The angle of sharpening of the strip drain in the winter. DIY DIY DIY DIY DIY and Sharpening
To reduce the friction of the saw on the walls of the cut and exclude clamps in the propyla, it is necessary that the width of the cut is slightly larger than the thickness of the saw blade. To ensure this requirement, the teeth of saws are diluted or flattened. The divorce of the teeth is that the teeth drank alternately bend on both sides: odd in one, and even in the other. Distinguish between two methods of divorce of teeth: direct divorce and turn with a turn.
SV-80 MN 39000 /pcs
The SV-80MN divorce device is designed for simultaneous bilateral wiring of the teeth of tape saws up to 80 mm wide, used on horizontal and vertical tape sawmills and tape-dentic machines.
It is carried out according to the repeated scheme: to the tooth to the left, directly (without wiring) to the right to the right. Teeth diluted to the left and right serve for sawing. and a straight tooth without wiring serves to remove sawdust.
In this type of device, simultaneous wiring of teeth in both directions is provided (left and right). In this case, the center tooth, as expected, remains direct and not divorced.
The divorce is about 0.5 saw thickness with a deviation from size by 0.02. 0.03 mm. over, for soft wood, the size of the divorce is greater than for a solid. It is recommended to check the size of the wiring of new saws, as well as sharpened, t.to. After sharpening, the wiring is reduced.
Distinctive features: wiring of teeth simultaneously in both directions; When rotating the handle, pushers of the supply of saw and divorce of teeth are driven into motion; Two types of teeth divorce: left-right; left-right. The possibility of wiring tape saws of any brands of simplicity and reliability of the structure; High accuracy of stripping ribbon; Low cost and fast payback.
Standard equipment: Divorce assembly instructions for operating
Technical characteristics: length of diluted ribbon saws min / max, mm 1500 /6500 width of diluted ribbon saws min / max, mm 8/80 step to tooth, mm 5. 25 tooth height, mm up to 10 thickness thickness, mm 0.5. 1.5 manual drive, kg 7
Divorce ribbon machine “Taiga
The necessary equipment for maintaining tape saws is a machine for wiring tape saws.
The machine is mechanical, easy to maintain and reliable in operation.
Taiga’s divorce machine, made by our enterprise, has a number of design features that distinguish it from other machines:
Light adjustment of the installation of tape saws in height processing. Fixation of the switch indicator by means of reliable fastening. The possibility of free installation of adjustable supports to support the saw in length. A plate of high.alloy steel (65 g) on the supporting matrix is installed. it does not allow the hot teeth of the tape saw to wash the metal in an important site. The presence of a string pitch fixer. Control of the accuracy of a divorce of teeth immediately after pressing the machine lever.
It is important to remember that for a perfectly prepared for high.quality sawing, a saw prepared according to the following technology is a saw: Dear divorce. Sharpening of teeth- dentition divorce (refinement).
There are such concepts as winter and summer divorce of tape saws. For frozen and solid wood, the size of the teeth divorce is increased, for soft and fibrous wood, the divorce is reduced. Technical characteristics of the machine size of the processed strip saws. length/width (mm.) 6000/20-50 Step of teeth (mm.) 22.) 0.1-3 total weight (kg.)/volume (m.cube.) 6.5/0.fifteen
Characteristics
Three distinctive features are characteristic of strip saws. They are made only of special varieties of instrumental steel, which provides high indicators of strength and wear resistance of teeth. Manufacturers usually use steel of 9XF and B2F categories, foreign companies prefer the C75 series. In any case, the hardness of the material should be at least 45 HRS.
The width of the cutting of the canvas of the tape saw is much already already than that of disk analogues. As mentioned above, this is a fundamental factor in the processing of valuable wood and business wood.
Saws can easily cope with blanks of any length and diameter. At the same time, a properly sharpened strip saw provides high production productivity.
It must be clarified that the reliability of closed saws is explained by the heterogeneity of the material that is used to make the canvas.
In particular, the body of a saw instrument is usually made of spring steel, which has incredible resistance to stretching and dynamic loads. Varieties of steel with a high molfram and cobalt go to the manufacture of the cutting edge. Individual parts of the canvas are welded to each other with high.frequency currents. Tools made using this technology can be used to saw metal.
Materials and their characteristics
Before starting work, you should know why the strip saw (tape) is used, what materials are used and what parameters should be withstanded when sharpening the ribbons of ribbons.
