Micro DC motors can be equipped with planetary gearboxes and spur gear reducers. Most reducers have plastic or metal input gears, which can reduce noise during high-speed operation. Metal gears are used in high torque scenarios.

There are over 2000 home appliance manufacturers and nearly 10000 supporting enterprises in Cixi, Zhejiang, with products covering over 20 series and thousands of varieties. In terms of production, Cixi produces and manufactures about 60% of the world's small household appliances, with a market size of 100 billion yuan. The production of multiple sub varieties such as electric irons, hair dryers, and electric heaters ranks first in the world.

Everyone must have encountered many cases of motor burnout, some due to mechanical problems, some due to thermal relay problems, and some due to phase loss. So how to avoid brushless DC motors from being burned?