Circular saw on wood how to use. Circular drill ballerina for wood. Criteria for choosing a quality option

Some justifiably call a hole saw for wood a face mill - the material is processed in almost the same way, and the tools are similar in appearance. The equipment in question, although it leaves a lot of chips, but allows, using a conventional power tool, to get clean through holes.

Hole saw device for wood

The saw blade of such a saw is a cutting crown, the number and profile of the teeth of which depends on the strength and relative humidity wood. Most manufacturers of hole saws for wood produce crowns in sets, which allows you to use the tool for processing drywall and even metal.

The saw blade itself consists of two sections: the cutting head and the shank. For the manufacture of bimetallic cutting heads that are designed for woodworking, high-quality tool steel of the 11HF, HGS or 9HVG type is used, while the cutting crown for metalworking can also be made of hard alloy. The shank is made of hardened structural steel such as steel 45 or 40X, and is soldered to the cutting part with a high-strength brass alloy. On the opposite side, the shank is equipped with seat under the chuck of an electric drill. For a conventional fixing tool, the end part of the shank is made hexagonal, and in new models it is integrated under the keyless chuck.

Since a significant amount of chips is formed during the processing of wood with a hole saw, a spring is provided in the design of the tool, with the help of which the chips stuck between the teeth are removed to the outside.

Technological parameters of the hole saw for wood are:

1. The height of the working part of the crown, on which the depth of the volume of wood, removed by the saw in one pass, depends. By default, it is standard, and is equal to 40 mm. Depending on the hardness and fiber content of the wood, this makes it possible to obtain cavities up to 35…38 mm deep.
2. The outer diameter of the cutting part of the crown. The sets include crowns in sizes from 30 mm to 150 mm. Installation possibilities are determined by the engine power and the ability to control the speed: for hole saws for wood with a diameter of more than 110 mm, the speed of the drill must be reduced to a minimum, or a special stand must be used.
3. Tooth profile, which depends on the material being processed and the principle of operation of the nozzle. There are reversible saws that allow you to change the direction of its rotation. Such saws are more convenient for the master, since they make it possible to hold the drill while working with both the left and right hand. However, when long work they heat up more, and as a result, they begin not to cut the tree, but to peel off the surface layer from it, worsening the quality of processing. The tooth profile of such saws has the form of a triangle in plan, expanding towards the base.

Operation features

Due to the high area of ​​​​contact between the saw and the tree, the tool becomes very hot during operation. Therefore, long-term non-stop operation of a drill with a hole saw on wood is impossible (unless, of course, an air or water cooling system is adapted).

Hole saws are often referred to as type-setting, which is explained by the composite design of the tool. For such equipment, the method of connecting the shank to the cutting part is very important. Possible options:

1. Flat soldering. In this case, the hole saw for wood will withstand the minimum possible shear loads, and it should be used for a short time, removing it in a pass. minimal amount material. The diameter of the nozzles usually does not exceed 30 mm.
2. Soldering with a shank seated in the landing part of the crown. The reliability of fixation increases, therefore, such saws are produced with an increased diameter - up to 127 mm, and they can work longer.
3. The same as in the previous case, but the shank additionally rests on the shoulder at the top of the bit. This option is implemented in the designs of hole saws with a size of 150 mm or more (saws with a diameter of up to 210 mm are known), since the thermal expansion of the material during saw operation will not cause deformation of the typesetting tool.

In the practice of their application, hole saws for wood are installed in special revolver-type glasses, which, when rotated in the chuck, put a crown of the required diameter on the processing line. To ensure fixation, a cap nut is used, and to center the drilled hole, a drill is used, which is included in any kit. Drill stands for work surface teeth, and this guarantees the required coaxiality of obtaining a blind hole. However, this design requires a change in the number of revolutions of the drill shaft: initial stage, when working with a drill, the required torque is small, so it is more rational to increase the number of revolutions. Then, when the teeth of the circular saw on the tree come into action, the load increases sharply, so the number of revolutions of the drill is reduced.

