RV减速器几何回差的精确建模及试验研究  

Research on Accurate Modeling and Test of Geometric Backlash of RV Reducer

作　　者：任重义[1] 毛世民[2] 郭学东[1] REN Zhongyi;MAO Shimin;GUO Xuedong(School of Mechanical Engineering,Ningxia University,Yinchuan 750021,China;State Key Laboratory for Manufacturing System Engineering,Xi′an Jiaotong University,Xi′an 710049,China)

机构地区：[1]宁夏大学机械工程学院,银川750021 [2]西安交通大学机械制造系统工程国家重点实验室,西安710049

出　　处：《机械科学与技术》2022年第8期1216-1223,共8页Mechanical Science and Technology for Aerospace Engineering

基　　金：宁夏自然科学基金项目(2019AAC03028)。

摘　　要：RV减速器几何回差指单纯由于传动元件的几何尺寸、形状与位置参数原因造成减速器输入轴反向转动时,输出轴在转角上的滞后量。目前国内外学者研究了各种制造安装误差对几何回差的影响,设计试验台并进行了试验。但目前对几何回差的研究中没有考虑摆线轮齿廓的修形方法及制造安装误差的方向对几何回差造成的影响,当计入齿廓修形方法及制造安装误差的方向时,RV减速器的输出轴在不同相位时的几何回差并不相同。本文综合考虑了各零件制造及安装误差的大小及方向,建立了RV减速器精确的几何回差模型及数学模型,并对回差进行了仿真及试验。研究结果可用于提高减速器的传动精度,并为传动系统各零件的公差设计提供依据。The geometric backlash of RV reducer is the rotation angle hysteresis of output shaft when the input shaft rotation direction changed,which is caused by transmission element geometry accuracy,shape accuracy and position accuracy.The influence of various manufacturing errors and installation errors on geometric backlash has been studied and tested by many researchers.However,the current research on the geometric backlash does not consider the effect of the modification method of the cycloidal gear tooth profile and the direction of the manufacturing errors and installation errors.In fact,the manufacturing errors and installation errors have directions,and the modification methods are different,the geometrical backlash of the RV reducer is different when the output shaft is in different positions.In this paper,the size and direction of manufacturing errors and installation errors of RV reducer′s parts are considered comprehensively,and the accurate geometric backlash model and mathematical model of RV reducer are established,and the geometric hysteresis was simulated and tested.The results can be used to improve the transmission precision of the reducer and provide the basis for the tolerance design of each part of the transmission system.

关 键 词：RV减速器 回差 传动精度 摆线针轮传动 

分 类 号：TH132.41[机械工程—机械制造及自动化]