| 摘要 |
PURPOSE: A rotator shaft of a motor is provided to improve combination strength between injected gears. CONSTITUTION: In a rotator shaft of a motor, a rotor shaft(50) has a long shaped hole(55) at the center. The extended part(65) of a gear(60) is combined in the slot hole of the rotor shaft. Gear is formed through insert injection of the rotor shaft A metal core is inserted into the slot hole. A plastic gear is molded through injection insert.
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