scholarly journals Electromagnetic Force Distribution and Forming Performance in Electromagnetic Forming With Discretely Driven Rings

IEEE Access ◽  
2020 ◽  
Vol 8 ◽  
pp. 16166-16173 ◽  
Author(s):  
Li Qiu ◽  
Ningxuan Yi ◽  
A. Abu-Siada ◽  
Jinpeng Tian ◽  
Yuwei Fan ◽  
...  
Keyword(s):  
Electromagnetic Force ◽  
Electromagnetic Forming ◽  
Force Distribution

Analysis of electromagnetic force and experiments in electromagnetic forming with local loading

2018 ◽  
Vol 57 (1) ◽  
pp. 29-37 ◽  
Author(s):  
Li Qiu ◽  
Yijie Yu ◽  
Yuqi Yang ◽  
Xiaopeng Nie ◽  
Yao Xiao ◽  
...  
Keyword(s):  
Electromagnetic Force ◽  
Electromagnetic Forming ◽  
Local Loading

scholarly journals Electromagnetic Sheet Forming by Uniform Pressure Using Flat Spiral Coil

Materials ◽  
2019 ◽  
Vol 12 (12) ◽  
pp. 1963 ◽  
Author(s):  
Xiaohui Cui ◽  
Dongyang Qiu ◽  
Lina Jiang ◽  
Hailiang Yu ◽  
Zhihao Du ◽  
...  
Keyword(s):  
Service Life ◽  
Magnetic Force ◽  
Electromagnetic Forming ◽  
Force Distribution ◽  
Manufacturing Cost ◽  
Main Process ◽  
Uniform Pressure ◽  
Spiral Coil ◽  
Uniform Pressure Coil ◽  
Simulation Results

The coil is the most important component in electromagnetic forming. Two important questions in electromagnetic forming are how to obtain the desired magnetic force distribution on the sheet and increase the service life of the coil. A uniform pressure coil is widely used in sheet embossing, bulging, and welding. However, the coil is easy to break, and the manufacturing process is complex. In this paper, a new uniform-pressure coil with a planar structure was designed. A three-dimensional (3D) finite element model was established to analyze the effect of the main process parameters on magnetic force distribution. By comparing the experimental results, it was found that the simulation results have a higher analysis precision. Based on the simulation results, the resistivity of the die, spacing between the left and right parts of the coil, relative position between coil and sheet, and sheet width significantly affect the distribution of magnetic force. Compared with the structure and magnetic force on a traditional uniform pressure coil, the planar uniform pressure coil can produce a uniform magnetic force distribution on the sheet, reduce the manufacturing difficulty, reduce manufacturing cost, and enhance the service life for the coil.

Analysis of electromagnetic force distribution on end winding for motor reliance

2005 ◽  
Vol 41 (10) ◽  
pp. 4072-4074 ◽  
Author(s):  
Ki-Chan Kim ◽  
Hyung-Woo Lee ◽  
Yon-Do Chun ◽  
Ju Lee
Keyword(s):  
Electromagnetic Force ◽  
Force Distribution

scholarly journals Electromagnetic Force Distribution and Deformation Homogeneity of Electromagnetic Tube Expansion With a New Concave Coil Structure

IEEE Access ◽  
2019 ◽  
Vol 7 ◽  
pp. 117107-117114 ◽  
Author(s):  
Li Qiu ◽  
Yantao Li ◽  
Yijie Yu ◽  
A. Abu-Siada ◽  
Qi Xiong ◽  
...  
Keyword(s):  
Electromagnetic Force ◽  
Force Distribution ◽  
Coil Structure ◽  
Tube Expansion ◽  
Deformation Homogeneity

Calculation of electromagnetic force in electromagnetic forming process of metal sheet

2010 ◽  
Vol 107 (12) ◽  
pp. 124907 ◽  
Author(s):  
Da Xu ◽  
Xuesong Liu ◽  
Kun Fang ◽  
Hongyuan Fang
Keyword(s):  
Electromagnetic Force ◽  
Electromagnetic Forming ◽  
Metal Sheet ◽  
Forming Process

scholarly journals Study on the Characteristics of Electromagnetic Noise of Axial Flux Permanent Magnet Synchronous Motor

2014 ◽  
Vol 2014 ◽  
pp. 1-8 ◽  
Author(s):  
Wei Wang ◽  
Hang Wang ◽  
Hamid Reza Karimi
Keyword(s):  
Permanent Magnet ◽  
Natural Frequency ◽  
Electromagnetic Force ◽  
Permanent Magnet Synchronous Motor ◽  
Synchronous Motor ◽  
Force Distribution ◽  
Noise Sources ◽  
Axial Flux ◽  
Electromagnetic Noise ◽  
Theoretical Support

The normal electromagnetic force distribution in stator system of axial flux permanent magnet synchronous motor (PMSM) has been thoroughly analyzed in this paper. The main composition of force wave causing vibration and noise has been proposed, and at the same time a calculation method of stator natural frequency of axial flux PMSM has been raised. Through this method electromagnetic force wave, natural frequency, vibration response, and electromagnetic noise of a 15 kW axial flux PMSM with 22 poles and 24 slots have been calculated; calculations and measured values are consistent by comparison. The noise sources of axial flux PMSM have been found in this paper, which provides the theoretical support for the suppression of electromagnetic noise of axial flux PMSM.

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