Minimal depth of summer tire tread. Residual Tread Depth. As far as it is important on a slippery road. To help drivers and inspectors - Wear indicators

Dmitry-35

What does it work? Clause 2.3.4.4. Installing one axis of tire vehicle different sizes, designs (radial, diagonal, chamber, tubeless), models, with different patterns of tread, frost-resistant and enemy-resistant, new and reconstructed, new and with in-depth tread pattern. - Also stops acting?

This is removed from the technhylamment, but is stored in the application to traffic rules (p.5.5 of the List of Faults)

The changes affected the trucks with a permitted maximum weight of up to 3.5 tons, i.e. Trucks category B. Previously, tires could be used on such cars until 1 mM tread remains. From January 1, 2013, the requirements will be slightly tougher - 1.6 mm. For example, these requirements will affect small trucks (Gazelle, Mitsubishi L200, Volkswagen Amarad, etc.).

Error in the text: From January 1, 2013 .... Still, I think, I mean "from January 1, 2015"

Grammarnazi., Thank you! Changes are made to the article.

If you notice something like this, be sure to write.

Good luck on the roads!

Vladimir-29.

You can use summer tires in winterif the road cover is not icing and not snowed? In the winter in the winter, most temperatures are plus and without snow.

Can. Although in the Crimea, at least in Vorkuta. The main thing is to be executed:

5.5. On one axis of the vehicle installed tires of various sizes, structures (radial, diagonal, chamber, tubeless), models, with different tread patterns, frost-resistant and enemora-resistant, new and reconstructed, new and in-depth tread pattern. On the vehicle installed crowded and uncomplicated tires.

Comments

How to understand (no more)?

5.2.3. At the residual depth of the Winter Tire Tread Drawing, designed for Oblase or snow-covered road surface, labeled in the form of a mountain peak with three peaks and snowflakes inside it (see Figure 5.1), as well as marked signs "M + S", "M & S "," M S ", during operation on the specified coating - no more than 4 mm .....

It turns out that with the depth of the 3mm tread pattern is possible?

5.2. The tire is considered unsuitable:

In the table in decoding: "L - mopeds, motorcycles, quad bikes, etc.", error is not

quad bikes, and quadricycles !!! so ?????

5.2. The tire is considered unsuitable:

With the residual depth of the tread pattern of winter tires ... - ... not more than 4 mm.

Is 3 mm more than 4 mm? No more, equally less!

"No more" is "less or equal", and not just "less." From the point of view of mathematics. Although in the reality of the border and their belonging is not exactly possible to install.

lego, thanks for the info. You are right, the article will be fixed.

Good luck on the roads!

Vyacheslav-5.

Hello.

2.3.4.4. Installation on one axis of vehicle tires of different sizes, structures (radial, diagonal, chamber, tubeless), models, with different patterns of tread, frost-resistant and enemora-resistant, new and reduced, new and with an in-depth pattern of the tread.

Vyacheslav, Hello.

There is no exceptions about the smelter. If you stop - fly away. Therefore, if you have a spare wheel different from the other wheels, then use it as small as possible (immediately go to the nearest tireage).

Good luck on the roads!

Hello.

2.3.4.4. Installation on one axis of vehicle tires of different sizes, structures (radial, diagonal, chamber, tubeless), models, with different patterns of tread, frost-resistant and enemora-resistant, new and reduced, new and with an in-depth pattern of the tread.

And about the spare track where there are neither?

5.5. On one axis of the vehicle installed tires of various sizes, structures (radial, diagonal, chamber, tubeless), models, with different tread patterns, frost-resistant and enemora-resistant, new and reconstructed, new and in-depth tread pattern. On the vehicle are made included and uncomplicated tires.

For one day, they do not fly.

On many imported cars There is a "rate", which looks like a wheel from a bike. And the "Daughty" and any "reserve" can be used to follow the place of repair. According to the application to traffic rules "The list of faults and conditions under which the operation of vehicles is prohibited" the operation of the TS is prohibited. And even after stopping the IDPS on this issue, you have a day to eliminate this malfunction.

Dmitry-74.

