基于总线的数控系统嵌入式热误差补偿实现方法  

The Method of Thermal-error Compensation Embedded in CNC Based on Bus

作　　者：尹玲[1] 陈吉红[1] 李海洲[1] 毛新勇[1] 谭波[1] 刘国[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：《机床与液压》2011年第9期5-7,共3页Machine Tool & Hydraulics

基　　金：国家科技重大专项项目(2009ZX04014-024);湖北省产学研合作重大项目(C2010003)

摘　　要：热误差是影响机床加工精度的重要误差源。简要介绍THK6370卧式加工中心主轴热变形的测量及建模方法,详细阐述热误差补偿在基于总线的数控系统上嵌入式集成的方法,提出热误差补偿模块的软硬件设计方案,并开发补偿模块。在THK6370上进行实验验证,结果表明,加工精度提高了30%。Thermal errors is the major contributor to the inaccuracy of the precision machine tools.The spindle thermal deformation measurement and modeling with THK6370 horizontal machining center were introduced.The method of the thermal error compensation embedded in the CNC system based on bus was expounded.The software and hardware designing of the compensation module were presented and the module was developed.The experimental result in THK6370 shows that the precision is increased 30%.

关 键 词：热误差补偿 总线数控系统 嵌入式集成 

分 类 号：TP23[自动化与计算机技术—检测技术与自动化装置]