Volume 36 Issue 11
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PENG Shuai, ZHANG Jing, WANG Linxiang. Construction and experiment of point contact gear pair with certain contact trace[J]. Journal of Aerospace Power, 2021, 36(11): 2437-2446. doi: 10.13224/j.cnki.jasp.20200530
Citation: PENG Shuai, ZHANG Jing, WANG Linxiang. Construction and experiment of point contact gear pair with certain contact trace[J]. Journal of Aerospace Power, 2021, 36(11): 2437-2446. doi: 10.13224/j.cnki.jasp.20200530
shu

Construction and experiment of point contact gear pair with certain contact trace

doi: 10.13224/j.cnki.jasp.20200530
  • 1.

    School of Intelligent Manufacturing Engineering，Chongqing University of Arts and Sciences，Chongqing 402160，China

  • 2.

    Machinery Research Institute， Zhejiang Shuanghuan Driveline Company Limited，Hangzhou 311100，China

  • 3.

    School of Mechanical Engineering，Zhejiang University，Hangzhou 310027，China

  • Received Date: 2020-12-11
  • Publish Date: 2021-11-28
    Abstract
  • A type of point contact gear pair was proposed.Based on a given tooth surface，the flexible contact trace was selected according to the design requirements，and the conjugated curve was derived.A tooth surface was established by sweeping along the conjugated curve，and the meshing pair gear was constructed.The sliding coefficient calculation method of the this gear pair was studied.Taking the involute internal gear as the given tooth surface，the parabolic tooth surface was designed as the matching gear.The gear pair was manufactured and efficiency experiment was carried out.The results showed that during the whole meshing process，the gear pair kept point contact state，and the meshing point moved along the theoretical contact trace，which was consistent with the theoretical analysis.The variation range of the sliding coefficient mainly depended on the involute parameter values at the approach point and the recess point.After the experiment，the actual contact trace was consistent with the theoretical contact trace，and the efficiency was kept stable within a range from 97.2% to 98.5%.

     

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