How often is the best time to replace the tires

I believe many people know that car tires will slowly age after running for a period of time. As the driving distance increases, the tire groove shape becomes shallower, the grip is weakened, the braking distance increases, and safety decreases. In addition, when the tread is flat, the inner tube of the tire decreases, which not only increases the braking distance, but also increases the braking resistance. If the tread is uneven, it will cause idling, increase driving resistance, and naturally increase fuel consumption, so it is very important to replace the fetus in time.

How long is the tire replacement cycle? Usually the auto repair shop will tell you that the tires should be replaced in about three years. In fact, if there are no such problems in normal driving, there will be no problems in five years. However, the time period for tire replacement is related to many factors and must be specifically analyzed:

1. Vehicle operating frequency

For family cars, except for occasional work and weekend outings, they are rarely used, and the tire replacement time period can be extended appropriately and replaced every five years.

For commercial vehicles, if you often go out for driving, you must shorten the tire replacement period, usually about 4 years.

2. The use environment is also related.

For example, a car is parked outdoors for a long time in the sun, often in wind and rain, and tires are aging quickly. If the car is often driven in saline-alkali land, the salt-alkali corrosion of the tires will be more serious, so the cycle of replacing tires should be shortened. The tires are usually replaced in about three years.

3. Driver's driving habits

Some drivers are used to accelerating or braking quickly while driving, and some drivers will step on the accelerator on the spot, and the tires will emit black smoke on the spot. These bad habits are harmful to the tires. The tire change cycle should be shortened accordingly. If you play drifting, the tires will burn more severely, and you need to replace the tires in less than a year.

If there are the following situations, even if it hasn't been a year, it should be replaced in time.

1. Bulge 2. Cracks 3. In a short period of time, tires have been punctured continuously, repaired or punctured by larger hard objects.

These types of tires have the possibility of puncturing at any time. If the tires suddenly puncture, it is very dangerous and must be replaced immediately.


2021/06/22 09:04
tires

What is wheel balance?

By adding counterweight to correct the tire and stick a balance weight on the edge of the wheel hub, we call it wheel dynamic balance.

When performing dynamic balancing, a dynamic balancer will be used to display the data. The larger the value, the more unbalanced the wheel. When the value is 0, it means that the wheel has reached the best dynamic balance.

Why do dynamic balances?

The wheel is composed of tires and rims, but due to various reasons, the mass distribution of the entire part cannot be very uniform. When driving at high speed, the centrifugal force is unbalanced, which endangers driving safety.

When is dynamic balancing performed?

1. Change the tire status, such as replacing a new tire, or patching the tire when repairing a tire;

2. Change the status of the rim, such as replacing the rim with a new one, or the rim is knocked out of shape;

3. The relative position of the tire and the rim has changed, such as when changing a tire, repairing a tire, changing a tire or adding a tire pressure monitor, the tire must be removed and reinstalled, but the position has changed;

4. The original balance weight falls off;

5. Due to other comprehensive reasons, the original dynamic balance fails, and the wheels shake when driving at high speed;


2021/06/21 11:45
tires

Tires are the core to ensure the safe operation of vehicles. Many people are unique in buying a car, but they don’t know how to choose suitable tires. In fact, it’s easy to choose a tire. You can see which one is your choice by looking at the pattern.

The tire pattern affects the characteristics of the tire. There are several types of patterns that are more common on the market today: symmetrical/asymmetrical patterns, and horizontal/longitudinal patterns. Among them, the symmetrical pattern mainly focuses on quiet and comfortable performance, and the asymmetrical pattern is the sporty characteristic; the transverse pattern improves the braking characteristics of the tire, and the longitudinal pattern helps the tire to reduce noise, drag, heat and drain.

Everyone has understood that the asymmetrical pattern can improve the sporty characteristics of the tire, increase the contact area between the tire and the road surface, and improve its grip. The asymmetrical pattern design is selected, which greatly improves the cornering rigidity of the tread, enabling the tires to grip the ground stronger and more resistant to wear.

In addition to the delicate design of the pattern, the tread pattern stiffness analysis technology is also used to improve the rapid response characteristics of the tread. The cap layer is made of high-rigidity aramid material for multiple windings, so that the rear tire will not It will skid, especially the improved bead design can also reduce the risk of tire laps, and further enhance the tire's sports characteristics, allowing the driver to control the tires flexibly, making quick turns more stable.

The transverse pattern can increase the transverse rigidity of the tire, increase the friction force, and enhance the braking function of the tire. The 3D bionic blade coupling groove design increases the tire’s ground contact area. The sharp pattern groove allows the tire to pierce the water film instantly when driving over the watery road, improving the tire’s wet grip and presenting a quick and stable wet start and control. Dynamic characteristics.

The characteristics of the tires are not only affected by the pattern type, but also change due to the order of the pattern blocks. According to the improvement of the pattern spacing and the chaotic arrangement of multiple rows, the tire noise can be effectively reduced, and in addition to achieving maneuverability and grip, it can also keep the cabin environment quiet and comfortable.

