Single phase AC series motor or AC and DC dual-purpose series motor for power tools.
The use of AC motor brush: asynchronous motor, AC motor commutator and electric tools motor etc..
AC motor brush: brush effect can be used for DC motor or AC motor commutator or slip ring, as sliding contact body import and export current, its thermal conductivity, and good lubrication performance, and has certain mechanical strength and direction of the spark of instinct. Almost all motors use carbon brush, which is an important component of the motor
