Wirecut electrical discharge machine having increased feeder lif

Details Wirecut electrical discharge machine having increased feeder lif Wirecut electrical discharge machine having increased feeder lif

1992-09-16

1993-12-07

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

B23H 710

Patent

active

052685527

ABSTRACT:
A wire guide apparatus for an electrical discharge machine (EDM). A movable feeder is placed in contact with a wire electrode, so as to transmit a machining voltage thereto. A workpiece is machined to a desired shape by virtue of electrical discharge between the wire electrode and the workpiece. An eccentric die is moved in cooperation with the feeder so as to change a contact position between the wire electrode and the feeder. Accordingly, the feeder wears more evenly and the life thereof is increased.

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patent: 4896013 (1990-01-01), Fricke et al.
patent: 4945200 (1990-07-01), Truty et al.
patent: 4994643 (1991-02-01), Truty et al.
patent: 5003148 (1991-03-01), Truty et al.
patent: 5089680 (1992-02-01), Truty
patent: 5126524 (1992-06-01), Moro et al.

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