Abstract
EDM is an electrical discharge machining, used in machining of those constituents which are not machined by traditional machining process. This machining method is more advanced than conventional. In this experimental study, cylindrical copper material is used as an electrode, and die-steel is used as workpiece material. In this empirical work, results were found for the erosion of copper electrodes concerning to die steel workpiece material at various current and constant depth of machining by varying time-on and time-off parameters. In this work input parameters are current, voltage, T-on, and T-off, and output parameters are erosion of electrode material in terms of weight (grams) and length (mm). The eroded metal on the surface of both workpieces and the electrode is flush out by the dielectric fluid. This study mainly concentrates on the copper electrode and output parameters such as rate of wear of theelectrode. Electrode wear rate have increased with an increase in pulse on time. More wear is occurred due to increasing of duration of sparking time. The production of the high rate of material removal is increased by pulse on time (T-on).
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