EDM Discharge Machining Services

Specialized EDM services designed for hard-to-machine high hardness, deep cavity, and micro-structured metal components. Delivering stable, precise, and scalable production.

• Microstructure machining for hard alloys and mold steels
• One-pass forming of complex cavities, sharp angles, deep grooves, and intricate holes
• Fine-tuned discharge control balancing precision and surface quality
• Support for small batch prototyping and reliable mass production

Electrical Discharge Machining removes metal by pulsed discharge between electrode and workpiece. Unaffected by material hardness, ideal for molds, precision parts, and complex structures.

EDM Process Capability Overview

EDM Methods Covered

Wire EDM: Precision cutting of complex contours, narrow slots, and straight or curved profiles.
Cavity EDM (Sinker EDM): Ideal for deep molds, sharp grooves, and tight channels.
Micro EDM: Localized machining of ultra-fine holes and detailed microstructures.

Size and Travel Capacity

Customized maximum workpiece dimensions tailored per project requirements. Suitable thickness range for cutting and cavity depth. Precise electrode size and travel specifications ensure flexibility in machining.

Precision and Repeatability

Achieve micron-level dimensional tolerance with high geometric accuracy, including perpendicularity, parallelism, and coaxiality. Stable batch-to-batch consistency supports volume orders.

All Edm Machining Services

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Wire EDM Machining Services for High Precision Parts

Wire EDM machining services for precise complex parts from prototypes to production with tight tolerances and fast lead times

Suitable Materials and Component Types

Typical Applicable Materials

Mold steels and tool steels for plastic die casting and stamping molds
Hard alloys and superalloys with wear and heat resistance
Stainless and specialty steels for corrosion resistance and strength
Conductive non-ferrous metals like copper and titanium alloys

Typical Part Categories

Precision mold cavities with complex grooves, sharp corners, fine textures
High hardness stamping die inserts and forming blocks with intricate details
Functional parts with narrow gaps and sharp transitions
Fine guide rails, locating grooves, and internal features inaccessible by cutting

Common EDM Use Cases

Designs with sharp internal corners and deep cavities unmachinable by traditional tools
Materials too hard for economical conventional cutting
High demands for contour fidelity and dimensional consistency

At ZSCNC, we specialize in delivering precision EDM solutions tailored for complex materials and parts. Our advanced technology ensures exceptional accuracy to meet your high standards.

EDM Process Advantages

Precision and Detail Control
Surface Finish and Heat Affected Zone Management
Deformation and Residual Stress Minimization
Fixture and Electrode Coordination

ZSCNC provides top-tier electrical discharge machining services.

EDM and CNC Process Synergy

Processing Purpose

CNC machining builds primary structure with turning and milling
EDM completes challenging fine details
EDM handles intricate features too costly or impossible for conventional cutting

Advantages of Combined Processes

High accuracy for critical features without compromising dimensional integrity
Streamlined workflow reducing lead time and minimizing risks in CNC milling and EDM

Typical Workflow Example

Step One: Base shape machining using turning and milling creates datum and basic geometry
Step Two: EDM refines cavities, slots, and deep grooves
Step Three: Post heat treatment and EDM touch up or precision correction

Design and Process Support

ZSCNC provides EDM-specific design optimization advice for easier manufacturing and flawless assembly.

Quality Assurance and Inspection

Pre Production Review & Process Validation

Comprehensive manufacturability evaluation of drawings, materials, and tolerances. First piece EDM trials establish precise process windows, essential for machining success.

In Process Monitoring & Documentation

Track electrode wear, pulse parameters, and machining times to ensure reproducibility. Perform intermediate inspections to promptly address deviations during milling machining processes.

Inspection Tools & Techniques

Use high precision gauges and custom fixtures to verify critical dimensions. Focused measurement of mating surfaces ensures assembly accuracy compatible with turning machining standards.

Final Quality Verification

Deliver detailed inspection reports on customer demand confirming product conformance and quality standards, reinforcing ZSCNC’s commitment to excellence in five-axis machining.

Key Industries and Application Areas

Mold and Mold Components

Complex cavities and inserts for plastic die casting, powder metallurgy, and stamping molds — engineered with precision for optimal performance.

Precision Machinery and Automation Parts

Components with fine slots, narrow gaps, and sharp geometries in actuators, guides, and clamping devices to ensure exact motion control.

Instruments and Specialized Equipment Parts

Small, high-precision parts requiring sharp edges and consistently repeatable geometries for reliable instrumentation.

Prototyping and Small Batch High Precision Components

Rapid trial builds featuring complex designs that reduce tooling costs and shorten development cycles, ideal for rapid prototyping.

High precision prototyping and manufacturing

ZSCNC Custom Ordering Process & Technical Communication

Requirement Gathering

Provide 2D, 3D drawings, material specs, tolerances, surface finish, and
target quantities. Highlight critical features like deep cavities, sharp
angles, or microstructures.

Technical Evaluation & Quotation

Assess machining complexity, electrode needs, and batch sizes. Deliver a
comprehensive quote including lead times, precision, and quality control
highlights.

Sample Fabrication & Process Confirmation

Produce sample parts for precision or novel structures to validate
feasibility. Finalize process parameters before volume production. This
includes milling and turning processes.

Mass Production & Delivery

Execute production with scheduled inspections and reporting. Optionally
retain process data for seamless repeat orders, including advanced
five-axis machining techniques.