What is the rear bumper beam assembly
Rear bumper beam assembly is an important part of the rear bumper of a car, usually located in the center part of the bumper. Its main role is to improve the rigidity and strength of the bumper to better protect the rear of the vehicle from the damage of external impact .
Structural composition
The rear bumper beam assembly usually consists of the following parts:
Rear bumper body : This is the main protective component, usually made of plastic or metal, to absorb and disperse impact energy.
mounting member includes mounting head and mounting post for securing rear bumper to vehicle .
Elastic cardholder : provides additional cushioning and protection .
anti-collision steel girder : located inside the rear bumper to transfer the impact force to the chassis and disperse .
plastic foam : absorb and disperse the impact energy, protect the body .
bracket : used to support the bumper .
reflectors : improve visibility for driving at night .
mounting hole : used for connecting radar and antenna components .
stiffened plate : improve side stiffness and perceived quality .
Function and importance
The main functions of the rear bumper beam assembly include:
absorption and dispersion of impact energy : Through its structural and material design, the rear bumper beam is able to absorb and disperse impact energy, reducing damage to the rear of the vehicle.
Increased rigidity and strength : Increase the rigidity and strength of the bumper by using high-strength steel or other wear-resistant materials to ensure better protection of the vehicle in a crash.
aerodynamic performance : Its design and shape also affect the aerodynamic performance of the car, which affects fuel efficiency and driving stability .
The main role of the rear bumper beam assembly includes the following aspects :
Absorb and disperse collision energy : the rear bumper beam assembly can absorb and disperse the impact energy when the vehicle crashes, and protect the key components of the rear of the vehicle such as the trunk, tailgate and taillight group from damage .
Protect the safety of car members : in a high-speed collision, the rear bumper beam assembly can absorb energy, reduce the impact force on the members of the car, so as to protect the safety of the members of the car .
reduced maintenance costs : in low-speed crashes, the rear bumper beam assembly can sacrifice itself to protect the integrity of the vehicle chassis, reducing maintenance costs .
improve body stiffness : some designs form a whole between the middle and rear beam of the top cover and the rear beam of the top cover, which improves the overall stiffness of the rear segment of the vehicle, improves the noise of the vehicle, and avoids large deformation of the body during side collision.
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