There are many types of tire patterns, but they all have a clear division of labor. The combination of different types of patterns can make up for the lack of tire characteristics to a certain extent. When choosing a tire, recognize the pattern on the tire and choose the one that is suitable for you to ensure that the tire can conform to your driving habits.


2021/06/17 15:31
How to choose the right car tires

The journey of a thousand miles begins with a single step, and the importance of tires to the vehicle is obvious. Choosing good tires will enhance driving maneuverability and improve riding comfort to a certain extent. But in fact, the choice of tires is also said, and many riders do not understand this common sense, resulting in the process of buying tires will only be generalized and even be severely "slaughtered." Therefore, now I will give you a brief explanation of some small knowledge about tires.

Just as vehicles have grade classification standards, tires also have consistent quality grading mandatory standards. And this mandatory standard for quality grading is called the 3T index value.

The 3T index value includes the tire wear resistance index value (TREADWEAR), traction characteristics (TRACTION) and temperature index value (TEMPERATURE). For example, in terms of traction characteristics, it can use four levels of AA, A, B, and C to distinguish the traction characteristics of the tires. If the traction characteristic is AA grade, it means that the tire has strong grip. On the other hand, if the traction characteristic is C grade, the grip is extremely weak. For example, the tire temperature index value is evaluated by three grades of A, B, and C, and the temperature index value is A. Grade indicates that the tire has excellent high temperature resistance, while a temperature index value of C indicates that the tire has poor high temperature resistance.

Unlike the other two index values, the wear resistance index value of tires is not as high as possible. If the tires have a high level of wear resistance, the comfort of driving the car will be greatly reduced. Because the wear-resistant tires will be harder and the cushioning performance of the tires is not very outstanding. Under normal circumstances, especially for family cars, it is more appropriate to choose a tire wear resistance index value of 280-320.


2021/06/17 15:09
tires

In fact, every driver in the process of buying a car or a garage, the maintenance staff will provide some suggestions. Especially for the suggestion that the tire components should be replaced on time, then, how often should the tires be replaced? In fact, there is no fixed time limit for the frequency and time of tire replacement. Instead, it depends on the actual usage of the tire. Generally, you can observe whether the damaged mark is exposed, how long the manufacturing date is, and how far the mileage is. And whether the tire has experienced damage and other aspects to be measured.

How often should the tires be replaced? Damage identification of side tires is very important

At the beginning of the design of the tire, there is an identification mark for its replacement cycle. Therefore, there is a simple and convenient way to easily identify whether a tire is to be replaced, and that is to observe the damage indicator of the tire.

When looking at the tire, it is very easy to see that there are raised squares in the pattern grooves, which are the tire wear indicators. If you can see a small spot on the raised square, it means that the tire does not need to be replaced; if the small spot is no longer found, it means that the depth of the tread groove is less than 1.6 mm, and you must consider replacing it; Even the raised squares are not found, which means that the tread depth is far below 1.6 mm. Be sure to replace the tires immediately, otherwise there is a serious safety risk.

How often should the tires be replaced? Keep in mind the best use time limit

The general auto shop will let you replace the tires in about three years, but there are also car repair shop personnel who indicate that the replacement will be fine within five years. This is because everyone's driving style, mileage, and road conditions are different, so the degree of damage to the tires is different, so the replacement cycle also changes. However, because tires are made of rubber, and rubber products will inevitably age, it is recommended that tires be replaced within five years from the date of manufacture.

How often should the tires be replaced? Judge tire life by mileage

The longer the mileage of the vehicle, the greater the tire wear and the shorter the time to replace the tire. This is easier to understand. Under normal driving conditions, the service life of tires is between 40,000 and 60,000 kilometers, and they must be replaced if they exceed them. But this is also measured on a smooth paved road. If the vehicle is driving on rugged mountain roads or bad terrain for a long time, then it is necessary to consider replacing the tires within a shorter mileage. However, in daily life, it is difficult to ensure that the vehicle travels such a long distance on the same road condition, so the actual situation still depends on the actual damage of the tires.

How often should the tires be replaced? Tire damage affects replacement time

If the tires are damaged, the tire replacement time can no longer be judged based on the above statement. Instead, the tires can be flexibly changed according to the degree of tire damage. If the tire tread, shoulder, sidewall, etc. are scratched, bulged, cracked, deformed, or pierced into steel nails, it needs to be replaced on time. Otherwise, it is very easy for the tire to blow out and cause road traffic accidents. Drivers pose a risk.


2021/06/17 14:26
tires

Summer is a frequent occurrence of tire blowouts, so many drivers are trying to extend the use of tires, and replacing run-flat tires is one of the methods.

1. What is a run-flat tire

The scientific name of the run-flat tire is "Run Flat Tire", which is abbreviated as RSC in English. The explosion-proof tire consists of a tire, a common inner tube, a spare inner tube, a steel rim, a gas generator (or air storage cavity), a pressure sensor and a control unit. All tires with the RSC mark are run-flat tires.