Ribbon saw is a specialized tool for cutting wood in special machines. The canvas of such a tool is a closed ribbon that can have teeth or a flat sharp cutting edge (undersized). Such woodworking inventory makes very neat and very thin cuts, which allows them to be used for finishing work, work with valuable wood, as well as in order to make both longitudinal-transverse saws and cuts at any angle and in any plane of the material. Their advantages include a high speed of material processing, a high service life of the cutting edge and the accuracy of the cut line. In order for the saw to always be ready for use, as well as for high.quality cut, it is necessary to constantly undermine the cutting edge, and if it is wear, to make full sharpening.
Forms of the cutting part and angle of sharpening
At the first stage, the type of tape saw is determined. The main indicator is the shape of the teeth. Depending on this parameter, they are divided into dividing, carpentry or designed for sawing logs. The original geometry and the angle of wiring are determined by the manufacturer. This data is recommended to be recognized at the stage of purchasing components. They are needed to determine the parameters of the machine.
For solid types of wood, the value of the front angle should be minimal. This provides optimal contact of the processing material with metal. If you plan to process soft varieties. to increase the processing speed, you can use models with a large value of the front angle.
The determining parameters for independent updating the cutting edge are:
- The step of the tooth. This is the distance between the cutting elements of the structure. Frequent values - 19, 22 and 25 mm;
- tooth height. The value from its base to the top;
- corner. The main meaning that you need to know for the formation of a cutting plane. For carpentry models, it is 35 °. In dividing saws, the angle is from 18 ° to 22 °. In structures for processing the beam-10 °.15 °;
- divorce. Determines the deviation of the tooth from the common plane of the canvas.
After performing work on the machine, these characteristics should ideally remain unchanged. For each model, the manufacturer determines the maximum deviation value. If it is achieved during operation, it is necessary to purchase a new model.
In order to eliminate resonance in some types of cutting tools, a variable step of the location of the teeth is made. This does not affect manual sharpening, but requires a thorough installation of parameters during automated.
Instructions for working on a tape.saw machine in the event of an accident
Before forming the cutting edge, the correct wiring of the teeth should be done. Throughout the entire period of operation due to constant loads, their location may change. Therefore, at first, geometry is adjusted, and then sharpening.
Wiring is a bend of teeth relative to the plane of the main canvas. This procedure is performed only on a special machine. In case of high discrepancies along the entire length of the tape, premature damage or breakdown of the canvas is possible. Therefore, before that you should decide on the type of wiring.
The angle of inclination must correspond to the initial. The type of wiring is also taken into account, which may be as follows:
- Classic. Alternate bends of teeth relative to the canvas in the right and left sides;
- cleaning. The first and second teeth deviate to the right and left, and the third remains unchanged. Such a technique is used for saws that are designed to process hard rocks;
- wavy. The angle of wiring for each tooth is individual. As a result, they form a cutting edge resembling a wave. The most difficult type of wiring.
During the execution of extension of the deformation, not the entire tooth is subjected to, but only part of it. Often the deviation occurs 2/3 of the total height.
The average divorce is limited by values from 0.3 to 0.7 mm. This applies to standard models of tape saw on wood.
Sharpening recommendations
The right choice of the type of sharpening circle is important. It must correspond to the steel brand from which a strip saw is made. Corundine circles are used for instrumental steel structures. If you need to improve the cutting properties of bimetallic models, you should use elborus or diamond circles.
Depending on the technical capabilities, it is possible to perform full.profile processing or each cutting part separately. In the first case, you will need an elbox circle, the end of which has the same shape as the saw. For the second option, each tooth is processed.
Previously, you will need a machine. It should have the functions of regulating the speed of the disk and a change in its location relative to the tool. After fixing the canvas in a special bed, such actions should be performed according to the following instructions.
According to the same technique, all other teeth are updated. It is important that the values of the angles of the entrance and exit are everywhere the same. Otherwise, with the differences of geometry in one of the parts, operational qualities deteriorate.
After the processing is completed, it is recommended to finish. treat the surface with fine.grained emery. During this process, the geometry of the canvas should not change.
With prolonged contact of the circle with the metal, the temperature on the surface of the latter may increase sharply. To eliminate this effect, special coolants come directly from the machine. The feed is carried out constantly to avoid the formation of the intensity zone. In this part, the mechanical strength will be worsened.
