Electric heating – Metal heating – Cutting or disintegrating
Patent
1997-06-27
1998-10-27
Evans, Geoffrey S.
Electric heating
Metal heating
Cutting or disintegrating
219 6913, B23H 102
Patent
active
058280278
ABSTRACT:
A method and apparatus for detecting the build up of tar on the electrode or workpiece in an electric discharge machine is achieved by determining the difference between a machining gap impedance found from dielectric fluid resistivity and an electrode area and a machining gap impedance actually measured.
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Goto Akihiro
Ozaki Yoshio
Wada Mitsuyoshi
Evans Geoffrey S.
Mitsubishi Denki & Kabushiki Kaisha
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