production to larger workpieces and more demanding taper requirements. The company has operated in the wire-cutting field since 1999, introduced the POOSN brand in 2003, and established its current manufacturing company in 2017 with registered capital of 60 million yuan and its own factory. Its development history also includes cooperation with CNC partners, recognition for quality and reputation, patent activity, and high-technology enterprise recognition. Such experience provides an important foundation for continuous product improvement. Feedback from domestic customers and overseas markets can be used to improve machine structure, control functions, electrical reliability, maintenance access, and service procedures. 15. Installation, Commissioning, and Technical Support Precision performance depends on correct installation. The machine must be positioned on a suitable foundation, leveled accurately, connected to a stable power supply, grounded correctly, and installed in an environment with limited vibration and controlled temperature variation. The manufacturer provides installation and commissioning support that includes machine leveling, accuracy testing, and adjustment according to the customer’s production site. Proper commissioning establishes a reliable baseline for subsequent machining and makes it easier to identify whether a future issue is caused by tooling, process settings, environmental conditions, or machine changes. Operator training is another important part of equipment value. Training can cover CNC operation, CAD modeling and drafting, workpiece preparation, wire threading, parameter selection, flushing, taper programming, routine inspection, lubrication, filtration, and fault response. Well-trained operators can use the machine more efficiently and avoid preventable damage. Continuous maintenance support helps protect the machine’s long-term performance. Maintenance records can document operating hours, filter changes, lubrication, guide-component replacement, accuracy checks, and software updates. This information helps production managers plan service before a minor issue becomes a major interruption. The company also emphasizes modularity and ease of maintenance. Core circuit boards and mechanical transmission components are designed for practical disassembly and replacement. Combined with spare-parts availability, this approach can reduce repair time and equipment downtime. 16. Maintenance Practices for Reliable Operation Daily maintenance should begin with a visual inspection of the wire path, guide wheels, guide nozzles, conductive blocks, worktable, fluid level, and machine enclosure. Operators should remove accumulated debris and confirm that the wire travels smoothly without abnormal vibration. The working fluid should be kept clean and circulated effectively. Filters should be checked regularly, and clogged elements should be replaced according to operating conditions. Inadequate filtration may lead to unstable discharge, slow cutting, poor surface finish, or repeated short circuits. The automatic lubrication system reduces manual work, but operators should still verify lubricant levels and inspect lubrication points. Guideways and lead screws should be protected from abrasive particles. Unusual noise, backlash, vibration, or changes in axis movement should be reported promptly. Wire components require particular attention. Guide wheels and guide nozzles should be inspected for wear. Conductive blocks should be positioned correctly and replaced when necessary. Proper alignment reduces abnormal molybdenum wire wear and supports stable machining accuracy. The electrical cabinet should be kept clean and dry. Cooling fans, filters, connectors, grounding, and cables should be checked according to the maintenance schedule. Unauthorized changes to control parameters or electrical circuits should be avoided because they may affect machine protection and discharge stability. Environmental control is also important. The machine should be installed away from strong vibration, significant temperature changes, corrosive substances, and strong magnetic interference. Proper grounding protection supports stable operation of the control system and reduces electrical noise. 17. Recommended Workflow for New Users A new DK-7725 installation should begin with a review of the customer’s workpiece requirements. The review should identify the material, hardness, thickness, profile, taper, surface-finish target, dimensional tolerance, batch size, and expected daily operating time. The second step is fixture and workholding preparation. The workpiece must be positioned securely and aligned appropriately. Since WEDM is a noncontact process, the fixture does not need to resist conventional cutting forces, but it must support the workpiece against movement, vibration, and distortion during immersion or flushing. The third step is program preparation. The operator should verify the geometry, offsets, taper information, lead-in and lead-out positions, cutting sequence, skim-cut requirements, and safe wire-threading path. Trial cutting may be appropriate for unfamiliar materials or highly demanding components. The fourth step is process parameter selection. Discharge energy, pulse duration, pulse interval, wire speed, flushing pressure, and cutting strategy should be selected according to the workpiece and required result. Maximum speed should not be used automatically when dimensional accuracy or surface quality is the priority. The fifth step is in-process monitoring. Operators should observe discharge stability, wire movement, fluid flow, machine alarms, and workpiece behavior. If the process becomes unstable, it is better to pause and correct the cause than to continue and risk wire breakage or workpiece damage. Finally, the finished part should be inspected and the results recorded. Data on cutting time, wire consumption, surface roughness, dimensional accuracy, and operator adjustments can be used to develop a repeatable process database for future production. 18. Frequently Asked Questions Q1: What is the main application of the DK-7725? The DK-7725 is intended for precision machining of conductive materials, especially molds, dies, punches, mechanical components, electronic parts, automotive components, and other small-to-medium-sized workpieces. It is suitable for high-precision and small-to-medium batch production. Q2: What cutting accuracy can the machine achieve? The stated linear cutting accuracy is 0.005 mm, while the taper accuracy is 0.015 mm. Actual results depend on machine installation, environmental stability, workpiece preparation, wire condition, programming, material, thickness, and selected cutting parameters. Q3: What materials can be processed? The machine can process electrically conductive materials such as steel, stainless steel, hardened steel, copper, aluminum, and cemented carbide. Parameter selection should be adapted to the electrical and thermal characteristics of each material. Q4: What is the maximum workpiece size? The DK-7725 provides an X-axis travel of 250 mm and a Y-axis travel of 320 mm. The worktable measures 410 × 600 mm, and the maximum table load is 250 kg. The practical workpiece size must also account for fixture dimensions, clamping clearance, and the required cutting path. Q5: What is the maximum cutting thickness? The maximum cutting thickness is specified as 350 mm. Actual performance at maximum thickness depends on material, flushing conditions, wire type, discharge settings, profile geometry, and the required accuracy and surface finish. Q6: Does the machine support taper cutting? Yes. The four-axis X, Y, U, and V linkage system supports tapered cutting up to approximately ±6° over 80 mm. This is useful for molds, dies, punches, and components requiring angled or non-parallel profiles. Q7: Is the DK-7725 suitable for mass production? It is particularly suitable for high-precision small-to-medium batch production and can also support repetitive production when the workpiece, fixture, and process are standardized. Its high cutting efficiency, stable control, and reduced manual intervention can help increase production capacity. Q8: What control cabinet options are available? The standard configuration uses the ZH-K68 desktop cabinet. The ZHZK-03 vertical cabinet is available as an optional configuration, subject to the customer’s layout and operating requirements. Q9: How can wire service life be extended? Users should maintain constant wire tension, inspect guide wheels and guide nozzles, keep the working fluid clean, check conductive-block positions, and select suitable discharge parameters. Excessive tension, poor flushing, contaminated fluid, and worn guides can cause abnormal wire wear. Q10: What environmental conditions are recommended? The machine should be installed in an environment with limited temperature fluctuation, minimal vibration, proper grounding, and no significant magnetic interference. A clean and stable environment supports accuracy, control-system reliability, and consistent cutting results. Q11: Is automatic lubrication included? The DK-7725 is described as having an automatic lubrication system. This reduces manual intervention, but operators should still check lubricant levels and confirm that the system is functioning properly as part of routine maintenance. Q12: Can the machine be customized? Yes. Customized machining solutions can be developed according to workpiece requirements, precision standards, control-cabinet preferences, production conditions, and other application factors. Technical evaluation and sample cutting are recommended for specialized applications. Q13: Which model should be selected for larger workpieces? The DK-7735, DK-7745, DK-7745F, and larger DK-77 models provide progressively larger worktables, travel ranges, cutting thicknesses, and load capacities. Customers should select a model based on the largest workpiece, fixture requirements, production volume, and future expansion plans. Q14: What support is available after purchase? Support includes installation, commissioning, accuracy testing, operator training, maintenance guidance, spare-parts assistance, software support, and technical consultation. The manufacturer also provides ongoing service intended to maintain equipment reliability throughout its operating life. 19. Why the DK-7725 Is a Strong Investment for Precision Production The DK-7725 is designed for manufacturers that need more capability than a basic wire-cutting machine but do not require the size and cost of a large-format platform. Its compact work area, 250 kg load capacity, 350 mm cutting thickness, four-axis linkage, taper capability, high-speed cutting performance, and precision-oriented structure create a balanced production solution. Its competitive strength comes from system integration. High-frequency pulse control supports stable discharge. Constant-tension wire transport supports dimensional accuracy and wire life. Rigid cast construction reduces vibration. Cooling and filtration maintain the working environment. CNC path control supports complex contours and uniform surface quality. Automatic lubrication and modular maintenance reduce routine labor. These features are supported by the manufacturer’s experience in EDM research, production, testing, customization, and technical service. The company’s broader product range allows customers to expand from compact precision machining to larger workpiece applications without changing to an unrelated supplier or technology platform. For mold shops, precision-component manufacturers, automotive suppliers, electronics producers, and specialized engineering companies, the DK-7725 can improve production flexibility and reduce dependence on multiple processing methods. When correctly installed and maintained, it can deliver a practical combination of speed, precision, reliability, and cost control. Manufacturers evaluating the machine should compare not only headline cutting speed but also actual cycle time, surface finish, dimensional stability, wire consumption, maintenance requirements, operator workload, service response, and long-term support. On these practical criteria, the DK-7725 presents a strong option for modern high-speed WEDM production. 20. Conclusion The DK-7725 CNC High-Speed Wire EDM Machine brings together high-efficiency cutting, four-axis control, taper machining, rigid mechanical construction, stable wire transport, precision discharge management, and dependable production support. Its configuration is well matched to small and medium-sized workpieces that require accurate contours, deep cutting, fine surfaces, and repeatable results. Its 250 kg load capacity and 350 mm maximum cutting thickness expand the machine’s usefulness beyond light-duty applications. Its 10,000 to 16,000 mm²/h cutting-efficiency range helps shorten production cycles, while its control and mechanical systems are designed to preserve stability during demanding operations. Backed by experienced EDM manufacturing capabilities, positioning-accuracy testing, customization services, installation support, operator training, and maintenance assistance, the DK-7725 is more than a standalone machine tool. It is a complete production platform for manufacturers seeking higher efficiency, controlled quality, and sustainable operating value in wire electrical discharge machining. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK-77 High-Speed Wire EDM Machine Technical Specifications. 2. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK-7725 Product Information and Application Notes. 3. GB/T 7926-2015, Accuracy Inspection of Wire-Cut Electrical Discharge Machines. 4. International Electrotechnical Commission, General Principles of Electrical Discharge Machining Technology. 5. American Society of Mechanical Engineers, Principles of Precision Machine Tool Design. 6. Society of Manufacturing Engineers, Electrical Discharge Machining: Process Fundamentals and Industrial Applications. 7. Manufacturing Engineering Reference Materials, Wire Electrode Control, Flushing, Filtration, and Discharge Stability. Product: DK-7725 CNC High-Speed Wire EDM Machine (4-Axis, 250kg Load) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-08-21
DK45D Large-Taper Wire-Cut EDM Machine for High-Precision Complex Mold Machining
Introduction Modern mold manufacturing increasingly requires machine tools that can combine large-angle cutting, reliable long-duration operation, high geometric accuracy, and flexible production capability. Conventional wire-cut electrical discharge machining equipment can deliver excellent results in two-dimensional profiles and moderate taper applications, but many demanding components require more advanced control of the wire electrode. Large stamping dies, precision mold inserts, aerospace components, automotive transmission parts, and specialized mechanical components may contain inclined surfaces, variable taper profiles, narrow slots, and complex contours that cannot be produced efficiently with a basic wire-cut EDM system. The DK45D CNC Large-Taper Wire-Cut EDM Machine is designed for this category of difficult machining work. As part of the DKD Large Cutting Taper WEDM series, it combines four-axis X, Y, U, and V linkage, a maximum cutting taper of ±30° per 40 mm, a maximum cutting thickness of 450 mm, and a maximum worktable load of 400 kg. Its configuration is intended to provide a practical balance between workpiece capacity, large-taper capability, accuracy, operating stability, and production efficiency. The machine is manufactured by Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., a specialized Chinese producer of wire-cut electrical discharge machining equipment. The company has focused on electrical discharge wire cutting since 1999 and has developed product lines covering medium-speed, high-speed, high-medium-speed, and large-taper wire-cut EDM applications. Its experience in machine development, structural manufacturing, assembly, inspection, and customer support provides the technical foundation for the DK45D. This article examines the DK45D in detail, including its machining logic, structural design, control system, process advantages, manufacturing standards, application areas, and comparison with conventional wire-cut EDM equipment. It also explains how the machine can help manufacturers reduce secondary operations, improve production consistency, and process complex profiles more efficiently. DK45D CNC Large Taper Wire Cut EDM Machine for Precision Mold Machining Product Positioning and Main Capabilities The DK45D is positioned as a large-taper wire-cut EDM machine for medium-sized workpieces and high-precision components. Its primary advantage is the ability to control the inclination of the wire electrode through a coordinated four-axis motion system. Instead of limiting the wire to a vertical or nearly vertical position, the machine can generate inclined and tapered profiles while maintaining synchronized movement between the upper and lower wire guides. The machine provides a maximum cutting angle of ±30° per 40 mm. This capability makes it suitable for workpieces requiring steep taper geometry, especially in precision molds, blanking dies, forming tools, aerospace profiles, and complex mechanical components. The maximum cutting thickness is 450 mm, allowing the DK45D to accommodate substantial workpiece heights while maintaining a usable cutting envelope. The CNC worktable measures 570 × 950 mm, while the X and Y travel size is 450 × 650 mm. The processing slot size is 630 × 990 mm. These dimensions provide sufficient working space for many medium-sized dies, plates, inserts, and