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A triple-coil electromagnetic two-step forming method for tube fittings
编号：222 访问权限：仅限参会人 更新：2020-10-28 20:59:27 浏览：277次 口头报告

报告开始：2020年11月04日 10:30（Asia/Shanghai）

报告时间：15min

所在会场：[F] High Magnetic Field Engineering and Fusion Technology [F2] Session 25 and Session 30

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摘要
Electromagnetic forming (EMF) is widely used in the processing of tube fittings in the fields of aerospace, automobile, and other industrial manufacturing because of its high energy rate, which can significantly improve the forming limit of light-weight metal materials. One typical application of EMF is the tube attraction by a double-coil electromagnetic single-step (DCSS) forming method. However, the electromagnetic force in this method is uneven distributed on the tube, which will affect the uniformity of the final shape and undermine the performance of the workpiece. To solve this problem, a triple-coil two-step forming (TCTS) method is proposed in this paper. An electromagnetic-structure coupling finite element model is established to analyze the forming process in both DCSS and TCTS methods, the tube forming uniformities in both methods are compared. To quantify the uniformity of tube, the maximum deformation length Dmax, is introduced and the area where the deformation is greater than 99% of the maximum deformation is defined as the maximum deformation length. The simulations results show that when using the DCSS method, DmaxD=3.8mm, and when using TCTS method, DmaxT=11.6mm. The TCTS method increases the maximum deformation length by 205%. All these results indicate the potential and the prospect of TCTS method in improving the forming uniformity of tube-fittings.
 
关键词
Aluminium alloy;Electromagnetic forming;TCTS method;Tube bulging;Tube forming uniformity
报告人
Zhao Xiang
China Three Gorges University

Xiang Zhao was born in China. He received the B.S. degrees in Hubei University of Technology, Wuhan, China, in 2020. He is a graduate student in the College of Electrical Engineering & New Energy at China Three Gorges University, Yichang. Majoring in Electrical engineering. His research interests include the technology of pulsed high magnetic field, high voltage technology, electromagnetic forming.
 

稿件作者
China Three Gorges University
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重要日期

  • 会议日期

    11月02日

    2020

    至

    11月04日

    2020

  • 10月27日 2020

    初稿截稿日期

  • 11月03日 2020

    报告提交截止日期

  • 11月04日 2020

    注册截止日期

  • 11月17日 2020

    终稿截稿日期

主办单位
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
承办单位
Huazhong University of Science and Technology
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