Method and apparatus for electrical discharge machining of a...

Details Method and apparatus for electrical discharge machining of a... Method and apparatus for electrical discharge machining of a...

2005-08-23

2005-08-23

Evans, Geoffrey S. (Department: 1725)

Electric heating

Metal heating

Cutting or disintegrating

C219S069180, C219S069130

Reexamination Certificate

active

06933457

ABSTRACT:
A method and apparatus for electrical discharge machining of a workpiece wherein an erosion pulse is applied on the tool electrode. During the time of the erosion pulse the voltage (Ue) set on the electrode is acquired, and the erosion pulse is interrupted, after an asymptotic behavior of the acquired voltage (Ue) or a value derived therefrom has been acquired. Before the interruption of the erosion pulse an increase of current may occur.

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