| Stewart并联机床瞬时刚度分析与应用 |
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| 引用本文： | 陈吉清,兰凤崇. Stewart并联机床瞬时刚度分析与应用[J]. 南京理工大学学报(自然科学版), 2007, 31(4): 482-486 |
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| 作者姓名： | 陈吉清 兰凤崇 |
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| 作者单位： | 华南理工大学,汽车工程学院,广东,广州,510640;华南理工大学,汽车工程学院,广东,广州,510640 |
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| 摘 要： | 对并联加工机床的6-6 Stewart并联机构动态加工过程进行了分析,利用螺旋矢量方法建立了机床6-6并联机构刚度数学模型,计算了动态瞬时刚度和刀具的偏移误差,并开发了应用软件,对6-6并联机床结构在多种不同参数变化条件进行了数值模拟.研究结果可为机床精确控制和实时标定提供算法,对优化机构设计、工作空间设计及载荷设计和布置提供理论依据.
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| 关 键 词： | 机床 并联机构 Stewart平台 刚度 模拟 设计 |
| 文章编号： | 1005-9830（2007）04-0482-05 |
| 修稿时间： | 2005-09-12 |
Instantaneous Stiffness Analysis and Application in Stewart Parallel Machine Tools |
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| CHEN Ji-qing,LAN Feng-chong. Instantaneous Stiffness Analysis and Application in Stewart Parallel Machine Tools[J]. Journal of Nanjing University of Science and Technology(Nature Science), 2007, 31(4): 482-486 |
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| Authors: | CHEN Ji-qing LAN Feng-chong |
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| Affiliation: | School of Automotive Engineering, South China University of Technology, Guangzhou 510640, China |
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| Abstract: | The investigation is carried out into the tooling process of a 6-6 Stewart parallel machine tool with dynamic features. The derivation into the instantaneous 6-6 parallel structure stiffness mathematical models is performed. The calculation simulation results in the stiffness matrix and cut- ter deflections during tooling process. A self-developed software system has packaged numerical sim- ulations to enable the variety of different structure parameters and tooling conditions. The results provide the algorithms for control and calibrations on the machining accuracy and the theoretical information for optimum configuration, workspace and loading. |
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| Keywords: | machine tools parallel mechanism Stewart platform stiffness simulation design |
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