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The difference between the truck rims 80 and 85
The truck rims 80, 85 refer to the rim diameters. The difference is that the 85 steel ring is 5 cm larger than the 80 steel ring.

Most people know that tires have a life cycle, and they usually pay attention to the problems of tires when they are inspected, but they rarely pay attention to steel rings.

2065438+On August 25th, 2007, in a tire shop in Ningxiang, Hunan Province, Xie Lijun, a 44-year-old boss, was changing the tires of a large truck. When he made a final inspection of the new tire, the tire suddenly exploded and Xie Lijun was blown up on the spot.

It is understood that this incident was caused by the tire explosion caused by the lengthening of the steel ring. Because tire rims also have a certain service life, tires will explode when inflated due to overdue deformation of rims.

2065438+September 2, 2007, on the National Highway 1 10 in Hohhot, Inner Mongolia, when the mobile tire repair master was repairing the tire of a muck truck, the steel ring in the shaft suddenly exploded, causing the tire repair master to fall to the ground!

This is the so-called puncture phenomenon, which is no less harmful than tires. Therefore, the rational use of steel rings, so as to nip in the bud!

According to professionals in the tire industry, the outer diameter of the new vacuum steel ring is 6 1.5 cm. After two or three years of use, it gradually shrinks with the high air pressure of tires and the load pressure of goods.

It is particularly important to note that if the outer diameter of the steel ring shrinks below 59 cm, it must not be used and must be replaced with a new one. Because the new tire is installed on a steel ring with an outer diameter of less than 59 cm, with the increase of air pressure during inflation, the beads will jump out of the steel ring, and the consequences can be imagined!