非球面并联仿形磨床的靠模原理与误差分析  

Parallel shaping principle and error analysis of an aspheric grinding machine

作　　者：王院生[1] 路桂英[1] 康红梅[1] 

机构地区：[1]中国地质大学(武汉)机械与电子信息学院,武汉430074

出　　处：《哈尔滨工业大学学报》2009年第7期259-261,共3页Journal of Harbin Institute of Technology

摘　　要：本文介绍了并联仿形法加工光学非球面的靠模原理,并提出了一种加工测量一体化的非球面磨床的总体结构.运用齐次坐标转换法,对磨床的误差传动链进行了详细分析,建立了误差方程.结合实际,若线误差取0.2μm,角误差取0.2,″则最后的加工精度,按概率法合成可达1.65μm量级,具有实用价值.The profile shaping principle of aspheric optical parts manufacturing is illuminated, and the main structure of a new grinding machine capable of processing and measuring performance is proposed. The error movement chains of machine are analyzed by homogeneous coordinate transforming method, and the error equa- tions are set up. According to practical machining, assumed that all linear errors are 0. 2 μm and all angle errors are 0. 2 seconds, then the processing precision can reach 1.65 μm, which proves the feasibility of the method.

关 键 词：非球面光学零件 并联仿形法 齐次坐标法 

分 类 号：TH161[机械工程—机械制造及自动化]