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How to quickly solve common faults of hook shot blasting mac

2021-03-16

Hook shot blasting machines are widely used in machinery manufacturing, engineering machinery, foundry industries, mining machinery, pressure vessels, automobiles, ships and other industries. It is suitable for surface cleaning or strengthening treatment of medium and small castings and forgings in casting, construction, chemical, electrical, machine tool and other industries. It is especially suitable for surface cleaning and shot blasting of castings, forgings and steel structural parts of many varieties and small batches to remove a small amount of sticky sand, sand core and oxide scale on the surface of the workpiece; it is also suitable for surface cleaning and strengthening of heat-treated parts ; Especially suitable for the cleaning of slender and thin-walled parts that are not suitable for collision. So how to solve the problem in the process of use?
 
1. There is abnormal noise from the shot blasting machine.
 
Remedy: 1. The blade is severely worn and unbalanced, replace the blade; 2. The fixed bolt of the shot blaster is loose and tighten the bolt; 3. The impeller is severely worn, replace the impeller body; 4. The bearing is burned out, replace and add grease.
 
2. The cleaning effect is not ideal.
 
Remedy: 1 the ejection direction of the shot blaster is incorrect, adjust the window position of the directional cover of the shot blaster; 2 if the shot material is agglomerated or used for too long, replace the shot material; 3 if the supply of shot is insufficient, add new shots appropriately; 4 shot size Inappropriate, re-select the pellet size.
 
3. The bucket elevator does not operate.
 
Remedy: 1 belt slips, adjust the drive wheel tensioning device to tighten the belt; 2 there are too many shots at the bottom of the elevator, stop and clean the shots in order; 3 clamp, remove the excessively large particles at the bottom of the elevator.
 
4. The shot blasting machine vibrates greatly.
 
Remedy: 1. If the impeller is severely worn, replace the impeller body; 2. The fixed bolt of the shot blaster is loose and tighten the bolt; 3. The blade is severely worn and unbalanced, replace the blade; 4. The bearing is burned out, replace and add grease.
 
5. The shot blasting volume of the shot blasting machine is uneven.
 
Elimination method: 1 adjust the gap of the falling sand adjustment plate of the separator to make the flow curtain uniform; 2 adjust the opening of each pill supply gate
 
6. The machine is not sensitive or does not act according to regulations when it starts and stops.
 
Remedy: 1. Too much dust and dirt in the electrical box, and poor electrical contact points; 2. Too much dust and dirt on the time relay, and poor electrical contact points; 3. The relevant electrical components are damaged, check and replace.
 
7. The dust of the shot blaster contains too much projectiles.
 
Elimination method: The air volume of the separator is too large, and the tuyere baffle should be adjusted appropriately until the dust removal effect can be ensured, but it is better not to suck out the projectiles.


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