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The Knowledge Of Blast Wheel

QINGDAO KNNJOO MACHINE INC. | Updated: Apr 15, 2016

The airless blast wheel is the "heart" of the shot blast system.


There can be one or several blast wheels (depending on machine type) attached to the blast cabinet. These centrifugal wheels have an internal impeller and blade design whi ch "slings" the shot at the parts as they tumble or revolve in the cabinet. The blast wheel impeller and blades are revolving at 3,600 RPMs and propel the steel shot from 250 to 300 ft. per second. The abrasive is not just thrown in a haphazard manner, but is controlled and directed in a precise method.


The Blast Wheel consists of the following main components:

Motor (direct drive) 
Bare Wheel 
Hub Seal 
Blade Blocks 
Feed Spout 
Control Cage Adapter 
Control Cage 
Impeller 
Blades 
Centering Plate


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