Compatibility of saw chains and bars of different companies. Design features of saw chains and their maintenance. Chainsaw service, video

The chain can be called the main working element of the chainsaw. It is she who has to "take the brunt of it" and for this reason the inevitable natural wear and tear occurs. Some believe that the power of the saw determines its performance, but this is an erroneous judgment. After all, thanks to the right saw, you can achieve high productivity, as it affects the cutting speed and quality. The most popular and high-quality chainsaws of such brands as Stihl, Husqvarna, Champion, Goodluck, shown in the photo, are considered. How to choose a chain for a particular brand of saw?

Rules for selecting a chain by step

An important parameter by which you want to choose a chain for a chainsaw is the step distance between the centers of the nearest links. The exact chain pitch corresponds to the distance between the center of the first and third rivets. The greater the width and length of the link, the wider the pitch and, accordingly, the greater the distance between the teeth. The larger the chain pitch, the greater the performance, but at the same time, energy costs increase and more power is required.

The marking is indicated on the product in units of measurement - inches and has only five meanings:

1. 0.25 or one quarter;
2. 0,325;
3. 0.375 or three-eighths;
4. 0,404;
5. 0.75 or three quarters.

The extreme step sizes of this ruler are practically not used. For professional chainsaws with a power of 5.5 horsepower, a step value of 0.404 inches is the most suitable option. For home use, the optimal pitch for a three horsepower chainsaw is 0.325 (for non-fat wooden materials), and with a power of four horsepower - 0.375 inches.

Rules for choosing a chain according to the thickness of the tail

The determining issue in the selection of the chain will also be the thickness of the tail. Special attention should be paid to this parameter so as not to make a mistake with its correspondence to the groove of the saw bar for pulling the chain. Therefore, in order to choose the right one, you need to try on the chain for a chainsaw.

This parameter characterizes the strength and quality of the product and ensures durability. There are five sizes of chain tails: 1.1; 1.3; 1.5; 1.6; 2 millimeters. For domestic needs, a chain with a thickness of 1.3 mm is suitable, and for professional works- 1.5; 1.6mm.

Depth of cut - features

The depth of cut or cut depends on the height of the chain tooth. Thus, with an increase in the height of the tooth, the depth of cut increases and, accordingly, the cutting speed increases. However, the strength characteristics of the material are reduced.

Chains have two tooth profile heights:

• Low profile -0.635mm for domestic purposes;

• High profile -0.762mm for professional use.

Chain length

The length of the chain is fixed in the product passport and directly depends on the power and size of the chainsaw. The number of cutting teeth depends on the pitch of the links and the length of the chain, that is, the selection of these values ​​​​occurs in combination. Household saws do not have a large chain length.

Link types

The working elements of the chain in professional saws have a wide variety of shapes. At the same time, the most popular types are chippel and chisel.

Chippel-type links are sickle-shaped in cross section. Due to the rounding, the working area of ​​the cutting element increases, and the loads during the sawing process increase. This type of links is very convenient when sharpening, the accumulation of debris does not threaten.

The links of the chisel type in cross section are shaped like a seven. Thanks to this, a good and fast sawing of wooden materials occurs. Due to its angular shape, this type of links is difficult to sharpen. During operation, “dead” inaccessible zones appear in the corners, in which dirt and dust accumulate.

Link arrangement

On a standard high quality chain, each cutting link has two tails. The material from which the working element of the chainsaw is assembled, in the best option, is very durable. For this reason, the cost of a good chain cannot be low. However, there are fairly cheap varieties that have a half-pass or skip links. When the owner of the saw does not use it often, this option may be suitable.

Cut types

At the final stage of choosing a chain, it is worth stopping at the types of cuts. It is possible to cut the material along and across the fibers, the shape of the cutting element, which can be longitudinal or transverse, depends on this. They also differ from each other in the angle of sharpening. In the first type, such an angle is from five to fifteen degrees, and in the second type - twenty-five, thirty-five degrees.

In order not to be mistaken, and to choose an excellent chain, there are proven and high-quality brands of Stihl, Husqvarna, Champion, Goodluck that correspond to the required chainsaw model. Below is a video that will help you choose the right chain.

The chainsaw chain performs an important function during operation. It is from it that the productivity and cutting speed depend to a greater extent.

By choosing the right saw set for a chainsaw with low power, you can significantly increase its performance. In this article, we will consider the types of circuits and their main parameters.

A modern saw chain is made up of three types of links:

• presenters;
• connecting;
• workers.

Working teeth are divided into left-handed and right-handed. Leading, they are also called shanks, are installed between the connecting and workers with a certain step, which depends on the size of the links. Connecting, as the name implies, combine working and leading links.

Kinds

The two main types that can be found on the market today are chipper chains and chisel chains. The separation is based on individual parameters and the shape of the working tooth.

Chippers are more versatile.

