JSEDM Wi-200S: Compact Submerge-Type Wire Cut EDM for High-Precision Small Workpiece Machining
JSEDM Wi-200S: The world's smallest submerge-type Wire Cut EDM designed for high-precision small workpiece machining. Features 210/200/155mm XYZ travel, 15-inch touchscreen interface, automated wire threading, and 212 machining parameters. Perfect for jewelry molds, watch components, and precision parts with ±1.5μm/300mm accuracy.
Submerge-Type Wire Cut EDM XYZ Travel 210 / 200 / 155
Wi-200S
Submerge-Type Slow Feeding Wire Cut EDM
The Wi-200S is a compact submerged wire EDM machine designed for high-precision machining of small workpieces. Ideal for universities, research institutions, R&D laboratories, and precision manufacturers, its space-saving design provides a cost-effective solution without compromising machining performance. Equipped with JSEDM's in-house developed CNC control system, the Wi-200S delivers stable cutting performance and user-friendly operation. It is well suited for conductive material research, sample preparation, prototype development, precision molds, and complex components, enabling users to establish reliable in-house precision machining capabilities.
Machine Introduction
The Wi-200S is JSEDM's smallest submerged wire EDM machine, featuring XYZ travel of 210 × 200 × 155 mm. Designed for small precision components, intricate contours, and fine-detail machining, it supports taper cutting up to ±22.5° at a workpiece height of 70 mm, providing flexibility for complex geometries and different upper and lower profiles.
Academic Research & Precision Manufacturing Applications
The Wi-200S combines a compact, space-saving design with the precision machining capabilities of JSEDM's wire EDM series, making it suitable for both research and industrial applications.
Ideal for universities, research institutions, R&D laboratories, and precision manufacturers, the machine supports conductive material research, sample preparation, prototype development, and specialized component machining.
In addition to tool and mold steels, the Wi-200S can machine conductive materials such as copper, brass, aluminum, tungsten carbide, and polycrystalline diamond (PCD), supporting diverse research and manufacturing needs.
Customized Research & Precision Machining Solutions
JSEDM offers customized fixtures, workpiece clamping solutions, mechanical modifications, and machining travel adjustments to meet specific research and manufacturing needs. With over 40 years of EDM experience, we work closely with customers to develop cost-effective solutions based on material properties, workpiece dimensions, machining requirements, and budgets, helping minimize customization costs and unnecessary equipment investments.
Have specific research or machining requirements? Share your workpiece dimensions, materials, and machining conditions with us. JSEDM will help you evaluate the most suitable machine configuration.
Precision Machining Applications
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Precision Jewelry & Miniature Molds
Suitable for jewelry molds requiring small holes, intricate contours, and precise corner radii. An optional automatic wire threading (AWT) system helps improve machining efficiency and productivity.
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Precision Gears & Miniature Mechanical Components
Supporting fine wire electrodes as small as 0.10 mm, the Wi-200S is ideal for precision gears, miniature mechanisms, and complex components requiring fine contours and tight tolerances.
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Aluminum Extrusion Dies & Precision Metal Components
Suitable for small aluminum extrusion dies and precision metal components, providing consistent cutting quality and reliable machining performance.
Beyond conventional precision machining, the Wi-200S is also suitable for research applications, including small component machining and precision test specimen preparation. Its compact design makes it particularly useful in space-limited environments. Explore our Wi-200S European University Case Study to see how the machine supports advanced materials research and laboratory applications.
Compact, High-Rigidity Structure for Stable Precision Machining

The Wi-200S features a high-quality Meehanite cast iron structure, providing excellent rigidity and vibration resistance within a compact machine design. Its rigid construction helps minimize vibration and structural deformation during machining, ensuring stable cutting quality and consistent performance. Designed for long-term reliability, the Wi-200S provides a solid foundation for machining intricate contours, miniature components, and high-precision workpieces. Its space-efficient design makes it ideal for research laboratories, small precision manufacturers, and users requiring reliable machining performance.
Precision Drive & Motion Control for Small Workpieces

The Wi-200S is equipped with precision ball screws, linear guideways, and a servo drive system, with optional high-resolution optical linear scales for enhanced positioning feedback. These precision motion components help reduce positioning errors and improve dimensional accuracy and repeatability when machining complex contours. Designed for miniature molds, precision components, and research samples, the Wi-200S delivers reliable motion control within a compact machining envelope, allowing users to achieve demanding machining requirements without investing in larger equipment.
In-House Developed Wire Feeding System for Stable Fine Wire Machining

The Wi-200S features JSEDM's in-house developed wire feeding and take-up system, providing stable wire movement and controlled wire tension throughout machining. The system can be adjusted for different wire diameters and cutting conditions, supporting fine-detail machining, intricate contours, and small precision components. Its proprietary mechanical design also facilitates maintenance, technical support, and customization for specialized applications, helping users achieve consistent cutting quality while reducing long-term maintenance requirements.
