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Homemade wood disc for angle grinders. Grinding discs for grinders in woodworking. Grinder wheels: starting with market research

The average user associates a grinder with a tool for metal, concrete, and brick. This is not the entire area where angle grinders are used. She can work on wood. There are special wheels for grinders. For sawing, milling, grinding wooden blanks several types are used cutting wheels. Each is designed to perform a narrowly specialized task. There is no universal option.

Saw blades are classified by diameter. This parameter is taken into account when selecting an attachment for a specific angle grinder model. If the diameter of the disk is larger than permissible, then working with the tool is possible only after removing the protective casing, and this is a gross violation of safety regulations. To avoid problems, cutting wheels are available in several standardized sizes:

• 115 mm – sanding wood in hard-to-reach places
• 125 mm – milling, grinding, stripping of bark
• 150 mm – sawing boards
• 180 mm – sawing thick boards
• 230 mm – processing of massive workpieces. An angle grinder with a disk of this diameter is difficult to hold in your hands

Depending on the design, the grinder disc for wood is used in several operations:

• cutting
• Stripping
• Milling
• Grinding

Let's look at each in more detail, and also determine the attachments for each type of work.

cutting

The grinder blade for wood is rarely used directly for sawing. With its help, you can process boards up to 40 mm thick, while observing safety regulations. There are two types saw blades, with which you can cut the board:

• Hybrid. It consists of a metal base round shape and a chainsaw chain surrounding it. The attachment is used when working with thin boards and for short cuts.
• Disc for circular or hand saw. It is a round saw blade with teeth of different sizes located along its outer edge. The pitch and size of a tooth affect its characteristics. The larger it is, the more aggressive the cutting. The smaller, the neater the cut.

A standard circular or hand saw blade is cast from solid steel. It is designed for installation in a stationary machine with a rigid mounting socket. The angle grinder operates at lower speeds, the disk constantly vibrates. This can lead to its destruction, as well as injury to the immediate performer of the work and others. Therefore, this type of work is not always safe.

Stripping

This rough work with wood, for which a grinder disc for wood is suitable. There are two types of factory-made attachments for this type of work.

• Disc - plane. A practical attachment for the initial processing of logs and the ends of irregular boards. It is massive, durable, equipped with three knives. With its help, the tree is cleared of bark. To operate, there is no need to install a protective cover, since the thick cutting wheel will not be destroyed.
• Rip-off. It consists of a metal base and a chainsaw chain, which is used to decorate its outer part. This structure allows you to perform rough cleaning wooden blanks from bark, smooth out cracks and chips. Rough chain circle Suitable for cutting wood.

Milling

Performed with an angle grinder with wood attachments. Milling wheels are used to cut grooves of different widths into the workpiece. The size depends on the thickness of the nozzle. A perfectly even cut, like on a machine, will not work. But cutting out a simple seat or groove for a tongue and groove will not be much of a problem.

There are solid and composite attachments for milling. Compound wheels make a wider cut.

Grinding

This finishing wood, designed to remove small irregularities and roughness. There are several types of nozzles:

• Cord brush. Working surface with a relief structure for deep, rough processing of wood. The cord brush “bites” into the base, smoothing out unevenness and chips.
• End disc. They are shaped like a bowl. The working surface is only a narrow strip on the outside of the saw wheel. This shape allows you to process end corner cuts, as well as hard-to-reach areas.
• Flap attachments for grinding. The most common type for finishing. Consists of a steel base covered with abrasive material. The depth and quality of sanding depend on the grain size of the sandpaper. The smaller it is, the smoother the resulting surface will be.

There are two versions. The first is a disk covered with pieces of sandpaper in the shape of a trapezoid. Each next petal is overlapped. This work surface is effective for processing wood. It wears off slowly. Second - petal disk, where the abrasive material is located radially. Suitable for processing workpieces in hard-to-reach places.

• Velcro grinding wheel. It is intended for repeated use. Only the working surface made of sandpaper, which is attached to the base with Velcro, changes. Stores sell sandpaper with different sizes grains This allows you to use the attachment for both rough and fine grinding.

Rules for working with angle grinders

• Work is carried out only in protective glasses and gloves. During rough cleaning of wood, it is better to cover your entire face.
• It is forbidden to remove the protective casing from the angle grinder.
• The work is carried out holding the tool with both hands.
• Do not use a saw blade with a larger diameter than specified in technical documentation to the instrument.
• When working with the tool, it is recommended to lean on both feet.

