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Question:

Why aren't tires solid?

Why aren't tires solid?

Answer:

First of all, the aircraft tires are not solid. Most of the aircraft tires use tubeless, double tire tread structure, there is no inner tube. It doesn't mean solid. Two layers of special curtain are added to the tread rubber of the airplane tire, commonly known as "reinforcing cord ply."". With the ply as the boundary, the tread rubber is divided into the outer tread rubber and the inner tread rubber, and when the tyre is worn to expose the second layer of the curtain towel, the tire tread is scrapped. The rubber surface of the aircraft tire is made of wear-resistant and high temperature special material made of steel wire. It is about 20 millimeters thick and has high strength. The valve of the tyre is both sharp and short. It is made of high temperature fluoroplastic and the air intake is unobstructed. Aircraft tires have no inner tube, mainly for disassembly and maintenance, and they can be filled directly to the tire during flight. At the same time, airlines around the world are using high strength magnesium zinc alloy production hub and rim and hub of activity, and the activity of flange joint seal parts, valve and hub sealing ring, can ensure that the air in the tire up to a number of large pressure does not leak, the performance is ordinary tire can not be compared the cost is quite expensive, it.Ten tons of aircraft landing speed to hundreds of kilometers, the weight of the aircraft and the impact force on the ground, the tire rubber surface per square centimeter to withstand the pressure. Newton nearly no such a tire is not enough.
However, the real main tire without inflation, not to puncture under load tire leakage, small deformation, and large load, start small resistance, simple structure, convenient operation and maintenance, so it is suitable for low speed and high load of vehicles, vehicles such as industrial trucks, forklift trucks, cargo a trailer or special purpose. In addition, small solid tires are also widely used in human pull such as cargo handling carts between various kinds of baby stroller, indoor or workshop and assembly in a variety of instruments, testing equipment, household appliances, easy to move indoors. A small solid tire; used as a support wheel in some mechanical rotation. Therefore, solid tires still have a wide range of uses.
Can, but with conditions: solid tyre should be initially force car, later used as the truck tire. The use of tyres on vehicles uses the elasticity of the rubber matrix to weaken and absorb the impact of the wheel when it is turned. As compared with the solid tire tire, the cushioning performance is poor, easy to damage the vehicle and cargo, not suitable for high-speed transport vehicles, and easily damaged roads and power loss, it is gradually replaced by pneumatic tire.

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