Discs for sawing wood on a grinder. Disc for grinder on wood: general characteristics and types. Cutting circle. Grinding and peeling works. Sanding and polishing tips

1. What are cutting wheels?
2. Work tips

LBM, popularly known as Bulgarian, is worthy and universal tool. It is this equipment that allows you to successfully perform cutting, grinding, polishing, sawing off almost any material. When choosing a grinder, it is extremely important to understand which model is recommended for use. The choice is largely determined by the main purpose of the proposed equipment. Metal and wood will require different types disks and a specific approach, because otherwise the work will not bring the desired results.

Wheels for an angle grinder: we start with market research

The range is striking in its diversity. What are grinding discs and how are their characteristics determined? To fully answer the question, the entire market should be divided into main areas.

1. Circles with abrasive coating. This consumable tool is universal, therefore, with its help, any workpiece can be cut and polished with high quality. In addition, the possibility of polishing is assumed. The abrasive tool is not in vain considered one of the best.
2. Disc for grinder with diamond-coated- one of the most common building tools. These products are segmented and solid, and for each option, its own area of ​​\u200b\u200buse is defined. In each case, the possibility of high-quality and accurate cutting of durable materials is assumed, among which are stone, metal, concrete monolith.
3. Saw blades on the grinder visually resemble modern models saws. However, other alloys are used for their production. Previously, products were rare, but now their prevalence is growing rapidly. Most the best option disk for grinder from tungsten carbide.

Taking into account the variety of modern products, you should abandon the senseless and sometimes dangerous attempts to establish a circle from a circular to a grinder. Any circular discs designed for low speeds, and on the grinder there is a risk of warping or destruction of the tool.

How to choose a suitable angle grinder model?

When studying modern circles for an angle grinder, it is important to understand the basic principles for choosing a consumable for an angle grinder. What aspects to take into account?

Grinding wheels have several standard diameters. The most compact model differs in size in 115 mm. However, 125 mm grinder discs are of greater practical importance. Moreover, it was angle grinders for the 125th circles that were most widely used not only among the pros, but among home craftsmen.

Natural wood always turns out to be a specific heterogeneous material, therefore working with it requires special circles. Grinding discs, which are designed for cutting metal or concrete, are categorically not suitable for such processing. Otherwise, the grinder will be destroyed or burned by overheating.

When choosing equipment for grinding, it is important to note that the standard diameter of the installed shaft is 22.2 mm. Previously, there were several divisions, so labeling still plays an important role. Today, for example, a standard saw blade for woodworking has a diameter of 125x22.2 mm.

Although maximum size The angle grinder is 230 mm, such dimensions are undesirable when processing wood. Choosing an instrument with large diameter(from 150 mm), you run the risk of serious injury. The preferred dimensions are 115x22.2-125x22.2 mm. In addition, the 125th circles are able to cope with a fairly large range of production tasks.

Only if you understand the specifics of the equipment used, you can learn how to correctly select discs for a grinder for safe and efficient processing. natural wood.

What are cutting wheels?

Parameters that are used for classification cutting discs on wood:

• Disc diameter;
• Depth of cut wood;
• Characteristics of the teeth: shape, frequency, number.

What to consider when planning to use a cutting disc for a modern angle grinder?

1. If saw cutting discs for wood grinders will be rarely used, and the type of wood being processed will be different, it is best to choose a model with variable beveled teeth.
2. For sawing softwood and softwood, models with straight teeth are suitable. Such saw blades successfully process even the softest wood, guaranteeing a decent work result.
3. Trapezoidal tooth allows universal use. When choosing such equipment, it is best to cut medium density chipboard. Other products can be used if desired.

What parameters should be taken into account for successful work with wood when choosing sawing consumable tools?

1. Rounded cutouts are required, which will be made towards the shaft.
2. The optimal disc thickness is 2 mm.
3. The depth of the cuts made can reach 20 mm.
4. Cutouts are empty, but in some cases they are filled with copper.

Equipment for grinding and peeling work

In most cases, working with materials implies the need not only for polishing, but also for grinding and roughing activities.

Cutting wood is a dangerous activity. At the same time, anyone who has necessary equipment. The most important thing is to understand the principles of technological operations.

