Abstract
Electromagnets are widely used as driving devices in industry. In this article, we describe various designs and methods of analysis for a built-in coil electromagnetic holding device based on three main design characteristics: volume, applied voltage, and suction force. Our aim is to achieve greater suction force or Gaussian value without changing the external dimensions of the frame, by varying the magnetic pole surface area, the thickness of the iron frame, and/or the electromagnetic material. We verify the design with the simulation software ANSYS Maxwell, which uses a commercial finite element method, to find the best design parameters to maximize the suction force or Gaussian value. The experimental results confirm the results of our simulation studies and demonstrate that simulations can achieve substantial reductions in cost and time over traditional trial-and-error methods. Furthermore, the experimental results indicate that electromagnetic products with bigger pole surface areas provide more suction force than electromagnetic products with smaller pole surface areas only when the applied voltage is less than 9 V. Above 9 V, smaller pole surface areas definitely result in bigger suction force.
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Chen, CY., Wu, RC., Tsai, BJ. et al. Design and analysis of an electrical magnetic holding device. Microsyst Technol 27, 1019–1030 (2021). https://doi.org/10.1007/s00542-018-4007-y
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DOI: https://doi.org/10.1007/s00542-018-4007-y