What are the spraying techniques that need to be mastered when spraying the slurry? Henan Hao Li sprayer manufacturers share some spray gun operation skills and hope to help everyone operate the spray gun.
1. The spraying machine is equipped with a matching agitator or manually adjusts the viscosity of the mortar or coating to a suitable spraying (according to what type of material viscosity is required by the builder's project).
2, the air pressure is best controlled at 0.3-0.4 MPa (3-4 kg force / square centimeter). If the pressure is too low, the material will be poorly atomized and the surface will form pits; if the pressure is too large and the paint mist is too large and the paint mist is too large, it will waste the material and affect the operator's health.
3, the distance between the nozzle and the object surface is generally 300-400 mm. Nearly easy to flow hanging; too long uneven material, the specific size of the distance, should be based on the type of coating, viscosity and pressure to adjust the size of the appropriate. Slow-drying materials can be sprayed a little further, faster-drying materials can be sprayed, and the distance can be closer; when the viscosity is thick, they can be nearer, when the viscosity is thin, they can be farther; when the air pressure is high, the distance can be farther, and the pressure can be closer .
4, the spray gun can be used for up and down, left and right movement, it is best to run evenly at a speed of 10-12 meters / minute, the nozzle should be sprayed on the surface of the flat, to minimize oblique spray. When sprayed on both ends of the object, the trigger that deducts the trigger of the spray gun should be loosened quickly to reduce the atomization. Because the two ends of the object surface are often subjected to more than two shots, it is the most likely cause of sagging. .
5, spray the next time to suppress the 1/3 or 1/4 of the last one, so that there will be no leakage phenomenon. When spraying the quick-drying materials, they must be sprayed in sequence one at a time. Spraying effect is not ideal.
6. When spraying in outdoor open areas, pay attention to the wind direction (not suitable for operation in high winds). The operator must stand in the downwind direction to prevent the paint mist from being blown to the sprayed wall surface or the building body to cause ugly appearance. Granular surface.
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