The Shtil company produces not only chainsaws and brush cutters, but also consumables for them. In this article we will talk about Stihl saw chains, their types, markings, characteristics, and compare them with competitors.
All Stihl chains are marked, thanks to which they can be identified and determined for which models of chainsaws and types of work they are intended.
The name of the chain model must indicate its length (number of links), pitch and width. The type is also indicated. Type is an internal brand designation, thanks to which company specialists can determine the type and shape cutting tooth, dimensions of the link and connecting elements. The designation can be complete, or it can be abbreviated in capital letters, for example, the Picco Micro 3 chain, abbreviated as PM3.
The average user, in principle, does not need such information, because in order to choose the right headset, it is enough to know the characteristics of the chainsaw, the planned volume and types of work.
For ease of selection, the Shtil company website has an electronic consultant that automatically generates a list of chains suitable for a specific chainsaw model.
The service is convenient and understandable, but it has one big drawback: you can select chains only for. If you have a different chainsaw, then you will have to search by characteristics and name, which is not very convenient, since the list of models is quite large.
Below we suggest watching a short but interesting and informative video about Stihl chains, their production process and quality control.
Now let's look at specific models of Stihl chains, their markings, characteristics and purpose.
Picco Micro (PM)
Stihl chain with a low profile, recommended by the manufacturer for use on lightweight chainsaws and loppers. The peculiarity of the chain is a soft cut, with reduced kickback. It has four versions, which differ in the number of links. This:
- 3/8″ P Picco Micro (PM), 1.3 mm (50);
- 3/8″ P Picco Micro (PM), 1.3 mm (51);
- 3/8″ P Picco Micro (PM), 1.3 mm (55);
- 3/8″ P Picco Micro (PM), 1.3 mm (56).
This chain can be used on Shtil MS chainsaws, etc. etc. Recommended retail price from 490 to 550 rubles. The specific price depends on the number of links. Also, the Stihl saw chain can be sold in coils of 50 and 100 meters, and can be riveted using a Shtil riveting machine or similar. Information on how to rivet correctly can be found on our website.
3/8″ P Picco Micro Mini 3 (PMM3), 1.1 mm
Distinctive feature– the narrowest possible cut. Abbreviated designation PMM3. It is recommended for chainsaws entry level, as well as height cutters and brush cutters. Has three versions:
- 3/8″ P Picco Micro Mini 3 (PMM3), 1.1 mm (39);
- 3/8″ P Picco Micro Mini 3 (PMM3), 1.1 mm (44);
- 3/8″ P Picco Micro Mini 3 (PMM3), 1.1 mm (50).
Can be used on chainsaws Shtil MS, 180, . It belongs to the comfort class, because it has minimal vibration and recoil.
Important: a chain with a width of 1.1 mm must be used with a corresponding bar, otherwise it will dangle in the mounting socket, which will lead to rapid wear of both the headset itself and the guide bar.
1/4″ P Picco Micro 3 (PM3), 1.1 mm
Recommended especially for pole saws and compact chainsaws, for example, MS 150 TC-E or MS 193 T. It is considered exclusive because it has a non-standard 1/4″ pitch, narrow and flat design. It has three versions, the length of which is 56, 64 or 72 links.
3/8″ P Picco Micro 3 (PM3), 1.3 mm
This model belongs to the comfort class and is intended for professional use on light and compact chainsaws. The chain offers high performance, comparable to standard performance, while reducing recoil thanks to its low profile. There are several options:
- 3/8″ P Picco Micro 3 (PM3), 1.3 mm, 50 links;
- 3/8″ P Picco Micro 3 (PM3), 1.3 mm (51);
- 3/8″ P Picco Micro 3 (PM3), 1.3 mm (55);
- 3/8″ P Picco Micro 3 (PM3), 1.3 mm (56).
3/8″ P Picco Super (PS), 1.3 mm
Picco Super, according to the manufacturer, is the world's first chain that has a chisel tooth. Developed by Shtil specifically for forestry professionals. Easy cutting, comfortable level of vibration and smooth running. It has a clean cutting surface, which is important for those who carve wood with a chainsaw. Execution options:
- 3/8" P Picco Super, 1.3mm (44);
- 3/8" P Picco Super, 1.3mm (50);
- 3/8" P Picco Super, 1.3mm (55).