2. Does the run-flat tire really not burst?

In fact, it’s not that the tire will blow out, but the probability of a tire blowout is much smaller. Even if the tire is blown out, the flat tire can maintain its original shape and continue to drive. When the air pressure is increased, the driver can be pressed down and deviated to one side, so the driver can control it better. This solves the problem of uncontrollable tire burst when the vehicle is driving at high speed for a moment, and the risk is greatly reduced.

Third, the advantages and disadvantages of run-flat tires

1. Advantages

Explosion-proof tires have thicker sidewalls, and some tough components are added in the manufacturing process. This also makes the wear-resistant tires more excellent, so its service life concept is longer than ordinary tires. And it has a stronger safety factor than ordinary tires. There is no need to attach a spare tire. After detecting a leak, you only need to drive safely to the car repair shop at a slow speed.

2. Disadvantages

The total weight of run-flat tires is large. If the vehicle is equipped with four run-flat tires, it is equivalent to the total weight of one more person; due to the reinforced design of the sidewall, the comfort of the tires will be worse than that of ordinary tires; the repair of run-flat tires is very cumbersome In particular, it is very difficult to remove the tire from the wheel hub. Therefore, at this stage, all the run-flat tires are directly replaced after being punctured, and the use cost is increased.


2021/06/16 15:27
tires

Tires have long been an area of concern to many drivers. Nowadays, many drivers are gradually discussing the width of the tire. The width of the tire refers to the total width of the tire tread.

The difference between wide and narrow tires

Suitable car models are different: wide tires are usually used for high and mid-range car models, while narrow tires are more commonly used for normal car models.

Suitable wheels are different: wide tires are installed on large wheels, while narrow tires are usually installed on small wheels.

The sidewall height is different: narrow tires are thicker, while wide tires are relatively thinner.

The price is different: wide tires are more expensive than narrow tires.

Compared with narrow wheels, wide cars have more treads, more contact area with the road, and more friction, so the grip will be stronger, but the fuel consumption and tire noise will be more;

Relatively speaking, narrow wheels are more economical and practical than wide wheels, and the price is relatively more cost-effective. Because of the small ground contact area, the friction is smaller, and the vehicle speed-up function will be better, resulting in less tire noise, and driving It's lighter and more fuel-efficient. However, the grip of the narrow wheels is slightly weaker, and it is not as good as the wide tires in terms of braking function and maneuverability.

Widened tires do more harm than good to the car

Under normal circumstances, the widening of the tires will make the chassis appear lower, and the overall grade of the vehicle will be improved. Many drivers will transform the original narrow wheels into wide wheels. However, tire widening will have a certain impact on the vehicle. While tire widening improves maneuverability and grip, it also increases resistance and fuel consumption to a certain extent, which will make the orientation heavier and improve steering. radius.

In addition, the widening of the tires requires an increase in the size of the wheel hub, which is an illegal modification, which cannot pass the annual review. Therefore, many factors need to be considered for tire widening, and it is recommended to make reasonable modifications after weighing the pros and cons.


2021/06/11 14:15
How to choose tires

At first glance, the tires are inconspicuous. The black rubber ring looks different, but the real selection is exquisite. Getting the right tyre is not easy. How should I choose?

When selecting a tyre, the first thing to learn to see the tyre specifications, such as 235/55R20, representing the section width of the tyre is 235mm, the flat rate is 55%, the structure is a radial tyre, the rim diameter is 20 inches, in general, as far as possible to select the same tyre specifications and models as the old tyre.

Second, you should learn to see the date of the factory. After the DOT mark on the tire side, there will be a string of alphanumeric letters. The first two digits are the number of weeks of manufacturing, and the last two digits are the year of manufacturing.

Finally, we should pay special attention to the tire grain. The change of grain design will affect the characteristic performance of the tire. Therefore, different grain can strengthen the characteristic ability of the tire specifically?

Nowadays, many young people buy cars in pursuit of the sense of control. Good control means that no matter what the driver does, the vehicle can achieve the same as the driver's expectation, which has strict requirements on the tire. In order to improve the handling of the tire, the tyre is designed with asymmetric grain. Different from the symmetrical grain, the asymmetric design increases the contact area between the tire and the road surface and improves the grip, so the motion characteristics of the asymmetric grain are relatively more prominent.

In addition, this type of tire also adopts high stiffness aramide material to carry out multiple tightening and winding on the crown layer, which can prevent the crown from protruding and improve the sideslip resistance of the rear tire when turning at high speed. Moreover, it has a specially strengthened bead design, which can reduce the risk of the sideslip caused by the side force, so that the sense of handling and the safety factor are significantly enhanced.

Many drivers will check the weather conditions in advance before going out to prevent extreme weather, but if it is suddenly in the middle of the storm, we have only a hard head forward, but with the assistance of asymmetric grain tyres, no matter how large the rain can not stop us from moving forward. On the tread pattern of this tire, 3D bionic blade coupling groove is designed, which can instantly Pierce the water film between the tire and the pavement water, and increase the contact between the tread and the road, further strengthen the grip of the wetland, so that the wetland braking and starting can be more stable, brave the wind and waves in the storm, and move forward bravely.