They can be used both by ordinary users for work in everyday life, and by professionals for ripping. Most often, professionals use saw chains of this kind on chainsaws working in LOGOSOL sawmills. They, subject to the required angle of sharpening (10 0), are able to quickly cut along the fibers, which is the most important thing in a sawmill, while their performance and high productivity is maintained for a long time. If necessary, chains of this kind, like the rest, can be sharpened using or for this.

Chizzle - show great performance in cross cutting.

Used by professionals when felling and crosscutting. The angles of attack of such a chain are aggressive, it cuts easily and cuts quickly, but only across the fibers. Cutting speed along, even under the condition correct sharpening, this headset has less.

Below is a video about the types of chains and selection criteria for a chainsaw. It details the main parameters of the headset. Shows what the links look like different types and sizes. Much attention is paid to the pitch and width.

Special

A separate type of chains for chainsaws are carbide, special purpose. These include chains for cutting concrete, aerated concrete or rescue work. The design of the tooth in such a headset includes a victorious soldering, which allows you to saw concrete, thin metal, fittings, glass.

These chains are very expensive. It is not advisable for an ordinary user to buy them.

Saw chain parameters

Chains for chainsaws are usually divided according to the following parameters:

1. Pitch or distance between adjacent three rivets.
2. Landing link width.
3. Number of links.
4. Type of cutting teeth.

The headset parameters combine various combinations, which determine the final results, quality and speed of the cut.

For example, a headset may have the following parameters: pitch 3/8, length 52 links, groove width 1.3 mm, type of cutting tooth chipper. An experienced specialist, after evaluating the data, will say that it is designed for a longitudinal cut and has average performance and returns. Chains of this type can be installed on household chainsaws, because. they are more versatile.

Let's see why he draws such conclusions.

1. Chain pitch 3/8. This step can be used on chainsaws of medium and low power. To date, this is the most popular step option. You can read more about the chain pitch and its types in the article dedicated to this parameter by clicking on.
2. The second is the shape of the tooth. Chipper - translated from English means to chop into chips. This form has large area working edge, due to which it does not cut, but cuts the wood fibers. They are mainly used for a longitudinal cut, or a transverse one, but on household chainsaws, where speed and quality do not play a special role. Chisel chains cut better and faster across. They are not used for longitudinal cutting. Chisel in translation is a cutter, a chisel. The edges of such a tooth are very sharp and thin, the shape itself is characterized by aggressive angles. Use chisel chains for longitudinal or curly cut not recommended, besides, they have a high return, tk. cut into wood faster and more efficiently.
3. The length of 52 links indicates that this chain is installed on a 14-inch bar (35 cm). They are put on household chainsaws.

And the last thing that gives reason to attribute the headset to the middle performance class is the width of the landing groove. Basically there are three width options, these are: 1.1 mm, 1.3 and 1.5.

The width of the groove is directly proportional to the width of the cut and depends on the size of the tooth. The wider the groove, the wider the cut and vice versa. Chains with the minimum widths are characterized by low kickback and cutting speed. Basically, these are installed on low-power gasoline pole saws and chain saws.

A headset with a 1.3 mm bore can be installed on both household and semi-professional and professional chainsaws, while the chain pitch may be different.

The 1.5mm width was previously only used on chains for professional use. Recently, due to the fact that the market has been flooded with powerful and affordable Chinese-made chainsaws, such chains have also been used on them.

Width 1.6 mm and 2 mm. used exclusively on professional and industrial saws.

Which is better

We figured out the parameters, now let's see which chain for a chainsaw is better and why. This question is relevant, because. everyone wants to use only the best, but what are the criteria to determine which chain is better and which is worse. Better means faster, or better means safer?

All types have both advantages and disadvantages. For example, a chisel with a landing size of 1.5 mm and a pitch of 0.404 inches is the most dangerous. It has a high return, it is difficult to control it, but at the same time, it differs from others in terms of cutting speed and productivity.

We think that it is up to the consumer to decide which chain for a chainsaw is better and which is worse, based on their experience. We can only talk about the facts.

How to choose

The issue of selection is relevant for inexperienced users. Professionals know almost everything about the headset and know how to choose what they need. For this reason, our advice will be aimed specifically at amateurs, not pros. So let's get started.

In order to choose the right one you need:

1. Know the characteristics of the chainsaw, namely the pitch and length of the bar. You should not rely on the name and model of the chainsaw when choosing. tires can be installed on one chainsaw various lengths and width of the landing link.
2. Decide in advance on the volume and type of work for which you plan to use it. If sawing across, then we choose chisel, along - chipper.

Important! You will have to sharpen for a longitudinal cut (10 0) yourself or in service center. A headset sharpened for a longitudinal cut is rarely found on sale.

Separately, it is necessary to mention the choice of the Calm headset. If you plan to buy a chain from this manufacturer (they are considered the highest quality today), then it is better to use special form search, which can be found on the company's website.