Government Russian Federation Decides:

1. To approve the accompanying changes that are entered into acts of the Government of the Russian Federation.

5.2.3. At the residual depth of the Winter Tire Tread Drawing, designed for use on the icy or snow-covered road surface, labeled in the form of a mountain peak with three peaks and snowflakes inside it (see Figure 5.1), as well as marked signs "M S", "m More than 4 mm

and in court, I can appeal if I'm wondering what I have 3mm, and in the law it is spelled out clearly not more than 4 ??

Dmitry, you pulled out the phrase from the context. In court it will not do so.

This list establishes car malfunctions, buses, road trains, trailers, motorcycles, mopeds, tractors, others self-propelled machines and conditions for which their operation is prohibited.

The residual depth of the Winter Tire Tread Picture, designed for use on an icy or snow-covered road surface, marked with a mountain peak with three peaks and snowflakes inside it, as well as marked signs "M + S", "M & S", "M S" ( In the absence of wear indicators), during operation on the specified coating is no more than 4 mm.

This item is difficult to understand, especially if you do not read the document entirely.

The safety of movement on the car depends on many factors, but one of the mains is the state of the tires, height or depth of the tread. It is the tires, taking into account seasonality - summer and winter, "provide excellent adhesion with the surface of the roadway.

Tires are very different, depending on the transport for which they are selected.

If we talk about passenger cars, then the main types are:

• summer;
• winter (studded or on velcro);
• for purpose - off-road (for SUV), sports, regional, highway;
• all-season.

The depth of the tire pattern depends on the type and purpose of the wheels. Take this and talk in the article.

For ordinary a passenger car the height of the tread tread is 7.5-8.5 mm. Provided that you purchase tires for moving on asphalt roads for general purpose.

If the motorist is the owner of an SUV or crossover and often leaves the off-road, the tread depth should be in the region of 17 mm, due to the protruding cups and the soils.

Just in case we will remind that from January 1, 2015, new items were introduced into the rules of admission of the vehicle to operate, according to which the residual depth of the tread can not be less than 1.6 mm For passenger cars. This applies to both summer and winter tires. Although it is desirable to install new tires when the protector is erased to 2 mm. On the court there is a special icon - TWI, which determine the degree of wear.

It should be understood that there are no certain standards in the height of the tread new rubber. If you drive into a serious store, you must first of all pay attention to the manufacturer: Nokian, Michelin, Goodyear, Bridgestone and many others. These companies are famous for high quality, so by purchasing their products, you will be completely satisfied.

The height of the tread will be within 8 mm. It is allowed to reduce it when it comes to tires for speed driving in sports mode. The depth then can be about 5-6 millimeters.

Winter tire tread height

For winter tires, the tread depth is critical. If in the summer of dry asphalt you can safely ride almost on the "bald" tires, then your safety depends on the quality of tires, especially when driving at high speeds.

Winter "shoes" for passenger cars can be divided into three types:

• studded;
• scandinavian type;
• friction.

Scandinavian type and spikes are specially created for frosty and snowy winters. Tread depth of new winter rubber - 9-10 millimeters. The Scandinavian type of tires is characterized by an asymmetric sparse pattern. Rectangular cups pushing snow and ice, which are discharged through small slots - lamellas.

Spikes, in principle, perform the same work - they break the snow and ice, providing a grip with an expensive.

For ride on asphalt, such rubber, of course, will suit, but will make a lot of noise. In addition, you risks to lose all spikes with sharp braking on the bare asphalt.

Friction type of winter rubber is ideal for driving in conditions of minor warm winter, Slush and dirt. The tread depth here is usually about 9-11 mm. Due to thin slits and soilsceps, the clutch surface with wet asphalt increases, and all moisture is given through the slave. As a rule, friction tires has a symmetrical tread pattern.

The service life of good winter tires is usually 4 seasons. That is, the protector is erased much slower than in the summer.

Tread depth for sizes

It is also worth noting that the tread height is largely dependent on the size. So, for summer tires Depth will be:

• 165/70 R13 - 7-7.5 mm;
• 175/70 R13 - 7-9 mm.

If we talk about universal or winter tires, then the picture is as follows:

• 175/70 R13 - 9-11 mm;
• 187/70 R14 - up to 12 mm;
• 195-205 at 14 - 11-15 mm.