Manufacturers

There are budget cutting wheels from Hitachi, Makita, and Luga. They wear down faster and vibrate more strongly than more expensive ones. The quality of surface treatment differs from the result of more expensive analogues. Professionals choose saw blades Kronenflex from Klingspor or Bosch. They grind down more slowly and practically do not vibrate. Less likely to be destroyed due to improper use.

A grinder, or angle grinder, is a tool that has no analogues in its popularity. If initially the scope of its application was limited to the operations that determined the name of the unit (grinding and technologically similar types of material processing), then gradually the range of application of this power tool and the replacement attachments produced for it expanded incredibly. Nowadays, metal is cut with a grinder, various surfaces are polished, dirt is removed and old paint and much more.

The presence of a rotating rod made it possible to adapt the grinder for sawing wood. They began to try to install saw blades produced for circular saws on it. Manufacturers of attachments for this tool responded by developing and producing special wheels, similar in action to circular saw blades, but adapted to high speeds and increased safety requirements hand tools.

Features of using an angle grinder on wood

Sawing wood using hand tools involves a number of features. Wood is a heterogeneous natural material; its density is unevenly distributed. After a relatively loose area, a denser one may suddenly begin; there may be defects hidden in the thickness that were once filled with resin during the growth of the tree. There may be developed or underdeveloped knots, and sometimes ingrown foreign inclusions (nails, wire, shot or even bullets that hit the tree in the forest, for example, during a hunt).

Thus, it can be almost impossible to unambiguously select the operating mode of a cutting hand tool. This can lead to jerks, the energy of which will have to be extinguished with the help of your hands; in special cases, the instrument may even break out. If a cutting tooth hits metal, it can be broken and thrown out by the next tooth with enough speed to cause serious injury.

Unlike circular saws (stationary or mobile), the grinder has a higher number of revolutions on the pulley, this is necessary to perform its main function - grinding.

When adapting this tool for sawing wood, craftsmen often removed the protective casing, which is categorically unacceptable, given the above-mentioned features of wood as a natural material with unpredictable variations in properties. If you need to use an angle grinder as circular saw However, in order to ensure safety and get the greatest effect, you need to purchase a special disk designed specifically for this tool.

Saw blades for angle grinders

Wood saw blades for angle grinders were developed various manufacturers and, accordingly, have several varieties. The simplest and definitely the most budget option– install a disk for a circular saw of the appropriate sizes on the grinder - both the outer diameter and the inner diameter mounting hole. For an angle grinder, which according to its size characteristics is classified as small, a circle measuring 125x22 mm is suitable.

Technically, you can install a disk with a diameter of 230 mm on a small grinder, but to do this you will have to remove the protective cover, which is absolutely unacceptable. The angle grinder user's hands are in close proximity to rotating working surfaces and any emergency situation can cause serious injury. Using such a wheel on an angle grinder can cause serious safety violations and is strictly not recommended for beginners.

Any distortion, including those associated with the unevenness of the wood structure, can cause jamming of the disk and, as a result, a sharp jump in the entire unit, to the point where it can break out of your hands and make a dangerous, unpredictable flight. The circular saw blade is not designed for such fast speeds as the angle grinder spindle produces; this causes it to heat up excessively, which affects the strength of the steel. As a result, if the saw wheel is misaligned, it may collapse with fragments scattering at high speed in unpredictable directions.

Special attachments for sawing wood, developed for UMS, have significant differences from the circular saw blade. Let's look at the most common options for sawing wood. On sale you can find saw blades similar to circular saws, which have an increased tooth spread, which significantly reduces the likelihood of them jamming. In addition, the difference in the manufacture of such a disk is that other alloys are used, this reduces the risk of destruction of the disk when it is heated.

Further attempts to protect the blade from jamming led to the combination of a circular saw and a chain saw in one product. A chain similar to a chainsaw chain moves freely along work surface disk, which absolutely eliminates jamming. There are quite a few modifications of this hybrid. Craftsmen using such a combination saw successfully cut branches and can even cut not very thick trees.

Another direction in adapting circular saws for use on an angle grinder was reducing the number of teeth. Discs with a diameter of 115 mm or 125 mm are equipped with only three teeth; a disc for a large 230 mm grinder can have 4 teeth. In this way, manufacturers tried to compensate for the high rotation speed of the saw blade.

A completely new direction of evolution circular disks was marked by the invention of a special nozzle, which is suitable for working on various materials. Such universal disk It is made from a special composition - tungsten carbide. There are no teeth on such a saw blade at all. This type of disc allows you to cut the most different materials, it can be considered the most secure disk for sawing wood of all types that are used on angle grinders.