irregularly shaped components. The maximum worktable load is 400 kg, allowing the machine to process relatively heavy workpieces without requiring a separate heavy-duty platform. The DK45D uses an X8/AUTOCUT control system. Its operating interface is intended to simplify programming, machine setup, taper configuration, and routine production tasks. The system reduces the amount of manual calculation required from the operator and supports the synchronized movement necessary for four-axis taper machining. Additional performance specifications include a maximum cutting efficiency of 10,000 to 16,000 mm²/h and an optimal surface roughness of Ra ≤ 2.5 μm under suitable process conditions. The machine uses a Φ0.18 mm electrode wire with a wire guider, a wire feed speed of 1 to 11 m/s with frequency control, and approximately 350 m of maximum wire storage length. Why Large-Taper Wire Cutting Matters In a standard two-dimensional wire-cutting operation, the electrode wire remains substantially vertical as it follows a programmed contour. This approach is effective for profiles that are identical at the top and bottom of the workpiece. However, many industrial parts require the upper profile to differ from the lower profile. A die may require a tapered cutting edge, a mold insert may contain an inclined cavity wall, or an aerospace component may require a changing profile through its thickness. Large-taper wire cutting solves this problem by tilting the wire while the machine simultaneously controls the horizontal position of the worktable and the upper wire guide. The upper and lower wire positions can be coordinated to produce an angled, tapered, or variable contour. This process is more complex than ordinary profile cutting because the machine must account for wire diameter, wire deflection, guide position, workpiece thickness, taper angle, and the geometric relationship between the upper and lower contours. The DK45D is built specifically for this type of work. Its U and V axes control the tapering device, while the X and Y axes control the main worktable. The four axes operate in linkage, allowing the wire path to be adjusted across the workpiece height. This makes it possible to cut complex spatial geometries rather than only flat two-dimensional shapes. For manufacturers, the practical benefit is a reduction in secondary operations. A tapered edge that would otherwise require milling, grinding, hand fitting, or an additional EDM process may be produced directly on the wire-cut machine. Reducing these operations can shorten manufacturing lead times, improve dimensional continuity, and reduce the risk of transferring errors between machines. Core Technical Design Four-Axis X, Y, U, and V Linkage The DK45D uses four-axis linkage consisting of the X, Y, U, and V axes. The X and Y axes control the worktable movement, while the U and V axes control the upper wire guide and tapering motion. Coordinated movement enables the electrode wire to follow programmed upper and lower profiles while maintaining the required inclination. This configuration provides greater flexibility than a basic two-axis wire-cut EDM machine. A conventional system may be limited to straight vertical cutting or simple fixed tapering. In contrast, a four-axis system can support different profile relationships at the upper and lower surfaces, variable taper changes, and more complex spatial trajectories. The DK45D uses standard XY stepper drives, with optional XY AC servo drives available for applications requiring enhanced motion control. The U and V axes use three-phase stepper drives. The combination provides a practical machine configuration for precision taper cutting while allowing customers to select options according to their process requirements and budget. Tapering Device The tapering device is one of the most important components of the DK45D. The machine provides a UV travel size of 290 × 290 mm for the DK45D configuration. This travel range supports the movement needed to create large-angle cuts across the specified workpiece thickness. Large taper cutting places greater demands on the mechanical structure than ordinary vertical cutting. As the wire inclines, the effective cutting position changes across the workpiece height. The wire is also exposed to different flushing conditions and may experience increased lateral forces. For this reason, the tapering device must move accurately and remain stable during long cutting cycles. The DK45D is designed with high-precision linear rail support and a rigid machine structure. The use of precision guides helps reduce unwanted movement and supports smooth axis response. Stable guide movement is particularly important when machining small radii, narrow slots, sharp corners, and profiles with frequent directional changes. Worktable and Workpiece Capacity The DK45D has a 570 × 950 mm worktable and an X/Y travel of 450 × 650 mm. The processing slot size is 630 × 990 mm, providing space for workpieces that extend beyond the nominal axis travel while remaining within the machine’s operating area. A maximum worktable load of 400 kg makes the machine suitable for medium-sized molds, die plates, inserts, mechanical components, and other substantial workpieces. The workpiece must still be properly supported and positioned according to the machine’s installation and operating requirements. Correct fixturing is essential for maintaining accuracy during heavy or high-taper cutting operations. The 450 mm maximum cutting thickness provides a broad range of application possibilities. Manufacturers can process thick tool steel, alloy components, precision plates, and other conductive materials that are difficult to machine economically by conventional cutting methods. The machine is especially useful when a thick workpiece contains a profile that must remain accurate through its full height. Wire Feed and Electrode Management The DK45D uses a Φ0.18 mm electrode wire with a wire guider. Its wire feed speed can be adjusted from 1 to 11 m/s through frequency control. The maximum wire storage length is approximately 350 m, supporting extended cutting cycles and reducing the need for frequent operator intervention. Consistent wire transport is essential to EDM stability. Irregular wire movement can result in dimensional deviation, visible wire marks, unstable discharging, or wire breakage. A controlled feed system helps maintain a stable relationship between wire tension, flushing, and electrical discharge conditions. For large-taper cutting, wire management becomes even more important because the wire is not operating vertically. The wire guides and flushing system must maintain suitable alignment as the wire angle changes. Proper wire guidance helps preserve cutting geometry and reduces the risk of vibration marks on the workpiece surface. Accuracy, Stability, and Surface Quality The DK45D is specified with a machining accuracy of 0.08 mm and is manufactured according to GB/T 7926-2015 accuracy requirements. Actual results depend on workpiece material, thickness, taper angle, programming, wire condition, flushing, thermal conditions, and operator setup. Nevertheless, the machine’s structure and control system are designed to provide repeatable cutting performance in demanding applications. Stability is a fundamental requirement for wire EDM. The process is based on controlled electrical discharges across a small gap between the electrode wire and the workpiece. If the gap changes unpredictably because of vibration, thermal deformation, poor flushing, or unstable wire movement, cutting quality can deteriorate quickly. The DK45D addresses these challenges through several design features. High-precision linear guides support accurate axis movement. A rigid casting-based machine structure helps resist deformation and vibration. The wire guiding and flushing arrangement is calibrated for inclined cutting. The control system manages the movement of the axes and supports stable process execution. The optimal surface roughness is specified as Ra ≤ 2.5 μm. Surface quality is influenced by the number of cutting passes, electrical parameters, material type, workpiece thickness, flushing conditions, and wire selection. In precision mold manufacturing, a suitable roughness level can reduce polishing requirements and help maintain the intended geometry of the cut profile. One significant benefit of stable wire EDM is repeatability. When a production process is properly established, multiple workpieces can be cut using consistent programs and parameter settings. This is valuable for mold components, punch and die sets, precision inserts, and replacement parts that must match existing components. Machine Structure for Heavy and Large-Angle Cutting Large-angle cutting creates mechanical conditions that differ from those of ordinary wire EDM. The inclined wire introduces lateral forces, and the upper guide may move farther from the centerline of the machine. The workpiece may also create different fluid-flow conditions at the upper and lower surfaces. If the structure lacks rigidity, the result can be wire vibration, taper deviation, poor surface finish, or dimensional inconsistency. The DK45D uses a high-rigidity bed structure made from high-grade castings. The supplied technical analysis describes natural aging treatment intended to reduce internal stress in the castings. Stress relief is important because residual stress can contribute to distortion over time, particularly when a machine is exposed to repeated thermal cycles and heavy axis movement. The machine’s structural design is intended to provide a stable foundation for the worktable, wire guides, and tapering mechanism. A strong foundation reduces the impact of vibration and helps maintain the geometric relationship between the machine components. This is particularly important in deep cutting, steep-angle cutting, and long-duration production. The DK45D also uses an eco-friendly waterproof cover as standard equipment. The cover helps protect machine components from the dielectric working environment and supports cleaner operation around the work area. A high-pressure water tank and linear scale are available as optional configurations, allowing the machine to be adapted to different process requirements. Discharge Control and Flushing Performance Wire EDM quality depends not only on mechanical precision but also on electrical discharge control. Each discharge removes a small amount of material from the workpiece. The energy of the pulse, the timing between pulses, the discharge gap, and the condition of the dielectric fluid all influence cutting speed and surface integrity. The DK45D uses a maximum processing current of 6 A and an electrical capacity of 2.5 KVA. Its X8/AUTOCUT programming and control system is designed to coordinate the machine’s movement and cutting process. The system helps reduce manual intervention and allows operators to establish repeatable cutting procedures. During large-taper machining, the effective cutting thickness may vary along the wire path. The upper and lower sections of the wire may not encounter identical material conditions at the same moment. A suitable discharge control strategy must therefore respond to changes in the discharge gap and maintain stable erosion. Pulse energy regulation helps prevent excessive thermal concentration. If too much energy is applied in a small area, the workpiece may experience corner damage, overburn, or a rougher surface. If the energy is too low, cutting efficiency may decline or the wire may become unstable. The control system is intended to adjust process behavior so that the discharge remains effective without compromising the workpiece. Flushing is equally important. EDM debris must be removed from the cutting gap. If debris accumulates, it can cause secondary discharges, unstable current, short circuits, poor surface quality, and wire breakage. The DK45D’s dielectric circulation and flushing arrangement is designed to maintain a more consistent discharge environment, including during inclined and deep cutting. For operators, this means that machine setup should include careful attention to flushing direction, nozzle position, dielectric condition, workpiece support, and cutting parameters. The machine provides the necessary platform, but process discipline remains essential for achieving the best results. Advantages Compared with Conventional Wire-Cut EDM Equipment Expanded Taper Capability The most obvious advantage of the DK45D over ordinary wire-cut EDM equipment is its large taper capability. Basic machines are generally optimized for vertical cutting or limited taper angles. The DK45D can reach a maximum cutting taper of ±30° per 40 mm, enabling the production of much steeper profiles. This expanded capability allows manufacturers to move more operations onto one machine. Instead of cutting a profile vertically and then completing the taper on a milling machine or grinder, the taper may be produced directly during wire EDM. This can reduce handling, decrease setup time, and improve the relationship between related surfaces. Complex Spatial Machining Conventional wire EDM machines may be limited when the upper and lower profiles are different. The DK45D’s X/Y/U/V four-axis linkage supports spatial trajectory control. It can produce variable taper profiles and more complex contour relationships, making it better suited to advanced tooling and specialized components. The ability to control upper and lower geometry is especially useful in molds and dies. It can help create draft angles, inclined cutting edges, nonparallel walls, and profiles that change along the cutting height. For aerospace and automotive components, the same capability can support irregular geometries that would be difficult to reproduce using only two-dimensional cutting. Large Workpiece Thickness With a maximum cutting thickness of 450 mm, the DK45D can process thick workpieces beyond the practical range of many general-purpose wire-cut machines. Thick workpieces often require careful flushing and stable wire guidance. The machine is designed to provide the mechanical and process support required for these conditions. Reduced Secondary Processing When a machine can produce the required taper and contour in one controlled operation, the need for secondary grinding, milling, or manual fitting may be reduced. Fewer operations can mean lower labor costs, shorter throughput time, and fewer opportunities for dimensional errors. Reducing secondary work is particularly valuable for components with difficult-to-measure profiles. Every additional setup creates a possibility of misalignment. Direct wire cutting from a carefully prepared CNC program can help preserve the intended relationship between features. Improved Production Flexibility The DK45D can process a wide range of conductive metals and alloys with different hardness levels. Unlike conventional cutting tools, the EDM wire does not rely on mechanical contact to remove material. This makes the process suitable for hardened tool steels and other difficult-to-cut conductive materials. The machine is appropriate for prototype production, small and medium batch manufacturing, replacement parts, precision tooling, and specialized high-value components. Its flexibility allows a manufacturer to handle different workpiece sizes and geometries without investing in several separate machines. Manufacturing Strengths of the Equipment Producer The quality of a precision machine tool depends heavily on the capabilities of its manufacturer. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has specialized in electrical discharge wire cutting since 1999. This long-term focus provides experience in the areas most relevant to the DK45D, including wire transport, control systems, taper mechanisms, machine structures, discharge stability, and production support. The POOSN brand originated in 2003, and the company has continued to expand its manufacturing and technical capabilities. In 2007, cooperation with Bingfeng CNC supported the company’s development in the southern market. In 2009, the company was recognized as an Advanced Unit for Quality and Reputation. In 2017, Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. was established with registered capital of 60 million yuan and constructed its own factory. The company’s product portfolio includes PS-C and DK77-BC medium-speed wire-cut EDM machines, DK77-A and DK77-B high-speed wire-cut EDM machines, and DK77-D large-taper wire-cut EDM machines. This range allows the manufacturer to serve different production needs, from general wire cutting to high-speed processing and large-angle machining. Its technical capabilities include advanced processing equipment, comprehensive testing methods, and product designs developed for industrial use. The company states that all products are manufactured according to national standards and that machine tools undergo positioning accuracy testing. These practices are important because machine geometry, axis positioning, and assembly quality directly affect the accuracy of the final workpiece. Full-Process Quality Control The manufacturing process for a large-taper EDM machine should include more than a final visual inspection. Accuracy can be affected by casting quality, guide installation, axis alignment, electrical cabinet assembly, wire guide positioning, software configuration, and machine leveling. A comprehensive quality system must therefore extend from component preparation through final acceptance. According to the supplied company information, finished machines undergo metrological verification and simulated machining trials tailored to customer application scenarios. The company also describes in-process self-inspections, final product inspections, full-load operational testing lasting several hours, and precision calibration using a laser interferometer. These procedures help verify that the machine operates correctly under conditions closer to actual production. A simulated cutting trial can reveal issues that may not appear during a simple idle run. Testing axis positioning, wire movement, taper operation, flushing, and control functions together provides a more complete assessment of machine readiness. Customer-Oriented Customization The company provides customization services for worktable size, cutting angle, and machine configuration. This is useful for customers whose workpieces do not fit a standard machine envelope or whose process requires special loading, flushing, motion, or measurement options. Optional XY AC servo drives, linear scales, and high-pressure water tanks can be selected according to application requirements. The company also provides larger DKD models, including the DK55D, DK63D, and DK80D, for customers requiring greater worktable size, cutting thickness, workpiece load, or production capacity. Technical Parameter Overview ParameterDK45D Product categoryDKD Large Cutting Taper WEDM CNC worktable size570 × 950 mm X/Y travel size450 × 650 mm Processing slot size630 × 990 mm Maximum cutting thickness450 mm Maximum worktable load400 kg UV travel size290 × 290 mm Maximum cutting taper±30° per 40 mm Electrode wire diameterΦ0.18 mm with wire guider Wire feed speed1–11 m/s, frequency controlled Maximum wire storage lengthApproximately 350 m Maximum cutting efficiency10,000–16,000 mm²/h Optimal surface roughnessRa ≤ 2.5 μm Controlled axesX, Y, U, and V four-axis linkage Programming systemX8/AUTOCUT control system Maximum processing current6 A Electrical capacity2.5 KVA Power supply3N 380 V ±10% Machine weightApproximately 1,600 kg Machine dimensionsApproximately 1,780 × 1,500 × 1,700 mm Standard configurationHigh-precision linear rail support and eco-friendly waterproof cover Optional configurationHigh-pressure water tank, linear scale, and AC servo drives The specifications show why the DK45D occupies a useful position between general-purpose wire EDM equipment and larger heavy-duty machines. It offers a substantial cutting thickness and workpiece load while maintaining a relatively compact footprint compared with the larger DK55D, DK63D, and DK80D models. Industrial Applications Precision Mold Manufacturing Mold manufacturing is one of the most important application areas for the DK45D. Molds often require accurate cavities, narrow slots, sharp internal corners, draft angles, and hardened materials. Large-taper cutting is particularly valuable when the mold design includes inclined walls or when the cutting edge must have a specific taper through the workpiece. The DK45D can be used for mold inserts, cavity components, punch elements, die plates, guide components, and precision mold parts. Its four-axis motion supports complex profiles, while its wire EDM process allows hardened conductive materials to be machined without applying significant mechanical cutting force. In stamping die production, the machine may be used to cut blanking edges and tapered profiles. Producing the tapered cutting edge in one wire-cutting operation can reduce the requirement for secondary grinding and help preserve the geometric relationship between the die components. Aerospace Components Aerospace parts often involve specialized profiles, lightweight structures, heat-resistant alloys, and strict dimensional requirements. The DK45D can support the machining of conductive aerospace components that contain irregular contours or inclined surfaces. Its large-taper capability is useful for components in which the upper and lower profiles are not identical. The noncontact nature of EDM can also be beneficial when machining delicate or complex shapes that might deform under conventional cutting forces. Proper process qualification, material evaluation, and inspection remain necessary for aerospace production. Automotive Components The machine is suitable for precision automotive components, including irregular parts associated with steering, transmission, forming, and specialized tooling. Automotive manufacturers and suppliers often require repeatable production of components with complex profiles and tight process control. The DK45D can support both prototype and medium-scale production. Once a program and process have been verified, the machine can repeat the profile across multiple workpieces. This is useful for components that require consistent dimensional relationships and reliable surface quality. Precision Machinery Precision machinery manufacturers can use the DK45D to process metal parts, custom machine components, precision plates, and specialized gears. Its ability to cut hard conductive materials and complex contours can provide an alternative to more labor-intensive machining routes. The machine is also suitable for low-volume and customized production. In these environments, flexibility and setup efficiency may be more important than the very highest continuous throughput. The DK45D provides a broad operating range while retaining the capability needed for advanced taper work. Production Efficiency and Cost Control A machine’s economic value is determined by more than its cutting speed. The complete production cycle includes programming, setup, workholding, cutting, inspection, secondary processing, cleaning, and operator involvement. The DK45D can contribute to cost control by reducing the number of separate operations required for complex tapered profiles. The maximum cutting efficiency is specified at 10,000 to 16,000 mm²/h under appropriate conditions. Actual productivity varies according to material, thickness, cutting height, taper, required surface finish, and the number of passes. A roughing pass may prioritize speed, while finishing passes may prioritize accuracy and surface quality. The X8/AUTOCUT control system supports intelligent operation and reduces manual intervention. An intuitive interface can shorten programming and setup time, particularly for operators who are familiar with wire-cut EDM but have limited experience with large-taper calculations. Reduced downtime is another potential advantage. Approximately 350 m of wire storage length allows longer unattended or semi-attended operation. Stable wire feeding, reliable axis movement, and suitable flushing reduce interruptions caused by wire breakage or unstable discharge. For a complete cost evaluation, buyers should consider the machine price, installation, training, wire consumption, dielectric maintenance, electrical consumption, spare parts, service response, and the value of reduced secondary machining. The appropriate machine is the one that produces the required components reliably over its full operating life. Operation and Process Considerations Although the DK45D is designed to simplify large-taper machining, successful operation still requires careful preparation. The workpiece should be inspected for material condition, thickness, flatness, and conductivity. Workholding must be rigid and should allow dielectric fluid to reach the cutting region effectively. Programming should define the upper and lower profiles, taper direction, taper angle, wire compensation, entry and exit conditions, and cutting sequence. When a variable taper is required, the relationship between the profiles must be checked carefully before machining begins. Simulation or verification functions should be used where available to detect collisions and geometric inconsistencies. Wire alignment is critical. The wire guides should be clean, correctly installed, and suitable for the selected wire diameter. The flushing nozzles should be positioned to support effective debris removal without interfering with the wire or workpiece. In deep or steep-angle cuts, poor flushing can quickly affect both surface quality and cutting stability. Operators should monitor wire tension, wire feed, dielectric condition, conductivity, filtration, and temperature. Thermal variation can influence machine geometry and workpiece accuracy, especially during extended machining. A stable workshop environment and correct machine leveling help support repeatable results. Maintenance should include cleaning the work area, inspecting wire guides, checking the wire transport system, maintaining the dielectric filtration system, verifying electrical connections, and following the recommended lubrication schedule. Preventive maintenance protects accuracy and reduces unexpected downtime. Model Selection Guidance The DK45D is designed for medium-sized components, precision molds, and parts requiring large taper and high accuracy. Its 450 mm maximum cutting thickness and 400 kg worktable load make it appropriate for many general industrial applications. The DK55D is intended for larger workpieces and more complex components. It provides a larger worktable, greater XY travel, a maximum cutting thickness of 600 mm, and a maximum worktable load of 600 kg. The DK63D is suitable for extra-large workpieces and heavy components. It provides a maximum worktable load of 800 kg and a maximum cutting thickness of 600 mm, making it suitable for larger aerospace, mold, and industrial applications. The DK80D is designed for heavy-duty molds and extra-large workpieces. It provides a maximum cutting thickness of 800 mm and a maximum worktable load of 1,000 kg. Customizable options are available for the DK80D and larger machines according to the supplied product information. When choosing between the models, customers should evaluate workpiece envelope, maximum thickness, loading weight, taper angle, required accuracy, production volume, workshop space, and future expansion plans. Selecting a machine with sufficient capacity is generally preferable to operating continuously at the limit of its travel or load range. Technical Support and Service Technical support is an important consideration when purchasing advanced EDM equipment. Large-taper machining involves more variables than conventional vertical wire cutting, and operators may need assistance with programming, setup, parameter selection, wire alignment, and maintenance. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. provides rapid response and professional technical support for equipment operation and maintenance. The company also provides operation training to help users become familiar with the control system and production procedures. An intuitive control interface reduces the learning curve, but training remains valuable. Operators should understand how taper geometry is generated, how wire compensation affects the result, how flushing influences stability, and how to respond to wire breakage or abnormal discharge. Proper training helps customers use the DK45D efficiently and safely. For overseas customers, service planning should include installation guidance, spare parts availability, remote technical assistance, documentation, and communication procedures. A machine tool is a long-term production asset, so support capability should be evaluated alongside technical specifications. Q&A Q1: What is the main advantage of the DK45D? The main advantage is its large-taper cutting capability combined with four-axis X, Y, U, and V linkage. The machine can produce steep and variable taper profiles that are difficult or impossible to complete efficiently on a conventional vertical wire-cut EDM machine. Q2: What maximum taper can the DK45D cut? The DK45D provides a maximum cutting taper of ±30° per 40 mm. The actual usable taper depends on workpiece thickness, profile geometry, wire condition, programming, and process parameters. Q3: What is the maximum workpiece thickness? The maximum cutting thickness is 450 mm. Customers should confirm the complete workpiece dimensions, fixture arrangement, flushing access, and taper requirements before production. Q4: Can the machine process heavy workpieces? Yes. The DK45D has a maximum worktable load of 400 kg. Heavy workpieces must be supported and clamped correctly, and the total load should remain within the machine’s specified capacity. Customers requiring greater load capacity can consider the DK55D, DK63D, or DK80D models. Q5: What control system does the DK45D use? The machine uses the X8/AUTOCUT control system. The system provides an operator-oriented interface and supports the control requirements of four-axis large-taper machining. Q6: Is the DK45D suitable for inexperienced operators? The intuitive control interface helps new operators learn the basic procedures more quickly. However, operators should receive training in wire EDM safety, workpiece setup, taper programming, flushing, parameter selection, and maintenance. The manufacturer provides detailed operation training and technical support. Q7: What materials can be processed? The DK45D can process conductive metals and alloys across a broad range of hardness levels. Typical applications include tool steels, die steels, alloy materials, and other conductive workpiece materials. The exact cutting strategy should be established according to material composition, thickness, required finish, and dimensional requirements. Q8: Can the DK45D reduce secondary grinding? Yes, in suitable applications. By cutting a tapered profile directly, the machine may reduce or eliminate certain secondary milling, grinding, or manual fitting operations. The extent of reduction depends on the drawing requirements and the required final surface condition. Q9: What surface roughness can the machine achieve? The specified optimal surface roughness is Ra ≤ 2.5 μm. The final result depends on the material, workpiece thickness, cutting parameters, number of passes, wire type, flushing, and inspection conditions. Q10: What optional configurations are available? Optional configurations include a high-pressure water tank, linear scale, and AC servo drives for the XY worktable. Customers can discuss these options with the manufacturer according to the desired accuracy, automation level, and production requirements. Q11: How does the machine maintain accuracy during high-load cutting? The DK45D uses a rigid machine structure, high-precision linear rail support, controlled four-axis movement, and an EDM control system designed for stable discharge. Correct leveling, workholding, wire alignment, flushing, and thermal management are also essential for maintaining accuracy. Q12: How does the DK45D compare with larger models? The DK45D is intended for medium-sized components and has a 400 kg worktable load and 450 mm maximum cutting thickness. The DK55D, DK63D, and DK80D provide progressively larger worktables, greater load capacity, and increased cutting thickness for larger or heavier workpieces. Conclusion The DK45D CNC Large-Taper Wire-Cut EDM Machine is engineered for manufacturers that require more than conventional two-dimensional wire cutting. Its large taper capability, four-axis X/Y/U/V linkage, 450 mm maximum cutting thickness, 400 kg worktable load, and X8/AUTOCUT control system provide a practical solution for complex molds, dies, aerospace components, automotive parts, and precision machinery. Its advantages are most evident when a component contains steep slopes, variable taper, different upper and lower profiles, deep contours, or hardened conductive material. By bringing these operations into a single wire-cutting process, the machine can reduce secondary machining, improve dimensional consistency, and support more efficient production. The DK45D’s performance is supported by structural rigidity, precision linear guideways, controlled wire transport, optimized flushing, and a manufacturing process that includes accuracy testing, simulated machining, full-load operation, and final inspection. These capabilities reflect the technical experience of Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., a company with a long history in EDM and wire-cutting technology. For companies seeking a flexible and cost-effective large-taper WEDM solution, the DK45D offers a balanced combination of cutting capacity, precision, stability, and application versatility. Proper machine selection, professional installation, operator training, and disciplined process control will allow users to obtain the greatest value from the equipment throughout its service life. References 1. Technical specification materials for the DKD Large Cutting Taper WEDM series. 2. Product information for the DK45D CNC Large-Taper Wire-Cut EDM Machine. 3. GB/T 7926-2015, Accuracy of Wire-Cut Electrical Discharge Machines. 4. General principles of electrical discharge machining and wire electrical discharge machining. 5. Manufacturer-provided information concerning X8/AUTOCUT control, machine configuration, quality inspection, and technical support. 6. Manufacturer-provided company profile and development history for Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. Product: DK45D CNC Large Taper Wire Cut EDM Machine for Precision Mold Machining .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-08-13
DK-7745 High-Speed Wire EDM Machine: Precision, Productivity, and Heavy-Duty Cutting Capability