• for preliminary drilling - 1750 ... 2000 min -1;
• to obtain a blind hole - 750 ... 1000 min -1;
• for finishing the generatrix of the resulting hole, its countersinking and other similar operations - 1000 ... 1500 min -1.

How to choose the right hole saw for wood?

Since significant shear forces constantly arise when working with the tool in question, preference should be given to hole saws, the design of which provides solutions that provide the necessary accuracy of work. Thus, the presence of centering pins made of hardened steel on the supporting surface of the shank provides additional centering of the crown. In this case, the height of the pin must be at least two of its diameters.

It is desirable that the kit includes an ejector spring, which facilitates the work if it is necessary to obtain blind holes in fibrous wood (ash, pear, hornbeam).

If, in practice, hole saws for wood are supposed to be used to obtain blind holes with a diameter of more than 70 ... 75 mm, additional threaded nozzles will be useful, which are fixed with screws to the bottom of the glass with a set of crowns. The number of screws must be at least three, while it should be noted that the nozzles should be chosen from the same manufacturer. The diameter of the nozzle should not be too large (more than 45 mm), since in this case the inertia of the set as a whole increases, and the power of the drill may not be enough.

By the way, about power. Despite the fact that the material being processed is wood, the presence of chips and increased friction of the teeth against the walls of the hole create an additional braking torque for the electric motor. This negatively affects the duration of operation and the durability of the drive. Therefore, the minimum power of a drill for working with a hole saw on wood should not be less than 1000 watts.

Often, when repairing or installing various wooden products, it is required to drill a perfectly round hole. In this article we will try to highlight all the ways in which such a hole can be cut. Options will be considered with the use of special tools, as well as without them.

How to cut plywood

A hacksaw with a very narrow blade, a jigsaw, a drill saw, and a round file are hand tools that can be used to cut curves.

It is the narrow blade that provides the hacksaw with maneuverability, but for the same reason it is extremely difficult to guide. It is necessary to have a firm hand and an attentive eye in order to prevent deviations from the markup. At the same time, do not try to work quickly. On the contrary, it is better to advance in small jerks. This will help you more confidently hold the handle of the saw and guide it exactly along the given line.

It is better to cut small round or oval holes and “narrow” curves with the help of special tools - a drill saw and a round file, which can also be used to clean rounding.

However, the most suitable tool for cutting rounded parts and holes is to recognize an electric saw. Its advantage is not only that it saves time and effort. The included set of interchangeable blades with different teeth allows you to choose a blade for sawing almost any type of workpiece, whether it is wood, plywood or chipboard. In other words, the electric saw can rightfully be called a universal tool.

Round corners of furniture

Hitting the sharp corner of the table can even hurt you. Therefore, we recommend cutting corners where possible. At homemade furniture they need to be rounded off from the beginning.

Cutting circles and curved lines is no more difficult than making a completely straight cut on a workpiece, but on one condition: you have right tool and you are good at it.

Mark drop-down parts

It may happen that the holes that you drilled to insert a narrow blade of a manual or electric saw will be in useful areas. To avoid such errors, you should mark all the drop-out parts of the workpiece with hatching.

What is suitable for the template

You can make a circle on the workpiece not only with a compass. For this purpose, any object of a similar shape will do. It can be a saucepan, a plate, a cup or a bowl. However, when undertaking work related to the repair of furniture or some piece of furniture, calculate in advance the need for details of rounded contours or with round holes. It may be sufficient to make only minor changes to the design.

Instead of a compass

A school compass can also be useful in a home workshop, but its radius of action is small. And if you need to draw a circle large diameter?

An easy way is to do it with string, a nail and a pencil. The nail is carefully driven into the workpiece, the rope is fixed on it at one end, and the pin is fixed at the other end. The length of the rope determines the radius of the circle being drawn. The only condition is that the rope must be taut along the entire path of the pencil. Then the distance from the center (nail) to the circumference in all sections of the markup will be the same.

