![]() ![]() In this type of motor the rotor consists of a toothed iron core with one or a few permanent magnets in the rotor core. Today, the most widely used type in industry is the hybrid stepper motor type. For a standard stepper motor with 200 full steps, the best possible positioning accuracy is approx. They are considered to represent mature technology and continue to be developed further in order to reduce costs and physical size, increase torque and improve reliability. Even with the increasingly widespread use of synchronous servomotors, stepper motors are by no means "getting long in the tooth". In many applications, the step counting facility saves expensive feedback systems. Just as a force is a push or a pull, a torque can be thought of as a twist. They are robust, easy to control, and provide high torque Torque is the tendency of a force to rotate an object about an axis. Stepper motors have been around for many years. In a minimum control configuration, the stepper motor is moved from pole to pole, or from step to step. ![]() In contrast to synchronous motors, stepper motors have a large number of pole pairs. The frequency of the stator rotary field is always in a fixed ratio relative to the rotor speed. The rotor is designed as a permanent magnet, while the stator consists of a coil package. Stepper motors are electric motors and are comparable with synchronous motors. ![]()
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