Flexible overdye coating process for automobile body

The invention discloses a flexible overdye coating process for an automobile body, and belongs to the technical field of coating. According to the coating process, aiming at the products with exposedcolor lines, fifteen procedures of 1, primer coating, 2, floating coating and colored paint coating, 3, varnish coating, 4, drying, 5, primary modification, 6, overdyeing shielding, 7, wiping, 8, colored paint overdyeing, 9, varnish coating, 10, drying, 11, shielding removal, 12, color separation line grinding and polishing and wiping, 13, varnish coating (colored paint gun closing), 14, drying and 15, inspection and modification are adopted to achieve color separation of a visible position and the automobile body high-quality requirements that boundaries of double-color products are clear andwithout paint piling and stair feeling. In order to accurately separate colors and ensure the consistency of color separation lines of each automobile, a 3D printing tool is adopted. The process is suitable for various tradit