the automotive paint process includes inspection of lines, flat (arc) surfaces, gaps, grinding and modification of beveled edges, dust removal, cleaning, pasting, primer coating, filling of putty, grinding of putty, and special young atoms gray, use p280# sandpaper to thoroughly polish the old paint on the body that needs to be sprayed with intermediate paint;
use a pressure gun and silicon remover to remove dust and stains on the body, paste masking paper, spray intermediate paint, and sand intermediate paint;
inspection: check the grinding effect, do micro-filling, remove dust and stains on the car body, cover the car body, blow out the dust spots on the car body, remove the stains on the car body, blow out the dust in the gaps of the car body, and stick the fine dust on the car body , topcoat spraying plain paint, spraying primer, varnish spraying, drying, waxing and polishing and other steps.
the car body repair process is as follows:
1. first of all, remove foreign matter such as glazing wax film layer and oil film on the paint surface, first clean the scratched part with dewaxing cleaning agent, and then dry it;
2. according to the size and depth of the scratch, choose the appropriate grinding material, such as no. 1500 grinding stone, 9um grinding or beauty mud, etc., to polish the scratched surface layer;
3. the polished paint surface has basically removed shallow scratches, and the rest of the hairline scratches, spin marks, etc., can be treated by restoring the paint surface;
4. crush the solid polishing wax and put it into gasoline to make it hot-soluble for later use. use a clean cotton yarn to dip it in gasoline to keep the moisture temperature, then dip it in the wax coating and wipe it. wipe it repeatedly until the paint surface is smooth and bright;
5. the appearance quality of the repaired surface is to be inspected. the focus of the inspection is that the color of the coating must be exactly the same as the original paint surface. if there is a difference, it means that the surface cleaning and waxing and polishing do not fully meet the operation requirements, and it should be reworked if necessary.