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Planetary gearbox

A planetary gearbox is a gearbox with the input shaft and the output shaft aligned. A planetary gearbox is used to transfer the largest torque in the most compact form (known as torque density).

The bicycle’s acceleration hub is a great example of a planet-wheel mechanism, For a three-speed hub, a one-stage planetary gear system is used, for a five-speed hub a 2-stage. Each planet gear system has a reduction state, a direct coupling and an acceleration mode.

It’s Applications

Planetary gearbox has its application in Plastic Machinery, Goods & Personnel lifts, Machine tools, Material handling equipments, Derrick & Dockyard Cranes, Slewing Drives, Truck mounted mobile cranes etc. Dredging equipments, Automotive, Road Making Machinery Sugar Crystallizers, Wind turbines, Medical equipment, Robotics machinery, Aviation equipment, Packaging equipment and mill drives

Planetary gearboxes (epicyclic gears) are the favoured choice for applications requiring a compact gear solution that is capable of maintaining optimal high torque outputs.