Tire for chainsaw: We select and install the correct option. What chain is better to put a table of saw chains on a chainsaw

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To choose a chain for chainsaws to know three parameters:

1. Chain step;
2. Chain thickness (driver thickness);
3. Chain length (number of drive links).

Knowing these three parameters can easily choose a chain for a saw, a votornet or a harvester head.

1. Step chain

The chain step is made in inches, calculate it as follows: measure the distance between the nearest drive links of the chain, or the distance between the three nearest rivets of the chain (from the rivet center) is divided into 2 and translated in inches (1 inch \u003d 25.4 mm).

Chain's step should always be coincided with a step of the pilot sprocket saw and the driven tire sprocket.

• Chain in increments of 0.25 "On 1/4". The distance between three rivets (leading links) 12.7 mm ÷ 2 \u003d 6.35 mm is translated into inches (÷ 25.4) in inches 0.25 "(more often as 1/4").
• Chain in increments of 0,325 ". The distance between three rivets (leading links) 16.5 mm ÷ 2 \u003d 8.25 mm is translated into inches (÷ 25.4) in inches of 0.325. "
• Chain in increments of 0,375 "He 3/8". The distance between three rivets 19 mm ÷ 2 \u003d 9.5 mm is translated into inches (÷ 25.4) in inches of 0.375 "(it is customary to designate as 3/8" to not confuse from 0.325 ").
• Chain in increments of 0.404 ". The distance between the three rivets is 20.5 mm ÷ 2 \u003d 10.25 mm translate into inches (÷ 25.4) in inches of 0.404.
• Chain with a step 3/4 ". The distance between the three rivets 38.1 mm ÷ 2 \u003d 19.05 mm is translated into inches (÷ 25.4) in inches of 0.75 "(it is customary as 3/4").

2. Thickness

The chain thickness is the thickness of the drive level (you can measure the caliper). This size should always be coincided with the thickness of the tire groove.

In total, electric and gasoline saws, as well as harvesters there are 6 sizes of the determining thickness of the host:

• 1.1 mm (0.043 ");
• 1.3 mm (0.05 ");
• 1.5 mm (0.058 ");
• 1.6 mm (0.063 ");
• 2.0 mm (0.08 ");
• 3.1 mm (0.122 ").

3. Third main parameter when selecting a chain: Chain length (number of drive links).

The chain length is determined by counting the number of drive (internal) chain links. Important:

• cutting links do not determine the length of the chain (do not consider them).
• the length of the guide bus does not define the exact length of the chain (for example, a chain 55, or 56, or 57 links can be installed on a saw with a bus 16 "(40 cm), depends on the circuit tape mechanism for a specific saw model).
• you do not fit a chain about 55-57 links in length, only a certain size recommended by the manufacturer saws.

What is the length of the tire of my chainsaw?

The length of the cutting part of the tire is different from her total length. Tire length is considered to be the length of the cut (the operating part) is the distance from the front of the saw to the rounded tip of the tire. This size is rounded to the nearest in inches or centimeters. Inch is denoted as "equal to 2.54 cm.

For example, the length of the cutting part of the tire for chainsaws StiHL MS180 is 40 cm. 40 cm ÷ 2.54 \u003d 15.7 inches. Rounding is obtained 16 "(inches).

For chainsaw 6 MS180, 16 inch is suitable (40 centimeters) Tire Oregon Article 160sdea074.

How to pick up a tire for chainsaws?

In some situations, a certain confusion may have a chainsaw in understanding all the markings of chains marking for these tools. According to the result, it lead to unfortunate purchases. The choice of chainsaw is often determined by only a few basic criteria, one of which is the chain step. This indicator It helps to allocate future instrument capabilities, including its speed cut, as well as norms must correspond to the engine power level. How are the chains label? Let's figure out!

Step and sizes

Step is an intermediate distance between three rivets, which are located nearby. To properly calculate the chain step, measurement distance between the tops of three rivets placed near each other. As a formula, it looks like this:

Where, L is the magnitude of the length of the step, which in the chainsaws characterizes the degree of remoteness of two teeth in relation to each other;

S is the value of the gap between two extreme rumble of three.

Step value can also be equal to the length of the distance between two adjacent shanks.

