考虑齿形误差的RV减速器摆线针轮副传动误差分析

Journal of Mechanical Transmission(2020)

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Abstract
在摆线轮加工过程中,由于受到机床精度、刀具精度、工装夹具精度及轮坯精度等因素的影响,不可避免地会产生齿形误差.为了评估齿形误差对摆线针轮副传动精度的影响,基于实测的摆线轮齿形误差计算出实际齿面坐标点数据.采用非均匀有理B样条(NURBS)曲线对实测齿面数据进行曲线拟合,得到含齿形误差的摆线轮数字化齿廓.依据齿轮啮合原理对摆线轮数字化齿面进行齿面接触分析,获得了考虑齿形误差的摆线针轮副传动误差曲线.仿真结果表明,齿形误差会改变摆线轮传动误差曲线的形状和幅值.
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