Wire direction changer assembly for a wire electrode spark erosi

Details Wire direction changer assembly for a wire electrode spark erosi Wire direction changer assembly for a wire electrode spark erosi

1997-03-05

1999-02-02

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

B23H 710

Patent

active

058668659

ABSTRACT:
A wire direction changer assembly is disclosed for installation in the wire path system of a wire electrode spark erosion machine with a wire entrance port, a wire discharge port, an essentially tube or tunnel wire guide channel connecting to both ports along a curved path; and a suction nozzle disposed in the region of the wire discharge port for providing a fluid flow through the wire guide channel. These features provide an exceptionally trouble-free fluid-supported wire direction changer of the electrode wire, while at the same time ensuring trouble-free automatic wire threading.

REFERENCES:
patent: 4663509 (1987-05-01), Kawashima
patent: 5073691 (1991-12-01), Magara et al.
patent: 5449873 (1995-09-01), Onandia
patent: 5495086 (1996-02-01), Onandia
Patent Abstracts of Japan, M-1286, vol. 16, No. 346, no publication date.
Patent Abstracts of Japan, M-295, vol. 8, No. 100, no publication date.
Patent Abstracts of Japan, M-1459, vol. 17, No. 427, no publication date.
Patent Abstracts of Japan, M-664, vol. 12, No. 36, no publication date.

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