Volume 31 Issue 11
Nov.  2016
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MAO Yu-ze, WANG Li-qin, GU Le. Effect of negative clearance on dynamic characteristics of high-speed high-temperature thin-walled cylindrical roller bearings[J]. Journal of Aerospace Power, 2016, 31(11): 2795-2800. doi: 10.13224/j.cnki.jasp.2016.11.030
Citation: MAO Yu-ze, WANG Li-qin, GU Le. Effect of negative clearance on dynamic characteristics of high-speed high-temperature thin-walled cylindrical roller bearings[J]. Journal of Aerospace Power, 2016, 31(11): 2795-2800. doi: 10.13224/j.cnki.jasp.2016.11.030

Effect of negative clearance on dynamic characteristics of high-speed high-temperature thin-walled cylindrical roller bearings

doi: 10.13224/j.cnki.jasp.2016.11.030
  • Received Date: 2015-02-07
  • Publish Date: 2016-11-28
  • A equivalent radial preload analytical model was developed by taking negative clearances and elastic deformation of cylindrical roller bearings into account. Loading characteristics and internal hoop stress of rings were calculated by this model. Results showed that negative clearances decreased the maximum contact pressure and cage sliding ratio, but made the fatigue life decline at the same time. So it's necessary to take cage sliding ratio and fatigue life both into account when designing negative clearance roller bearings.

     

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