The tire pattern design, will not only affect the vehicle control, grasp the ground and brake, but also affect the size of the tire noise. After the above understanding of Jiatong tires, we all understand the importance of tire pattern. In the selection of tyres, from the specifications, delivery date and grain design, I believe that small white tyres can also choose the right own high quality tyres!


2021/05/31 10:18
New Regulations for Used Tires

In order to promote the recycling of waste tires, correctly guide the sustainable and healthy development of the industry. On May 18, 2020, the Ministry of Industry issued the "Necessary Conditions for the Waste Tire Recycling Industry Specification (2020 Edition)" and the "Interim Measures for the Administration of the Announcement of the Waste Tire Recycling Industry Specification (2020 Edition)". Scrap tires are favored again!

Among them, the necessary conditions of the industry norms for the recycling of waste tires (2020 version) point out that Article 4 specifies: Encourage tire production enterprises to carry out the recycling of waste tires. And its waste tires use links have made requirements for environmental protection, resource use and energy consumption indexes.

Current status of used tires

According to the latest data, about 25 million waste tires are generated every year, and 17 million tons are recycled. Among them, China is the country with the largest number of waste tires. Tens of millions of tires are scrapped every year, with a total weight of more than 10 million tons. Such waste tires have become black pollution that needs to be solved urgently. Some villages burned tires, causing large quantities of toxic pollutants.

Waste tire recycling method

The most common methods used to produce waste tires are as follows: raw material recycling accounts for 47%, energy recycling accounts for 20%, landfill disposal accounts for 2%, and about 30% of waste tires are not used. solve. In our country, waste tires produced every year are increasing at a rate of 8% to 10%. Waste tires are called "black pollution". The direct incineration of waste tires will cause carcinogens such as dioxin and heavy metal pollutants such as zinc, cadmium, nickel, and lead. Therefore, waste tires cannot be incinerated. The solution to waste tires has always been a major difficulty.

Use value of used tires

In recent years, our country has implemented a proactive working attitude in the resolution of waste tires. Just like in the past, the road pavement was gradually developed on Rongchang West Street in Yizhuang Development Zone, which is made of rubber asphalt made of waste tires. In the past 6 years, 2.73 million waste tires have been laid on a large scale in more than 60 in Yizhuang Development Zone. On key roads, this environmental protection work in the development zone prevents air pollution through incineration. According to calculations, it is equivalent to saving 123,000 tons of standard coal and reducing carbon dioxide emissions by about 307,000 tons. Compared with ordinary asphalt, it can reduce tire noise and improve the driving comfort of motor vehicles. The most important thing is to greatly reduce the cost of maintenance.

In the past, the first domestic smart waste tire micro-negative pressure pyrolysis technology production line jointly developed by Shandong Chengkuang Environmental Protection Group Co., Ltd. and South Korea Dongcheng Group reached an agreement and entered the production and delivery plan, which can make waste tires form 35% of industrial carbon. Black, 40% fuel oil, 15% steel wire and 10% gas combustible gas, complete 100% environmentally sound recycling and reuse of waste tires.

Policies related to the recycling of used tires continue to be implemented

In recent years, new projects in my country's waste tire engineering projects have continued to make efforts to explore the big market of waste tires. The state has also implemented new requirements for the recycling of waste tires.

Effective on January 1, 2020, the "Industrial Structure Adjustment Guidance Catalogue (2019 Edition)" of the General Office of the National Development and Reform Commission of the People's Republic of China, which carried out key guidance instructions for the waste tire recycling industry. It is clearly stated that it is necessary to encourage the development and application of recycling technologies and equipment for waste materials such as waste plastics and waste rubber.


2021/05/28 23:23
Is tire brightener harmful to tires?

Smooth and shiny tires are always pleasing to the eye. Therefore, many car owners regularly apply tire polish to their vehicles, or ask the staff to help apply some tire polish when washing the car in an auto beauty shop. However, there are opinions on the Internet that tire brightener is harmful to tires and shortens the service life of tires. In fact, whether the tire brightener damages the tires depends on the composition of the tire brightener.

Car tires are generally made of rubber vulcanization. As one of the worst components in the car's working environment, the tires often have to withstand impact and temperature changes, and will age and crack in the long run, and ultimately cannot be used. A better tire brightener can form a protective film on the surface of the tire. Although it cannot last for a long time, it can probably protect the tire and increase the life of the tire.

However, ordinary or poor tire brighteners will not cause damage to the tires, because the tire rubber will have higher corrosion resistance and high temperature resistance after vulcanization, and it is difficult for tire brighteners to cause very serious damage to the tires. damage.

Therefore, car owners do not need to worry about tire brighteners causing damage to the tires. The brighteners are not powerful and the tires are not weak. In addition, proper cleaning of the tires and the use of tire brighteners can also increase the service life of the tires, but it is best to choose a better tire brightener. If you don't want to use tire brightener, you can wash the tires with moderate water. By the way, buckle the tires with small stones to protect the tires to a certain extent.


