Wire-cut, electric discharge machine

Details Wire-cut, electric discharge machine Wire-cut, electric discharge machine

1981-06-10

1983-10-25

Paschall, M. H.

Electric heating

Metal heating

Cutting or disintegrating

219 69S, B23P 108

Patent

active

044121180

ABSTRACT:
A wire-cut, electric discharge machine which is provided with auxiliary wire feed means for feeding a wire in a backward direction when the wire is broken, and a wire detector for detecting, at a predetermined position, the extreme end of the broken wire fed in the backward direction. When detecting the extreme end of the broken wire by the wire detector, the feed of the broken wire by the auxiliary wire feed means is stopped to position the extreme end of the broken wire at a predetermined position.

REFERENCES:
patent: 3636296 (1972-01-01), Semin
patent: 3987270 (1976-10-01), Ullmann et al.
patent: 4232208 (1980-11-01), Buhler
patent: 4233486 (1980-11-01), Inoue
patent: 4242559 (1980-12-01), Roemer et al.
patent: 4347423 (1982-08-01), Katsube et al.

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