利用齿面接触分析的两级摆线针轮减速器传动误差分析方法
Transmission Error Analysis of Two Stage Cycloidal Pinwheel Mechanism Using Tooth Contact Analysis Method
韩斌斌 1宿月文 2郭彩霞2
作者信息
- 1. 北京无线电计量测试研究所 北京 100039
- 2. 宝鸡文理学院陕西省机器人关键零部件先进制造与评估省市共建重点实验室,陕西宝鸡 721016
- 折叠
摘要
两级摆线针轮机构可在结构紧凑的前提下获得高减速比.为评估该型机构的传动性能,提出了一种新型两级摆线针轮减速器的摆线齿形设计参数式,经坐标转换以及摆线针轮啮合方程式,并通过齿面接触分析原理构建了空载时齿面接触方程组,进而求解得到传动误差.根据不同齿廓修形方法以及不同修形量的组合进行传动误差对比分析,结果表明复合修形比单一修形情况下,传动误差相对较小,而且正等距加正移距复合修形情况下传动误差最小.该理论可为新型两级摆线针轮机构的传动性能评估提供理论基础.
Abstract
High reduction ratio can be realized by the two-stage cycloidal pinwheel mechanism with compact structure.In order to evaluate the transmission performance,a special tooth profile design formula for cycloidal tooth profile is built for new two-stage cycloidal drive in this study.Tooth profile equations of two cycloidal gear are transformed into identical coordinate system and used to form expression describing mesh process between cycloidal gear and pins.Thus,the whole tooth contact equations are innovatively proposed based on unloaded tooth contact analysis method,and solved to obtain transmission error.Using different modification values and several profile modification methods,transmission errors of two-stage cycloidal pinwheel mechanism are calculated for comparative analysis.Results indicate that transmission error is relatively smaller in the case of compound modification than single modification,and the smallest in the case of compound modification,i.e.positive equidistance plus positive displacement.The proposed method can provide a theoretical basis for evaluating transmission performance of the new two-stage cycloidal pinwheel mechanism.
关键词
摆线针轮传动/齿面接触分析/传动误差/齿廓修形Key words
cycloidal pinwheel drive/tooth contact analysis/transmission errors/tooth profile modification引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据