What is the processing mode of automobile sheet metal parts?

2021-03-09 16:01:38

Sheet metal has the characteristics of light weight, high strength, conductive (can be used for electromagnetic shielding), low cost, large-scale mass production, good performance and so on. It has always been an important part of the metal manufacturing industry. At present, it has been widely used in the fields of electronics, communications, automobile industry, medical devices and so on. For example, in the computer case, mobile phone, MP3, precision sheet metal is an essential part. With the more and more extensive application of sheet metal, the design of sheet metal parts has become a very important part in the process of product development. Mechanical engineers must master the design skills of sheet metal parts, so that the designed sheet metal can not only meet the requirements of product function and appearance, but also make the processing simple and low cost.

Sheet metal processing is the key technology that sheet metal technicians need to master, and it is also an important process of sheet metal forming. It includes not only the traditional cutting, blanking, bending forming methods and process parameters, but also various cold stamping die structures and process parameters, various equipment working principles and operation methods, as well as new stamping technology and new process.

At present, the sheet metal processing mode of western developed countries mainly adopts the closed-loop control of automatic production. This automatic production technology is more convenient for the operation and maintenance of the whole production line, and greatly improves the safety and reliability of the whole production line. The advanced information management technology strengthens the management of sheet metal processing and manufacturing. At present, the United States, including Asia, Japan and many other developed countries in the sheet metal processing process are using this model.

The reasons for the rapid development of sheet metal processing industry

1. The profit of sheet metal processing is high. For example, stamping can reach about 30%, while laser cutting can reach 50% or more.

2. Low machining accuracy and easy to use. As far as sheet metal processing is concerned, it is very common to have precision in a few threads, and the complexity of sheet metal processing technology is relatively high, even some parts have dozens of processes. Therefore, sheet metal processing enterprises usually need a variety of mechanical equipment to meet different process requirements. The punching accuracy of sheet metal is generally about ± 0.1 mm, and the bending accuracy can generally reach ± 0.5 mm, so the accuracy is much lower than that of precision sheet metal processing.

3. The production capacity of automobile sheet metal parts processing needs to be improved. China is increasingly becoming an international processing and manufacturing center. With the increasing foreign investment, the demand for metal processing capacity is increasing. In the metal processing industry, electrical control boxes and machine shells are generally sheet metal parts, so the demand for sheet metal processing capacity is also increasing