Sawing with a grinder

If there is no other way out, that is, a special wood saw is missing (broken) or urgent small work is required, of course, a grinder can help out. However, we must remember that the main purpose of this machine is not to cut wood. For use of angle grinders As a hand-held circular saw, you will need to stock up on one or more specialized attachments.

To avoid distortions and jamming, you need to saw in a comfortable position and fix the tool with both hands. The best results can be obtained if you do not remove the special guide handle; with its help it is much easier to control the angle grinder. Correctly sawing off a workpiece using a grinder is not at all easy; due to the heterogeneity of the wood, the operating mode will constantly change. Therefore, while working, it is better not to be distracted and monitor how the cut is progressing.

If you need to use a grinder to cut wood, it is better to use a circle large diameter 115 or 125 mm. 230th circles are much more dangerous, they have greater inertia, and in the event of an emergency it is not possible to stop their rotation immediately. Installing the saw blade on the angle grinder\. you need to take into account the direction of rotation, it is often indicated on the disk itself in the form of arrows. The teeth of the circular saw have special soldering that increases their performance. It will be difficult to saw a disc installed in reverse. When purchasing saw blades for an angle grinder, you need to pay attention to the following parameters:

• saw diameter;
• required depth of cut;
• shape and number of teeth.

If you plan to cut wood infrequently, then it is better to choose a saw wheel with teeth that have a variable set. If the main material on which you intend to work is chipboard, use a saw with a large number It’s better not to take teeth. If the grinder will be used in the construction of a log structure, it is better to purchase a chain circular saw. Sawing boards will require paying attention to the depth of cut and the diameter of the blade.

A circular saw will last longer if teeth that become dull during operation are sharpened; it is better to entrust this to a specialist. In order to sharpen the saw, the same grinder can be used only with a special abrasive attachment. You will also need a stationary vice for this operation.

The grinder, being a universal tool for home handyman or a professional, used when performing many operations on cutting materials, grinding, roughing various surfaces etc. Sooner or later every owner of this instrument I wonder: is it possible to work on wood with an angle grinder, and what attachments are needed for this?

The only operations with wood that can be performed with an angle grinder (angle grinder) without danger are grinding and roughing, and then using special attachments. Of course, you can cut wood, but it is strictly prohibited! The Internet is full of shocking photographs showing what the consequences of using an angle grinder as a cutting tool on wood.

The main arguments that can be made against using an angle grinder for sawing are as follows.

1. This machine is not designed for sawing wood.
2. Since wood has a viscous and soft structure, the saw blade can jam in it. As a result, the grinder is often pulls out of hands, and it flies in an unpredictable direction (in the leg, along the arms, in the stomach, etc.), causing deep wounds to a person or amputation of fingers. Even fatal cases have been reported.
3. When cutting wood it happens very quickly heating the saw blade, causing it to begin to lose strength. The slightest misalignment or excessive pressure may cause it to fly apart. Since the spindle speed of an angle grinder is high, tool fragments fly away at the speed of shrapnel and penetrate deeply under a person’s skin. The user will be lucky if the fragments do not fly into the head or eyes.
4. Despite the dangers of using saw blades with teeth, some angle grinder users ignore this fact and continue to install compass disks with large teeth or improved with carbide tips. If, when cutting wood, a hard knot or nail residue gets caught in it, the tooth or solder breaks off, gets caught by the next saw tooth and is thrown out at the speed of a bullet. One can only guess about the consequences.
5. Ignoring all the warnings, users of grinders install a circular saw on the machine with a larger diameter than the protective casing. This is the most dangerous option using an angle grinder.

Based on the above, you can cut wood with an angle grinder only at your own peril and risk, and only if this is a single or infrequent operation.

If you have to cut down a tree constantly, then it is better to purchase for these purposes special machine, or use a jigsaw. In extreme cases, the grinder can be used as a drive and made into a circular saw, securing the device rigidly to the frame.

What kind of circles are there for cutting wood?

Despite the dangers of using an angle grinder for cutting wood, tool manufacturers still produce saw blades for it.

Circular saws

The photo below shows “dangerous” saw wheel for an angle grinder, although its diameter corresponds to the protective casing of a grinder with a maximum working tool of 180 mm. There are tipped saws with smaller diameters.

On next photo you can see a less dangerous version of the circular saw. It provides protection against jamming, and is implemented by slightly moving the teeth in different directions.

Chainsaws

A saw blade made using a chainsaw chain reduces the risk of injury if the tool jams. This attachment is designed in such a way that the chain attached to the inner disk (base) has not fixed landing.

If the chain gets stuck in the material being processed, the base continues to rotate and the tool does not tear out of your hands.

