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Wire & Conventional EDM

Our Electrical Discharge Machining (EDM) allows us to literally burn away metal. During conventional EDM, we create an electrode “positive” version of the pocket or shape to be removed out of a good conductor like copper or graphite. Then we use that electrode to burn that shape out of the base metal. Combining this with three axes of motion and super-accurate linear motors, it’s possible to create complex geometry, threads, and even undercuts!

Our Wire EDM machines use a similar process, but using a very fine wire as the electrode instead. If you’ve ever seen a hot wire cut foam, the effect is similar, but in metal. This allows us to cut through almost 12 inches of metal leaving only the smallest (down to .002”) radius behind. Our larger wire machine has additional “U” and “V” axes, allowing the wire to tilt in two dimensions and cut conical shapes.

These tools are ideal for prototyping long-lead-time items like extrusions and sheet metal shapes.

The drop from an LED heat sink we wired out.
A look inside our sinker.
One of our copper electrodes.

Additional Services

We have access to lots of additional services and vendors for the services that we don’t cover in-house, so that we can be your one-stop prototyping and production shop.

  • SLA (Stereolithography)
  • Heat Treating
  • Electroplating
  • Welding
  • Painting
  • CNC Turning
  • Gun Drilling
1775 Timothy Drive
San Leandro, CA 94577
Bay Area Machine Shop, Injection Molding, and Engineering