Strip of cardboard or slats

An equally simple, but more reliable way is to use a strip of cardboard instead of a rope or, even better, a wooden plank. Drill two holes in this bar (strip) - one, smaller, for a nail, the other, larger, for a pencil. The distance between their tips should correspond to the radius of the desired circle. It remains only to install a nail in the right place and turn the bar around the axis.

Two sharpened nails and a wooden plank or a strip of thick cardboard can replace the compass.

How to draw ellipses

An ellipse is a rather complicated shape, but to draw it on paper, you only need two buttons, a piece of string and a sharpened pencil.

Fix two buttons on the surface of the workpiece at a certain distance from each other. Take a piece of string, tie both ends in a knot and hook the string around the button heads. Now draw a line with a pencil that the stretched rope allows you to describe. You can change the shape of the ellipse as you wish.

The distance between the two focal points of the ellipse is indicated by buttons. If you lead a pencil within the boundaries allotted to it by a rope, then an ellipse outline will appear on paper.

The shape of the ellipse can be larger or smaller, thicker or narrower, depending on the distance between the buttons and the length of the rope.

Templates

Wine glasses, cups, plates, pots or baking dishes - in any household there are many round-shaped objects that can be used to mark a circle. If you are making something and decide to give your product a rounded shape, then first look to see if there is a suitable template among the household utensils. To be sure, select a few items and take them to the workshop. There you can immediately try them on the workpiece and determine what is most suitable. After some practice, you will be able to make rounded lines from several round objects with different radii. Arcs of a circle can be drawn sequentially, or you can draw bridges-transitions between individual arcs.

preliminary drawing

Before attempting to draw a curve on a workpiece, design it on a large piece of paper or piece of paper. corrugated cardboard. Only after a satisfactory result has been achieved in all positions, can you cut out a template from paper and mark it on the workpiece.

You can draw circles and fragments of a circle using a cup or plate, simply tracing them with a pencil.

Sink insert according to the template

Washing is one of the most important elements kitchen equipment. If you decide to embed the sink into the countertop of the kitchen worktop yourself, then the first thing to do is to prepare an exact template.

First, transfer the outer contour of the sink onto a thick sheet of paper. Next, measure the width of its sides, with which it will rest on the countertop. Usually it is 2-3 cm. Now step back from the outline drawn on the paper, inward to the width of the rim and draw a parallel line. This will be the cutting line.

When marking, make sure that the position on the plate of the template itself is correct. Of course, if all the corners of the shell are symmetrical, then nothing terrible will happen if it turns out to be, according to the markup, as if in a mirror image. But if the shell is trapezoid and the roundings at the front corners are different from the roundings at the back, then in no case confuse the front and back.

In a similar way, make templates and cut out holes for appliances wall lighting or for a loudspeaker mounted on wooden panels.

The line drawn around the sink is auxiliary. The second, drawn parallel closer to the center, is the sawing line.

electric hacksaw

If you need to cut a rounded part and saw through a round hole in the workpiece, then an electric saw is the most suitable tool. With its help, you will save time and effort, since such a saw has great advantages over a manual one. So, the blade of the electric cutter is narrower, which provides increased maneuverability. Further, it has interchangeable blades with different teeth, which allows you to process workpieces of any type, that is, wood, plywood, chipboard (it is no coincidence that the tool is also called a jigsaw).

To cut a section inside the workpiece, a hole is first drilled for a hand saw. But if you have an electric saw, then this is not necessary. The tool is brought to the workpiece with a slight forward inclination and is turned on in this position. The saw cuts the hole itself. Just do not put too much pressure on the body - this can lead to breakage of the saw blade.

Lead in a circle

This simple design fixture makes sawing much easier. round holes or arcs. It is enough to mark the center of the circle on the workpiece, fix the fixture at the mark and connect the rod coming from it with the electric saw. The divisions on the rod help to set the saw blade at the distance from the center of the circle, which is necessary. As a result, without preliminary marking, you can cut a circle or saw through an arc with a radius of 5 to 20 cm.