These chain discs for grinders have many modifications, and with their help you can trim branches in the garden, and also use them for rough cutting of thin boards.

In addition to cutting, the chain disk can also be used like a ripper, for example, for removing bark, as well as for cutting cups in logs and modeling.

Saws with few teeth

Also, for grinders, in order to increase the safety of working with wood, tool manufacturers produce cutting discs with a small number of teeth.

Disks of small diameter can have 3 teeth, and large ones - 4, as shown in the following photo.

These grinder blades are excellent at cutting wood both along the grain and across it. In addition, with the help of a saw wheel you can cut grooves, make various cuts and tenons in the workpiece. But when working with an angle grinder, you should adhere to one rule: you need to install a cutting disc on the grinder of the same diameter for which it is designed by the manufacturer, that is, do not exceed its dimensions. Circles of smaller diameter can be installed.

Tungsten carbide discs

Tungsten carbide discs for angle grinders appeared on sale not so long ago and made a kind of revolution in the field of woodworking.

This universal disk has no teeth. Instead of the latter, segments are located around the circumference of the nozzle. The cutting disc is similar in appearance to a diamond wheel for cutting concrete. With the help of a tungsten carbide wheel for an angle grinder, you can very easily saw wood of any hardness and viscosity. In addition, he is not afraid of nails, screws and other metal inclusions that may be in the workpiece on his way.

This is the safest wood saw blade for an angle grinder.

Its price on the Internet is about 700 rubles. But if you consider possible consequences the use of circular saws, then this is a low price to pay for safety.

Wood sanding attachments

For wood processing, in addition to cutting wheels, there are attachments specially designed for installation on angle grinders, with which you can peel, grind, brush and mill wooden surfaces.

Peeling attachments

If you need to remove a layer of paint or other coating from a wooden surface, you can install a sanding attachment on the grinder. There are a large number of different attachments for roughing work available on the market. They differ in shape, design, and types of work that can be performed with this tool.

The photo below shows disc nozzles with thorns or crumbs, with which you can easily remove top layer wood, grind the end of the board, etc.

The next cutter, due to the fact that the tenons on it are located on a flat plane, allows level various wooden surfaces. For example, if 2 floorboards at the end joint are on different heights. Using this attachment, the defect is easily eliminated, and the boards are joined in the same plane.

There are also roughing attachments twisted wire. They can be made in the form of a metal cup with a wire inserted into it.

Or in the form of a disk with turns of wire clamped in its central part.

These brushes are used if you need to quickly remove old paint from a wooden surface or rust and paint from metal.

The next photo shows a brush with a smaller diameter wire, and it is used for finer roughing work on wood and metal.

In addition to cleaning, this brush is often used for brushing wood, that is, giving it an aging effect. If this effect needs to be applied on large surfaces, professional field, then for brushing it is better to use special hand-held machines with wide brushes.

Grinding and polishing attachments

For grinding various surfaces, including wood, there is a special attachment for angle grinders on sale, consisting of a metal base, onto which it is attached using Velcro emery grinding wheel. The attachment is screwed onto the angle grinder shaft and tightened with an open-end wrench.

It is often equipped with an adapter for mounting in a drill chuck or drilling machine.

A grinding wheel is not used for polishing surfaces. Instead, they are installed on the nozzle felt discs, which are attached with Velcro.

Also often used for sanding wooden surfaces. flap sanding wheel. It is called so because it consists of many petals fixed on its plane, made of sandpaper. The grain size of the latter can be selected based on the requirements for the surface being processed. For rough sanding, coarse-grain sandpaper is suitable, and for finishing sanding, vice versa.

The better way to sand wood - with a grinder or a sander - depends on what you are going to prepare the wooden surface for. If under application regular paint, then you can use a grinding wheel. If for varnishing, then a grinding wheel mounted on an angle grinder cannot be used, since it will produce small radial scratches on the surface of the wood, which will clearly appear after applying the varnish. In this case, longitudinal grinding is used for grinding. belt sander(the sanding belt moves longitudinally) or vibration, where the same sanding wheels are used.

Safety precautions when working with an angle grinder on wood

If you decide to use an angle grinder as a tool for cutting wood, then you should remember some safety measures that cannot be ignored.

