Volume 36 Issue 11
Nov.  2021
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Article Navigation >  Journal of Aerospace Power  > 2021  >  36(11): 2430-2436
LIU Lu, ZHAO Cong, FENG Xiaochuan, WANG Liqin. Analysis of oil-off tolerance of angular contact ball bearing under condition of high speed and heavy load[J]. Journal of Aerospace Power, 2021, 36(11): 2430-2436. doi: 10.13224/j.cnki.jasp.20200526
Citation: LIU Lu, ZHAO Cong, FENG Xiaochuan, WANG Liqin. Analysis of oil-off tolerance of angular contact ball bearing under condition of high speed and heavy load[J]. Journal of Aerospace Power, 2021, 36(11): 2430-2436. doi: 10.13224/j.cnki.jasp.20200526
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Analysis of oil-off tolerance of angular contact ball bearing under condition of high speed and heavy load

doi: 10.13224/j.cnki.jasp.20200526
  • 1.

    Key Laboratory of Power Transmission Technology on Aero-engine，Shenyang Engine Research Institute，Aero Engine Corporation of China，Shenyang 110015，China

  • 2.

    Harbin Bearing Company Limited，Aero Engine Corporation of China，Harbin 150025，China

  • 3.

    Ministry of Industry and Information Technology Key Laboratory of Aerospace Bearing Technology and Equipment，Harbin Institute of Technology，Harbin 150001，China

  • Received Date: 2020-12-08
  • Publish Date: 2021-11-28
    Abstract
  • According to the study of the oil-off fault recurrence phenomenon of the angular contact ball bearing，the initial failure mode was three-point contact between balls and inner rings.The three-point contact analysis method was used to calculate the bearing's oil-off tolerance；in combination with the calculation and analysis results of similar bearings，it was found that the larger the shim angle，the worse the bearing's oil-off capacity.The bearing had poor resistance of oil-off when the shim angle was 25°.Through analysis of the transient temperature distribution of the bearing after the oil-off，combined with the three-point contact analysis method，it was determined that the bearing oil-off withstand time of the original design state was 25 s，without the ability to withstand the oil-off for 30 s.According to the conclusion of the analysis，the shim angle of the bearing was reduced to 19°，and the improved bearing passed the oil-off verifications of test rig and engine test verification.

     

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