In order to avoid the appearance of Zazubrin before processing wood, you need to check the presence of metal components in it. Particular attention is also paid to fixation and uniform handling for sawing.
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In the video, you can familiarize yourself with the recommendations for amateur sharpening:
Operating instructions for tape saws
Wood-Mizer tape saw instructions
Wood-Mazer saw is made of high-carbon steel and heat-treated in such a way as to ensure the maximum stability of the saw in the propyle. That is why our company recommends the use of Wood-Mazer saw, however, any positive quality cannot but have the side effects accompanying it. There are such WoodmAizer saws. They require a more strict attitude from operators and sharpeners.
The step of the tooth of the blade is the distance between the peaks of two neighboring teeth. For Wood-Mizer blades, it is 22.0 mm. The step of the tooth is constant and does not change during the sharpening process.
The height of the tooth is the distance between the base of the interdental deepening and the top of the tooth. Due to the presence of an interdental deepening of the sawdust during sawing are removed from the working area of the blade. The height of the tooth should be sufficient to ensure the removal of sawdust accumulating in the interdental recess during sawing.
The height of the teeth of the Wood-Mizer blades is optimal for any type of sawing. When sharpening the blade, the height of the tooth decreases. To preserve the required height of the tooth, it is necessary to deepen the groove between the teeth until the height of the tooth is 4.8 mm. Cm. Table 1 at the end of this section.
Blades with teeth 4.8 mm high. used for any type of sawing. Blades with teeth high 4.0 mm are mainly used for sawing frozen, solid wood. Blades with teeth high 4.3-6.4 mm can be used for processing very soft wood.
The angle of sharpening, the degree of sharpening and wiring of teeth are the most important factors that affect the working characteristics of the blade. All these factors affect the quality of sawing and the performance of the sawing installation.
The angle of sharpening is the angle of deviation of the end of the tooth from the vertical. Due to the presence of the angle of sharpening, the tooth “hooks” the wood. The tooth should penetrate deep enough into the wood so that the blade itself can effectively produce sawdust. If the sharpening angle is too large for this speed of the saw, then this can lead to the appearance of vibrations and, as a result, a deterioration in the quality of the saw. With low sharpening angle, the tooth will not enter the wood to a sufficient depth, which can lead to additional loads during sawing and deterioration of the quality of the saw.
The size of the angle of sharpening depends on the type of wood processed and the performance of the installation. As a rule, the smaller the angle of sharpening, the lower the performance of the sawing installations cm table 1 at the end of the section.
The angle of sharpening recommended for most cases is 10.12 degrees. For sawing solid rocks.For frozen wood, a sharpening angle of 12.5-15 degrees is recommended.
The angle of the end is the angle of deviation of the end of the tooth relative to the blade itself.
In the non.circuit position of the tooth, the angle of the end is 90 degrees. When wiring the blade, the angle of the end changes several degrees and becomes more than 90 degrees.
Wrestling of teeth is an important factor.impact characteristics of the blade.
Renting of teeth is a linear value of the tooth deviation to a given angle relative to the plane of the blade. The more wiring the teeth, the wider it drank and a greater effort is required to be applied during sawing.
Cm. Table 1. The recommended wiring of teeth is usually 0.fifty.55 mm for 1.1 mm of blades. When working with hard rapids and frozen wood, the wiring must.be enclosed in the range 0.4. 0.45 mm for 1.1 mm of blades. Large wiring is used when working with soft wood (0.55. 0.6 mm for 1.1 mm of blades).
Remember that when sharpening teeth and reducing their height, wiring also decreases and it is required to carry out the wiring of the teeth of the blade.
Wood-Mizer saw was originally much more rigid than almost all its main competitors, so it does not lose stability at a smaller one than other tension saws, and the less tension, the less voltage arising in the canvas and, as a result, the less probability of gap saws.
In order to properly set the tension of the canvas on the sawmill, the following should be done:
It is necessary to cut on the minimum possible tension (150. 170 atm.) it will extend the life of the saw.
In order to get high.quality lumber, without overpaying for saws, you need to observe a number of simple requirements:
a) It is necessary to monitor the condition of the belts on the pulleys, two belts are less than one saw, so you can afford to change them a little more often, and save completely incomparable money on the saws. It is absolutely unacceptable to pass the canvas of the saw on the metal, if this happens, then the saw will not be simple and one hour.
b) It is important to properly set the saw canvas on the pulleys: the distance from the tooth hollows to the edge of the pulley can vary depending on the type of machine.
c) properly set the guide videos:
d) when the saw, the shape of the tooth should be repeated exactly with the sample.
