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《Machinery & Electronics》 2012-05
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Light Weight Design of a Cantilever Part Based on Machinability

ZHAO Zhi-chao1,CHEN Jian-kui1,2,HUANG Yong-an1(1.State Key Laboratory of Digital Manufacturing Equipment and Technology,Huazhong University of Science and Technology,Wuhan 430074,China;2.Department of Control Science and Engineering,Huazhong University of Science and Technology,Wuhan 430074,China)  
Based on OptiStruct platform and light weight design requirements,a cantilever part of a 5 DOF robot hand is topological optimized.Symmetry constraints and drawing direction constraints are added to the optimization process,which make the machinability better.Strength and stiffness of the optimized model are calculated.Comparing to the experience-design structure,the advantage of topological optimized model is obvious.After optimization,weight of the cantilever part is reduced by 24.8%,and the goal of light weight design is achieved.The design proposal has been applied in actual equipment.
【Fund】: 国家科技支撑计划项目(2009BAF40B04);; 国家自然科学基金重点项目(50835004)
【CateGory Index】: TP242
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