Can be used with both professional, semi-professional and household chainsaw models.
1/4″ Rapid Micro Spezial (RMS), 1.3 mm
Designed specifically for figured cutting on wood. A distinctive feature is the shortened upper edge of the tooth, thanks to which there is no need to put pressure on the saw in order for the chain to cut into the wood. It is characterized by high speed and smoothness when performing curved cuts compared to conventional chains that have a similar 1/4″ pitch. Available in two versions:
- 1/4 Rapid Micro Spezial, 1.3 mm(56);
- 1/4 Rapid Micro Special, 1.3 mm(64).
Rapid Micro chain series
The Rapid Micro chain line includes about 10 types, each of which has an average of three versions with different characteristics pitch and width. Rapid Micro series chains combine tooth shape and steel quality. They are recommended for use on Shtil chainsaws operating in agriculture(semi-professional). Short designation RM.
Rapid Super (RS) range
This line is designed for professionals. Of course, no one prohibits the use of such chains on household chainsaw models, but their cost is slightly higher than conventional chains; for example, Picco Micro 3 will be much cheaper.
According to the manufacturer, Rapid Super is capable of working for a long time without sharpening and their productivity is not just high, but extremely high. This headset easily copes with heavily contaminated or frozen wood. If you look at the design options, it becomes clear that this chain is definitely not for light and compact chainsaws. Maximum size, released for sale - 105 links, this is almost twice as long as the chain on Shtil MS 180.
Rapid Duro 3 (RD3), 1.6 mm
This line of Stihl chains has an increased service life due to the use of special hard alloys in them. Intended for use in agriculture, i.e. recommended for semi-professional Shtil models. There are quite a lot of options. Rapid Duro 3 (RD3), 1.6mm can be had in 0.325, 3/8 or 0.404 inch pitches. The most expensive chain in this line costs about 2,500 rubles. and has a length of 66 links.
3/8″ Rapid Duro Rescue (RDR), 1.6 mm
This is a special Stihl chain for emergency work, in our country it received the nickname “Supertooth”. Due to pobedite soldering on the cutting edge of the tooth, it can cut wood with nails, glass, brick and others. Construction Materials. Where there is maximum difficult conditions and a regular chain will be helpless, Rapid Duro Rescue (RDR) will do everything as quickly as possible.
It has a length of 72 teeth, is not available in other versions, and is recommended for use on saws for rescue work, for example, Shtil MS 461 R with a power of 4.4 kW. Manufacturer's recommended price for Rapid Duro starts from RUB 9,060.
All prices that we announced in the article were taken from the company’s official website.
We invite you to watch a video showing a comparative test of Stihl saw chains. The video is in English, but it shows that the tree trunk on which the cutting speed test is being carried out is filled with concrete insert. A regular headset cannot handle even three cuts, while a special one makes more than 10 cuts and remains operational.
Which chain to use for rip sawing
Chainsaw users often receive a question: which chain is suitable for rip sawing and whether there are chains specifically designed for this purpose.
On this moment There are no chains specially designed for sawing a tree trunk lengthwise, and most likely there will not appear, since any saw chain can be used for these purposes. The difference between a regular headset and a longitudinal one is the sharpening angle.
Using a straightening machine, you can make a special one from a regular set - one that facilitates longitudinal cutting. You can find information on exactly how this is done on our website.
Which chain is better Stihl or Oregon
It is quite difficult to choose which chain is better, Shtil or Oregon, because they are almost the same in quality. The Oregon company, like Shtil, specializes in their production and invests in development, constantly improving and releasing new models.
If you compare at the user level, the Oregon is a little softer, they dull faster, but they are lighter. Shtilevsky ones are almost all hardened, the metal is difficult to sharpen, but holds an edge a little longer.
Interesting. According to experts, the issue of headset quality is relative. Many users first use used motor oil for lubrication, and then say that this or that model and brand of chain is of poor quality, although the reason for premature wear lies in the metal shavings contained in any used oil, even that which has had time to settle before filling.
Reasons for rupture of the saw set
Sometimes, while using a chainsaw, the headset may break. This phenomenon is not common, but occurs from time to time. There may be several reasons, the first and most common is severe wear and tear. During operation, the edges rub against the bar, as a result the metal gradually wears off and the chain, unable to withstand the load, breaks.
Important! The use of high-quality adhesive oils can significantly extend the life of the saw set.
