The front and rear ends of the car are equipped with bumpers, which not only have decorative functions, but also more importantly are safety devices that absorb and mitigate external impact forces, protect the car body, protect the car body and the safety functions of the passengers.
The outer plate and the buffer material are made of plastic, and the cross beam is punched into a U-shaped groove by a cold-rolled sheet with a thickness of about 1.5 mm; the outer plate and the buffer material are attached to the cross beam, and the cross beam is screwed with the frame longitudinal beam, which can be at any time Remove it. The plastic used in this plastic bumper is generally made of polyester and polypropylene materials, and is made by injection molding.
The bumper has the functions of safety protection, decoration of the vehicle and improvement of the aerodynamic characteristics of the vehicle. From a safety point of view, the car can play a buffering role in the event of a low-speed collision and protect the front and rear bodies; it can also play a certain role in protecting pedestrians when an accident occurs with a pedestrian. From the appearance, it is decorative and becomes an important part to decorate the appearance of the car. At the same time, the car bumper also has a certain aerodynamic effect.