Pattern : the more the distance between the cutting teeth, the deeper they will enter the sawn material

By increasing the size of the chain step, it becomes possible to increase chainsaw productivity. However, in this case, the degree of accompanying effort changes to rotate the drive stars. And the higher the chain step, the greater should be the power of the engines and more physical forces spent for its broach when sawing materials.

Chainsaw chapter step. Table

Taking into account the magnitude of the step, at the moment the chain is divided not several subtypes:

As can be seen from the table, the chain step is indicated as a common number (3/4) and decimal - "0,375". Such separation is caused by the similarity of decimal values \u200b\u200b- "0,325" and "0,375", since the difference in one digit created a confusion when selected saws. Therefore, at one time, it was decided to establish two different designations: decimal and ordinary fractions.

The step is empty in the area of \u200b\u200bthe special depth of the depth of cut on each tooth.

The pluses of chains with a big step can be attributed to:

• high level Performance due to a wide propyl;
• possibility of execution complex work (roll of large trees).

But it should be noted that a wide propyl requires the use of a more powerful engine, which in turn significantly increases resistance.

The advantages of chains with a small step are:

• low vibration;
• smooth movements during propylene;
• clean the cut.

Benefits are achieved by a large number of teeth and a small distance between them.

The entire known classification of chains is based on the characteristics of their marking depending on the step, which is intended for certain needs and is carried out under the specific capacity of electrical equipment. For a better understanding of each type of step, they should be considered separately.

The main parameters of the chains

Application Chain marking assumes the following parameters:

1. Step:

• "0,325" - The most common and minimum step size, which is used in semi-professional and domestic chainsaws with low capacities. The standard value of power under such a step ranges from "0,325" to "3l.s.", but not higher than "3,5l.s". When working with such a type of chain, the sawt is more smoothly, comfortable, without "impulses" of the processed products.
• "0,375" ("3/8") - applied to chainsaws with power in "4l.s". Such a chain is used in sawing the wood of medium and low thickness.

The accuracy and quality of the resulting propyl depends on the step value. In cases of the absence of the importance of achieving high quality when the chainsaw is sometimes of a particular importance to the accuracy of the cut. To do this, it is necessary to take into account the dependence of the step on the dissolution of the wood according to the marking marks.

1. Thickness of leading links (tails). When working chainsaws on its chain accounts most of All loads. Considering this, another one the main characteristic The saws of the saw is the thickness of the elements of the link, which is included in the tire grooves. This parameter also determines the total thickness of the fastening links, which is measured using a conventional caliper. The standard thicknesses include:

• "1.1 mm" ("0.043") and "1.3 mm" ("0.05") - Used in the production of entry-level chains, which are intended for the implementation of minor workshops. Often with such values \u200b\u200bof the thickness of the links, the length of the chain step can be "0,325", which implies no high loads and gentling mode of operation. Therefore, they are used in household and semi-professional devices;

• "1.5 mm" ("0,058") - The most common magnitude of the thickness in the chainsaw market and components to them. Such a value can provide safe work At the magnitude of the step in "3/8". The chain with a thickness of 1.5mm is not intended for cutting a professional level;
• "1.6 mm" (0.063) and "2.0 mm" (0.08) - Designed for the most difficult work. Metal in the manufacture of such chains is steel of special marks, and in the design, the characteristics of increased strength are laid.

The greater the thickness of the link and the wider tire's grooves, the high quality is chainsaw, because it is capable of withstanding heavy loads.

1. Depth of cut - is an a distinctive feature The chains produced and is characterized by the height of the cutting teeth profile. It is measured by the gap between the limiters and the cutting upper edge. On the market can be presented as high-profile (0.762 mm) and low-profile (0.635 mm) types of chain products.

The greater the height of the profile, the higher the entrance to the material (depth) and the speed of sawing

High-profile chains are installed on chainsaws with increased engine power. Information about the profile height is usually prescribed in the characterization to the tool.

The profile affects the occurrence of vibrations that are subsequently causing a drive or problem when holding the tool in the hands. In this case, the higher the cutting parts, the stronger the degree of vibration.

