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金属表面电火花强化是比目前普遍应用的电火花成型加工更早用于生产的工艺方法。它的工作原理是:采用硬质合金、石墨、合金钢、铜或铝等导电材料作为强化时的工具电极,在空气或特殊的气体中,使其与被强化的金属工件之间产生火花放电,直接利用火花放电时释放的电能,使电极材料熔渗和转移到工件表层,在工件表面构成所谓强化层,从而改善工件表面的物
Metal surface EDM is more common than the currently used EDM process for the production of earlier methods. Its working principle is: the use of hard alloy, graphite, alloy steel, copper or aluminum and other conductive materials as a tool electrode when enhanced in the air or a special gas, so that it has been strengthened with the metal parts between the spark discharge , The direct use of spark discharge when the release of electricity, the electrode material infiltration and transfer to the surface of the workpiece, the workpiece surface so-called strengthening layer, thereby improving the surface of the workpiece