数控机床定位误差的补偿研究  

Research on Compensation of Location Error of CNC Machine Tool

作　　者：于博[1] 于正林[1] 顾莉栋[1] 曲超平 周家贺 

机构地区：[1]长春理工大学,吉林长春130022

出　　处：《机床与液压》2015年第3期116-118,167,共4页Machine Tool & Hydraulics

基　　金：国家自然科学基金资助项目(50775014)

摘　　要：数控机床的定位精度是决定其加工质量的关键因素。针对数控机床定位误差存在的累积性和重复性,提出了增量式误差补偿法,建立了通用的增量式误差补偿模型,并将其应用于由本实验室自主研发的"切线法数控成形非球面机床"中。经实验分析表明:增量式误差补偿法可以大幅地提高数控机床的定位精度。The location accuracy of CNC machine tool is the key factor for its machining quality. The incremental error compensa- tion algorithm was proposed by aimed at the accumulation and repeatability of location error of CNC machine tool. A universal incremen- tal error compensation model was built, which was applied in the ＂Aspheric CNC machine tool by Tangent Method＂ developed in free- dom. The experimental analysis shows that this incremental error compensation algorithm can improve the location accuracy of CNC ma- chine tool by a wide margin.

关 键 词：数控机床 定位误差 增量式补偿 

分 类 号：TP273[自动化与计算机技术—检测技术与自动化装置]