In modern mold manufacturing, aerospace production, automotive engineering, and precision component processing, manufacturers require cutting equipment that can combine dimensional accuracy, stable operation, high productivity, and practical operating costs. The DK-7745 CNC high-speed wire electrical discharge machining machine is designed to meet these requirements through a large working range, four-axis coordinated movement, a rigid machine structure, a high-speed reciprocating wire system, and an intelligent control platform. As a high-speed wire-cut EDM solution, the DK-7745 is intended for companies that need reliable performance when machining difficult-to-cut conductive materials, complex profiles, hardened steels, cemented carbide, precision molds, and large workpieces. Its design balances the advantages of high-speed wire cutting with the need for dependable accuracy during demanding production cycles. The machine is positioned within the DK-77 high-speed WEDM series and is suitable for both individual precision jobs and repeat production. It provides a maximum cutting efficiency of up to 16,000 square millimeters per hour under appropriate processing conditions, a maximum cutting thickness of 450 millimeters in the standard DK-7745 configuration, and a maximum worktable load of 400 kilograms. Its four-axis linkage system supports the machining of straight contours, angled profiles, and complex geometries that require coordinated movement of the X, Y, U, and V axes. 1. Product Overview The DK-7745 is a CNC high-speed wire EDM machine developed for large and medium-to-large workpieces requiring dependable contour accuracy. The machine uses a continuously reciprocating electrode wire and controlled electrical discharges to remove material without direct mechanical contact between the cutting tool and the workpiece. This non-contact cutting principle gives the DK-7745 several important advantages. It eliminates conventional cutting forces, reduces the risk of mechanical distortion, and allows the processing of electrically conductive materials regardless of their hardness. Hardened tool steel, die steel, carbide, and other difficult materials can be machined after heat treatment, which can simplify the overall manufacturing process. The DK-7745 is particularly useful when a component contains narrow slots, internal contours, sharp corners, irregular profiles, deep sections, or shapes that would be difficult to produce with milling, sawing, or conventional turning. Because the electrode wire follows a programmed path, the same machine can be used for a wide variety of component geometries without requiring a large collection of dedicated cutting tools. Its design also emphasizes production stability. The high-strength machine frame, precision guide system, ball screw transmission, electrical control system, dielectric circulation system, and wire transport mechanism work together to support consistent cutting performance. This integrated design is important because the quality of a wire-cut EDM process depends not only on CNC positioning but also on wire tension, flushing, pulse control, thermal stability, and the rigidity of the machine structure. The product is available as part of a broader model family. Smaller DK-7725 and DK-7735 models can be selected for small and medium workpieces, while the DK-7745F and larger DK-7755F, DK-7763F, DK-7780F, and DK-77100F machines are designed for larger or heavier components. This model range allows customers to choose a suitable machine size without paying for unused capacity. DK-7745 CNC High-Speed Wire EDM Machine (4-Axis, 400×600mm Travel) 2. Main Technical Capabilities 2.1 Large Working Range The DK-7745 is configured for large workpieces and offers a substantial working table. The standard product data lists a worktable size of approximately 570 by 850 millimeters and an X/Y travel of approximately 450 by 550 millimeters. Product configurations may also be described according to a nominal 400 by 600 millimeter travel designation. Because machine specifications can vary according to configuration, control cabinet, and customer requirements, the final technical proposal should be confirmed before ordering. This working range gives the machine a practical advantage over compact wire EDM equipment. A larger table reduces the need to divide a workpiece into multiple setups, which can improve consistency between sections and reduce alignment errors. Fewer setups also lower fixture preparation time and make production planning more efficient. The 400-kilogram maximum worktable load listed for the DK-7745 allows the machine to support substantial molds, plates, dies, and mechanical components. A strong load capacity is especially valuable for workpieces that are not only large but also thick or dense. Proper workholding remains essential, but the machine’s structural design provides a stable foundation for heavy-duty cutting applications. 2.2 High Cutting Efficiency The DK-7745 can achieve a maximum cutting efficiency of up to 16,000 square millimeters per hour under suitable material, thickness, wire, flushing, and power conditions. Depending on the selected CNC cabinet and actual process parameters, the operating range is generally stated as approximately 10,000 to 16,000 square millimeters per hour. High cutting efficiency can shorten production cycles, increase machine utilization, and improve the output of a workshop without requiring a proportional increase in floor space. For manufacturers producing multiple cavities, inserts, punch components, or repeated profiles, even a small reduction in cutting time can create significant annual savings. Actual performance depends on many factors, including material grade, workpiece thickness, required surface quality, corner geometry, wire type, dielectric condition, flushing pressure, and the selected electrical parameters. The maximum figure should therefore be understood as a performance reference rather than a guaranteed result for every application. Professional process preparation is necessary to achieve the best balance between speed, precision, surface finish, and wire consumption. 2.3 Four-Axis Linked Movement The DK-7745 uses X, Y, U, and V axis stepper drives with four-axis linkage. The X and Y axes control the primary worktable movement, while the U and V axes coordinate the upper wire guide. This configuration allows the machine to produce taper cuts and other profiles in which the upper and lower contours are different. The listed maximum cutting taper is up to plus or minus 6 degrees over 80 millimeters, subject to the material, thickness, machine setup, and process conditions. Taper cutting is valuable in die manufacturing, punch production, mold inserts, and components that require draft angles or nonparallel sidewalls. Four-axis interpolation also helps the machine process more complex shapes than a basic two-axis system. It can support the production of angled surfaces, transition profiles, and components whose upper and lower geometries must remain coordinated. This expands the range of work that can be completed on one machine and reduces reliance on secondary operations. 2.4 Surface Finish and Accuracy The DK-7745 is designed to achieve an optimal surface roughness of Ra 2.5 micrometers or better under appropriate finishing conditions. Surface roughness depends on the number of finishing passes, electrical parameters, wire condition, flushing stability, material characteristics, and the required dimensional tolerance. The product information identifies linear accuracy of up to 0.005 millimeters and taper accuracy of approximately 0.015 millimeters for suitable processing conditions. The machine accuracy is referenced to GB/T 7926-2015. These values position the DK-7745 as a practical solution for high-precision molds, mechanical components, and production parts that require controlled contour quality. In industrial production, accuracy is not determined by the nominal specification alone. Thermal behavior, installation, leveling, workpiece clamping, dielectric temperature, wire tension, and maintenance all influence final results. The DK-7745 addresses these variables with a rigid structure, precision transmission components, controlled wire movement, and a process-oriented design intended to support repeatable results. 3. Machine Structure and Manufacturing Quality 3.1 High-Strength Machine Bed A wire EDM machine must remain geometrically stable while supporting the workpiece, table, wire transport system, and dielectric system. The DK-7745 uses a heavy-duty structure intended to resist vibration and deformation during long machining cycles. The machine bed is manufactured from high-strength cast material and subjected to aging treatment to reduce internal stress. Stress relief is an important manufacturing step because residual stress can gradually cause deformation, especially when a large casting is exposed to temperature changes or continuous mechanical loading. A stable bed supports the alignment of the guide rails and ball screws. It also helps maintain the relative position between the worktable, wire guides, and workpiece. When the structure remains stable, the machine is better able to preserve geometric accuracy over extended operating periods. 3.2 Precision Guideways and Ball Screws The drive system uses precision ball screws and high-rigidity linear guides to support the X and Y axes. Ball screws help convert motor rotation into controlled linear motion with low friction and limited backlash. Linear guides provide smooth movement and support the table under load. These components are important for both absolute positioning and repeatability. A machine may produce an accurate first cut, but production value depends on its ability to reproduce that accuracy across multiple workpieces and different travel positions. Smooth transmission and rigid guidance contribute to more consistent contour machining and reduce the risk of dimensional variation. The long-travel capability of the DK-7745 makes the quality of its guide and transmission system particularly important. Deflection, vibration, or friction over a long stroke can affect corner accuracy and surface quality. The combination of precision ball screws, rigid guideways, and a stress-relieved structure is intended to address these challenges. 3.3 High-Speed Reciprocating Wire System The high-speed reciprocating wire system is central to the machine’s operation. The electrode wire travels through the workpiece zone at high speed, discharges electrical energy into the material, and is then collected or returned according to the machine’s wire transport design. The wire drum is dynamically balanced to limit vibration during high-speed operation. Precision guide rails help maintain stable wire travel, while the wire tension system supports controlled positioning in the cutting zone. Reduced vibration can improve the quality of the machined surface and lower the risk of irregular discharge conditions. High-speed wire EDM can reuse the electrode wire through reciprocating operation. This is one of its major economic advantages compared with single-use wire systems. Reusable wire can reduce consumable expenditure and make the process attractive for mold shops and general precision machining companies that require a balance between accuracy and operating cost. 3.4 Electrical Discharge and Pulse Control The DK-7745 uses a high-frequency pulse power system with variable electrical control. In wire EDM, material removal occurs when controlled electrical discharges form between the energized wire and the conductive workpiece. The dielectric fluid provides insulation between pulses and helps carry away eroded particles. Stable pulse energy is essential when cutting thick or difficult materials. Excessive or unstable energy can increase wire breakage, damage the workpiece surface, or create undesirable dimensional errors. Insufficient energy can reduce cutting speed and lead to inefficient processing. The DK-7745’s power control system is designed to adjust discharge conditions according to the cutting stage and material response. The product design includes a responsive internal power control module intended to reduce the impact of pulse fluctuations. Stable electrical output supports a more consistent discharge gap and helps maintain the balance between removal rate, surface quality, and wire reliability. 3.5 Dielectric Circulation and Flushing Efficient flushing is necessary to remove eroded particles from the cutting gap. If debris remains in the machining zone, it can cause unstable discharges, short circuits, wire breakage, poor surface finish, and dimensional errors. The DK-7745 includes a dedicated dielectric fluid circulation system to support cooling and chip evacuation. The flushing system also helps control thermal accumulation. Although the EDM process does not use direct mechanical cutting force, electrical energy produces heat in the discharge zone. Stable fluid circulation helps remove heat and maintain more consistent machining conditions. For thick workpieces, flushing becomes even more important because the cutting gap is deeper and debris removal is more difficult. Correct nozzle adjustment, clean dielectric fluid, appropriate filtration, and regular maintenance are necessary to achieve the best performance. 4. Advantages Compared with Alternative Cutting Equipment 4.1 Compared with Conventional Milling Milling machines remove material through direct contact between a rotating tool and the workpiece. This method is highly versatile, but it can become difficult when the material is extremely hard, the profile is narrow, or the component contains deep internal features. The DK-7745 uses electrical discharge rather than mechanical cutting force. As a result, it can process hardened steel and cemented carbide without requiring the cutting tool to withstand the same mechanical loads encountered in milling. It can also produce narrow slots and intricate internal contours that may be difficult to reach with a milling cutter. Wire EDM is not intended to replace milling in every application. Milling is often faster for bulk material removal and can process nonconductive materials. However, the DK-7745 is highly effective for final contour cutting, precision profiling, hardened components, and geometries where milling would require specialized tools or multiple setups. 4.2 Compared with Sawing and Mechanical Profiling Sawing and mechanical profiling are suitable for relatively simple shapes, but they are limited when the workpiece requires tight contour control, fine internal openings, sharp transitions, or taper geometry. Mechanical contact can also create burrs, tool deflection, and cutting forces that affect thin or delicate workpieces. The DK-7745 provides a non-contact process capable of following programmed complex profiles. The absence of direct tool pressure helps reduce distortion, particularly when the workpiece has delicate sections or low structural rigidity. The machine can also produce internal shapes after a starting hole has been prepared. 4.3 Compared with Low-Speed Wire EDM Low-speed wire EDM systems generally use a continuously supplied single-use wire and are often selected for very high precision, excellent surface finish, and demanding finishing operations. High-speed wire EDM systems such as the DK-7745 use a reciprocating wire, which can reduce wire consumption and operating costs. The DK-7745 is therefore attractive to manufacturers that need high productivity and reliable precision while maintaining practical consumable costs. It can be especially suitable for domestic mold shops, general toolrooms, production workshops, and companies that need to process a broad range of components rather than only ultra-high-precision finishing work. High-speed wire EDM may require careful process optimization to achieve the highest surface quality. However, the DK-7745 supports multiple passes and controlled finishing strategies, allowing users to select a suitable balance between rough cutting speed and final surface quality. 4.4 Compared with Smaller Wire EDM Machines Compact wire EDM machines are useful when floor space, workpiece size, and load requirements are limited. However, a smaller machine may require additional setups for large molds or heavy components. Repositioning a workpiece can introduce alignment errors and increase preparation time. The DK-7745 offers a larger working area and a 400-kilogram worktable capacity, making it more suitable for large dies, mold plates, aerospace components, and automotive tooling. Its greater capacity allows more workpieces to be processed in one setup, which can improve efficiency and reduce the need for auxiliary fixtures. 5. Productivity and Cost-Effectiveness 5.1 Reduced Production Cycle Time The combination of high cutting efficiency, large travel, and four-axis operation allows the DK-7745 to reduce the number of process steps required for many components. A single machine can perform rough cutting, contour machining, taper cutting, and finishing passes within one controlled setup. Fewer transfers between machines reduce waiting time and make production scheduling easier. They also reduce the possibility of errors caused by repeated clamping, manual alignment, or the transfer of workpiece coordinates between different machines. For batch production, the benefit becomes more significant. Once a program and workholding method have been verified, similar parts can be processed with repeatable settings. The machine’s CNC control system supports a more standardized workflow, helping operators move from drawing review to program preparation and machining with fewer manual interventions. 