Use of spray gun

The adjustment of the spray gun is mainly two main factors related to each other: the adjustment of the volume and the amount of paint. The adjustment of the spray gun is mainly two main factors related to each other: the adjustment of the volume and the amount of paint. The gas output is too small, and it is not easy to atomize the paint liquid, so that the paint liquid is dripped and the film may be uneven. The amount of paint is corresponding to the amount of gas output. Before spraying, adjust the appropriate amount of gas and the corresponding amount of paint to make the paint liquid atomize well and spray the surface evenly. To adjust the spray gun, you must listen to the sound of the airflow and know the size of the airflow. Second, you must see the degree of atomization of the paint spray and the size of the fan area.
Spray gun atomization effect:
The spray gun is made up of a gun body and a gun head. The gun body and the tip are connected by a connecting mechanism; the tip includes a nozzle, and the nozzle is internally welded with a plurality of metal round steel.
The nozzles and needles of the spray guns currently on the market are precisely machined from the hard wear-resistant and corrosion-resistant V4A steel. The inside of the nozzle is a tapered coating passage that matches the front tip of the needle. Acting as a paint valve.
How can the spray gun spray the best atomization effect, mainly the following:
First, the viscosity of the coating should be adjusted to 1720 seconds (simple 4 cups).
Second, open the spray knob to the maximum.
3. Tighten the paint flow adjustment knob and turn it 2.5 turns.
4. Turn the compressed air adjustment knob at the end of the gun to the maximum and adjust the pressure gauge to 22.5 bar.
5. The distance between the nozzle of the spray gun and the workpiece is 20 cm. The nozzle of the spray gun should be at a 90 degree angle to the workpiece.
6. The running speed of the spray gun is about 80 cm per second.
7. The spray width overlaps with fog spray, flat spray 1/2, and wet spray for 2/3.
8. The interval between coatings (two-component coatings) is generally 1015 minutes. Due to the different facilities used, it is different from the local climate at that time and the interval is different. According to the actual situation, it should not be too dry or too wet. However, you can gently test the hidden part of the workpiece or cover the surface of the paper with your fingers. The test standard is that the coating surface only leaves the fingerprint without drawing the next coating film. The spray gun nozzle set disassembly sequence:
Disassembly sequence: thimble gas cap nozzle installation sequence: nozzle gas cap thimble This article is transferred to Xinyanbao Trading Co., Ltd. http://news.chinawj.com.cn Editor: (Hardware Business Network Information Center) http://news.chinawj .com.cn

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