A centrifugal fan consists of a casing, a main shaft, an impeller, a rolling bearing transmission mechanism, an electric motor and so on.
Casing: It is made of thick steel plates, which is sturdy and reliable. It can be divided into integral type and semi-closed type. The semi-closed type is convenient for maintenance.
Impeller: It is composed of blades, a curved front plate and a flat front plate.
Rotor: It should have undergone static balance and dynamic balance tests to ensure smooth rotation and good performance.
Transmission part: It is composed of a main shaft, a bearing housing, roller bearings and a pulley (or a coupling).