Most often used for peeling petal discs to Bulgarian. Having carefully studied the specifics of the product, it is possible to understand how functional and effective it is.

The name gives an initial idea about the features of the device. consumable tool. His working surface has several petals of sandpaper. This structure is comparable to fish scales. At the same time, this paper with a low roughness allows you to guarantee a soft sanding of natural wood. The quality and degree of processing depends on the grit of the material, so polishing and grinding can be performed in accordance with the requirements.

The petal disc for the angle grinder is quite popular, but if desired, you can use another consumable tool.

For example, noteworthy sticky universal disc. Modern nozzles on the grinder provide for the possibility of a quick change of Velcro. The price of sticky discs used for basic operations turns out to be lower than that of a solid petal one, but the service life is also shorter. If, nevertheless, a universal sticky circle is chosen for the grinder, then it can be used for processing and grinding various materials, which confirms the demand for this product.

A polishing and grinding tool may be of high quality, but it cannot guarantee the successful completion of the job. What is the reason for this? It's very simple: the wood used must be thoroughly dried. Moreover, raw wood cannot be used. Otherwise, the result will be unpredictable. When choosing a disc for wood, you need to be sure that the material being processed has the right properties.

Sometimes cleaning work is required to remove the old layer of paint or varnish, fungal infections. Polishing and grinding tool always show themselves at a decent level only if the wood is prepared according to technological requirements. Bearing in mind that polishing and grinding discs for grinders are not provided for initial processing, roughing attachments are required.

Choosing similar nozzles for the grinder, maximum benefit they can be felt when cleaning old surfaces that have been repeatedly painted. This is due to the following factor: the nozzles are made in the form of a metal plate, which is densely dotted with wire bristles located closer to the outer circumference, radially or perpendicular to the disk.

Work tips

Finishing work begins only after successfully giving the workpiece a preliminary outline. The results largely depend on what types of nozzles are used to perform the tasks.

Angle grinders are used in the form of a cutter, as well as polishing and grinding attachments. Nozzles on the grinder increase the functionality of the device used.

So, how to carry out the polishing and grinding process when processing wood? What tools do you need to be successful?

1. Brush cord. These tools are ideal for rough grinding tree. It is assumed the possibility of successful leveling of wood, with the addition optimal shape product.
2. End discs allow easy turning of workpieces. In most cases, such work is required for bevel cuts. Work end disk resembles the interaction of the workpiece with the saw.
3. Flap sanders are the most commonly used consumables. The characteristic of the tool determines the possibility of processing various workpieces, including natural wood. It is important to note that the cleaning of complex wooden objects is carried out only using radial strips.
4. Felt circle - allows you to achieve minimal roughness, processed products. The basis is pressed wool, fine-haired, semi-coarse-haired and coarse-haired. Felt working tool allows not only to carry out quality processing wood or other material, but also to give a perfectly smooth surface, comparable to a mirror.
5. A wheel for a grinder designed for grinding is often compared with a disc of the same name. It is important to note that the Velcro circle is a versatile tool with a wide range of applications. Various fixtures for wood processing certain tasks, but the grinding wheel sometimes surprises with its versatility and high level efficiency.
6. The chain disc for wood is one of the most productive, but rough ways of processing natural material.

When choosing equipment, it is desirable to take into account not only the diameter, but also each accompanying informative designation. The inscriptions will allow you to determine the purpose of the tool and follow the recommendations during operation. Marking discs, circles and nozzles for grinders is a guarantee of a successful result.

A modern grinder is a convenient and effective tool. For quality work special nozzles and discs are required to effectively process wood, metal and any other material of interest.

corner Sander - universal fixture, with which you can work with any material. Perform cutting, peeling and grinding operations. Among the people, she received the name Bulgarian. When handling the tool, you need to carefully select the circles. It depends on the size of the equipment, the rotational speed and the type of surface to be treated.

A variety of discs for grinders

The range of discs for angle grinders is great. When buying, you need to understand well what discs are for grinders. They differ depending on the work performed:

Characteristics and choice of circle

When choosing a circle for an angle grinder, you need to take into account what material will be worked with. In this regard, several factors are taken into account:

Sometimes there is a desire to install circular circle to Bulgarian. This cannot be done. The reasons are as follows:

Cutting disc for wood

The cutting disc for wood for grinders is made of high-strength alloy. When choosing, you need to be guided the following rules:

• Hard wood requires the use of an variably beveled wheel.
• For softwoods and softwoods, a straight tooth is used.
• Medium-hard rocks lend themselves to cutting a trapezoidal tooth.

