How to dilute a circular saw

The main cutting element of any manual saw is a number of teeth cut on the canvas and are cutters in the form of wedges. The wood, in the manufacture of all kinds of products from it, is sawn along, across and at an angle θ to its fibers, in this regard, transverse, longitudinal sawing and sawing at an angle to its fibers are distinguished and, in each case, the appropriate type of saw is used, which differs from other forms teeth.

During transverse sawing, transverse saws are used, the cutting edges of the teeth of which, when moving in wood, is interrupted by its fibers as a knife and form a cut. The longitudinal sawing differs from the transverse in that the direction of movement of the saw parallel to wood fibers. The front edges of the teeth of the longitudinal drank string the wood, like knives in the shirts, and, deepening, form a cut. When sawing wood at an angle θ to its fibers, universal (mixed) saws with teeth, which are an intermediate shape of the teeth of transverse and longitudinal saws are used.

Sharpening of the saw

Sharpening of teeth drank. In its kind art, requiring fidelity of hands, good eye, attention. It is not difficult to learn this matter, it is necessary to have a desire and clearly adhere to the following rules:

  • The saw canvas must be rigidly fixed in a special device made of wood, which is also steadily installed on a well.Lit desktop. Sharpening of teeth drank on stools or knees does not give a satisfactory result.
  • You should use a personal file, followed by stripping the sharpened faces of the teeth with velvet (with a small notch) or a file. It is desirable that the file is new, sharp and with a mounted handle. If at the right time it was not the same, then you can use a used, but necessarily cleaned with a steel brush and grated with wood coal, so that the file does not clog and does not stupor. When sharpening the tooth, the file should cling to its metal and remove its layer depending on the strength of pressure. And if it slides down the tooth without removing the metal, then the teeth of the saw are rolled or the file is Istrut. In this case, it is necessary to repeat the sharpening with a new file. If in this case it slides along the tooth, then it remains to take another saw.
  • The handle of the file is clamped with the right hand, and its end holds the end with his left hand and the file is directed to the teeth of the saw. About the work of the file, depending on the type of saw, is described below.
  • The pressure of the file on the teeth should be smooth and uniform and only one way from itself. When the file is returned to the starting position, he should not touch the teeth.
  • We must try to grind the metal from the faces of the teeth of the minimum of the same thickness, the lead of the file is the same number of times with the same pressure, which allows you to maintain the values ​​of the angles, the step and height of the teeth after sharpening.
  • On the faces of the tooth from the side of the file of the file, burrs are formed, which reduce the sharpness of the tooth, and if you do not remove it, then during the operation of the saw they are painted, and the teeth are significantly blunt. To remove the burrs, the edges of the teeth are wetted with a file with a velvet notch and the burrs from the side faces with a wet donkey are removed.
  • After sharpening the teeth, it is necessary to check their sharpness. Look at the tip of the needles and the edge of the razor blade: they, sharpened, do not shine in the light. And if they lick them, then rounded surfaces appear on the tip of the needles and on the edge of the blade, which reflecting the light, sparkle well. On this principle, a check of the quality of sharpening of teeth saws was built. For this, the saw is placed in front of the eyes and examine its teeth along the canvas. If their cutting edges and peaks do not shine, then the teeth of the saw are saturatedly stumbled, and if some of the teeth with brilliance (often it happens), then they need to be undermined by a file with a velvet notch, remove the burrs and again check the reflection of the light with their edges and peaks.

Cross saws. The teeth of the transverse saws are pulled, using a trihedral file with a fine notch with an angle at a top of 60 °.

To sharpen the teeth, the saw is clamped in a special device, which allows you to install its canvas at an angle of 45-50 ° to the plane of the desktop. The file is carried out parallel to the desktop at an angle of 60-75 ° to the saw canvas and thus, in the first tooth, the left line is A1A2V2V2.