Household types of chainsaws are equipped with a low profile. In semi-professional devices can be combined different variants chain types. However, in most cases, principle adhere to:

In the circuit with a big step set low profile, and in step "0,325" - high

Such variations increase the speed of the cut without due to the step, but by changing the depth or height of the profile. Although in professional instruments, the emphasis makes an increase in step, explaining that chainsaw becomes more manageable.

1. Geometry of cutting teeth - The profile can be two main types:

• chipper (in the people of "SERP") - It has a sickle form and is characterized by high performance. When operating it is easier and does not require compliance with clear angles of sharpening. Disadvantage: Risk of high loads and deterioration cutting characteristics;
• chisely (in the people "Semyon") - It has a working surface of a direct form in the form of the number "7". Applied in chains with a step "0,404" or "3/8" on professional saws. Chief flaw Chisellays - the complexity of sharpening cutting elements and sensitivity to the effects of dirt.

1. Number of cutting teeth - Determined as the ratio of the number of teeth to the number of guides in the bus. In the chainsaws of good production, two guides of the link in the cutting part of the instrument should be combined.
2. Type of sharpening links- directly depends on the type of future work. Classic views Chainsaws are used for most of its brief cutting trees and are rarely used for longitudinal cutting. Taking into account the resistance of the tree in both cases in the circuits there can be a different angle of placement of links. On construction counters, you can now find chains with the following types of cutting links:

• the longitudinal type of the chain - assumes the tree cut along its fibers. The cutting angle reaches 5-15 degrees.
• the transverse type - the cut is carried out across. The cutting angle in chains is 25-35 degrees.

1. Chain length - depends on the parameters and technical characteristics The chainsaws itself: power, dimensions, etc. With standard or normalized tension, its length is most often indicated in the passport.
2. The order of the links - The sequence of the location of the links can be different:

• standard - for each cutting link in the chain there are two leading links;
• with semi-empty - every third placement of the link in the chain is replaced with the so-called connecting;
• with the skipping - in the location of each second link for the cut, the connecting is installed.

Why do you need a skip in the chain? In the chains themselves, the quality of the cutting links is the most valuable, since they are manufactured by special technologies and have a greater cost in contrast to the connecting links. If it is impossible to shorten the chain, the only option to cheat the cost of the chain becomes a skipping of the cutting elements. In the work of the chain, the links of the links show reduced performance and quickly wear out.

In general, wishing to acquire a tool for cutting wood with maximum efficiency, do not be lazy to further examine the chain marking for chainsaws, also specified in the instructions for the tool.

The presence of chainsaws in the farm simplifies and speeds up a large number of repair and construction processes.

Chain for chainsaw is an important element This tool. And considering that it is more likely to need to be replaced or sharpening, it is important to know how to choose a chain for chainsaws.

Feature chain design

This cloth in its composition has part parts:

• cutting;
• leading;
• unlock connector.

The most difficult element is cutting. The principle of operation of this link like a ruble. If the upper edge is extended further, the chips will be thick.

The chainsaws themselves are located at a certain angle. So, the tooth should be bled into the wood and cut off the chips. If the chain sharpening is performed, it is extremely important to observe the base angle of each tooth.


If we speak for the leading links, they transmit the necessary rotation to the cutting element from the engine. Energy transmission is carried out by means of a special asterisk.

In its design, an important role is a fence and distribution of lubricant throughout the canvase. By connecting links, the compound of cutting and leading links is carried out in one.

Marking chains

Before deciding what chain to choose for chainsaws, you need to pay attention to its marking. The main parameter is a step. Under step is meant the distance from the adjacent teeth on the chain.

Important! Today there are chains of different marking in this regard. Therefore, be sure to purchase, look at the vehocport, where the scope of use of the chain is indicated.

It is important that the fact - a large number of professional and semi-professional chainsaws can work immediately on different types chains. Therefore, when choosing this tool, prefer precisely such chainsaws. As a result, you will be easier to choose the necessary cutting element.

We give a few examples of how the teeth is selected in relation to the power of chainsaws:

1. Step 0,325. The ideal solution for devices with a capacity of up to 3.5 l / s. This type of chain is optimal for cutting small bitch and the like.
2. Step 0.375. Optimal for 4 l / s units. Effective this step to work with fine wood. Often used on semi-professional installations.
3. Step 0.404. It is used for powerful aggregates, more than 5 l / s.