The second reason is the untimely replacement of the drive sprocket and saw bar or their replacement separately. According to the recommendations given by manufacturers, the saw set, bar and drive sprocket should be replaced as a set. This will prevent wear, stretching and tearing as a result of increased loads.
Third, this is marriage. The machine disk rotates at high speeds, and if the groove depth is set incorrectly or for some reason the working stroke of the machine increases, then a split second will be enough to trim the edges of the connecting links. If after sharpening you do not check its quality and the presence of cut links, then during work under load, the cut link may break.
The fourth and last one is a defect in the rivets. Common cause a circuit break is caused by its incorrect connection or reuse connecting links. If your cutting set is torn, then this information will be very useful.
Stihl sharpening machine
In conclusion, a little about sharpening machine Calm. Today, the USG machine is presented on the company’s official website. Sharpening on the machine works automatically, and feeding is done manually. The machine is capable of sharpening not only the cutting edge of the working tooth, but also the depth limiter, which is impossible to do on similar competing machines. For more information about the Shtil sharpening machine and its operation, watch the video.
Conclusion
The Shtil company produces high-quality chains for its chainsaws and pole saws, which are popular among both professionals and ordinary users. If we compare Stihl chains with competitors, they are a little stronger, but are more difficult to sharpen manually, which is not very good for ordinary users, since they have to go to a service center for sharpening.
A chainsaw is a tool that is designed for collecting firewood and should be in every household. A special attachment for a chainsaw will help increase the potential of the tool. If you add a device special nozzles, it will make a boat motor, a wood splitter and much more.
Longitudinal sawing device
Sometimes during the construction or repair of wooden structures, sawing of wood is required. It is expensive to purchase such equipment for home work, so you can assemble it yourself. A device for longitudinal sawing of logs with a chainsaw will help you prepare a large number of boards and lumber.
Before you begin assembling the tool, you need to prepare drawings and carefully study them. The entire structure consists of a simple frame and guide. To ensure an even cut, the guide is fixed on both sides of the base. Manufacturing process:
- From square pipe make the frame. Cross section- 20x20 mm. You can use a simple children's desk.
- The size of the clamping part should be from 50 to 60 cm. It is positioned so that the end of each part forms the basis for the next mechanical unit (cross member). To ensure that the crossbar holds securely, it is welded to the structure.
- To install the bolt ties, holes are made in the cross member with an electric drill. To secure the tire, a small protrusion is left at the center point of the cross member.
- Such fastenings are installed in the upper part of the structure. In this case, the width of the bolt clamps must be greater than the height of the tire.
- The supporting frame (10 cm wider than the length) is made rectangular. Holes for nuts are made on both sides, and 2 pieces of 10 cm each are attached perpendicularly. Welding machine the nuts are welded to the support frame.
- To facilitate longitudinal sawing of logs with a chainsaw, the structure is equipped with handles. To do this, a pre-bent metal part is welded to it.
- Then all the finished parts of the structure are assembled together. To do this, clamps and a chainsaw bar are inserted into the groin parts. How wide the workpieces will be depends on the gap between the sidewall of the frame and the tire. Therefore, it is important to secure the chainsaw bar correctly.
To increase the speed and quality of sawing, a chain for longitudinal cutting of products is installed on a chainsaw for longitudinal sawing.
Other devices
There is a wide range of accessories for chainsaws in the store. Devices have their own advantages and disadvantages, which have different effects on the performance of the device. In order not to spend money on purchasing them, you can make a device from chainsaw accessories with your own hands. For inventors who like to make things at home, such a tool will become an indispensable assistant.
boat motor
A device in the form of a motor is often used by fishermen. This is a compact device that easily fits in the trunk of a car and is capable of developing high speed movement. They will equip rubber boats with transoms up to 380 mm high. Specifications:
- weight - 8 kg;
- fuel consumption - 1 l/h;
- travel speed - up to 20 km/h;
- gearbox - 2:1 (gear ratio);
- propeller with 3 blades - 15 cm in diameter.
The disadvantage is high noise. The device is equipped with fasteners and operating instructions. The instructions also indicate how to properly install the outboard motor on the chainsaw.
