Abstract
The casting bed of vertical lathe for repairing wheel hub is optimized to realize the lightweight design. The optimal selection scheme is optimized to improve the first natural frequency and reduce weight. Multi-objective genetic algorithm is based on the general algorithm of genetic algorithm to solve the problem. The five important dimensions of the bed structure are multi-objective optimized to determine the best optimization scheme. According to the results of multi-objective optimization design of bed, the optimal design scheme based on objective optimization is obtained. After the parameters are rounded, the casting bed is brought into the whole machine model, and the static analysis of the whole machine is carried out to check the safety of the structure.
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