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What is the structure of a tire?

1 Answers

StVincent

07/29/25 4:15pm

Tire structure is detailed into the following aspects: 1. Tread: The contact surface between the tire and the road, featuring excellent wear resistance, high-temperature heat dissipation, good resistance to road and tire pressure, and puncture resistance. 2. Carcass: The cord ply in the tire, also the main stress layer between the tire and the ground, with good flex resistance. 3. Belt layer: The steel cord ply between the tread and the carcass, protecting the carcass, restraining tread deformation, maintaining the tread's contact surface, and improving wear resistance and tire stability. 4. Cap ply: A special cord layer on the belt layer, restraining the movement of the belt layer during tire operation, preventing the belt layer from separating from the tire, and maintaining tire stability at high speeds. 5. Bead: Made of rubber-coated steel wires wound in a specific shape, its role is to mount the tire onto the rim and secure the tire. 6. Apex strip: Filling material on the steel wire ring in the tire, preventing the bead from dispersing too much, cushioning bead impact, protecting the bead, and preventing air ingress. 7. Inner liner: A component of tubeless tires that maintains airtightness, made of special rubber, serving the function of an inner tube.

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