2021/05/28 22:53
How often is the best time to replace the tires

I believe many people know that car tires will slowly age after running for a period of time. As the driving distance increases, the tire groove shape becomes shallower, the grip is weakened, the braking distance increases, and safety decreases. In addition, when the tread is flat, the inner tube of the tire decreases, which not only increases the braking distance, but also increases the braking resistance. If the tread is uneven, it will cause idling, increase driving resistance, and naturally increase fuel consumption, so it is very important to replace the fetus in time.

How long is the tire replacement cycle? Usually the auto repair shop will tell you that the tires should be replaced in about three years. In fact, if there are no such problems in normal driving, there will be no problems in five years. However, the time period for tire replacement is related to many factors and must be specifically analyzed:

1. Vehicle operating frequency

For family cars, except for occasional work and weekend outings, they are rarely used, and the tire replacement time period can be extended appropriately and replaced every five years.

For commercial vehicles, if you often go out for driving, you must shorten the tire replacement period, usually about 4 years.

2. The use environment is also related.

For example, a car is parked outdoors for a long time in the sun, often in wind and rain, and tires are aging quickly. If the car is often driven in saline-alkali land, the salt-alkali corrosion of the tires will be more serious, so the cycle of replacing tires should be shortened. The tires are usually replaced in about three years.

3. Driver's driving habits

Some drivers are used to accelerating or braking quickly while driving, and some drivers will step on the accelerator on the spot, and the tires will emit black smoke on the spot. These bad habits are harmful to the tires. The tire change cycle should be shortened accordingly. If you play drifting, the tires will burn more severely, and you need to replace the tires in less than a year.

If there are the following situations, even if it hasn't been a year, it should be replaced in time.

1. Bulge 2. Cracks 3. In a short period of time, tires have been punctured continuously, repaired or punctured by larger hard objects.

These types of tires have the possibility of puncturing at any time. If the tires suddenly puncture, it is very dangerous and must be replaced immediately.


tires

What is wheel balance?

By adding counterweight to correct the tire and stick a balance weight on the edge of the wheel hub, we call it wheel dynamic balance.

When performing dynamic balancing, a dynamic balancer will be used to display the data. The larger the value, the more unbalanced the wheel. When the value is 0, it means that the wheel has reached the best dynamic balance.

Why do dynamic balances?

The wheel is composed of tires and rims, but due to various reasons, the mass distribution of the entire part cannot be very uniform. When driving at high speed, the centrifugal force is unbalanced, which endangers driving safety.

When is dynamic balancing performed?

1. Change the tire status, such as replacing a new tire, or patching the tire when repairing a tire;

2. Change the status of the rim, such as replacing the rim with a new one, or the rim is knocked out of shape;

3. The relative position of the tire and the rim has changed, such as when changing a tire, repairing a tire, changing a tire or adding a tire pressure monitor, the tire must be removed and reinstalled, but the position has changed;

4. The original balance weight falls off;

5. Due to other comprehensive reasons, the original dynamic balance fails, and the wheels shake when driving at high speed;


tires

Tires are the core to ensure the safe operation of vehicles. Many people are unique in buying a car, but they don’t know how to choose suitable tires. In fact, it’s easy to choose a tire. You can see which one is your choice by looking at the pattern.

The tire pattern affects the characteristics of the tire. There are several types of patterns that are more common on the market today: symmetrical/asymmetrical patterns, and horizontal/longitudinal patterns. Among them, the symmetrical pattern mainly focuses on quiet and comfortable performance, and the asymmetrical pattern is the sporty characteristic; the transverse pattern improves the braking characteristics of the tire, and the longitudinal pattern helps the tire to reduce noise, drag, heat and drain.

Everyone has understood that the asymmetrical pattern can improve the sporty characteristics of the tire, increase the contact area between the tire and the road surface, and improve its grip. The asymmetrical pattern design is selected, which greatly improves the cornering rigidity of the tread, enabling the tires to grip the ground stronger and more resistant to wear.

In addition to the delicate design of the pattern, the tread pattern stiffness analysis technology is also used to improve the rapid response characteristics of the tread. The cap layer is made of high-rigidity aramid material for multiple windings, so that the rear tire will not It will skid, especially the improved bead design can also reduce the risk of tire laps, and further enhance the tire's sports characteristics, allowing the driver to control the tires flexibly, making quick turns more stable.

The transverse pattern can increase the transverse rigidity of the tire, increase the friction force, and enhance the braking function of the tire. The 3D bionic blade coupling groove design increases the tire’s ground contact area. The sharp pattern groove allows the tire to pierce the water film instantly when driving over the watery road, improving the tire’s wet grip and presenting a quick and stable wet start and control. Dynamic characteristics.

The characteristics of the tires are not only affected by the pattern type, but also change due to the order of the pattern blocks. According to the improvement of the pattern spacing and the chaotic arrangement of multiple rows, the tire noise can be effectively reduced, and in addition to achieving maneuverability and grip, it can also keep the cabin environment quiet and comfortable.

