精密数控机床主轴系统热动态特性分析与研究  

Dynamic Thermal Characteristics Analysis and Research on the Spindle System of Precision NC Machine Tool

作　　者：汪红波[1] 王建强[1] 

机构地区：[1]浙江师范大学机电技术研究中心,浙江金华321019

出　　处：《新技术新工艺》2011年第7期92-95,共4页New Technology & New Process

基　　金：浙江师范大学青年教资助改项目(JGQN2011051);浙江省教育厅科研项目资助(Y201016042)

摘　　要：解决了因主轴热变形引起的数控机床加工精度下降的问题,建立了精密数控机床主轴径向和轴向动态热变形的计算机精细数值计算模型和主轴热误差动态预报理论模型,以期揭示温度变化对精密数控机床加工精度的影响机理,为精密数控机床综合误差补偿提供理论依据和技术支撑。本文采用理论分析、数值计算和试验研究相结合的方法,利用有限元方法的数值特点和实际工况实时测量数据的可靠性,为数控机床主轴系统热态特性研究提供理论与实际的依据。The article has solved the problem that the thermal deformation of the spindle system affects accuracy of CNC,determined relationship between change of temperature and the thermal deformation of the spindle system,established fine numerical model of precision CNC machine tool spindle thermal deformation of radial and axial dynamic and theoretical model of dynamic prediction.In order to reveal the impact mechanism that precision CNC machining precision,Provides theoretical basis and technical support for precision CNC machining precision.by theoretical analysis,numerical calculation and experimental method of combining the finite element method of numerical characteristics and actual conditions the reliability of real-time measurement datum,described CNC machine tool spindle system for the thermal characteristics of research theory and practice basis.

关 键 词：动态热变形 误差补偿 理论模型 有限元 

分 类 号：TP391.9[自动化与计算机技术—计算机应用技术]