How to address the issue of excessive temperature rise in micro DC motors?

Many people ask what to do when the temperature rise in micro DC motors is too high and how to address this issue. Below, Five Star Motor shares some solutions for you:

1. Bearing Damage or Excessive Wear Damage or excessive wear in the bearings of a micro DC motor can cause the stator and rotor to collide or rub against each other. In this case, check if the bearings are loose or if there is a mismatch between the stator and rotor.

2. Overheating Under Rated Load Micro DC motors may experience heat generation and excessive temperature rise under rated load conditions. In such cases, check and adjust the voltage accordingly.

3. Stator Winding Short Circuits Inter-turn or phase-to-phase short circuits or grounding in the stator windings can increase current, leading to higher losses and overheating. If the fault is minor, additional insulation can be applied. In severe cases, consider replacing the winding group.

4. Rotor Issues Broken bars in a cage rotor or loose connections in a wound rotor's coil can cause excessive current in the maintenance circuit, leading to overheating. For copper bar rotors, replace or repair the bars by welding. For cast aluminum rotors, the rotor should be replaced.

This concludes the information on "how to address excessive temperature rise in micro DC motors." The micro brushless DC motor manufacturer hopes the above content is helpful to you.