| 基于COSMOS的并联机床有限元分析 |
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| 引用本文： | 谢红,沈斌,林建荣.基于COSMOS的并联机床有限元分析[J].制造业自动化,2007,29(4):7-10. |
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| 作者姓名： | 谢红 沈斌 林建荣 |
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| 作者单位： | 同济大学,机械工程学院,上海,200092 |
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| 摘 要： | 针对新颖的五自由度五轴并联机床结构，在三维建模的基础上，借助有限元分析软件COSMOS，根据并联机床具有随位形变化而变化的动态特性，分析了该机床主轴在不同关键位置时整机的静刚度和固有频率。结果表明，机床具有良好的性能。
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| 关 键 词： | 并联运动机床 COSMOS有限元分析 静刚度 固有频率 |
| 文章编号： | 1009-0134（2007）04-0007-04 |
| 收稿时间： | 2006-10-18 |
| 修稿时间： | 2006年10月18 |
Finite element method for parallel machine tool based on the COSMOS software |
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| XIE Hong,SHEN Bin,LIN Jian-rong.Finite element method for parallel machine tool based on the COSMOS software[J].Manufacturing Automation,2007,29(4):7-10. |
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| Authors: | XIE Hong SHEN Bin LIN Jian-rong |
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| Abstract: | This paper designs and builds a 3D mode of a 5-DOF Parallel Machine Tool which has five degrees of freedom. According to the theory of the dynamic characteristics that the parallel machine tool changes with the position and pose, the paper also establishes a simplified model of PMT for the static rigidity analysis and inherent frequency analysis. COSMOS is used to analyse the whole simplified model, We can obtain the static rigidity and the frequency of kinematical platform at different locations. According to the result of the analysis, it is found that the machine has a nice performance. |
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| Keywords: | parallel machine tool COSMOS analysis static stiffness inherent frequency |
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