In Russia, in particular, there is a specially approved technique in which the recommended parameters are given. Domestic manufacturers They are adhered to the products to comply with GOST.

Cargo and off-road tires

Cargo tires are not divided into summer and winter. They initially go with a powerful deep tread designed for a specific type of coating.

For example, the depth of the popular pictures - Rhombiki, the goose paw - also depends on the size:

• 240 / 260-508 (ZIL, GAZ-3307) - 16.3-18.3 mm;
• 280/300 / 320-508 (LAZ, MAZ, KAMAZ, ZIL) - up to 23 mm.

Well, on a special race, for example for career dump trucksThe requirements go special and depth can significantly exceed the specified values.

For crossovers and SUVs with a size of 205-255 and a radius of 15-18 inches, increased passibility, the depth of the tread varies from 12 to 17 millimeters. In principle, special needs to measure this parameter - Height, when buying in a dealership, - no, as the quality and condition is visible to the naked eye.

Height (it is also called the depth) tread (or tire running track) is the distance from the bottom of the drainage channel to its surface, which directly contacts the road. This value may be different even inside one particular tire - the height in the center of the tread may not coincide with the height in the shoulder zones. Therefore, the height of the tread must be measured where there are installed by the manufacturer.

The height of the tread also carries the functional imprint of the tire itself as a whole. If, according to the definition, the protector is an element that protects the internal structure of the tire, When working with a tread height, the manufacturer creates its drawing and forms a system of drainage channels, giving the tread the necessary characteristics.

It is not surprising that the height of the new tire treads presented at the moment on the market, different. But besides the manufacturer's approach, there are other factors affecting the tire tread height:

Seasonal

Functional

It is also worth remembering that only one value is fixed for the new tire protector - the minimum permissible height of the tread. This means that there is a norm in the height of the tread only for tires used. This standard is the minimum permissible limit below which the tires are prohibited below. On the territory of Russia, the minimum allowable (residual) height of the tread is 1.6 mm, and - 4 mm.

The tread height depends on the manufacturer

No limit on the height of the treadmill drawing in new tires allows manufacturers to actively work with other tire elements - rubber mixtures and an internal structure to achieve optimal characteristics tires. Because the elevation of the treadmill can have a positive effect on some characteristics and, at the same time, a negative impact on others. For example, a tire with a high tread, which means that with deep drainage channels, will effectively remove the water, but at the same time it is worse. The inverse situation with the tire, in which the tread pattern is almost completely absent - with a slick. In this case, the tire will demonstrate excellent handling, but it will be completely helpless on the road even with minimal precipitation. Therefore, work with a tread height is carried out by tire engineers only in a complex with other elements of the tire, which makes it possible to improve certain tire characteristics without reducing its other indicators.

A good example of such interaction is tire's speech. At the initial period of the existence of tires with the tread, it is its height that determined the potential mileage. And, the higher the protector was, the greater the amount of rubber in it, which means, a larger number of kilometers of the tire could pass. At the present stage, the leading tire manufacturers the magnitude of the mileage is determined by the composition of the rubber mixture and the formulation of its creation. Therefore, it is not necessary to navigate the height of the tread, as the only indicator that determines the magnitude of the potential tire mileage.

Summing up, you must say that the height of the tread in the same size, but different manufacturersmay differ, which is determined by the technical and technological level of each company, as well as its approach to the creation of the tire. The height of the tread in one model can also be resolved from size to size, and more indicator, as a rule, will be at narrow sizes.

The height of the tread depends on the tire use season

In winter, drivers can meet a greater number of coatings than in summer. And the dry and wet asphalt will add a road coated with ice and snow, a snow pitching or chemical reagent. Most of these coatings require tires branched system of drainage channels and powerful tread blocks, leading to an increase in the negative tire profile (this is the total size of all tread channels), as well as an increase in its volume, which is achieved by increasing the height of the tread. In addition, the need to attach spikes also requires a tread with an increased height. And do not forget that the minimum allowable height of the tread for winter tires is significantly more than a summer limit (4 mm versus 1.6 mm). All this leads to the fact that Winter tire protector has a greater height (or depth) tread.

