The process of coating the upper and lower iron beds: After the professional technicians send the polishing agent, first try to confirm whether the polishing agent is correct and suitable (take the color plate as the standard and adjust it appropriately). Prior to rubbing, the abrasive must be mixed uniformly until there is no sediment. The brushes used must be cleaned first and the cloth strips to be wiped must be non-fading cloth strips. Use a brush to brush the product evenly without whitening, and then quickly wipe the scratches with a cloth strip. Check if there are any remaining scratches on the product, if it is not cleaned, if there is any hanging color or unevenness. Background color, according to the requirements of the palette, select the background color, and adjust the color difference between the materials through the background color. The first primer, before spraying, blow off the dust and check whether the sanding effect is good. The first primer concentration was 16 seconds and the spray thickness was cross. Dry, 6-8 hours after spraying. Clean up the sand, fill all the scratches first, and then lightly sand it once with 320 sandpaper, mainly after spraying the burr on the product sand.

　　Secondary primer for the iron bed, blow off the dust before spraying. The primer concentration is 18 seconds and the thickness is one cross. Dry, 6-8 hours after spraying. Clean the sand, first fill the defects in place, and then use 320 sandpaper to smooth the paint surface, the paint surface can not have large bright spots. Three degrees of primer. Before spraying, blow off the dust. The primer concentration is 16 seconds and the thickness is one cross. Dry, 6-8 hours after spraying. 11. Clean the sand and sand the paint surface with 400 sandpaper to make it smooth and smooth. No bright spots on the paint surface are allowed. Color is fixed. Before fixing, the product must be checked for goodness. Remove dust and contaminants from the product. The technician will mix the colors and then fix the prenatal samples compared to the palette. The site supervisor will determine the color before operation. Oil sand, the finished product should be dried for 4-6 hours, and then sanded with 800_ sandpaper. During the polishing process, care should be taken to prevent leakage and painting. Topcoat. Before the topcoat, check whether the product is a good product, whether the surface of the product is smooth, and dust and attachments on the surface should be cleaned up. The topcoat concentration is 11-12 seconds and the thickness is cross-shaped. Dry for 4 hours.