EDM Machine

An Electrical Discharge Machine (EDM) removes material using precisely controlled electrical sparks rather than conventional cutting tools. Because there is no physical contact between the tool and workpiece, EDM can machine hardened tool steel, carbide, titanium, Inconel, and other conductive materials with exceptional accuracy. The two primary types are Wire EDM, which uses a continuously fed wire electrode to cut profiles, and Sinker EDM, which uses a shaped graphite or copper electrode to create cavities and intricate features.

EDM is indispensable in mold making, aerospace, medical manufacturing, and precision tooling where tight tolerances and complex geometries are required. Buyers should consider travel size, dielectric filtration system, wire diameter capability, automatic wire threading, generator technology, and CNC control. Although slower than conventional machining, EDM often eliminates secondary operations and can produce features impossible to machine by traditional methods.