Household, semi-professional and professional manual chainsaws, regardless of the cost and performance characteristics It has identical design. The cutting headset, which includes a tire for chainsaws, and refers to the category of interchangeable equipment.

The solution, which tire to put on a chainsaw is made by the owner with many factors. First of all, this is compatibility. landing and lubrication channels in working area, engine power, specificity of the upcoming work.

Specific Help B. self-election Tires can provide recommendations for experienced specialists or information instructions for use.

In particular, the long saw headset is preferable for rolls and sawing of large-diameter trees, short - to tweaking trees and prepare for the installation of construction wood.

In a standard solution, the longitudinal tire for chainsaw is a detail of the elongated oval configuration made of high-quality steel.

At one end, holes are located under the threaded fasteners, on the other end of the long tires the slave asterisk is installed. Such a bus device contributes to the smoothness of the chain stroke and reduce the load on the engine.

On the perimeter of the tire is performed, in which the shanks of the saw chain are fit. Through special drills for cooling and lubricating the headset to the working area in the dosage amount of chain oil is supplied.

Dimensional characteristics

The tire guide tires of the household category chainsaw has a width of 1.1 or 1.3 mm. The same indicator for professional models is 1.5-1.6 mm. The mismatch of the thickness of the chain shank and the width of the groove can initiate overheating of the headset and its starting failure. In another embodiment, there is a chain outlet from the groove or an opening.

Similar consequences can be when the chain step is inseparacted and the drive mechanism. In many models, the chainsaw replacing the lead sprocket is conjugate with the time-time dismantling of the clutch node. In some cases, the service and repair equipment is required.

The most sought-after pitch of the asterisk and the saw chain for saws with power up to 3 hp - 0.325 inches. For professional chainsaws, the use of a 3/8 inches step is characterized.

The driven tire asterisk is centrally not lubricated. This disadvantage is compensated by high bearing quality, which must be signed every 8-10 hours of operation. The full replacement of the sprocket is the slave, is possible only in the equipped workshop.

Criteria for selecting tires for quality characteristics

The bus-unified tires are presented in a small assortment. As a rule, each manufacturer uses its own standards, which eliminates the possibility of operation of chainsaws with sawing equipment of other brands.

• The selling price of tire guide is determined by the size, quality of the material and brand fame. The most expensive highest quality and durable products of leading manufacturers.
• The high cost of branded tires is fully compensated by high wear resistance and long-term operational resource.
• In the average price range, the range of budget-level tires, which are equipped with the benzo and electric sawmills. With competent operation and qualified maintenance, the tires of the standard standard produce a resource-appointed resource with a large excess.

Smallevenous in the operation of the Chinese production tires are less popular, which are mounted on chainsaws of the minimum price range. A significant part of such products goes on sale under trademarks famous brands.

How to exclude possible risks of purchasing tire counterfeit?

The information field provides signs on which it is easy to distinguish the original brand chainsaw from the most reliable fake. As for tires, their advantages and disadvantages are manifested directly in operation.

On the domestic market household appliances About 15% of the total sales of chainsaw components is an unknown origin of a third-rate counterfeit that produces a standard resource at best of half.

Operate chainsaws complete with a fake bus and chain is economically unprofitable and unsafe. A significant part of the traumatic situations is created when using a tire and chain falsification.

To buy a high-quality and durable branded bus of the desired model, without significant risks in the corporate trading point or representation of a licensed dealer company. In the absence of such a possibility, you should use the services of a solid, which, which deserved the confidence of buyers of the online store.

Consumer demand leaders

In the process natural selection The first stitchings of sales ratings occupied the products of leading European and Asian manufacturers of chainsulas. Maximum demand for components trademarks Clea, Huskvarna, Makita, and a number of others.

Constructive features of household and professional tires

The design of modern sawing set is constantly improving. As a result of partial upgrades, the so-called narrow tire was developed.

Constructurally, such models are distinguished by the form of the tip, which prevents the return punch at the entrance of the headset in the propyl. The chainsaw of household class for the most part is completed with narrow tires. Wide sock is characteristic feature Tires intended for sawing work of increased complexity, as well as chainsaw of a professional category.

