![]() Most motors have very little torque when they are operating at low speed or standstill.In addition to the ease of precisely controlling position and speed, Steppers have other advantages: The stepping angle can be further reduced through use of a gearbox. Standard industrial steppers will rotate 1.8° per step. ![]() ![]() The simplest stepper motors will rotate 90° per step. It is not necessary to use an encoder on a stepper motor unless you're concerned about the motor losing count of the steps over a long period of time or in high torque situations.Įach stepper motor is designed to move by a certain angle with each discrete step. In contrast, a DC motor will blindly spin at the highest speed possible when powered, unless it is controlled with an encoder and a control system program. By controlling the time between the steps, the speed and acceleration of the stepper is regulated. By energizing the coils of the motor in sequence through many of these steps, the direction of rotation, number of rotations, and exact position of the motor shaft can be easily controlled. The rotor of a stepper moves in a series of discrete steps. Stepper motors are broadly available motors commonly used for positioning.
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