Presented by Team No1 Topics What is a pneumatic tyre and its drawbacks What is an airless tyre How it works Different design approaches Advantages and disadvantages Applications ID: 569232
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Slide1
AIRLESS TYRE/ NON-PNEUMATIC TYRE
Presented
by
Team No.1Slide2
TopicsWhat is a pneumatic tyre and its drawbacks.
What is an airless tyre?
How it works?
Different design approaches.
Advantages and disadvantages.
Applications.Slide3
Pneumatic tyres
A
pneumatic
, or
air-filled
, tyre is made of an air tight inner core filled with pressurized air.The pressure of the air inside the tyre is greater than atmospheric air pressure, so the tyre remains inflated even with the weight of a vehicle resting on it.It gives a certain degree a cushioning effect as the tyre hits bumps in the road.Slide4
Drawbacks
Puncture or Blowout
.
A
blowout at high speeds can lead to a dangerous car accident.Variations in air pressure changes tyre performance.Can blow out by gunfire or explosion.Slide5
What is airless tyre?
Airless
tyres
or
Non-pneumatic tyres (NPT) , are tyres that are not supported by air pressure.Slide6
continued..Slide7
How it works?
The flexible tread and shear bands deform temporarily as the spokes bend, then quickly go back to the initial shape.Slide8Slide9
Design approach
NASA’S Apollo
Lunar Rover
MichelinSlide10
continued..
Bridgestone
Resilient Technologies, LLCSlide11
Advantages
Eliminates
air leaks or tyre blow
outs.
No
maintenance required.Facilitate recycling.Remains mobile even with some of the spokes are damaged or missing.Durability & Long Life.Can take gunfire or explosion.Less environmental impact.Slide12
Disadvantages
Lack of
adjustability.
Vibration.
Different
Manufacturing technique.Not as economic as pneumatic tyres.Slide13
Applications
U
sed
on some small vehicles such
as riding lawn
mowers andmotorized golf carts.In backhoe or bulldozers.Slide14
continued..
For Military vehicles
Also used in
All Terrine Vehicles (ATV)Slide15
Conclusion
For years, vehicles have been running on pneumatic
tyres
and there was almost a full stop for any further improvement of
tyres
. In 20th century the engineers have come up with a new concept where the tyres never require air, if the drawbacks that are being encountered presently are and improved then there is good future for these tyres. And the vehicles can run without the necessity of air.Slide16