There are many types of tire patterns, but they all have a clear division of labor. The combination of different types of patterns can make up for the lack of tire characteristics to a certain extent. When choosing a tire, recognize the pattern on the tire and choose the one that is suitable for you to ensure that the tire can conform to your driving habits.


How to choose the right car tires

The journey of a thousand miles begins with a single step, and the importance of tires to the vehicle is obvious. Choosing good tires will enhance driving maneuverability and improve riding comfort to a certain extent. But in fact, the choice of tires is also said, and many riders do not understand this common sense, resulting in the process of buying tires will only be generalized and even be severely "slaughtered." Therefore, now I will give you a brief explanation of some small knowledge about tires.

Just as vehicles have grade classification standards, tires also have consistent quality grading mandatory standards. And this mandatory standard for quality grading is called the 3T index value.

The 3T index value includes the tire wear resistance index value (TREADWEAR), traction characteristics (TRACTION) and temperature index value (TEMPERATURE). For example, in terms of traction characteristics, it can use four levels of AA, A, B, and C to distinguish the traction characteristics of the tires. If the traction characteristic is AA grade, it means that the tire has strong grip. On the other hand, if the traction characteristic is C grade, the grip is extremely weak. For example, the tire temperature index value is evaluated by three grades of A, B, and C, and the temperature index value is A. Grade indicates that the tire has excellent high temperature resistance, while a temperature index value of C indicates that the tire has poor high temperature resistance.

Unlike the other two index values, the wear resistance index value of tires is not as high as possible. If the tires have a high level of wear resistance, the comfort of driving the car will be greatly reduced. Because the wear-resistant tires will be harder and the cushioning performance of the tires is not very outstanding. Under normal circumstances, especially for family cars, it is more appropriate to choose a tire wear resistance index value of 280-320.


tires

In fact, every driver in the process of buying a car or a garage, the maintenance staff will provide some suggestions. Especially for the suggestion that the tire components should be replaced on time, then, how often should the tires be replaced? In fact, there is no fixed time limit for the frequency and time of tire replacement. Instead, it depends on the actual usage of the tire. Generally, you can observe whether the damaged mark is exposed, how long the manufacturing date is, and how far the mileage is. And whether the tire has experienced damage and other aspects to be measured.

How often should the tires be replaced? Damage identification of side tires is very important

At the beginning of the design of the tire, there is an identification mark for its replacement cycle. Therefore, there is a simple and convenient way to easily identify whether a tire is to be replaced, and that is to observe the damage indicator of the tire.

When looking at the tire, it is very easy to see that there are raised squares in the pattern grooves, which are the tire wear indicators. If you can see a small spot on the raised square, it means that the tire does not need to be replaced; if the small spot is no longer found, it means that the depth of the tread groove is less than 1.6 mm, and you must consider replacing it; Even the raised squares are not found, which means that the tread depth is far below 1.6 mm. Be sure to replace the tires immediately, otherwise there is a serious safety risk.

How often should the tires be replaced? Keep in mind the best use time limit

The general auto shop will let you replace the tires in about three years, but there are also car repair shop personnel who indicate that the replacement will be fine within five years. This is because everyone's driving style, mileage, and road conditions are different, so the degree of damage to the tires is different, so the replacement cycle also changes. However, because tires are made of rubber, and rubber products will inevitably age, it is recommended that tires be replaced within five years from the date of manufacture.

How often should the tires be replaced? Judge tire life by mileage

The longer the mileage of the vehicle, the greater the tire wear and the shorter the time to replace the tire. This is easier to understand. Under normal driving conditions, the service life of tires is between 40,000 and 60,000 kilometers, and they must be replaced if they exceed them. But this is also measured on a smooth paved road. If the vehicle is driving on rugged mountain roads or bad terrain for a long time, then it is necessary to consider replacing the tires within a shorter mileage. However, in daily life, it is difficult to ensure that the vehicle travels such a long distance on the same road condition, so the actual situation still depends on the actual damage of the tires.

How often should the tires be replaced? Tire damage affects replacement time

If the tires are damaged, the tire replacement time can no longer be judged based on the above statement. Instead, the tires can be flexibly changed according to the degree of tire damage. If the tire tread, shoulder, sidewall, etc. are scratched, bulged, cracked, deformed, or pierced into steel nails, it needs to be replaced on time. Otherwise, it is very easy for the tire to blow out and cause road traffic accidents. Drivers pose a risk.


tires

Summer is a frequent occurrence of tire blowouts, so many drivers are trying to extend the use of tires, and replacing run-flat tires is one of the methods.

1. What is a run-flat tire

The scientific name of the run-flat tire is "Run Flat Tire", which is abbreviated as RSC in English. The explosion-proof tire consists of a tire, a common inner tube, a spare inner tube, a steel rim, a gas generator (or air storage cavity), a pressure sensor and a control unit. All tires with the RSC mark are run-flat tires.

