Bumper.
Automobile bumper is a safety device that absorbs and slows down the external impact force and protects the front and back of the body. Many years ago, the front and rear bumpers of the car were pressed into channel steel with steel plates, riveted or welded together with the longitudinal beam of the frame, and there was a large gap with the body, which looked very unattractive. With the development of the automotive industry and the large number of applications of engineering plastics in the automotive industry, car bumpers, as an important safety device, have also moved towards the road of innovation. Today's car front and rear bumpers in addition to maintaining the original protection function, but also the pursuit of harmony and unity with the body shape, the pursuit of its own lightweight. The front and rear bumpers of cars are made of plastic, and people call them plastic bumpers. The plastic bumper of a general car is composed of three parts: an outer plate, a buffer material and a beam. The outer plate and buffer material are made of plastic, and the beam is made of cold rolled sheet and stamped into a U-shaped groove; The outer plate and cushioning material are attached to the beam.
A device that provides a buffer to a car or driver during a collision.
20 years ago, the front and rear bumpers of cars were mainly metal materials, and U-shaped channel steel was stamped with steel plates with a thickness of more than 3 mm, and the surface was treated with chrome. They were riveted or welded together with the longitudinal beam of the frame, and there was a large gap with the body, as if it were an attached part. With the development of the automobile industry, car bumpers, as an important safety device, are also on the road of innovation. Today's car front and rear bumpers in addition to maintaining the original protection function, but also the pursuit of harmony and unity with the body shape, the pursuit of its own lightweight. In order to achieve this purpose, the front and rear bumpers of the car are made of plastic, which is called plastic bumper.
Car bumpers (crash beams), located in the front and rear of most of the car, are ostensibly designed to avoid the impact of external damage to the vehicle's safety system, they have the ability to reduce injuries to drivers and passengers in high-speed crashes, and are now increasingly designed for pedestrian protection.
The car bumper is a safety device that absorbs and mitigates the external impact force and protects the front and back of the body. Twenty years ago, car front and rear bumpers were mainly metal materials, with a thickness of more than 3 mm steel plate stamped into U-channel steel, surface treatment chrome, riveted or welded together with the frame longitudinal beam, and the body has a large gap, as if it was an attached component. With the development of the automobile industry, car bumpers, as an important safety device, are also on the road of innovation. Today's car front and rear bumpers in addition to maintaining the original protection function, but also the pursuit of harmony and unity with the body shape, the pursuit of its own lightweight. In order to achieve this purpose, the front and rear bumpers of cars are made of plastic, which is called plastic bumper. The plastic bumper is composed of three parts, such as the outer plate, the buffer material and the beam. The outer plate and buffer material are made of plastic, and the beam is made of cold-rolled sheet with a thickness of about 1.5 mm and formed into a U-shaped groove; The outer plate and buffer material are attached to the beam, which is attached to the frame longitudinal beam screws and can be removed at any time. The plastic used in this plastic bumper is generally made of two materials, polyester and polypropylene, and is made by injection molding. There is also a kind of plastic called polycarbon ester, infiltrating into the alloy composition, using the alloy injection molding method, the processed bumper not only has high strength rigidity, but also has the advantage of welding, and the coating performance is good, and the amount of cars is more and more. Plastic bumper has strength, rigidity and decoration, from the safety point of view, the car collision accident can play a buffer role, protect the front and rear car body, from the appearance point of view, can be naturally combined with the car body in a piece, integrated into one, has a good decoration, become an important part of the decorative car appearance.
First, use the Angle indicator column to determine the position of the bumper
The mark erected at the corner of the bumper is an indicator post, and some companies have a type that automatically retracts with the motor drive. This corner indicator column can correctly confirm the bumper corner position, prevent bumper damage, improve driving skills, often easy to scratch the bumper, it is best to install a try. With this corner marker, you can correctly judge the position of the bumper in the driver's seat, which is very convenient.
Second, the installation of corner rubber can reduce bumper damage
The corner of the bumper is the most easily injured part of the car shell, and people who feel bad about driving are easy to rub into the corner, making it full of scars. To protect this part is the corner rubber, just stick to the corner of the bumper is OK, and installation is very simple. This method can reduce the degree of damage to the bumper. Of course, if the rubber is bruised, it can be replaced with a new one. In addition, the corner rubber is a very thick rubber pad, attached to the corner of the bumper, if you want to look integrated with the body, you can spray paint.
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