1. Before installing the tool on the angle grinder, it must be disconnected from the power supply.
2. Under no circumstances do not remove the protective casing from the angle grinder. This is the only barrier between the circular saw and your skin. In some cases, it will be able to protect your face from flying instrument fragments.
3. When working with an angle grinder on wood and not only the use of protective gloves is a must.
4. Do not use large and powerful angle grinders to cut wood. If the saw jams, you will not be able to hold the tool in your hands.
5. Do not use saw blades with teeth large sizes, since the likelihood of them catching on hard wood fibers increases significantly and, accordingly, the likelihood of tearing the tool out of your hands increases.
6. An angle grinder must have speed controller which need to be reduced to a minimum. If there is no regulator in the device, then it is better not to risk your health. As a last resort, you can make a regulator yourself and install it in an extension cord socket.
7. The grinder should be held strictly at a right angle while sawing. Any slight misalignment can cause the circular saw to collapse.
8. Under no circumstances should you fix the start button of the device, since in an emergency you will not be able to stop the tool and minimize injuries.

The grinder, or angle grinder (angle grinder), is a very popular tool that is distinguished by its versatility. It is used in the process of performing most construction work. Many people are interested in the question of whether it is possible to saw a tree with its help. To process this material, you need to choose the right wood disc for the grinder. There are many types of nozzles, differing in characteristics and purpose.

The range of attachments for this tool is quite wide. Products are classified according to purpose, depending on which 3 main groups of wheels for angle grinders can be distinguished:

• saws;
• with diamond coating;
• abrasive.

Saws. They are similar to standard saws, but are made from different materials. The most common option is tungsten carbide discs. They are not suitable for working with wood.

Diamond coated. This group of circles for an angle grinder is the most extensive. The high popularity of diamond-coated nozzles is due to their wide operational range. With the help of such circles you can carry out processing metal parts, as well as elements made of stone and concrete. Such disks are not used for wood.

Pay attention! The use of angle grinders requires compliance with certain rules. One of them states that you cannot use circles with a larger diameter than indicated in the device passport.

Abrasive. They are highly versatile. Abrasive discs are used not only for cutting, but also for grinding and polishing surfaces. Products from this group are also used for wood processing.

These products are differentiated by one more characteristic - dimensions. The modern market provides wide choice products whose sizes vary from 115 to 230 mm. The 115 mm wood grinder blade is the most compact and is used for quick and accurate cutting of material. It is worth noting that the largest discs are not suitable for working with wooden surfaces.

Types of wood discs for angle grinders: design options

Many experts do not recommend using a grinder for cutting and processing wood. This is explained by the operating principle of the device and the characteristics of the material itself. However, the variety of discs for angle grinders is growing every year. They can be divided into several types according to the characteristics of their work.

Circular saws. Such wood wheels for grinders are used, as a rule, for more technologically advanced equipment, but many install them on angle grinders. They are divided into two types: large diameter with soldering and more compact, without soldering.

Chain. Ideal for working with wooden materials. Many people are interested in the question of whether it is possible to cut wood with a grinder. There is no definite answer to this, but chain products are most suitable for this purpose. The edge of the circle in this case is equipped with a chain on which the teeth are located. This design has many advantages. This attachment is most often used for smooth cutting of boards. It can also be used to process other materials: chipboard, fiberboard, plywood.

Saws with a small number of teeth. This type of circle was specially invented to ensure maximum human safety when working with wood. Compact products belonging to this group have 3 teeth, and larger ones have 4. This group also includes cutting discs for an angle grinder for wood 125 mm. Such products do an excellent job of their functions. They can be used to cut wood along and across the grain. In addition to standard functions, such disks are used to organize grooves in workpieces.

Segmental (material – tungsten carbide). Such products appeared relatively recently, but have already gained enormous popularity. Distinctive feature such products lack teeth. The edge of the disc consists of segments that are characterized by high strength.

Useful information! Using a segment nozzle, you can work with wood of any strength and viscosity. It is highly safe and can withstand even metallic inclusions present in some workpieces (screws, nails, etc.).

Chain saw blades for wood: advantages of use

In this case, the saw blade is made using a chain from a chainsaw. This attachment is the most suitable for working with wood, as it has the greatest efficiency. A chain disk for wood for an angle grinder is also considered the safest. The use of this attachment significantly reduces the likelihood of injury if the tool jams.

If the disk hits a hard element of wood during operation (for example, a knot), the chain is not destroyed. This happens by turning the base. Such attachments are very popular when it is necessary to strip a tree trunk of bark and knots.

Wood saw blades for angle grinders with chain are used for various kinds works With their help you can remove tree branches, as well as cut thin boards. Functionality chain products allow them to be used as roughing tools. They do an excellent job of removing bark.

Using a saw wheel, you can make an even cut of parquet boards, plywood, fiberboard, chipboard, as well as conventional unedged and edged wooden products. It is important to remember that the thickness of the material that will be processed with such a nozzle should be no more than 4 cm. Otherwise, there is a high probability of the device overheating.

