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Development of an Automatic Straightness Checker

  • 2013-09-22
  • 222.55KB
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Abstract : A straightness automatic tester is developed in which the aligned laser beam is used as the measuring datum axis , a linear matrix CCD is used as the position sensor , and a chip microcomputer is used for data acquisition and processing as well as displaying measuring results. The system structure and the mathematic model of least square method to evaluate the straightness er2 rors are introduced.Keywords : straightness , measurement , laser alignment , CCD sensor

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