The sheet metal part of a car generally refers to the metal shell of the car, which is usually made of steel plates. On the basis of ensuring a certain strength, it is the basic requirement to reduce the weight as much as possible. In addition to protecting and aesthetically pleasing, automotive sheet metal parts are also the main carrier for vehicles to withstand gas resistance. Therefore, the quality and life of automobile sheet metal parts not only affect the appearance of the car, but also increase the resistance of the air to the car due to quality and deformation, which reduces the economy.
To identify the quality of automobile sheet metal parts, generally speaking, we can start from the aspects of packaging, weight, welding process, painting process, and the fit when loading. It is very difficult for ordinary car owners to distinguish whether the sheet metal parts are of high quality after the car. They may as well distinguish from the packaging of the products in advance: generally, the products produced by small factories will not print the contact information and factory address, and the regular manufacturers except In addition to the contact information and the factory address, there will also be steel stamps, qualifications and testing labels on the products. Even if consumers have problems in the future use process, they can also have a way to protect their rights.
Product weight is one of the inspection standards to measure the quality of sheet metal parts. In order to ensure the safety of automobiles, the steel plates used in automobile sheet metal parts must reach a certain weight. The weight of the original sheet metal parts and the high-quality sub-factory sheet metal parts should be almost the same, and if the sheet metal parts you buy are one-third lighter than the original sheet metal parts, then you will undoubtedly buy It will be the product of a small factory. As for the welding process, it is also a method to distinguish whether the sheet metal parts are from large manufacturers.
The sheet metal parts produced by regular manufacturers will be mechanically cut and welded, and the welding points or trimmed edges will be smooth and will not leave rough cutting edges.
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