Wire Electrical Discharge Machining (EDM) is a process that uses an electrically energized "hair" thin wire to make a clean cut through metal. Wire EDM can provide high-dimensional accuracy for close- fitting parts. The process can make sharp inside corners quickly and more efficiently, rather than relying on conventional machining methods.
Wire EDMs can machine anything that is electrically conductive regardless of the hardness, from relatively common materials such as tool steel, aluminum, copper, and graphite, to titanium, carbide, and conductive ceramics.