The choice between helical and spur gears in planetary gearboxes may seem straightforward. Go with helical gears if you want the gearbox to run as smoothly and quietly as possible. Choose spur gears when you need to maximize the gearbox’s torque density or working life under high loads.
These rules of thumb capture most of what you need to know when specifying traditional fixed axis gearboxes. Just size the gearbox properly, and the choice between helical and spur gears will often be obvious for a given set of application requirements. With planetary gearboxes, however, the choice between helical and spur requires some additional thought.
In our latest white paper, we’ll help you understand the differences between helical and spur planetary gearboxes so you can decide which is right for your application.
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