Transactions of Materials and Heat Treatment

Title：Optimization on radial forging process of rectangular cross-section billet

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ClassificationCode：TG316.8

year,vol(issue):pagenumber：2019,44(4):1-9

Abstract：

For the problem of radial forging of rectangular cross-section billet, there are no corresponding calculation models to evaluate forging load, forging power and quality of forgings at present, as well as the standards about forging process planning. According to the deforming characteristic of radial forging, the forging load formula in the plane deformation condition was applied to calculating the forging load of rectangular cross-section billet, and the triangle rule to assess the forging permeability of radial forging for circular cross-section billet was applied to the rectangular cross-section billet and was modified. Then, a calculating model of forging power was presented, and the calculating deviation is generally about 10%. Furthermore, the models of forging efficiency, quality of forgings and forging load were transformed into a single optimization objective function by multi-objective weighting method, and the process parameters such as pass, reduction rate and feeding rate were optimized. At the same time, four process instances were adopted to verify the optimization and evaluation ability of the process optimization algorithm, finally the process optimization algorithm was written into the software and applied to the automatic production process of radial forging.

Funds：

国家自然科学基金资助项目（51775335）

徐方（1992-），男，硕士研究生 E-mail：xf119024130@sjtu.edu.cn 通讯作者：董湘怀（1955-），男，博士，教授 E-mail：dongxh@sjtu.edu.cn

Reference：

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