Canon Marketing Japan Kabushiki Kaisha

Hisao Okazaki

Suguru Tsukamoto

A mechanism in a wire electrical discharge machining apparatus for machining a workpiece by electrical discharge between a wire and the workpiece is disclosed. The mechanism includes a processing fluid bath configured to store processing fluid used for electrical discharge machining between the workpiece and the wire, a processing fluid supply port to communicate with the processing fluid bath and supply the processing fluid into the processing fluid bath from a processing fluid supply apparatus supplying the processing fluid, and a stream control mechanism to suppress a stream of the processing fluid supplied from the processing fluid supply port into the processing fluid bath in the direction of the water surface of the processing fluid in the processing fluid bath.

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Kawasaki, Japan

Hisao Okazaki