新型内平动分度凸轮机构啮合效率分析

Mingtao LIU, Junfeng XU,Yanqi LI,Fengxiao ZHAI, Yongning XUE

Journal of Tianjing University of Science & Technology(2015)

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Abstract
为建立内平动分度凸轮机构的效率模型,首先分析了针齿与凸轮的相对滑动速度,在考虑摩擦力的影响下计算了针齿-凸轮副的啮合力,在此基础上求出了针齿-凸轮副的啮合效率;分析了啮合平均效率随设计参数变化的规律,拟合求得了以针齿分布圆半径和偏心距为自变量的平均效率公式。研究结果表明,平均效率随针齿分布圆半径增大而减小,随偏心距增大而增大。
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Key words
indexing mechanism,relative velocity,meshing force,meshing efficiency
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