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| Ram Structure Optimization of WT700 CNC Gear Milling Machine |
| TIAN Guofu，ZHANG Kai |
| Shenyang University of Technology, Shenyang 110870, China |
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Abstract According to the structure and bearing characteristics of the WT700 CNC gear milling machine, the finite element model is established, the static and dynamic analyses of typical load case are carried out. The weak part is ram, the topology optimization of ram is achieved by compromise programming method, and the conceptual model of the ram is constructed. The meta structure of the ram is simplified, and the structure with excellent static and dynamic performance is obtained. The lightweight of ram structure is realized on the premise of keeping static and dynamic performance unchanged, and the experimental results show that the mass of ram is reduced by 18.75%.
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2021, 
