How slow can a stepper motor go?

When talking about stepping motors, there is a topic that is often mentioned, that is, the running speed of stepping motors, because it will have a significant impact on the performance and reliability of motors. Stepper motors are known for their high torque transfer at low speeds, and in some cases we need stepper motors to operate at low speed. Do you know how slow the stepping motor can go?

In fact, there is no very accurate answer to this question. There are many different types and models of stepper motors, and the minimum speed of the stepper motor varies according to the type of stepper motor and other factors.

Typically, the minimum speed of a stepping motor is determined by its size and design and the operating conditions used. Larger stepper motors are generally able to run slower than smaller stepper motors, but the actual minimum speed of a particular stepper moror will depend on the specific conditions under which it is used. For example, small stepper motors may operate as low as 1 rpm at low speeds and light loads, but the same motor may not operate below 10 rpm if operated at high speeds or heavy loads.

Factors Affecting the Minimum Speed of a Stepper Motor

Motor size and design: Larger stepper motors usually run slower than smaller stepper motors. This is because larger stepper motors have larger masses and larger rotors, which gives them more mechanical advantages and allows them to produce higher levels of torque.

Operation mode of the motor: the operation mode of the motor also affects the minimum speed of the motor. For example, stepper motors operating in micro-step mode can divide each step into smaller increments, which makes them slower than stepper motors operating in step-by-step mode.

Conclusion

The minimum speed of stepper motor varies by type and model. If you have low-speed operation requirements, you can try to reduce the rotation speed of the stepper motor from motor size and motor operation mode.