Electric Motor Driving Speed Reduction Torque, Force Equation and Calculator

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Use this equation and calculator to determine the torque and force to drive gears, belt, or chain mechanical systems.


Chain mechanical system torque formula


Chain mechanical system mass moment of inertia

Electric Motor Driving Speed Reduction Calculator


T = Required Torque, lb-ft
= Reflected inertia, lb-ft2
= Load inertia, lb-ft2
= Reduction ratio
= Change of speed, rpm
t = Time to accelerate the load, seconds
= Change speed of shaft, rpm