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数控机床主轴部件动态优化设计

Dynamic optimum design on spindle components of numerical controlled machine tools

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【Author】 ZHANG Bo~1, HU En-dian~2, CHEN Tian-ning~1, CHEN Hua-ling~1, LIU Bao-dong~3 (1. Mechanical Engineering Institute, Xi’an Jiaotong University, Xi’an 710049, China; 2. Mechanical Engineering Institute, Ningxia University, Yinchuan 750021, China; 3. Ningxia Changcheng Machine Tool Works, Yinchuan, China)

【机构】西安交通大学机械工程学院；宁夏大学机械工程学院；宁夏长城机床厂陕西西安710049；宁夏银川750021；陕西西安710049；陕西西安710049；

【摘要】在对某型数控车床进行空运转、切削及模态试验的基础上 ,确定了机床主轴部件动刚度薄弱是引起机床切削的结构颤振方面的原因。据此 ,建立了机床主轴部件的有限元动力学模型 ,并对主轴部件进行了静、动特性的计算和动态优化设计更多还原

【Abstract】 On the bases of carrying out idle operation, cutting and modal experiment of certain numerical controlled lathe, it is determined that weak dynamic stiffness in the spindle component of machine tool is the reason in the respect of structure for causing cutting vibration of machine tools. In view of the above, a finite element dynamics model of spindle component of machine tool was established, and the calculation of static and dynamic characteristics and the dynamic optimal design were carried out upon the spindle component.更多还原

【关键词】数控车床；有限元；模态分析；优化设计；
【Key words】 NC lathe； finite element； modal analysis； optimization design；

【基金】宁夏自然科学基金资助项目 (E0 0 1 );宁夏大学青年教师科研启动基金资助项目 (QN0 2 1 1 6)

【文献出处】机械设计 ,Journal of Machine Design , 编辑部邮箱 ,2004年05期

【分类号】TG659
【被引频次】71
【下载频次】1059

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