In progress circles are heating up. It is not always possible to cool them down. Therefore, slots are made from the side of the teeth to the axis. They are 2 mm wide and 20 mm deep. Sometimes they are filled with copper. expansion is compensated. This prevents deformation of the metal.

Rough stages of work

At the first stage, the blanks are peeling. To do this, there are nozzles on the grinder for working with wood:

Gentle discs for wood

These are nozzles universal type. They are used depending on the work performed:

Tool cutter features

The cutter as a nozzle for the grinder is allowed for use, but requires precautions. With its help, you can make grooves, roughly process the ends of the workpiece or saw it. In the process of work, its jamming is excluded, but you need to know at what speed it is allowed to use it. It is important to consider in which direction the cutter is rotated relative to the location of the angle grinder.

The surface quality will be somewhat different from working on milling machine. However, the necessary operations can be done.

Using a chainsaw chain

If put on chainsaw chain on disc, you can cut boards up to 40 mm. In doing so, care must be taken. To avoid injury, you must adhere to the rules:

• Do not remove the protective cover. If it interferes with the installation, then the equipment cannot be used.
• The RPM value is set according to the one indicated on the disk. Otherwise, the chain will jump off.
• Work is carried out in protective glasses and gloves.

If it is necessary to work with wood, it is possible to use attachments for a grinder for wood processing. However, you must first read the instructions. Such work has its own characteristics. If you ignore them, you can easily get hurt.

Quite often, the grinder is used for processing various kinds material. Some sources claim that it is strictly forbidden to work with this power tool on wood, while others say that it is possible, but only taking into account some nuances. One way or another, an angle grinder is used in carpentry. Therefore, the question of using a wood cutter for a grinder remains relevant.

The saw blade with chainsaw chain elements allows you to cut boards up to 40 mm thick, and it is important to be extra careful. Violation of the rules can lead to injury:

1. Protective covers on the tool must not be removed. At large diameter disks exceeding the dimensions of the casing, the grinder cannot be used.
2. It is necessary to work with an angle grinder in compliance with the speed indicated on the cutting tool. If they are exceeded, the chain may slip, which will lead to the scattering of its constituent parts.
3. Protective goggles and thick gloves are a must. It is also recommended to work in dense tarpaulin clothing.

It is forbidden to work as an angle grinder with installed disks that are intended for circulars. Because it poses a threat to human health and life.

This ban also applies to diamond cutting discs for concrete. To work with wooden products they are not safe because they are not designed for that. The efficiency indicator from their use is quite low, considering the cost of disks. And also there is a possibility of charring the product and simply ruining it.

And most importantly, there is a possibility of such a disc jamming at the processing site, which will lead to the tool flying out of the hands and possible injury.

With such a grinder disk, which is shown in the figure below, you should work as carefully as possible when processing wooden materials. Its design provides for protection that prevents jamming of the side teeth, which contribute to the expansion of the cutting width. The disk has a diameter of 115 mm, and thanks to its dimensions it is possible to work with the protective cover installed.

Some home-grown "masters" practice fitting standard saw blades for circular saw for an angle grinder. All work is done with protective covers removed. Often the ending of such experiments is rather tragic. Unfortunate masters receive serious injuries that threaten life.

But despite this, the construction markets are full of offers that allow you to purchase. Inexperienced craftsmen are convinced by sellers that when correct use there are no risks associated with such tools. All this is true, exactly until the moment when nothing bad happens.

No professional shops will ever sell a person a grinder disc that can also be used with a circular saw. For such sales, if the buyer is injured, the seller may be held criminally liable.

The list of the main reasons why the use of a circular saw to work with an angle grinder is unacceptable:

• discs are designed to work at low speeds, the material of such a cutter is quite fragile. In the process of work, there is a possibility of the tool breaking into small pieces or the spalling of the teeth soldered on the disk, which fly off at great speed;
• the wood has a rather viscous structure, in connection with this, biting in of the teeth occurs in an uneven way, which leads to vibrations and mobility of the tool. This can lead to loss of control of the angle grinder and cause serious injury;
• jamming of the discs occurs during the working process when processing wood, the tool can be pulled out of the hands. Please note that the included tool with a rotating disc is unpredictable.
• uneven loads caused by work on wooden surface may cause the power tool to overheat, resulting in damage to the power tool.

