1-7D Operating Instructions
General
3.5 Blast wheel
The heart of the blast cleaning machine is the blast wheel which
throws the abrasive onto the surface to be cleaned by using
centrifugal force. The blast wheel is placed in a protective housing
lined with replaceable wear plates. The blast wheel is driven by an
electric motor.
Fig. 3.3
3
2
1
5
4
6
7
Around the centre of the blast wheel there is the impeller (4 notches)
feeding dosed quantities of abrasive onto the blades of the turning
blast wheel. On top of this is the control cage which, once it is
carefully set, regulates the flow of abrasive.
1 Blast wheel
2 Wheel hub
3 Top liner
4 Left liner
5 Right liner
6 Control cage
7 Wheel nut
5
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