回転磁場による磁性材料円板の駆動方法の開発(<特集>D&D2009)

概要

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In this research, we propose the driving method of the magnetic material disc by the rotating magnetic field. When the rotating magnetic field is given to the magnetic material disk, the magnetic material disk is magnetized by a phase different from the rotating magnetic field. Therefore, magnetic attractive force acts between the magnetic material disk and the rotating magnetic field. At this time, because force in the vertical direction and radial direction cancelled respectively, only force in the circumferential direction comes to act. The rotating torque is generated by this force in the circumferential direction. Therefore, the magnetic material disc rotates. The purpose of a present article is to clarify the proposed driving principle by doing the magnetic flux density measurement, torque measurement and the torque analysis. Then, this driving principle was clarified to some degree.
2010-05-25