EDMing

The major wire EDM builders are still in competition, of course, but on other playing fields. The latest developments in wire electrical discharge machining focus on throughput, ease of use and automation.

Electrical discharge machining (EDMing) goes by many names—burning, spark machining, spark eroding, vaporizing—but they all refer to variations on the same process: removing material by running an electric current between an electrode and a negatively charged workpiece material submerged in a dielectric fluid. At least in the case of sinker EDMing, that’s pretty much all there is to it.