Metal stamping is a kind of technology that uses punch and die to deform or fracture iron, aluminum, copper and other plates and dissimilar materials to achieve a certain shape and size. Metal stamping is sometimes called sheet forming, but it is slightly different. The so-called plate forming refers to the use of plates, thin-walled tubes, thin profiles, etc. as raw materials.

With the promotion of domestic heavy charging and overload control, lightweight models are more and more popular. Various lightweight trucks known as Zui light in the history of history are constantly stimulating people's eyes. I believe that many people will have such a doubt in their hearts. Is the lighter the car, the lower the safety?

Stiffeners are widely used in the manufacturing industry, as well as in the automotive industry. Many car body sheet metal are equipped with stiffeners, except for the appearance surface with special requirements. The role of stiffeners is to enhance the strength and stiffness of some areas, improve the characteristics of noise, vibration and acoustic vibration roughness (NVH). In addition to the important parts, the daily installed stiffeners have little impact on the use of vehicles, so the design and application of stiffeners in the automotive industry are not as good as the collision ability, lightweight and other similar functions, which have received too much attention. In addition, the stiffeners on automobile sheet metal include automobile and mechanical properties, which are rarely involved in all kinds of automobile and mechanical data. Therefore, although there are many applications of stiffeners in automobile, the research is not in-depth.

To some extent, the quality of car repair affects the actual use of the car, but also related to the life safety of drivers and passengers. Therefore, the auto repair shop needs to constantly improve its own repair technology, improve repair standards, so as to ensure the safety of maintenance vehicles.

In case of scrape and collision accident, the owner of the car should go to the special repair shop for repair. Because the maintenance personnel there are all trained and have the standard size of professional equipment, tools and body, the structure of the car will not be damaged during the repair process. After the vehicle is repaired, check the repair quality.

Chip skipping of stamping parts refers to the phenomenon that the scraps that are punched into the edge of the die are brought out of the die surface by the punch when the precision metal die is being cut at high speed. Its existence will crush strip or stamping parts, thus affecting product quality, shortening die life and reducing production efficiency, which is the "big taboo" of high-speed continuous blanking production.

In the production process of metal stamping parts, we will encounter the situation that the punch size is too large or too small and the difference between punch size and punch size is large. In order to solve this problem, we should not only consider the planning size, processing accuracy and blanking clearance of forming punch and die, but also think about the following aspects.

Ferrous metal plate is easy to be oxidized and rusted gradually due to contact with air or contamination with harmful substances and other factors, resulting in yellow rust spots and damage to the original coating layer. Especially for the parts processed by hammering, welding and other processes in the process of sheet metal operation, it is more likely to damage the original coating protection layer and accelerate corrosion. Even if the paint film is sprayed, the paint film will fall off together with the basic coating quickly. At this time, a thorough coating treatment must be carried out again.

Automobile engine body is divided into upper cylinder block (cylinder head) and lower cylinder block. The casting forms are generally divided into die casting, low-pressure casting and gravity casting. The upper cylinder block (cylinder head) and lower cylinder block are all made of aluminum alloy. Japanese cars are common, but the upper cylinder block is also made of cast iron. The codes of various countries in the world are different in the use of aluminum alloy ingots. The frequently used and common main brands are A390, 390, asm380, etc. in the United States; ac2b, adc10, etc. in Japan; ZL104, zl106, etc. in China; alsi9cu3, in France; alsi8cunimg, AlSi12Cu, etc. in Germany.

In theory, the metal parts of the whole car can be basically made of aluminum alloy. Aluminum alloy is a kind of non-ferrous structural material widely used in industry, which has been widely used in aviation, aerospace, automobile, machinery manufacturing, ship and chemical industry. With the rapid development of industrial economy, the demand for aluminum alloy welded structural parts is increasing day by day, which makes the research on the weldability of aluminum alloy in-depth.

With the development of automobile in the direction of reducing consumption and emission, being safer and more environmentally friendly, and with the independent R & D and innovation of China's automobile industry, the strategic demand for building an independent brand is becoming increasingly urgent, resulting in new opportunities and challenges for the application of plastics in automobile, such as its parts manufacturing industry, engineering plastics and modified plastics suppliers.

