Volume 32 Issue 3
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Analysis on dynamic characteristics of high speed angular contact ball bearing based on quasi-dynamic[J]. Journal of Aerospace Power, 2017, 32(3): 730-739. doi: 10.13224/j.cnki.jasp.2017.03.027
Citation: Analysis on dynamic characteristics of high speed angular contact ball bearing based on quasi-dynamic[J]. Journal of Aerospace Power, 2017, 32(3): 730-739. doi: 10.13224/j.cnki.jasp.2017.03.027

Analysis on dynamic characteristics of high speed angular contact ball bearing based on quasi-dynamic

doi: 10.13224/j.cnki.jasp.2017.03.027
  • Received Date: 2015-05-13
  • Publish Date: 2017-03-28
  • In order to reflect the real operation of high speed angular contact ball bearings, a quasi-dynamic calculation model for high speed angular contact ball bearing was built. BFGS(Broyden-Fletcher-Goldfarb-Shanno) mutative scale optimization was embedded in quasi-dynamic calculation program for high speed angular contact ball bearing and then the calculation model proposed was validated as compared with the calculation example in quasi-dynamic calculation program AT74Y001 developed by SKF Corporation, and error between the two calculation methods was within 5%. Quasi-dynamic equations were solved to analyze the dynamic performance of high speed angular contact ball bearing under different structural parameters and operating conditions. Results showed that, with the increase of axial load, the contact angle of inner and outer rings increased; with the increase of radial load, the inner contact angle decreased and the outer contact angle increased in the bearing area, while in the non bearing area ,the inner contact angle increased and the outer contact angle decreased; with the increase of rotational speed, the inner contact angle increased, and the outer contact angle decreased; with the increase of the number of steel balls and axial load, the bearing stiffness increased in three directions; with the increase of curvature of inner ring groove of steel balls and radial load and rotational speed, the bearing stiffness decreased in three directions.

     

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