Wire electrical discharge machining apparatus

Details Wire electrical discharge machining apparatus Wire electrical discharge machining apparatus

1990-01-30

1991-07-02

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6914, B23H 710

Patent

active

050292463

ABSTRACT:
A wire electrical discharge machining apparatus comprising a nozzle for a machining liquid for jetting the machining liquid from a jet hole, a surrounding member for intercepting the flow of the machining liquid jetted from the nozzle so as to prevent the machining liquid from flowing out to a portion other than the spark gap, and a holding device for holding the surrounding member so as to removably mount the surrounding member on the nozzle and so that the surrounding member does not slip off while mounted. The holding device facilitates both the operation of mounting and dismounting the surrounding member on and from the nozzle and replacement of the surrounding member. Since the surrounding member does not slip off while it is mounted, smooth preparation and working is enabled.

REFERENCES:
patent: 4484052 (1984-11-01), Inoue
patent: 4495393 (1985-01-01), Janicke
patent: 4564431 (1986-01-01), Miyano
patent: 4575603 (1986-03-01), Inoue et al.
patent: 4704511 (1987-11-01), Miyano
patent: 4739144 (1988-04-01), Shibata et al.
patent: 4814574 (1989-03-01), Babel et al.

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