What are the factors that cause the uneven sand density of the automatic sandblasting machine
Often users are usingAutomatic sandblasting machineThe uneven density of sand will appear when the equipment is installed, which will not only affect the sandblasting effect of the sandblasting machine, but also have a greater impact on the subsequent coating process of the workpiece. Because the uneven sand density will lead to poor surface treatment of the workpiece, and if the surface treatment is not in place, it will inevitably affect the coating quality of the workpiece. Therefore, in order to solve this problem, we must first find out the reason for the uneven sand density of the automatic sandblasting machine.
There are three factors that cause uneven sand density of automatic sandblasting machine:
One is the unstable air pressure of the air compressor. When multiple spray guns of the automatic sandblasting machine work at the same time, the air compressor needs to supply compressed air power to the multiple spray guns at the same time, which will easily cause air pressure instability. The main performance is: when the air pressure is high, the automatic sandblasting machine will absorb more abrasives, so more abrasives will be naturally ejected; vice versa.
The second is that the distance between the spray gun and the surface of the workpiece is too far. When the automatic sandblasting machine performs sandblasting, the closer the workpiece is to the spray gun, the greater the impact it will receive, which will cause the abrasive to be relatively concentrated on the surface area of the workpiece, and the sandblasting density is relatively dense; When the spray gun of the sandblasting machine is far away from the workpiece, the sandblasting area will become larger and the density will be thinner, which will cause uneven surface density of the workpiece.
The third is that the walking speed of the spray gun is unstable. The walking speed of the spray gun of the automatic sandblasting machine will affect the density of the workpiece surface. Since the number of sandblasting per unit time is fixed, when the spray gun travels at a slower speed, the surface of the workpiece exhibits a denser density, but the covered area will also be small; when the spray gun travels faster, it appears The effect is the opposite. Therefore, when the automatic sand blasting machine performs sand blasting operation, it must be noted that the walking speed of the spray gun is maintained at a uniform speed to avoid sudden speed and slow speed, which will cause uneven surface treatment of the workpiece.
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