2. Does the run-flat tire really not burst?

In fact, it’s not that the tire will blow out, but the probability of a tire blowout is much smaller. Even if the tire is blown out, the flat tire can maintain its original shape and continue to drive. When the air pressure is increased, the driver can be pressed down and deviated to one side, so the driver can control it better. This solves the problem of uncontrollable tire burst when the vehicle is driving at high speed for a moment, and the risk is greatly reduced.

Third, the advantages and disadvantages of run-flat tires

1. Advantages

Explosion-proof tires have thicker sidewalls, and some tough components are added in the manufacturing process. This also makes the wear-resistant tires more excellent, so its service life concept is longer than ordinary tires. And it has a stronger safety factor than ordinary tires. There is no need to attach a spare tire. After detecting a leak, you only need to drive safely to the car repair shop at a slow speed.

2. Disadvantages

The total weight of run-flat tires is large. If the vehicle is equipped with four run-flat tires, it is equivalent to the total weight of one more person; due to the reinforced design of the sidewall, the comfort of the tires will be worse than that of ordinary tires; the repair of run-flat tires is very cumbersome In particular, it is very difficult to remove the tire from the wheel hub. Therefore, at this stage, all the run-flat tires are directly replaced after being punctured, and the use cost is increased.


tires

Tires have long been an area of concern to many drivers. Nowadays, many drivers are gradually discussing the width of the tire. The width of the tire refers to the total width of the tire tread.

The difference between wide and narrow tires

Suitable car models are different: wide tires are usually used for high and mid-range car models, while narrow tires are more commonly used for normal car models.

Suitable wheels are different: wide tires are installed on large wheels, while narrow tires are usually installed on small wheels.

The sidewall height is different: narrow tires are thicker, while wide tires are relatively thinner.

The price is different: wide tires are more expensive than narrow tires.

Compared with narrow wheels, wide cars have more treads, more contact area with the road, and more friction, so the grip will be stronger, but the fuel consumption and tire noise will be more;

Relatively speaking, narrow wheels are more economical and practical than wide wheels, and the price is relatively more cost-effective. Because of the small ground contact area, the friction is smaller, and the vehicle speed-up function will be better, resulting in less tire noise, and driving It's lighter and more fuel-efficient. However, the grip of the narrow wheels is slightly weaker, and it is not as good as the wide tires in terms of braking function and maneuverability.

Widened tires do more harm than good to the car

Under normal circumstances, the widening of the tires will make the chassis appear lower, and the overall grade of the vehicle will be improved. Many drivers will transform the original narrow wheels into wide wheels. However, tire widening will have a certain impact on the vehicle. While tire widening improves maneuverability and grip, it also increases resistance and fuel consumption to a certain extent, which will make the orientation heavier and improve steering. radius.

In addition, the widening of the tires requires an increase in the size of the wheel hub, which is an illegal modification, which cannot pass the annual review. Therefore, many factors need to be considered for tire widening, and it is recommended to make reasonable modifications after weighing the pros and cons.


How to choose tires

At first glance, the tires are inconspicuous. The black rubber ring looks different, but the real selection is exquisite. Getting the right tyre is not easy. How should I choose?

When selecting a tyre, the first thing to learn to see the tyre specifications, such as 235/55R20, representing the section width of the tyre is 235mm, the flat rate is 55%, the structure is a radial tyre, the rim diameter is 20 inches, in general, as far as possible to select the same tyre specifications and models as the old tyre.

Second, you should learn to see the date of the factory. After the DOT mark on the tire side, there will be a string of alphanumeric letters. The first two digits are the number of weeks of manufacturing, and the last two digits are the year of manufacturing.

Finally, we should pay special attention to the tire grain. The change of grain design will affect the characteristic performance of the tire. Therefore, different grain can strengthen the characteristic ability of the tire specifically?

Nowadays, many young people buy cars in pursuit of the sense of control. Good control means that no matter what the driver does, the vehicle can achieve the same as the driver's expectation, which has strict requirements on the tire. In order to improve the handling of the tire, the tyre is designed with asymmetric grain. Different from the symmetrical grain, the asymmetric design increases the contact area between the tire and the road surface and improves the grip, so the motion characteristics of the asymmetric grain are relatively more prominent.

In addition, this type of tire also adopts high stiffness aramide material to carry out multiple tightening and winding on the crown layer, which can prevent the crown from protruding and improve the sideslip resistance of the rear tire when turning at high speed. Moreover, it has a specially strengthened bead design, which can reduce the risk of the sideslip caused by the side force, so that the sense of handling and the safety factor are significantly enhanced.

Many drivers will check the weather conditions in advance before going out to prevent extreme weather, but if it is suddenly in the middle of the storm, we have only a hard head forward, but with the assistance of asymmetric grain tyres, no matter how large the rain can not stop us from moving forward. On the tread pattern of this tire, 3D bionic blade coupling groove is designed, which can instantly Pierce the water film between the tire and the pavement water, and increase the contact between the tread and the road, further strengthen the grip of the wetland, so that the wetland braking and starting can be more stable, brave the wind and waves in the storm, and move forward bravely.

