Shot Blasting Machine failure reason analysis and troubleshoot

No. fault Inspection and troubleshooting
1 Blast wheel vibrate abnormally 1. Blades wear seriously result in the unbalanced working, please change blade
2. Impeller wear seriously, please replace it
3. Bearing burnt, change it and add lubrication grease
4. The fixed bolt loosen, fasten bolt
2 Abnormal noise of blast wheel 1. Abrasive do not meet the requirement result in block phenomenon, change into qualified abrasive.
2. Big lump in the abrasive, inspection and clean up
3. The guard plate of blast wheel loosen, friction with the impeller or blades, please adjust the guard plate
4. Combined plate bolt loosen, fasten it
3 The abrasive flow rate is not uniform 1. Adjust the abrasive feeding gate
2. Adjust the abrasive dropped adjusting plates to get the uniform curtain
4 overmuch content of  abrasive in the dust Dust collect Separator air volume is too large, adjust the air port damper appropriately until it can reach the dust collecting effect and the abrasive can not be sucked out.
5 Undesirability blast cleaning effect 1. Insufficient abrasive supply, supplement new abrasive appropriately.
2. The blasting direct is incorrect, adjust the window position of control cage
3. The abrasive dimension is not appropriate, change the abrasive into appropriate specification
4. Abrasive combine into chunk or be used for a long time, replace the abrasive.
6 Bucket elevator out of operation 1. Please remove the big lump under the bottom of the elevator if clamped
2. Belt slip, adjust the driving wheel tension device and tension the belt;
3. Abrasive under the bottom of bucket elevator is overmuch, clear the abrasive after stop the machine in sequence.
7 Stop action of the machine is insensitive or not according to the stipulations 1.The relevant electric elements damaged, inspect and replace;
2.Overmuch dust or dirt in the electric control cabinet result in the poor contact of the electric contact point
3.Overmuch dust or dirt in the time relay result in poor contact of the electric contact point.
8 Poor separation effect of separator 1.Flow curtain is not uniform, adjust the abrasive flow rate control panel to reach to an full curtain.
2.The air speed is not appropriate in the separation area, adjust the butterfly valve of the separator air port to an speed of 4m/s to 5m/s, and adjust the positon of primary and secondary adjusting panel.
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