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基于流变特性的球轴承差动滑动摩擦热量研究

Keywords: 流变特性,球轴承,差动滑动,摩擦热量

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Abstract:

以高速球轴承拟静力学计算结果为基础,分析了高速球轴承接触区内的差动滑动状态,结合弹流润滑状态下润滑油的流变特性,得到了差动滑动速度、滑滚比、摩擦因数等在接触区内的分布状态,进而确定了高速球轴承的差动滑动摩擦热量.对轴承转速、载荷、沟曲率系数、初始接触角等参数对差动滑动状态的影响进行了分析计算,得到了差动滑动摩擦热量随转速、载荷、沟曲率系数、初始接触角的变化规律.

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