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Sand blasting gun is a common foundry machinery and equipment


In our daily life, no matter what type of machinery and equipment, there will always be some failures, as well as the sandblasting gun. Then the sandblasting gun has failed, what should we do?

Of course, the sand blasting gun is a common foundry machinery and equipment. With the widespread application of the sand blasting gun, some operators who are troubled by the failure of the sand blasting gun will not be able to continue to use it if the fault is not removed in time. Let's take a look at the common sandblasting gun failures.

Failure phenomenon of sand blasting gun :

No compressed air, no abrasive

Possible Causes:

1. The compressed air is not turned on 2. The pressure setting valve pressure is too low 3. The foot switch is not adjusted or damaged 4. The sandblasting or abrasive valve is blocked 5. The safety gas path is cut off 6. The main pressure regulating valve of the sandblasting gun Broken 7. Control pressure regulator is broken

Methods to troubleshoot sandblasting guns :

1. Open the air source 2. Adjust the pressure to above 0.5MPa 3. Adjust or replace the foot switch 4. Clean the nozzle or abrasive valve or reinstall 5. Check the valve on the safety air circuit 6. Check the main pressure regulator of the sandblasting gun 7. Check the blast gun control valve

(2) Sandblasting gun failure phenomenon: good sand enters the dust bag

Possible Causes:

1. The gap of the new dust bag is larger 2. The sand is too fine

Method of exclusion:

1. Generally can be removed after 8 hours of use 2. Use coarser sand

(3) Sand blasting machine failure phenomenon: sand leakage

Possible cause: The vacuum bag has holes or is not clamped.Remedy: Replace the vacuum bag, and re-clamp the vacuum bag.

(4) Sandblasting gun failure phenomenon: unclear sight when sandblasting

Possible Causes:

1. The dust bag is blocked 2. The dust bag is aging and blocked 3. The sand contains too much dust 4. The compressed air pressure is too high

Method of exclusion:

1. Vibrating sandblasting gun dust bag 2. Replacing sandblasting gun dust bag 3. Changing sand material 4. Lowering the pressure according to the recommended pressure of sandblasting gun





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