By entering the chainsaw data into the search form, the program will automatically select and offer you suitable options. The service is convenient, but has one big minus, the selection is carried out only on models of Stihl chainsaws. In order to pick up a chain for saws of other brands, you will have to arm yourself with a catalog.

Chain test drive

Present to your attention interesting video, the author of which shows the performance of circuits different brands: Husqvarna, Stihl, Oregon and others.

How to count links

Many users do not know how to correctly count the number of chain links, although this is done quite simply. It is better to count by tails. In order not to go astray when counting, the shank from which you start counting must be marked. This can be done with a marker or sticking a piece of paper on it.

Important! When counting, it is not critical to make a mistake by one link up. If one link is missing, then when choosing and buying a spare chain, you can make a mistake and purchase a short chain that cannot be installed on a chainsaw.

How to find out which headset is on a chainsaw

There are several ways to determine the type of chain that is installed on a chainsaw. If the saw is new, just purchased, then the type and size of the chain are indicated in the documents (user manual, in the characteristics section). If the saw has already worked and it is not known whether the headset has changed during operation, then you can determine the type of chain by doing the following:

1. Remove the headset and count the number of links.
2. Using a caliper, measure the width of the shank.
3. Visually determine the type of cutting tooth. Sharp side edges - chisel, smooth edges - chipper.
4. Measure the chain pitch with a ruler or caliper.

Important! Not right taken dimensions may cause the new chain to not fit into the chainsaw bar or to have a pitch different from the pitch of the sprockets, so you need to be more careful when taking measurements.

Another option to determine the dimensions, which does not require the use of measuring tool is to look at the label. The shank width is indicated with outer side limiter teeth. Width values ​​on a tooth are shown without a unit, i.e. if the number 3 is on the tooth, then the width of the shank is 1.3 mm, the other dimensions are similar.

Some manufacturers, such as Oregon, put a model number on the shank of their products. Knowing the number, you can easily determine the characteristics of the circuit by finding information about the model in the catalog.

Conclusion

We examined the types and features of a chainsaw headset, told how you can count the number of links and determine which chain is installed. If you have any questions or want to clarify something, write in the comments, we will definitely answer.

Buying a chainsaw headset for many turns into a real test.

How to measure and choose the pitch, size, chain length for a chainsaw, what exactly do you need to know about them?

Incorrectly selected accessories for the tool are a waste of money and time. Difficulties with choosing a tire for chainsaws primarily arise due to the fact that headset parameters are usually marked in inches. Therefore, users who are accustomed to the metric system do not always calculate correctly. the right dimensions details. Experts point to typical mistakes when choosing a saw set for a tool and give recommendations on determining the optimal characteristics of components.

Chainsaw tires: dimensions

The data necessary to determine the characteristics of a suitable headset are indicated in the instructions for the tool. But that doesn't mean that you don't have to be aware of the issue. correct selection accessories. Protect yourself from buying the wrong headset, use the advice of experts in choosing a chainsaw tire. To characterize the dimensions of the part, the following parameters are taken into account:

• length in inches;
• groove width;
• chain pitch.

Among chainsaw users, tires ranging in size from 10 to 22 inches are considered the most popular. Often, tools of the same model are offered for sale, but with different part lengths. These features are indicated in the device passport. The slot width is also given in inches. Five sizes are especially common, some of them are 0.043, 0.050, 0.058. It is quite difficult to remember these data, therefore, for convenience, the parameters are often indicated in millimeters. Self-respecting sellers should be armed with a size chart in inches and millimeters. They will help you select the part that matches the required data. The chain pitch when calculating the tire parameters for a chainsaw is determined by the size of the driven sprocket. The most commonly used sizes are 0.325 and 3/8. Remember - the data for the circuit and the bus must match.

Important points when choosing a chainsaw tire

If you have a previously used part on hand, show it to the seller as a sample. It can be difficult for inexperienced users to correctly determine chainsaw bar length in inches, groove width, and chain pitch. Remember - the necessary data must be sought in the instructions that came with the tool, or on the part itself. When choosing a headset, do not forget to make sure that the tail of the chainsaw tire you are purchasing, as well as the position of the oil supply holes, match the sample. In any case, do not rush to buy a part if you are having a hard time identifying it. optimal performance, consult with professionals.

Technical parameters of saw chains

When choosing a chain for a chainsaw, you need to pay attention to several important characteristics:

• number of links;
• chain pitch;
• thickness of the leading link;
• purpose of use.

In addition, on our website you can choose a chain according to the saw model through the chain saw guide.

Number of chain links. Determined by the internal teeth of the chain.

Chain pitch- the distance between three successive rivets, divided by two.

Tables of sizes of saw chains and bars for chainsaws by model

This is a defining parameter, and depending on its value, all existing chains are divided into five groups with a step of 1/4'', 0.325'', 3/8'', 0.404'' and 3/4''.