The best solution is to manufacture a stationary sawing machine, on which the grinder will be securely fixed. absolutely simple, you need to prepare only the main components for this equipment. But it is definitely worth it, you will not only reduce the time for processing products, but also protect yourself from bad consequences.

Video "Wood cutter for angle grinder"

An informative video from an expert about the Speedwood LEMAN saw blade for an angle grinder.

We carry out rough processing of wood with a grinder

But, despite the existing warnings, it seems possible to process a wooden blank with an angle grinder. This requires the use special nozzles which are manufactured in working conditions, and strict observance of safety regulations in the process of working with the tool.

Using planer discs for grinders

Roughing a log house involves the use of special discs that allow you to perform the function of a planer. This kind of wood processing using angle grinder considered one of the safest if you follow the operating instructions. The device is a good alternative to a carpenter's axe.

The nozzle is used without the installation of protective covers, since the fact that it can be destroyed during operation is completely excluded. You cannot use such a disk if it has an upward position.

During the operation of the grinder, on it in without fail it is necessary to provide for the installation of a handle that will allow you to hold the tool with two hands.

It is also necessary to have tight overalls and means personal protection who can protect open areas skin. When cleaning wood, you may encounter large chips that can easily injure the skin. One of the positive side effects from the use of such a power tool is considered ease in chopping chips or large sawdust, if any are necessary for household needs.

Application of grinding discs

To remove the bark from a tree trunk, and give it a primary shape for blanks, a number of special peeling nozzles for an angle grinder are used.

Thanks to this chain circle it is possible to clean the trunks from bark or small knots. And also the required shape is given to the blank material for further processing using more precision instrument. Such devices can replace axes for carving bowls in logs for the construction of buildings from a wooden frame.

It is also possible to use this disc as a cutting wheel, but the resulting cut will be jagged and the material loss is too high due to the large thickness of the cut.

Using milling cutters on angle grinders for working with wood

After completing the roughing, you should proceed to the next step in the processing of wooden blanks - milling. For this purpose, some types of special nozzles are used.

The size of the abrasive on the discs can be completely different. Using this cutting tool should take into account its purpose. By means of such mills, it is easy to carry out giving of a final form to preparations. Some craftsmen using such nozzles perform finishing tree and at the same time the results from such work are quite good.

Almost similar types of discs are a mechanized rasp. They are considered relatively safe tools that do not require special precautions and compliance with certain conditions. You just need to take care of the protection of the eyes and respiratory organs.

If you need to perform the usual cutting of wood materials, then it is better to use simple disk, chain and reciprocating saws, not Bulgarian. Also, the task can be effectively performed with an electric jigsaw.

It should be noted that the alternative electric tools for sawing boards and logs is homemade equipment. Fabricate to run simple tasks quite simple, so it is not necessary to use dangerous and expensive tools for simple tasks.

Milling a tree with a grinder: which cutters can be used

It requires careful observance of security measures. Similar work with a cutter using an angle grinder belongs to the class of dangerous, but acceptable when correct execution relevant recommendations.

A cutter on a grinder for working with wood is used to make grooves, rough edge alignment, cut out bowls for log cabins, and even for sawing blanks. It is possible to use only those cutters that have a special design that excludes the process of jamming and tilting of the power tool due to the heterogeneity of the wood. When using it, it is recommended that you read the instructions without fail, in particular about sections with maximum revolutions and the direction of movement of the cutter in relation to the position of the angle grinder.

Milling attachments for angle grinders are not inferior in their range to attachments for manual milling devices. Naturally, it is almost impossible to achieve a similar quality of material processing with a grinder, but it is quite possible to make a selection of suitable nozzles in order to give a suitable shape to the product.

Video "Is it possible to cut a tree with a grinder"

Video review on the use of a grinder for cutting boards and beams. How to cut a tree with a grinder and whether it is possible to do it - you will learn in this video.

