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YANG Xu-dong, CHEN Yu-rong, XIE Tie-bang. A Large Range General Profilometer[J]. Journal of Beijing University of Technology, 2008, 34(4): 341-346.
Citation: YANG Xu-dong, CHEN Yu-rong, XIE Tie-bang. A Large Range General Profilometer[J]. Journal of Beijing University of Technology, 2008, 34(4): 341-346.
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A Large Range General Profilometer

  • 1. School of Mechanical Engineering, Guizhou University, Guiyang 550003, China;

  • 2. School of Mechanical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China

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  • Received Date: October 18, 2006
  • Available Online: January 10, 2023
    Graphical Abstract
    • Abstract
  • A general profilometer is studied in order to solve the difficult problem for a traditional profilometer to attain high precision in a large measuring range.The instrument adopts a 2D displacement sensor and a platform based on vertical scanning.According to the zero offset,the piezoelectric actuator and the servo motor drive the vertical scanning platform to move vertically to ensure that the lever return to balance position at every sample interval.So the non-linear error caused by the rotation of the lever is very small even if the measuring range is large.According to the theoretical and experimental analysis,the instrument can measure roughness,profile size of sphere,step,groove and other surfaces with curvature precisely.
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    • References (8)
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