What is a car treasure beam
Subframe/Bracket that supports the axle and suspension
The automotive gold beam (also known as the subframe ) is an important component of the chassis system. It is mainly used to support the engine and transmission, connect the front and rear axles and the suspension system , and also serves as a transitional structure with the main frame. Its core features and functions are as follows:
Definitions and structure
Youdaoplaceholder0 Name origin : It is so named because it looks like a gold ingot. Its foreign name is "crossmember".
Youdaoplaceholder0 Structural features : It is not a complete frame but an independent bracket, usually made of steel or cast aluminum alloy used in high-end models, and is divided into two types: integral stamping type and welded type.
Core function
Youdaoplaceholder0 Support function : To support the engine, transmission and suspension components, and to strengthen the chassis structure.
Youdaoplaceholder0 Vibration and noise reduction : To prevent vibration and noise from being transmitted into the vehicle, enhancing ride comfort (commonly found in luxury sedans and off-road vehicles).
Youdaoplaceholder0 Connection hub : As a mounting point for components such as suspension, stabilizer bar, steering gear, etc., to optimize handling stability.
Damage impact
Youdaoplaceholder0 Risk of deformation : Traffic accidents or heavy-load driving may cause deformation, resulting in engine sinking, reduced chassis strength, decreased handling performance and increased noise.
Youdaoplaceholder0 Maintenance complexity : Replacement requires disassembly of the balance bar, lower boom and other chassis components, but does not directly affect engine performance.
Application differences
Youdaoplaceholder0 Unitized body : Most family cars feature a separate intaglio beam design, which is convenient for individual replacement.
Youdaoplaceholder0 Non-independent body : Some tough SUVs integrate the gold beam with the main frame to enhance off-road performance.
Youdaoplaceholder0 Summary : The gold beam is the "invisible guardian" of the chassis system, and its design directly affects the safety, comfort and handling of the vehicle.
The subframe is a core component of the chassis system, and its function can be summarized in the following three aspects:
Structural support and connection function
Youdaoplaceholder0 supports key components
The Yuanbao beam directly supports the engine, transmission and front and rear axles. It is fixed to the longitudinal beams of the frame through connecting brackets, forming a stable triangular support structure to avoid the problem of riveting hole cracking caused by stress concentration.
Youdaoplaceholder0 Connect the suspension system
As the intermediate connection point between the suspension component and the main frame, it ensures the rigid combination of the suspension system and the vehicle body frame, enhancing driving stability.
Safety and comfort assurance
Youdaoplaceholder0 Noise reduction
Through its steel material and special structural design, it effectively blocks the transmission of road vibrations and engine noise to the cabin, significantly enhancing the ride comfort. This feature is particularly prominent in luxury models.
Youdaoplaceholder0 Collision protection
In an accident, it can absorb and disperse the impact energy, protect the key components in the engine compartment (such as the oil pan), and at the same time enhance the anti-deformation ability of the front area of the vehicle.
Chassis strength reinforcement
By laterally connecting the longitudinal beams of the vehicle body, the Yuanbao beam can significantly enhance the overall rigidity of the chassis, especially when driving off-road or on rough roads, reducing the risk of vehicle body distortion. If deformation occurs, it may lead to inaccurate suspension positioning, abnormal noise or even safety hazards during operation. Regular checks for rust or cracks are necessary.
Youdaoplaceholder0 Summary : The Yuanbao beam is an "invisible guardian" that combines functionality, safety and comfort, and its design directly affects the vehicle's dynamic performance and durability.
If you want to know more, keep reading the other articles on this site!
Please call us if you need such products.
Zhuo Meng Shanghai Auto Co., Ltd. is committed to selling MG&750 auto parts welcome to buy.