5.2 Lower Electrode Wire Consumption The reciprocating wire system enables the electrode wire to be reused during machining. This can provide a meaningful cost advantage over single-use wire processes, particularly when the machine is used for extended production runs or a wide variety of mold components. Wire consumption is influenced by wire diameter, tension, cutting speed, material thickness, electrical settings, and the number of wire changes. Even so, the reusable wire principle remains one of the defining economic benefits of high-speed wire EDM. 5.3 Efficient Use of Floor Space The DK-7745 is designed to provide a substantial machining range without requiring a disproportionately large installation footprint. Its layout is optimized to accommodate long travel and a large workpiece while maintaining practical access for loading, setup, operation, and maintenance. Efficient floor-space utilization is important for manufacturers expanding production capacity. A machine that can process larger workpieces without occupying excessive floor area can improve output per square meter and delay the need for facility expansion. 5.4 Flexible Model Selection The DK-77 series includes several sizes so that customers can select equipment according to workpiece dimensions, load, accuracy, and production volume. The DK-7745 is intended for large-sized components and high-precision molds, while the DK-7745F is designed for extra-large or heavy workpieces. The available model range includes the following representative configurations: ModelWorktable SizeX/Y TravelMaximum Worktable LoadMachine WeightDK-7725410 × 600 mm250 × 320 mm250 kg800 kgDK-7735500 × 750 mm350 × 450 mm300 kg1,100 kgDK-7745570 × 850 mm450 × 550 mm400 kg1,250 kgDK-7745F570 × 950 mm450 × 650 mm500 kg1,350 kg The table demonstrates the position of the DK-7745 within the model range. It offers more worktable capacity and travel than the DK-7725 and DK-7735, while remaining more compact and economical than the larger heavy-duty models. 6. CNC Operation and User Experience 6.1 Intuitive Control Interface The DK-7745 is equipped with a CNC control system designed to simplify programming, setup, and daily operation. The control interface supports the management of coordinated four-axis movement and provides access to cutting parameters, machining stages, wire operation, and process monitoring. An intuitive interface is important because wire EDM operators must coordinate several variables at once. These include workpiece positioning, wire threading, cutting direction, electrical settings, flushing, taper values, and finishing passes. A clear control structure can reduce training time and help operators identify abnormal conditions more quickly. The machine can support the import and conversion of graphic data, helping streamline the transition from design drawings to machining programs. Depending on the selected control configuration and software package, users may also benefit from graphic verification, program checking, and power-loss memory functions. 6.2 Simplified Training The DK-7745 is intended to be accessible to operators who receive systematic training in wire EDM principles, machine safety, workholding, programming, and process control. The CNC system reduces the need for extensive manual calculations and provides a more structured operating procedure. New operators still require proper instruction. They must understand dielectric management, wire threading, electrical hazards, workpiece conductivity, grounding, cutting parameters, and emergency procedures. However, an integrated interface and repeatable machine layout can shorten the learning curve and reduce dependence on highly specialized manual skills. 6.3 Four-Axis Programming Four-axis programming allows the machine to coordinate the lower and upper wire guides. For a straight cut, both guide systems may follow a consistent path. For a tapered or three-dimensional profile, the upper guide can move relative to the lower guide according to the programmed geometry. This capability is useful for stamping dies, injection mold inserts, punches, guide components, and other parts that require taper or coordinated upper and lower contours. Correct programming must account for workpiece thickness, wire offset, taper direction, entry and exit conditions, and the desired final dimensions. 7. Applications in Key Industries 7.1 Precision Mold Manufacturing Mold manufacturing is one of the most important applications for the DK-7745. The machine can cut mold inserts, cavities, cores, punches, stripper plates, guide components, and complex die sections. Many molds are made from hardened tool steel and contain narrow slots, sharp corners, internal openings, or intricate profiles. The non-contact EDM process allows these features to be produced without the cutting forces associated with conventional machining. The machine’s taper capability is also valuable when mold components require draft or angled surfaces. For mold shops, the DK-7745 can support both prototype and production work. It can process one-off components according to a customer drawing and can also repeat programmed contours for multiple cavities or standardized tooling components. 7.2 Stamping Dies and Punches Stamping die components often require high contour precision and excellent alignment between complementary parts. The DK-7745 can machine punches, die plates, inserts, and other components used in progressive dies, blanking dies, forming dies, and precision stamping tools. The ability to process hardened material after heat treatment can simplify the manufacturing sequence. Instead of machining a softer material and relying on later correction, a manufacturer may perform final contour cutting after hardening, subject to its process plan and required tolerance. 7.3 Aerospace Components Aerospace components may combine high-strength alloys, complex geometries, and demanding dimensional requirements. The DK-7745 is suitable for selected conductive aerospace parts, tooling, fixtures, and precision components that can be processed by wire EDM. Its large worktable and load capacity support substantial components, while the four-axis system can produce taper and complex contour features. Aerospace manufacturers must qualify the process carefully, including material certification, dimensional inspection, surface integrity, and traceability. The machine provides the underlying cutting capability, while application-specific procedures determine final compliance. 7.4 Automotive Components The automotive industry uses numerous dies, molds, precision plates, gears, inserts, and specialized components. The DK-7745 can support the production of automotive tooling and conductive components that require complex profiles or hardened-material machining. High cutting efficiency is particularly beneficial in automotive tooling because manufacturers often need to produce multiple similar components under strict delivery schedules. A machine that combines repeatable programming, large workpiece capacity, and economical wire consumption can contribute to shorter lead times. 7.5 Precision Mechanical Parts Precision machinery manufacturers can use the DK-7745 for keyways, narrow slots, intricate profiles, special gears, cutting tools, and components that are difficult to produce with standard machining methods. Because the wire follows a programmed contour, the machine is suitable for low-volume and medium-volume production. It can also support engineering development, where product designs may change frequently and dedicated tooling would not be economical. 7.6 Electrical and Electronic Components Electrical and electronic equipment often requires small, precise conductive parts, connector components, stamping tools, and miniature mold elements. The DK-7745 can process these components when their dimensions and material requirements fall within the machine’s operating range. For production environments with demanding repeatability, the machine’s CNC control, stable wire movement, and multi-pass cutting capability can help maintain consistent component quality. 8. Manufacturing Strengths of the Supplier The manufacturer behind the DK-7745 has specialized in electrical discharge wire cutting since 1999. Its POOSN brand was established in 2003, and the company later developed its own manufacturing base and expanded its product lines across medium-speed, high-speed, and large-taper wire-cut EDM equipment. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. combines research and development, production, testing, and technical service. The company manufactures wire-cut EDM machines for domestic and international markets and has supplied selected models to customers in Southeast Asia, West Asia, Europe, and the Americas. 8.1 Experience in EDM Technology Long-term specialization in electrical discharge wire cutting gives the manufacturer practical experience in the areas that directly influence machine performance. These areas include machine-bed design, wire transport, pulse power, guideway alignment, dielectric circulation, CNC integration, and process support. EDM equipment is not simply a mechanical structure with a control panel. Its performance depends on the relationship between electrical discharge behavior, fluid circulation, wire tension, mechanical accuracy, and software control. A manufacturer focused on EDM can develop these systems as an integrated platform rather than treating them as separate components. 8.2 Production and Inspection Capabilities The company maintains advanced processing equipment and comprehensive testing methods. Each machine tool undergoes positioning accuracy testing, and the manufacturing process is organized around national technical standards and quality requirements. Inspection of a wire EDM machine should include mechanical geometry, axis movement, positioning behavior, repeatability, wire alignment, electrical operation, dielectric circulation, and control-system functionality. Such testing helps confirm that the machine is ready for installation and production use. The manufacturer also emphasizes final assembly inspection and quality control before shipment. This approach helps reduce commissioning time and gives customers greater confidence that the machine will operate as expected after installation. 8.3 Product Development and Innovation The company has developed a range of wire-cut EDM products for different workpiece sizes and processing requirements. Its product lines include PS-C and DK77-BC medium-speed models, DK77-A and DK77-B high-speed models, and DK77-D large-taper models. The company has also obtained a patent related to a fully automatic CNC machine tool using plate-type winding and suction-type adhesive technology. This development reflects its interest in improving machine automation and specialized wire-cutting functions. In 2021, the company was recognized as a high-tech enterprise in Taizhou. Such recognition reflects the importance of continuous engineering development, although customers should always evaluate the specific technical capability, service response, and application suitability of the machine being purchased. 8.4 Customization and OEM/ODM Support The DK-7745 series can be customized to meet different production requirements. Customization may include machine configuration, control cabinet selection, worktable arrangement, process support, application adjustments, and other technical options agreed during the project stage. The standard control cabinet is identified as the ZH-K68 desktop cabinet, while the ZHZK-03 vertical cabinet is available as an option. The cabinet choice may depend on workshop layout, operator preference, installation conditions, and the desired control configuration. OEM and ODM support can be valuable for distributors, machine-tool integrators, and industrial buyers who require specific branding, documentation, electrical standards, or application configurations. Each customized project should be reviewed technically to ensure that the requested options remain compatible with the machine’s structure and control system. 9. Quality Assurance and Long-Term Reliability 9.1 Structural Stability Long-term EDM accuracy depends heavily on structural stability. Aging treatment of castings helps reduce the effects of internal stress, while a heavy-duty frame reduces vibration during table movement and wire operation. A stable structure is especially important for the DK-7745 because it is intended for large and heavy workpieces. The machine must maintain the relationship between the workpiece, wire guides, table, and axes throughout the cutting cycle. Structural rigidity supports this relationship and helps prevent accuracy loss caused by vibration or deformation. 9.2 Accuracy Verification Machine accuracy should be verified through positioning tests, repeatability tests, geometric inspection, and test cutting. The manufacturer states that each machine undergoes positioning accuracy testing before delivery. In demanding applications, customers may also request additional inspection documentation and sample-cutting verification. Some product information refers to laser interferometer inspection before shipment. This type of measurement can help evaluate axis positioning behavior and identify deviations along the travel range. The final result at the customer site still depends on transportation, installation, leveling, environmental conditions, and commissioning. 9.3 Maintenance Requirements Regular maintenance is necessary to protect the machine’s accuracy and productivity. Operators should inspect wire guides, wire tension components, dielectric filters, pumps, nozzles, electrical connections, ball screws, linear guides, and protective covers according to the maintenance schedule. Dielectric fluid should be kept clean and replaced or filtered as necessary. Contaminated fluid can reduce flushing efficiency and destabilize the discharge process. Wire guides and contact components should be checked for wear because their condition directly affects wire positioning. The machine should also be installed in a suitable environment with stable temperature, adequate ventilation, appropriate electrical supply, and sufficient space for loading and maintenance. Environmental control is particularly important when customers require tight tolerances over long cutting cycles. 10. Recommended Selection and Installation Considerations 10.1 Confirm Workpiece Dimensions Before selecting the DK-7745, customers should confirm the maximum workpiece length, width, thickness, and weight. The workpiece must fit not only within the table dimensions but also within the usable cutting range after considering clamping fixtures, wire access, starting holes, and flushing requirements. The standard DK-7745 specification lists a maximum cutting thickness of 450 millimeters. Components approaching the maximum thickness may require special process parameters, extended cutting time, and carefully designed flushing. Customers processing extra-thick workpieces should evaluate the DK-7745F or a larger model if the application requires additional clearance or load capacity. 10.2 Evaluate Required Surface Quality Customers should define whether the application requires rough cutting, general precision cutting, or multiple finishing passes. The DK-7745 can support different process strategies, but cutting speed and surface finish are normally balanced against each other. For example, a mold insert may require rapid rough cutting followed by several finishing passes to achieve the desired surface quality. A production plate may prioritize throughput and dimensional repeatability. Establishing the required outcome before purchase helps determine the appropriate CNC configuration, consumables, and process-support package. 10.3 Consider Material and Conductivity Wire EDM requires an electrically conductive workpiece. Common materials include hardened steel, tool steel, stainless steel, copper alloys, and cemented carbide. Nonconductive materials cannot normally be processed by standard wire EDM without specialized treatment or alternative technology. Material composition and heat treatment affect cutting speed, wire wear, surface response, and flushing behavior. Sample testing is recommended when customers plan to process unfamiliar alloys or unusually thick sections. 10.4 Prepare Utilities The listed power supply is 3N 380 volts with a tolerance of plus or minus 10 percent. Customers should confirm local electrical standards, grounding, protection devices, transformer requirements, and workshop capacity before installation. Installation also requires appropriate dielectric fluid, drainage or recycling arrangements, lifting equipment, access routes, and a stable foundation. The machine’s dimensions and weight should be reviewed against the workshop layout and transport path. 11. Technical Specification Summary ItemDK-7745 Reference SpecificationProduct TypeCNC high-speed wire-cut EDM machineAxis ConfigurationX, Y, U, and V axes; four-axis linkageWorktable SizeApproximately 570 × 850 mmX/Y TravelApproximately 450 × 550 mm; nominal product designation may reference 400 × 600 mmMaximum Cutting Thickness450 mmMaximum Cutting TaperPlus or minus 6 degrees over 80 mmMaximum Cutting Efficiency10,000 to 16,000 square millimeters per hourOptimal Surface RoughnessRa 2.5 micrometers or better under suitable conditionsLinear AccuracyUp to approximately 0.005 mm under stated conditionsTaper AccuracyApproximately 0.015 mm under stated conditionsMaximum Worktable Load400 kgControl CabinetZH-K68 standard; ZHZK-03 vertical cabinet optionalPower Supply3N 380 V plus or minus 10 percentMachine WeightApproximately 1,250 kgMachine DimensionsApproximately 1,825 × 1,400 × 1,830 mmAccuracy StandardGB/T 7926-2015 reference Specifications may vary according to the final configuration, control cabinet, customer options, and technical agreement. Buyers should confirm the final machine data, installation drawing, power requirements, included accessories, and acceptance criteria in the commercial and technical documents. 