Under what conditions is it permissible to paint the exterior of a car?

When the paint surface is seriously aged and cannot be solved by polishing and reduction process; When the paint surface is eroded by the lens effect and the light is seriously lost; When the oxide layer of the paint surface is thick, local corrosion occurs, and it cannot be polished and reduced; When the paint surface is deeply scratched and cannot be removed by polishing; When the paint surface is partially or partially damaged.

How much does it cost to spray the whole car? Every one of our car owners in the process of using the car will definitely encounter the car is scratched, or there are various traffic accidents caused by the deformation of the car paint situation, once such a situation occurs, if you do not want to let your car appearance be affected, you must need to paint the whole car. If there are only some slight scratches, or there is some small paint loss in the car, it may not be necessary to paint the whole car at this time, only local treatment is required.

Not long ago, there were some cracks in the paint on Mr. Gao's car, because Mr. Gao's car had been spray-painted before, but the quality of the previous paint was very unsatisfactory, and cracks appeared in many places. For this reason, Mr. Gao decided to paint the whole car again. In fact, the situation of Mr. Gao's car does need to be painted throughout the car.

In addition, when the paint surface of the car has fallen off in a large area, or when rust has occurred, it is also necessary to spray the whole car with paint.

If you need to carry out a comprehensive painting treatment on the car, due to the different paints used, plus different places, the price of this treatment is often different, generally speaking, those ordinary paints, about 1000 yuan, and those *** some paints, may need two or three thousand yuan, or higher prices.

It is approved and then reported to the upper level before painting.

Painting can be carried out in cases where the exterior paint of the car is very badly peeled.

I think the shell of the car is intact and can be painted.

I think it should be that the paint on the exterior of the car has fallen off, or in the case of a car accident, it can be sprayed.

This must be regulated, if you spray paint without permission, it is illegal.

I think this needs to be reviewed by the relevant departments, and then it can be painted.

It must be approved by the DMV and reported before painting.

It should be approved by the relevant departments, so I can go to spray paint.

I think I must comply with the regulations, and I must not modify the color casually.

Of course, this completely depends on your mood, and you can do it without special requirements.

Plastic coating for automotive interiors and exteriors requires very specialized automotive painting technology to do well, and each step involves many details. The marketing commissioner of 192job China Automobile Elite Network interviewed the master with more than ten years of experience in automobile painting, and worked with the majority of automotive painting talents to improve automobile painting technology on his automobile painting technology and insights. During the interview, the first thing to talk about is how to spray automotive exterior hard plastic parts, most external hard plastic parts do not need to use primer, some paint manufacturers still recommend using primer before painting, but should not use phosphating paint, metal treatment agents, self-etching primers and softeners.

The specific coating process is as follows: clean the area to be repaired with soapy water, clean it with water, and then thoroughly clean the plastic parts with the thinner of the topcoat or the recommended solvent. Use 400 sandpaper for the area to be coated with the base coat and 600 or finer sandpaper for the mixed area to be sprayed with clear varnish.

Automobile painting technology requires that the base paint should be suitable acrylic paint or polyamide paint, or the base paint cover transparent varnish, and the paint should be diluted according to the dilution ratio introduced in the manual. The amount of paint should be completely covered, not too much, generally there are 2-3 layers of medium-thick wet coating, and then apply transparent varnish after the base paint is dry. There's still a long way to go.

1.Excellent hall shouts weather resistance and corrosion resistance.

2. Excellent mechanical strength.

3. Resistant to gasoline, engine oil, road asphalt, etc.

4. Excellent workability and matching knowledge and ambushability.

5. The color appearance should meet the standard.

6. Wide supply, low price, low pollution and low toxicity.

Nowadays, the shell of most cars is made of steel, but steel is a substance that rusts easily, so it must be sprayed with a special layer of paint. On the one hand, this paint prevents rust; On the one hand, it can make the appearance of the car more glamorous.

1) Purpose of configuration. The paint booth is one of the indispensable and important equipment for automobile repair and coating operations. The purpose of the equipment paint booth is to provide a clean, safe and well-lit painting environment for automobile painting construction, so that the spraying construction is not disturbed by dust, ensure the quality of painting, and limit the volatile paint mist to a limited space to reduce environmental pollution.

2) Technical requirements for the paint booth. The air entering the paint booth must be carefully filtered to ensure that the air is free of dust. The air flow in the paint booth must flow from the ceiling to the floor in the direction of gravity, and the air must be exhausted from the floor and filtered into cleaner air.

Ensure that the air in the paint booth is converted twice per minute, so the indoor air flow rate should be. The air flow rate is too large, the paint loss is too much, the coating condition is poor, and the air flow rate is too small, which affects the normal volatilization of the solvent. It has good lighting conditions.

