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P ProtoCut
EDM Machining

Wire EDM Cutting
/ Ultra-Precision Parts

High-precision wire EDM for hardened metals, complex profiles, and tight tolerances impossible to achieve with conventional machining. No cutting forces, no distortion, no limits.

±0.002mm Accuracy
Micron-level precision
Any Hardness
Up to 68 HRC
Complex Profiles
No geometric limits
No Burr
Spark eroded clean finish
Overview

Wire EDM for the Most
Demanding Applications

Wire Electrical Discharge Machining (EDM) uses a thin electrically charged wire to erode conductive metal with extreme precision. It is the preferred process when tolerances below ±0.005mm are required, or when the workpiece is too hard or fragile for conventional cutting.

  • Hardened Steels up to 68 HRC — Wire EDM cuts fully hardened tool steels, carbide, and heat-treated metals that would destroy conventional cutting tools.
  • Intricate Profiles with No Limits — Internal sharp corners, intricate splines, keyways, and contours that are geometrically impossible with milling or grinding.
  • Excellent Surface Finish — Multi-pass EDM cutting achieves Ra 0.4μm surface finish, eliminating the need for subsequent grinding in many applications.
  • No Cutting Forces — The non-contact erosion process exerts zero mechanical force, making it safe for thin walls, delicate features, and stress-sensitive parts.
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Wire EDM Cutting
Capabilities

Wire EDM Capabilities

Specialized EDM services for toolmaking, aerospace, medical, and precision engineering industries.

2-Axis Wire EDM

Standard 2-axis wire EDM for profiles, slots, keyways, and external/internal contours on any conductive metal with ±0.002mm tolerance.

4-Axis Taper Wire Cutting

4-axis simultaneous wire EDM for tapered profiles, angular surfaces, and complex 3D forms such as turbine blade root slots and die tapers.

Micro Wire EDM (Ø0.05mm)

Ultra-fine wire EDM using 0.05mm diameter wire for micro slots, micro gears, and miniature components requiring features smaller than 0.1mm.

EDM Hole Drilling

Small hole EDM drilling for start holes, cooling passages, oil holes, and fuel nozzle orifices in hardened materials where conventional drilling fails.

Die & Punch Making

Precision punches and dies for blanking, piercing, and progressive tooling manufactured from D2, H13, and carbide with matched clearances.

Medical & Aerospace Parts

Surgical instruments, implant components, aerospace brackets, and fuel system parts machined from titanium, Inconel, and stainless with full traceability.

Specifications

Technical Specifications

Max Part Size 500 × 400 × 300 mm
Wire Diameter 0.1 – 0.3 mm
Min Slot Width 0.12 mm
Tolerance ±0.002 mm
Surface Finish Ra 0.4 μm
Cutting Speed 300 mm²/min
Materials Any Conductive Metal
Lead Time 3 – 7 days
Materials

Supported Materials

Tool Steel D2/H13 Tungsten Carbide Hardened Steel Stainless 304/316 Titanium Copper Brass Inconel
Why Wire EDM over Laser Cutting?

Wire EDM is preferred for hardened materials (above 40 HRC), tolerances tighter than ±0.05mm, and profiles requiring zero heat-affected zone. Laser cutting is faster and cheaper for soft metals and non-metals where micron tolerances are not required.

How It Works

Our Wire EDM Process

Precision from file to finished part with full dimensional traceability.

Upload CAD / DXF

Upload your part drawing in DXF, DWG, STEP, or IGES format. Include material specification, hardness, and required tolerance.

Quote & DFM Review

Our EDM specialists review the design for feasibility, wire entry requirements, and workholding constraints before confirming the quote.

Wire Program Setup

CAM engineers generate the optimized wire path program, selecting offset values and number of passes for the required surface finish.

EDM Cutting & QC

Parts are machined on calibrated wire EDM machines under stable temperature conditions. In-process checks ensure conformance throughout cutting.

Precision Measurement & Delivery

Final CMM inspection with full dimensional report. Parts are packed with protective wrapping and shipped with certificate of conformance.

Need ultra-precision EDM cut parts?

Upload your CAD file today and receive an instant quote within 60 seconds. High-precision wire EDM service with ±0.002mm tolerance.