Electric heating – Metal heating – Cutting or disintegrating
Patent
1990-03-13
1992-02-25
Evans, Geoffrey S.
Electric heating
Metal heating
Cutting or disintegrating
219 6917, B23H 504
Patent
active
050916220
ABSTRACT:
A compound machining apparatus according to the present invention comprises an electrode mechanical machining device for machining an electrode material fixedly secured in such a manner that the electrode material is immersed in a machining solution with a cutting tool connected to a spindle into an electrode having a predetermined configuration; parts exchanging device for exchanging, after the formation of the electrode, the cutting tool connected to the spindle for a workpiece to be machined; and workpiece machining device for machining, after the cutting tool has been exchanged for the workpiece, the workpiece with the electrode in the machining solution by electric discharge.
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patent: 4859824 (1989-08-01), Ukaji et al.
patent: 4891485 (1990-01-01), Briffod
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Evans Geoffrey S.
Mitsubishi Denki K.K.
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