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A Method to Solve the Stiffness of Double-Row Tapered Roller Bearing

Author

Listed:
  • Henghai Zhang
  • Wenku Shi
  • Guozheng Liu
  • Zhiyong Chen

Abstract

By analyzing the roller force, the nonlinear stiffness model of the double-row tapered roller hub bearing is derived, and the method of solving the hub bearing stiffness matrix is summarized: if the displacement between the inner and outer rings is known, the stiffness of the hub bearing can be directly calculated. If only the external load of the hub bearing is known, the displacement of the hub bearing needs to be solved by numerical method, and then the stiffness of the hub bearing can be calculated. The improved Newton-Raphson method is used to solve the stiffness matrix of the hub bearing. Three-dimensional FE model of DRTRBs is presented and validated the proposed the stiffness matrix of the hub bearing. It is found that the radial stiffness of the hub bearing is greater than the axial stiffness. The stiffness of the hub bearing is greatly affected by the vertical force of the ground and the wheel driving torque, showing obvious nonlinearity. The smaller the vertical ground load and wheel driving torque, the greater the influence of vertical ground load and wheel driving torque on the hub bearing stiffness.

Suggested Citation

  • Henghai Zhang & Wenku Shi & Guozheng Liu & Zhiyong Chen, 2019. "A Method to Solve the Stiffness of Double-Row Tapered Roller Bearing," Mathematical Problems in Engineering, Hindawi, vol. 2019, pages 1-13, July.
    • Handle: RePEc:hin:jnlmpe:1857931
    DOI: 10.1155/2019/1857931
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