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Question:

How are the tires classified

How are the tires classified?

Answer:

The section can be divided into narrow base tire, wide base tire, ordinary section tyre, low profile tyre and extra low section tyre.
The general characteristics of tire cord fabric layer and buffer layer is adjacent cord cross arrangement, each layer of cord and crown center line into the 350~400 angle, and is called tire. The cushion layer is between the ply and the tread.The ply of a radial tire is arranged at 90 degrees or near 90 degrees across the center line of the tread, and the cord is distributed like the meridian of the earth, hence the radial tire. Between the ply and tread is a band of plies. The angle between the ply cord and the center line of the tread is 10 degrees -20 degrees.
Tread patterns can be divided into ordinary pattern tires, cross-country tread tires, mixed tread tires:Ordinary pattern of fine and shallow, suitable for relatively good hard pavement.The utility model has the advantages of deep and deep concave, good adhesion with the ground on the soft road, good off-road capability, and is applicable to the ground conditions such as mines, construction sites, etc..The mixing pattern is between the common pattern and the cross-country pattern. The middle part is diamond shaped, zigzag or pipe shaped. The two sides are horizontal cross-country, which is suitable for the road running between the city and the country.
From the design perspective, bias tyre has many limitations, such as cord cross strong friction, easy to make the matrix heat, so the accelerated wear tread, and the curtain line layout is not good enough to provide excellent handling and comfort; and irregular steel ribbon in radial tire it has good flexibility to adapt to the impact of the road, and durable, it also means that the fabric structure is much smaller than the oblique line friction in the car, which has long service life and better tread fuel economy. At the same time, the radial tire itself makes it possible for the tyre to have no inner tube. Tubeless tire has a recognized advantages, namely when the tire is punctured, unlike a tubeless bias tyre burst (as this is very dangerous), but to make the tire can maintain pressure within a period of time, improve the safety of driving a car. In addition, the radial tire has better grip ability than the inclined line tire. Because the radial tire has the above advantages compared with the inclined line tire, it is now widely used in the car radial tire.
Tires can be divided into tube tires and tubeless tires by composition:Some pneumatic tires have no inner tubes, so they are called tubeless tires. Through the air valve pressure directly into the tire, so the sealing requirements between the rim and the tyre. Tubeless tires are similar in appearance to ordinary tires. The difference is the inner tire tubeless tires attached to a layer thickness of 2 ~ 3mm special rubber seal used to seal gas layer. Tubeless tire in perforation, the pressure will not be a sharp decline, is conducive to safe driving, tubeless tire does not exist between the inner and outer tyre wear and stuck, its tightness is good, can be directly through the rim heat, the temperature rise of paper, long service life, simple structure, light weight. The disadvantage is that the road is broken and repair is difficult.

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