Sharpen the teeth of the saw in several tricks. First, they pass the files along the left edges of the odd teeth located in the far row, setting up hands on the same movement. Then they pass a file on the right faces of the same odd teeth, completing the sharpening of the main cutting edges with very sharp peaks. After the sharpening of the odd teeth is completed, the saw canvas in the solid device turn over and thus sharpen even teeth, which ended up in the far row. When sharpening the teeth of transverse saws, it is necessary to carefully monitor that the sharp main cutting edges with the dual-sided angle φ = 60-75 °, a short cutting edge and a sharp peak are obtained in each tooth.

Longitudinal saws. The teeth of the longitudinal drank in which the angle π

How to make a diesual divorce on a circular saw

Mans Reading

Like any tool, hand saws and hacksaws need to care and maintenance. It is possible to ensure high accuracy and purity of the cut, only, provided that the teeth are properly sharpened and divorced. This does not need special equipment, a simple tool and basic knowledge is enough.

breed, teeth, properly, requirements, wiring

National Encyclopedia of Construction Profidom.Com.UA tells in this publication how to properly sharpen and breed a saw

breed, teeth, properly, requirements, wiring

The theoretical part to ensure the high quality of the cut, you need to understand the mechanism of exposure to the edges of the teeth of the hacksaw on the processed material. Unlike steel and plastic, wood is heterogeneous material, it is precisely because of this its properties that several types of saws were developed that differ in the profile of the teeth, the angle of their sharpening and the degree of divorce.

The main types of stabbings for wood. 1. For transverse cutting type 1; 2. For transverse sawing type 2; 3. For longitudinal sawing type 1; 4. For longitudinal sawing type 2; 5. For universal sawing

There are three types of hacksaws: for transverse, longitudinal sawing, as well as universal. The main difference is in principle of cutting: when sawing wood across the fibers, fragments of different densities are found on the path of the tooth. On the one hand, this circumstance plays on hand: the formed chips have a smaller size and is easily removed from the contact zone, which allows sharpening on both sides of the tooth for sawing, both in the direct and in the opposite direction of filing.

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On the other hand, cutting across the fibers is partly on a blow, respectively, more stupid angles of the descent of the cutting edges are necessary.

Sawing wood along the fibers can be described as repeated microstalum cycles. The force exerted on the tooth, in this case is uniform, therefore the teeth have an asymmetric shape and are directed by the tip towards cutting. At the same time, the edge formed at the top of the tooth is directed strictly perpendicular to the plane of the canvas. When sawing along the fibers, elongated chips are formed, the removal of which is difficult from the contact zone.

Also, with longitudinal cutting, more moisture, tar and adhesive substances are noted, which, in combination with the first factor, does not allow sawing in both directions. Stick removal occurs with direct submission of the tool: the perpendicular direction of the edge helps to release sawdust towards sawing. With the reverse movement, the removal of the remains of the chips and the self.Cleaning of the edges are ensured.

The teeth of all types of hacksaws have wiring, they are alternately tilted in different directions from the longitudinal axis of the canvas. Due to this, in the longitudinal profile of a number of teeth of the hacksaw, a certain semblance of a swallow tail is formed. Two sets of cutting wedges formed by the acorns of the cutting edges of the teeth. Accordingly, at the bottom of the cut, the hacksaw forms two grooves, which ensures uniform stepped and effective chips.

Tools and devices, preparation for the work of the canvas of the hacksaw for wood are made from corrosion.Resistant alloy steels with a hardness of 40-50 units according to HRC. Thanks to the use of such material, the tool retains its qualities, even if it has not been used for several decades. To return even an old rusty canvas to the system, it is enough to sharply sharpen and dilute the teeth, and this will require some tool and equipment. Immediately make a reservation that modern hacksaws with a hot gear edge (where the colors of the runner are visible) do not sharpen and do not get divorced, except after annealing the canvas.

