Shandong Linglong Tire Co., Ltd. has successfully developed a 57×25.00-27 L-5 steel wire belt biased special mining tire, which is mainly used for special mechanical vehicles for downhole operations in mines. The tread surface of the tire is designed with an ultra-deep pattern, and the tread rubber adopts a new system of raw rubber, filling and protection against the bad working conditions of the tire. The wear resistance and cut resistance of tires are improved by more than 150% compared with ordinary tires. In the construction design, the tire carcass adopts the advanced technology of the steel cord belt layer structure, boldly borrows the all-steel tire structure on the basis of the bias tire carcass structure, and the steel belt layer is implanted at the nylon buffer layer to form a composite buffer. With the structure, the tire anti-sagging performance is improved by more than 200% compared with the ordinary tire, and the service life is improved by 70%~100% compared with the ordinary tire.
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