Experts decipher car painting matters, like Dongguan 36-style service?

"It costs 300 to spray paint this door!"

"It's too little to do it. This door is so big, it costs at least 400!"

Often heard The surveyor and the auto repair shop manager, like the ladies buying vegetables at the vegetable market, argued over how much to pay for painting a door.

At this time, I will ask the surveyor, what is the basis for your bid of "300"? Do you know what kind of services these "300" have purchased?

Dongguan ** service claims to have thirty-six styles. Although the spray painting workers in the auto repair shop are not as fancy as the thirty-six styles, the word "spray painting" also includes more than a dozen techniques.

Before officially spraying paint, you need to mix the paint.

Why mix paint?

It should be noted that paint mixing is definitely a technical job, and not every auto repair shop has a paint mixing master.

Therefore, it is now common for a dedicated paint mixer to provide door-to-door services. Generally, the cost of paint mixing is 50-80 yuan, and the paint mixer brings his own paint (the price in my local area a few years ago is allowed to have regional differences).

If you want to spray an area of ????a door, the adjusted amount of paint must be much larger than the amount of spraying a door, because he wants to avoid the situation where the paint is not enough when half of the paint is sprayed.

Let’s talk about the specific process:

The first is sheet metal. When the car body is scratched and there is a dent, sheet metal is needed. The dented part must be disassembled first, and then Use a sheet metal hammer to make the basic shape, then use a meson machine to pull it flat, close the fire to shape, and finally use an angle grinder to remove excess solder joints.

Then comes the complicated painting process

1. Water grinding

Use sandpaper to clean the surface to be painted. Sandpaper is divided into different thicknesses, ranging from No. 80 to No. 2000.

2. Top up the ash

Mix putty + curing agent, stir evenly with a touch knife and then add it on the paint surface. Just like patching the white ash on the wall, except that the shapes on the car are various, patching the putty on the car door is not done in one step. If the area is large, it needs to be patched several times.

3. Grinding ash

After repairing, start grinding ash. At first, I thought the painter was weird. After working hard for a long time, why did he have to use sandpaper to remove it? Later I put it down to art.

4. Scrape red ash

Red ash is a magical thing. It can repair extremely small dents and sandpaper marks on the paint surface, making the surface of the putty become Be smooth and delicate. Finally, the painter polished off the red dust.

5. Spray primer

The purpose of spraying primer is to make the base more flawless. Some painters will prime every car, while some do not.

6. Enter the baking room, blow out water, and stick newspapers.

After spraying the primer, you will also scrape some red ash to remove some minor flaws. After repairing and sanding, When entering the baking room, first use an air gun to blow clean the paint surface and the surrounding area. No water droplets can flow onto the paint surface.

Then stick newspapers, because spray painting is a local work. In order to prevent the paint from getting to other areas, all areas except the paint surface must be sealed with newspapers. For example, if you spray a front door, you must seal it with newspapers. The door frames, fenders, lower skirt, rear door and half of the roof were sealed with newspapers.

7. Spray painting

After the paint surface is clean and the newspaper is pasted, you can spray paint. The process of spray painting can be said to be simple or difficult. It depends on personal experience. Some spray paint is done in two times, while others spray it four or five times repeatedly. After all, each master's method is different, but the result he pursues is the same. .

8. Spray varnish

To put it simply, varnish and paint are two different things. The paint alone will not be shiny when sprayed, so you need to spray a layer of varnish after spraying the paint. In addition, there are several types of paint. The most common pearl paint requires spray varnish.

Solid color paint and elegant paint do not need to be sprayed with varnish, and have their own shiny function. There is also a kind of chameleon paint, which shows different colors when viewed from different angles, which is amazing.

9. Baking paint

Baking paint, as the name suggests. The baking room lasts for 2 hours (please go out if you use a small sun, I won’t show you how to play here)

10. Polishing

After the paint is sprayed and dried, first polish it with 2000 grit sandpaper After a while, polishing the paint surface can make the paint surface smoother, more delicate, and shiny like new.

11. Waxing

After polishing, use special car wax to apply a protective film to the car's paint surface. It will not only make the paint surface brighter, but also Keeps the gloss of the paint surface longer. But generally this step is omitted.

Okay, let’s calculate the cost of spraying a door:

Paint mixing + paint consumption = 50-80 yuan, auxiliary materials (tape, waste newspaper) = 2-10 yuan, water , diesel (for the paint room), and now there is also electricity. Is 30 enough?

The rest is the wage cost of the workers. You can ask yourself, how much money are you willing to do the above work?

Now do you know how much you should pay to spray a door?

Another point is that many surveyors now calculate the price of spray painting like this.

One door is 300, two doors are 600, add a fender 200, add a front bumper 300.

The cost of spray painting this time is 1,100 yuan.

If you have just started working as a loss assessor, you can do this. If you have been a loss assessor for more than a year and still use such a "simple" way to calculate the price of spray painting, you may consider resigning. Well, a surveyor who is not good at learning and observing has no future