The
primary purpose of the tyre is to provide traction. Tyres also help the
suspension absorb road shocks, but this is a side benefit. They must
perform under variety of conditions. The road might be wet or dry;
paved with asphalt, concrete or gravel; or there might be no road at
all. The car might be traveling slowly on a straight road ,or moving
quickly through curves or over hills. All of these conditions call for
special requirements that must be present, at least to some degree, in
all tyres.
In addition to providing good traction, tyres are also designed to
carry weight of the vehicle, to withstand side thrust over varying
speeds and conditions, and to transfer braking and driving torque to
the road. As the tyre rolls on the road, friction is created between
the tyre and the road. This friction gives the tyre its traction.
Although good traction is desirable, it must be limited. Too much
traction means there is too much friction. Too much friction means
there is lot of rolling resistance. Rolling resistance wastes engine
power and fuel, therefore it must be kept to a minimal level. This
dilemma is a major concern in designing today’s tyres. Everyone knows
that tyres are fitted on wheels and wheels along with the tyres roll
down the road. The primary purpose of the tyre is to provide traction
along with carrying the weight of the vehicle. Traction refers to the
amount of grip between the tyre and the road. The tyre must be able to
perform under all road conditions.
in this seminar I intend to cover topics like history of tyres,
different types of tyres and tread designs. I would also like to
mention about tyre repair and maintenance.