1/4” (6.35 mm) pitch is typical for small chains mounted on low-power single-handed saws.

0.325'' (8.25mm) and 3/8'' (9.3mm) pitch chains are the most common options. More than 80% of saws produced worldwide are equipped with them.

0.404” (10.26mm) and 3/4” (19.05mm) pitches feature larger link chains with higher performance. For several decades, they completed saws Russian production, but now they are installed only on powerful felling saws and harvester equipment.

The larger the chain pitch, the larger the links that make it up and the higher its performance, but the wider the cut. A more powerful saw is required to overcome the increasing cutting resistance. Small pitch chains have other advantages - more teeth per unit length, smooth movement in the kerf and, consequently, reduced vibration, a cleaner cut.

Drive link thickness. During operation, the chain slides in the groove of the bar, and this sliding should be smooth, without hooks and at the same time without unnecessary “chatter”. The thickness of the shank and the thickness of the groove must strictly correspond to each other, which increases the reliability of the chain fit and eliminates the possibility of its "jumping off". All provided in five standard sizes:

• 1.1 mm (0.043’’) for low power saws
• 1.3 mm (0.050’’) household and semi-professional chains,
• 1.5 mm (0.058’’) powerful and productive saws,
• 1.6 mm (0.063’’) and 2.0 mm (0.080’’) highly professional saw blades.

Purpose of use imposes its own requirements on the circuits used. For example, when sawing hard and dirty wood, or when demolishing and building structures, it is better to use Picco Duro or Rapid Duro special carbide chains, which have carbide teeth or linings, giving them unsurpassed strength and durability of use. Some jobs simply cannot be done without their help.

It is also known that for longitudinal sawing of wood (along the fibers) it is desirable to use special chains. The main difference between longitudinal and transverse type chains is the angles of attack of the cutting links. For crosscut chains, they are 25-35 degrees. Rip chains (such as Stihl Picco Micro X chains) have sharper angles of 5 to 15 degrees.

The use of chains inconsistent with their purpose leads either to reduced performance or to increased "aggressiveness", strong vibration and additional load on the chainsaw engine.

Additional characteristics of the chain are the height of the profile and the depth of cut.

Profile height.

Chains are available in high and low profile depending on the height cutting edge above the plane of the guide bar. High profile chains are usually used in professional applications to obtain maximum sawing performance. Low-profile chains are installed on household and amateur class chainsaws, because. thanks to the increased bearing area of ​​the cutting links and the reduced thickness of the sheared chips, they are safer.

Depth of cut- this is the size of the gap between the upper edge of the tooth and the kerf stop, which regulates the thickness of the chips. Most often there are samples with gaps of 0.025 inches (or 0.635 mm) and 0.030 inches (or 0.762 mm), less often - with gaps up to 0.07 inches (or 1.778 mm), the latter are intended for machine felling units.

Depth of cut largely determines sawing performance. The larger the gap, the higher the performance. The flip side of performance is vibration. So chains with a small depth of cut in the cut move softer, “twitch” less. Therefore, to balance vibration and performance, often large pitch chains are fitted with shallow cutting depths, and vice versa.

OREGON Co. major manufacturer and one of the major innovators in saw chain manufacturing. We believe that not only the quality of the tool, but also its competent selection is important for a perfectly executed job. Let's see what you need to pay attention to in this case in order to make a choice that will meet your needs.

Chain pitch

This is the distance between the axes of three adjacent rivets, divided by two. It should match the pitch on the saw's drive sprocket and on the sprocket in the nose of the bar.

Pitch is measured in inches, the most common values ​​are:

“325 is one of the most popular options, often installed on household and semi-professional saws of low and medium power;
3/8 - comes in low profile for the most common light saws and just 3/8 for powerful professional saws;
“404 - used on professional saws with a capacity of at least 5.5 liters. with., it is not economically feasible to put on low-power saws.

To choose the right chain for the chainsaw, taking into account this factor, just read the instructions - it will indicate what step it is designed for. Except for some professional models, most saws are designed with one specific step in mind.

chain saw chain

Leading links

They ensure the movement of the chain along the tire due to the engagement with the drive sprocket of the saw.
They measure the length of the chain: it is equal to the number of leading links in the ring. To determine it, it is enough to fold the ring in half, count the pairs of leading links and double the result. Also on the leading links is a marking by which you can determine the series of the product.

chain thickness

Measured at the drive link shank moving inside the bar groove and must match the thickness of the bar groove.

cutting links

They are responsible for cutting wood. They differ in shape, sharpening angle and thickness of chrome. The most commonly used types are:
Chisel (chisel, super). The most aggressive type of link, cuts quickly but requires frequent sharpening and wears out faster;
Received The cutting is smoother, sharpening is required much less frequently.

Connecting links

They retain lubrication and are responsible for the strength of the product.

