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Use this equation and calculator to
determine the torque and force to drive gears, belt, or
chain mechanical systems.
Equation:
and
 
Electric Motor Driving Speed Reduction Calculator
Where:
| 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 |
|
