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Nozzle and power-feed element for wire-cut electrical discharge machine

  • US 4,539,459 A
  • Filed: 05/18/1983
  • Issued: 09/03/1985
  • Est. Priority Date: 05/19/1982
  • Status: Expired due to Fees
First Claim
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1. A wire-cut electrical discharge machine which effects an electrical discharge machining of a workpiece by generating electrical discharges between a wire electrode continuously supplied from a wire supply unit and said workpiece, comprising:

  • a nozzle means for supplying a machining fluid to an electrical discharge machining zone, said nozzle means being provided on the upper and/or lower sides of said workpiece;

    a power-feed element contacting said wire electrode in order to feed a current thereto, said power-feed element being provided inside said nozzle means; and

    a nozzle having a nozzle port for jetting out said machining fluid toward the electrical discharge machining zone, said nozzle being adapted to be vertically movable with respect to the power-feed element by means of the pressure of said machining fluid.

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