What Is EDM for Titanium? - Complete Process Guide
Complete guide to electrical discharge machining of titanium alloys. Sinker and wire EDM capabilities, tolerances, surface finishes, and applications for precision titanium components.
Quick Answer
What is EDM for titanium?
Electrical discharge machining (EDM) erodes conductive titanium materials using controlled electrical sparks between an electrode and the workpiece submerged in dielectric fluid. It is ideal for machining hardened titanium, creating complex cavities, and producing features that are difficult or impossible with conventional cutting tools.
Sinker EDM Capabilities
| Parameter | Specification |
|---|---|
| Cavity depth | Up to 300 mm |
| Electrode wear ratio | 0.1鈥?.0% (copper-graphite) |
| Minimum corner radius | 0.02 mm |
| Surface finish | 0.4 碌m Ra (fine), 0.1 碌m Ra (ultra-fine) |
Applications
- Precision mould and die cavities for titanium injection moulding
- Cooling channel features in titanium tooling
- Complex internal geometries in aerospace components
- Medical implant features requiring burr-free surfaces
- Small hole drilling (< 0.1 mm diameter) in titanium