There e are many kinds of nail polishers on the market, but the usage is the same. When using the polisher, select the head you need, put it on the main machine,

A brush motor keeps turning by touching the rotor with a brush. It is open - loop. The BRUShless DC motor detects the rotor position by the Hall element,

Brushless DC motor USES semiconductor switching devices to realize electronic commutator, that is, electronic switching devices instead of traditional contact

Manicure suit box is a professional manicure and nail care product with multiple functions. As long as you own it, you can have beautiful and charming nails

When the motor is working, the coil and commutator rotate, while the magnetic steel and carbon brush do not rotate. The alternating change of the coil