Bulgarian, whose real name is an angle grinder, angle grinder is a universal tool. Almost never do without it. construction works. But in order for the tool to last a long time, it is necessary to choose the right grinding discs. A disc for wood is fundamentally different from a disc for metal. What are its features, and what are the varieties?

To date, the entire range is divided into three main areas:

1. Saw discs. They resemble a regular saw, but are made from completely different materials. Until recently, such copies were not found, but now they are sold completely freely. The most preferred option is tungsten carbide.
2. Diamond coated disc. The most popular variety. In turn, it is divided into continuous and segmented. The scope of their application is different, but there is common feature- high-quality and accurate result of work on concrete, metal or stone.
3. Abrasive. Universal consumable suitable for any type of surface. Qualitatively cuts and grinds, and also polishes.

Of the listed discs, the first and second are not suitable for wood. Natural wood has a very dense structure, and if you use diamond disc, then the grinder will overheat until it breaks.

Also, the products differ in diameter. The most practical ones have a diameter of 125 mm, in rare cases a compact disc is needed - 115 mm. There are specimens up to 230 mm, but they are not suitable for wood. Their use may result in injury.

Choice of cutting wheels for wood

Cutting discs are divided into three parameters - diameter, depth of cut and shape / frequency of the teeth. Choosing desired option, there are several things to consider: how often the product will be used and for what kind of wood.

Coniferous and other soft wood easy to cut with straight teeth. If you plan to cut different wood, it is better to take a universal circle with variably beveled teeth. There are also trapezoid teeth which are ideal for sawing through medium density wood and solid woods.

Choice of grinding and polishing wheels

If cutting material requires certain skills, then almost anyone can grind. For this operation, petal discs are usually used. Such a disc consists of several petals of emery, arranged in a circle. Sandpaper provides soft polishing.

Another option is a Velcro abrasive disc. It is convenient to use, but even more convenient to change. Such circles do not last long, but also have a low cost. And, of course, they are many times more effective. manual method sandpaper processing. For example, using such a circle, you can polish parquet.

Tree preparation

Whatever the disc for the grinder, the work cannot be done well if the wood is not properly prepared. Here are some tips for this:

• the tree must be thoroughly dried;
• special peeling nozzles are suitable for removing paint or varnish from the surface;
• work is carried out in two stages, roughing and finishing.

Discs and other tools that you will need for full-fledged grinding or polishing of wood:

1. Cord brushes designed for rough surface grinding. Helps to give the workpiece an acceptable shape.
2. The next step in processing a natural wood blank is to use sanding head. If the subject is complex, you will also need to apply radial stripes.
3. A felt circle made of pressed wool (coarse, fine or semi-coarse) will help get rid of the slightest roughness. With their help, the surface can be made almost mirror.

As you can see, when using various nozzles, the grinder becomes a universal tool for woodworking.

Saw (chain wheels)

Suitable for cutting boards less than 4 cm thick. Use requires extreme care. During non-working hours, the disc should be kept in a case, and during operation it should be used only at those speeds that are written on the product itself.

Goggles and protective gloves are also required when working. It is important to remember that on the grinder, in no case should you use ordinary circles designed for a circular saw.

Using an angle grinder for milling

A wood cutter for a grinder in non-professional hands can be dangerous. For a specialist, its use is permissible.

The cutter helps to level the edge, make grooves, cut blanks and cut out bowls for log cabins. Even on inhomogeneous wood, the tool will not jam or kick back. However, before using it, it is important to carefully read the instructions, as well as observe the necessary speed.

The choice of cutters for angle grinders is quite wide, no less than for a manual milling machine. They are not designed for precise processing, but are quite suitable for shaping.

Safety rules during work

In order for the use of a wood disc for a grinder to bring only benefits, and not injuries and damaged products, several important rules must be observed:

• choose the right circle according to size and properties;
• the mode of operation of the machine must comply with the requirements on the disk;
• in no case should you use damaged circles;
• protect your hands and face with special devices and overalls.

The nozzle should fit effortlessly under the casing of the angle grinder. If you cannot do this, then do not remove the casing, it is traumatic.

Why can't saw blades be used with an angle grinder?

The hardness of a tree can be different even within a few centimeters. Also, it can come across clots of resin and knots. All these uneven areas lead to the fact that the saw blade stops abruptly, as a result, the angle grinder breaks out of the hands.

