Centrifugal fan is composed of housing, spindle, impeller, bearing transmission mechanism and motor.
Shell: made of steel plate, solid and reliable, can be divided into integral and half-open type, half-open type for easy maintenance.
Impeller: consists of blade, curved front disc and flat plate rear disc.
Rotor: should do static balance and dynamic balance, ensure smooth rotation, good performance.
Transmission part: It consists of spindle, bearing box, rolling bearing and belt pulley (or coupling).