滚珠丝杠磨削加工热变形误差的分段补偿方法  

Segmented Compensation Algorithmfor Thermal Deformation Error of Ball Screw in Grinding

作　　者：李郝林[1] 陈琳[1] 

机构地区：[1]上海理工大学

出　　处：《工具技术》2009年第6期53-54,共2页Tool Engineering

基　　金：上海市科学技术委员会资助项目(项目编号:071107029)

摘　　要：在分析滚珠丝杠磨削过程中热变形误差变化的基础上,提出一种基于有限元法的确定螺距热误差分段补偿量的算法,并通过具体算例说明了该方法的计算过程,为保证滚珠丝杠的磨削加工精度提供了手段。Based on analyzing the variation of thermal deformation error in ball screw grinding, a FEM-based algorithm to determine the segmented eompensation rate of pitch thermal errors was presented. The calculating process of this algorithm was illustrated by an example. The method offers a way to ensure the precision of ball screw grinding.

关 键 词：滚珠丝杠 磨削 热变形误差 螺距误差 分段补偿 有限元 

分 类 号：TG659[金属学及工艺—金属切削加工及机床] TH161.4[机械工程—机械制造及自动化]