# How To Stepper Motors Work

How To Stepper Motors Work. Because of how precise stepper motors are. they are usually used to control the pointer of an instrument gauge in a perfect manner. Each full rotation is divided into equal steps.

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Each full rotation is divided into equal steps. The basic working principle of the stepper motor is the following: These motors have a shaft but it does not physically touch anything in order to rotate.

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The magnetic field drives the rotor to rotate by an angle so that the pair of magnetic fields of the rotor and the magnetic field direction of the stator are consistent. Unlike other motors. stepper motors does not continuously rotate!

The stepper motor works like an electrical machine and converts electrical energy into mechanical energy. which it releases via a shaft. The stepper motor consists of a rotor that is generally a permanent magnet and it is surrounded by the windings of the stator.

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Stepper motors are dc motors that move in discrete steps. With a computer controlled stepping you can achieve very precise positioning and/or speed control.

Instead. they rotate in steps (from which they got the name). Meaning. they will move only one step at a time.

The basic working principle of the stepper motor is the following: What are stepper motors and how do they work?

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In the example above you may notice that there are 4 distinct steps for the rotor to make a complete 360 degree rotation. By energizing each phase in sequence. the motor will rotate. one step at a time.

#### What Is A Stepper Motor?

Generally the electromagnets in a stepper motor work in pairs. with each opposing pair of magnets switching on together to make a north pole at the same time. followed by the magnets at right angles. which also work together. Each of these stepper motor pulses moves the rotor through one. The main difference between them and all the other motors. is the way they revolve.

#### Each Of These Steps Is Defined By A Step Angle.

The stepper motor works like an electrical machine and converts electrical energy into mechanical energy. which it releases via a shaft. By energizing each phase in sequence. the motor will rotate. one step at a time. A stepper motor is a simple two phase brushless synchronous motor containing a segmented magnetized rotor and a stator consisting of a prescribed number of electromagnetic coils.

#### Stepper Motors Are Dc Motors That Move In Discrete Steps.

Stepper motors are part of a class of motors known as brushless motors; The basic working principle of the stepper motor is the following: The stepper motor consists of a rotor that is generally a permanent magnet and it is surrounded by the windings of the stator.

#### Each Of These Stepper Motor Pulses Moves The Rotor Through One.

When coil b is energized. the rotor rotates clockwise by 60° to align with the new magnetic field. They have multiple coils that are organized in groups called “phases”. With a computer controlled stepping you can achieve very precise positioning and/or speed control.

#### As We Activate The Windings Step By Step In A Particular Order And Let A Current Flow Through Them They Will Magnetize The Stator And Make Electromagnetic Poles Respectively That Will Cause Propulsion To The Motor.

It allows a very high torque to be achieved as well as a. Unlike a brushless dc motor which rotates continuously when a fixed dc voltage is applied to it. a step motor rotates in discrete step angles. By energizing each phase in sequence. the motor will rotate. one step at a time.