Reliable fastening of the hacksaw is provided using a piece of board, on the end of which it was made parallel to the wide side. Saw should be done with the same hacksaw, which is processed, the depth is about 70–80 mm. The canvas should be inserted into the cut with a butt down so that the teeth protrude from a saw to a height of at least 50 mm. The wooden knock itself needs to be squeezed in a vice, or fixed to any stationary object, immobilizing the canvas with a wide and thin wedge

As a further improvement in the stir, you can use such a holder for quick fixation of the saw canvas

Metal processing of such hardness is possible by manual and mechanized way. In the first case, you can use files with a firmness of 60 or 65 HRC, or diamond file. During mechanical processing, an electrical sharpening is used with a stone from a white electrocorundum mounted on it on a volcanic bundle. The optimal diameter of the circle is 120 160 mm, it is desirable that the thickness does not exceed 8 mm, otherwise, you will need to refuel the end to the plate to a plate profile. The granularity of abrasive particles should be p 120–140 or higher.

Midline Shift Due to Blocked Out Teeth. Orthodontic Treatment

To carry out the divorce of teeth, a tool called wiring is required. This is a thin plate on the handle, having one or more transverse incisions of different widths. The butt of the hacksaw should be included in one of the cuts so tightly that the slope of the handle relative to the canvas is at a right angle /- 2 °. So that the divorce is uniform and symmetrical in both directions, an angular adjustable limiter in the form of a metal arc is attached to the wiring.

How to breed the teeth of a sawdock of a hacksaw is diluted before sharpening. The canvas should be tightly clamped in a vice, the teeth are cleaned of tar and fine wood. Before breaking the teeth, you need to calibrate the tool. This will require a set of probes and a metal ruler. The value on which the teeth should bend is set by the standard and is an average of 1/10 step or distance between the peaks. Having measured the step of the teeth, you need to choose the corresponding set of probes or linings, the total thickness of which is equal to the distance of the divorce.

First, you should choose an arbitrary tooth and bend it for a certain size, by achieving the correct size of bending by eye. After that, a set of distance linings is pressed to the plane of the canvas, the total thickness of which is equivalent to the size of the divorce. The metal ruler must be pressed with the edge to the lining and ensure that when passing by the top of the tooth, only a light touch is provided.

How to dilute the teeth in a hacksaw on wood correctly

For processing wooden blanks, changes in length and shape, a saw is often used. This tool is represented by a combination of the working part and handle. At the same time, the working part is represented by a metal plate with cutting elements, which are located in a certain sequence relative to each other. Only with proper and timely maintenance can the likelihood of wear of the product be excluded. An example is the wiring of the teeth, which is performed from time to time to ensure the smooth course of the tool on the resulting cut.

Divorce divorce device

Wiring the cutting edge in different directions allows us to exclude the likelihood of a canvas at the time of operation. An example can be called a case when, when cutting a thick log, the canvas cannot be moved and removed. Also, the saw can jam due to the heating of the metal and its expansion, the hot part can warm up the resin and turn it into a kind of glue.

Use a device for wiring the teeth of a hacksaw should be avoided in order to avoid such problems. Do not forget that mistakes made during work can lead to big problems. You can conduct the procedure under consideration when using the following tools:

  • There are special mechanisms. They allow manually the displacement of individual elements relative to each other. It should be borne in mind that such an option is made for certain products.
  • Most often, mechanical wiring is used. They allow you to change the angle of position, as well as their width. This tool is characterized by higher efficiency in application.
  • The improvised version of the execution is not designed to work with a hacksaw on wood, but can be used for this. An example will call pliers and other improvised tools found in almost every workshop.

If sawing is often carried out, then experts recommend purchasing a special device that allows you to quickly set the required angle.

How to brew the teeth of a hacksaw?

A fairly common issue can be called how to dilute the teeth in a hacksaw on wood. If they are shifted in one line, the cut turns out to be narrow, and the working part stucks in one place. In this case, rapid heating of the metal occurs, due to which it begins to expand. To carry out the divorce of teeth, it is recommended to use special mechanisms. Recommendations for the work on the work are as follows:

  • The saw is clamped in a vice for reliable fixation. It is possible to exclude the likelihood of damage to the working part due to the use of plywood as a lining.
  • All cutting elements are bent through one alternately at the recommended angle.
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When considering how to make a scabbard, we note that several elements rejected by a larger angle can cause the complication of sawing.

