| 摘要 |
A magnet-positioning device for a rotor in accordance with the present invention mainly comprises a rotor hub, a metal casing, and an annular magnet. The rotor hub includes an annular wall and an engaging portion formed thereon. The engaging portion is adapted to engage with the metal casing, which is integrally adhered with the annular magnet. The metal casing includes a first end edge and a second end edge, and an outer diameter formed by the second end edge is slightly greater than an inner diameter formed by the engaging portion.
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