What do you know about four-wheel alignment?

 What is four-wheel alignment?

There is a certain relative position between the four wheels of the vehicle, the steering mechanism, and the front and rear axles. The relative position is the standard value specified by the manufacturer. The installation to adjust and restore this position is the four-wheel alignment.

Why does the vehicle need to be four-wheel alignment?

Carrying out four-wheel alignment can ensure the straightness of the vehicle, driving stability and automatic steering function, etc., reduce tire wear, and avoid multiple failures of the vehicle.

Under what circumstances need to do four-wheel alignment?

Four-wheel alignment is different from maintenance and is a means of maintenance. There is no need for four-wheel alignment for the vehicle if there is no problem. Generally, it is recommended to do four-wheel alignment for the vehicle in the following situations:

A) The vehicle is off track

When the vehicle turns left or right involuntarily, it needs to keep the steering wheel straight to keep driving straight.

B) Tire wear is serious

Partial wear of tires

C) After the vehicle accident

The accident caused damage to the chassis and suspension.

D) Every 20,000 kilometers traveled



Rugged roads or manhole covers can cause certain damage to the driving tires. Therefore, it is recommended to do four-wheel alignment every 20,000 kilometers.



Several important parameters about four-wheel alignment

Caster angle

The axis of the kingpin is inclined backward in the longitudinal plane, forming an angle with the plumb line.


King pin inclination

The axis of the kingpin is inclined inward in the transverse plane, and the angle formed by the vertical line


Front wheel camber

The angle between the center line of the wheel and the plumb line


Front toe

The difference in the distance between the front face and the rear face of the front wheel




About the principle of 3D imaging

Install the target on the four wheel hubs of the vehicle, and roll the wheels. The 3D digital camera will continuously photograph the geometric figures on the target. The computer will analyze and calculate the changes in the geometric figures to find the “vehicle positioning reference plane”. According to the corresponding relationship between "wheel plane" and "positioning reference plane", the corresponding positioning parameters of wheels and chassis are obtained.


Mobile smart four-wheel aligner

The 3D adaptive tracking system can automatically adjust the height of the camera beam according to the height of the lift or target.

The vehicle can be lowered to a low position to detect data, and the lift can be adjusted after raising it, which is simple and convenient, and greatly improves the user experience.

It can accurately measure the body chassis parameters and tire diameter, which is convenient for customers to judge the car chassis and tire wear.


https://www.cx5auto.com/products/cx5-300-precise-3d-wheel-alignment-with-ce-certificate-30




https://www.cx5auto.com/products/cx5-500-wheel-alignment-3d-camera-space-wheel-aligner-four-wheel-33



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