What Methods Can Prevent Rusting of Automobile Sheet Metal?

2019-07-05 14:45:44

In the production process of automobile sheet metal parts, there are certain requirements for stamping technology and stamping die. In high-speed stamping equipment and multi-function stamping die, only "high-speed" and "multi-function" can not meet the production requirements, only to achieve continuous conveying of sheet metal to stamping machine and stamping die, and stamped sheet metal workpiece can be removed from the stamping die and conveyed to the next stamping worker in a very short time. Only in this way can the economic benefits of the theory be guaranteed. Therefore, the correct stamping process should be: careful analysis and research of the whole stamping process of sheet metal parts, to ensure that the whole process from the beginning of sheet metal feeding to the completion of sheet metal parts processing, has the expected shortest production rhythm, so as to achieve the best efficiency.

It's said that it's easy to buy a car and it's difficult to keep a car. Especially in winter, when the weather is wet and rainy, the sheet metal parts of the car paint are more easily rusted. It's distressing and annoying to watch the rusty car. So, how to protect the paint surface and metal parts of the car to prevent rusting?

Toothpaste temporarily prevents rust

And it's treated with plain toothpaste. When new minor scars are found, gently apply toothpaste to the scratches with a circle. Don't forget to paint again after it rains or washes your car. This can generally reduce scratch marks, but also can simply play a role in isolation, prevent rust, no problem in the short term. Especially white car paint, the effect is the most obvious.

Painting pen can handle scratches

If the rust is not very serious, you can gently rub off the rust spots with very fine water sandpaper dipped in water, but do not want to rub in any direction, to grind in the same direction in a straight line. After completely wiping off, apply a layer of primer. If new scratches occur, they can be cleaned and primed directly. After that, if the car is equipped with a small pot of original paint, you can wait for the primer to dry, then use sandpaper to grind it flat, and coat the original paint on top of the primer. If there is no original paint, you can buy a paint pen and use the paint pen for color treatment. Although this treatment has not been to the beauty shop to deal with the effect is good, but if it is small or not eye-catching wounds, it can also play a role in preventing the expansion and aggravation of rust.

Handle small rust spots by yourself

For some minor scratches or rusts that have appeared on the body, if the owner keeps them, they are easy to rust, but they are not worth the money to go to the car beauty shop. Then, the owner can handle it by himself in some simple ways.

Better not cover up your car

Vehicles parked outdoors, if the weather is windy and rainy, the inner layer of the garment will repeatedly whip paint, especially if the sand blows into the garment, it will scratch numerous small scratches on the body of the car, and the paint will become dark over time. In addition, after the wind and sand, do not clean the sand directly with a duster or rag, but should be washed with clean water, also in order to prevent the sand on the duster and rag scratching the paint surface.

Soft Lacquer as Sealing Glaze

Some vehicles with softer paint may also cause small scratches when sand particles hit the body during high-speed driving. For this kind of car, the body can be sealed with glaze, which can form a solid mesh protective film, improve the hardness of the paint surface, the effect can be maintained for about a year. Similar effects can be achieved by coating. In addition, the chassis can be armoured or sealed for the bottom of the vehicle, which can protect the chassis against acid rain and corrosion, make the original protective layer not easy to crack and fall off, and also prevent the impact of small stones on the chassis during driving.

The coincidence degree of sheet metal parts in loading is also a key point to distinguish the quality of sheet metal parts. It will determine whether the final effect of loading is beautiful or not, and also determine the difficulty of installation. Therefore, it is also a very concerned factor of many sheet metal maintenance masters. If the coincidence of sheet metal parts with the original car is low, such as the hole position can not be aligned, the error of gap and flatness in loading workshop is too large (the one-way tolerance of high-quality sheet metal parts in this respect should be controlled below 1.0 mm), then it can be basically determined that this is an unqualified product from a small factory. Luo Shifu said that few car owners have noticed that a strong collision will cause slight deformation of the whole body, and then if the larger clearance sheet metal parts are installed again, it will cause the body deformation again, affecting the damaged vehicle to restore its original appearance and quality. Although experienced sheet metal technicians will eventually adjust the sheet metal parts through drilling and welding to a better loading effect, it will be time-consuming and laborious, and the quality and life of the sheet metal parts are not as good as those manufactured by mechanical precision. Therefore, when choosing and purchasing, it is better for the owners to choose the original parts or the first-class auxiliary parts that match the gap of the original workshop. When installing, they can be in place step by step to avoid or reduce the damage caused by "secondary processing" by the master of sheet metal.