In-House Developed CNC Control System for Precision Machining
The Wi-200S features JSEDM's in-house developed CNC control system, integrating precision motion control, intelligent machining functions, and a user-friendly interface for stable and flexible wire EDM operations. With a minimum command increment of 0.0001 mm (0.1 μm) and standard DXF/DWG file support and conversion, the controller simplifies the workflow from engineering drawings to machining programs. Its versatile functions support precision molds, complex contours, and research sample preparation across different materials and machining conditions.
- 15-Inch High-Resolution Display & User-Friendly Interface: Equipped with a 15-inch high-resolution display and a Windows-based interface, the controller clearly presents machining information, program details, and machine operating status. Convenient menus and shortcuts simplify program setup, workpiece alignment, and machining operations.
- DXF/DWG File Support & Conversion: Standard support for DXF and DWG engineering drawing formats, with file conversion functions to simplify machining program preparation. This helps streamline workflows for precision components, prototypes, and research samples.
- 0.0001 mm Minimum Command Increment: Supports position command increments as small as 0.0001 mm (0.1 μm), enabling fine coordinate programming for intricate contours and precision machining paths.
- Squareness & Parallelism Compensation: Provides XY and UV axis squareness and parallelism compensation to help correct machine geometric errors and improve dimensional accuracy when machining complex profiles.
- Pitch Error & Backlash Compensation: Compensates for positioning errors in the mechanical drive system, improving motion accuracy, positioning repeatability, and machining consistency.
- Multi-Axis Control & Taper Cutting: Supports XYZUV multi-axis motion control for complex profiles and tapered geometries, with taper cutting angles up to ±22.5° at a workpiece height of 70 mm. Ideal for precision molds, angled surfaces, and specialized components.
- 212 Skim Cutting Parameters: Features 212 built-in skim cutting parameters for flexible machining adjustments based on workpiece materials, thickness, and surface finish requirements.
- Intelligent Machining Control: Integrates Fuzzy G95 and POS machining control functions to help optimize cutting conditions, improve machining stability, and maintain efficient operation across different workpiece geometries.
- Arc & Corner Deceleration Control: Includes 10 arc deceleration settings and 10 corner deceleration settings, allowing motion speed adjustments for improved cutting stability along intricate profiles and sharp corners.
- Corner Assistance Functions: Provides five types of corner assistance line settings to support different machining paths, simplify program editing, and improve flexibility when machining complex geometries.
- Dynamic 3D Machining Graphics: Displays machining paths and profiles with zoom, rotation, and detailed viewing functions, helping operators review complex geometries and taper cutting operations.
- 100 Coordinate System Records: Stores up to 100 coordinate settings for different workpieces and machining positions, reducing setup time and improving efficiency when switching between machining tasks.
- Ethernet Data Transfer: Supports Ethernet connectivity for transferring machining programs and related data, simplifying program management and information exchange.
- Automatic Maintenance Reminders & Consumable Management: Includes six maintenance record functions to help monitor consumables such as brass wire, filters, and ion exchange resin, supporting timely maintenance and reliable machine operation.
- In-House CNC Development & Factory Technical Support: JSEDM develops its own CNC control system, enabling direct factory support for machine operation, machining parameter recommendations, and troubleshooting. Customized control functions and machining workflows can also be evaluated for specialized applications.
- Optional Full CAD/CAM Software: In addition to standard DXF/DWG file support and conversion functions, optional full CAD/CAM software provides advanced drawing editing and machining program planning capabilities for complex contours, precision molds, and specialized applications.
Product Specification
Wi-200S Compact Submerged Wire EDM Machine – Technical Specifications
| Machining Method | Submerged Wire EDM |
|---|---|
| Machine Structure | Compact Two-Unit Integrated Design |
| XYZ Axis Travel | 210 × 200 × 155 mm |
| UV Axis Travel | 30 × 30 mm |
| Maximum Workpiece Dimensions | 550 × 470 × 120 mm |
| Maximum Workpiece Weight | 300 kg |
| Maximum Taper Cutting Angle | ±22.5° at 70 mm Workpiece Height |
| Drive System | 5-Axis AC Servo Drive |
| Simultaneous Controlled Axes | XYUV (4 Axes) |
| Machine Dimensions (L × W × H) | 2005 × 1770 × 1800 mm (Including 350 mm Display Console) |
| Machine Net Weight | Approx. 1,700 kg (Excluding Dielectric Fluid) |
| Dielectric Fluid | Deionized Water |
|---|---|
| Water Quality Control | Automatic Control |
| Water Tank Capacity | 450 L |
| Applicable Wire Diameter | Ø0.10–0.30 mm |
| Maximum Wire Spool Weight | 6 kg (Including Wire and Spool) |
| Power Supply Voltage | AC 220–600 V (Configured According to Local Power Supply) |
|---|---|
| Power Supply Frequency | 50 / 60 Hz |
| Power Supply Phase | 3-Phase |
| Machine Electrical Capacity | 11 kVA |
| Water Chiller Electrical Capacity | 2 kVA |
| Total System Electrical Capacity | Approx. 13 kVA (Including Water Chiller) |
| Control System | JSEDM In-House Developed CNC Controller |
|---|---|
| Operating Interface | Windows-Based Interface |
| Display | 15-Inch High-Resolution Display |
| Minimum Command Increment | 0.0001 mm (0.1 μm) |
| Drawing File Support | DXF, DWG (Standard) |
| Drawing File Conversion | Built-In File Conversion (Standard) |
| Skim Cutting Parameters | 212 Sets |
| Coordinate System Records | 100 Sets |
| Graphic Simulation | Dynamic 3D Machining Graphics |
| Data Transfer | Ethernet Network Connection |
| Measured Dimensional Deviation | ≤0.005 mm |
|---|---|
| Surface Roughness | Ra 0.4–0.5 μm |
| Machining Time (1 Rough + 3 Skim Cuts) | Approx. 40 minutes |
| Reference Test Material | SKD11 Tool Steel, 60 mm Thickness |
※ Machining Accuracy & Surface Roughness:
Reference tests were conducted on SKD11 tool steel
with a workpiece thickness of 60 mm.
