The car wheel hub unit is the transmission part that connects the car suspension mechanism and the wheels, playing a crucial role. The following is a detailed analysis of the role of automotive wheel hub units:
Supporting and bearing weight: The wheel hub unit is installed on the wheels of the vehicle and can support and bear the weight of the wheels as well as the load from the road surface. It provides stable axle support through internal and external bearings, allowing the wheels to rotate smoothly.
Power transmission: The wheel hub unit is the connection point between the wheel and the vehicle transmission system. It transmits the power generated by the engine or electric motor to the wheels, enabling the vehicle to move.
Provide suspension support: The wheel hub unit is combined with the vehicle's suspension system to provide suspension support for the vehicle. It can alleviate the vibration and impact caused by uneven road surfaces, providing better ride comfort and stability.
Radial and axial load bearing: The hub unit bears both radial and axial loads simultaneously, which is a very important safety component.
Monitoring and control: Some modern wheel hub units also integrate sensors, such as wheel speed sensors, bearing temperature sensors, etc. These sensors can monitor real-time information such as wheel speed and temperature, and send it to the vehicle's electronic control system for the operation and control of functions such as ABS (Anti lock Braking System) and traction control.
Sealing and protection: The wheel hub unit is equipped with sealing rings and other sealing components inside, which can effectively prevent dust, moisture, and other impurities from entering the bearing components and maintain good lubrication and operation. This helps to extend the service life of the wheel hub unit and reduce maintenance requirements.
In addition, the quality of the wheel hub unit will also affect the size of the brake specifications and the selection of tire specifications. The larger the wheel hub, the larger the brake system can be released; The wider the wheel hub, the more high-performance widened tires can be used.
In summary, automotive wheel hub units play multiple important roles in supporting, transmitting power, providing suspension support, monitoring and control, sealing protection, and affecting brake and tire specifications in vehicles. They have a critical impact on the performance, safety, and comfort of vehicles.