The material selection of automotive door hinge bracket mainly depends on the design weight requirements of the door and the specific parameters of the installation position. For lightweight doors, the use of stamped steel is sufficient to meet the requirements; For heavier doors, it is more appropriate to choose cast steel parts to ensure stability and durability.
The door hinge is the key component to realize the opening and closing function of the door, and it is also the safety part of the vehicle, which is closely related to the collision performance of the vehicle. Regulations require doors to remain closed during a collision and open normally after a collision. If there is a problem with the door hinge, it may lead to the failure of the vehicle to be sold or recalled, causing huge financial losses to the company . Therefore, the door hinge plays an important role in the safety of the vehicle, and the failure of any link may have a serious impact on consumers
