The reason why the sand blasting gun does not produce sand is divided into the first: Is the pressure of the compressed air sufficient?
Second: Is the nozzle blocked?
Third: Isn't too much sand added?
Fourth: Is the equipment faulty? Fifth: The compressed air valve is not open. Sixth: Is the sand pipe blocked? If it is a pressure sandblasting machine, there is a sand regulating valve under the machine to adjust the sand amount. The ball valve can adjust the amount of sand. You should not adjust it.
Parameters and types of sand blasting gun :
1.Venturi nozzle 2.Single inlet air blasting gun 3.Double inlet air blasting gun 4.High speed blasting guns are made of tungsten steel and boron carbide.
Double inlet nozzle (double venturi nozzle):
It consists of two front and rear nozzles. Due to the effect of high-speed airflow, a large negative pressure is generated. The surrounding air is sucked into the nozzle, so that the amount of air ejected is greater than the amount of air sucked in.
The blasting area of the nozzle of the blasting gun is 35% larger than that of the standard Venturi nozzle, and the outlet speed of the blasting medium is reduced. This type of nozzle is usually used for large-area medium-strength surface treatment.
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