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Device for checking the position of a spindle in a machine tool

  • US 20040181306A1
  • Filed: 03/11/2004
  • Published: 09/16/2004
  • Est. Priority Date: 03/13/2003
  • Status: Active Grant
First Claim
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1. ) a device for checking the position of a spindle in a machine tool presenting a structure serving to support the spindle and means by which the spindle is set in motion along three axes x, y, and z within a predetermined machining zone, comprising a plurality of means located externally of the machine and capable of emitting electromagnetic signals;

  • means installed on the spindle and capable of receiving electromagnetic signals;

    a master control unit, connected on the output side to the means by which the spindle is set in motion along the axes, incorporating means by which to process and transmit signals indicating the distance between each of the emitting means and the receiving means; and

    means able to identify the position of the spindle on the basis of the signals indicating the distances between the emitting and receiving means.

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