The device (more precisely, its “sole”) is attached to the surface of the workpiece with screws. They must be well tightened. If the mount is not rigid, it starts to hang out, then even circle will not work.

Suitable for lefties too

Left-handers can also use the device, since the guide rod is attached to the movable unit both on the left and on the right. So saw at your own discretion - clockwise or counterclockwise.

Using such a device, it is possible to cut a round hole in the workpiece with a diameter of 10 to 40 cm without preliminary marking.

jigsaw

When cutting holes or curves in small workpieces, sometimes a jigsaw is indispensable. Interchangeable blades with teeth of different shape and arrangement allow you to work with wood of various densities. However, it should be borne in mind that the depth of cut is limited by the arc of the jigsaw, that is, the saw blade will not be able to move further than 30 cm from the edge of the workpiece.

Very thin, narrow saw blades can be easily damaged if the jigsaw is not used properly. It is necessary to drive the saw with neat, methodical movements. The main thing is to prevent the canvas from skewing. Otherwise, small and light workpieces will begin to move with the saw, which may eventually cause the blade to burst.

The thinnest jigsaw blade will “master” the narrowest curve, but only in small workpieces, since the advancement of the blade is limited by the jigsaw arc.

Boring saw

Neither a manual nor an electric saw will help if you need to cut a small hole in the workpiece - less than 10 cm in diameter. A jigsaw can also be useless if the workpiece is large. In this case, the most suitable tool is a drill saw. With its tip, it bites into a tree like a drill and thus makes a “starting” hole for further cutting. Outwardly, the saw is similar to a round file, with the difference that its core goes around the cutting edge in a spiral.

Drill saws are available with interchangeable nozzles of various diameters, designed for processing both softwood and hardwood. hard rock, as well as a variety of materials from it.

The working body of a drill saw is a metal rod with a cutting edge, like a gimlet, and a cutting edge that goes around the rod in a spiral.

This is what the narrowest of hand saws looks like. Thanks to the fastening unit, the blades in the hacksaw can be changed depending on the nature of the material being processed.

Drill attachment

One of the most popular and convenient options hole cutting is a special nozzle on the drill. It is made in the form of a crown crest and has a rounded shape. With this nozzle, holes are cut quickly and they are quite even.

hole drill bit

Nozzles come in different diameters, which allows you to cut a hole of the required diameter. If you have already prepared a hole, we can advise you to try yourself in options trading.

Drill

You can also cut a large hole with a drill. To do this, it is necessary to pre-mark the contour of the drilled hole. Next, with a small drill, drill through holes along the contour prepared in advance. Next, with a jigsaw or a very sharp knife, we cut off the holes, thereby connecting the holes. After that, you can smooth the circle with the help of skins of various grain sizes.

Chisel

You can also cut the required hole with a chisel. It is enough to remove the wood along the contour layer by layer. This option least suitable for interior design. The hole must be even, which cannot be achieved using improvised and unsuitable materials. The best option would be to use a crown on a drill. The hole is smooth and has smooth edges.

Thus, summing up, it becomes clear that you need to choose a tool for cutting a hole based on your goals. If needed high-quality cut, then you can not do without a special tool.

Hole or core saws represent a rather specific segment of the tool, due to technical and operational features. If classic saws work with cutting equipment that implements a straight cut, then the ring tool performs circular cutting. This, by the way, makes such models related to traditional drills. In the process of work, a hole is also formed, only larger diameter and with minimal mechanical impact on the structure of the material. What is more important, thanks to the design of the nozzles, the circular saw allows you to cope not only with cutting wood blanks, but also with concrete, metal and even stone.

Design features of hole saws

The ring-type saw complex is formed by two basic components. First of all, this is equipment, due to which a force is applied, causing the nozzle to rotate. The main functional element is the cutting blade itself. This can be a set of different sizes, and universal canvases for a wide range of building materials, providing for the possibility of adjusting the diameter.

