Just as practical nuclear fusion has been “only 20 years away” for the last 80 years or so, the promise of electrical discharge machining (EDM) in the home shop seems to always be just around the ...

Electric discharge machining (EDM) may be slower than alternatives like laser cutting, water jets, or a milling machine, but for some applications there’s no alternative: it can cut through any ...

Electrical discharge machining (EDM) is a machining process that discharges electric sparks from two electrodes on a metal sheet to detach the desired shape. Also called spark machining, it employs ...