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前言目前,电火花加工电源一般采用矩形和三角形电压脉冲参数,它反映在加工工艺中的问题综合表现为所选择的各种电规准参数都还不能很好解决加工生产率、加工光洁度、加工间隙、工具电极损耗及其表面质量等之间的矛盾,例如:(1)在粗规准加工时,工具电极和工件表面质量差,不易解决减少工具电极损耗与提高工件加工光洁度的矛盾,因而,在型腔加工中只能保证前者;在冲模加工中只能保证后者,往往不能两者兼顾。
Preface At present, the EDM power supply is generally rectangular and triangular voltage pulse parameters, which reflect the problems in the processing technology for the performance of the various electrical parameters selected are still not a good solution to the processing productivity, processing finish, processing gap Such as: (1) poor quality of the tool electrode and the workpiece surface during coarse standard machining, it is not easy to solve the contradiction between reducing the electrode wear of the tool and improving the finish of the workpiece. Therefore, In the cavity processing can only guarantee the former; in the die processing can only guarantee the latter, often can not take into account both.