Additional engineering solutions OREGON

Vibe-Ban - Suppresses vibrations, improves operator safety and speeds up cutting.
LubriWell - optimizes the distribution of lubricant along the length of the groove on the guide bar.
LubriLink - Reinforces connecting links and retains lubrication.
Witness Mark - simplifies maintenance. Its marks indicate the optimal angle of sharpening the horizontal edge of the cutter. Available on all chains with chisel cutters.

Main types

The 91 designates OREGON's low profile 3/8 pitch chain with 1.3mm drive link. This is the most demanded series from OREGON, its sales provide 70% of the market.

91P is the most popular a budget option, with a minimum of engineering functions;
91VXL - premium class, excellent value for money (equipped with all the above-mentioned special engineering solutions);
Multicut - designed to work in an abrasive environment;
SpeedCut (narrow kerf) - new for 2017, featuring increased cutting speed and smoothness;
PowerSharp is a unique self-sharpening option, an innovative development of OREGON. Now used primarily with OREGON's heavy duty 15 amp CS1500 chain saw, the world's only self-sharpening power saw.

Table for chainsaw chains

Drive roller chains

Drive roller chains designed for power mechanical gears various machines and mechanisms. Of all the drive chains, they are the most widely used.
There are three main standards that regulate the parameters of drive roller chains - GOST 13568-97, adopted in Russia; ISO/R 606, the British standard adopted in European countries, and ANSI B29.1M adopted in the USA. Chains of this type can be made collapsible, with a straight and curved contour of the plates, as well as with various types anti-corrosion coatings. The dimensions of the roller chains are complete analogues among American and British standard chains.

go to the Support section

Regulations:
GOST 13568-97 Driving roller and sleeve chains.
International standards: ISO/R 606, ANSI B29.1M.

There are the following types of drive roller chains:

Single-row roller drive chains GOST 13568-97 (PR)

PR-12.7-18.2-1
PR - drive roller GOST 13568-97
12.7 - chain pitch in mm

SPR12.7-18.2-1 - connecting link to the chain
PPR12.7-18.2-1 - transitional link to the chain
P2PR12.7-18.2-1 - double transitional link to the chain

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Double-row roller drive chains GOST 13568-97 (2PR)

An example of a chain symbol:2PR-31.75-177
2 - chain row GOST 13568-97
PR - drive roller
31.75 - chain pitch in mm

An example of a symbol for components:
C - 2PR - 31.75-177 - link connecting to the chain
P - 2PR - 31.75-177 - transitional link to the chain
P2 - 2PR - 31.75-177 - double transitional link to the chain

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Three-row roller drive chains GOST 13568-97 (3PR)

An example of a chain symbol:3PR-38.1-381
3 - chain row GOST 13568-97
PR - drive roller
38.1 - chain pitch in mm

An example of a symbol for components:
S-3PR - 38.1 - 381 - link connecting to the chain
P - 3PR - 38.1 - 381 - link transition to the chain
P2 - 3PR - 38.1 - 381 - double transitional link to the chain

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Four-row roller drive chains GOST 13568-97 (4PR)

An example of a chain symbol:4PR-50.8-900
4 - chain row GOST 13568-97
PR - drive roller
50.8 - chain pitch in mm

An example of a symbol for components:
S-4PR - 50.8 - 900 - link connecting to the chain
P-4PR - 50.8 - 900 - transitional link to the chain
P2-4PR - 50.8 - 900 - double transitional link to the chain

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Drive roller chains with curved plates GOST 13568-97 (PRI)

To increase wear resistance, chains are made with curved plates.

What is the best chain to put on a chainsaw

Curved plate drive roller chain can only have an odd number of links.

An example of a chain symbol:PRI-103.2-650
DRIVE - driven roller with curved plates
103.2 - chain pitch in mm

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Long link roller drive chains GOST 13568-75 (PRD)

Drive roller long link chains are designed for use in gears with large center distances and in gears with low peripheral speeds and large diameter sprockets. Long link chains are designed on the basis of PR drive roller chains with doubled pitch. The working load of this type of chain is lower than that of conventional roller chains of the same pitch.

An example of a chain symbol:PRD-38-4000
GOST 13568-75
PRD - drive roller long link
38.0 - chain pitch in mm

Examples of symbols for components:
SPRD38,0-4000 - connecting link to the chain
PPRD38,1-4000 - transitional link to the chain

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The chain is a key element of any chainsaw. From type cutting tool installed on the unit, the quality and speed of work when sawing wood depends. For novice chainsaw users, choosing a saw chain seems to be a difficult process, because you need to know what types of this part are, its characteristics, etc. This article will look at the main factors to consider in order to choose a good chainsaw chain.

Those who have experienced sawing wood know that it can be sawn either along the grain or across it. Based on this, they issue different types chainsaw chains: for transverse or longitudinal cutting wood. In both cases, the difference in material resistance will be significantly different. For longitudinal sawing, the teeth are sharpened at an angle of 5 to 15°. Cross cutting requires sharpening the tool at an angle of 25-35°. The figure below shows how the sharpening angle of the teeth is determined.

