Abstract
Objective: To improve the comprehensive performance of starter press machine. Methods: Based on the finite element analysis method for die box component modal and harmonic response analysis, and based on the finite element model by using variable density method was carried out on the die box component topology optimization, and the topology structure was also improved, which will improved the quality of the die box components and 1 order natural frequency as the optimization goal. The multi-objective optimization design was carried out based on non-dominated sorting genetic algorithm. Results: In the fourth mode, large torsional deformation appeared on the overall edge of the die box components, which did not meet the requirements of stiffness performance. The highest speed of the servo motor was close to the first-order critical speed, and the probability of low-frequency coupling resonance was very large. At the same time, the region where the response peak occurs was basically the same as the region where the deformation occurs in the modal analysis, which verified the accuracy of the dynamic characteristic results. After optimization, the mass of the die box component decreased by 15.13%, and the first four natural frequencies increasd by 14.09%, 14.14%, 3.54% and 10.37%, respectively. Conclusion: The dynamic characteristics of the starter press machine mainly affect its production efficiency and starter press quality. Under the optimized die box component, the starter press machine has good dynamic performance and achieves the goal of lightweight design.
Publication Date
4-25-2023
First Page
87
Last Page
93,163
DOI
10.13652/j.spjx.1003.5788.2022.80458
Recommended Citation
Yao-zhi, MENG; Yan, SHI; Ying-hua, LIAO; Zheng-quan, YANG; and Xiao-hong, LI
(2023)
"Optimization design of die box component of rotary compound starter press machine based on dynamic characteristics,"
Food and Machinery: Vol. 39:
Iss.
2, Article 14.
DOI: 10.13652/j.spjx.1003.5788.2022.80458
Available at:
https://www.ifoodmm.cn/journal/vol39/iss2/14
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