Views: 90 Author: Site Editor Publish Time: 2020-02-11 Origin: Site
Tire usually consists of outer tube, inner tube and cushion belt. There is also a rubber layer with good air tightness in the inner layer of the tire without inner tube, and a special rim is required. The tire structure of all countries in the world is developing towards tubeless, radial structure, flat (the ratio of height to width of tire section is small) and lightweight.
The outer tire is composed of carcass, buffer layer (or belt layer), tread, sidewall and bead. The section of outer tyre can be divided into several separate areas, crown area, shoulder area (tread slope), flexion area (sidewall area), reinforcement area and bead area.
It is also known as fetal body. A whole pneumatic tyre consists of one or more plies (of strength, softness, and elasticity) and a bead.
It is a layer composed of side-by-side rubber cord in the carcass. It is the stress skeleton layer of the tyre to ensure the necessary strength and dimensional stability of the tyre.
The part of the tire, installed on the rim, is composed of bead core, cord binding and bead binding. It can bear the stretching tension caused by the internal pressure. At the same time, it can overcome the lateral force of the tire in the turning driving, so that the outer tire does not come out of the rim. Therefore, it must have a high strength. The structure should be tight and solid, not easy to deform.
The carcass shall have sufficient strength and elasticity to withstand strong vibration and impact, and bear multiple deformations caused by radial, lateral and circumferential forces acting on the outer tyre during driving. The carcass is composed of one or more layers of rubber cord. It can make the carcass and the whole outer tyre have necessary strength.
The rubber cord or rubber layer is between the tread and the carcass of a bias tyre, which does not extend to the intermediate material layer of the bead. It is used to buffer the external impact force, protect the carcass and enhance the adhesion between tread and ply. The buffer layer of radial tire is generally called belt layer because of its different functions. Under the tread base of radial tyre, the material layer of the tire body is clamped in the circular direction of the center line of the tire crown.
It is the outermost rubber layer of the outer tyre in contact with the road surface. The tread is used to prevent the tire from mechanical damage and early wear, transfer the traction and braking force of the car to the road, increase the grip between the outer tyre and the road (soil), and absorb the vibration of the tire during operation.
The part of the tread that the tyre directly contacts with the road during normal driving is called the driving surface. The surface of the driving surface is composed of pattern blocks and grooves of different shapes, and the protruding part is pattern blocks. The surface of pattern blocks can increase the grip force of the outer tyre and the road (soil) and ensure the necessary anti sideslip force of the vehicle. The lower part of the groove is called the tread base, which is used to cushion shock and impact.
The sidewall is the rubber layer of the outer layer of the tyre side ply, which is used to protect the carcass and has elasticity.
The tyre bead is the part of the tyre which is installed on the rim. It is composed of the tyre bead core and the tyre bead cloth to fix the tyre. The tire specifications are expressed in the dimensions of outer diameter D, bead inner diameter or rim diameter D, section width B, and flat ratio (tire section height H / tire section width B), generally in inches (in) (1in = 2.54cm).
It is the part of the outer side of the bead that is in contact with the fillet of the rim bead seat.
It is the bead part made of steel ring, triangular rubber strip and bead core cloth.
It is a rigid ring made of copper-plated steel wire, which is the main part to fix the tire to the rim.
It is the single ring or multi ring rubber edge molded at the junction of sidewall and bead, usually used to indicate that the tire is correctly assembled on the rim.
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