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A Flexible and Economic Method to Improve the Ability of Electromagnetic Flanging for Tubes
ID：88 View Protection：ATTENDEE Updated Time：2020-10-28 21:36:12 Hits：798 Oral Presentation

Start Time：2020-11-04 10:45（Asia/Shanghai）

Duration：15min

Session：F High Magnetic Field Engineering and Fusion Technology » F2Session 25 and Session 30

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Abstract
In recent years we have seen the rapid development of electromagnetic flanging of tubes, which uses coils to generate electromagnetic forces to achieve the deformation with high speed but without contact. However, the electromagnetic force decays rapidly with the increase of distance, resulting in strict requirements of geometrical matching between the coils and the tubes. Usually, new coils should be fabricated for tubes with new sizes, which is inconvenient and uneconomical. Therefore, a more flexible and economical method is proposed in this article, which introduces a solenoid field shaper into the existing electromagnetic flanging system. By adjusting the structure and the position of the field shaper, the distribution of electromagnetic forces can be reshaped to form tubes with various sizes, without changing the coil, whose cost is much higher than a field shaper. The principle of this method is introduced in detail. Then an electromagnetic-structure coupled finite element simulation model is established to calculate the forming process. The results show that when forming an A1060-O aluminum alloy tube with an inner diameter of 110mm, the discharge voltage can be tuned down from 6.38kV, without field shaper, to 5.6kV, with field shaper. That means the energy consumption of the system can be saved by 23%. And the manufacturing cost of the field shaper is 77% of the coil cost. What’s more, when forming tubes with different sizes, the new method shows higher effectiveness, greater flexibility, and lower cost than the traditional way.
Keywords
Electromagnetic flanging, Field shaper, Tube, Electromagnetic force, Flexibility.
Speaker
Li Zhe
China Three Gorges University

Li Zhe was born in China. He received the B.S. degrees in College of Science and Technology of China Three Gorges University，Yichang, China, in 2019. 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.

Submission Author
Xiong Qi China Three Gorges University
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Important Date

  • Conference Date

    Nov 02

    2020

    to

    Nov 04

    2020

  • Oct 27 2020

    Draft paper submission deadline

  • Nov 03 2020

    Contribution Submission Deadline

  • Nov 04 2020

    Registration deadline

  • Nov 17 2020

    Final Paper Deadline

Sponsored By
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
Organized By
Huazhong University of Science and Technology
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