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Numerical control apparatus having a work simulation function

  • US 5,315,523 A
  • Filed: 06/30/1992
  • Issued: 05/24/1994
  • Est. Priority Date: 11/08/1990
  • Status: Expired due to Term
First Claim
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1. A numerical control apparatus having a work simulation function capable of displaying both a workpiece configuration change and a tool shift movement on the same display screen in accordance with an execution of a numerical control program, said numerical control apparatus comprising:

  • a scaling means for presetting a first display scale for displaying a workpiece configuration change;

    an arithmetic means for calculating a second display scale for displaying both the workpiece configuration change and a corresponding tool shift movement at its present shifted position on the same display screen, based on the present shifted position of the tool according to an execution of a numerical control program; and

    a magnification determining means for comparing the first display scale and the second display scale and for determining a display magnification, for displaying both the workpiece configuration change and the corresponding tool shift movement on the same display screen, based on a result of the comparison so that a work simulation can be executed.

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