Wire cut electric discharge machine

A wire cut discharge machine comprises a wire electrode, wire electrode feeding rollers, a tension applying unit for applying a tension to the wire electrode, a current applying unit for applying a high frequency current to the wire electrode, and a wire electrode retaining roller. Each of the tensi...

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Hauptverfasser: KAWASE, HIROYASU
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A wire cut discharge machine comprises a wire electrode, wire electrode feeding rollers, a tension applying unit for applying a tension to the wire electrode, a current applying unit for applying a high frequency current to the wire electrode, and a wire electrode retaining roller. Each of the tension applying unit and the current applying unit includes selecting unit having a plurality resistors different in resistance, and a plurality of make contacts of relay. The selecting units select a best tension and a best current for a wire electrode to be cut according to a diameter and a kind of the wire electrode.