Winch
The winch for a chainsaw is designed to lift a load of up to 1.5 tons. Unlike electric saws, this device does not require electricity and can be used anywhere. The average weight of the nozzle is 12 kg, and the cable length is 30 m. With its help you can:
- pull out all the stuck ones cars, except for cargo vehicles;
- load complete tree trunks;
- drag cars onto a tow truck;
- pull a plow in the garden.
There are several types of winches for chainsaws. Models differ from each other in weight and dimensions, as well as cable length. The device is more expensive than the electric model.
water pump
The pump is a universal attachment that is suitable for all models of chainsaw. It is compact, easily mounted on the saw and connected. With its help you can:
- pump out water (flooded cellar, etc.);
- fill containers with water;
- pump water.
Hoses are not included in the nozzle kit, so you will have to purchase them separately. Depending on the manufacturer, specifications and device performance vary.
Motor drill
The attachment of a motor drill or ice ax is often used by amateurs winter fishing. With its help, you can drill holes with a diameter of 20 to 35 cm. The nozzle is capable of reducing the speed of the chainsaw to the standard speed of the drill thanks to the built-in gearbox. The device has 2 types of gearbox and drive:
- worm;
- Vlinoreminal.
In addition to drilling holes, the nozzle makes holes. To secure the motor drill, stop the crankshaft. Then the saw is dismantled by removing the drive sprocket and clutch. It is replaced with an adapter coupling, which is included in the kit with the nozzle.
Wood splitter
The wood splitter is designed for splitting thick logs. The attachment has a cone shape and is installed on the saw. The conical end of the device is screwed into the log, after which it splits. This multifunctional model, which is suitable for all types of chainsaws. You can purchase the product at points selling petrol tools or on websites. The cost of the device varies within 1000 rubles. Instructions for installation and operation of the wood splitter are included in the kit.
Jointer
The product is intended for planing boards. This is a simple and reliable attachment that is fixed with simple bolts. The clutch is replaced with a drive pulley, and then a belt is put on it. The planing shaft is driven by this belt. The shaft is equipped with 2 knives. The higher the speed of the saw used, the better the processing of the boards. Disadvantages of the device:
- In order not to damage the saw, manufacturers recommend not using a jointer, as it will cause the engine to burn out. If you reduce the number of saw revolutions during operation, you can avoid damage.
- This attachment is not universal. To attach it to the chainsaw, remove the drive sprocket and put on the pulley. And since each chainsaw has its own holder, the jointer is used only on some models.
Bark beetle
Using a bark beetle attachment, they clean off tree bark, branches and various growths. According to the installation method and appearance The device looks like a jointer. It consists of a belt and two pulleys. The stop bar that the jointer has and prevents the knives from going deeper is absent on the bark beetle.
Bulgarian
The grinder is the cheapest and easiest to use attachment, which is very popular among users. It is not universal and is not suitable for all models of chainsaws.
The device consists of:
- pulley (driver and driven with shaft);
- frames;
- belt;
- protective housing.
The grinder is installed on the saw instead of the tire. The nozzle gained popularity due to its simple design and standard discs. This mobile device, which is used in places without electricity. The grinder is equipped with not only a cutting disc for cutting metal, but also a carbide disc for reinforced concrete. With it, the tool turns into a wall chaser. You cannot attach the attachment to a tool that has a power supply of less than 2 kW, as its motor will be under heavy load and burn out.
Leading manufacturers of household and professional chainsaw equipment offer a range of latest models with universal properties. A wide selection of chainsaw attachments help you use the tool's working capabilities with greater efficiency.
A significant portion of fairly expensive household tools are used from time to time. The use of a chainsaw as a drive for several types of replaceable equipment allows you to mechanize labor-intensive household work with less material costs.
The list of operational capabilities of chainsaws has been expanded and successfully implemented due to removable additional equipment. It includes attachments and accessories of the for various purposes.
Most of the range of attachments is aimed at completing branded models. The capabilities of budget chainsaws in this regard are very limited.
- Even a small kit allows you to mechanize a significant part economic works related to special processing of wood and metal, drilling wells, caring for ornamental shrubs.
- It is possible to use the saw as a boat motor, lawn trimmer, gas cutter or household compressor.
- The efficiency of using replacement equipment is facilitated by stable traction characteristics and efficiency of power units, adaptation of branded chainsaw equipment to difficult climatic factors.
In practice, it has been proven that chainsaws from leading brands can be successfully used in a wide range of applications. temperature range.