A large number of cold stamping processes have been used in the production of automotive stamping parts, which are suitable for the needs of many varieties and large-scale production of automotive stamping parts industry. In medium and heavy-duty vehicles, most of the covering parts, such as body outer panel, and some load-bearing and supporting parts, such as frame, carriage and other auto parts are automobile stamping parts. The steel used for cold stamping is mainly steel plate and steel strip, accounting for 72.6% of the total steel consumption of the whole vehicle. The relationship between cold stamping materials and the production of automobile stamping parts is very close. The quality of materials not only determines the performance of products, but also directly affects the process design of automobile stamping parts process, and affects the quality, cost, service life and production organization of products. Therefore, reasonable selection of materials is one of the most important factors An important and complex task.

Features design and material advantages of mechanical and electrical stamping parts: compared with castings and forgings, stamping parts are thin, uniform, light and strong. Stamping can produce workpieces with stiffeners, ribs, undulations or flanging to improve their rigidity. These workpieces are difficult to make in other ways. Because the stamping parts use precision die, the precision of the workpiece can reach micron level, and the repeated precision is high, the specification is consistent, and can punch out the hole, the boss, etc., so the application of stamping parts is more and more extensive.

A large number of cold stamping processes have been used in the production of automotive stamping parts, which are suitable for the needs of many varieties and large-scale production of automotive stamping parts industry. In medium and heavy-duty vehicles, most of the covering parts, such as body outer panel, and some load-bearing and supporting parts, such as frame, carriage and other auto parts are automobile stamping parts. The steel used for cold stamping is mainly steel plate and steel strip, accounting for 72.6% of the total steel consumption of the whole vehicle. The relationship between cold stamping materials and the production of automobile stamping parts is very close. The quality of materials not only determines the performance of products, but also directly affects the process design of automobile stamping parts process, and affects the quality, cost, service life and production organization of products. Therefore, reasonable selection of materials is one of the most important factors An important and complex task.

There will always be big and small failures in the process of driving, but the dangerous one is the brake system failure. Just think about it, it is a very dangerous thing that the car can't stop at the critical moment. Therefore, auto parts manufacturers suggest that car owners pay more attention to the brake system when they use the car at ordinary times. The common faults are as follows:

The door is to provide the driver and passengers with access to the vehicle, and isolate the interference outside the vehicle, to a certain extent, reduce the side impact and protect the passengers. The quality of the door is mainly reflected in the anti-collision performance of the door, the sealing performance of the door, the opening and closing convenience of the door, and of course, other indicators of use functions. The anti-collision performance is particularly important, because the buffer distance is very short when the vehicle is in side collision, it is easy to hurt the personnel in the vehicle. Most car owners pay attention to the engine and configuration when they buy a new car. Only a few car owners pay attention to the door. In fact, when buying a new car, the door can not be ignored.

For the chassis of a car, it is the chassis that is easy to be damaged when driving on the road in rainy days. To maintain the chassis in rainy days, it is necessary to thoroughly clean and rust proof the chassis. First of all, the chassis should be thoroughly cleaned. If there is too much mud on the chassis, it should be washed with a degreaser to expose the original "natural color" of the chassis, so that anti rust care can be started. In the professional beauty shop, the car can be lifted to the lifting frame for chassis cleaning, wiping, and then antirust care. In the middle of this, it should be noted that after cleaning, it is necessary to wait until the water on the chassis is completely dry before antirust care. In the process of nursing, it is necessary to maintain a uniform spray coating to form a uniform antirust coating with long-lasting retention. After the completion of all works, conduct natural air drying for 5-10 minutes, and the anti rust treatment of chassis shall be completed. So, if the chassis is damaged, how to rescue it?

The incidence of traffic accidents on expressways is very high, the main reasons are overspeed, illegal parking, loading violation, fatigue driving, auto parts failure and other factors. Driving on highways requires special attention:

When a car needs to be repaired, it is often treated differently in various situations. Many car owners or repair points will "treat the same thing", but in fact, the same problem is not the same way to deal with it. There are several common misunderstandings in the daily repair of the car. In order to avoid the wrong place in the repair, let's have a look with the auto sheet metal parts manufacturer!

Steel plate and steel strip in automobile stamping parts: the steel used for cold stamping is mainly steel plate and steel strip, accounting for 72.6% of the steel consumption of the whole vehicle. The relationship between cold stamping materials and automobile stamping parts production is very close. The quality of materials not only determines the performance of products, but also directly affects the process design of automobile stamping parts, and affects the quality, cost, service life and production of products Organization, so the reasonable selection of materials is an important and complex work.