A mandatory component that connects the power tool and the saw blade is the holder, or shank. The saw is screwed onto the holder before the working process, and after it it is untwisted with a hex wrench. In this case, the mechanisms of fixation may differ. Hex toolholders are suitable for use in compound conventional drills, but more modern designs are integrated into the system using the SDS-plus keyless chuck. After completion of work, the hole saw must be freed from the cut off part of the material that has entered the empty niche of the crown. A special spring is designed to perform this operation. Removal of sawn products can also be done manually. This method is carried out through special slots on the sides of the saw blade.

Technical specifications

In the ring system, only one parameter remains constant and unified - this is a height equal to 40 mm. Depending on the design, it allows you to cut holes with a depth of about 32-37 mm. The main characteristic is the diameter of the crown, which is provided by the circular saw. Its dimensions are divided into two groups - less than 30 mm and more than 30 mm. In the first group, the minimum value will be 14-16 mm. Manufacturers usually stick to one starting value and apply it to all saws. Further, almost the entire range of digital values ​​up to 30 mm is covered.

As for the range over 30 mm, its maximum is 150 mm. At the same time, the step at the beginning of the dimensional corridor is on average 2-4 mm, and at its completion - up to 10 mm. There is also a special one produced in 168 and 210 mm formats. It is usually used in industrial purposes when equipped The diameter of the hex shank, in turn, varies from 6.4 to 15.4 mm.

Functionality

Additional functions are more related to the power tool that drives the saw blade. Depending on the workflow, cooling and dust extraction options may be required. When working with concrete and metal, loads can be excessively high, so cooling with water becomes a necessity and even a safety measure. To do this, drilling rigs are supplied with water tanks and its automatic feeding to the working head. As an alternative experienced craftsmen It is recommended to simply stop the tool at times of peak loads. A dust extraction system with the ability to connect an industrial vacuum cleaner is less often supplied with installations that include a hole saw for wood, although this solution is theoretically possible. The introduction of a dust collector is more justified when processing concrete and stone surfaces, the released particles of which not only pollute the work site, but can also be dangerous for the operator.

Wood saw 29588 from Kraftool

The German manufacturer Kraftool produces reliable and ergonomic ring-type saws. The line contains kits for different purposes, but the most popular solution is kit 29588. This is a wood typesetting hole saw, which is also used in working with plastics and drywall. According to users, the cutting part provides an almost perfect edge, which allows further use of workpieces for spot mounting work.

The set includes crowns with diameters from 60 to 74 mm, so the set will find application and in professional construction work. Although a wood hole saw as such does not require much reinforcement of the functional blade, the Kraftool developers have made a special hardening of the teeth. Moreover, their wiring is made in such a way that the sawdust in the process of cutting naturally leans back through the side slots.

Metal saw BAHCO SANDFLEX

For the processing of metal blanks, saws made of a special material are used. In particular, SANDFLEX offers 21 mm bimetal saw blades. Such equipment allows cutting non-ferrous and ferrous metals, as well as wood. Thanks to the universal holder, the nozzle can be used with hand drills and machine tools. The drilling depth in this case reaches 38 mm. Again, the drill bit was made with the expectation of independent removal of chips beyond working area. Side holes are provided for this, but depending on the model of the drill or screwdriver, it is possible to connect a separate system for removing processed products. By the way, in terms of cost, the offer from SANDFLEX is one of the most profitable in the segment - typical nozzles of common formats are available for 300-400 rubles.

Concrete saw HRS from HYCON

Equipment for working with concrete also has its own characteristics. They are clearly expressed in the design of the saw presented on the market by HYCON. This is not just a hole saw, but a hydraulic hole cutter that can also be used to cut holes in reinforced concrete, brick and stone slabs. Such high technical and operational capabilities are due to the fact that diamond spraying is used as part of the nozzles. According to its characteristics, this saw belongs to a special segment even within the industrial sector. Suffice it to say that only a specially trained team can operate the equipment. To ensure safety, the hole saw in the HRS modification is supplemented with an automatic shutdown. This function is triggered when it gets stuck in a solid niche, which also happens when using units of this type.

