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Posts Tagged ‘Tire Components’

Sidewall
The sidewall provides the lateral stability for the tire.  The thicker the sidewall, the more stability the tire will posses.  The sidewall also helps to protect the body piles

Cap Piles
Cap piles are only added on high speed tires.  These are extra layers of polyester fabric which helps to keep everything in place.

Body Piles
Layers added to the tire for durability and stability.  The more layers, or plies, the more durable the tire.  Typical car tires have two plies while a jet airliner tire may have as many as 30 plies.

Inner Liner
The inner liner serves as the main surface responsible for containing the air.

Steel Belts
Present in steel-belted radials.  Located under the tread.  Help to provide strength and puncture resistance to the tire.  Also helps keep the tire flat for better contact patch.

Edge Covers
Added pieces of material that serve to shield the inner liner.  These covers help prevent buckling.

Bead Bundle
Consists of a loop of steel wire that is wound around the base of the tire and covered with rubber.  This piece holds the tire in the rim and prevents it from pulling away.  Special precaution is taken to ensure the correct size of the bead and lip of the rim.