Transactions of Materials and Heat Treatment

Title：Calculation on effective electromagnetic force for electromagnetic riveting based on equivalent circle method

Authors： Nie Peng1 2 Wang Yong1 2 Li Haiwei3 Li Bobo1 2

Unit： 1. National Key Laboratory of Aerospace Manufacturing Technology Shenyang Aerospace University 2. School of Mechanical and Electrical Engineering Shenyang Aerospace University 3. Shenyang Aircraft Industry (Group) Co. Ltd.

KeyWords： electromagnetic riveting equivalent circle method induced current effective electromagnetic force discharge voltage distance between coils

ClassificationCode：TG391

year,vol(issue):pagenumber：2021,46(12):141-174

Abstract：

In the case of ignoring the influence of resistance and energy loss in the air, the electromagnetic riveting discharge coil and driving coil model were simplified by the equivalent circle method to calculate the self-inductance and mutual inductance, and the calculation formula of the induced current and the effective electromagnetic force was derived. Then, the interaction model of the discharge coil and the driving coil was built by finite element software ANSYS Electronics Suite, and the induced current and effective electromagnetic force of the driving coil were analyzed by changing the discharge voltage and the distance between the discharge coil and the drive coil. Furthermore, the distribution law of induced current under this condition was similar to the distribution law of effective electromagnetic force, but the position of the maximum value for the effective electromagnetic force was 18 mm from the center of the drive coil, and the discharge current also reached its maximum value at the same position. In addition, both the decrease of the distance between the two coils and the increase of the discharge voltage increased the effective electromagnetic force. The simulation result was compared with the numerical value obtained by the simplified computation of the equivalent circle method under this condition. The results show that the computation method of the effective electromagnetic force proposed is correct, and the result is reliable.

Funds：

辽宁省自然科学基金资助项目（201602564）

作者简介：聂鹏（1972-），男，博士，教授,硕士生导师 E-mail：niehit@163.com 通信作者：王勇（1995-），男，硕士研究生 E-mail：1031715313@qq.com

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