I thought about it for a while, I'd better answer some of them, I hope it will help you with your thesis.
Sheet metal repair can be done in the hall, it does not require a lot of operating room, or even can be repaired outside the shop can be, the only requirement is - sheet metal repair light illumination to be 500LUX (LUX is lumens, a unit symbol) or more space. Small sheet metal defects can be repaired, if the body has a big pit, then you need to scrape putty powder. After scraping the putty powder, dry it with a baking lamp, then smooth it with wet sanding, and then dry the scraped putty area. So repeatedly, to scrape the putty to achieve 2 requirements, one is to dry out, to prevent pinholes after spraying paint, and another is to smooth, so that the paint has a good spreading effect. Sheet metal restoration is here first.
The painting process is divided into 2 types, one is to paint a large area of the body, and one is to repair localized painting defects. The painting process takes place in an enclosed paint booth to avoid outside particles and impurities from sticking to the undried paint film. Paint booths are built in many different ways, with different construction costs. The simplest are those with only extract air, and the better ones add water curtains. The best paint spray booths are usually found in large automobile production lines. Upward air supply, downward air extraction, underneath the flowing water curtain (with the addition of chemicals), so that the paint mist is quickly taken away, and will not fall on the body of the car to cause particle defects. Large body repair process: sanding, wiping, painting, drying (emphasize the repair paint is generally self-drying paint, drying temperature at about 60 degrees on it), repair (polishing, partial repair are counted in this). Speaking separately about local repair, first sanding, then wipe clean, repair at the dry on the spray paint, baking and other baking, and finally the surface will have a lot of paint mist impurities and so on, polishing on the OK. Paint repair to this.
Beauty this I do not quite understand, I am in the car production plant to do painting. I went to the 4S store to see the cosmetic, probably just paste some aesthetic picture, very simple.
Workshop management is even simpler, this is a place where fire prevention requirements are strict, just anywhere you need a few fire extinguishers. Spray paint room and baking room can not just enter. Spray guns should be washed with thinner after use. The baking lamp should be disconnected after use. Operation rules I have said above, is the process. Specific parameters you design it yourself. The most important point is that after the equipment must be put back to the previous position, do a good job 5S work well.