Transactions of Materials and Heat Treatment

Title：Optimization on cold sizing process of CVJ spherical housings based on Kriging model

Authors： Guo Jiachen Wang Jianmin Pan Xiaoying Fan Bowen Rao Guang

Unit： Jiangsu University

KeyWords： CVJ spherical housing Kriging model particle swarm arithmetic height difference of cup wall cold sizing

ClassificationCode：TG316.3

year,vol(issue):pagenumber：2017,42(5):176-180

Abstract：

For the problem of uneven cup wall end after cold sizing for CVJ spherical housing, setting the height difference of cup wall as the optimization objective, a combination method of Kriging surrogate model with particle swarm optimization was applied based on finite element analysis software Deform. Then, the dimension parameters of perform part was sampled by the Latin hypercube sampling method, and the experimental design was completed. Next, the simulation result was obtained by FEM and fitted to the corresponding Kriging model. Furthermore, the Kriging surrogate model was combined with the particle swarm optimization by software MATLAB, the minimum height difference of perform part cup wall was obtained by the global optimization on factors. At last, the height difference of the industrial trial production is reduced from 12 mm to 3 mm, which proves the practicability and validity of the optimization method, and the material utilization rate is improved as well.

Funds：

江苏大学学生科研立项（14A309）

郭嘉晨（1992-），男，硕士研究生汪建敏（1959-），男，硕士，教授

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