Combination of angle grinder and gas cutter
The universal grinder attachment is driven from the drive shaft of the drive sprocket via a V-belt drive. The device is mounted on the saw body with studs designed to fix the saw bar.
Diameter emery wheel selected depending on the engine power and the characteristics of the work to be done. The USHM-1 petrol cutter attachment copes well with abrasive cutting of natural and artificial tile-cladding materials, metals, and cleaning of welded joints.
The angle grinder-1 works with standard and diamond wheels with a diameter of up to 20 cm, with a mounting hole of 22 mm. An abrasive attachment for cutting metal can be a good addition to the tools of a home workshop or equipment of a small car service.
Chainsaw as a drive for a light boat
Popular nozzle " boat motor» is activated by means of a gearbox and pulley extension, which is mounted instead of the drive sprocket. Depending on the engine power, a boat equipped with a two- or three-bladed propeller can reach speeds of up to 20 km/h.
Drilling and compressor equipment
Simple in design and easy to use ice drill attachment in winter time used in fish farms to supply air to frozen bodies of water. The effectiveness of using combined equipment has been confirmed in practice.
Lightweight, compact and quite productive ice auger - included in the equipment set for amateur winter fishing. As a result of natural selection, high demand for the most successful developments has stabilized.
In particular, excellent operational properties characterized by the MB-2 Ice motor drill. The nozzle is driven through a reduction gearbox, which reduces the shaft rotation speed to 150 rpm. This model differs from similar analogues, minimum time settings, ranging from 5 to 10 minutes.
The replaceable compressor nozzle is inferior in operating parameters to many household-grade mobile units. However, for the aeration of small stocked reservoirs, the operation of pneumatic paint sprayers and sprayers, its performance is sufficient with a reserve.
Replacement equipment for working with wood
Milling and drum attachments for removal tree bark and cleaning construction wood from surface irregularities, are represented by several types.
The most famous are the Bark Beetle and Debarker models, with a working grip from 80 to 100 mm. The cutter attachment specializes in advanced cutting of construction wood. With its help you can plan logs, cut cups and mounting grooves.
The equipment is used in wood construction for pre-assembly processing of industrial wood. The products are equipped with removable knives that can be easily dismantled for sharpening cutting edges and a set of extended threaded fasteners. The bark beetle attachment is activated from a pulley, which is installed instead of the drive sprocket.
With appropriate drive power, bark stripping attachments can be used to remove knots, sharpen stakes, and create corner locks for log cabins.
With precise adjustment, the bark beetle replacement device can be used as a plane attachment. The quality of surface treatment of construction wood is determined by sharpening the cutting edges of replaceable knives.
Devices for longitudinal sawing of construction wood
IN standard version, for longitudinal and diagonal cutting of wood are used with a certain sharpening angle. No less efficient and productive special devices.
A fairly durable attachment for longitudinal sawing, which does an excellent job of sawing logs and boards, costs about 2,000 rubles. This is the approximate cost of four saw chains, which have a very limited service life.
Replacement household equipment
This list includes devices designed for caring for ornamental shrubs and lawns. The brushcutter attachment will help tidy up a living fence or behind a short time clear the area of young growth.
The removable rotary trimmer attachment is inferior to a household lawn mower only in terms of ease of operation. Its design allows you to process lawn areas with fairly high quality and in an extremely short time.
Traction devices
The cable “Winch” installed on a powerful chainsaw is characterized by wide functionality. The pulling force of the nozzle varies in the range of up to 2 tons, the range of action is up to 30 meters.
In the operational capabilities of the traction device:
- skidding of felled trees;
- removing stuck vehicles;
- lifting work and moving non-standard cargo by dragging or using rollers;
- plowing of heavy soils on land plots difficult to reach for tractor equipment.
Motorists living in regions with bad roads willingly equip their cars with chainsaws and winching equipment.
Chainsaw as a pumping unit
The autonomy of the gasoline drive is highly valued in irrigated farming areas. Compact and mobile pumping units are effectively used to supply water to areas located at a great distance from power sources.
Such devices are in particular demand in private and small-scale production. farms, for watering crop areas, as well as drawing water from wells and artesian wells.
Alternative developments
As the popularity of replacement equipment for chainsaw equipment grows, new options are being developed. The list of offers has been supplemented with several types of removable attachments for the Wood splitter. The device is a rotating conical rod with a screw thread.
