Transactions of Materials and Heat Treatment

Title：Simulation on power spinning process for TB6 titanium alloy cylindrical parts

Authors： Zhu Enrui Cui Xia Guo Lulu Ouyang Delai

Unit： Nanchang Hangkong University

KeyWords： titanium alloy spinning cylindrical part thinning rate spindle speed wheel feeding rate deformation temperature

ClassificationCode：TG376

year,vol(issue):pagenumber：2023,48(2):126-134

Abstract：

The spinning process model of TB6 titanium alloy cylindrical parts was established, and the deformation process of workpiece under different process parameters was simulated by finite element software. Then, the force and deformation characteristics of workpiece during the spinning process were analyzed, and the influence laws of process parameters such as thinning rate (30%-45%), deformation temperature (900-1050 ℃), spindle speed (3-6 r·s-1) and wheel feeding rate (1.0-2.5 mm·s-1) on equivalent stress and equivalent strain during the spinning process were studied. The results show that the deformation temperature and the spindle speed have little influence on the forming quality of workpiece, while the wheel feeding rate and the thinning rate have significant influence on the forming quality. With the increasing of the wheel feeding rate, the roundness accuracy of outer diameter shows V-shaped distribution, and with the increasing of the thinning rate, the maximum equivalent stress and the equivalent strain of workpiece increase accordingly. Thus, the optimal combination of spinning process parameters obtained by comprehensive optimization is the thinning rate of 30%, the deformation temperature of 1000 ℃, the spindle speed of 4 r·s-1, and the wheel feeding rate of 2 mm·s-1.

Funds：

国家自然科学基金地区科学基金资助项目（51761029）

作者简介：朱恩锐（1998-），男，硕士研究生，E-mail：287148134@qq.com；通信作者：崔霞（1979-），女，博士，副教授，E-mail：Cuixia2000@163.com

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