机床整机的动态特性分析  

Analysis of dynamic characteristics of machine tool as a whole

作　　者：覃文洁[1] 左正兴[1] 刘玉桐[1] 文占科[1] 丁庆新[2] 

机构地区：[1]北京理工大学车辆工程学院CAD/CAM室,北京100081 [2]北京第一机床厂

出　　处：《机械设计》2000年第10期24-26,共3页Journal of Machine Design

基　　金：863资助项目!(952 0 6450 0 )

摘　　要：采用用户自定义矩阵单元来处理机床结合部的接触问题 ,在商品化软件平台上建立了机床整机的有限元模型 ,并对其进行了动态特性的分析。运用该方法来进行结构的性能预测 ,已用于工厂对机床的结构改进设计中。The contact problem of integrated part of machine tool is being handled with the adoption of matrix unit selfdefined by users.The finete element model of machine tool as a whole is established on the platform of commercialized softwares and the analysis on its dynamic characteristics is being carried out.Function prediction of the structure is conducted by applying this method.This method has already been applied in factories in the design of improving the structures of machine tools.

关 键 词：有限元 动态特性 机床整机 接触问题 

分 类 号：TG502.1[金属学及工艺—金属切削加工及机床]