| 摘要 |
A method of processing a rotor of a motor enabling to keep smooth rotation. After the ring-shaped magnet 34 is attached at inner circumference face 31B of an opening portion 31A of a cap-shaped rotor main body through a yoke 33, a rotor shaft portion 31C formed at outside of the main body of the rotor 31 and an attaching hole 31D of a shaft 32 fixed at the main body of the rotor are worked standardizing inner circumference face of the magnet 34. This process can match accurately center line of the magnet 34 and rotation axis of the main body of the rotor so as to keep smooth rotation.
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