Volume 36 Issue 10
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WANG Yubo, ZHOU Caihong, DENG Kaiwen, DENG Sier. Vibration characteristics of needle roller bearing under planetary rotation[J]. Journal of Aerospace Power, 2021, 36(10): 2101-2113. doi: 10.13224/j.cnki.jasp.20200518
Citation: WANG Yubo, ZHOU Caihong, DENG Kaiwen, DENG Sier. Vibration characteristics of needle roller bearing under planetary rotation[J]. Journal of Aerospace Power, 2021, 36(10): 2101-2113. doi: 10.13224/j.cnki.jasp.20200518
shu

Vibration characteristics of needle roller bearing under planetary rotation

doi: 10.13224/j.cnki.jasp.20200518
  • 1.

    School of Mechatronics Engineering，Henan University of Science and Technology，Luoyang Henan 471003，China

  • 2.

    Chief Engineer's Office，Suzhou Bearing Factory Company Limited，Suzhou Jiangsu 215129，China

  • 3.

    Collaborative Innovation Center of Major Machine Manufacturing in Liaoning，Dalian Liaoning 116024，China

  • 4.

    National United Engineering Laboratory for Advanced Bearing Tribology，Henan University of Science and Technology，Luoyang Henan 471003，China

  • Received Date: 2020-12-02
  • Publish Date: 2021-10-28
    Abstract
  • Dynamic differential equations of needle roller bearing was established，and solved by using gear stiff （GSTIFF） variable-step integration algorithm.The slip rate and vibration characteristics of cage between rotation and planetary rotation were compared，and the effects of vibration characteristics and slip rate of cage on the structural parameters and operating conditions under planetary rotation were further analyzed.The results showed that： one amplitude corresponded to each multiple band of the frame vibration acceleration spectrum under rotation conditions，two amplitudes corresponded to the multiple band of the frame vibration acceleration under planetary rotation conditions；the value increased with the increase of radial force and the velocity of orbital，decreased with the increase of the velocity of the rotation，there was an optimal gap ratio，which was about 1 to make the cage vibration amplitude minimum；the trend of slip rate of cage was similar to that without planetary rotation，but the level of reduction was higher.In summary，the radial vibration characteristic of cage was increased and the peripheral vibration characteristic was reduced under planetary rotation.

     

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