Laser & Optoelectronics Progress, Volume. 57, Issue 2, 21505(2020)

Overall Fitting of Blade Contour Based on Tool Measurement Using Machine Vision

Liu Jinyue, Wang Xiaoshuai, Li Yang, and Jia Xiaohui*
Author Affiliations
  • School of Mechanical Engineering, Hebei University of Technology, Tianjin 300132, China
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    Figures & Tables(11)
    Captured tool images.(a) LL-type; (b) LCL-type
    Ai versus k
    Weighted value Sk versus k
    Curves of tool angle Ai. (a) LL-type tool vector angle; (b) LCL-type tool vector angle
    Scatter plots of tool contour. (a) LL-type tool; (b) LCL-type tool
    Contour scatter plots after rotation transformation of Fig. 5(b)
    Fitting results of slightly worn LL-type tool. (a) Piecewise fitting; (b) overall fitting
    Fitting results of slightly worn LCL-type tool. (a) Piecewise fitting; (b) overall fitting
    Fitting results of severely worn LL-type tool. (a) Piecewise fitting; (b) overall fitting
    Fitting results of severely worn LCL-type tool. (a) Piecewise fitting; (b) overall fitting
    • Table 1. Results of tool fitting residual

      View table

      Table 1. Results of tool fitting residual

      Degreeof wearTool typeFitting methodStraight line 1Arc segmentStraight line 2Overall result
      NumberResidual /μmNumberResidual /μmNumberResidual /μmNumberResidual /μm
      SlightlywornType-LLPiecewise fitting7041.436661.7613701.59
      Overall fitting13701.57
      Type-LCLPiecewise fitting5265.773571.346403.4815133.79
      Overall fitting15133.73
      SeverelywornType-LLPiecewise fitting34813.75352162.4570088.52
      Overall fitting70062.67
      Type-LCLPiecewise fitting56977.4233427.83856116.27175986.91
      Overall fitting175967.35
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    Liu Jinyue, Wang Xiaoshuai, Li Yang, Jia Xiaohui. Overall Fitting of Blade Contour Based on Tool Measurement Using Machine Vision[J]. Laser & Optoelectronics Progress, 2020, 57(2): 21505

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    Paper Information

    Category: Machine Vision

    Received: May. 15, 2019

    Accepted: --

    Published Online: Jan. 3, 2020

    The Author Email: Xiaohui Jia (jia_dragon@163.com)

    DOI:10.3788/LOP57.021505

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