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International Conference on Mechanical and Electrical Technology 2009 (ICMET 2009)

Wenzheng Li
Wenzheng Li
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A new theory, mega-frame theory, is transplanted to the construction of the platforms. In order to increase the MFP's performance and decrease its steel consumption, the topological optimization whose purpose is to find out the best use of material is used in the construction of the mega-frame platform. Then the orthogonal design is chosen as the mega-frame platform optimizing method to find out the parameters which have the most important effect on the platforms' performances. In this paper, there are six factors that may have effect on the MFP' static capability are studied. The analyses show that: the most important factor that effects the MFP is the diameter of the major columns, then the leg batter of the major columns; the thirdly and the fourthly factor are the position and the diameter the major beams; the height of the major beam has the least effect on the MFP's performances. The mode analysis of the optimal MFP shows that the platform has high global stiffness and the equal mass and stiffness distribution.

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