What is the rear beam assembly
rear beam assembly is an important part of the rear of the car, its main function is to absorb and disperse the impact from the rear, protect the body. The rear beam assembly usually includes the following main parts:
rear bumper body : this is the main part of the rear beam assembly, determines the shape and basic structure of the bumper .
mounting kit : includes a mounting head and mounting post for securing the rear bumper body to the vehicle. The mounting column is connected to the blind axial hole of the cassette seat through the reserved through hole on the rear bumper body, ensuring that it is firmly fixed on the rear bumper body .
elastic cassette : used to absorb and disperse the impact force, protect the body .
anti-collision steel beam : can transfer and disperse the impact force to the chassis of the vehicle, further protect the body .
plastic foam : absorb and disperse the impact energy, protect the body .
bracket : used to support and secure the rear bumper .
reflectors : improve visibility for driving at night .
mounting hole : used for connecting radar and antenna components .
Reinforcing plate : Enhances the side stiffness and perceived quality of the bumper .
These components work together to ensure that the impact force is effectively absorbed and dispersed in the event of a collision, protecting the safety of the vehicle and its passengers.
The main role of the rear bumper beam assembly is to protect the rear of the vehicle from external impact damage and absorb energy in a collision to reduce damage.
The rear bumper beam assembly consists of several main elements, such as the rear bumper body, mounting assembly and elastic cassette. Its core function is to absorb and mitigate the impact force from the outside, providing protection for the body. Specifically, the rear bumper beam can evenly distribute energy to the energy absorption bracket in the event of a collision, reducing damage to components such as the trunk, tailgate, and taillight set, thereby protecting the rear structure of the vehicle .
In addition, rear bumper beams reduce maintenance costs in low-speed crashes and protect vehicle members in high-speed crashes, reducing damage to vital components .
Therefore, after the replacement of the bumper beam as long as the specifications of the original car is consistent, the impact on the vehicle is not much , you can normally use .
rear beam assembly failure mainly includes the following situations:
Bearing wear : Bearing wear in the rear axle assembly will cause abnormal noise and vibration when the vehicle is running, affecting the smoothness and comfort of the ride. When the bearing is seriously worn, it may even lead to bearing damage and need to be replaced .
gear damage : Gear damage will cause the rear axle assembly to not work properly and the vehicle cannot run normally. The cause of gear damage may be poor lubrication or improper operation, it is necessary to repair or replace the damaged gear .
oil seal leakage : oil seal leakage will cause oil leakage of the rear axle assembly, affecting its normal operation. Oil leakage may be caused by aging or damage to the oil seal. It is necessary to check and replace the damaged oil seal .
Fault diagnosis and maintenance methods
bearing wear maintenance : replace the worn bearing and ensure that the appropriate lubricating oil is used to reduce wear and extend the bearing life .
gear damage repair : repair or replace the damaged gear to ensure the normal operation of the rear axle assembly .
oil seal leakage treatment : check and replace the damaged oil seal, clean up the traces of oil leakage, and ensure that the rear axle assembly is sealed properly .
The role and importance of the rear guard beam assembly
The rear beam protection assembly plays an important role in the rear drive type, which is responsible for converting the torque and speed of the reducer through a specific speed ratio to provide the appropriate driving force and speed for the vehicle. When the vehicle turns, the rear protection beam assembly can also ensure the differential operation of the inner and outer wheels and maintain the turning stability of the vehicle .
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