Cutting disc for wood for an angle grinder: features

For the manufacture of such products, a special material is used - tungsten carbide. This is explained by the following: when working with an angle grinder, there is a possibility that it will break out of your hands, so the material of the circle must have high strength characteristics. The use of tungsten carbide can significantly increase operational safety, but the cost of such products is quite high.

Discs similar type may have different arrangement of teeth. A variety of product types based on this feature allows you to choose the most suitable nozzle for a particular situation. The shape and frequency of the teeth also play a very important role important role. The most common wheel size for working with wood is 125 mm. If you decide to choose the most versatile version of a cutting saw blade for wood for a 125 mm grinder, then it is recommended to purchase a product with beveled teeth.

Useful information! Wheels that have straight teeth are best for working on soft woods. Boards from coniferous species are also processed using such attachments.

These products may have teeth that resemble a trapezoid in shape. They are characterized by a wider operational scope and are used for cutting boards with average density. Using this wheel you can cut the following materials:

• USB plates;
• fibreboards.

Wood saw blades for this type of grinder have some design features, which are determined by their purpose. For example, during operation, products easily overheat, so they have special slots, which can be empty or filled with copper. This measure allows you to compensate for the thermal expansion of the metal that occurs at high speeds. The width of such slots may vary, but not more than 2 mm. As for their depth, it does not exceed 20 mm.

Wood sanding disc for grinder: characteristics

With the help of a grinder you can not only cut and saw off wooden parts, but also carry out roughing work varying degrees of complexity. The modern market offers large assortment such attachments. They are classified according to several indicators: shape, design and purpose.

Peeling wheels are used to remove bark from logs or boards. Thanks to them, you can easily remove excess wood from end surface boards. They may have special spikes or crumbs.

Wood grinding discs for grinders are also used to level the surface of boards. Such circles are equipped with special spikes that are placed on a flat surface. This function is very useful, as it allows you to polish the boards from which the floor covering is constructed.

On sale you can find stripping products consisting of twisted wire. They are usually called brushes. There are two types of such attachments for grinders for woodworking, depending on the features of their structure. The first option provides for a base in the form of a glass to which the wire is attached. The second type is a disk with a wire fixed along the edge.

Brushes are used to eliminate paint and varnish materials from wooden surfaces. It is important to note that most often such nozzles are used to remove paint and rust from metal pipes.

Pay attention! For wooden parts it is necessary to choose a thinner wire that will not damage the workpiece itself. These products are suitable for different types wood

Wood sanding discs equipped with wire coils are also used for brushing. This event allows you to give the wood unusual look, artificially age her. However, with the help of an angle grinder equipped with a wire stripping attachment, only small volumes of wood can be processed. Thus, this element is not recommended for brushing on an industrial scale.

Grinding and polishing discs for wood for an angle grinder

Sanding and polishing wood is done using special nozzles, which are used for grinders. Such products include a metal base onto which the grinding wheel is fixed. Fastening is usually done using Velcro.

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To use such an attachment on wood for an angle grinder, you need to fix it with a wrench (open-end) on the tool shaft. Quite often it is sold complete with a special adapter element, thanks to which it becomes possible to quickly attach it to a drill chuck. In turn, polishing requires the use of a more gentle material. Therefore, nozzles of this type are equipped with felt discs. They are also secured using Velcro.

Another option for a grinding wheel for an angle grinder is a flap wheel. Its design fully lives up to its name. It consists of a large number of sandpaper petals, closely spaced to each other. If desired, you can select the required paper grain size, which allows you to process wooden materials of varying degrees of density.

Although the grinder is not considered the preferred tool for woodworking, grinding attachments are very common. It is worth noting that grinding in this way is not suitable for smooth surface treatment, since even the most gentle versions of discs for angle grinders leave small scratches on the wood. If you decide to carry out this process as efficiently as possible, then experts recommend purchasing a special device - a grinder. Angler grinders are usually used for materials that will subsequently be painted.

Grinding wheels for grinders on wood: rough grinding

Grinding wheels that are used for angle grinders differ in material of manufacture, shape and operational purpose. The wood processing process itself, as a rule, proceeds in two stages. First of all, rough grinding is carried out, after which the material is subjected to finishing. For rough polishing, several types of attachments are used:

• peeling;
• brushes;
• end circles.

Sanding wood with a grinder using a sanding tool is most often used to remove a layer of old paint. Sometimes this type of attachment is used to remove varnish coating, if you can’t fix it manually. Such circles can have different reliefs, the features of which determine the efficiency with which the product will function.

