| Dimensional Synthesis Design of Novel Parallel Machine Tool |
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| 作者姓名： | 汪劲松 唐晓强 段广洪 尹文生 |
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| 作者单位： | WANG Jinsong，TANG Xiaoqiang DUAN Guanghong，YIN Wensheng Manufacturing Engineering Institute，School of Mechanical Engineering，Tsinghua University，Beijing 100084，China |
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| 基金项目： | Supported by the National High- Tech Developm entProgram (No.86 3- 5 11- 943- 0 0 1) and the NationalNatural Science Foundation of China(No.5 980 5 0 11) |
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| 摘 要： | IntroductionIn recent years,the kinematics design theory ofparallel machine tools(PMT) has been attractingmuch attention from industry and researchcommunities1,2 ] . The dimensional design is oneimportant part of the PMT kinematics designtheory. The approaches in previous work on dimensionaldesign of PMT may be classified into twocategories. One category is local optimal designwhich focuses on finding a family of dimensionalparameters generating an isotropic configuration,that is,a conf…
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Dimensional Synthesis Design of Novel Parallel Machine Tool |
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| WANG Jinsong,TANG Xiaoqiang DUAN Guanghong,YIN Wensheng Manufacturing Engineering Institute,School of Mechanical Engineering,Tsinghua University,Beijing ,China.Dimensional Synthesis Design of Novel Parallel Machine Tool[J].Tsinghua Science and Technology,2002,7(3). |
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| Authors: | WANG Jinsong TANG Xiaoqiang DUAN Guanghong YIN Wensheng Manufacturing Engineering Institute School of Mechanical Engineering Tsinghua University Beijing China |
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| Institution: | WANG Jinsong,TANG Xiaoqiang DUAN Guanghong,YIN Wensheng Manufacturing Engineering Institute,School of Mechanical Engineering,Tsinghua University,Beijing 100084,China |
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| Abstract: | This paper presents dimensional synthesis design theory for a novel planar 3-DOF (degrees of freedom) parallel machine tool. Closed-form solutions are developed for both the inverse and direct kinematics. The formulation of the dexterity and the definitions of the theoretical workspace and the valid workspace are used to analyze the effects of the design parameters on the dexterity and workspace. The analysis results are used to propose an approach to satisfy the platform motion requirement while realizing orientation capability, dexterity and valid workspace. A design example is given to illustrate the effectiveness of this approach. |
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| Keywords: | dimensional synthesis design parallel machine tool |
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