Hacksaw wiring requirements

In order to correctly carry out wiring, you need to pay attention to the basic requirements. They are as follows:

  • The procedure is carried out when fixing the tool.
  • The required angle must strictly withstand, the deviation from it becomes the reason for a decrease in the quality of the resulting cut.
  • At the time of work, attention is paid to the fact that the surface does not have defects.

It should be borne in mind that too much an indicator causes an increase in the width of the sawing, due to which the performance indicator is reduced. That is why a special device should be used for the divorce of teeth.

Wrestling of teeth at home

Today at home, you practically do not find special devices designed to maintain metal hacksaw. However, even with his absence, there is an opportunity to work with improvised tools. The recommendations are as follows:

  • First, the hacksaw should be reliably fixed in the vice. This is due to the fact that for the bend you need to make a lot of effort.
  • Conduct can be carried out when using pliers. In order to withstand the correct angle, you should first create a template.
  • Than one element of the cutting edge should not be missed. At the same time, attention should be paid to the state of the surface, since the identified defects indicate that the hacksaw on wood cannot be used.

breed, teeth, properly, requirements, wiring

Even at home, in the absence of a special mechanism, it is possible to carry out the correct wiring and significantly extend the operational period of the saw on the wood. At the same time, it is important to withstand the required angle, since too wide the cut causes a significant decrease in performance, too narrow leads to heating the working part and its strong wear.

Some firms provide services related to such work. Note that the cost of a special mechanism is relatively small, so it is best to purchase it and the procedure can be carried out repeatedly.

If you find an error, please select a fragment of the text and click Ctrlenter.

Why saw a drink poorly?

This may be the result of a large angle of sharpening of the tooth, which is accompanied by a saw in the wood with a jump upward. Then, usually sawing occurs normally to the very end, but at the exit of the log the saw falls down. This sawing regime is called “squeezing”, since the saw is squeezed. Output-reducing the angle of sharpening of the degree by 2-3.

The stages of getting a denture false teeth

With a significant angle of sharpening and insufficient divorce, the saw at the beginning of the entrance to the log makes a leap up and the shape of the board turns out to be a curve in a “pattern of a saber”. The quality of the board is restored by a decrease in the angle of sharpening the degree by 2 and an increase in divorce. The board will turn out to be similar “to the saber” and when “diving” a saw down. This is a joint consequence of a small angle of sharpening and insufficient wiring. You can get out of this position by an increase in the sharpening angle by two degrees and an increase in divorce.

If the board is plentifully covered with chisels loose to the touch, then this signals a small divorce, which requires an increase while reducing the angle of sharpening.

I drank in the form of a wave with a sharp saw is caused by too small a divorce, which must be brought to a normal value.

Swiming a dumb, never rewound saw will lead to the fact that it will crack through the tooth hollows. The same thing can happen if you try to dissolve the tree with a saw, the divorce of which is insufficient for this work or continue to saw with a blunt canvas.

Cracks from the back may form on the saw, when the distance between the rear stops of the guide rollers and the back of the canvas is too large.

The phenomenon of “rolling” sawdust on the canvas is observed when the teeth of the saw are not too divorced and there is no desired volume of air in the sawdrop. In this case, the saw is heated due to friction about the sawdust, which leads to a bit of wood dust on the saw blade.

If the “rolling” of the sawdust occupies the inner surface of the tooth, and the saw canvas is clean, this is explained by a number of reasons: poor sharpening (too much by serving or thick filming of the material, leading to poor quality of the surface of the tooth hollows), an overly huge sharpening angle of teeth or continuing the sawing of a dull saw.

Sometimes cracks are observed from the sidelines of the teeth. This usually happens when a lot of metal is removed during one passage during one pass, which leads to overwhelming tooth edges.

Many problems will be able to avoid if you pay enough attention to the embankment, constantly and carefully refuel it.

It must be remembered that no matter what a good machine is used for the dissolution of wood, this is just a drive for a saw. The quality and efficiency of the cutting of 90% is associated with the proper service of the saw and only 10% of the total condition of the machine.