Selection of tire length taking into account drive power

The length of the new guide bus is determined by the power and magnitude of the torque coefficient of the power unit.

• The model chainsaw of a small and medium power range is equipped with tires with a length of 30 to 40 cm.
• Longer sawing kits are created on the engine and kinematics tool excess loads that are negatively reflected on its traction characteristics and durability of operation.
• The attached application guide contains the recommended guide length. This means that it does not exclude the installation of a shorter headset, but there are a number of restrictions on the tool with a bus of increased length.

The chainsaw of the professional level is equipped with power units, the power of which allows the benefits of tires up to 75 cm long to 75 cm. Often the size of the tire in centimeters and inches is applied to its side plane.

Recommendations for the extension of the operational resource

An approximate service life of the branded tire is equal to the total resource of 3 high-quality saws, the drive asterisk changes as of state. Experts recommend using a set of several chains in the work.

This method allows to reduce the loss of working time, which is spent on periodic, as well as optimize wear of the saw mechanism as a whole. Accelerated tire wear is a consequence of unqualified chainsaw maintenance and illiterate operation.

The main factors of the early exit of the tire of the system:

• initiating the fast production of the groove and shanks excessive or inconsistency of its step characteristics of the crown of the leading sprocket;
• the application of considerable effort during sawing solid or frozen wood;
• the tire is heated and intensively flashes due to the lack of lubricant supply, due to the malfunction or improper adjustment of the standard oil pump;
• saving funds on the use of poor-quality or oil surrogates of the type of work.

The forced consumption of the saw headset resource takes place when the soil or sand is inserted into it, the work of the new chain on the worn crown of the leading sprocket.

Installation of tires and chains

Dismantling the tire is made to clean the oil pipe, checking the technical condition or replacement. The sequence of work is scheduled to operate instructions. Upon completion of the installation, make sure that there is no label and the tightening of the threaded fastener.

With certain skills, it takes only a few minutes to dismantle and install a new or sharpened chain. The technology prescribes the inclusion of blocking unauthorized launch and in some cases, the emergency stop mechanism.

• Depending on the design tensionerThe chain is relaxed to the desired degree by rotating the adjusting screw or the installation disk, to the free output of shanks from the groove of the guide bus.
• After checking the direction of rotation, the shanks of the new chain are hardened in the groove guide groove and the crown of the leading sprocket. Tension is made in reverse order.
• To check the degree of tension, it is enough to pull the chain in the middle of the tire. The output of the shank of the link in this place should not exceed 2/3 of its height. A properly stretched chain should move on a tire from a small force.

After installing and adjusting the saw headset, it is desirable to start the engine and withstand the saw on medium turns for several minutes. Throughout this time, you can check the operation of the lubrication system.

After turning off the power unit, you must enable the launch lock and check the headset for the lack of local overheating of the tire and change the degree of tension of the chain.

Causes of uneven cuts

In amateur chainsaws, there are many questions related to the departing of the breakdown in one direction or another. Such a malfunction creates significant inconvenience when using chainsaws in technology wood construction.

The reason for this phenomenon in the unauthorized for the eye deformation of the tire, improper sharpening or uneven wear of the cutting links of the chain. If a professional conclusion of the chain of a positive result did not give, the problem is eliminated by the replacement of the entire set.

There are several basic parameters for which chainsaw is chosen, one of them, the step of the saw headset. The step is depending on the power of chainsaws, and largely affects the speed of the cut.

That as far as the step corresponds to power, determines the performance and service life of chainsaws. Also from his proper selection Depends on the consumption of fuel.

Step is half the distance between adjacent shanks or between three adjacent rivets.

There are several sizes, 1/4 inches - the smallest, 3/4 inches - the largest and 3/8 and 0.325 - inch, most popular.

The step is the parameter that is available not only in the headset, but also in the stars of tires and chainsaws.

Important! All three elements, chain, asterisk and tire must have the same step parameter, otherwise the installation and proper work Impossible.

What is affected by the distance between the teeth

In the saw chain, the distance between cutting teeth directly affects its performance. The more, the deeper the cutting edge can crash into wood, provided the limiter sharpening.

