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摘要:以多体系统误差建模理论和齿轮啮合原理为基础,提出含有机床运动几何误差以及齿轮副安装误差的螺旋锥齿轮齿面接触分析(Error tooth contact analysis, ETCA)方法。以SGM法(大轮展成法加工,小轮变形法加工)加工的弧齿锥齿轮为例,通过ETCA分析,得到机床运动误差和安装误差对螺旋锥齿轮齿面加工质量影响的定量关系,对ETCA和TCA的结果进行对比分析,结果表明机床运动误差和安装误差对螺旋锥齿轮的齿面接触质量有较大的影响,为了通过齿面接触分析达到更准确的反调加工参数的目的,采用ETCA的分析结果指导加工参数反调更为合理。
关键词:齿面接触分析 螺旋锥齿轮 机床运动几何误差 多体系统误差建模
中图分类号:TH132.4
国家重点基础研究发展计划资助项目(973计划,2005CB724100)。 20070703收到初稿,20080228收到修改稿
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作者简介:唐进元,男,1962年出生,教授。主要研究方向为复杂曲面数字化设计与制造。
E-mail:jytang@mail.csu.edu.cn
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