What type the saw element belongs to can be found from the marking on it, in addition, the sharpening angle is determined visually.

Chains for longitudinal sawing are used extremely rarely, because it is much easier to dissolve the workpiece on the circular. Due to low demand, manufacturers of this tool do not particularly improve it, and it is quite difficult to find a chain for longitudinal sawing on sale. Most buyers of chainsaws choose a tool with a transverse cut type, and it is the most sought after among both professionals and home craftsmen. But, before choosing a chain for a chainsaw, you should study the main parameters that affect the performance and quality of the tool.

Existing pitch sizes

Chain pitch - key parameter, requiring special attention when choosing a cutting element for a chainsaw. It is measured in inches and is defined as the gap between the cutting links or the gap between the three rivets of the saw element. The following image clearly illustrates how the chain pitch is determined.

Each saw has an individual chain pitch.

It is worth noting that the pro class tool works with any kind of chains.

Chains with a certain pitch are always intended for units of a certain power, taking into account the torque. Reducing the pitch not only reduces the performance of the device, but reduces the load on the motor. Conversely, with a large step, the productivity of the apparatus increases, but more power is required.

In addition, there is such a thing as "aggressiveness" of the unit. In this case, we mean ease of management. The larger the pitch, the more force the teeth “tear” the wood. In addition, due to the large size of the cutting links, the width of the cut also increases, which means that the operator will need to exert more effort to hold the device in his hands. Based on the foregoing, it is not worth using a chain with a large pitch on a low-power unit, since this can render the device unusable.

Pitch 0.325"

This is minimum value step, but still the most common. Saw elements with this pitch are usually installed on amateur and semi-professional units with low power - in the range of 3-3.5 hp. This is enough to easily cut branches, cut down thin trees, perform small construction works. The 0.325" pitch chain runs smoothly without vibration, won't tear wood, overload the engine or tire the operator.

Pitch 0.375 or 3/8

The label might look like decimal or ordinary. There is no difference between these designations: three divided by eight will be 0.375. The ordinary fraction in the marking is designed to eliminate confusion between the numbers 0.375 and 0.325.

For this reason, there are times when it is difficult to find an element with a pitch of 0.375 inches on sale. If this is the case, then try looking for the same part marked 3/8.

These chains are installed on more powerful units - having 4 hp. Such saw elements can cut down trees of medium diameter. Chains with a pitch of 3/8 inches are installed on semi-professional chainsaws and pro-class units.

Step 0.404

Saws with this step are installed only on professional units with a power of at least 5.5 hp A saw with a pitch of 0.404 inches can cut trees of any thickness, and the units for this cutting element have a large torque, which greatly facilitates the work of a person.

It is important to know that the chain pitch always matches sprocket pitch both the slave and the leader. It follows from this that if the documentation for the device indicates that it works with a chain with a pitch of 0.404, then you should not put the chain on a chainsaw with a pitch of 3/8. Before installing a chain with a different pitch, you need to purchase a complete set, including both the tire and both sprockets: driving and driven.

In addition to the above step values, there are two more: these are 1⁄4 (0.25) inches and 3⁄4 (0.75) inches. Saws with such a pitch are not very popular among both professionals and home craftsmen.

Thickness of the leading link (tail)

This parameter is the second most important when choosing a saw element. You should know that on different brands chainsaw tire will vary in width. Drive links are also designed only for a certain type of tire.

Leading links are available in the following sizes.

1. 0.043” or 1.1mm. This is the smallest leading link. It is usually installed in miniature circuits, which are designed for “weak”, household units that are not designed for heavy loads.
2. 0.05” or 1.3mm. Although the difference with the previous example is insignificant, the cutting element is designed for more tangible loads. Chains with a link of 1.3 mm are most common among owners of household and semi-professional chainsaws, they are light in weight and quite reliable.
3. 0.058” or 1.5mm. This type of saw is no less popular than the previous one, but is already used not only in semi-professional tools, but also in pro-class devices.
4. 0.063” or 1.6mm. Chains with this tail thickness are more durable and are only put on a tool for professionals.
5. 0.08” or 2 mm. This size is the final among the types of drive links. The chain is designed for long work and heavy loads. It is not difficult to guess that the element is used only on highly professional chainsaws with high power.

In the end, than more thickness the leading link, the stronger and better the chain, and the greater the load it can withstand. But, when choosing a cutting element, it is necessary to check the instructions for the device, which indicates what size tire is allowed to be installed on it.

Cutting depth and profile height

The depth of cut depends on how high the chain profile is. The higher the profile, the more the chain "bites" into the material, and as a result, the tool's performance increases. A low profile cuts thinner chips and the chain does not sink as deep into the material. Usually the depth is adjusted by grinding the stops that are on each cutter.

