Advantages of EDM material compared with copper:
Production cost is low, the same volume of graphite price is only 25% of the copper electrode
Processing speed, machining speed is 3-5 times of copper electrode, and no burr after processing, discharge speed is about 2 times of copper. Machining precision, high machining precision, thermal expansion coefficient of copper 1/4.
It weighs one-fifth as much as copper, making it ideal for large electrodes.
High temperature resistance, graphite flame point is 3650 degrees Celsius, copper is 1083 degrees Celsius, high temperature state does not deformation, suitable for processing bone electrode. Adhesiveness, can use conductive adhesive to bond damaged graphite, cost saving.