Operating rules

First of all, the user must select a suitable power base for the use of equipment. As already mentioned, it can be a drill, a puncher, and even a machine tool. Next is selected optimal mode sawing and diameter, if it is possible to adjust it. The hole making process must be carried out without excessive pressure. It is important to feel the pace of cutting set by the engine of the equipment. Otherwise, the circular saw may be deformed or even lead to malfunctions in the technical filling of the tool. After completion of the work, the processing product should be removed from the niche of the crown, after which the integrity of the saw teeth and the condition of the power apparatus should be checked.

How to sharpen a hole saw for wood?

By virtue of design features the process of sharpening such saws is quite difficult to perform at home without special equipment. If you have the proper experience, you can use the traditional method of manual grooving. To do this, it is necessary to securely fix the equipment and, in accordance with the requirements for the condition of the teeth, use a file or other hard abrasive to modify their geometry. If a standard set of wood crowns made of metal sheets is used, then this operation will not cause any special problems. However, bimetallic and diamond crowns for solid materials, they are machined only in factory lines or on specially equipped construction sites.

Conclusion

Ring type saws have many variations and designs. In choosing a fundamental criterion will be the structure and material of the fabric. In particular, the wood hole saw set is adjustable and flexible. Kits for working with metal blanks and concrete structures are more like drill bits. The next selection step will be a specific size. It is important to bear in mind that the final diameter of the hole may be several millimeters larger than planned, therefore, in some cases, when performing spot processing, it is necessary to initially select nozzles with a smaller standard size than expected. In terms of material quality, there can also be different nuances choice, but in this part it is also worth relying on the possibility of destroying the structure of the target base. For wood and plastic, standard metal sheets will suffice, and concrete structures can only succumb to diamond solid elements.

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Every self-respecting owner, who is used to doing everything with his own hands, strives to equip his home workshop as best as possible. And for normal work with wood, you need to have good saw And preferably not just one. There are many such tools on the market today, and common man it is often difficult to figure out what exactly he needs.

This article is devoted to the topic of choosing such a tool.

First of all, it should be understood that the entire tool designed for cutting and processing wood can be divided into two main areas. These are hand saws or hacksaws and tools powered by an electric or some other drive.

Power tool

One of the most common in this moment hand tools is . It can be used for both straight cuts and figure work. The length of the blade and, accordingly, the depth of cut in some models can reach up to 150 mm.

The standard version of such a jigsaw only works in reciprocating mode, more advanced models have additional function pendulum move. This option makes it possible to work with strong wood, as well as with chipboard or USB boards. But when working in this mode pendulum saw on wood with your own hands does not allow you to make a neat cut with smooth edges, plus, due to high vibration, the blade often leads to the side.

Important: with proper selection of the cutting blade with an electric jigsaw, you can cut not only wood or its derivatives. This tool is easy to use tile, plastic and even thin metal.

An electric mini saw for wood among professionals is called a reciprocating saw. The principle of its operation and functional content are similar to a jigsaw. But if the jigsaw has a reliable support frame, then the canopy will have to be cut here.

Most often it is used for gardening or dismantling wooden and other similar structures. The cutting blade of a reciprocating saw can be slightly bent during operation, so that this vertical wood saw can cleanly cut projecting pieces of structures.

Table saws for wood, in home workshops, for the most part, are presented in disc versions. In the people, these structures are called circulars. Due to the presence of rigid stops, such devices allow you to perform fairly accurate work. A significant disadvantage of a standard circular is the impossibility of changing the angle of inclination of the web.

Home table saws for wood come in two types, circular and pendulum. Circular machines are called machines, where the cutting disc is permanently built into the table.

Do-it-yourself table pendulum saw for wood is done differently. The whole mechanism, that is, the engine and the drive on a belt drive, is based on a movable lever that moves in a strictly vertical plane.