There are the following profile sizes:

• high profile - 0.03 "(0.762 mm);
• low profile - 0.025" (0.635 mm).

This information can be found in the documentation for the chainsaw. These types of profiles are installed on amateur and professional units. But you should be aware that a pro-class tool may not always be equipped with high-profile chains, and household tools are always equipped with low-profile cutting elements.

High Profile Chains- these are the most productive elements, which means they have an increased “aggressiveness” and, in addition, a noticeable vibration. The latter significantly reduces labor productivity, as it does not allow working with the unit for a long time. Therefore, manufacturers have found a middle ground: with a large pitch, a chain with a low profile is made, and vice versa, if the pitch is smaller, then the profile is made high. These changes remove all side effects as much as possible, the unit starts to work with less “aggressiveness” and normal performance.

It's hard to say which profiles are better. When choosing, you should always be guided by the expected working conditions, the hardness or viscosity of the wood, etc.

The cutting links have 2 types of profile.

Tire size

In addition to the thickness of the tire, which was mentioned above, when choosing a chainsaw, one more parameter should be taken into account - the length of the tire. It is measured in millimeters or inches. Tires of the following sizes are often used: 11″, 12″, 13″, 14″, 15″, 16″, 18″, 20″, 21″, 22″.

For simple jobs e.g. delimbing, cutting thin boards, tires can be used small sizes- 11 or 13 inches. The chain on such tires accelerates to high speeds which is good for performance. The most versatile tire sizes are considered to be between 14-16 inches. In addition to using the unit as a delimber, a chainsaw can be used when harvesting firewood (sawing thin logs). To cut a thick log, install tires 18-22 inches. They are usually used on semi-professional and more powerful, professional chainsaws.

Don't install tires bigger size than indicated in the passport for the unit, since this will inevitably lead to an increase in the load on the engine and, as a result, its rapid wear.

Chain size

This setting always depends on tire size installed on the unit. If you accidentally purchased a chain that is smaller than your bar, you will not be able to wear it. If a given element will be larger than the size of the tire, you will not be able to tighten it. Both options prevent the use of unsuitable chain sizes. They are usually specified in inches and have the following values: 10″, 12″, 13″, 14″, 15″, 16″, 18″ and above.

The chain length is determined by number of links. Links refer to the connecting links that fit into the groove of the bar, not the cutting teeth. When buying, you can specify to the seller either the length of the part in inches, or the number of links included in its composition. Some manufacturers indicate the number of links in the saw element instead of the length. As a rule, this number does not depend in any way on the thickness of the tail, the pitch and the height of the profile. For example, a low profile chain having a drive link thickness of 1.3 mm may consist of 72 links, 56 links, or other number of links.

The order of the cutting links

In most cases, the order of placement of the cutting elements can be of three types.

Cutting links are the main elements of the saw chain and have a high cost due to complex process manufacturing. Manufacturers, by changing the order of the cutting teeth, reduce their number and thereby reduce the cost finished product. But at the same time, due to missing links, the efficiency of the tool is noticeably reduced, and the chain wears out faster.

Carbide Chains

Pobedit is a very hard alloy, superior in strength to glass. Therefore, household glass cutters, various cutting metalwork and turning tools are made from Pobedit, and it is also applied to saw chains of chainsaws. Pobedit is soldered onto the cutting links, where it plays the role of a strong cutting edge. But despite its hardness, this alloy is brittle.

The service life of chains with soldering from Pobedit significantly exceeds the resource of standard cutting elements. Carbide chains are used for sawing through frozen and hardwood, and in rescue operations where reinforced or plain concrete needs to be cut quickly.

The disadvantages of carbide chains include their high cost, which is several times higher than the price of conventional cutting elements.

Chainsaw chains with victorious soldering are very rarely used in amateur practice, since they are intended for semi-professional and professional tool with good power and high torque.

The best brands of chainsaws for chainsaws

According to the reviews of the owners of these units, a rating of chains for chainsaws was compiled. Below are the manufacturers best chains for chainsaws.

1. Stihl is a very well-known Swiss brand that manufactures saw chains made of high-strength chromium-nickel steel. They do not stretch when heated, as usual. This is achieved through the use of a special method of hot riveting in the production. In addition, this manufacturer has patented a lubrication method - “grooves”, which are supplied to all leading links.
2. The company does not design chains, but manufactures them using the best patented technologies. This achieves high quality products. The company also provides a wide range of services to customers, providing warranty service for its products. In addition, the company's customers have the opportunity to purchase original spare parts for mechanisms.
3. Oregon is a division of Blount Inc. The company is considered one of the best among the companies producing saw elements for chainsaws. Oregon also produces various accessories and parts for tools of other well-known brands. The saw blades of chainsaws are made from a special patented alloy, and a chromium alloy is applied to the teeth. To facilitate the sharpening process, the teeth are marked with marks indicating at what angle it is necessary to perform this operation. In addition, the chains have a system that allows you to reduce vibration and original design to distribute the lubricant evenly.
4. Carlton is an American company. All elements of the chain of this manufacturer have increased hardness, since they are shot-blasted at the manufacturing stage. The cutting links have a long edge, which makes it possible to produce a large number of sharpening.
5. windsor. The company has patented a heavy-duty alloy that is highly heat-resistant and does not stretch. Windsor saw blades use stamped links and sealed rivets to ensure high reliability.
6. The chain is made of alloy steel with chrome-plated teeth. The latter are sharpened in a special way, and a hypoid lubricant is applied to the chain, which facilitates the sawing process. The company also uses the method of shot-peening in the manufacture of chains, which increases the strength of the links.

