How much do you know about the small knowledge of axial fan impeller? china Axial flow impeller on sales Xiaobian will take you to a brief understanding.
An axial flow fan impeller, which includes a hub and blades, a plurality of installation through holes are evenly arranged in the circumferential direction of the above-mentioned hub, the blades include a blade part and a fastening screw, and the blades are installed and fixed in the installation through holes with nuts. In that: the installation through hole is a circular stepped counterbore, and the root of the blade portion is a stepped shaft matched with the stepped counterbore, the stepped shaft is installed and fixed in the installation through hole, and the stepped shaft The effective length of sinking into the installation through hole is less than the depth of the installation through hole. It can ensure the combination of the two and form a more reliable structure by tightening the nut. Indicates the installation angle of the blades to ensure the consistency of multiple blades on the same hub.

The above is the narration of china Axial flow impeller on sales: A brief introduction to the little knowledge about the impeller of the axial flow fan.