Car bumCar bumpers are safety devices that absorb and mitigate external impact forces, and protect the front and rear parts of the vehicle body. Many years ago, the front and rear bumpers of cars were stamped with steel plates into channel steel, riveted or welded to the longitudinal beams of the frame, with a large gap between them and the body, making them very unattractive. With the development of the automotive industry and the widespread application of engineering plastics in the automotive industry, automotive bumpers, as an important safety device, have also embarked on a path of innovation. Today's sedan front and rear bumpers not only maintain their original protective functions, but also strive for harmony and unity with the body shape, and pursue their own lightweight. The front and rear bumpers of a car are all made of plastic, known as plastic bumpers. The plastic bumper of a typical car is composed of three parts: the outer panel, cushioning material, and crossbeam. The outer plate and buffer material are made of plastic, and the crossbeam is stamped into a U-shaped groove using cold rolled thin sheets; The outer plate and cushioning material are attached to the crossbeam.hannel steel, riveted or welded to the longitudinal beams of the frame, with a large gap between them and the body, making them very unattractive. With the development of the automotive industry and the widespread application of engineering plastics in the automotive industry, automotive bumpers, as an important safety device, have also embarked on a path of innovation. Today's sedan front and rear bumpers not only maintain their original protective functions, but also strive for harmony and unity with the body shape, and pursue their own lightweight. The front and rear bumpers of a car are all made of plastic, known as plastic bumpers. The plastic bumper of a typical car is composed of three parts: the outer panel, cushioning material, and crossbeam.