Make sure there is no negative pressure in the paint booth. This can be achieved by controlling the amount of air entering the booth and slightly more than the amount of air being exhausted. The noise level in the paint booth is not allowed to exceed 85db.

Meets fire protection requirements.

3) Classification of paint booths. The paint booth can be divided into two categories: dry and wet according to the different ways of removing paint mist and preventing dust from mixing. Dry paint booth.

The dry paint booth is mainly composed of a chamber, a filter, an exhaust pipe and a ventilator. It is characterized by simple structure, small paint loss, high coating efficiency, due to the non-use of water, reducing water treatment equipment, low cost, and is widely used by domestic small and medium-sized repair enterprises. Wet paint booth.

The wet spray booth is divided into four types: spray type, water curtain type, text type and rotary type. For the coating of high-end automobile topcoats, foreign countries mostly use literary or water spin spray booths, and rarely use them in China.

4) Maintenance of the paint booth. All preparations before painting must be carried out outside the paint booth. The filter must be checked frequently and replaced at the prescribed time.

Check the barometer reading every day, grasp the air pressure range in the paint booth, and strictly prohibit negative pressure. The dry paint booth should moisten the ground before spraying to prevent dust. Regularly inspect the lighting and replace weak or burned light fixtures.

Lubricate and maintain the exhaust fan and motor regularly. Pay attention to personal hygiene, and it is strictly forbidden to wear dirty clothes into the paint booth. After each painting operation, it should be thoroughly cleaned, and the relevant equipment in the paint booth should be maintained and cleaned.

Hello Moderate humidity, clean, no sink, good ventilation or ventilation system.

Hello, the paint spray room should be well ventilated, because the smell of paint is very pungent, but also to do a good job of sewage discharge, can not pollute the drinking water resources, and finally build the paint spray room when there can not be too much dust around the effect of the painting, hope to adopt.

The automobile coating process can generally be divided into two parts: one is the surface treatment of the metal before painting, also known as pre-treatment technology; The second is the construction process of coating. Surface treatment mainly includes the removal of oil, dust, rust on the surface of the workpiece, and the removal of the old coating layer during repair operations to improve the surface condition of the workpiece.

This includes machining and chemical treatment of the workpiece surface, such as phosphating, oxidation and passivation, depending on the specific situation.

The automotive coating process has its own characteristics and emphases according to the different types of automobiles.

The main coating part of the truck is the front cab, which has the highest coating requirements; Other parts such as carriage and frame have lower painting requirements than the cab.

The painting of passenger cars is quite different from that of trucks. The passenger car body includes girders, skeletons, compartment interiors, and exterior surfaces of the body, among which the outer surface of the body is required to be higher. The outer surface of the body is not only required to have good protection and decoration, but also has a large spraying area, many planes, more than two colors, and sometimes a car ribbon.

Therefore, the construction period is longer than that of a truck, the construction requirements are higher than that of a truck, and the construction process is more complex than that of a truck.

Cars and small station wagons have higher requirements than large buses and trucks, both in terms of surface decoration and bottom layer protection. Its surface coating belongs to the first level of decorative precision, with a beautiful appearance, as bright as a mirror or smooth surface, without fine impurities, abrasions, cracks, wrinkles, blisters and defects visible to the naked eye, and should have sufficient mechanical strength. The bottom coating belongs to an excellent protective layer, which should have excellent rust and corrosion resistance, and strong adhesion; Partial or full scraping and coating of putty with good adhesion and high mechanical strength will not corrode or fall off after several years of use.

When painting the metal sheet of the car shell, the electrostatic painting method can not only spray the paint evenly, but also save paint and reduce air pollution. (1) When the paint is sprayed from the nozzle of the electrostatic paint spray gun, it is dusted into a mist of micro-particles.

High-voltage power supplies cause these particles to be negatively charged.

2) The mist particles each carry the same species of the same species and the same species of different species) of the charge, it.

They repel each other and can therefore remain foggy.

3) Since the metal shell of the car has a positive (positive and negative) charge, it will make.

Paint mist adsorbs onto the surface of the car, reducing the range of paint mist drifting beyond the surface of the car.

There are several situations in which car painting is required,1In the process of driving, the car collides, collides, collides, wears, scratches (scratches), and sheet metal repair is carried out, and it is necessary to spray paint, 2The paint surface is aging, and the car paint is too old and completely renewed, 3In addition, if the car changes color, it will also use the whole car spray paint, which can lead to the car spraying paint

The vehicle's paint is bruised or scratched.

The paint is old and the car paint is old and completely renewed.

1. When the paint surface is seriously aged and cannot be solved by polishing and reduction process, 2When the paint surface is eroded by the lens effect and seriously loses light, 3When the oxide layer of the paint surface is thick, local corrosion cannot be polished and reduced, 4When there are deep scratches on the paint surface that cannot be removed with polishing, 5When the paint surface is partially or partially damaged.