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<p>A comprehensive quasi-static model of the tapered roller bearing with the modified roller element is established. Based on the slicing method, the wear depth models of both roller element and raceway are derived. The influences of roller element modification on the wear depth distribution characteristics of both roller element and raceway under different load conditions are investigated. The contact pressure distribution between roller element and raceway before and after wear are compared and analyzed. The results indicate that the modification of roller element has a significant effect on bearing wear. The smaller the modification amount, the lower the peak wear depth, and the peak wear position is closer to the end of the roller elements. Wear has a weak impact on the contact force between the roller element and the raceway, but leads to the increase of the peak contact pressure.</p>

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Wear analysis of tapered roller bearing considering roller element modification and its influences on contact pressure distribution

  • 期刊论文

  • 发表日期：

    2025年4月3日

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  • Liang Zhang,
  • Zengzhi Liu,
  • Liyang Xie,
  • Weisong Tian,
  • Yu Zhang

摘要

A comprehensive quasi-static model of the tapered roller bearing with the modified roller element is established. Based on the slicing method, the wear depth models of both roller element and raceway are derived. The influences of roller element modification on the wear depth distribution characteristics of both roller element and raceway under different load conditions are investigated. The contact pressure distribution between roller element and raceway before and after wear are compared and analyzed. The results indicate that the modification of roller element has a significant effect on bearing wear. The smaller the modification amount, the lower the peak wear depth, and the peak wear position is closer to the end of the roller elements. Wear has a weak impact on the contact force between the roller element and the raceway, but leads to the increase of the peak contact pressure.