This machine is used for cutting wood in which nails are found, as well as especially strong varieties of wood. In a modern, improved version, such machines are called miter saws.

Important: many are interested in how a wood router saw works. So, as such, the concept of a milling saw does not exist. There is a nozzle designed for milling wood, some models of such nozzles can really visually resemble a circular or hole saw blade.

The hole saw for wood also belongs to the category of special nozzles. Visually, such nozzles resemble a round metal cup with teeth along the edge.

Hole saw for wood is designed for sampling round holes or recesses in the array. Typically used as a drive electric drill or Bulgarian.

A manual circular saw for wood is nothing more than a portable, portable circular saw. In the household, the thing is necessary and very convenient. Depending on the diameter of the disc, it can perform precise adjustable cuts up to a depth of 90 mm.

But unlike a jigsaw, this cut will be clean and perfectly even. Plus, some models have the function of changing the angle of inclination of the disk relative to the support platform.

An angle saw for wood, better known among specialists as a miter saw, is considered a semi-professional tool. It consists of cutting disc fixed on the frame. If artisanal pendulum option cuts only vertically, then here the presence turntable and adjustable cutting head make it possible to cut parts at a fixed angle in the horizontal and vertical plane.

With its help, you can make an accurate longitudinal cut of any suitable size wooden product. Such a mini machine is indispensable in the manufacture of furniture or the construction of wooden houses.

Tool for hand cutting wood

Important: all tools of this kind are divided into carpentry and carpentry. Carpentry models are designed for precise and clean cuts. Carpentry tools are designed for more rough work. For example, all garden saws for trees refer exclusively to the carpentry direction.

Common parameters when choosing both electrical and hand saw is the configuration and frequency of the cutting tooth. As for the frequency, everything is simple here, the more often the tooth, the cleaner the cut will be.

In the marking, this characteristic is referred to as TPI, that is, the number of teeth per 1 inch. So for chipboard, TPI 7 - 9 is often taken, and for garden work enough TPI 3 - 6. With the configuration of the tooth, everything is somewhat more complicated.

Types of cutting tooth

• The dagger tooth looks like an isosceles triangle. Both sides of this triangle are sharpened under the same acute angle. In disk self-sharpening models, this configuration is used. On high speed the cone bends in the direction opposite to rotation, but it is worth turning over such a disk, and it will work like new. Hand saws with such a tooth are designed for cross cutting.

• A rip saw for wood is usually equipped with a so-called chisel tooth.. It looks like a triangle with a cone shifted towards the cut. The blade is sharpened along the movement of the cut, that is, from the side perpendicular to the product. Such a tooth cuts through the mass like a chisel, as a result it easily goes along the fibers, but at the same time it is rather problematic to make a transverse cut.

• If you are interested universal option, so to speak, for all occasions, then we can advise a canvas with a universal inclined tooth. This is the middle option between dagger and chisel. Such a tooth has a sharp top and double-sided sharpening, which allows you to work both along and across the fibers.

• A tooth with a beveled top is also considered universal.. In fact, this is a dagger version, improved with an additional cutting edge at the top.

• The canvas with the so-called Japanese tooth has no wiring at all. The cut here occurs due to the wedge-shaped shape of the blade itself and a special method of sharpening. But this sharpening only works in one direction. IN hand saws this is when moving towards you, in the disks, respectively, in the direction of rotation.

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If you need to make a large diameter hole in a tree, then you will have to use special tools, each of which has its own characteristics. We will consider everything possible options and tell you about their main advantages and disadvantages so that you can choose best option in accordance with the specifics of the work in a given situation.

Criteria for choosing a quality option

Below we will consider the main types of fixtures, but for now we will indicate the criteria that any option must meet, regardless of its modification:

Advice! In order to be guaranteed to purchase a quality product, whether it be, you need to contact the official representatives of a particular brand or buy products in well-known stores that care about their reputation and do not sell cheap fakes.