1. As a digital actuator, the stepper motor is widely used in motion control systems. Many users and friends often find that the motor becomes hot during operation and are unsure whether this is normal. In fact, some degree of heat is common for stepper motors. However, what kind of heat is considered normal, and how can you reduce the motor's temperature? Here are some simple explanations.
2. The acceptable range of heating for a stepper motor mainly depends on its internal insulation level. If the internal temperature exceeds 130°C, the insulation properties may be damaged. Therefore, as long as the internal temperature stays below 130°C, the motor will not be harmed, and the surface temperature should remain under 90°C. A normal surface temperature for a stepper motor is around 70–80°C. To check the temperature, you can use an infrared thermometer or make a rough estimation: if you can touch it for more than 1–2 seconds without discomfort, it’s likely below 60°C; if it feels warm but tolerable, it might be 70–80°C; if water droplets evaporate quickly upon contact, the temperature is over 90°C.
3. It's important to note that excessive heat could indicate issues such as incorrect current settings, overloading, or poor ventilation. Always ensure the motor is operating within its rated specifications and that the environment allows for proper cooling. If the motor consistently runs too hot, it may be time to review the system setup or consult with a professional to avoid long-term damage.
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