How to calculate force on a wheel in a three gear system?

AI Thread Summary
To calculate the force on a wheel in a three-gear system, first determine the overall gear reduction ratio. Multiply the input torque by this gear ratio to find the output torque. Then, divide the output torque by the radius of the wheel to obtain the force at the wheel. The number of gears is significant as it represents the stages in the reduction process. Understanding these calculations is essential for accurate force determination in mechanical systems.
Soroushqwn
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Hi guy
I try to understand how should I calculate the force on a wheel with known radius which is driven by a motor with a known torque and rational speed, in between three gears with known radiuses. Does the number of gears matter for the torque and so for the force on the wheel? (100% efficiency)
thx
 
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you have to calculate the overall gear reduction ratio.

then multiply input torque by gear ratio to get output torque. then divide away the radius of the wheel and you have the force at the wheel.
 
the number of gears matter, they are the number of "stages" in a reduction.
 

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