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Method and apparatus for electro-discharge wire cutting

  • US 5,451,737 A
  • Filed: 08/24/1993
  • Issued: 09/19/1995
  • Est. Priority Date: 08/26/1992
  • Status: Expired due to Fees
First Claim
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1. An apparatus for electro-erosive cutting, comprising a wire cathode advancing through a wire guide located upstream of the workpiece in terms of the direction advanced by the wire, said wire guide is a closed or surrounding wire guide and shaped like a torus, and a wire-position sensor located such as to monitor the position of the wire in the torus-shaped guide.

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