零传动滚齿机几何误差建模及补偿研究  

A Synthetical Model of Geometrical Error and Thermal Error for a Direct-drive Gear Hobbing Machine

作　　者：胡晋[1,2] 张根保[2] 张新玉[2] 

机构地区：[1]重庆科技学院机械工程学院,重庆401331 [2]重庆大学机械学院,重庆400044

出　　处：《机械科学与技术》2009年第3期336-339,共4页Mechanical Science and Technology for Aerospace Engineering

基　　金：高等学校博士学科点专项科研基金项目(20020611004);国家自然科学基金项目(50575232)资助

摘　　要：几何误差是零传动滚齿机的主要误差。在研究零传动滚齿机结构的基础之上,分析其产生几何误差的主要原因和误差来源,利用齐次变换传递矩阵分别建立了滚刀主轴和工件主轴几何误差模型;然后结合两轴的几何误差模型建立了综合误差模型;最后利用该误差模型对零传动滚齿机的几何误差进行补偿,试验证明,补偿后零传动滚齿机的加工精度有了明显提高,这对进一步提高机床加工精度有重要的理论和实验依据。Geometrical error is the main error in a direct-drive hobbing machine. The structure of the machine was studied, and the causes for geometrical error were analyzed. The geometrical error models of the tool spindle and the workpiece spindle were built by using homogeneous transfer matrix （HMT）. Then, an integrated error model was established. Finally, compensation for the geometrical error was made by using the error model of the machine tool. The results of experiments indicate that the precision is improved greatly after the compensation.

关 键 词：零传动 滚齿机 几何误差 建模 齐次变换矩阵 

分 类 号：TH161[机械工程—机械制造及自动化]