Tread height:

Winter studded tire 9-10 mm

Winter not saved tire 7.5-9 mm

- summer road tire 7.2-7.8 mm

The height of the tread depends on the purpose of the tire (functions).

Tires have a different purpose, as there are different cars, driving styles, different types Coatings and the frequency of stay on these coatings. It is not surprising that the tires for different use also have an unequal height of the tread.

Summer tire tread height:

Road tire 7.2-7.8 mm

Sports tire 6.5-7.5 mm

- tire for commercial vehicles 8-10 mm

Off-road tire 13.7-14.7 mm

Sports tires have a smaller than ordinary road tires, tread height For better manageability indicators.

Commercial tires are distinguished by a higher protector, which allows them to have more rubber for abrasion.and therefore a higher resource. In addition, a deep drawing of the tread allows you to efficiently work outside the asphalt coating.

Travel tires are leaders in the height of the treadSince the coatings become more aggressive, and the high height of the tread will help protect the tire from damage to the treadmill. In addition, the resulting tread volume obtained as a result of an increase in the height will make effective operation in the mud, on sand and other unstable coatings.

In conclusion, it is worth noting that the tire tread height will help a little about the purpose of the tire and its seasonality within the offer of one manufacturer. But choosing tires, focusing solely on this indicator, is not worth it. Since the tire is a complex product, and only the protector of the set of tasks set in front of the tire does not work.

Having in the garage a set of tires, which the allowed depth of the Winter tire tread corresponds to the norm, every motorist is firmly confident that it is completely ready to meet the winter in all. Yet should not be so self-confident, but to look at the rubber more carefully, since the resource of the tread for winter and for the summer is very different. There are certain indicators for which last year's tires are better not to apply at all, but to buy new ones. No money goes in comparison with safety on the winter road.

Winter tires and law

Any rules and laws are not growing out in an even place, but repel solely from practice. Therefore, the new decree of the Government of the Russian Federation of January 19, 2015 touched upon the regulations of transport faults, under which its operation is prohibited. In particular, it affected tires. IN new edition The list of critical tire malfunctions is clearly divided into winter and summer. If earlier, according to the old classification of transport, the car could have a tread depth of 1.6 mm, a truck 1 mm, and a 2 mm bus, then the classification, and tolerances for rubber wear changed.

The residual depth of the tread in the summer for motorcycles and mopeds remained equal to 0.8 mm, and for another type of transport, everything is more difficult and stricter:

• transport category N2 and N3, as well as O3 and O4 - 1 mm;
• transport category O1, O2, M1 and N1 - 1.6 mm;
• cars of category M2 and M3 must have a tread depth of more than 2 mm.

The term "not less" was replaced by the term "more", and this means that the nominal indicated in the regulations is actually considered unacceptable.

The residual depth of tire treads that are designed for use on ice or in the snow should be no more than 4 mm. The law clearly indicates that under the winter tire means rubber labeled in a special way - either the logo with Mount Fuji, three peaks and snowflake in the center, or MS lists in any combination, which means "Mud & Snow", dirt and snow. No reservations were without reservations: the requirement applies only to areas of roads with icing or snow-covered. Therefore, on asphalt or snowy whale you can ride on the summer regulations, but on ice - with a depth of the Winter Tire Tires at least 4 mm.

Video films for determining tire tire height without special tool

Many are misleading the terms "residual depth of the tread pattern" and "no more", "not less." If they talk about the depth, they say "no more", and if the height of the tread is "not less." These sacred 4 mm apply to all types of vehicles driving in winter tires. But it is also important to remember that this limitation does not apply to winter tires with wear indicators, with the appearance of which the tire is considered unsuitable for use on the roads. common use. The appearance of the indicator is equal to the presence of cuts, cracks, breakdowns, bundles of cord and hernia, in a word, it is impossible to use it, except instead of the spare track.

With spare parts, a separate story. If the inspector caught the driver to use the wheel with the sharpened indicators, but the other wheels are in order, then this impairment is given a day to restore the punched wheel. The same applies to the dock, it can be reached near the nearest tire and repair the tire. The fine as such is not for the use of non-rally rubber, but the inspector needs to be easily compiled a protocol that the car does not correspond to the process for wheels and prohibit operation. Naturally, on tires that do not meet the new requirements of the admissible depth of the Winter Tire Treads, the inspection will not be able to pass. At the same time, a tire can not be installed on one axis, which have different patterns of the tread, not to mention the sizes and types of cords. The duration is naturally not concerned.

