A planetary gearbox is a mechanical device designed to reduce the rotational speed of a drive system. It consists of a central sun pinion (responsible for input torque), three or more planetary gears, a housing, and additional components that work together. Engineered for seamless integration into drive systems of various industrial equipment models, the planetary gearbox is built with high-quality components to deliver optimal performance in its applications.
The planetary gearbox operates based on planetary gears connected to the planet carrier. The reduction process occurs through torque transmission when the planetary gears are driven by the sun pinion shaft and subsequently engage with the ring gear. This interaction guides the rotation to the next stage via the planet carrier. Each planetary gear is mounted on bearings and linked to the planet carrier, enabling smooth motion transmission to the internal casing (ring gear), which serves as structural support for the torque movement. As a result, the motion of the planetary gearbox gears transfers to the shafts, ultimately reaching the final stage as output torque, effectively achieving speed reduction and fulfilling its function.
One of the key reasons for the widespread use of a planetary gearbox is its outstanding performance, which significantly optimizes motor power efficiency. Additionally, the planetary gearbox is compact, lightweight, easy to install, and offers high torque capacity—primarily due to the even load distribution across multiple gears.
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