When choosing spray gun, factors such as the size of th […]
When choosing spray gun, factors such as the size of the sprayed object, the type of paint and the quality registration standard for spraying should be considered.
If the object to be coated is large, a spray gun with a larger caliber should be selected, so that the amount of paint is large and the speed is fast.
When the quality of spraying is required to be high, the spray gun with atomized nozzle should be selected. On the contrary, large objects and low quality requirements will affect the efficiency if the spray gun with good atomization is selected.
The use of large spray guns will cause waste and cannot improve the quality if the amount of paint used is small, the area of objects to be sprayed is small, and there are many kinds of colors. At this time, gravity spray guns should be selected because they have less paint loading capacity, convenient color change, and thinner can be saved when cleaning paint pots.
The larger the caliber of the spray gun, the greater the air pressure required and the more paint sprayed, the higher the consistency of the paint required. The caliber of the paint spraying gun is matched with the air hole of the air cap of the spray gun nozzle. According to different types of paint, the caliber of spray gun nozzle and the number of air outlet holes should be selected, and the viscosity of the paint should be adjusted.
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