12. Service, Technical Support, and Custom Solutions For a wire EDM machine, technical support extends beyond delivery. Customers may require assistance with installation, leveling, wire threading, dielectric preparation, programming, parameter selection, troubleshooting, and operator training. The manufacturer provides professional technical support intended to maintain operational stability. Support can include process optimization, consumable selection, cutting strategies for special workpieces, and recommendations for improving productivity or surface quality. Customization services are available for customers with specific production requirements. A technical review should consider workpiece size, material, tolerance, taper, production quantity, surface finish, automation expectations, electrical standards, and workshop conditions. This information allows the supplier to propose a more suitable machine configuration rather than relying solely on a standard catalog specification. After-sales support is particularly important for customers purchasing their first high-speed wire EDM machine. A structured training program can help operators understand the relationship between cutting parameters and results. Timely technical communication can also reduce downtime when a customer encounters wire breakage, unstable discharge, poor flushing, or unexpected dimensional variation. 13. Frequently Asked Questions Q1: What type of machine is the DK-7745? The DK-7745 is a CNC high-speed wire electrical discharge machining machine with X, Y, U, and V axes and four-axis linkage. It is designed for precision contour cutting, taper cutting, mold manufacturing, and the processing of large conductive workpieces. Q2: What is the maximum worktable load? The maximum worktable load listed for the DK-7745 is 400 kilograms. The workpiece, fixture, and any supporting tooling must be evaluated together to ensure that the total load remains within the permitted limit. Q3: What is the maximum cutting efficiency? The maximum reference cutting efficiency is up to 16,000 square millimeters per hour. A practical operating range of approximately 10,000 to 16,000 square millimeters per hour is indicated, depending on material, thickness, electrical settings, flushing, wire condition, and the selected control cabinet. Q4: Can the machine cut hardened steel? Yes. Wire EDM is suitable for electrically conductive hardened steels and other difficult-to-cut materials. Because it uses electrical discharges rather than direct mechanical cutting, the DK-7745 can process hardened tool steel, die steel, and selected carbide materials without softening them first, subject to application requirements. Q5: Does the DK-7745 support taper cutting? Yes. Its U and V axes support four-axis coordinated movement and taper cutting. The listed maximum taper is up to plus or minus 6 degrees over 80 millimeters, subject to workpiece thickness, material, setup accuracy, and process conditions. Q6: What surface finish can the machine achieve? The optimal surface roughness is listed as Ra 2.5 micrometers or better under suitable machining conditions. The final surface quality depends on the material, cutting thickness, number of passes, electrical parameters, wire condition, dielectric cleanliness, and flushing stability. Q7: Is high-speed wire EDM economical for production? High-speed wire EDM can be economical because the reciprocating wire system allows wire reuse. The DK-7745 also supports high cutting efficiency, large workpiece capacity, and repeatable CNC operation. These features can reduce consumable costs and production cycle time compared with some alternative wire EDM processes. Q8: How difficult is the machine to operate? The DK-7745 uses an integrated CNC control system with an intuitive interface. Operators still need training in safety, programming, workholding, dielectric management, wire threading, and process adjustment, but the CNC system can reduce the learning curve and standardize daily operation. Q9: What control cabinet options are available? The standard configuration uses a ZH-K68 desktop cabinet. A ZHZK-03 vertical cabinet is available as an option. The appropriate cabinet depends on the workshop layout, operator requirements, and final technical configuration. Q10: Can the machine process large molds? Yes. The DK-7745 is designed for large workpieces and high-precision molds. Its worktable, travel range, and 400-kilogram load capacity make it suitable for many mold components, die plates, punches, inserts, and similar applications. Extra-large or heavier workpieces may require the DK-7745F or a larger model. Q11: What maintenance is required? Routine maintenance includes checking wire guides, wire tension, dielectric fluid, filters, pumps, nozzles, electrical connections, ball screws, linear guides, and protective components. Regular cleaning and correct fluid management are necessary to protect accuracy and maintain stable discharge conditions. Q12: Can the supplier provide customized solutions? Yes. Customization can be discussed according to workpiece dimensions, material, required accuracy, taper, surface quality, production volume, control cabinet, and special process requirements. The final options should be confirmed through a technical review before purchase. Q13: What industries use the DK-7745? The machine is suitable for precision mold manufacturing, stamping dies, aerospace components and tooling, automotive components, precision mechanical parts, electrical and electronic equipment, and other industries that process conductive materials with complex profiles. Q14: What should customers confirm before ordering? Customers should confirm workpiece size, thickness, weight, material conductivity, required tolerance, surface finish, taper, production volume, machine configuration, power supply, installation conditions, included accessories, training, warranty, and acceptance-test requirements. 14. Conclusion The DK-7745 high-speed wire EDM machine is designed for manufacturers seeking a practical combination of large-workpiece capacity, high cutting efficiency, four-axis taper capability, precision control, and economical operation. Its high-strength structure, stress-relieved castings, precision guideways, ball screws, balanced wire system, controlled pulse power, and dielectric circulation system support stable machining across a broad range of industrial applications. Compared with conventional mechanical cutting, the machine offers the advantages of non-contact processing, hardened-material capability, complex contour cutting, and reduced mechanical distortion. Compared with smaller wire EDM equipment, it provides a larger working range and greater load capacity. Compared with single-use wire systems, its high-speed reciprocating wire design can reduce electrode consumption and improve operating economics. The machine’s value is strengthened by the manufacturer’s long experience in EDM technology, in-house production and inspection capabilities, broad product range, customization services, and technical support. Through careful selection, correct installation, disciplined maintenance, and application-specific process development, the DK-7745 can become a dependable production asset for mold shops, precision machining companies, and industrial manufacturers. For buyers evaluating a high-speed wire-cut EDM machine, the most important considerations are not only the headline cutting speed or travel specification. Structural stability, control integration, wire management, electrical reliability, flushing performance, inspection procedures, service capability, and long-term technical support all contribute to the total value of the equipment. The DK-7745 is engineered around these combined requirements and provides a strong solution for high-precision, medium-to-large workpiece processing. References 1. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK-77 High-Speed Wire EDM Product Information and Technical Specification Data. 2. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd., DK-7745 Product Application, Maintenance, and Service Materials. 3. GB/T 7926-2015, Machine Tools—Test Conditions for Wire Electrical Discharge Machines. 4. International Organization for Standardization, General Principles of Electrical Discharge Machining and Machine Tool Accuracy Verification. 5. Manufacturing Engineering Reference Materials, Electrical Discharge Machining Processes, Dielectric Circulation, Pulse Control, and Wire Transport Systems. 6. Industrial Machine Tool Maintenance Guidelines, Precision Guideways, Ball Screws, Workholding, and Environmental Control. Product: DK-7745 CNC High-Speed Wire EDM Machine (4-Axis, 400×600mm Travel) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-08-09
High-Speed Wire-Cut EDM for Precision Molds and Efficient Metalworking
Introduction to High-Speed Wire-Cut Electrical Discharge Machining Wire Electrical Discharge Machining, commonly called WEDM or wire-cut EDM, is one of the most important non-traditional machining technologies for producing complex contours, narrow slots, precision dies, punches, inserts, and conductive components. Unlike conventional milling, turning, or grinding, wire-cut EDM removes material through controlled electrical discharges between a continuously moving electrode wire and a conductive workpiece. Because the cutting force is extremely low, the process can machine hardened materials and intricate profiles without creating the mechanical distortion commonly associated with heavy-contact cutting. The DK-7725 CNC High-Speed Wire EDM Machine is designed for manufacturers that require a practical combination of cutting speed, precision, load capacity, stability, and production flexibility. It provides four-axis linkage control through the X, Y, U, and V axes, supports worktable loads of up to 250 kilograms, and offers a maximum cutting efficiency of 10,000 to 16,000 square millimeters per hour when paired with a suitable CNC control cabinet. Its working envelope is well suited to small and medium-sized parts, precision molds, mechanical components, and batch production. The machine is part of a wider high-speed wire EDM platform that also includes larger models for medium, large, and extra-large workpieces. This product range allows users to select equipment according to worktable size, travel distance, cutting thickness, workpiece weight, and production requirements. The DK-7725 is especially suitable where workshop space, operating cost, and machining precision must be balanced without sacrificing useful cutting performance. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. combines long-term experience in electrical discharge machining with modern CNC control, precision mechanical production, testing, and technical support. The company has developed and manufactured wire-cut EDM equipment since 1999 and has continued to improve its products for mold manufacturing, precision engineering, automotive components, aerospace parts, electronics, and general metalworking. DK-7725 CNC High-Speed Wire EDM Machine (4-Axis, 250kg Load) Product Positioning and Main Advantages The DK-7725 is positioned as a high-speed wire-cut EDM machine for precision-oriented and efficiency-focused production. Its design is not limited to one type of customer. Tool and die manufacturers can use it to produce complex mold profiles, while precision component manufacturers can use it for slots, contours, small holes, and parts requiring high dimensional consistency. Its 250-kilogram maximum table load provides sufficient capacity for many small and medium-sized workpieces without requiring the larger floor space or higher investment associated with heavy-duty machines. High Cutting Efficiency One of the machine’s main advantages is its rated maximum cutting efficiency of 10,000 to 16,000 square millimeters per hour. Actual performance depends on the selected CNC cabinet, workpiece material, thickness, wire condition, flushing conditions, and machining strategy. Nevertheless, this range gives the DK-7725 a strong position for rapid production and short delivery cycles. Higher cutting efficiency reduces the time required for rough cutting and can improve the utilization rate of the machine. In a production environment, shorter machining cycles allow more workpieces to be processed during each shift. The result can be increased output without adding another complete machining cell. Faster processing also helps manufacturers respond to urgent mold repairs, replacement components, and small-batch orders. Efficiency is not determined by speed alone. A high-speed EDM machine must maintain a stable discharge gap, control wire tension, remove debris, and prevent wire breakage. The DK-7725 is therefore designed as an integrated system in which the power supply, wire transport mechanism, mechanical structure, cooling and filtration equipment, and CNC software work together. This coordinated approach helps convert electrical energy into productive cutting rather than excessive downtime or unstable machining. Four-Axis Linkage for Taper and Complex Profiles The DK-7725 uses X, Y, U, and V axis control with four-axis linkage. X and Y control the main worktable movement, while U and V control the upper and lower wire-guide positions. By coordinating these axes, the machine can cut tapered profiles and contours whose upper and lower shapes are different. The maximum cutting taper is specified as plus or minus six degrees over 80 millimeters. This capability is valuable for die components, punches, inserts, sloped surfaces, and parts that require a controlled angular profile. Four-axis interpolation also provides greater flexibility than a basic two-axis wire-cut system, particularly when the workpiece contains transitions, corner details, or varying upper and lower geometries. For mold manufacturers, taper control can reduce the need for additional operations after wire cutting. Instead of cutting a straight profile and then relying on manual fitting or another machine to create the angle, the required geometry can be programmed directly into the EDM process. This can reduce setup changes, improve repeatability, and simplify the overall production route. Micron-Level Machining Capability The DK-7725 is specified with a linear cutting accuracy of 0.005 millimeters and a taper accuracy of 0.015 millimeters, subject to proper installation, environmental control, workpiece preparation, and process conditions. These values make the machine appropriate for many high-precision mold and mechanical component applications. Precision is supported by the mechanical structure as well as the controller. The machine bed uses a high-rigidity cast iron structure intended to damp vibration and maintain geometric stability. Castings are subjected to aging treatment to help release internal stress before precision machining and assembly. Rigid guideways and accurately produced lead screws support smooth worktable movement, while the control system manages coordinated axis motion and discharge parameters. In practical operation, accuracy also depends on factors such as thermal variation, worktable leveling, wire-guide condition, dielectric cleanliness, electrical grounding, and correct programming. The manufacturer’s installation and commissioning service is therefore an important part of the total equipment solution. Proper leveling and accuracy testing at the customer’s site help the machine achieve more consistent performance during daily production. Strong Load Capacity in a Compact Product Class The DK-7725 supports a maximum worktable load of 250 kilograms. This capacity enables users to process steel plates, mold inserts, dies, fixtures, and other workpieces that would be unsuitable for a lightweight precision machine. The table size is 410 by 600 millimeters, with X and Y travel of 250 by 320 millimeters. The combination of a 250-kilogram load rating and a relatively compact work envelope is useful for workshops that need structural strength but have limited installation space. It also provides a practical entry point for manufacturers whose workpieces are too heavy for small machines but do not justify the cost and space requirements of a large-format EDM system. The DK-7725 has a listed maximum cutting thickness of 350 millimeters. This allows the machine to work with substantial mold plates and thick conductive material. In thick-section cutting, stable flushing, appropriate discharge parameters, and correct wire tension are essential. The machine’s power supply and wire transport design are intended to support stable cutting conditions over a range of workpiece thicknesses. Technical Specification Overview The following table summarizes the principal specifications of the DK-7725 and places the model within the related machine family. The larger models are included to help buyers understand the available capacity range. SpecificationDK-7725DK-7735DK-7745DK-7745F Worktable Size410 × 600 mm500 × 750 mm570 × 850 mm570 × 950 mm X/Y Travel250 × 320 mm350 × 450 mm450 × 550 mm450 × 650 mm Maximum Cutting Thickness350 mm450 mm450 mm450 mm Maximum Cutting Taper±6°/80 mm±6°/80 mm±6°/80 mm±6°/80 mm Maximum Cutting Efficiency10,000–16,000 mm²/h10,000–16,000 mm²/h10,000–16,000 mm²/h10,000–16,000 mm²/h Optimal Surface RoughnessRa ≤ 2.5 μmRa ≤ 2.5 μmRa ≤ 2.5 μmRa ≤ 2.5 μm Drive TypeX, Y, U, V stepper drive; four-axis linkageX, Y, U, V stepper drive; four-axis linkageX, Y, U, V stepper drive; four-axis linkageX, Y, U, V stepper drive; four-axis linkage Maximum Worktable Load250 kg300 kg400 kg500 kg Machine Weight800 kg1,100 kg1,250 kg1,350 kg Machine Dimensions1,300 × 1,080 × 1,625 mm1,650 × 1,250 × 1,830 mm1,825 × 1,400 × 1,830 mm1,825 × 1,550 × 1,830 mm The DK-7725 is supplied with the ZH-K68 standard desktop control cabinet. The ZHZK-03 vertical cabinet is available as an optional configuration. The power requirement is three-phase, five-wire, 380 volts with a tolerance of plus or minus ten percent, subject to confirmation before installation and shipment. Engineering Design of the DK-7725 High-Frequency Pulse Power Supply The pulse power supply is central to the performance of any wire-cut EDM machine. During machining, controlled electrical pulses create small plasma channels between the molybdenum wire and the conductive workpiece. Each discharge removes a minute amount of material. The quality of the finished surface and the stability of the cutting process depend on the frequency, duration, energy, and spacing of these pulses. The DK-7725 uses a high-frequency pulse power supply designed to maintain a stable discharge gap during high-speed wire travel. The control system samples machining conditions and adjusts discharge behavior to limit abnormal sparking. This is particularly important when cutting thick workpieces, complex corners, narrow slots, or materials with varying electrical characteristics. A stable pulse system can also reduce the likelihood of wire breakage. Wire breakage interrupts the process, requires operator intervention, and can create dimensional errors if the machine must be restarted from an unsuitable position. By controlling discharge energy and maintaining effective debris evacuation, the DK-7725 is intended to support continuous cutting and reliable production. Rigid Cast-Iron Machine Structure Mechanical rigidity directly affects EDM accuracy. Although wire-cut EDM is a non-contact process, the worktable, guide system, wire guides, and workpiece support must remain stable during movement and flushing. Vibrations or gradual structural movement can influence contour accuracy, taper consistency, and surface quality. The DK-7725 uses a high-rigidity HT250 cast iron bed. Cast iron provides useful vibration-damping characteristics and a stable foundation for the guideways and worktable. Aging treatment is applied to help reduce the effect of residual casting stress. The result is a structure designed for long-term operation under changing thermal and machining conditions. Accurate guide rails and lead screws are selected to provide low-friction movement and repeatable positioning. Smooth motion is especially important when cutting small radii, sharp corners, and long contours. When the axes move without excessive backlash or vibration, the CNC system can follow the programmed path more accurately. Constant-Tension Wire Transport The electrode wire must travel through the workpiece at a controlled speed and tension. Excessive tension can increase the risk of breakage, while insufficient tension may cause wire deflection, inaccurate corners, and inconsistent taper. The DK-7725 incorporates a constant-tension wire transport concept intended to maintain more stable wire behavior during machining. The wire transport system works together with guide wheels, wire guides, conductive blocks, and flushing nozzles. These components must be kept clean and correctly aligned. Regular inspection is important because wear on guide wheels or guide nozzles can affect surface finish and dimensional accuracy. Proper positioning of conductive blocks also helps limit abnormal wear on the molybdenum wire. The use of continuously moving wire allows each cutting section to receive a fresh electrode surface. This is a major advantage of wire EDM compared with fixed-electrode EDM methods. The moving wire carries away heat and replenishes the discharge surface, supporting stable cutting over long machining paths. Cooling and Filtration Dielectric fluid performs several functions during wire EDM. It cools the workpiece and wire, supports controlled discharge, and carries machining debris away from the cutting gap. If the fluid becomes excessively contaminated, discharge stability may decline and the quality of the finished surface may suffer. The DK-7725 is designed with industrial cooling and filtration functions to help maintain a clean and stable machining environment. Multi-stage filtration can reduce the concentration of suspended particles in the working fluid. Stable temperature control also helps reduce thermal variation during extended production cycles. For best results, operators should monitor fluid condition, inspect filters, maintain pumps, and follow a regular cleaning schedule. Proper flushing pressure must be selected according to the workpiece thickness and cutting geometry. Excessive or insufficient flushing can both create problems, so process settings should be adjusted according to the actual application. CNC Control and Four-Axis Interpolation The DK-7725 is equipped with a CNC system that supports four-axis simultaneous control. The operating interface is intended to be accessible to operators with different levels of technical experience. Programs can be prepared from CAD data and converted into machining paths appropriate for the selected workpiece and cutting strategy. The control system does more than execute a programmed trajectory. Path algorithms can analyze changes in direction, corners, arcs, and taper requirements. Discharge parameters may be adjusted to support more uniform cutting conditions around complex profiles. This can help reduce visible differences in surface texture and decrease the amount of secondary grinding or fitting required after EDM. Four-axis control also provides flexibility in managing upper and lower wire-guide movement. When the upper and lower profiles differ, the control system coordinates the U and V axes with X and Y movement. This capability is useful for tapered punches, dies, sloped inserts, and other components where a straight vertical cut is insufficient. Manufacturing Strengths of the Equipment Supplier Machine performance depends not only on the published specification but also on how the machine is designed, manufactured, assembled, calibrated, and supported. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. has specialized in electrical discharge wire cutting since 1999. This long-term focus allows the company to build experience around the complete EDM process rather than treating wire-cut machines as a secondary product line. Experience in Specialized Electrical Discharge Machining The company’s product portfolio includes PS-C and DK77-BC medium-speed wire-cut EDM machines, DK77-A and DK77-B high-speed wire-cut EDM machines, DK77-D large-taper wire-cut EDM machines, and the DK-77 high-speed series. This range covers different requirements for speed, taper, workpiece size, load capacity, and production scale. A broad product family provides two important advantages for customers. First, users can select a model that matches their actual workpieces instead of overbuying a machine with unnecessary capacity. Second, companies with expanding production can move to a larger model while remaining within a familiar product platform and service system. Structured Production and Quality Testing The company reports that its products are manufactured according to national standards and that each machine tool undergoes positioning accuracy testing. Quality control is especially important for EDM machines because their performance depends on the relationship between mechanical accuracy, electrical stability, software control, and fluid management. Manufacturing quality begins with the machine bed and major castings. High-rigidity components must be properly aged, machined, inspected, and assembled. Guide rails, lead screws, wire transport components, electrical cabinets, and control interfaces must then be integrated without introducing alignment errors. Final testing verifies that the machine can move accurately and operate reliably before delivery. Inspection should include axis positioning, repeatability, table movement, wire-guide alignment, electrical functions, flushing, control response, and safety-related operating conditions. This type of systematic verification helps reduce installation problems and gives customers a clearer basis for acceptance testing. Research, Development, and Technical Innovation Taizhou Xinchengyang has continued to invest in the development of special processing equipment and automated control technologies. The company obtained a patent in 2018 for a fully automatic CNC machine tool featuring plate-type winding and suction-type adhesive technology. This development history reflects an effort to improve automation and the integration of mechanical and electrical systems. Modern wire EDM manufacturing requires more than conventional machine-tool construction. Users expect efficient programming, stable automatic operation, reduced maintenance, dependable spare parts, and consistent results across different workpiece materials. Research and development must therefore cover power electronics, motion control, wire transport, software, filtration, structural design, and process optimization. Factory and Testing Capabilities The company established its own factory after the formation of Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. in 2017. Its stated capabilities include advanced processing equipment, comprehensive testing methods, rational product design, and strong technical resources. These capabilities support more direct control over manufacturing quality, assembly standards, and product improvement. Internal production and testing can also improve customization efficiency. Customers may require a different control cabinet, special workholding arrangement, modified table configuration, or processing solution for a particular material and geometry. A manufacturer with experience across mechanical and electrical disciplines is better positioned to assess whether a requested modification is technically practical and how it may affect accuracy, safety, delivery, and maintenance. International Supply and Service Orientation The company’s machines are sold throughout China, with selected models exported to Southeast Asia, West Asia, Europe, and the Americas. International supply requires attention to packaging, electrical standards, documentation, installation conditions, operator training, spare parts, and communication across different technical environments. For overseas buyers, the value of a machine is determined by its complete ownership experience. A competitively priced machine may not provide good value if commissioning is difficult, technical information is incomplete, or replacement components are unavailable. Taizhou Xinchengyang emphasizes installation, commissioning, operator training, maintenance records, technical response, and software support as part of its service assurance system. Competitive Advantages in Practical Production Balanced Investment for Small and Medium Workpieces Compared with a large-format wire EDM machine, the DK-7725 requires less installation space and is more appropriate for shops working mainly with small and medium-sized parts. Its 800-kilogram machine weight and compact dimensions allow it to fit into a wider range of workshops, while its 250-kilogram table load supports substantial workpieces. Compared with a small, low-capacity machine, the DK-7725 provides stronger structural support, greater cutting thickness, and better load capacity. This balance is useful for manufacturers that want to increase production capability without immediately moving to a heavy industrial machine. Efficiency Without Abandoning Precision Some high-speed machining solutions emphasize productivity but require compromises in surface quality or dimensional control. The DK-7725 is designed to combine high-speed cutting with four-axis control, micron-level positioning capability, stable wire transport, and a target optimal surface roughness of Ra no greater than 2.5 micrometers under suitable conditions. In actual production, the best balance between speed and finish is usually achieved through multiple cutting strategies. A high-efficiency rough cut can remove the majority of the material, followed by one or more skim cuts that improve surface quality and contour accuracy. The DK-7725’s control and power systems can be configured for this type of staged process. Four-Axis Flexibility Compared with Basic Two-Axis Equipment Basic two-axis wire-cut machines are suitable for vertical profiles and certain straightforward contours. However, many modern molds and components require taper, relief, or different upper and lower geometries. Four-axis linkage gives the DK-7725 a broader application range and reduces the need for separate operations. This flexibility is especially valuable when a manufacturer processes different types of parts. The same machine can be used for straight punches, tapered dies, complex inserts, precision slots, and profiles with coordinated upper and lower contours. Such versatility can improve machine utilization and reduce the need to dedicate separate equipment to individual product categories. Reduced Dependence on Manual Finishing Accurate wire cutting and consistent surface texture can reduce manual polishing, fitting, and corrective grinding. Manual finishing is often time-consuming and may introduce variation between operators. When the EDM process produces a more consistent profile, the downstream workload becomes easier to predict. Reduced finishing does not mean that every application can eliminate secondary operations. Mold fitting, polishing, heat treatment, and inspection may still be necessary. However, accurate four-axis cutting and stable discharge control can reduce the amount of material that must be removed manually and improve the repeatability of the final component. Lower Maintenance Burden The DK-7725 includes an automatic lubrication system intended to reduce manual intervention. Its modular design philosophy allows core circuit boards and mechanical transmission components to be disassembled and replaced more easily. These features can reduce repair time and help keep the machine available for production. Maintenance cost is influenced by both component life and service accessibility. A machine that is easy to inspect and repair can reduce the labor associated with scheduled maintenance. The manufacturer’s spare-parts inventory and technical support further help users respond to wear or unexpected equipment issues. Applications of the DK-7725 Mold and Die Manufacturing Precision mold manufacturing is one of the primary applications for the DK-7725. The machine can process mold inserts, punches, dies, guide components, cavity plates, and other conductive steel parts. Wire EDM is particularly useful after heat treatment because it can cut hardened material without applying significant mechanical force. Complex mold profiles often include narrow corners, small radii, deep sections, and tapered surfaces. Four-axis linkage allows the machine to address these geometries more effectively than a simple vertical cutting process. The 350-millimeter maximum cutting thickness also supports a broad range of mold plates and die components. Precision Mechanical Components Manufacturers of precision machinery can use the DK-7725 for gears, fixtures, thin sections, special washers, precision plates, and custom profiles. The machine is capable of cutting conductive materials such as carbon steel, hardened steel, stainless steel, aluminum, copper, and cemented carbide, provided that the selected process parameters are appropriate. Because wire EDM produces little cutting force, it is useful for delicate or slender sections that may deform under milling pressure. The workpiece must still be securely supported, and stress relief should be considered when processing materials with significant internal stress. Automotive Components Automotive production frequently requires repeatable precision components, stamping dies, forming tools, and prototype parts. The DK-7725 can support both development work and small-to-medium batch production. Its cutting speed helps reduce lead times for replacement tooling, while its four-axis control supports complex die geometry. For automotive suppliers, production flexibility is important because product designs and tooling requirements may change frequently. A versatile wire EDM machine can process different part families without extensive mechanical reconfiguration. It can also support repair and modification work when an existing tool must be updated. Aerospace and High-Precision Parts Aerospace components often involve complex profiles, high-strength alloys, and strict dimensional requirements. Wire EDM can be beneficial for conductive materials that are difficult to machine with conventional cutting tools. The DK-7725 is suitable for small and medium-sized aerospace tooling and components when the workpiece dimensions and load remain within its specifications. For aerospace applications, process qualification and inspection remain essential. Users should establish documented cutting parameters, verify material condition, control temperature, and inspect finished parts with suitable measuring equipment. The machine provides the platform for precision machining, but application-specific quality procedures determine final compliance. Electronic and Small Precision Parts Electronic equipment production uses miniature conductive components, connector elements, stamping tools, and precision fixtures. The DK-7725 can produce small slots, intricate profiles, and thin sections without the same mechanical forces associated with conventional machining. When processing