可补偿任意结构数控机床几何误差的通用后置处理  

A Generalized Post-processing Algorithm to Compensate Geometric Errors of Multi-axis NC Machine Tools with Arbitrary Configuration

作　　者：何耀雄[1] 周云飞[1] 周济[1] 

机构地区：[1]华中科技大学国家数控系统工程技术研究中心,湖北武汉430074

出　　处：《应用科学学报》2002年第1期84-89,共6页Journal of Applied Sciences

基　　金：国家 8 63计划资助项目 ( 8635 1182 0 0 0 4)

摘　　要：运用机构运动学理论并考虑数控机床各个运动副六个自由度方向的几何误差 ,建立了适用于具有任意拓扑结构的数控机床的运动学模型和误差模型 .提出应用该运动学模型和误差模型进行数控编程通用后置处理 。The multi axis NC machine tool typically consists of two open kinematics chains: workpiece chain and cutter chain. According to this principle, the kinematics model and error model of multi axis NC machine tools have been analyzed and set up, and then a generalized algorithm for post processing of multi axis NC machine tools is presented in this paper. The algorithm can be used to generate the coordinated motion value for all types of multi axis NC machine with all sorts of errors according to the tool path generated by the CAM system.

关 键 词：数控机床 几何误差 后置处理 数控编程 机构运动学 误差补偿 

分 类 号：TG659[金属学及工艺—金属切削加工及机床]