We look at the protector, measure its depth

From January 1, 2015, we had to look more attentively on rubber, the winter, including. For example, a used winter tire in the fall may have completely permissible minimally 4 mm tread pattern height. But how much it is enough and when the critical wear occurs, you can only guess. Yes, and little to which it comes to mind that after the first winter rolled season, even if the remnant of the tread corresponds to the norm, the coupling properties of the tire deteriorate by 10-15%. Wear indicators are also installed not in order to increase the world bushot, but just for security purposes. In addition, with each new season, the elasticity of winter rubber worsens.

If we talk about the offseason, then actual themes of aquaplamination and slashplaning are populated. Aquaplaning is a complete loss of contact with the surface of the road in water, the wheel simply pops up at speeds. Nokian conducted a number of tests and found out that on tires with a tread depth 1.6 mm and water levels within 4-5 mm, aquaplaning is already 70-75 km / h. At the same time, the tread height of the new tire can keep the car from the loss of contact up to 95-100 km / h. Slashplanting is a similar phenomenon, only it happens on the snowy caress during thaw. In the case of tire tread (or speed exceeding), contact loss with expensive on conventional rubber It may occur by 50-60 km / h, and on the winter corresponding to the norms of 4 mm depth, at a speed of 70-80 km / h. In this case, the contact spot with an expensive will be only 17% of the contact on the new winter tire. Therefore, the residue of 4 mm is not such a luxury.

You can measure the tread depth in several ways:

1. Approximately. So the most motorists receive, without thinking that the height of the tread pattern in different places of the tire can be completely different and the visual assessment is not only for reassuring conscience.
2. Coin. Not too accurate, but giving an idea of \u200b\u200bthe real wear of winter rubber method. The coin is inserted into a few points of the tread pattern, pressed with a finger from the top point. After that, the resulting distance is measured. It is advisable to measure in several places in the width of the tire.
3. Calcircular with depth hencer. Simple and reliable and accurate method. Measurement is better carried out in 9-12 points in diameter and in three points in width.
4. Special digital depthioner.

Initially, a new summer tire can have a tread depth from 6 to 8 mm, and winter - from 8 to 11. At the same time, winter on the asphalt is extinguished much faster than summer, because it has more slots and softer tires, and the load on each tread shab increases.

Specialists say that with 50% of the wear of the summer tire, it is still quite suitable for operation, but the winter tire with the same percentage of wear is not suitable anywhere.

In order to calculate the real wear of the winter tire, it is enough to take a real indicator from the height of the new tread and multiply the result by 100. If you can not learn the height of the new-specific tire tread, you can take the average value:

• speed winter tires with a tread similar to a summer pattern may initially have a height of 7 mm;
• the classic winter tire will receive about 9 mm drawing height;
• winter rubber of increased passability with the so-called Scandinavian pattern is obliged to have a height of at least 10-11 mm.

We put the winter tires right

Of course, not everyone can afford every season to buy a new set of winter rubber. Before installing last year's kit, you should pay attention to a number important momentsexcept the tread height, of course:

• On a slippery road, even the most expensive summer rubber is not so effectively the car and does not slow down as effectively as the most inexpensive winter.
• If the storage rules of the tires are not respected or the rubber was stored with the disks assembly, the wheels need to be deleted before installing.
• Before installing the winter kit, it is advisable to check the collapse convergence, since in the summer a minor deviation from the norm is not as noticeable as on a slippery road.

• Since winter tires are more elastic, it is worth more attention to pay pressure in wheels and check it more often.
• The reserve is possible to have the same tread pattern as the other wheels.
• Regardless of the type of actuator, the best pair of tires is installed on the front axle, since controllability on a slippery road is very important.
• If you observe the seasonality of the tires, in time alternate summer and winter, they will serve 30-40% longer.

In addition, it is necessary to take into account the operating conditions of the car, however, it concerns, rather, the choice of new winter tires. The permissible depth of the Winter Tire Treads is as important as the compliance of the tires season, so fulfilling the requirements of the process, we ourselves are worried about the safety of our neighbors on the road.

