Wire EDM Machining Service in China

KaiMi utilizes advanced WEDM (Wire Electrical Discharge Machining) technology to process a wide range of precision metal parts. You need to provide the CAD files of your product, and we will efficiently handle the rest—ensuring fast and seamless delivery from design to finished part.

  • High Precision Machining: Ultra-precision wire cutting capabilities
  • Wide Material Compatibility: Supports commonly used metals such as aluminum, steel, tungsten steel, and copper
  • Rapid Delivery: Products and parts can be delivered in as fast as 24 hours
  • Comprehensive Certifications: Certified under ISO9001:2008 and TS16949 quality management systems
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Wire EDM

What is Wire EDM?

WEDM (Wire Electrical Discharge Machining) is a high-precision cutting technology that uses the principle of electrical discharge erosion to process conductive materials. It is particularly suitable for machining complex contours, high-hardness materials, and precision components, and is widely used in industries such as mold making, aerospace, and precision part manufacturing.

As a leading manufacturer of precision molds and components, KaiMi is equipped with a wide range of high-precision machinery, including Wire EDM machines, precision EDM equipment, CNC machining centers, and optical profile grinders. We are fully capable of meeting our clients' strict requirements for high-precision and high-quality machining.

Our Wire EDM Capabilities

  • 1. Machining Accuracy: Up to ±0.001 mm
  • 2. Surface Finish: Achievable up to Ra 0.03
  • 3. Minimum Wire Diameter: Ø0.03 mm
  • 4. Processable Materials: Hardened steel, tungsten carbide, titanium alloys, copper, aluminum, magnetic steel, semiconductor silicon wafers, high-temperature alloys (e.g., Inconel), etc.
  • 5. Maximum Machining Thickness: 250 mm
  • 6. Customized Services: Support for small-batch prototyping (1–10 pieces) and large-scale production
  • 7. Inspection Capabilities: Equipped with ZEISS CMM, NIKON vision measurement system, and NIKON height gauge

Our Wire EDM Equipment List

BrandModelOriginQtyMin. Wire ØTolerance(Ra)Travel (X × Y × Z)
AgieCharmillesCUT2000Switzerland20.03 mm±0.001 mmRa 0.03um350 × 250 × 256 mm
Sodick OilAP250Japan20.03 mm±0.001 mmRa 0.03um250 × 150 × 120 mm
SodickAQ400LSJapan10.10 mm±0.002 mmRa 0.15um400 × 300 × 250 mm
SodickALN400GSJapan10.10 mm±0.002 mmRa 0.15um400 × 300 × 250 mm
SeibuM50AJapan20.10 mm±0.002 mmRa 0.15um500 × 350 × 310 mm
SeibuM50BJapan20.10 mm±0.002 mmRa 0.15um500 × 350 × 310 mm
SeibuM50HPJapan20.10 mm±0.002 mmRa 0.15um500 × 400 × 310 mm
SeibuM35HPJapan20.10 mm±0.002 mmRa 0.15um350 × 300 × 230 mm

Key Characteristics of Wire EDM

Main Advantages

1. High Precision

Tolerances can reach up to ±0.001 mm, ideal for high-accuracy molds and precision components.

2. Excellent Surface Finish

Surface roughness as fine as Ra 0.03 can be achieved, often eliminating the need for secondary polishing.

3. Complex Geometry Capability

Easily handles intricate shapes such as narrow slots, sharp internal corners, and complex profiles.

4. Suitable for Hard Materials

Effectively processes hardened steels, tungsten carbide, titanium alloys, and high-temperature alloys.

5. No Cutting Force or Deformation

As a non-contact process, it introduces no mechanical stress to the workpiece.

6. Low Electrode Consumption

Uses standard copper or molybdenum wire electrodes with minimal wear.

Limitations

1. Conductive Materials Only

The process requires electrically conductive materials and cannot be used for ceramics or plastics.

2. Lower Processing Efficiency

Slower cutting speeds compared to milling or laser cutting, especially for thick materials.

3. High Equipment and Maintenance Costs

Wire EDM machines are expensive and require regular, precise maintenance.

4. Minimum Kerf Width Constraints

The narrowest achievable cut width depends on the wire electrode diameter (typically 0.03 mm to 0.25 mm).

Applications of Wire EDM Components

Wire EDM components are widely used across various industries due to their high precision and capability to process complex geometries.

1. Mold Manufacturing

  • • Stamping Dies: Punch and die inserts
  • • Injection Molds: Sliders, cores, precision inserts
  • • Die Casting Molds: Wear-resistant components

2. Precision Mechanical Parts

  • • Gears and Worm Wheels
  • • EDM Electrodes and Fixtures
  • • Precision Fixtures and Assembly Blocks

3. Electronics & Semiconductor

  • • Precision Connectors and Terminals
  • • Microstructure Processing
  • • Silicon wafers and substrates

4. Aerospace & Defense

  • • Turbine Blade Root Slots
  • • Structural Brackets
  • • High-Temperature Alloys components

5. Medical Devices

  • • Minimally Invasive Surgical Tools
  • • Titanium and stainless-steel implants
  • • Orthopedic Devices

6. Automotive & General Machinery

  • • Precision Gears, Bushings, Locating Pins
  • • Fuel Injector Parts
  • • Hydraulic and Pneumatic Control Elements

Materials for Wire EDM

KaiMi's Wire EDM services efficiently process a wide range of conductive metal materials, meeting the demands of precision component manufacturing.

Tool Steels

Steel 1018, 4130, 4140, 4140PH, A36, 4340, SKD11, DC53, SKS3, SKH9, SKH51, 45#, 1.2379, etc.

Stainless Steels

SS 303, 304L, 316L, 416, 440C, STAVAX

Aluminum Alloys

Alloys 6061, 7075, 7050, 2024, 5052, 6063, MIC6

Copper

Copper 110, C10100

Titanium

TA0, TA1, TA2, TC4, TB5, etc.

Brass

HPb63, HPb62, HPb61, HPb59, H59, H68, H80, H90, etc.

Why Choose Our Wire EDM Service?

1. Ultra-High Precision

Achieve dimensional tolerances up to ±0.001 mm and surface roughness as fine as Ra 0.03 μm—ideal for demanding applications.

2. Advanced Equipment

Equipped with top-tier machines from AgieCharmilles, Sodick, and Seibu, supporting wire diameters as small as 0.03 mm.

3. Wide Material Compatibility

Capable of processing hardened steel, tungsten carbide, titanium alloys, Inconel, copper, aluminum, and other conductive metals.

4. Complex Geometry Machining

Easily handle fine features, narrow kerfs, sharp internal corners, taper cuts (up to ±30°), and intricate contours.

5. Strict Quality Control

In-house inspection with ZEISS CMM, NIKON optical systems, and height gauges ensures dimensional and geometric accuracy.

6. Fast Turnaround

Efficient setup and streamlined production allow delivery in as fast as 24 hours for urgent projects.