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Wire electric discharge machine with wire electrode cutting mechanism

  • US 9,085,038 B2
  • Filed: 02/28/2013
  • Issued: 07/21/2015
  • Est. Priority Date: 03/21/2012
  • Status: Active Grant
First Claim
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1. A wire electric discharge machine with a wire electrode cutting mechanism, comprising:

  • an automatic wire-connection pipe disposed upstream relative to an upper guide, having a nozzle on a distal end thereof, and movable between an automatic wire connection position near the upper guide and a retracted position;

    first and second wire cutting electrodes disposed on the inlet and outlet sides, respectively, of the automatic wire-connection pipe;

    a pickup unit disposed below the second wire cutting electrode and configured to clamp a wire electrode to be cut thereby; and

    a stopper mechanism configured to regulate a movement of the automatic wire-connection pipe so that the distal end of the nozzle of the automatic wire-connection pipe is located between the second wire cutting electrode and the pickup unit when the wire electrode is cut,wherein the stopper mechanism comprises;

    a notch portion on a mounting base on which the automatic wire-connection pipe is mounted, anda cylinder mechanism moveable toward and away from the notch portion.

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