Accordingly, more powerful chainsaws, it is permissible to install a headset with a large distance between adjacent links and vice versa.

If you put a pile headset ¼ inches on a powerful chainsaw, then the performance will fall significantly, and the load on the engine will grow, because The saw will work in the separation and exceed the maximum permissible turnover, which ultimately can lead to overheating and Zadiram CPG.

Conversely, the installation of a chain with a big step on a weak chainsaw will lead to the fact that the saw power will not be enough for normal cut, of course, this will not entail heavy consequences, as in the first case, but it is not comfortable to work as a tool.

Also, the quality and accuracy of the cut depends on the distance between the links. The farther from each other neighboring cutting teeth, the stronger the vibration when working and below the accuracy of the cut. For a more accurate cut, you should choose a saw headset with a smaller step. This factor must be taken into account those who are engaged in figure.

Big influence Chain's step is on the so-called "rebound". The larger the distance between the teeth, the probability that the chainsaw will bother up, above.

Important! Bowl of all, "rebound" occurs when working with tire tire, for example, when performing internal cuts. In this case, you need to be extremely attentive, regardless of whether the chain is used with what step.

In the selection of the chain, the rule applies that step (the distance between the teeth) is proportional to the power, but the accuracy of the cut is in the inverse addiction, i.e. The distance is more, the accuracy is lower.

3/8 or 0.325 what is better and why

It is better to determine which parameter is better and how worse it is impossible, since each of them has its own characteristics and is intended for chain saws of a certain power. Depending on how correctly the saw headset is chosen, the tool performance will have different indicators. If the headset is chosen optimally, i.e. The distance between the links corresponds to the recommended power, the performance of chainsaws will be maximum. With incorrect selection, the engine will experience overloads that can cause faults.

Optimal power indicators for 0.325 inches - 1.8-2 kW. It is for this reason that at the chainsaw of Huskvarna 142/137 there are chains with such a step.

For 3/8 parameter, a tool with a power up to 3 kW is required. In this case, the question arises, and why on the calm 180, with a capacity of 1.5 kW 3/8 inches chains are used. The answer is simple: a chainsaw Calm, the capacity is not the most important thing, great importance It has maximum amount revolutions. Country 180 issues more than 13,500 rpm, due to this it is capable of sawing a 3/8 inches headset.

For 0.404 inches, the optimal power of 4.5 - 5 kW.

Important! Specified power values \u200b\u200band chain steps are not necessarily character, the user itself has the right to choose the settings of the headset, which it plans to use on a chainsaw.

How to pick up

In the case when it is necessary to choose the optimal step of the chain for chainsaws, it is best to take into account the recommendations of the manufacturer and already based on them to choose the type of saw headset.

Important! When choosing, you should not forget that the distance between the links is not the only parameter to which you want to pay attention.

Also worth picking the thickness of the link, the type of cutting tooth, the number of units. Performance to a greater extent depends on the angle of sharpening, the depth of the cut and the shape of the tooth of the limiter. The sharper the restrictive tooth, the higher the speed of the cut, and below its quality.

Below we offer to watch a video about choosing a chain chain step. In the video, it is described in the video and shown how to determine it, for which chainsaw, what a chain step to use.

How to find out

There are several ways to find out the chain step:

1. View step value on the saw bus. Manufacturers of the saw headset, necessarily indicate the length of the tire, width of the groove and the pitch of the sprocket on the shank of the saw blade.
2. Measure the distance between the shanks of neighboring teeth or the centers of three adjacent rivets.
3. A method that is suitable for chains in branded packaging is to see the chain features on the box.

On the corporate packaging of the chains of the Channel, there is an exhaustive information about the products, reading with which it is possible to learn not only the distance between adjacent links, but also the type of teeth, the width of the link, the recommended storage size for sharpening.

Chain table chainsaw

In conclusion, we suggest familiarizing yourself with the table in which technical specifications Popular chain models for chainsaw of different power.

Conclusion

The distance between the chain chains of the chainsaw is one of the most important parameters that cannot be neglected. When buying a spare headset, you need to know which step is suitable for the tire and asterisks installed on your chainsaw, or change the chain, tire and the leading star with a set.