The sharpening angle is determined by the angle of the tooth edge from the vertical line. The desired angle of sharpening in most cases is 10-12 about. If hard rocks and frozen wood are sawn, then the angle of sharpening should be 8-10 about. To saw soft rocks, it increases to 12-15 o.

Renting of teeth greatly affects the properties of the cutting edge of the tooth. It must be remembered that the sharpening of the teeth reduces their height, and therefore wiring.

Sharpic indicators of a tape type saw in the function from the breed of the disconnected wood are shown in the following table.

Har-ka blade Very soft rocks Breeds of medium softness
Fresh tar Fresh non.Fertile Sloven 3-5 years Freeze
Angle of sharpening 12-16 12-16 12 8-12 8-10
Tooth height 6.4mm 4.8mm 4.8mm 4.8mm 4.5mm
Tooth wiring 0.61-0.66mm 0.58-0.61mm 0.51-0.56mm 0.41-0.46mm 0.41-0.46mm
Solid rocks
Fresh Dried
10-12 8-10
4.5mm 4.0mm
0.41-0.46mm 0.41-0.46mm

These tabular data are not a directive nature, therefore, an individual selection of tool parameters is needed for each wood breed. The quality of the sawing is associated not only with the successful selection of these indicators, but also from the place where the wood is used, which is delivered here for sawing. The fact is that even the trees of the same breed can have different density and resinousness due to the region.

To give the strip saw a lot of resistance and get high.Quality cut, it is necessary to maintain the canvas with water when sawing trees with a large mol. Pilam for sawing trees with small molum is needed soapy solution for wetting. In the frost, it is best to moisten the saw with diesel fuel.

Knife.Cutting wood. Select tooth size

Even if you already have a hacksaw on your farm, it is quite possible that it will not work for your purposes, so sooner or later it may be necessary to go for a new saw. In choosing this tool, knowledge about its structure and features will be useful to you. If the saw has a teeth of a straight shape, it will be easiest to saw wood across, for sawing wood along the fibers you will need a tool with tilted teeth. In accordance with their inclination, the saw-cut will be transverse or longitudinal. If you often make, you will need both options.

The hacksaw with large teeth saws the fastest, but with it you will not achieve the even edge of the cut. To work in the garden or quickly cut rude boards, such a saw will suit you quite. For a cleaner edge of the saw, a tool with a small tooth is used, but it turns out to work with such a hacksaw. Sawdust is more difficult to remove from the sawing.

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With a very small tooth, the carpentry hacksaw is used by professional carriers, in the farm it is unlikely to be useful. There is also a mechanical hacksaw. This is a small machine with a mechanically movable blade, these are used in industries for sawing metal pipes and other metal elements, in the home workshop it will be replaced by a knife.Haired woman for metal.

Wrestling of teeth at home

Today at home, you practically do not find special devices designed to maintain metal hacksaw. However, even with his absence, there is an opportunity to work with improvised tools. The recommendations are as follows:

First, the hacksaw should be reliably fixed in the vice. This is due to the fact that for the bend you need to make a lot of effort. Conduct can be carried out when using pliers. In order to withstand the correct angle, you should first create a template. Than one element of the cutting edge should not be missed

At the same time, attention should be paid to the state of the surface, since the identified defects indicate that the hacksaw on wood cannot be used.

Even at home, in the absence of a special mechanism, it is possible to carry out the correct wiring and significantly extend the operational period of the saw on the wood

At the same time, it is important to withstand the required angle, since too wide the cut causes a significant decrease in performance, too narrow leads to heating the working part and its strong wear

Some firms provide services related to such work. Note that the cost of a special mechanism is relatively small, so it is best to purchase it and the procedure can be carried out repeatedly.

If you find an error, please select a fragment of the text and click Ctrlenter.

Like any tool, manual hacksaws need to care and maintenance. It is possible to ensure high accuracy and purity of the cut only to the condition that the teeth are properly sharpened and divorced. This does not need special equipment, a simple tool and basic knowledge is enough.

