The high-pressure airless sprayer uses a high-pressure plunger pump to pressurize the paint, and the high-pressure paint is delivered to the spray gun through a high-pressure hose, and the pressure is released through the nozzle to form an atomization device to form a dense coating on the wall surface. Before the large-scale high-pressure airless spraying machine is painted, it is necessary to prepare all the necessary items for painting. The necessary items for painting include paint and thinner, paint agitator, weighing equipment, spraying machine and supporting utensils, paint And coating testing equipment, etc. In addition, it is necessary to carry out paint allocation and machine debugging.

1. The deployment of paint

(1) Confirm paint

Confirm the type and quality of the coating according to the coating requirements, and correct the problem in time.

(2) Adjust paint viscosity

Stir the paint fully and measure the viscosity of the paint. If the viscosity is too high, add a thinner to adjust the viscosity to a suitable viscosity.

2. Installation and inspection of high pressure airless sprayer

(1) Installation of spraying machine

Correctly install and connect the prepared parts and auxiliary accessories of the spraying machine.

(2) Inspection of spraying machine equipment

After installation and connection of the airless sprayer, it enters the state of waiting for spraying. Before spraying, check whether the power source is operating normally, and then suck in the paint, check whether the high-pressure paint cylinder is pressurized properly, whether the delivery hose is leaking, and whether the connection between the accessories is tight. Whether the spray gun and filter are clogged, etc. Find faults and eliminate them in time.

(3) Environmental condition control of spraying equipment

Measure the temperature and humidity of the spraying environment to meet the coating conditions, and then the coating can be carried out. Outdoor painting should also consider weather factors. During a period of time from spraying to drying of the coating surface, rain and weather with high wind speed and heavy sand should be avoided.

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