E) The wiring of the canvas must meet the work performed, since the canvas confidently sawing a log with a diameter of 30 cm., It will not be the same success to saw a log with a diameter of 60 cm., because the volume of sawdust diverted from cut.
f) Choose the right grease for the saw. The optimal lubricant is a mixture of 50% diesel fuel and 50% oil for lubrication for tires of chainsaws (for sawing at a temperature below.15 °.FROM). This mixture should be applied on the saw with a thin layer by spraying. There should not be a lot of lubrication, one spraying is enough for a while. You can easily notice that it is time to lubricate it on how the sound will return, the disappeared after applying the lubricant. Apply grease so that it falls on both sides of the saw. The use of lubrication will also reduce the number of “bloomed” boards, from sawdust and water falling on them
g) Remove the saw tension as soon as you stop sawing
During the sawing process, the saws are heated and, as a result, increase in length. Cooling, saws strive to shake to their original size and in the process of this excessive stresses occur in the saw. In addition, there is a memory of two pulleys in the saw, which does not lengthens the life of a saw.
Besides. The belts on the pulleys are crumpled, which makes them, firstly, not round and adds additional vibration to the saw, and secondly, he cuts out the “pursuit” on the belt that provides the very centering of the saw on the pulleys.
Drinking with tape saws
On narrow strip saws, they mainly make the divorce of teeth saw, and on wide. Pling, stellite and attack of hard alloy plates on narrow saws of the front angle most often is 10-12 °, on wide saws it should be: from 25 to 27 ° in summer conditions, 23-25 °. In winter conditions. This is due to the resistance of the tooth during sawing. If the quality of the sawn surface is low, either the teeth of the saw will be torn or the “wave” will go, so it is advisable to rewind saws in order to reduce the height of the teeth by 1-2 mm or reduce the feed rate.
The most running wide ribbon saws. This is a tool with a 40-50 mm pitch.
Profiles and angular parameters of tape saws
It is advisable to use a saw with a chipper when sawing frozen wood, and the front angle can be 23-25 °. On such a saw, the breakdown of the shavings provides a small one (r = 1-2 mm instead of 5 mm, like a conventional ribbon saw) radius of rounding at the base of the saw tooth.
When divorcing the teeth drank, especially when sawing logs of large diameter, use a “complex” type of divorce: one tooth to the left, the second is not bred, and a third. to the right. This method of divorce of teeth contributes to the greater stability of the saw in the propyle and the qualitative removal of sawdust from the cut.
B loss to the side can also be reduced by 15-20% due to the weakening of such a phenomenon in frozen wood as the elastic restoration of wood fibers in the propyle, as a result of which the load on the teeth and body of the saw also decreases.
The first drank
Important is the choice of the edge of the sawing wood to start processing. When sawing a timber and circular processing, the masters use 2 methods.
The worst line is the first to cut the first, the tag of the log is not taken into account. Taking into account such a feature means tilt, raising the log so that the saw works parallel to the bark. Short boards and a large number of humps will come out of this part.
Since the conical is not taken into account, on the best edge of the log, sawing will go parallel to the bark without tilt and lifting, this approach will allow you to get a maximum of long boards of good quality.
Drawing boards of different cuts
Start with the best edge of the log, but the cones to take into account. That is, set a log so as to direct the saw parallel to the bark.
The result will turn out the same, but in the second method the sawing worker is easier to choose the best line, as it is visible. In the first method, the best part is hidden and inaccuracies are possible when installing a log. If the sawn wood of high quality, both methods work the same. With lower quality raw materials, it is better to use the second method.
The purpose of the wiring
The divorce of the strip sawmill performs a very important function. it largely reduces the friction between the canvas and the wooden blank due to the increase in the width of the cut. This is achieved by bending teeth regarding the canvas. But over time, during operation, the cutting elements change their position, which leads to a decrease in the size of the cut. As a result, friction increases greatly, and this can cause a bite of the canvas.
The operator performing the service needs to know how to make a tape saw divorce correctly. Failure to comply with the parameters can lead to a wave of sawing, leaving the canvas. In addition, a certain sequence of bending of teeth should be observed.
