发明授权
US4436975A Wire-cut, electric discharge machining method 失效
线切割,放电加工方法

Wire-cut, electric discharge machining method
摘要:
A wire-cut, electric discharge machining method in which a wire is inserted into a machining start hole made in a workpiece to start electric discharge machining from the machining start hole, a bushing of a conductive material is pressed into a hole made in the workpiece to provide the machining start hole.
信息查询
0/0