The rotor is supplied with current commutation and power supply, so that the rotor is energized and operated in the form of magnetic field cutting. The early carbon brushes were made of brass, but the wear force was too strong, and the rotor commutator would wear out in a short time. Now it is replaced by graphite. Graphite has good electrical conductivity and wear resistance, which makes the machine better. The operation.
dog chew toys,dog puzzle toys,dog toys for large dogs,indestructible dog toys,dog toys for small dogs
Ningbo XISXI E-commerce Co., Ltd , https://www.xisxipetsupplies.com