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Stepper Motor Calculator

A stepper motor calculator is a simple online tool that allows one to figure out the maximum power, minimum time per step, and the maximum speed of a stepper motor. After I know the current, inductance, voltage, and steps per revolution, then I can automatically calculate the motor’s speed, time, and power.

Inputs

Amps (A)
milliHenry (mH)
Volts (V)
Steps
 
 

Outputs

revolutions/sec
ms
Watts

Stepper motors move in discrete steps and run on direct current. All electric motors run on magnetism. With a stepper motor, the magnets that power the motor are charged one at a time, in steps known as stages.

This allows for very fine control of the amount of motion the motor should make. With a computer-controlled stepper motor, one can ensure that the engine only turns an exact number of times. A typical stepper motor will move 15 degrees for every pulse of electricity the motor receives.

How can one calculate the maximum speed of a stepper motor?

Calculating the maximum speed of a stepper motor from other information requires some not very complicated math. The max speed of such a motor is V / 2LImaxspr. V is voltage, which increases the maximum speed. LImax is maximum current, L = the induction of the stepper motor, and SPR = the number of steps per revolution.

Where are stepper motors used?

Different types of stepper motors are used in different industries. Stepper motors have always had a role to play in electronic technology. Disk drives since the days of floppy disks have used stepper motors.

Today, the zoom function of a digital camera requires a stepper motor. Life-saving medical equipment can require a stepper motor to work properly. For example, a pacemaker requires a stepper motor.

Dental tools also include stepper motors. The security industry also uses stepper motors.

Damon Coleman

Entrepreneur, robotics fan. I have a Diploma in Technical Education, interested in robotics. My favorite platforms are Arduino and Raspberry Pi. Welcome to the world of robotics!

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