What are the benefits of polishing for cars?

Benefits: For the paint surface of the vehicle with oxidation, black and scratches, the oxides and corrosives can be thrown away to achieve the purpose of restoring the cleanliness of the paint surface;

Disadvantages: While polishing, the car paint will become thinner, and if the operation is not careful, it may also throw the primer leakage.

Polishing in general is not beneficial. Polishing is when it is bright. And polishing is the more paint is thrown, the more puffy it is, and a car can be thrown up to five times in a lifetime.

So don't throw it until you have to. In fact, if you have money for polishing, it is better to buy a box of better wax, and when you go to the car wash shop to wash the car, you will pay some manual fees for the car washer to play. Although waxing is a short-term nursing car paint, at least it does not hurt the paint.

Polishing is to use wax car paint to polish a layer, like we brush our teeth, sealing uranium is to add a layer of anti-wear things to the paint, so that the paint surface is wear-resistant, not to do that is OK, the original car paint is baked at high temperature, the paint is very hard, this is up to you.

Car polishing makes the paint appear mirror effect, in the glaze or coating to the car to do a polishing is a must through the operation, without polishing treatment, the car paint is uneven, the glaze retention time is very short, can not play a long-term adhesion effect, and waxing is no different.

In order to make up for these defects, grinding and polishing are usually carried out after spraying, so as to improve the mirror effect of the paint film and achieve the requirements of brightness, smoothness and showiness.

"Car paint mirror coating" technology, is the world's latest generation of car paint protection technology, does not contain any petroleum components, but is refined by special reactive resin, fluorine molecule, transparent fiber resin using a special process, with six significant advantages:

1. Strong protection, temperature resistance -50 -300, with anti-ultraviolet function;

2. Clean and bright, with a finish of more than 99% (only about 70% for new cars);

3. The strength is super high, and the strength is more than 9h (the paint is only about 1-2h);

4. Easy to clean, smooth surface, difficult to adhere to dirt, convenient for daily cleaning;

5. Non-oxidation, its own oxidation resistance, protecting the paint from oxidation;

6. The effect is long-lasting, the performance is durable and stable, and the protection time can reach more than two years.

Remove car surface stains and remove scratches:When there are scratches on your car and distressed, or there are some stains that cannot be cleaned, you can choose car polishing, after the car polishing can be cleaned to the previous state after the mirror reduction, the body paint can be cleaned to the previous state, and at the same time, it can also be thrown away some oxides and corrosions attached to the body such as acid rain and bird droppings, etc., and after polishing, the car paint also has a certain protective effect.

Thin car paint, poor self-maintenance abilityIn fact, car polishing is like removing the cuticle, once or twice is fine, when the number of times, you will find that the ** is getting thinner and thinner, and even can't withstand a little damage, the same is true for car paint, car paint is not regenerated, after layers of throwing, it will only get thinner and thinner, and even lead to the phenomenon of car paint throwing through.

Precautions for automotive polishing.

1. Control the speed of the polishing machine, and do not exceed the range of the selected speed.

2. To maintain the consistency of the polishing direction, there should be a certain order.

3. Replace the sponge wheel at the same time as the polishing agent, and do not mix the sponge wheel.

4. It is strictly forbidden to use wool wheels for mirror glaze treatment. After the paint is polished and the paint surface has been treated with mirror glaze, it must be re-waxed to complete the final protection, so that the purpose of protecting the car will be more fully achieved. Because the paint surface is in contact with the outside world for a long time, it is greatly affected by the outside, and ultraviolet rays, rainwater, tree branches, stones, etc. can cause damage to the paint surface.

Benefits of polishing: In the case of car paint scratches without seeing the primer or the paint is intact, polishing can remove impurities from the paint and restore the original luster of the vehicle.

The disadvantages of polishing: there is a limit to the number of times of car polishing, the car from the factory to the scrap, the number of polishing should be more than three times, the vehicle paint will become thinner and thinner after each polishing, and the number of times may bring permanent damage to the paint, and sometimes because of the greedy mentality, the owner goes to the beauty shop without credit guarantee, and the technical skills of the technicians are not in place, which may cause certain damage.

Advantages: For the paint surface of the vehicle with oxidation, black hair and scratches, the oxide and corrosive substances can be discarded to achieve the purpose of restoring the cleanliness of the paint surface;

Disadvantages: While polishing, the paint will become thinner, and if the operation is not careful, it may also throw the primer leakage.

The advantage of car polishing lies in some of the scratches on our seven sides, and if you can soak or oxide layer or something like that, you can get rid of the shortcomings, it is nothing more than to process our seven sides to him, which may not be as thick as before, and I hope it will help you.

The biggest difference between an electronically controlled engine and a carburetor engine is the fuel supply system. The fuel supply system of the electronically controlled engine has eliminated the carburetor, but a number of electronic automatic control devices have been added. These include many sensors, actuators, and ECUs.

Electronically controlled engines have to do not only what carburetors do, but also what carburetors can't do. For example, the specific concentration of air-fuel in a combustible mixture can be controlled within the required range. The oil circuit and circuit of the carburetor engine are very clearly divided and do not affect each other much.

The electronically controlled engine fuel supply system increases the electronic control part, which makes the oil circuit and circuit interconnected, which not only affects the work of the engine fuel system, but also affects the normal operation of the engine. Due to the increase in electronic control devices for electronically controlled engines, this makes the entire structure of the engine, including the electronic control system, more complex.

Quick navigation. Structural composition.

How it works. Parameters to be measured.

Merit basic idea.

In the initial stage, the function of the system is realized by replacing the mechanical control technology with electronic technology, and its function is expanded, so that the performance is greatly improved; After the development to a certain extent, electronic technology can promote the essential change of the system principle, so that the limitations can be broken through, so that the engine performance can be greatly improved.

Electronically controlled engine.

Structural composition. Electronic control unit.

The electronic control unit (ECU) is the heart of the engine's electronic control system. It completes the collection of various parameters of the engine, the control of fuel injection volume and fuel injection timing, and determines the function of the entire electronic control system.

The sensor sensor transmits the information of the engine operating conditions and environment to the ECU in real time and realistically through various signals.

In other words, what the ECU learns is just an engine made up of many signals. Therefore, the accuracy, reproducibility and immediacy of sensor information directly determine the quality of control.

The various control functions to be completed by the actuator electronic control system are realized by various actuators.

In the control process, the actuator converts the control signal from the ECU into a certain mechanical motion or electrical movement, thereby causing the change of engine operating parameters and completing the control function.

How it works. The engine speed and load are used as the basic signals reflecting the actual working conditions of the engine, and the basic fuel injection amount and fuel injection timing are determined with reference to the fuel injection amount and fuel injection timing spectrum corresponding to each working condition of the engine obtained by the test, and then various compensation is made according to various factors (such as water temperature, oil temperature, atmospheric pressure, etc.), so as to obtain the best fuel injection amount and fuel injection timing or ignition timing, and then control the output through the actuator.