How do you calculate the output torque of a gear reducer?
To find the output torque and speed of a gear reducer, use
gear ratio formulas:
Ouput Torque = Input Torque x Ratio of Gear Reduction
Torque is measured in Inch Pounds
Output Speed = Input Speed / Ratio of Gear Reduction
Example: A gear reducer with 1000 in/lbs of input torque,
speed of 2000 RPM, and a reduction ratio of 3.5:1 is:
Output Torque = 1000 x 3.5
Output RPM = 2000 / 3.5
Calculated out this gives an output torque of 3,500 in/lbs and an
output speed of 571.4286 RPM. (rounded to the nearest 10,000th)
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