The modern grinder is often used to perform various works in the process of repair, construction. Such a tool can be called universal. The grinder easily cuts almost any object, grinds, sharpens, polishes and peels. To do the work with the help of a grinder, it is qualitatively necessary to select the right discs, taking into account the type of tool.

Discs for grinders on wood

Angle grinder (grinder) performs a wide range of different operations rotational movements interchangeable disks or nozzles. The most commonly used circles for metal, stone, wood. All of them are divided into three main groups:

1. Cut-off
2. Sharpening (cleaning)
3. Grinding (roughing)

Each group has its own types of discs, which are designed for a specific type of work, including wood.

Woodworking discs look like a regular circular wheel, you need to know how to work with them, because careless movements or inattention can lead to serious injuries. The protective cover on the disc serves as a good protection, so it is better not to remove it from the tool and, for your own safety, use a wheel with fine teeth. According to experts, it is best to work with wood nozzles without a strong feed and try to permanently fix the angle grinder using a special device for this.

The most common can be circles on wood - milling cutters, they look like metal circles with teeth, they are specially made for cutting wood. Circles can be different in size, depending on the thickness of the timber, the diameter of the cutter is selected.

For sawing wood, only saw blades and right choice gives a wide range of possibilities. If you know how to use the tool, you can even make cutting at an angle.

Disc production

There are two types of saw blades for a grinder on wood - monolithic and with carbide soldering at the ends of the teeth. If there are such solderings on the saw blade, then they do not wear out so quickly, they do not require wiring, they cut better, but they need to be sharpened only on special machines.

For the production of saw blades, only carbide sheet steel. It guarantees the product high resistance to mechanical damage and temperature fluctuations. In production saw blade great attention is paid to the weld, it connects the disc body with the teeth, so its quality is always under control.

The speed and frequency of cutting is affected by the number of teeth on the wheel, the greater the frequency of the teeth, the better the cutting of wood will be, but at the same time the speed of work decreases. When there are fewer teeth on the cutter, the speed increases, but the cleanliness of the cut deteriorates.

Influence of disc teeth

The end result of working with wood depends not only on the frequency of the teeth, but also on their shape. Universal saw blades can be called milling cutters with variable teeth, they work well with hard and soft woods. Products with trapezoidal teeth are only suitable for working with soft materials. For draft version fit circles with straight teeth.

When processing valuable breeds wood you need to use thin saw blades, they are great for sawing or processing expensive wood. There are also "thin +" discs, where material is used with an additional chipper, it reduces the blocking of the saw during its operation. This saw blade is suitable for longitudinal and cross cutting of wood, as well as other materials. Similar materials from high precision cuts are also used in furniture and woodworking industries.

Features in working with saw blades

When working with a saw blade for wood, special care and skill must be exercised, it is best put on special form and goggles and gloves. The complexity of working with wood lies in the fact that the tree is easier to cut, so it is necessary to observe control in the operation of the tool. Experts recommend using a tool of low power and speed when working with wood, the most best option- 1,000 rpm.

Equally important is the quality of the grinder, as well as the cutter, the final result of the work and its safety will depend on this. It is best to give preference to a proven tool, to hear the opinion of experts in order to be sure of a positive result.

grinding wheels

For execution various works with the help of grinders are made grinding and polishing wheels, they can be:

1. spongy
2. Felt
3. With replaceable sandpaper
4. Cloth

The material is selected depending on the surface to be sanded. For the processing of wood species, petal grinding wheels, they are made of sandpaper, which is fixed on a hard frame. Sandpaper can be coarse and fine grit, the markings can be seen on the product itself.

If planned make wood smooth, then it is best to use a fine grit wheel, to remove a small layer of wood - medium grit. If you need to remove old paint, then you need to apply a coarse-grained circle.

According to their design, grinding wheels can be petal, movable and solid. Flap wheels give the smoothest surface to wood, therefore they are used as finishing circles.

Conclusion

When working with an angle grinder, you must always follow safety precautions. It is good when the tool is equipped with a persistent handle and a protective cover. Devices are considered safe, in the edge of which there is a chain from a chainsaw, it is specially installed there. In the event that one of the teeth is jammed, the disc rotates idle, and this reduces the risk of injury.