The choice of a chain for a saw must be approached prepared, because it is important not only that the cutting tackle is theoretically similar, but also correctly selected in the context of future work. - we will tell and demonstrate in this article. You will learn about nuances such as part length, the concept of "chain pitch", chain replacement situations, and working relationships with the drive sprocket. The choice of such cutting gear as a chain must be compared with another component of the saw set - the tire. How to do this for Partner, Stihl, Husqvarna saws - we will tell the owners of household and professional mechanisms.

Looking ahead, it is worth mentioning the use quality oil for gear lubrication, which plays an important role in its operational properties. And when replacing, you need to consider the working condition of the tensioner, and other parts of the tool complex associated with it. KosiKosa will be happy to help you with the choice and teach you to distinguish between the moments when the chain is dull and it is time to change it to a new one, and you can always choose any copy in our catalog of spare parts and accessories.

Which chain for a chainsaw to choose

So, we have already said that the chain needs to be changed according to its wear, or when it burst from overload, that is, in the absence of operational qualities details. We emphasize that the leading star changes along with the chain, and the bar of the saw set approximately once for the period of using five chains. Which chain for a chainsaw to choose– advice from KosiKosa specialists:

• count the number of leading links of the old chain. You will be able to find out a more accurate parameter if you consider internal elements. This will be more correct than counting external ones.
• pay attention to the pitch of the chainsaw chain. The pitch determines the length of the drive link and is usually measured in inches. You can find out the chain pitch from the instructions for the chainsaw or by looking at the information on old box from the previous tackle. The chain pitch must correspond to the pitch on the drive sprocket and the tire - it is in this characteristic that the first important relationship of the elements is manifested, their general state when choosing cutting gear.
• determine the thickness of the chain groove. AT technical information to the chain proposed by the catalog, you can find the term "kerf thickness" or "width of the leading link". Must match the thickness of the groove on the guide rail, measured in mm.

We specifically offer different terminology regarding characteristics when choosing a chain, because different manufacturers, implementers can name the same characteristic differently. To navigate - the owner of the saw must know everything. A few clarifications when choosing a chain for Stihl or Husqvarna saws, as these are the most typical samples:

• if the step on the instructions or in the characteristics for future gear is offered to you in the format, for example, 3/8 or 9.32 mm, then this is the distance between the first and third connecting rivets.
• chain thickness - it is also the thickness of the guide links that are on inside gear and slide along the groove of the tire in working condition of the chainsaw;
• “chain length” is much more common than the number of leading links, but we describe all situations for a perfectly accurate choice. So, the length of the chain is determined by the length of the bus itself.

Regarding popular models, “native” chains are suitable for Stihl saws, that is, the same Stihl or from the Oregon brand. Popular Stihl chains - with a sharp tooth for high-performance sawing without impurity and dirt, only pure wood. At the same time, the friction force decreases, but if the operator even accidentally allows sand or earth to get on the chain, it quickly becomes dull. For lightly soiled wood, it is better to use a chain with a semicircular clove. This type glides better over lightly soiled areas.

Oregon chains are also ideal for sawing medium dirt. They differ in the shape, size of the teeth, and the presence of rivets, which reduce vibration. In Shtilev chains, this function is performed by an acute-angled clove. In chains for semi-professional saws, chain pitch 325 is already used, for example, Husqvarna 137/142 models, Stihl MS 280. In professional pitch 3/8, and the thickness of the groove (guide tooth) is 1.6 mm. The teeth are also sharp and semicircular.

There is also a class of circuits with victorious soldering. They are used mainly by special services, because they are ready to cut not only pure wood, but also wood mixed with other materials, bricks and others. The sharpening of these chains takes place on special machines using diamond circles. KosiKosa is happy to offer all types of existing cutting gear, and you already independently select the chain you need according to its parameters.

Everything about chain selection from "KosiKosa" specialists

Chainsaw chain selection- the task is not simple, but not difficult, if guided by our advice. Do not overestimate the potential of a gas tool, but order a cutting tackle that is native to it. It is important to pay attention to certain nuances of the chains, which are not always mentioned in the manufacturer's instructions, but we will tell you.