EDM Machines

Although EDM (electrical discharge machining) is among the most recent metal processing methods, its earliest application began in the mid-1940s when it was used to remove broken taps and sheared-off bolts from valuable aluminum castings. Rapidly pulsing high-voltage electrical discharges (sparks) were passed across the gap between the electrode and the grounded workpiece, removing taps

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Electrical discharge machining (EDM) is a process that applies CNC technology with electrical sparks to form simple or complex shapes. Sometimes referred to as spark machining, EDM creates profiles when current discharges and sparks occur between two electrodes—the wire and the workpiece. As the wire moves through the workpiece, it cuts the desired shape, and