The measured dimensional deviation of ≤0.005 mm
was achieved after one rough cut and one skim cut.
Surface roughness of Ra 0.4–0.5 μm
was achieved after one rough cut and three skim cuts.
※ Machining Time Test Conditions:
SKD11 tool steel, 60 mm thickness,
Ø0.25 mm brass wire.
Actual machining time may vary depending on cutting length,
workpiece geometry, and machining conditions.
※ Actual Machining Performance:
Machining accuracy and surface roughness
may vary depending on material properties,
workpiece thickness, wire diameter,
and machining conditions.
| CAD/CAM Software | Full CAD/CAM Software for Advanced Drawing Editing and Machining Program Preparation |
|---|---|
| High-Resolution Optical Linear Scales | Optional Optical Linear Scale Position Feedback System |
| CE Compliance | CE-compliant machine configurations are available upon request, with a Certificate of Compliance / Conformity issued by SGS. |
| UL Certification & Electrical Configuration | Electrical configurations designed to meet specified UL requirements are available upon request, allowing customers to arrange their own machine certification or field evaluation. UL-related electrical configurations alone do not constitute UL certification of the complete machine. Fully UL-certified machines are also available at an additional cost. |
※ Machine dimensions include the 350 mm display console.
Additional clearance is required for operation,
maintenance, and installation.
※ Machine net weight excludes dielectric fluid.
Actual operating weight should be evaluated
based on fluid volume and auxiliary equipment configuration.
※ Power supply voltage is configured
according to the customer's local electrical requirements.
Total system electrical capacity is approximately 13 kVA,
including 11 kVA for the machine
and 2 kVA for the chiller.
Final electrical requirements are subject
to the machine's factory electrical specifications.
※ Maximum taper cutting angle depends
on workpiece height and machining conditions.
※ Product specifications are subject to change
due to technical improvements or optional configurations.
Please contact JSEDM for detailed specifications
and available options.
- Gallery
- 2.5D image simulation allows customers to easily track the current cutting status, especially in taper cutting and abnormal shape with upper-lower shape difference.
- Multi-functional calibration interface equipped with graphical explanations, making it easy for users to learn and operate.
- Time-based maintenance records enable customers to replace consumables at routine time, enhancing machining stability.
- Time-based maintenance records enable customers to replace consumables at routine time, enhancing machining stability.
- With machining parameter data sheet, customers can refer to built-in parameters and select suitable machining conditions based on wire diameter, number of machining passes, and material type.
- Footprint layout, Small-size Wire-Cut EDM machines provide a high-quality and relatively affordable solution for customers with limited space.
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How can watch manufacturers ensure absolute precision when cutting microscopic gear components?
Watch gear production demands burr-free cuts and precise curvature where even microscopic errors affect timekeeping accuracy. The Wi-200S controller offers 212 sets of ultra-fine machining parameters, 10 sets each of arc and corner deceleration parameters, and fuzzy G95 control for optimal surface finishes. Our customers in the watch industry have achieved unprecedented precision for gears cut with 0.1mm diameter wire, resulting in components that meet the strictest tolerances while maintaining production efficiency and cost-effectiveness.
Equipped with a high-rigidity T-shaped machine body structure made from Meehanite cast iron with stress-relieving heat treatment, the Wi-200S delivers exceptional stability and precision during operation. The system features a 15-inch touch-screen interface with intuitive controls, a self-developed wire delivery system with high-hardness ceramic pulleys, and 212 sets of ultra-fine machining parameters that can be adjusted to different cutting requirements. Perfect for manufacturing jewelry pendant molds, precision watch gears, aluminum profiles, and other intricate components, the Wi-200S achieves right-angle accuracy within ±1.5μm/300mm while maintaining cost-effectiveness. This makes it the ideal solution for manufacturers seeking to produce high-precision parts with complex geometries at the lowest possible operational cost.





