Calculating Resistance Force in Gearbox

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Calculating the resistance force in a gearbox involves assessing the friction from bearings and gear teeth. Bearing manufacturers, like SKF, provide valuable data and formulas for determining bearing friction. Gear teeth friction is influenced by lubrication type and can increase with load and speed. Understanding these factors is crucial for determining the force needed to turn the input shaft of a gearbox. Accurate calculations ensure efficient gearbox performance and longevity.
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Resistance force??

How is resistance force from the input thru to the output of a gearbox calculated? I want to know how to figure out how much force is required to turn a shaft at the input side of my gearbox. Any help would be greatly appreciated.
 
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captdiverdan said:
How is resistance force from the input thru to the output of a gearbox calculated? I want to know how to figure out how much force is required to turn a shaft at the input side of my gearbox. Any help would be greatly appreciated.

The bearing makers should be able to tell you the friction of the bearings. SKF is pretty good with formulas and data for this sort of thing.

The gear teeth friction will depend on what kind of lubrication you have and will increase with load, and possibly with speed also.
 


Thanks Unrest. I will use the info today!
 

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