Transactions of Materials and Heat Treatment

Title：Parameter optimization on cylinder power spinning based on grey correlation degree

Authors： Zhang Tao Fan Wenxin Cai Zhiqing Li Yue

Unit： North University of China

KeyWords： cylinder bushings of connecting rod power spinning grey correlation coefficient orthogonal test

ClassificationCode：TG376

year,vol(issue):pagenumber：2017,42(7):88-91

Abstract：

The selection of process parameters is very important to ensure the dimensional accuracy in the process of stagger spinning. The test data from nine groups were obtained based on orthogonal experiment by taking the roundness, straightness and inner diameter expansion amount as the evaluation indexes, and the thinning rate, stagger,round corner radius of spinning wheel and feed ratio as the experimental factors. The orthogonal test data were analyzed by the method of grey correlation degree analysis, and the multi-objective optimization problem was then turned to a single-objective optimization problem. Thus, the optimized process parameters for bushings of connecting rod were obtained. The result shows that the roundness error, straightness error and inner diameter expansion amount can be reduced, and the dimensional accuracy of spinning parts can be improved effectively by the optimized process parameters.

Funds：

山西省自然科学基金资助项目(2012011023-2)；山西省高校高新技术产业化项目（20120021）

作者简介：张涛(1992-)，男，硕士研究生，E-mail：577910644@qq.com；通讯作者：樊文欣(1964-)，男，博士，教授，E-mail：fanwx@nuc.edu.cn

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