Will high temperature of stepper motor cause step loss

High temperature environment can affect the efficiency and accuracy of stepper motors, which may lead to step loss.

1、 Working principle of stepper motor

A stepper motor is a type of motor that converts electrical pulse signals into rotational angle outputs. Each time a pulse signal is received, the stepper motor rotates a fixed angle, usually 1.8 or 0.9 degrees. Therefore, stepper motors can accurately control the rotation angle and speed, and are often used in mechanical equipment that requires precise control.

2、 The impact of high temperature environment on stepper motors

High temperature environments can have a negative impact on the operation of stepper motors. Firstly, high temperatures can cause the temperature of the coils inside the motor to rise, thereby increasing resistance and affecting motor performance. Secondly, the aerodynamic performance in high-temperature environments is poor, which can reduce the cooling efficiency of the motor. Finally, high temperature may also cause expansion and deformation of motor materials, intensify friction, and affect the accuracy and efficiency of the motor.

3、 Step loss problem of stepper motor in high temperature environment

In high temperature environments, the problem of step loss in stepper motors is quite serious. When the temperature of the motor increases, the resistance of the coil will increase, which will cause a decrease in current and affect the rotation of the motor. In addition, high temperature environments can weaken the cooling efficiency of the motor, further exacerbating the problem of step loss. Therefore, to ensure the stability and accuracy of the stepper motor, special protection and control are required in high-temperature environments.

4、 How to solve the problem of step loss in stepper motors under high temperature environment

To solve the problem of step loss of stepper motors in high temperature environments, we can start from the following aspects:

1. Use high temperature resistant materials: Choosing high temperature resistant materials can reduce the high temperature impact on the motor.

2. Regular motor inspection: Regularly check the temperature and condition of the motor to promptly identify and solve problems.

3. Strengthen cooling measures: Increase cooling measures for the motor, such as adding heat sinks, installing fans, and reducing motor workload.

4. Use temperature sensors: Install temperature sensors to monitor the motor temperature in a timely manner, and issue alarms and handle issues promptly when the temperature is too high.

High temperature environment can have a certain degree of impact on the efficiency and accuracy of stepper motors, and even cause step loss problems. To ensure the stability and accuracy of the stepper motor, it is best to use high temperature resistant stepper motor

Ctrl-Motor is the overseas business office established in Shenzhen by DDON （Chengdu, headquartered in Sichuan, China. The company has a team of nearly 100 senior engineers, specializing in the production of special motors ranging from deep low temperature of - 196°C to ultra - high temperature of +300°C and extreme environments.