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The main function of the driven axle

Release date:

2024-02-26

The driven axle primarily functions to bear the vehicle’s vertical load and lateral forces, while also transmitting the braking force from the rear wheels to the vehicle frame. A driven axle refers to a type of axle that does not transmit power. For example, the rear axle in a front-wheel-drive vehicle serves as the driven axle. Similarly, the front axle in a rear-wheel-drive vehicle is also a driven axle, though it handles steering duties instead of power transmission—this is why it’s commonly referred to as a steering axle. The steering-driven axle, which enables the entire vehicle to turn without a separate drive mechanism, allows the two wheels on either side to pivot at an angle relative to the vehicle frame during steering. In addition to supporting vertical loads, it also bears braking forces, lateral forces, and the resulting moments caused by these forces.

The driven axle's primary functions are to bear the vehicle's vertical load and lateral forces, as well as transmit the braking force from the rear wheels to the vehicle frame.

 

The trailing axle refers to a vehicle axle that does not transmit power. In front-wheel-drive cars, the rear axle serves as the trailing axle. Similarly, in rear-wheel-drive vehicles, the front axle also doesn’t transmit power—it’s a trailing axle as well. However, since it handles steering duties, it’s typically referred to as the steering axle.

 

The steering trailing axle features a vehicle axle that enables steering without a drive mechanism; during steering, the wheels on both sides can pivot at a certain angle relative to the chassis. In addition to supporting vertical loads, it also bears braking forces, lateral forces, and the resulting moments caused by these forces.

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