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Electrical discharge machining (EDM), also known as spark machining, spark eroding, burning, die sinking, wire burning or wire erosion, is a manufacturing process whereby a desired shape is obtained by using electrical discharges (sparks).[1] Material is removed from the workpiece by a series of rapidly recurring current discharges between two ...
Electrical Discharge Machining (EDM) Industry: The EDM machines remove the metal by creating the sparks that burn the metal. There are two types of EDM with the CNC automation â Vertical EDM and Wire EDM. The Vertical EDM needs an electrode of the shape and size of the cavity that is be made in the job.