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Some faults and solutions of crawler shot blasting machine

08 / Mar . 2022

Some faults and solutions of the crawler shot blasting machine:


1. Uneven shot blasting amount of shot blasting machine

(1) adjust each shot gate opening;


(2) Adjust the gap between the falling sand conditioning plates of the separator to make the flow curtain even.


2. The dust removal rate of the dust collector is low.

(1) The wiring of the dust collector extension is wrong, the fan is reversed, and the wiring is re-wired.


(2) The bag in the dust collector is not tightly bundled or damaged, or the cloth bag is short.


(3) The joints of the dust removal pipes are not well sealed.


(4) The workpiece to be liquidated does not fall out of sand as required, the residual molding sand is too much, and the dust content at the dust removal inlet is too high.


(5) The back blowing mechanism of the dust collector is not activated, or the number of activations is small, and the dust blocks the cloth bag, and the dust attached to the cloth bag is removed in time.


3. The dust of the dust collector contains too many projectiles. The air volume of the separator is too large, and the tuyere baffle is adjusted properly until the dust removal effect can be determined, but it is better not to suck out the projectiles.


4. The liquidation effect is not ideal.

(1) The supply of projectiles is lacking, and new projectiles are appropriately supplemented.


(2) The projectile direction of the shot blasting machine is incorrect, adjust the position of the directional sleeve window of the shot blasting machine.


(3) The particle size of the pellets is not suitable, and the particle size of the pellets is reselected.


(4) If the pellets agglomerate or have been used for too long, replace the pellets.


5. The bucket elevator does not run.

(1) Clamp and remove the oversized particles at the bottom of the elevator.


(2) If the belt slips, adjust the tensioning installation of the drive pulley and tighten the belt.


(3) If there are too many pellets at the bottom of the elevator, stop the machine in sequence and remove the pellets.


6. The door switch of the liquidation room, the door shaft is not smooth, add lubricating oil.