Brushes are used for sanding different types of wood. Products that belong to this group are classified according to their design, the direction of the wire bundles and their diameter. Depending on their hardness, they are also divided into types. If necessary, it is possible to select the right tool, corresponding to one or another grinding option.

Useful information! For rough processing, larger diameter wire is used.

End disks for grinding wood on an angle grinder are used when it is necessary to adjust the size of a part from the end. Often such products are used for regular leveling of the side surface during uneven cuts. The principle of operation of the end attachment resembles the operation of a file. The difference in this case is the high efficiency of the angle grinder.

Using sanding attachments greatly simplifies the processing of wooden workpieces. Such products allow restoration old furniture, removing paint and varnish compounds from its surface.

Grinding discs for grinders: flap wheels

After rough processing, finishing may be necessary. Of course, if the wood is subsequently painted, there is no need to bring its surface to a perfectly smooth state. However, in most cases finishing is a necessary step. To perform grinding, you can use a common attachment - a flap wheel.

The design of the petal disk model, as mentioned above, includes sheets of sandpaper that have a trapezoidal shape. Their grain size is selected depending on the type of wood and the specifics of the work. This type of wood sanding disc is one of the most common. It ensures gentle processing of the material and has a high degree of safety. It is almost impossible to get injured using this disc.

From size abrasive coating The efficiency and speed of wood processing, as well as its appearance, depend on the petals. For maximum smoothness, it is customary to use fine-grained products. Experts recommend using several of these at once. grinding wheels on wood. This will make it possible to quickly carry out rough cleaning, and then finish the work with soft petals, bringing the workpiece to the desired degree of smoothness.

The use of such an attachment requires a certain skill from a person. Therefore, before starting to use the petal circle, it is recommended to practice on wooden parts.

Grinding wheel for grinder: soft processing and polishing

To carry out soft grinding, special discs are used, which appeared on the market not so long ago - just a few years ago. Such circles are characterized by a high degree of functionality and can have different grain sizes.

Useful information! Unlike flap attachments, abrasive particles are fixed with Velcro to the surface of the disk, and not to its end part.

A grinding disc for a wood grinder of this type has one advantage - ease of replacement. This procedure is performed without removing or disassembling the main nozzle, so using such discs is quite convenient. Sticky attachments can be easily purchased at construction market or order online. Selecting the desired grain size is not a problem in this case. With the help of such devices you can bring the wooden surface to the desired condition.

Polishing, which is carried out after grinding, can be carried out using special felt wheels. Such attachments provide maximum smoothness of the working surface, which is difficult to achieve using other tools. A large number of rotations of the angle grinder promotes uniform polishing of the wood.

Felt discs for an angle grinder include wool (densely compressed), which can have various characteristics(depending on need). On modern market you can find different types of nozzles:

• fine-haired;
• semi-coarse-haired;
• rough-haired.

Woodworking attachments are different high efficiency and quality. Alternating use of these discs allows you to achieve incredible results. The wood surface after using them can be compared to a mirror.

Safety rules when working with an angle grinder on wood

The use of angle grinders for wood processing requires a serious approach. Improper operation of an angle grinder can lead to injury, so before using it, experts advise paying attention to some rules for operating the device. For example, before replacing one attachment with another, you need to disconnect the angle grinder from the network. How to change a disc on an angle grinder? To answer this question, it is necessary to determine the type of circle. Some products are installed without removing the main nozzle. However, in most cases it is necessary to unscrew the flange holding the element.

Pay attention! Under no circumstances should the cover, which is used for protection, be removed from the angle grinder. If the circle breaks, this element will protect your face and other parts of the body from injury from fragments.

Processing wood material using an angle grinder must be carried out with protective gloves. Saw and cutting blades for wood are best used on medium (in terms of power) devices. This can be explained quite simply: if the saw jams, then you still have a high chance of holding the tool in your hands. With a powerful device this will be much more difficult.

For cutting logs and boards, it is recommended to use attachments that have fine teeth. The smaller their dimensions, the less effort required to cut. Among other things, the likelihood of encountering hard wood fibers in the path of the disc is reduced.

Any angle grinder must be equipped with a speed controller, which must be set to the minimum position. When working with cutting tools, it is very important to maintain a right angle. Otherwise, the cutting process will be uneven and the device itself may jam.

Angle grinders can be used for wood processing, but before starting use you should study technical features various nozzles. Products used for grinding and polishing do not pose any danger and are easy to use. Discs for cutting wood material require careful selection. During work, you must follow safety rules and not deviate from them.