The tire pattern design, will not only affect the vehicle control, grasp the ground and brake, but also affect the size of the tire noise. After the above understanding of Jiatong tires, we all understand the importance of tire pattern. In the selection of tyres, from the specifications, delivery date and grain design, I believe that small white tyres can also choose the right own high quality tyres!


New Regulations for Used Tires

In order to promote the recycling of waste tires, correctly guide the sustainable and healthy development of the industry. On May 18, 2020, the Ministry of Industry issued the "Necessary Conditions for the Waste Tire Recycling Industry Specification (2020 Edition)" and the "Interim Measures for the Administration of the Announcement of the Waste Tire Recycling Industry Specification (2020 Edition)". Scrap tires are favored again!

Among them, the necessary conditions of the industry norms for the recycling of waste tires (2020 version) point out that Article 4 specifies: Encourage tire production enterprises to carry out the recycling of waste tires. And its waste tires use links have made requirements for environmental protection, resource use and energy consumption indexes.

Current status of used tires

According to the latest data, about 25 million waste tires are generated every year, and 17 million tons are recycled. Among them, China is the country with the largest number of waste tires. Tens of millions of tires are scrapped every year, with a total weight of more than 10 million tons. Such waste tires have become black pollution that needs to be solved urgently. Some villages burned tires, causing large quantities of toxic pollutants.

Waste tire recycling method

The most common methods used to produce waste tires are as follows: raw material recycling accounts for 47%, energy recycling accounts for 20%, landfill disposal accounts for 2%, and about 30% of waste tires are not used. solve. In our country, waste tires produced every year are increasing at a rate of 8% to 10%. Waste tires are called "black pollution". The direct incineration of waste tires will cause carcinogens such as dioxin and heavy metal pollutants such as zinc, cadmium, nickel, and lead. Therefore, waste tires cannot be incinerated. The solution to waste tires has always been a major difficulty.

Use value of used tires

In recent years, our country has implemented a proactive working attitude in the resolution of waste tires. Just like in the past, the road pavement was gradually developed on Rongchang West Street in Yizhuang Development Zone, which is made of rubber asphalt made of waste tires. In the past 6 years, 2.73 million waste tires have been laid on a large scale in more than 60 in Yizhuang Development Zone. On key roads, this environmental protection work in the development zone prevents air pollution through incineration. According to calculations, it is equivalent to saving 123,000 tons of standard coal and reducing carbon dioxide emissions by about 307,000 tons. Compared with ordinary asphalt, it can reduce tire noise and improve the driving comfort of motor vehicles. The most important thing is to greatly reduce the cost of maintenance.

In the past, the first domestic smart waste tire micro-negative pressure pyrolysis technology production line jointly developed by Shandong Chengkuang Environmental Protection Group Co., Ltd. and South Korea Dongcheng Group reached an agreement and entered the production and delivery plan, which can make waste tires form 35% of industrial carbon. Black, 40% fuel oil, 15% steel wire and 10% gas combustible gas, complete 100% environmentally sound recycling and reuse of waste tires.

Policies related to the recycling of used tires continue to be implemented

In recent years, new projects in my country's waste tire engineering projects have continued to make efforts to explore the big market of waste tires. The state has also implemented new requirements for the recycling of waste tires.

Effective on January 1, 2020, the "Industrial Structure Adjustment Guidance Catalogue (2019 Edition)" of the General Office of the National Development and Reform Commission of the People's Republic of China, which carried out key guidance instructions for the waste tire recycling industry. It is clearly stated that it is necessary to encourage the development and application of recycling technologies and equipment for waste materials such as waste plastics and waste rubber.


Is tire brightener harmful to tires?

Smooth and shiny tires are always pleasing to the eye. Therefore, many car owners regularly apply tire polish to their vehicles, or ask the staff to help apply some tire polish when washing the car in an auto beauty shop. However, there are opinions on the Internet that tire brightener is harmful to tires and shortens the service life of tires. In fact, whether the tire brightener damages the tires depends on the composition of the tire brightener.

Car tires are generally made of rubber vulcanization. As one of the worst components in the car's working environment, the tires often have to withstand impact and temperature changes, and will age and crack in the long run, and ultimately cannot be used. A better tire brightener can form a protective film on the surface of the tire. Although it cannot last for a long time, it can probably protect the tire and increase the life of the tire.

However, ordinary or poor tire brighteners will not cause damage to the tires, because the tire rubber will have higher corrosion resistance and high temperature resistance after vulcanization, and it is difficult for tire brighteners to cause very serious damage to the tires. damage.

Therefore, car owners do not need to worry about tire brighteners causing damage to the tires. The brighteners are not powerful and the tires are not weak. In addition, proper cleaning of the tires and the use of tire brighteners can also increase the service life of the tires, but it is best to choose a better tire brightener. If you don't want to use tire brightener, you can wash the tires with moderate water. By the way, buckle the tires with small stones to protect the tires to a certain extent.