Sharpening and wiring saw

Two.Handed saws sharpen and are bred in the same way as ordinary single. The whole difference of such a tool is that two people work with it at once.

With the help of tape saws, the wood and varieties of this material are most often sawed. The tree does not require too much exposure, it is a soft material that is easily sawn and drilled. However, in the process, it is advisable to fix the logs and boards still. During sawing, you must be careful and not keep your hand too close to the cut of the cut. This can lead to serious injuries.

Pile preparation includes fugus, breeding and grinding of teeth. The nature of the saw is affected by the shape, size and tilt of the teeth. Saws with an isosceles teeth are recommended to be consumed only for transverse sawing, rectangular shape. For longitudinal and transverse, with inclined teeth. Only for longitudinal.

The sawing of the saw is to align the tops of the teeth so that they are at the same height. To do this, fix the file in the vice and move the tops of the teeth along it. The quality of the fugus is checked by applying a ruler to the tops; At the same time, there should be no gaps between the tops of the teeth and the ribs of the ruler.

Wrestling of teeth

So that the tooth does not break when wiring, do not bend it entirely.

Before sharpening the cutting element, it is necessary to check and correct the wiring of the teeth. The quality of the wiring is checked visually and by measuring the width width.

Breeding tooths of hacksaw is carried out using a special tool. Wiring. Elementary wiring is a small metal plate with a handle. A slot is made in the plate, a slightly larger thickness of the canvas of the hacksaw. To improve the quality of breeding, it is necessary to use wiring with an emphasis that, with the help of a barashka and screw nut, is set at the right distance and, thus, controls the size of the bend.

The dentition itself is carried out in the following sequence. The saw is clamped in a vice so that only the teeth are above the vice of the vice. They are alternately captured in the slot of the wiring and bend in the middle part to the given angle in the right direction. When using the wiring with emphasis, first, the teeth are bend in one direction. Then the emphasis is rearranged, and another group bends in the opposite direction. Tooth bend is carried out by smooth movement.

The quality of the teeth is checked visually and using the measurement by a caliper. To test the lack of excessive bending of individual elements, a simple test is recommended. The saw after the wiring stretches between the vigs spread out to the width equal to the width width. Excessive tooth bend will not allow the canvas to move.

How to sharpen a hacksaw on wood correctly

Wiring and template for checking the correctness of the saw: a. Wiring; b. Template: 1. Ledge; 2. Nut of the installation screw; 3. Sawing canvas; 4. Plate; 5. Spring.

In this case, the divorce of the teeth on each side should be the same. If after wiring individual teeth are bent more than others, they are corrected. They are bent in one fishing line for a trimmer with the rest. If the teeth are different in height, then before sharpening them are aligned with a file (rice. 52, b).

The breeding and sharpening of the teeth of the hacksaw can also be done using a vice, pliers and a trihedral file with a fine notch

First, with the help of a wooden gasket, the canvas is fixed in a vice and with pliers they begin to carefully remove the tops of the teeth in turn in one direction or the other (rice. 53, a), but not more than half the thickness of the canvas. A wider divorce will only damage, as the drink will turn out to be too wide and uneven. It is necessary to ensure that the divorce of all the teeth is the same, otherwise, not all teeth will participate in the process of sawing, but only the most bent and it will be difficult to work with such a saw. Diluted teeth should be within the gasket, so the position of the canvas is changed from time to time.

Sawdowed saws of a trihedral file. The canvas is clamped in a vice and moved as the teeth are dragged. There are two varieties of sharpening. Oblique and straight.

If the saw is designed for mixed longitudinal sawing and its teeth have the shape of a rectangular triangle, a simpler straight sharpening is used, when performing which the file is held perpendicular to the canvas (rice (rice. 53, b).

Inserting it alternately into each gap between the teeth, with light pressure, they are drawn along their edges in the direction of themselves. In this case, the edges of the file should fit tightly to the edges. The reverse movement is performed, raising the file so that it does not touch the saw. It’s not worth driving a file for a long time in the same place, just go through each tooth 3 times, and with repeated dragging there is enough and one.

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