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首页> 外文会议>American Society of Mechanical Engineers(ASME)/Society of Tribologists and Lubrication Engineers(STLE) International Joint Tribology Conference; 20071022-24; San Diego,CA(US) >EFFECT OF AXIAL PRELOADING AND WHEEL OFFSET ON THE PERFORMANCES OF AUTOMOTIVE WHEEL BEARINGS
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EFFECT OF AXIAL PRELOADING AND WHEEL OFFSET ON THE PERFORMANCES OF AUTOMOTIVE WHEEL BEARINGS

机译：轴向预紧和车轮偏移对汽车车轮轴承性能的影响

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摘要

With considering the contact angle variations, the nonlinear systems of equations are utilized to obtain load distributions of automotive wheel bearings with axial preloading under radial and lateral tire loads and analyze the effects of axial preloading and wheel offset on the performances of the bearings. The results show that the axial preloading has much more significant influences on the load distributions, the displacements, the system fatigue life and the moment rigidity than the wheel offset. The relative inclination angle is linearly proportional to the axial preloading. The moment rigidity and the system fatigue life are opposite to an amount of axial clearance. In order to improve the rigidity of the automotive wheel bearings and get longer service life synchronously, the bearings should be kept working at a negative axial clearance.
机译：考虑到接触角的变化，利用非线性方程组获得了在径向和横向轮胎载荷下具有轴向预紧力的汽车车轮轴承的载荷分布，并分析了轴向预紧力和车轮偏移对轴承性能的影响。结果表明，轴向预紧力对载荷分布，位移，系统疲劳寿命和力矩刚度的影响远大于轮偏。相对倾斜角与轴向预紧成线性比例。力矩刚度和系统疲劳寿命与轴向游隙量相反。为了提高汽车车轮轴承的刚度并同步获得更长的使用寿命，轴承应保持在负的轴向游隙下工作。

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