1. Long-term overloading of tractors
Tractor overloaded. Increased tire slip rate accelerates tire wear. At this time, if the pressure of the tires on both sides is different and there is a large difference between them, the wear of tires with low air pressure will increase, and the tires that eat tires will be particularly fast.
Control methods: tire pressure should meet the requirements, hot season may be slightly lower to take the lower limit of the general value. If the tire pressure is too high, the ply will be excessively stretched, causing excessive fatigue or breakage; tire pressure is too low, and the ply is excessively wrinkled and deformed, which can easily cause the rubber layer to separate from the ply. And accelerate the aging and wear of the rubber layer. Therefore, do not overload the tractor for a long period of time to reduce tire slip wear.
2. Trailer traction tripod
According to the determination. When the trailer tripod is not equal to 60 mm. Large tires on one side of the short-shoulder shorten the service life of 1/2, and trailer tires on that side also increase wear.
Control method: Measure the distance from the center point of the tripod pin hole of the tripod to the center of the two front wheels of the trailer. These two distances should be equal. If you do not wait, you must find out the reason and exclude it. when necessary. Re-create an isosceles tripod.
3. Front and rear wheelbases on the left and right sides of the tractor
The wheelbases on both sides of the front and rear wheels are unequal, except for the short wheelbase, which is the side front wheel, which causes wear of the other three tires.
Control methods: Check the wheelbase of the front and rear wheels on both sides by correcting the front wheels and compare the two shortest distances on the outer edges of the front and rear wheels. If not, you should find out the reason. Usually caused by the bending deformation of the knuckle bracket, knuckle shaft, front axle or large axle, it can be removed to correct or replace the new one to restore the same wheelbase of the front and rear wheels on both sides.
4. Unit resonance accelerates large tire wear
If none of the above three problems are found, but the right tire has an abnormal phenomenon of wear of the septum malformation, it is the crew resonance. At this time, the driver only needs to change the position of the accelerator, and do not put the throttle on the speed that can cause the unit to resonate. The tires will “eat†their tires and they will be cured.
In addition, the following points should also be taken into account when using and maintaining the tires:
1) The normal air pressure of the tire is always maintained, but in order to make the tire under various conditions, it can be better used and prolonged its service life. In areas with large road arches, the outside tire pressure of the rear wheel can be increased by 0.02-0.03 mpa from the standard air pressure. In addition, when driving on hard roads, the air pressure may be slightly higher; when encountering soft roads, the air pressure may be slightly lower.
2) When the vehicle starts and brakes, the operation of the clutch and brake must be well coordinated. Try to ensure a smooth start, slow down, and avoid emergency braking. At the same time try to avoid turning small bends to reduce tire wear. Do not overload the loaded cargo. Overloading will increase the deformation of the tire, increase the relative slip with the ground, and increase the wear.
3) Correctly disassemble the tire. Use special tools when installing the tires. Do not hit the tires and steel rings with a heavy hammer. When loading, the inner and outer tires and pads should be clean and dry, and a layer of talcum powder should be evenly coated on the inner wall of the tire, the inner tube and the surface of the tire. Rim, ring, and lock ring should be intact. When installing the tire with the arrow indicating the direction, the arrow must be forward. When the twins are installed together, the small-diameter tire is installed in the internal gear and the two-tire valve is 180°.
4) To make the tire wear evenly. Tire replacement should be used in conjunction with the vehicle maintenance cycle. The “Cyclic transposition†and “Cross transposition†methods should be adopted for transposition. And adjust the air pressure according to the exchanged fetal position.
5) Pay attention to the storage and storage of tires. Tires should be kept indoors in a dry place. Avoid open storage and keep away from fire. Do not store in the same room with acids, alkalis, paints, and organic solvents to prevent corrosion. Tires should be erected on the wooden stand with the tread upright. And regularly change its support point.
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