数控机床伺服进给机构建模与仿真应用  

Modeling and simulation application of CNC machine tool servo feed mechanism

作　　者：曹文智[1] 孙名佳[1] CAO Wenzhi;SUN Mingjia(State Key Laboratory of High-grade Numerical Control Machine,Shenyang Machine Tool(Group) Co.,Ltd.,Shenyang 110142,CHN)

机构地区：[1]沈阳机床(集团)有限责任公司高档数控机床国家重点实验室,辽宁沈阳110142

出　　处：《制造技术与机床》2018年第11期39-43,共5页Manufacturing Technology & Machine Tool

基　　金：国家科技重大专项(2013ZX04001-031)

摘　　要：给出了数控机床伺服进给机构各部分的数学模型,并考虑了各种非线性因素。应用Simulink建立了仿真模型,得出了仿真的速度环和位置环阶跃相应曲线。通过对比仿真曲线和实测结果验证了模型的准确性。应用仿真模型,分析了激光干涉仪和球杆仪测试结果差异的原因,并给出了相应的改善方法。The mathematical model of CNC machine tool servo feed mechanism is given,and the nonlinearities are considered.The simulation model is established based on Simulink,and the step responses of speed loop and position loop are obtained.The validity of mathematical model is verified by comparing simulation results with measured results.The reasons of the test results difference between laser interferometer and ballbar are analyzed based on the simulation model,and the improved methods are given.

关 键 词：伺服进给机构 数控机床 建模 SIMULINK 

分 类 号：TP29[自动化与计算机技术—检测技术与自动化装置]