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May  2022
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CHEN Yongjiang, TANG Wencheng, GUO Hun, HUA Hongliang. Research on accurate modeling method of bearing joint based on sub region virtual material method[J]. Manufacturing Technology & Machine Tool, 2022, (6): 100-107. doi: 10.19287/j.mtmt.1005-2402.2022.06.016
Citation: CHEN Yongjiang, TANG Wencheng, GUO Hun, HUA Hongliang. Research on accurate modeling method of bearing joint based on sub region virtual material method[J]. Manufacturing Technology & Machine Tool, 2022, (6): 100-107. doi: 10.19287/j.mtmt.1005-2402.2022.06.016

Research on accurate modeling method of bearing joint based on sub region virtual material method

doi: 10.19287/j.mtmt.1005-2402.2022.06.016
  • Received Date: 2021-09-23
  • Accepted Date: 2022-04-12
  • Aiming at the problem that the uneven distribution of contact stress between the rolling element and the raceway is not considered in the virtual material model of rolling contact movable joint, a method of virtual material joint modeling in different regions is proposed. Taking the ball bearing as an example, the theoretical model of ball bearing which can be used to analyze the contact stress distribution at different ball phase angles is established, then based on the contact stress distribution characteristics of the ball and raceway obtained by this model, the non-uniform contact characteristics are equivalently represented by the zonal virtual material joint model. Finally, the virtual material model of the ball bearing joint considering the non-uniform contact is established. The experimental platform of headstock with different sizes of ball bearings is built, and the effectiveness of this modeling method is verified by experiments. The results show that the virtual material joint modeling method is an effective method to characterize the uneven distribution of contact stress between ball and raceway.

     

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