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METHOD AND DEVICE FOR CREATING A SYMBOL IN A WORKPIECE SURFACE VIA STAMPING

  • US 20090255306A1
  • Filed: 04/09/2009
  • Published: 10/15/2009
  • Est. Priority Date: 04/15/2008
  • Status: Active Grant
First Claim
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1. A method for creating a symbol in a workpiece surface via stamping, comprising the steps of pressing a stamping needle into the workpiece surface and moving it parallel therewith;

  • determining a resultant stamping depth of the symbol using a distance sensor;

    mounting the distance sensor on the stamping needle and moving the distance sensor therewith to be used as the distance sensor;

    placing the stamping needle on the workpiece surface before the stamping is begun;

    measuring a resultant first distance between the sensor and the workpiece surface;

    subsequently pressing the stamping needle into the workpiece surface;

    measuring a resultant second distance between the sensor and the workpiece surface; and

    determining the stamping depth from a difference of the two distances.

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