Advantages of replaceable attachments
In the first case, there is a significant cost savings on purchasing a set of household tools for various purposes.
- The price of several nozzles is 2-3 times less than the cost standard set. In terms of functionality, many branded models are not inferior to highly specialized household analogues.
- Replaceable attachments for chainsaw equipment take up less space; prompt replacement of a standard saw bar with any replacement equipment, provided you have the skills and the appropriate tools, can be done within a few minutes.
- The use of attachments increases the payback of a chainsaw several times. The tool, which is most often used for harvesting fuel wood, can be used to solve many household and construction problems.
Flaws
Technical and performance characteristics chainsaws are oriented to a given level of workload and special regimes work. Some owners of prestigious professional chainsaws opposes the use of attachments.
Refusal is motivated by necessity long work engines at maximum speed, in some cases due to a lack of torque, a forced reduction in the overhaul life.
As a result of the research, it is safe for the resource and technical condition models of cable winches, bark peelers, wood splitters and compressors were recognized as attachments.
- In particular, when working with angle grinders, the air intake filter becomes intensively clogged.
- Installation of boat equipment and a pump nozzle requires a long period of operation of the high-speed chainsaw engine at maximum mode.
These shortcomings are partially or fully compensated by the increased wear resistance of modern power units, an increase in the actual service life of chainsaws from 1500 to 2000 or more operating hours. The durability of engines is also positively affected by the use of heat-resistant branded motor oils.
Find an attachment for a chainsaw for longitudinal cutting at modern market It’s not difficult, you can do it yourself. What type you will need in your work depends on the location of the cut (can be horizontal or vertical), diameter wood material which you will process, the level of ease of use and cutting accuracy.
Device for longitudinal cutting of logs
Longitudinal sawing of logs is carried out using a special device. It consists of the following components:
- an adapter that is fixed on the tire in the base area;
- guide, the main task of which is to transmit linear motion to the main component.
The last component was attached to the board on the log that the operator was going to saw.
This kind of device, as we have already found out, having examined it design features, guarantees rectilinear movement guide rail, which ensures accurate longitudinal cutting.
This device allows you to:
- sawing a log into two parts;
- sawing material into quarters;
- cut a beam from a log that will be used for construction work(it will look neat, so the masonry slopes look good);
- split the logs into several beams or boards.
Please note that if you have set yourself the task of cutting into logs and beams, you will have to change the position of the board many times. In addition, good dexterity is useful for precise cutting. At first, the loose end of the guide bar will move sideways. This will not allow achieving consistency of performance and exact parallelism of each side of the board or beams.
A device similar in design can be used to cut material in a horizontal position if necessary. If you carry out comparative characteristics, then the device for cutting vertically makes it possible to obtain wooden elements of equal thickness at the output, which makes it possible to characterize this attachment as accurate and functional.
Second adaptation option
The main design features of this device:
- fixed on the guide of the saw set not in one place, but in two, at the tip, as well as at the beginning (the structural type is frame, which ensures maximum strength);
- the fastening area can shift, it all depends on your needs along the guide, which makes it possible to install according to the size of the log desired value width;
- the component (guide) of the device can be located at any distance in relation to the tire, which also allows you to focus your work on the required dimensions of boards and beams (primarily thickness).
How to work with such a device? Simply and easily:
- We make the first cut in a horizontal plane using a guide, a structural part of the frame installed on the log;
- the second and further cuts are made, focusing on another main surface, which usually serves as the flat surface of the previous move.
Important! To prevent the saw from becoming jammed during operation of the power unit and the device for longitudinal cutting, spacers are inserted into the cut to prevent the sawed area from narrowing.
What to do if the operator needs to cut a log whose diameter is larger than the saw guide installed on the tool? Then you need a complex chainsaw attachment for longitudinal cutting. Please note that in this case, even the rated engine speed will not allow the lubrication system to release enough oil to ensure that the entire chain is lubricated evenly.
To improve the quality of lubrication and avoid rapid wear of the bar, sprocket and saw element, more consumables. To ensure that the oil is supplied by gravity, the reservoir is mounted at an elevation relative to the guide.
Universal device for longitudinal spreading
The universal device Big Mill allows you to accurately cut logs, even those whose diameter reaches 500 millimeters. In this case, the exact thickness of the boards can be set based on a special ruler, which the operator will find on the device stand (applied directly to it). Many craftsmen create their own devices, focusing on the model of this type of universal attachment.
