So that, To analyze the model of discharging, to find the inbeing of PEDM and to promote technology of PEDM practical become Focus of EDM research.

• 本文通过一组正交工艺实验分析了混粉电火花加工技术各个工艺参数之间的关系,总结了过切量的影响因素,同时对混粉电火花放电点的位置变化规律做了探索。