small components, careful wire alignment, stable fluid filtration, accurate programming, and appropriate skim-cut parameters are especially important. The machine’s four-axis control also allows manufacturers to produce specialized profiles for connectors and precision tooling. Process Workflow for Reliable Results Workpiece Preparation Before machining, the operator should confirm that the workpiece is electrically conductive and suitable for wire EDM. The material should be cleaned, securely clamped, and supported to prevent movement during cutting. For thick plates or heat-treated components, stress condition and flatness should be evaluated before programming. The workpiece should be positioned so that the required profile falls within the machine’s X and Y travel. Clearance must be provided for wire threading, flushing nozzles, clamps, and the movement of the upper and lower guide systems. Correct setup reduces the risk of collision and helps maintain consistent cutting conditions. Programming and Geometry Verification CAD geometry should be checked for open contours, duplicate lines, unsuitable radii, incorrect offsets, and unintended intersections. The operator should also verify the required cutting direction, entry point, exit point, taper angle, and compensation value. A program simulation can help identify potential errors before the wire enters the workpiece. For four-axis cutting, the upper and lower geometries must be defined correctly. The U and V axis movements should correspond to the intended taper or three-dimensional contour. A small programming error can produce a dimensional difference between the top and bottom of the workpiece, so geometry verification is an important part of the process. Rough Cutting and Skim Cutting Rough cutting is normally performed at a higher material-removal rate. The objective is to separate the component or remove most of the unwanted material efficiently. Rough-cut parameters should be selected according to the material, thickness, wire speed, flushing condition, and required stability. Skim cutting follows the rough cut when higher accuracy or better surface finish is required. Lower discharge energy and controlled path compensation remove a small amount of material from the previously cut surface. Additional skim cuts may be used for high-precision molds or components with demanding surface requirements. The operator should avoid choosing maximum speed as the only production target. Excessive speed under unsuitable conditions may lead to unstable discharges, wire breakage, corner errors, or poor surface quality. The most productive process is the one that delivers acceptable quality with minimum total cycle time, including setup, inspection, rework, and finishing. Inspection and Process Documentation Finished workpieces should be inspected according to the application. Important characteristics may include overall dimensions, contour accuracy, taper, surface roughness, corner radius, flatness, and positional relationships. Inspection results can be recorded alongside material type, thickness, wire condition, discharge settings, and cutting time. Process documentation helps operators reproduce successful results. It also allows the production team to identify recurring problems such as guide wear, fluid contamination, thermal drift, or incorrect offset values. Over time, a documented database of cutting conditions can improve productivity and reduce dependence on individual operator experience. Installation, Maintenance, and Operating Environment Installation Requirements High-precision EDM equipment should be installed on a stable foundation with adequate load-bearing capacity. The machine must be leveled accurately, and the surrounding area should be free from excessive vibration. Strong temperature fluctuations should be avoided because thermal expansion can affect dimensional accuracy during long machining cycles. The electrical supply must meet the machine’s specified requirements. Proper grounding is essential for operator safety, control stability, and discharge performance. The installation area should also provide sufficient access for loading workpieces, maintaining the filtration system, servicing the control cabinet, and replacing consumable components. Routine Maintenance Daily maintenance should include cleaning the worktable, checking the working fluid, inspecting wire guides and conductive blocks, and confirming that the wire transport system operates smoothly. Operators should monitor unusual vibration, abnormal noise, unstable discharge, reduced flushing, or repeated wire breakage. Scheduled maintenance should include lubrication checks, filter replacement, pump inspection, guide-wheel inspection, electrical cabinet cleaning, cable inspection, and accuracy verification. The automatic lubrication system reduces manual work but does not eliminate the need to check lubricant levels and distribution. Guide wheels and wire guides are wear components. Even small amounts of wear can influence wire position and cutting accuracy. Replacing worn components before they cause repeated dimensional errors is normally more economical than continuing to run an unstable process and correcting defective workpieces later. Working Fluid Management Clean working fluid supports stable discharge and improves surface quality. Filters should be cleaned or replaced according to operating hours and contamination level. The fluid tank and circulation system should be cleaned periodically to prevent sediment accumulation. The operator should also monitor fluid temperature and flow. Inadequate cooling can increase thermal variation, while insufficient flushing may allow debris to remain in the discharge gap. The correct balance depends on the workpiece thickness and geometry, so process conditions should be adjusted based on actual machining results. Operator Training Taizhou Xinchengyang provides technical training covering machine operation, CAD modeling and drafting, programming, process selection, inspection, and maintenance. Training is important because the quality of a wire-cut EDM process depends on both machine capability and operator decisions. A trained operator can select practical cutting conditions, recognize early signs of instability, maintain the wire path, verify taper settings, and respond correctly to wire breakage. Training also improves safety by ensuring that operators understand workholding, electrical requirements, fluid handling, emergency procedures, and access restrictions around moving components. Customization and Model Selection The DK-7725 is suitable for small and medium-sized parts and precision mold processing. It is a practical choice for high-precision and small-batch production where a 250-kilogram worktable load and 250 by 320 millimeters of X/Y travel are sufficient. The DK-7735 provides a larger worktable and increased travel for medium-sized components. The DK-7745 is designed for larger parts and molds, while the DK-7745F offers additional worktable length for larger or heavier applications. The wider DK77 platform also includes models such as the DK7755F, DK7763F, DK7780F, and DK77100F for progressively larger workpieces, higher loads, and greater cutting thickness. Customers should select a model based on more than the largest part they expect to process. Important factors include regular workpiece dimensions, fixture size, loading method, maximum weight, cutting thickness, required taper, available floor space, crane access, power supply, production volume, and future expansion plans. Customization services are available for customers with specialized workpieces or industry-specific standards. Possible options may include the control cabinet configuration, production programming support, workholding approach, process recommendations, and machine configuration for particular applications. Any customized requirement should be reviewed technically before order confirmation to ensure that it does not compromise machine safety or accuracy. Quality, Reliability, and Total Cost of Ownership A wire EDM machine should be evaluated according to its total cost of ownership rather than purchase price alone. Important cost elements include cutting time, wire consumption, working fluid, filters, electricity, maintenance, spare parts, operator labor, downtime, and secondary finishing. The DK-7725 contributes to cost control through high cutting efficiency, automatic lubrication, stable electronic control, modular maintenance, and a machine structure intended for long-term operation. When stable cutting reduces wire breakage and rework, the effective cost per part can decrease. When accurate cutting reduces manual finishing, labor productivity can improve. Reliability is also linked to the manufacturer’s support capability. Installation, commissioning, operator training, technical response, spare-parts availability, maintenance records, and software updates all affect the useful life of the equipment. Taizhou Xinchengyang presents these services as part of a complete industrial processing solution rather than as separate after-sales activities. Manufacturers should establish a preventive maintenance schedule from the first day of operation. Recording cutting hours, wire consumption, filter condition, guide replacement, lubrication, and accuracy checks makes it easier to predict service needs. This approach can prevent minor wear from becoming major production downtime. Q&A: Frequently Asked Questions What is the cutting accuracy of the DK-7725? The listed linear cutting accuracy is 0.005 millimeters, with a taper accuracy of 0.015 millimeters. Actual results depend on installation accuracy, temperature stability, workpiece condition, wire-guide wear, machine maintenance, programming, and selected cutting parameters. What materials can the machine process? The DK-7725 can process conductive metals including steel, hardened steel, stainless steel, aluminum, copper, quenched materials, and cemented carbide. The cutting parameters should be adjusted according to the material’s electrical and thermal characteristics, thickness, hardness, and required surface quality. What is the maximum workpiece size? The DK-7725 has a worktable size of 410 by 600 millimeters and X/Y travel of 250 by 320 millimeters. Its maximum cutting thickness is 350 millimeters, and its maximum worktable load is 250 kilograms. The actual usable size must also account for clamps, fixtures, wire threading, flushing, and required clearance. Can the machine cut tapered parts? Yes. The machine uses X, Y, U, and V axis stepper drives with four-axis linkage. Its maximum specified cutting taper is plus or minus six degrees over 80 millimeters. The operator must prepare correct upper and lower geometry and select suitable taper compensation in the CNC program. Is the DK-7725 suitable for mass production? Yes. Its high cutting efficiency and stable control make it suitable for repeated production, especially small-to-medium batch manufacturing. For continuous mass production, users should establish standardized programs, inspection procedures, wire and fluid management, preventive maintenance, and optimized loading and unloading methods. What surface finish can be achieved? The listed optimal surface roughness is Ra no greater than 2.5 micrometers under suitable machining conditions. Surface roughness depends on the number of cutting passes, discharge parameters, material, thickness, wire condition, fluid cleanliness, and flushing stability. Additional skim cuts may be required for demanding applications. What type of control cabinet is supplied? The standard configuration includes the ZH-K68 desktop control cabinet. The ZHZK-03 vertical cabinet is available as an optional configuration. Customers should confirm the preferred cabinet and electrical requirements during the technical specification stage. How can wire service life be extended? Operators should maintain constant and appropriate wire tension, inspect guide wheels and wire guides, keep the working fluid clean, and correctly position the conductive blocks. Excessive discharge energy, poor flushing, misalignment, and worn guide components can all increase abnormal molybdenum wire wear. What maintenance system does the machine use? The machine includes an automatic lubrication system and is designed with a modular approach for easier maintenance. Routine inspections remain necessary for the lubrication system, filtration system, pumps, wire path, guide components, electrical cabinet, and machine accuracy. Does the manufacturer provide installation and training? Yes. The service program includes installation and commissioning, precision leveling, accuracy testing, operator training, maintenance guidance, technical support, performance inspections, and software-related assistance. The exact scope should be confirmed in the purchase and delivery agreement. What environmental conditions are recommended? The machine should be installed in an area with limited temperature fluctuation, minimal vibration, proper grounding, and protection from strong magnetic interference. A clean, stable environment supports better dimensional consistency and reduces stress on the control and electrical systems. How should a buyer choose between the DK-7725 and larger models? The DK-7725 is appropriate when the workpieces fit within its travel, thickness, and load limits. Buyers should select the DK-7735, DK-7745, DK-7745F, or larger models when they require greater travel, table size, cutting thickness, or load capacity. The decision should be based on regular production requirements and future needs rather than only on one unusually large workpiece. Conclusion The DK-7725 CNC High-Speed Wire EDM Machine is a versatile precision-processing solution for manufacturers that need efficient cutting, four-axis taper control, stable operation, and practical workpiece capacity. Its 10,000 to 16,000 square millimeters per hour maximum cutting efficiency, 0.005-millimeter linear cutting accuracy, 250-kilogram load capacity, 350-millimeter maximum cutting thickness, and plus or minus six-degree taper capability make it suitable for a broad range of demanding applications. The machine’s advantages come from the interaction of several systems: a high-frequency pulse power supply, rigid aged cast-iron structure, accurate mechanical transmission, constant-tension wire transport, cooling and filtration, four-axis CNC control, and automatic lubrication. This integrated design gives manufacturers a balanced alternative to equipment that focuses only on speed, only on precision, or only on low initial cost. Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. strengthens the product through long-term EDM specialization, a broad machine portfolio, factory production, accuracy testing, technical development, customization, installation, training, and continuing service. These capabilities are important for customers seeking dependable equipment rather than a standalone machine purchase. For precision mold manufacturing, mechanical components, automotive tooling, aerospace parts, electronic components, and small-to-medium batch production, the DK-7725 provides a strong combination of productivity and process flexibility. With correct installation, operator training, preventive maintenance, and application-specific parameter optimization, it can help manufacturers shorten production cycles, control operating costs, improve repeatability, and achieve reliable long-term performance. References 1. Manufacturer-provided DK-77 High-Speed Wire EDM product specifications and model selection data. 2. Manufacturer-provided information regarding the DK-7725 CNC control system, four-axis linkage, cutting efficiency, accuracy, load capacity, and maintenance functions. 3. Manufacturer-provided company profile and development history of Taizhou Xinchengyang Machinery Manufacturing Co., Ltd. 4. General technical principles of Wire Electrical Discharge Machining, including pulse discharge, wire transport, dielectric filtration, taper cutting, and CNC interpolation. 5. GB/T 7926-2015, accuracy-related standard referenced for wire-cut electrical discharge machining equipment. 6. Manufacturer-provided service information covering machine installation, commissioning, operator training, technical support, spare parts, and maintenance assistance. Product: DK-7725 CNC High-Speed Wire EDM Machine (4-Axis, 250kg Load) .profile-card { display: flex; align-items: flex-start; gap: 2rem; background-color: white; padding: 2rem; border-radius: 12px; box-shadow: 0 2px 10px rgba(0,0,0,0.05); } .profile-avatar { width: 120px; height: 120px; border-radius: 50%; overflow: hidden; flex-shrink: 0; } .profile-avatar img { width: 100%; height: 100%; object-fit: cover; display: block; } .profile-info { flex-grow: 1; } .profile-name { font-size:27px; font-weight: 900; margin-bottom: 1rem; color: #1a1a1a; } .profile-bio { line-height: 1.6; color: #333; } @media (max-width: 600px) { .profile-card { flex-direction: column; align-items: center; text-align: center; gap: 1.5rem; } } Shen Yiru — After-Sales Service Engineer With 7 years of experience in EDM equipment service, she is responsible for installation guidance, troubleshooting, maintenance support, and customer training for medium-speed and high-speed wire-cut EDM machines.
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2026-07-30

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+86-0523-86268788 +86-13815960366 +86-13912191163

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No. 366, Yusheng Road Jiulong Town, Hailing District Taizhou City, China

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