Electric heating – Metal heating – Cutting or disintegrating
Patent
1983-06-03
1985-08-20
Paschall, M. H.
Electric heating
Metal heating
Cutting or disintegrating
219 69E, 219 69M, B23P 108
Patent
active
045366322
ABSTRACT:
Wire-cut electroerosion method and apparatus whereby breakage of an electrode wire is substantially prevented by limiting air-bubbling in the cutting zone from the electrode wire traveling through a liquid-machining medium. The air-bubbling is limited by cleaning the electrode wire advancing from its storage reel prior to its entry into the cutting zone supplied with the liquid machining medium. The electrode wire may be cleaned by brushing the wire between the storage reel and the wire-braking roller and thereafter cleansed by a showering fluid. Preferably, ultrasonic vibrations are applied to the showering fluid. The braking rollers and a wire-conducting roller are also provided with brushes to prevent contaminants from being introduced onto the cleaned electrode wire by these rollers.
REFERENCES:
patent: 2785280 (1957-03-01), Eisler et al.
patent: 3936653 (1976-02-01), Bals
patent: 4205213 (1980-05-01), Inoue
Dubno Herbert
Inoue-Japax Research Incorporated
Paschall M. H.
Ross Karl F.
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