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best Tire pressure .pdf


Original filename: best Tire pressure.pdf
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Tire – is the main wheel’s component that comes in a shape of a ring and surrounds a wheel’s rim.
The purpose of the tire is to transfer vehicle’s load from the axle to the ground through the wheel. Tire
provides traction on the surface traveled over.
The first tires were simply bands of
metal fitted around wooden wheels to
prevent wear and tear, and then rubber
was developed. Early rubber tires
were solid (not pneumatic). Pneumatic
tires are used on many types of
vehicles, including cars, bicycles,
motorcycles, buses, trucks, heavy
equipment, and aircraft. Metal tires
are still used on locomotives and
railcars. Various non-automotive
applications, such as some casters,
carts, lawnmowers, and wheelbarrows
use solid rubber or other polymer tires.
The cords that make up the ply and the
elastomer which encases them are the two groups of materials of which modern pneumatic tires
consists The cords, which form the ply and bead and provide the tensile strength necessary to contain
the inflation pressure, can be composed of steel, natural fibers such as cotton or silk, or synthetic fibers
such as nylon or kevlar. Composed of steel, natural fibers such as cotton or silk, or synthetic fibers
such as nylon or Kevlar, the cords form the ply and bead and provide the tensile strength necessary to
contain the tire pressure The elastomer, which forms the tread and encases the cords to protect them
from abrasion and hold them in place, is a key component of pneumatic tire design. Composed
commonly of styrene-butadiene copolymer the elastomer consists of various composites of a rubber
material with other chemical compounds such as silica and carbon black. Optimizing rolling resistance
in the elastomer material is a key challenge for reducing fuel consumption in the transportation sector.
Most tires, such as those for automobiles and bicycles, are pneumatically inflated structures. These
also provide a flexible cushion that absorbs shock as the tire rolls over rough features on the surface.
To provide a bearing pressure that will not excessively deform the surface tires have a footprint that
is designed to match the weight of the vehicle with the bearing strength of the surface that it rolls over.
Natural rubber, fabric and wire, synthetic rubber along with carbon black and other chemical
compounds are the main materials of today’s pneumatic tire. A body and a thread are parts of a tire.
If the body provides containment for a quantity of compressed air then the tread provides traction.
When the pneumatic tire is mounted on the wheel it supports the rim by two main aspects. The first
aspect is the tension in the cords, which pulls on the bead uniformly around the wheel, except where
it is reduced above the contact patch. Transfer of the net force to the rim through the bead is the second
aspect


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