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18 July 2023 Lightweight design of metro gearbox based on topology optimization
Shidang Yan, Zhongming Liu, Kaiyang Li, Lubing Shi, Bang Pei, Jun Wang, Yukai Zhao
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Proceedings Volume 12744, Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023); 1274409 (2023) https://doi.org/10.1117/12.2688837
Event: Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023), 2023, Nanjing, China
Abstract
The gearboxes, which make up the core component of the metro train bogie, should be lightweight and highly reliable in order to guarantee the security and comfort of train operation. The transient dynamic analysis is performed on a certain type of domestic metro train gearbox as the research object to obtain the load borne by the gearbox body during operation. Then, the strength of the box is analyzed. Finally, a lightweight design is completed using the topology optimization design method under the condition that the strength performance of the box is not reduced. The findings reveal that the weight of the optimized box is 145.8 kg, 12.27% reduction, the maximum deformation is 0.05981 mm, has a 14.46% reduction, and the maximum stress is 66.34 MPa, 7.41% reduction.
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Shidang Yan, Zhongming Liu, Kaiyang Li, Lubing Shi, Bang Pei, Jun Wang, and Yukai Zhao "Lightweight design of metro gearbox based on topology optimization", Proc. SPIE 12744, Second International Conference on Advanced Manufacturing Technology and Manufacturing Systems (ICAMTMS 2023), 1274409 (18 July 2023); https://doi.org/10.1117/12.2688837
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KEYWORDS
Deformation
Mathematical optimization
Design and modelling
Boundary conditions
Performance modeling
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