How to unravel a log lengthwise using universal device? Follow this algorithm of actions.
- Let's take a couple smooth boards, we connect them, forming a T-shaped structure with an angle equal to 90 degrees. This design will act as a ruler, allowing the tool to move smoothly. In this case, the docks need to be twisted in such a way (taking into account the dimensions of the device for longitudinal release) that the power unit does not touch the ruler (it should be placed at a distance of 10 millimeters above).
- Creates a pair of stops, which are ready-made from two parts (L-shaped). These components will prevent the log from rotating when it is cut. For reliability, the boards are secured with metal corners.
- Rolls the log onto the stops (it is easier to roll those whose diameter is relatively small). If necessary installation big log on the stops you will need to turn to someone for help.
- We connect the ends of the log and the stops using self-tapping screws (take those that are longer than the rest). You should not use nails, since the second longitudinal cut will require you to rebuild the entire structure.
- The T-shaped structure, which acts as a ruler, is attached to the stops with clamps.
- The ruler is connected to a chainsaw, on which a universal device has already been installed.
- Now we adjust the thickness of the boards that you want to get in the end. When setting this parameter, do not forget about the thickness of the saw and the gap between the T-shaped structure and the blade (10 millimeters).
- We turn the material for cutting away from ourselves by 30 (this will make cutting longitudinally much easier).
- We make a cut lengthwise.
- He removes the ruler, unscrews the clamps, and removes the stops at the ends.
- We place the T-shaped structure on the plane that we got after the first cut, secure the guide element with self-tapping screws.
- We fix the log as securely as possible in order to make an accurate second cut in the horizontal plane. It will run perpendicular to the first cut.
This method can be used for the third and fourth cuts (each time, re-setting the ruler) to obtain a square loaf at the end.
If your task is to saw a log into boards, then after the second horizontal cut we no longer use a ruler, performing all manipulations only with the help of a universal device. We will use one plane as a guide. As a result, the operator will receive a semi-edged board.
Craftsmen know that any profile that has such characteristics as:
- high structural rigidity;
- light weight.
Available materials that meet such requirements are aluminum and duralumin. The best option is a device made from levels (aluminum) and plaster rules (this element served as a guide). The plaster rules are aluminum parts, although you can safely use another lightweight profile down to the boards and stairs (it’s good if it’s also aluminum). An alternative, of course, can be an iron element, but then the nozzle will be heavy and inconvenient to use (it will cause a lot of inconvenience during prolonged use).
Taking into account the friction force during operation of the power unit, care must be taken to increase the productivity of the tool. To do this, it is recommended to use aluminum rollers to serve as your base. Another a good option– use of plastic (the main thing is that it is elastic), which must be fixed to the base of the nozzle with bolts.
How to choose the right chain STIHL .
Saw chains have several basic parameters. Using them you can choose a chain that is guaranteed to fit your saw.
Chain pitch. Usually measured in inches. There are 3/8”, 0.325”, 0.404”, ¼”. If you need a chain with a 3/8” pitch, you need to keep in mind that two completely different chains are made with this pitch - low profile and full profile.
Thickness of the drive chain link. Must match the width of the groove of the bar with which this chain will work. Available in 1.1mm, 1.3mm, 1.5mm, 1.6mm.
Number of chain links. Determines the length of the chain and, accordingly, the length of the bus.
If you have chosen the parameters correctly, the chain will fit your tire exactly.
But chains also differ in types. Some cut faster, others are safer, others are more comfortable, others are adapted for special cutting conditions, etc. The differences lie in the shape of the cutting tooth, connecting links, intermediate links and materials used to manufacture these parts, the thickness of the cutting part of the chain, etc.
The site presents almost all types of chains that STIHL offers. The chains are combined into groups in which chains of different lengths are identical in parameters. As you can see, there are more than 20 of these types. Short description there is something for everyone. And what’s more, Stihl produces such a wide range of chains that you can always choose the right one not only for STIHL saws, but also for any other saws. And usually several types.
If such diversity makes you yawn, call or come to us. We will tell you and select the right STIHL chain. And we'll tell you how to serve saw chains how to use them most effectively. Yes, and we’ll help you sharpen it.
