How to distinguish the advantages and disadvantages of automobile sheet metal parts?

The sheet metal parts of automobiles, generally refers to the metal shell of automobiles, which is usually made of steel plates. On the basis of ensuring a certain strength, it is the basic requirement to minimize the weight. In addition to its protective and aesthetic functions, automotive sheet metal parts are also the main carriers of gas resistance for automobiles. Therefore, the quality and life of automobile sheet metal parts not only affect the appearance of the car, but also increase the resistance of air to the car due to the quality and deformation, which makes the economy decline.

What are the classification of automobile sheet metal parts?

Sheet Metal Parts and Their Classification

According to the manufacturer, automobile sheet metal parts can be divided into two categories: original parts and auxiliary parts. The so-called "original factory" generally refers to the loading parts for the whole vehicle factory, while the "auxiliary factory" is the non-supporting parts produced by the non-supporting manufacturers. The price of most of the original parts is higher than that of the subsidiary parts. It is generally believed that the original parts replaced at the special maintenance station or bought in the auto parts market should be the same as the original car, in fact, there will be a big or small difference.

For example, the "original factory" type sheet metal parts can be divided into several levels: the first level of quality is better, it is specially loaded parts, that is, the original belt, which can not be bought outside; the second level of products is to supply special maintenance stations, in addition to the installation or replacement of the process may bring about by the gap, the product itself is not much different from the first level; the third level is to the retail market. Although the price of spare parts is still high, the quality of spare parts can't be compared with that of the original car.