It is especially important for semi-trailer drivers not to treat tires improperly. Tires are the guarantee of our driving and have a direct relationship with our lives. So how often should they be replaced?
How often do semi-trailer tires need to be changed?
It is especially important for semi-trailer drivers not to treat tires improperly. Tires are the guarantee of our driving and have a direct relationship with our lives. So how often should they be replaced?
On the side of the semi-trailer tires, there are tire specifications, trademarks and factory name standard wheels, production number and maximum load code, etc. printed by the impression, and the "△" mark is stamped on the tire shoulder along the circle and Friday. This sign is the tire wear warning sign.
When the tire tread is worn to 6mm from the bottom of the groove, the local groove begins to break, thus showing a clear crack. Thereby prompting the driver that the tires must be changed.
The tire wear indicator is not only a guarantee for the safe running of the tire, but also serves as a basis for checking whether the tire is properly worn. When the semi-trailer reversing training tires show abnormal wear, the tire wear indicator can clearly show the corresponding rules for the wear limit of semi-trailer tires in various countries around the world: the American regulations The wear limit of semi-trailer tires is the depth of grooves Not lower than the Japan Automobile Tire Association's standard rule: The wear limit of tires for trucks and passenger cars is the wear limit of tires for passenger cars. The wear limit of radial tires for cars is my country's national standard. As we all know, the crown surface of automobile tires not only protects the carcass from the impact of the road, but also maintains a certain adhesion with the air.
The adhesion between the tire and the road depends on the friction between the tire and the road. As long as the adhesion is good, it is enough to maintain a good braking effect. The size of the adhesion between the tire and the road depends on the value of the adhesion coefficient between the tire and the road.
The adhesion coefficient value is not only related to road conditions, vehicle speed, etc., but also related to the type of tire pattern. The wear level of the tire pattern has a direct impact on the safety of the semi-trailer. Especially on wet roads, the tire pattern is closely related to driving safety, so attention must be paid to the height.
As the depth of the entire tire tread gradually wears down, the adhesion performance of the tire will gradually decrease, and the braking interval will increase nonlinearly and sharply, especially on wet roads.
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