Wire cutting electric discharge machine

Details Wire cutting electric discharge machine Wire cutting electric discharge machine

1990-06-20

1991-11-12

Evans, Geoffrey S.

Electric heating

Metal heating

Cutting or disintegrating

219 6914, B23H 710

Patent

active

050649833

ABSTRACT:
An electric discharge wire cutting machine with one nozzle above the workpiece and another nozzle beneath the workpiece, one of the nozzles having a shape obtained by rotating an arc of a circle about the central axis of the conical configuration of the nozzle. This shape allows the working fluid to be smoothly expelled and to prevent the formation of gas bubbles by the wire in the working zone which might prevent adequate cooling of the wire and thereby cuase the wire to break.

REFERENCES:
patent: 3928163 (1975-12-01), Ullman et al.
patent: B13928163 (1985-11-01), Ullman et al.

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