As the instruction reads, the divorce of strip saws should only be performed on a special machine, which has an indicator in its design to determine the size of the bending. In this case, all teeth should be taken aside to the same value. The divorce range varies in values from 0.3 to 0.7 mm.
Setting up of tape.saw equipment
The working and high.quality operation of the carpentry depends directly on the equipment settings. There is an installation adjustment scheme. First, the wheels are installed parallel to each other. Then the fluoroplastic washers are installed, necessary to prevent vertical displacement.
The first time the launch is performed without guides. At this stage, they check the smoothness of the launch and cleanliness of the engine, and then the test cut is already carried out using the canvas, but with minimal loads. A block with guide tapes is used to work with increased load. This design consists of two halves that are installed along the line of the cutting canvas.
Before, masters did not do with their own hands not only machines, but also a cutting canvas. It is difficult to close the strip unit in the ring yourself and it requires at least some initial experience in assembling the machine. Manual method is carried out and sharpening according to the template. All this can be done yourself by saving your money, but the modern market is simply filled with all kinds of devices and details that improve the quality of materials processing or make the equipment multifunctional. The main thing in this matter is to remember about safety measures, because production models or homemade are a great danger to human health.
Taking methods
Sharpening of a tape saw on wood can be performed in one of the following methods:
Full.profile turning has the following advantages:
- operations are carried out with high accuracy, as they are performed on automated machines;
- A special form emery passes through the entire surface of the space between the teeth simultaneously with the planes of neighboring cutting edges in one movement;
- Verses of the correct shape without angularity are formed.
The sharpening of the faces can be implemented in the following ways:
- A machine with a flat abrasive circle or a special shape is selected, depending on the profile of the cutting edges.
- At home, it is recommended to carry out processing with an engraver or ordinary emery suitable sizes. For work, you need to put on glasses and gloves.
- In the absence of tools from paragraphs 1 and 2, the use of supers is allowed.
Sharpening of a tape saw on the machine
Signs of a correctly diluted saw
The correctness of the divorce can be judged by the contents of the saw, filled with a mixture, 2/3 of which are sawdust and 1/3. air. In practice, this is manifested in the fact that the saw with proper intelligence evacuates from the saw more than 4/5 of the volume of wood trifles.
With a very large wiring in the cut, the volume of air increases and the removal of waste deteriorates. With a small torn of the teeth, the board is covered with a layer of tightly compressed hot sawdust.
With too large divorce, sawing will be with jerks, with a small one will become a wave.like. We consider it worth reminding again that only the upper part of the tooth is divorced so that sawing occurs only by a sharp corner at the very top of the tooth. Before the divorce, the saw is sharpened with the minimum of the cutting of the metal, literally limited to stripping burrs.
Sharpening of a strip saw
To prevent the rupture of the tool during operation, it is necessary to observe the rules of sharpening.
The hardness of the teeth determines the circle that will be used for sharpening. So, instrumental steel is treated with corundimental circle, a bimetallic saw with a diamond or bronze sample. The parameters of the tool determine the shape of the sharpening circle.
Before moving directly to sharpening work, it is necessary to give a saw a saw for 10-12 hours in a well-turned state.
The purpose of the wiring
The divorce of the strip sawmill performs a very important function. it largely reduces the friction between the canvas and the wooden blank due to the increase in the width of the cut. This is achieved by bending teeth regarding the canvas. But over time, during operation, the cutting elements change their position, which leads to a decrease in the size of the cut. As a result, friction increases greatly, and this can cause a bite of the canvas.
The operator performing the service needs to know how to make a tape saw divorce correctly. Failure to comply with the parameters can lead to a wave of sawing, leaving the canvas. In addition, a certain sequence of bending of teeth should be observed.
As the instruction reads, the divorce of strip saws should only be performed on a special machine, which has an indicator in its design to determine the size of the bending. In this case, all teeth should be taken aside to the same value. The divorce range varies in values from 0.3 to 0.7 mm.
Types of wiring. The nuances of the operation
Before you make a divorce on a strip saw, you should first determine the type of bending. In total, several types are used:
- Classic divorce. It differs in that the teeth alternately bend in different directions. That is, one element bends to the left, the second. to the right;
- cleaning. Slightly different from the first option. Its essence is that two teeth are divorced in different directions, and the third remains unchanged. Divorce of tape sawmill in this way is done in the case of cutting a solid tree;
- wavy. The most difficult method in execution. Here, the size of the bending of each tooth is individual, which provides a wavy configuration of the cutting edge.
