Electric Discharge Machining (EDM) is a machining process that uses electrical sparks to cut through metal material by melting or vaporizing it. This cutting process is achieved by using electrical discharges between two electrodes which are separated by a dielectric liquid and subject to a varying amount of electrical voltage.

Wire electrical discharge is a form of machining that is used for creating intricate and precise shapes and contours in parts that may have otherwise been unobtainable from more traditional CNC machining methods.

One of the advantages is that EDM is used for machining parts made of difficult to machine materials very accurately (.0001″). These materials can range from carbide to Heat Treated Steels.

GMT offers Wire, Sinker, and EDM Hole Drilling services from Prototype to Production Quantities.

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