摘要
目的测试设计的170SD30全陶瓷电主轴进行有限元分析及振动性能,验证电主轴结构设计的合理性.方法采用有限元软件ANSYS对其三维建模并进行了模态分析,得到其前六阶固有频率和振型,分析计算出临界转速,并对装配好的全陶瓷电主轴振动性能测试及其分析.结果 ANSYS模态分析计算结果表明主轴设计工作转速远远低于其临界转速,能有效避开共振区;全陶瓷电主轴振动性能测试结果表明在设计范围内电主轴振动平稳,同时也说明在ANSYS中对模型的简化和有限元分析结果是合理的.结论通过模态分析法和振动性能测试表明电主轴设计是可行的,也可看出ANSYS对全陶瓷电主轴的动态仿真和结构优化有一定的指导意义,为进一步动态性能分析提供依据.
This paper analyzes the finite - element analysis and makes the vibration performance test of the designed 170SD30 full ceramic motorized spindle, and the result verifies the rationality of the design structure of the motorized spindle. A 3D FEM system is built, calculates the first six sets natural frequency, vibration mode by the modal analysis in ANSYS, figures out the limited rotate speeds, and make vibration performance test and analyze the result for the full ceramic motorized spindle which is assembled. The result from modal analysis method of ANSYS indicates that the designed working speed of spindle is far away from its limited rotate speed, it can avoid the region of sympathetic vibrations effectively;it can be verified that the vibration of the motorized spindle is stable under the design range through the result of the vibration performance test, which also can verify the rationality of model simplification and the finite - element analysis. Based on the method of modal analysis, it can be concluded that the design of motorized spindle is feasible and ANSYS has directive sense to dynamic simulation and structural optimization of the full ceramic motorized spindle, and the research lays a foundation for the dynamic characteristics analysis of motorized spindle in the next step.
出处
《沈阳建筑大学学报（自然科学版）》
CAS
北大核心
2010年第4期767-771,共5页
Journal of Shenyang Jianzhu University：Natural Science
基金
国家高技术研究发展计划(863计划)项目(2006AA03Z533)
国际科技合作项目(2008DFA70330)
辽宁省教育厅创新团队项目(2009T081)
关键词
全陶瓷电主轴
ANSYS
模态分析
振动性能测试
full ceramic motorized spindle
ANSYS
modal analysis
vibration performance test
