| 简介 |
[Issue]Provision of manufacturing methods for rotors, motors and rotors with increased drive torque. The rotor of the embodiment is a rotor provided in a motor and rotating around a rotation axis opposite to the stator. The rotor includes a magnet portion. The magnet portion is annular centered on the axis of rotation. The magnet portion has a main magnet and an auxiliary magnet. The main magnet has a radial direction in the magnetization direction. The plurality of main magnets are arranged at equal intervals along the circumferential direction. The auxiliary magnet is set to the magnetization direction in the circumferential direction. The auxiliary magnets are arranged between the main magnets that line up in a circumferential direction. At least one of the main magnet and the auxiliary magnet is a rare earth magnet. [Selection drawing]Fig. 2 |
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