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Automotive tires in suitable condition - security guarantee for road participants. Holding the rules of use extends the service life and provides a comfortable ride on the roads.

Compliance with the rules of operation automotive tires significantly increases your safety on the road

There are certain requirements approved by countries belonging to the Customs Union. According to generally accepted standards:

• tread height on traffic rules on summer rubber A passenger car should be in a height of at least 1.6 mm;
• for winter tires height 4 mm;
• truck and trailers must correspond to the tread pattern within 1 mm, and 2 mm buses;
• there is a bike wear section, they are considered not suitable for use;
• there should be no local damage - spacing, fuses, cuts and tread deal.

Checking the requirements is made by measuring the residual height of the drawing on the protector line or prepared templates. The wear is uneven - the drawing is measured on the surface, inscribed in a rectangle with a width of up to 0.5 of the tire circle. Wear uneven - summarizes the measurement results from different sections of the tire. Measurements are produced on the surfaces that are most worn, but not next to indicators showing wear.

Tires that are not suitable for use indicators of the wear indicators in the amount of one or two - depending on the uniformity of wear. Height, where the drawing with a continuous edge is measured at the edges. The remaining requirements are tested with a visually by climbing.

It is forbidden to use tires not for the season - in winter time Summer and vice versa. Local authorities determine and establish the time frame of the winter and summer period, but can make changes due to abnormal weather conditions.

What can threaten?

Improper use of tires threatens by the motorist by the likelihood of an accident as a result of an accident and penalties, if the condition of the tires does not meet the requirements of operation - the defects on tires or rubber are visible. The penalty is imposed on the driver not with the advent of the first frost, but from the moment the local administration began the beginning of the new season.

In the event of an accident and investigation, it is necessary to take into account the compliance of rubber with generally accepted standards in order to prove or refute the involvement of the state of the tires to the incident.

When the height of the tread does not meet the adopted standards, and the rubber is very worn, the road coating area with the tread is reduced to 6% instead of 47% (for new tires).

The legislative violation of the tire operating norms threatens with the database and the ban on the use of the vehicle until the defect is corrected. The penalty imposed on the motorist is complemented by the deprivation of government numbers that will be returned after eliminating the shortcomings and payment of money recovery.

The government approved the draft law, which implies the imposition of administrative responsibility in the form of penalties on car drivers using summer tires in winter (December-February), and in summer (June-August) - winter with spikes.

Monetary recovery from the driver of the vehicle is provided for the operation of "bald" tires in the amount of about 2 thousand rubles.

Important features

Want that the tires will serve longer - observe the rules of operation to ride the car is comfortable and safe. Rules for using rubber:

• compliance with seasonality, taking into account the replacement of tires in accordance with the time of year on summer, winter or all-season;
• all-season tires are better suited for the autumn-spring period;
• in winter, use studded or untapped rubber (velcro) with good coupling properties;
• drive carefully - do not leave the first from the intersection, do not touch the slip and whistle, do not brake with the locking wheels;
• watch for wear automotive tires - if half of the spikes is absent, it is time to change the set of rubber;
• a good vehicle is a pledge of tire durability. Keep track of the collapse, backlash and bearings, wheel balance;
• periodically conduct preventive diagnostics of rubber, inspect the possibility of damage and wear.

Detected cracks on the tires - the service life is reduced to one year. When finding lateral cuts or cones on tires, throw out rubber so that the wheels do not explode on the road and have not led to the accident. During the ride, avoid borders and deep holes.

Control pressure indicators in the tires every seven days. Pressure below or above required level Detect the coupling properties and leads to the wear of the tread. Indicators within the norm of the motorist can find out in the instructions attached to the vehicle.

Product replacement wheels complete complete set Automotive tires with the same pattern on the tread in the front and rear. The legislation is prohibited to fix various patterns of rubber on one axis.

Outcome

With proper care for rubber and careful driving of a vehicle, the life of the tires will be 5 years. Further, the tires are aging and smell, losing useful qualities.

Observe the rules for the use of rubber, drive a car carefully and follow its health, check the level of pressure in the tires, and the service life will increase.