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《Modular Machine Tool & Automatic Manufacturing Technique》 2014-04
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Structural Topology Optimization Design for Bed Saddler Based on Variable Density Method

LI Shan-shan;CONG Ming;WANG Gui-fei;ZHOU Zi-liang;School of Mechanical of Engineering,Dalian University of Technology;Dalian Machine Tool Group Corp.;  
The bed saddler of the NC lathe is taken as the object of study. The finite element model is established taking advantage of HyperMesh. The static and dynamic characters analysis are performed based on this model and the deformation,the first natural frequency and mode shape of bed saddler are laid out. The topology optimization of bed saddler based on variable density method is carried out. By taking different types of rib plate cells to fill out the optimized saddle cavity and comparing their mass ratio,the structure w ith optimal stiffness w as obtained as a result finally. The optimization result of this paper makes a guide for the redesign of the bed saddler of NC lathe. The analysis process and methods provide a reference for the designing and manufacturing of similar bed saddler of machine tools.
【Fund】: 国家"高档数控机床与基础制造装备"科技重大专项课题(2011ZX04016-101)
【CateGory Index】: TG519.1
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