What are the details of how to clean the car sheet metal parts?

2019-11-27 16:57:25

After the car sheet metal parts are taken for repair or repair, the next process is very important, that is, cleaning, do a good job of cleaning, and the car body is completely new. So how to clean it?

(1) cleaning and assembly.

The repairman must remove welding slag and adhesive residue, and then clean the body surface. Especially for bare metal surface, it is necessary to spray anti-corrosion materials on it. After body repair work, assembly is required. The finished body and local accessories, parts to be replaced and disassembled parts shall be assembled according to the requirements of the original vehicle.

(2) four wheel alignment.

The vehicle shall be debugged or tested, and the four-wheel positioning shall be carried out for the vehicle with serious collision. To do four-wheel alignment is to check whether the inclination angle and toe value of each wheel of the vehicle meet the original factory standard through the four-wheel alignment instrument. If not, it can be adjusted randomly. Only when the vehicle's positioning data is accurate, can the vehicle's handling performance and stability reach a good state, and the tire's service life also reach a long time. Through the four-wheel alignment inspection, if some data are found not to meet the specified standards, it is necessary to debug until all parameters are within the standard range. The supervisor should check the quality of the repair and then transfer the body to painting.

(3) cleaning methods.

① the inner ceiling shall be cleaned carefully. The cleaning method is usually to use high-power vacuum tube and brush to clean large area first, then use neutral detergent to clean the dirt, and then conduct comprehensive cleaning.

② the specific cleaning method is to first use a high-power vacuum cleaner, and at the same time cooperate with the ceiling soft brush for preliminary cleaning. Then spray the neutral foam cleanser onto the top of the suede. The general quality foam cleaner will hang on the top for a long time. After a few minutes, use the special clean soft brush of the ceiling to gently wash, and then use the wet towel to wipe it.

Do not use any other bristle brush, otherwise it will easily make the fluff fall off. Use the foam cleanser on the suede ceiling, but you must buy the right kind of fabric. Then vacuum it. For stubborn stains, it is necessary to repeatedly spray foam to scrub, clean it and clean it with another clean cotton cloth along the direction of the top of the roof so as to restore its original appearance.