Wire electric discharge machine

Abstract

There are provided an upper guide (118) and a lower guide (109) which are respectively disposed above and below a workpiece (25) and respectively incorporate wire guides for guiding a wire electrode (119); a nozzle for jetting and supplying a working fluid from at least one of the upper guide (118) and the lower guide (109) toward the workpiece (25); and a pump for supplying the working fluid to the nozzle, so that a gas is mixed into the working fluid in a channel of the working fluid from the pump to the nozzle, and the working fluid in a state of a gas-liquid mixed phase is jetted and supplied from the nozzle to the workpiece (25).

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