| 摘要 |
PURPOSE: A linear actuator and a manufacturing method thereof are provided to easily put together a satellite roller by forming a spacer shelter space on an output shaft. CONSTITUTION: A body(111) is connected to a motor. A threaded part(112) is connected to one side of the body. Gear parts gears(113,113') are respectively formed on both sides of the threaded part. A first satellite roller fixing member(140) and a second satellite roller fixing member are respectively installed on both ends of a plurality of satellite rollers(120). The plurality of satellite rollers is spirally combined with the outer circumference of an output shaft(110).
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