• Title/Summary/Keyword: 대성산업중앙연구소

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Volumetic Error Compensation of a Coordinate Measuring Machine using a Software Method (3차원 좌표 측정기의 Software에 의한 Volumetric 오차 교정)

  • Park, June-Ho;Lee, Eung-Suk;Yang, Jong-Hwa;Cho, So-Hyug
    • Journal of the Korean Society for Precision Engineering
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    • v.11 no.4
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    • pp.158-164
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    • 1994

  • A volumetric error compensation method was stueide with measuring systematic error of a Coordinate Measuring Machine(CMM). The volumetric error equations were proposed for a Moving Bridge type CMM. Using the error equations, error vectors in the measuring volume were corrected by a software method. The CMM was controlled by the compensation program separately in the measuring and moving function of the CMM proving. The linear accuracy of the CMM was measured by the Laser Interferometer and compared with the data before the volumetric error compensation. This method was proved as low cost and effective to reduce the systematic error of the CMM, as no hardware modification is required.

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