Electrical discharge machining process types - EDM erosion processes explained



This group of processes include Machining that is performed on Electrical Discharge Machines, or Spark Erosion Equipment.


Electrical Discharge Machining (EDM) works by using a rapidly recurring electrical discharge between a "die" and the electrically conductive workpiece, material is gradually removed from the workpiece.


A simple die can make complex shapes in a workpiece as it can be moved in all directions, only removing material at points where the die is closest to the workpiece. The die must be very close to, but not in contact with the workpiece, this is what ultimately causes the electrical "spark".


    • • EDM Spark Erosion
    • • EDM Wire Erosion
    • • EDM Hole Drilling




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