Corner grinder, which is popularly called a grinder, is not intended for processing wooden products. Even with the proper selection of workers, such operations are unsafe for health. Manufacturers producing wheels for grinders on wood 125 refer to this aspect in operating conditions, but not all people pay attention to this warning.

Working discs for angle grinders

In modern industry, several types of discs are available for grinders:

1. Abrasive wheels, which are divided into grinding and cutting wheels, are quite fragile if used for purposes other than their intended purpose. The range of operations for which they are designed are performed perfectly.
2. Diamond-coated discs, which are used for processing building materials and hard rocks. They are divided into solid and segmented. Segmented discs are more suitable for grinders for metal.
3. Working circles for circular saws, which experts do not recommend using in the processing of wooden products. It is better to choose saw blades adapted for the grinder, which are also popularly called a milling cutter.
4. Chain discs for grinders. Although they look like scenes from horror films, they do the best job with wood. They consist of a circle, along the edges of which a chain is applied, like on a chainsaw. High-quality steel allows you to perform various operations with lumber, or rather, milling, modeling, stripping bark and cutting out recesses in logs.

When choosing wood cutting discs for an angle grinder, you need to pay attention to the following points:

• the diameter of the wheels should not exceed the diameter for which the grinding machine is designed;
• select the main parts only those that are allowed for manipulating wood;
• Sometimes you have to remove the protective cover, which is unsafe.

Therefore, you should try to select only those working wheels that are provided for these tools, taking into account the diameter of the grinder and the material. Experimenting with high-speed power tools can result in injury.

The nuances of using each type of circles

Diamond wheels can be called universal because they are suitable for almost any material. For processing building stones and other hard rocks, this disc is ideal. But segmented diamond-coated wheels are not used for metal processing, and they cannot handle wood either. Lumber usually hides many surprises in the form of knots and uneven structure.

You can use 125mm metal abrasive discs to cut wood. But at the same time:

• the thickness of the material should not exceed 4 cm (and it will have to be cut from both sides);
• it is necessary to take regular breaks to check the circle;
• change it at the slightest sign that the part has failed;
• Replace a worn-out disc in a timely manner.

You should also be prepared for smoke and the smell of burnt wood. Lumber can take more laps to process than a steel plate.

The use of circular discs for an angle grinder 125 is dangerous to health and life. Although there are advisers on how to adapt a circle for a circular grinder, it is better to refuse such recommendations. If only because the rotation speed on an angle grinder is higher, which is why there is a danger of the wheel breaking and increased vibration power tools. Circular wheels are very fragile, and when using them on an angle grinder, there is a risk of injury from flying fragments.

In such cases, it is better to use a cutter for a circular cutter. It is distinguished by the shape of the tooth and the presence of special expanders, which eliminates jamming, minimizes the occurrence of kickback and vibration.

For processing lumber, it is best to use wood chain discs. The tool steel used for their manufacture is able to withstand loads and not break into fragments.

The service life of such a wheel with a chain is many times longer than that of a milling cutter; in addition, it can always be sharpened. But the price of chain disks for a wood grinder 125 or 230 exceeds 2 thousand rubles.

Safety first!

Convenience when use of angle grinders in transactions with wooden material pushes security into the background.

However, you can minimize the danger by observing certain conditions:

1. When working with an angle grinder, use safety glasses and protective clothing.
2. The protective cover should not be removed.
3. Do not use a faulty wheel, or disks that have even the slightest defects.
4. When working with a grinder, you should hold the tool with both hands.
5. You cannot put the grinder down until the rotating part has completely stopped.
6. The cord from the tool should be located at a distance from the working circle.
7. Refrain from planned actions with an angle grinder if you are feeling unwell or in a state of intoxication.
8. Use wheels that strictly match the diameter of the tool and are designed to work with the selected material.

These rules will help you avoid unnecessary injuries when using a grinder for woodworking.

When choosing working disks for a grinder when purchasing, you should remember that it is better to spend a significant amount once, but on long term purchase a circle with a chain. It will help you perform many operations when working with lumber, as well as unprocessed logs.

If the circle is needed for a one-time use, you can opt for a cutter. This disc can also be used when working with aerated concrete and other materials. The cost of a cutter is lower than that of a chain cutter, but also higher than the price of an abrasive device.

The most extreme case is to buy a cutting abrasive disc. But you should be prepared to strictly adhere to safety precautions: there is no need to swallow smoke and “enjoy” the aroma of burnt wood. In any case, such savings can cause irreparable harm to health and also lead to additional costs.