Electric discharge machine

Details Electric discharge machine Electric discharge machine

1990-02-02

1991-09-17

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6915, 219 692, B23H 100, B23H 726

Patent

active

050497154

ABSTRACT:
The machine has a rotary device for holding and rotating a workpiece to be processed, an electrode disposed to oppose the workpiece, an indexing device for holding the electrode and indexing the electrode at a predetermined angular pitch, a power supply device for applying a voltage between the workpiece and the electrode so as to cause the electric discharge therebetween, and a cutting device for cutting a portion of the electrode which has been used for the electric discharge and has been indexed by the indexing device to face the cutting device. The consumed portions of the electrode are successively indexed to the position where the cutting device is set so that the consumed portion of the electrode is successively cut without requiring the processing to be stopped.

REFERENCES:
patent: 3122628 (1964-02-01), Inoue
patent: 3398253 (1968-08-01), Rye
patent: 4236985 (1980-12-01), Grodzinsky et al.
patent: 4596066 (1986-06-01), Inoue
patent: 4849599 (1989-07-01), Kuromatsu

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