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钟形谐波齿轮平面啮合的几何条件及杯底应力分析
Authors
姚云鹏
庞满意
邢静忠
陈晓霞
Publication date
1 January 2020
Publisher
Editorial Office of Journal of Mechanical Transmission
Doi
Cite
Abstract
为实现齿轮齿圈的径向平面变形和齿廓间的平面啮合,依据圆柱壳理论的几何方程,提出钟形筒体与齿圈连接处的变形条件;建立参数化钟形柔轮壳体接触模型,迭代求解实现齿圈平面变形的钟形曲线的几何条件,即齿圈中面半径和钟形曲线半径比值与钟形曲线中心角的关系,并用五次样条曲线拟合表达。求解满足齿圈平面变形时筒体和杯底连接处的变形条件,并依据圆形薄板理论提出杯底变形及应力的计算方法。研究发现,从动轴半径大于0.65倍杯底半径时,钟形柔轮杯底应力随从动轴半径的增加呈指数级增大;但实现齿圈平面变形的钟形曲线几何条件与从动轴半径无关
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Last time updated on 06/04/2023