Basic Principles of Spraying Painting in Automotive Painting Process: High Gloss Dustless Painting Line for Accessories

1. Check tools and working environment before painting

The water in the air compressor must be released first. Thoroughly clean, inspect spray paint room, ventilation filter. Clean the floor of spray painting room.

2. Clean surface

The spraying surface must be washed with water, oily, waxy with agent, and the surface of newly welded or rusted metal must be treated with epoxy resin rust-proof primer to prevent rust.

3. Correct grinding method

Don't use sandpaper too hard, try to use fine sandpaper as much as possible.

Purification air supply system

4. High-quality diluents

Do not make economic calculations about diluents, use matching diluents, paint can play the highest quality, using cheap purifying air supply system diluents can save several yuan, but will pay more time and energy; using high-quality diluents, the work will be easier.

5. The correctness of hardener and diluent

Incorrect proportion of hardener and diluent will affect the effect of paint.

6. Good primer

Regardless of spraying, pure color baking paint, silver primer baking paint, should use good quality, in order to increase adhesion and gloss.

7. Stir evenly

Whichever paint or manufacturer, even mixing is the most important, especially for those containing silver powder.

8. Proper air pressure

When the nozzle pressure is kept between 40 and 50 pounds, it is most ideal. Too much or too little pressure will affect the spraying effect and cause waste.

9. The correct spraying method should follow the product instruction.

Keep the distance between the spray gun and the object at 15-20 cm, and the spray interval is 5-10 minutes each time. There are different construction instructions for each product of the automobile parts painting line, such as hardener mixing, spray distance, available time, etc.

10. Ventilate well

11. Spraying environment should be clean