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.
Imported from the CTE archive to seed discussion on MFGAxis.
Originally published on CTE: 2016-12-15
CTE source: https://ctemag.com/articles/tracing-sinker-edming-back-its-original-spark/
Legacy path: /articles/tracing-sinker-edming-back-its-original-spark