EDM and Wire EDM Services

Our EDM service can process complex shapes in hard materials with high precision and efficiency, providing a flexible and precise production solution for custom parts.

Get a Rapid Quote
Aodson EDM and Wire EDM Services

Our EDM Capabilities

Aodson EDM Capabilities

EDM

Relying on precise electrical discharge machining to manufacture precision parts with features that are difficult for CNC machining, such as sharp corners, thin walls, deep grooves, and narrow cavities.

Aodson Wire EDM Capabilities

Wire EDM

WEDM can efficiently and accurately machine parts with hard materials and thorough structures such as elongated holes, deep cavities, and narrow slits.

Advantages of EDM and Wire EDM

EDM and Wire EDM offer unique benefits for high precision, intricate designs, and tough materials. Top six advantages of each:

Exceptional Precision and Accuracy

EDM and Wire EDM provide unmatched precision for complex geometries and tight tolerances, often within a few microns.

Ability to Machine Hard Materials

They are ideal for hard materials like tool steels, titanium, carbide, and hardened alloys, perfect for aerospace, automotive, and medical industries.

Complex Geometries and Intricate Features

Both excel at complex shapes, sharp edges, and intricate features, including internal cavities, undercuts, and fine holes. Wire EDM is great for narrow slots and precise contours, while EDM is ideal for 3D shapes with tight tolerances.

No Mechanical Stress on Workpieces

EDM and Wire EDM eliminate the risk of distortion, warping, or tool wear, valuable for delicate or thin-walled components.

Minimal Heat-Affected Zone

They generate minimal heat, keeping the heat-affected zone to a minimum, preventing material deformation and preserving workpiece quality, even with heat-sensitive materials.

High Flexibility in Materials and Shapes

EDM and Wire EDM are versatile with a wide range of materials, suitable for simple parts and highly complex, customized components, ideal for prototyping and low-volume production. This list highlights the key strengths of EDM and Wire EDM, showcasing their value across various industries and applications.

Electrical Discharge Machining Tolerances

Feature Standard Tolerance Tightest Achievable
Linear Dimensions ±0.01 mm (±0.0004") ±0.005 mm (±0.0002")
Hole Diameter ±0.015 mm (±0.0006") ±0.008 mm (±0.0003")
Slot Width ±0.02 mm (±0.0008") ±0.01 mm (±0.0004")
Edge Radius / Corner R0.2 mm typical R0.1 mm possible
Surface Finish (Ra) 1.2-3.2 μm Down to 0.8 μm with polishing
Standards Applied ISO 2768-m / ISO 2768-f ISO 286, DIN ISO 1302 etc.

Wire EDM Tolerances

Feature Standard Tolerance Tightest Achievable
Linear Dimensions ±0.005 mm (±0.0002") ±0.002 mm (±0.00008")
Hole/Opening Diameter ±0.006 mm (±0.00024") ±0.0025 mm (±0.0001")
Slot Width ±0.008 mm (±0.0003") ±0.003 mm (±0.00012")
Min. Corner Radius R0.05-0.1 mm typical Down to R0.02 mm
Surface Finish (Ra) 0.6-1.6 μm As low as 0.2 μm (multi-pass)
Standards Applied ISO 2768-f, GB/T 1804-2000 ISO 1302 for surface finish
Feature Standard Tolerance Tightest Achievable
Linear Dimensions ±0.01 mm (±0.0004") ±0.005 mm (±0.0002")
Hole/Opening Diameter ±0.012 mm (±0.0005") ±0.006 mm (±0.00024")
Slot Width ±0.015 mm (±0.0006") ±0.007 mm (±0.00028")
Min. Corner Radius R0.1-0.2 mm
Surface Finish (Ra) 1.2-2.5 μm ~1.0 μm with secondary pass
Standards Applied Cost-effective fine cutting Tooling, jigs, semi-precision
Feature Standard Tolerance Tightest Achievable
Linear Dimensions ±0.02 mm (±0.0008") ±0.01 mm (±0.0004")
Hole/Opening Diameter ±0.03 mm (±0.0012") ±0.015 mm (±0.0006")
Slot Width ±0.03 mm (±0.0012") ±0.015 mm (±0.0006")
Min. Corner Radius R0.2-0.3 mm
Surface Finish (Ra) 2.0-3.2 μm
Standards Applied Fast prototyping, low-cost General cutting, mold blanks

Why Choose Aodson

Fast

Lead time as fast as 3 days, accelerating your R&D and production progress, easily meet tight deadlines.

Precision

Tolerances as tight as 0.005mm, rich experience with advanced 5-axis CNC machines, mill-turn machines, and precision grinding machines, meets a variety of tolerance requirements.

Cost-effective

According to your functionality and quantity requirements, develop the optimal manufacturing process, combined with efficient self-owned factories to achieve optimal performance and cost.

One-stop Solution

From CNC machining to aluminum extrusion and heat treatment to surface finishing, from prototyping to mass production, easily and efficiently customize various parts.

Strict Quality Control

ISO 9001 quality management system certification, equipped with various quality inspection instruments including Zeiss coordinate, process and results can be controlled.

Engineering & DFM Support

Our engineers collaborate from the start — optimizing designs for manufacturability, improving strength-to-weight ratios, and reducing cost through smarter machining strategies.

EDM and Wire EDM FAQ

EDM (also called Sinker EDM) is ideal for creating deep cavities, complex shapes, and fine internal features, especially in hard metals. Wire EDM is best for precise, narrow kerf cuts, internal contours, and parts requiring tight tolerances. If you're unsure, our engineers will help you select the best process based on your CAD files and functional requirements.
We work with a wide range of conductive materials, including tool steel, stainless steel, Inconel, titanium, tungsten, and carbide. Wire EDM requires the material to be electrically conductive, while sinker EDM may be used for certain advanced composites and ceramic-coated surfaces. If you have a special alloy in mind, we're happy to run feasibility checks.
Typical lead time ranges from 3 to 10 working days, depending on part complexity, quantity, and surface finishing requirements. We offer expedited services for urgent prototyping or low-volume production needs — just let us know your deadline upfront.
Our Wire EDM machines routinely achieve tolerances of ±0.005 mm, and down to ±0.002 mm for critical features. Sinker EDM typically maintains ±0.01 mm. We use high-precision CMM and toolmakers' microscopes for inspection, and a full dimensional report can be provided on request.
You can upload your 2D drawings and 3D CAD files (STEP, IGES, or DXF formats) via our Quote Request Form. The more details you provide (material, quantity, finish, tolerance), the faster and more accurate your quote will be. Our engineers usually respond within 24 hours.

How to Work With Aodson

1

Upload Design

Submit your 3D drawings, processes, materials, quantities and other technical requirements.

2

DFM Analysis and Quotation

We will analyze the manufacturing feasibility based on your design and requirements and provide a report and quotation within hours.

3

Order Confirmation

Issue a purchase order or make a payment after DFM and quotation confirmation.

4

Parts Shipping

We will update you on the progress during the production and send it out after quality check, as soon as 3 days.

WhatsAppWhatsApp
WhatsApp
TelegramTelegram
Telegram
EmailEmail

[email protected]

ContactContact

Contact Us