Maintenance methods for automotive paint
Most of the car paint is made by baking. The key is to apply paint on the electric welding of the car factory, frame, and body, as well as after manually repairing the car body.
Generally speaking, the first thing people must apply is topcoat. Subsequently, infiltrate the white body into the paint groove, remove and air dry the topcoat; Next, it will be sent to a dust-free production workshop, and then sprayed with edge paint using the electrostatic spraying process. Finally, it will be dried at a temperature of around 200 degrees Celsius.
Some even apply a new layer of topcoat. So, what are the methods and common problems of car paint maintenance?
1. The key to color matching techniques in automotive repair paint is to create a standard card based on the "spectral color". Then, from the paint color card, we can find the color that people must match. Perhaps people can also use the customer's standard coating samples to determine the color. The main process is as follows:
(1) To accurately distinguish color tones, it is necessary to first color them according to the colors on the color board, and then identify the "color", "chromaticity", and "purity" according to standardized standards. Additionally, it is necessary to confirm the basic color, background color, and other colors used, as well as adjust the color materials of the original color according to this standard.
(2) Proper selection of color materials must be carried out in accordance with regulations to configure the model specifications, types, and matching application standards of color building coatings with paint thinners and auxiliary materials. Natural color materials with good characteristics and economic development must be selected for preparation.
(3) After adjusting certain styles first, a lot of adjustments will be carried out, especially for those without color machine equipment strips. It is even more necessary to demodulate some styles first. After the color mixture is accurately prepared, it only lays the foundation for many demodulation to reduce luxury and waste.
2. The reason and solution for the appearance of putty powder marks in car paint must be made up by using atomic ash. After the two-component car paint is applied, it must undergo spray painting, and sometimes putty powder marks may appear.
3. To prevent putty powder marks caused by left and right reasons, special attention must be paid to the following before curing:
(1) It is necessary to apply high-quality atomic ash to prevent defects such as putty powder printing and loss of gloss.
(2) Apply high-quality two component mid coat topcoat and spray paint with moderate column height mid coat topcoat.
(3) It is necessary to follow the secret recipe provided by the manufacturer, and special attention must be paid to the preparation of atomic ash and epoxy curing agent to carry out precise configuration.
Article source: Automotive repair paint http://kunchong.net.cn
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