Before making a divorce on tape sawmills, several important nuances should be taken into account:
- The size of the bend on all teeth should be the same (does not belong to the wavy method);
- The cutting element should not bend at the base, but only in its parts;
- The force should be applied to a strictly defined point.
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Now about how to properly breed tape saws for saws. As already noted, this operation is performed on a special machine. The essence of the work is that the canvas is fixed in the bed. Then the indicator is calibrated. Next, the lever is installed, which will bend (the place of application is selected).
After installation work, the operator bends the tooth, while controlling the indicator the size of its bending. Then the tape moves in the bed and the operation is repeated, but with another cutting element.
The external manifestation of the fact that your saw is divorced correctly is that 80-85% of sawdust is thrown out of a sawdrop.
In the case when you divorced the saw too much, there is a lot of air and insufficient removal of the number of sawdust.
In the case of not before wiring the saw on the surface of the board, tightly pressed hot sawdust remains.
A saw that is divorced too much will cut with jerks, the diluted will not be enough to saw in waves.
Another very important point: only the upper third of the tooth should be diluted, only an acute corner should participate in the process of sawing at the very top of the tooth.
Sharpen a saw with a minimum metal removal (t.e. clean the burrs) and then breed.
If there is a problem with sawing, then read 13 points below. This will help you.
At the entrance to the log, the saw makes up and saws exactly almost to the end of the log, after which it falls down. This phenomenon is called “squeezing”, t.e. The saw is squeezing. This is caused by too much angle of tooth sharpening. The angle of sharpening by a couple of degrees should be reduced.
At the entrance to the log, the saw makes up and the board turns out the curve “Like a saber”. This is caused, most likely by the fact that the angle of sharpening is too large, and the divorce is insufficient. Reduce the angle of sharpening of the tooth and increase the divorce. The saw “dives” down and the board turns out the curve “like a saber”. This is caused by insufficient sharpening angle and insufficient wiring at the same time. The angle of sharpening by a couple of degrees should be increased and the divorce increases.
There are too many sawdust on the board, and they are loose to the touch. Divorce is insufficient, it should be increased. Reduce the angle of sharpening.
Sawed it in a wave. If the saw is acute, then this occurs due to too small a divorce, the divorce should be increased.
Dumb, never rewinded saw cracks on the tooth hollows. This is due to the fact that the canvas is not divided enough for the work that they are trying to do, or by the fact that they continued to saw the canvas after it was swept away.
The saw is covered with cracks in the back. This is due to the fact that the rear stops of the guide rollers are too far from the back of the canvas.
Sawdust “roll” on the canvas on the canvas. It is caused by the fact that the saw is not divided enough and there is no enough air in the sawdust, the saw canvas rubs on the sawdust, heats up and wood dust is baked at the saw. Increase divorce.
Sawdust “roll” on the inner surface of the tooth, but this does not happen on the surface of the saw. This is due to the poor sharpening quality (too much supply or too large a metal removal and, as a result, poor surface quality on the tooth hollows), or too much an angle of tooth sharpening, or by the fact that they continued to saw the canvas after it has already dull.
After sharpening, the canvas is covered with cracks on the cavities of the teeth. During the re.plating, at a time it was removed too much metal as a result of which it will turn out to the heaps of the tooth.
Many problems are created by the fact that the sharpening stone is not often and neatly refuel.
Do not forget that whatever the perfect machine you use to saw wood, this is just the device “pulling” the saw through the log. The final result depends on 90% of the correctness of the saw and only 10% of the machine settings as a whole.
Do not forget that the sawing of an undesirable saw. This is the fastest way to break it.
Angle of sharpening. This is the angle of deviation of the end of the tooth from the vertical. The sharpening angle recommended for most cases is 10-12 degrees. For sawing solid and frozen wood, an angle of sharpening 8-10 degrees. For working with soft rocks 12-15 degrees.
Wrestling of teeth. This is an important factor affecting the characteristics of the blade. Remember that when sharpening teeth and reducing their height, the wiring is also reduced.
Sharpening parameters of a strip saw depending on the breed of the processed wood (given in the table.).