Method for realizing accurate processing of curved surface by combining laser tracking technology with CAD (computer-aided design)/CAM (computer-aided manufacturing) technology

Method for realizing accurate processing of curved surface by combining laser tracking technology with CAD (computer-aided design)/CAM (computer-aided manufacturing) technology

  • CN 102,091,814 A
  • Filed: 12/17/2010
  • Published: 06/15/2011
  • Est. Priority Date: 12/17/2010
  • Status: Active Application
First Claim
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1. laser tracking technology is combined with the CAD/CAM technology and realizes the accurate method for processing of curved surface, may further comprise the steps:

  • A, go up at the actual roughing face (5) of workpiece (1) and to lay a plurality of reference points, use laser tracker (7) to measure the three-dimensional coordinate of each reference point then, and measurement data imported computer (8), on computer (8), set up the three-dimensional digital model of these reference points again;

    B, go up at computer (8) three-dimensional digital model of these reference points and the theoretical model (1 '"'"') of workpiece are carried out match, thus the relative position relation between the theoretical model (1 '"'"') of the three-dimensional digital model of definite these reference points and workpiece;

    C, the selected part reference point and calculates theoretical between the origin of coordinates (PTO '"'"') of the three-dimensional digital model and the topping machanism theoretical model (3 '"'"') of these datum marks (L '"'"') respectively as datum mark in the three-dimensional digital model of above-mentioned these reference points;

    D, topping machanism (3) and workpiece (1) are positioned, make between the origin of coordinates (PTO) of each datum mark that selects and topping machanism (3) actual range (L) meet above-mentioned theoretical (L '"'"') respectively by laser tracker (7);

    E, startup topping machanism (3) make it carry out fine finishining by path of setting to actual roughing face (5).

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