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Adjust the tire pressure.
If the tire pressure is too high or too low, it will cause uneven tire wear and tear, causing the tire to "eat the tire". The tire pressure is too low, and the tire is bent inward, which can easily lead to serious wear on the edge of the tire; If the tire pressure is too high, the middle tread of the tire will wear faster. Therefore, it is necessary to pay attention to ensure normal tire pressure at all times, and it is best to inflate the tire pressure according to the specified tire pressure at the lower corner of the car door.
Regularly balance the wheels of the tires.
If the tire has been repaired many times, or feels that there is a swing, it is necessary to carry out the tire dynamic balance test in time to see if there is a problem with the tire, if the tire is found to be unbalanced and other problems, it is necessary to install a balance lead block to maintain the balance, so as to avoid the phenomenon of "eating tires".
Pay attention to the maintenance and rotation of tires.
General vehicles travel every 5000 kilometers, need to carry out tire transposition, with a diagonal to replace the tire is better, so that the normal maintenance of tires, can make the tire wear more even, can effectively extend the life of the tire.
Regularly align the vehicle's wheels.
Regular four-wheel alignment can enhance driving comfort, reduce gasoline consumption, avoid tire "eating tires", increase tire service life, ensure the stability of the vehicle, reduce the wear and tear of chassis suspension accessories, etc., so try to regularly go to 4S shops or professional repair shops for positioning, generally speaking, it is recommended to do tire positioning at least once a year, or 10,000 kilometers to do positioning. If you have been using the car for a long time, it is best to locate it once every six months or three months, such as taxis and trucks.
Pay attention to check whether the hub screws are strong.
Loose wheel bearings, leaf spring riding bolts not tightened according to regulations, loose suspension, etc., will cause the tires to swing left and right during driving, resulting in abnormal wear and tear of the tires. So when maintaining the vehicle, carefully check the screws around the wheels and on the hub to see if there are any loose ones.
Avoid overloading. The damage to the tires from overloading is very serious, and for the sake of driving safety and prolonging the life of the tires, try not to overload. Be sure to carry people according to the carrying capacity indicated by the car.
In particular, large trailers and other vehicles can be overloaded for a long time, which will cause tires to "eat tires". Trucks should also pay attention to the balance of tire force when loading goods, and pay attention to the balance of tire force when various different goods are delivered together.
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The reason for the shoulder to eat the tire at both ends is that the tire pressure is insufficient or overloaded.
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The reasons why car tires eat tires are summarized.
The reason for the shoulder to eat the tire at both ends is that the tire pressure is insufficient or overloaded.
The reason for the tire crown is that the tire pressure is too high.
The outside of the tire eats the tire, the reason is that the toe or camber angle is too large, the knuckle arm is bent, etc.
The inside of the tire is eaten because the toe-in or camber angle is too small.
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The main reasons for eating tires: First, the tire pressure is insufficient, and the air pressure is too high or too low will cause the tire to be eaten. Second, the front wheel data of the tire is not within the standard range, the toe is too large, too small, the inclination data is incorrect, and the adjustment of the steering machine lever is not in the correct position, which can be adjusted by doing four-wheel alignment.
Third, the tire bearing is open or the ball joint between the chassis suspension is seriously deformed, or the suspension system is deformed due to accidents, which first needs to replace the deformed or worn parts, and then make four-wheel alignment adjustments.
Fourth, the depth of the tire pattern on both sides is not the same, or the deformation of the steel rim will also lead to tire eating.
Solution: 1. Check the air pressure to wear the tires, not only so much, such as excessive braking, loose chassis suspension, etc., will lead to tire wear. Now most of the family cars are front-engine front-wheel drive, relative to the front tire under greater pressure, that is, the driving wheel is also the steering wheel, then the front tire wear is faster than the rear tire, but also prone to eccentric wear.
