What are the structure and performance of radial tires?

- Oct 31, 2019-

What are the structure and performance of radial tires?


Radial tire referred to radial tire, some countries called radial tire, X - shaped tire, P - shaped tire or radial tire.


Structural characteristics of


Radial tire tire body cord arrangement is different from oblique tire, as shown in figure 5-5.

Radial tire cord layer and belt band layer of tire crown Angle is different, between the cord layer is not mutual cross arrangement, but close to parallel with the section of the outer tire, like the earth meridian form arrangement, curtain layer cord Angle is small, generally 0?

15°, no point of intersection between fetal cord.

When the tire crown stress increases in the process of driving, circumferential stretch will be caused, and the tire body presents a radial crack. Therefore, the belt belt of radial tire adopts a large Angle cord layer arranged nearly circumferentially, which intersected with the tire cord Angle of 90°, generally taking 70°.

80°, form a nearly impossible to stretch the rigid ring belt, the entire tire tight, limit the circumferential deformation of the tire body, bear the entire tire 60%?

70% of the internal stress, become the radial tire main force components, so called radial tire belt belt layer.

The main stress component of the oblique tire is not on the buffer layer.

90% of the internal stress is borne by the tire fabric layer.


The performance characteristics of


Radial tire structure is reasonable, stress deformation and cord alignment consistent, no dislocation, less internal friction, better than oblique tire performance.

Less curtain layer;

Less amount of glue;

Good wear resistance, traction and buffer;

Good puncture resistance;

Bottom of driving temperature;

Good stability and safety performance;

High mileage and economic benefits.

But the tire side is easy to damage, the manufacturing process is complex and the request is high.