What Are the Highlights of Radial Bias Tires?

As we all know, today's cars generally use radial bias tires. Different models of cars are equipped with tires of the same structure. Therefore, as a person who often deals with tires, do you know the doorway? Next, I will take everyone into the world of radial bias tires.

1. Introduction of radial bias tires

The world's first radial bias tire was invented by the French company Michelin in 1946, because the carcass cords are arranged in a radial direction like the earth meridian, centered on the wheel axis, from bead to bead. Therefore, this tire is called radial bias tire.

Radial bias tires are relative to bias tires. Unlike traditional bias tires, although the belt cords are arranged diagonally and crossed, they are at a small angle to the center line of the tire crown, and the carcass cords follow the radial direction and the centerline of the inner tire crown is arranged at 90°; Besides, there is the belt ply with cords arranged almost close to the circumferential direction to tighten the carcass.

In order to meet the needs of larger load vehicles, there is an all steel radial bias tire, which refers to the tread part and carcass using steel wire as a reinforcing layer, and the belt ply is made of steel cord, which is generally used on load and construction machinery vehicles.

2. The advantages of radial bias tires

(1) Radial bias tires have strong safety performance

Ask a hundred people what is the first element of a car, most people’s answer must be safety. The structure of radial bias tires is destined to be able to withstand large internal pressure stress. Its tread is not easy to deform, and it has good grip, stability and cushioning performance. The crown part of the tire has a steel belt ply, which is not easy to be pierced by hard objects such as iron nails and steel nails;

(2) Longer service life of radial bias tires

Compared with ordinary diagonal tires, it has the advantages of large elasticity and good wear resistance, which can increase the service life of the tire by 30 to 50%;

(3) Radial bias tires reduce fuel consumption

Its structure will reduce the rolling resistance, thereby reducing fuel consumption.

Of course, radial bias tires also have its shortcomings. For example, because the sidewall is thin and the crown is thicker, it is easy to produce cracks in the transition area between the crown and the sidewall. The large side deformation results in poor lateral stability of the car, and it needs high manufacturing technology requirements and high cost. However, this will not change the dominance of radial bias tires on the market.

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