Selecting the Proper Size Stepper Motor
PrintOverview
When a stepper motor is selected, eight different things must be considered:
- Operating speed in steps/second
- Torque in oz-in.
- Load inertia in Ib-in.2
- Required step angle
- Time to accelerate in ms
- Time to decelerate in ms
- Type of drive to be used
- Size and weight considerations
Some of this information will be provided from application specifications, such as the size and weight considerations, step angle, and the operating speed. Other information must be calculated. Several formulas are provided to help you with these calculations.
Calculating Torque
The formula for calculating the torque is
Calculating Load
The formula for equivalent inertia to overcome friction in the system and enough torque to start or stop all inertia loads is
Frictional and Rotational Acceleration Considerations
The formula for calculating the torque required to rotationally accelerate an inertia load is
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nice information
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very use full thanks 2 authour
- nirmal, n++. speak4nirmal@gmail.com - Feb 12, 2008
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