Therefore, we should check the tire pressure regularly and rotate the tire regularly according to the instructions in the driver's manual, which can prolong the service life of the tire. If abnormal wear and tear is found, the four-wheel alignment should be carried out in time to prevent continued tire eating.
2. Tire transposition, the current tire adopts a tubeless structure, so the tire must be charged to the standard value, and the description of the air pressure value will be found in the driver's manual or the position of the body B-pillar or the position of the fuel filler.
3. Limit the position, otherwise the drainage, braking, and comfort will be reduced. There is also a dynamic balance must be done after the tire is repaired, otherwise the wheel swing will also lead to wear.
Photo by Car Chooser) NIO EC6 Xpeng P7 Marvel R VOYAH Free Audi A4L Model Y @2019
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No, both sides will eat the fetus. The car should be symmetrical, regardless of the positive or negative camber angle and beam angle.
Automobile deviation is the process of driving in a straight line on a flat road, and the car deviates to one side by itself, resulting in the inconsistency between the center line of the front and rear axles and the center line of the driving trajectory. If the deviation is light, it will cause tire gnawing and tire scrapping, and at worst, it will cause tire bursts, vehicle loss of control and other dangerous conditions.
Reasons for deviation] 1. Tire loss.
An imbalance in the pressure of the tires on both sides of the vehicle can directly lead to mistracking. The principle is very simple, if the air pressure of the tires on both sides is uneven, the area of their contact with the ground is also different, and on the normal road surface, the friction of the tire with low air pressure is greater, so in this case, the vehicle will deviate to the side of the tire with air loss. If you find that you have mistracked, it is recommended to first check whether the air pressure of the tires on both sides is normal.
Second, four-wheel alignment.
For vehicles that have been driven for a period of time, changes in wheel alignment data can also lead to mistracking. Especially for vehicles that often walk on potholes and on and off the road, the parameters of four-wheel alignment are more likely to change.
Third, there is a problem with the braking system.
Not long ago, my colleague's car had this problem, with a slight deviation to the right when driving, and even more so when braking. After inspecting the vehicle, it was found that there was a problem with the brake cylinder of the right front wheel, which caused the brake pads to not return normally, which is equivalent to the right front wheel has been in a state of slight braking, resulting in deviation. Friends who encounter similar situations should also pay attention to whether the wear of the brake cylinder and the brake pads on both sides is uniform.
Fourth, chassis problems.
Mistracking can also be caused by changes in the main components of the chassis, which can be due to wear and tear caused by daily driving, or due to frame deformation caused by accidents. If there is a change in components such as the lower swing arm or the gap is too large, adjusting or replacing the parts can be solved; If it is caused by the deformation of the car body and the damage to the frame caused by the accident, it is more serious, and it is necessary to replace parts in a large area or even to correct the frame before it can be fully recovered.
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Wrong. In order for tires to have uniform friction, they need to cooperate with camber and bundle angles.
Negative camber angle with positive toe angle, negative camber angle tire rubs the inside, so we use the positive toe angle, so that the tire skims the inside, which will rub the outside of the tire, so that we can rub the tire evenly.
This is the principle of uniform friction, plus or minus is zero. Cancel each other out!
The car should be symmetrical, regardless of the positive or negative camber angle and beam angle.
The camber should be negative anyway (outside eight) because it has a strong grip in corners! But the car will also use a negative beam angle, and the negative angle has a tendency to handle flexibly and oversteer, and this negative setting will bring the performance to the extreme, but the tires are wear-resistant... In civilian cars, they are all eating tires, and they are eating on the inside!
If the camber angle is negative, then the beam angle must be positive. Symmetry is OK, 1 degree to 3 degrees is recommended.
The beam angle is big and small, and the direction is heavy, and if it is small, it will drive like a luxury car, suitable for running at high speed. If it's too big, it will steer tighter at low speeds and lose power. Not too big, not too small, 3 degrees is the most moderate.
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It is recommended to give priority to checking whether the vehicle's four-wheel alignment data is accurate.
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