Rear Bumper Mould,Rear Bumper Molding,Rear Bumper Moulding,Car Bumper Molding Taizhou ANO MOULD CO.,LTD , https://www.ainomould.com 1. Processing principle and characteristics of micro EDM There is no essential difference between the principle of micro EDM and ordinary EDM. The surface quality of the processing depends mainly on the size and depth of the etch pit, that is, the energy of a single discharge pulse; and the processing accuracy is related to the discharge gap, process system stability, electrode loss, etc.