Optics and Precision Engineering, Volume. 31, Issue 20, 2951(2023)

Research of ultra-precision gear pitch artifact based on dividing mechanism with multi-tooth position

Siying LING1... Yuanhang LIU2, Haifeng GONG1, Fengtao WANG1 and Ming LING2,* |Show fewer author(s)
Author Affiliations
  • 1Key Laboratory of Intelligent Manufacturing Technology of Ministry of Education, Shantou University, Shantou55063, China
  • 2Key Laboratory for Micro/Nano Technology and System of Liaoning Province, Dalian University of Technology, Dalian11603, China
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    Figures & Tables(19)
    Structure of gear pitch artifact
    Y7125 gear grinding machine with a large surface grinding wheel and its indexing mechanism
    Deformation of the position claw in contact with the indexing gear
    Contact simulation by ANSYS
    Comparison of indexing errors between four claws and one claw
    Comparison for ground gears of single pitch deviations before and after wear of the indexing gear
    Positioning principle of the multi-tooth positioning claw
    Single tooth (left) and multi-tooth (right) positioning claw
    Gear pitch measuring instrument
    Adjustment for location of ground gear pitch artifact
    Adjustment for location of indexing gear
    Cumulative pitch deviation of test gear pitch artifact
    Comparison of the cumulative pitch deviation for gear pitch artifacts machined with single and multi-tooth positioning
    Comparison of the single pitch deviation for gear pitch artifacts machined with single and multi-tooth positioning
    • Table 1. Design parameters of gear pitch artifact

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      Table 1. Design parameters of gear pitch artifact

      Normal module mn/mmNumber of teeth z

      Pressure angle

      α/(°)

      Helix angle

      β/(°)

      Face-width

      b/mm

      Tip diameter

      da/mm

      Root diameter

      df/mm

      4302025128110
    • Table 2. Design parameters of gear pitch artifact

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      Table 2. Design parameters of gear pitch artifact

      Normal module mn/mmNumber of teeth z

      Pressure angle

      α/(°)

      Helix angle

      β/(°)

      Face-width

      b/mm

      Tip diameter

      da/mm

      Root diameter

      df/mm

      2.251201516274.5264.5
    • Table 3. Simulation results of error average

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      Table 3. Simulation results of error average

      Multi tooth position claw

      working condition

      Indexing error E/μmPercentage reduction/%
      Single tooth position clawMulti tooth position claw
      All flanks in positioning1.090.4261
      Half of flanks in positioning0.5153
      Two flanks in positioning0.7828
    • Table 4. Measured value of gear pitch artifact

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      Table 4. Measured value of gear pitch artifact

      SequencePitch deviationsSingle tooth position clawMulti-tooth position clawPercentage reduction/%
      Sequence-1Single pitch deviation fp/μm1.10.736.4
      Total cumulative pitch deviation Fp/μm2.31.630.4
      Sequence-2Single pitch deviation fp/μm1.00.730.0
      Total cumulative pitch deviation Fp/μm2.51.348.0
      Sequence-3Single pitch deviation fp/μm1.10.736.4
      Total cumulative pitch deviation Fp/μm2.31.439.1
      Sequence-4Single pitch deviation fp/μm0.80.633.3
      Total cumulative pitch deviation Fp/μm2.21.436.4
    • Table 5. Pitch deviations of the gear pitch artifact compared to class-1 pitch tolerances

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      Table 5. Pitch deviations of the gear pitch artifact compared to class-1 pitch tolerances

      ItemMeasured value of gear pitch artifactClass-1 pitchPercentage reduction /%
      Single pitch deviation/tolerance fp/fpT/μm0.61.764.7
      Total cumulative pitch deviation/tolerance Fp/FpT/μm1.45.072.0
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    Siying LING, Yuanhang LIU, Haifeng GONG, Fengtao WANG, Ming LING. Research of ultra-precision gear pitch artifact based on dividing mechanism with multi-tooth position[J]. Optics and Precision Engineering, 2023, 31(20): 2951

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    Paper Information

    Category: Micro/Nano Technology and Fine Mechanics

    Received: Mar. 29, 2023

    Accepted: --

    Published Online: Nov. 28, 2023

    The Author Email: LING Ming (lingming@mail.dlut.edu.cn)

    DOI:10.37188/OPE.20233120.2951

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