Auto ingot beam function
The automobile ingot beam (also known as subframe) is an important part of the automobile chassis, which is mainly located under the engine and plays multiple key roles. Here are its core features:
Support and fixation
The ingot beam is mainly used to support the engine and gearbox to ensure their stability in the operation of the vehicle. At the same time, it also connects the front and rear axle and suspension system, so that these components are connected to the main frame, forming an overall structure.
Enhanced body strength
Through the transverse connection of the car body, the ingot beam can increase the overall rigidity of the body, improve the torsional resistance and impact resistance of the vehicle. This design is particularly important in a collision accident to effectively disperse the impact force and protect critical components such as the engine and oil pan from direct damage.
Blocking vibration and noise
Through rubber bushing and other shock-absorbing devices, the ingot beam blocks the vibration and noise transmitted by the engine and the road surface, reduces its direct entry into the carriage, thereby improving the ride comfort. This is also an important reason for the general configuration of luxury cars and off-road vehicles.
Improved handling
The full-frame ingot beam can significantly improve the rigidity of the body, making the vehicle more stable during corners and stronger tire grip. For example, high-performance models such as the BMW M3 have further optimized handling performance by using an aluminum alloy ingot beam.
Collision safety protection
In the crash test, the full-frame ingot beam can withstand the larger impact force and distribute the energy throughout the frame, thereby reducing the risk of suspension damage and improving vehicle safety.
In short, the automobile ingot beam plays an irreplaceable role in support, protection, shock absorption and improved handling, and its design and material selection directly affect the performance and comfort of the vehicle.
The automobile ingot beam (also known as subframe) is a support structure located under the engine or the head of the vehicle, which is not a complete frame, but an intermediate component connecting the front and rear axle, suspension system and the main frame. Its main functions include:
supporting role : support engine and gearbox, fixed suspension components.
connection function : as the connection point between the suspension system and the main frame, improve the overall rigidity of the body.
vibration isolation and noise reduction : block road vibration and engine noise, improve riding comfort, common in luxury cars and off-road vehicles.
Structure and material
type : divided into the whole stamping type, welding type, etc., according to the structure can be divided into ingot-beam, frame, pipe beam and so on.
material : Steel for normal models, cast aluminum alloy may be used for high-end models to reduce weight (but at a higher cost).
Significance and potential risks
Safety and handling : The design of the ingot beam directly affects the chassis strength, suspension system rigidity and vehicle handling stability.
deformation hazard : If deformation is caused by collision or heavy load, it may cause engine sinking, suspension offset (such as uneven wheels), chassis strength decline, and even affect driving safety.
Application scenarios and limitations
Applicable models : It is mostly seen in cars and SUVs with load-bearing body design. Non-load-bearing body vehicles (such as trucks) usually do not need subframes.
disadvantages : Increased body weight, racing cars and other high-performance vehicles may be abandoned in the pursuit of lightweight.
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