Free Academic Seminars And Projects Reports

The silent evolution of tires
The continuous improvement of safety, durability and performance is the major drive in the worldwide
tire industry. Combinations of aramid, nylon 66 and rayon result in stronger tires with lower rolling resistance and improved cut resistance. Thus the use of high performance fibers plays a major role in the evolution.

Motorcycle tires:
Aramid is excellent in cut belt radial motorcycle tires. The wind-on belt tires perform well. Drivers

of touring bikes focus on the durability of their tires, for
drivers of sports bikes grip is the most important factor.

Aircraft tires:
The major trend in aircraft tires is the ongoing radialization
. All new military fighter aircraft will be

fitted with radials and many military aircraft originally fitted
with diagonal ( bias ) tires are now being retrofitted with
radials. Aircraft tires operate

under high loads hence the cords are subject to high

compressive loads. and hence safety should be a major factor. Aramid with its high impact strength can

also play a role in increasing the resistance against FOD

and thus in increasing the safety of aviation.

The Strategy of Innovation:
The resources destined for research and
development activities account on average for over 4% of the consolidated turnover, of the tyre industry. The MIRS (Modular Integrated Robotized
System) is an advancement in the tyre manufaqcturing industry. It is is a highly robotized system
for the manufacture of small batches of
products: based on the concept of highly
flexible production modules that may be
located strategically according to the
demands of the reference market with a
high degree of automation. also it helps in efficient operation even in countries in
which the cost of labour has significant
weight.

Run flat tyres
an innovative range of run-flat tyres based on a self-supporting technology that permits the tyre to be used safely even in the case of a loss of pressure. by eliminating the joints in thebuilding phase of the tyre permits particularly high reliability to be obtained from tyres.

Tyre pressure sensors and automatic re-inflation
through the insertion of a sensor in
the valve cap reveals in real time any tyre
pressure anomalies and communicates them in various ways to the driver, and the state of the tyre is communicated to the vehicle s on-board computer. a sensor
placed beneath the tread transmits data on
the state of the tyre to the vehicle s on-board
computer which is a system called the cyber-tread.

For more details:

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http://pirellityreweb/technology/innovat...fault.page

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.

TYRES
To most people tyres are air filled rubber rings a car runs on. But for the more analytically minded a tyre can have several definitions. Geometrically, it is a torus, mechanically it is a flexible membrane pressure container, structurally a high performance composite and chemically, a tyre is composed of long chain macromolecules. Every one of you in your life time have encountered with tyres in the form of punctures replacement sets and also in many other form, but, most of the people are not aware of what comprises the tyres or what actually a tyre is? So in order to entails what tyre designers and manufacturing company does today, my seminar takes you to the history, design aspects of automobile tyres. It will also help you in reading a tyre.

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