We have devoted our previous articles to screwdrivers, grinders, chain saws, jigsaws, mixers, spray guns, cross-cutters, jackhammers, perforators. Today, all our attention will be focused on the emery tool.

To grind or age a wooden part, remove paint and varnish, remove rust, grind off burrs, rub down putty, process plastic, polish stone - all this and much more can be done with modern grinding machines. So, we offer the slogan: "Choose a grinder with us, choose like us, choose better than us!"

Grinding: This process is unpleasant for many, even at the mere mention of it. What can I say, grinding is a monotonous, time-consuming, painstaking, dusty, sometimes noisy operation, a little harmful, but, unfortunately, inevitable. Modern requirements to finishing works have reached unprecedented heights, no one doubts the fact that the planes should be perfectly flat and smooth. Finishing high-tech coatings are increasingly striving for a thin layer and only emphasize the shortcomings of the base. Even enlarged, with ready decorative coating leafy Construction Materials it is necessary to connect, followed by sealing / puttying or sealing of the seam, followed by grinding. Domestic builders, finishers and shop workers (manufacturers of furniture, "carpentry", stone products, bulk polymers, metal) are slowly but surely getting used to new standards, previously unknown.

Fortunately, the materiel has not lagged behind for long: a highly specialized, relatively inexpensive tool - grinding machines, which we cannot do without, helps the workers to cope with the task at hand. The painfully familiar emery, fixed on a wooden block, or squeezed in the hands, remained in the past. The foremost workers of capitalist production have produced a lot, a lot of wonderful professional grinding machines, designed for any occasion, without depriving the attention of home craftsmen - those who like to create something with my own hands... Understand the variety of grinders and make right choice in fact, it is not difficult, the main thing is to know what a particular tool is intended for, and also clearly understand what tasks you will set for the grinder.

It is customary to distinguish between three main types of grinding machines: belt, eccentric (orbital), surface grinding (vibration). All of them have their own specialization and form a kind of cascade of possibilities, directed from fast rough processing to delicate finishing sanding. Many of those who are closely related to grinding "on duty" have in their arsenal a complete set of tools of this class. Belt sanders are heavy artillery for removing large layers from large surfaces. FSHM are focused on finishing. And ESHM are able to give an even better quality result, bordering on polishing, but, in comparison with vibration machines, they have a different principle of operation and a different filling.

Belt Sanders

Above, we inadvertently called the belt sander heavy artillery, in fact, it would be more appropriate to say "tank". The working element of this well-recognized tool is an abrasive belt, glued together in the form of an endless ring, which moves along two end rollers and clearly resembles a tracked vehicle track. Such units are relatively powerful, they have a relatively simple, reliable design (bevel gear plus V-belt transmission), a low center of gravity, and a solid speed of movement of the abrasive material. With a belt sander, you can easily remove a layer of material a few millimeters, make an edge or rounding on a workpiece, remove old paintwork or rust. She is subject to: wood, metal, polymers, mineral building materials ... Clean the floors from paint - yes, correct the planed timber - please, align the plastered wall with the marriage - no problem. However, it should be understood that high performance is not best friend quality, there will certainly be scratches and sinks. For finishing sanding it will be necessary to use an orbital or surface sander.

It is no secret that the power consumption of its motor directly affects the performance of an electric tool - the higher it is, the more we can squeeze out of a particular unit. In the case of LSHM, the consumer has the opportunity to choose from models with a motor from 0.5 to 1.2 kW (Skil Masters 7660MA - 1200 W).

Please note that the instrument of Chinese brands is often declared with overestimated engine power ratings, or, if there are indeed sounded watts, then they are not balanced with the rest of the device's characteristics. Record power is praised by those manufacturers who have nothing more to show, except perhaps the great weight and bulkiness of the "unique" product.

The next characteristic that is important for a belt sander is speed. Obviously, it also needs to be taken into account in order to determine the capabilities of the instrument. A fast car will do more, but you won't be able to pin it down unless the outstanding speed is backed up by extra power. It's all to blame for the notorious torque, which says that the more speed the tool has, the less force remains. A responsible manufacturer carefully balances these characteristics, makes them mutually mutable, which is sometimes the responsibility of smart electronics. The speed of the belt in these grinders can be in the range of 150-550 meters per minute (Fiolent MShL1-100 - 550 m / min.).

The question may arise, why even produce nimble, but relatively weak LShM? It's just that a super-productive (fast and at the same time strong) car is more difficult to control, it is heavier, larger, more expensive. She, if pressed too much, can easily ruin the workpiece. In turn, maneuverable high-speed light weights are convenient in a short time, often "on site", to process a large surface area. If you do not yet know what loads await the grinder, choose a slower model that you can apply a little pressure on, so it will be more versatile. Even more versatile are LSHMs with the ability to preset the speed mode (Sparky MBS 976, DeWalt DW433). Among them there are options with smooth or step adjustments.

It's time to say about the electronic systems that help in the work of belt sanders. These machines are not rich in electronic stuffing, compared to other types of electrical tools. This is usually limited to adjusting the belt speed. The switch responsible for this function is performed in the form of a slider or a wheel with divisions. There are models with overheating protection (Metabo BAE 75). With some stretch, this includes the function of fixing the start button in the on position.

Much more interesting is the case with mechanical "bells and whistles". The kit may include a stand or special clamps designed for stationary fastening of the tool (very convenient for processing small parts). The sanding frame serves as a kind of stop that helps to avoid damage to the workpiece. A rip fence or miter fence is useful for a precise bevel or flat, parallel surface. The thin front roller in some LSHM (Black & Decker KA88) has a small diameter, which allows minimizing the dead zone during inner corners... Automatic centering of the belt (the tricky barrel shape of one of the rollers) does not allow the latter to treacherously slide at the most inopportune moment. An additional handle with a variable inclination or a removable handle will significantly increase the functionality of the machine in "clamped" places - sometimes noticeably.

Special attention should be paid to the dimensions of the working plane - the sole, respectively, the length and width of the tape. Wide soles (100 mm) are characteristic of powerful professional models, making them more stable and productive. The hobby class is usually limited to 75 millimeters. The long and wide sole of expensive LSHM has a complex structure, consisting of a substrate and an elastic plate, which allows you to have constant uniform contact of emery with the part, such a tool “holds the plane” well. It is necessary to mention "ribbons" with narrow accessories - these are the so-called "electric files", which do not differ in great power and versatility, but experts appreciate them for their unprecedented compactness (for example, Makita 9032 with a tape only 9 mm wide).

The dust removal system is available in all draw frames, but not all of them work equally effectively. The fight against dust is carried out either with the help of a vacuum cleaner connected through the nozzle, or by collecting it in a bag, built-in filter. Of course, a vacuum cleaner is preferable, especially when sanding mineral bases... In super-cheap models, the impeller, which is responsible for air intake, cannot cope with its function, the channels quickly become clogged, and a lot of harmful "flour" remains in the air.

Surface grinding (vibration) machines

If we take into account the cleanliness of the processing of parts, then surface grinders occupy an intermediate position between belt and orbital. With their help, they carry out the finishing grinding of flat surfaces made of a wide variety of materials - plastic, wood, stone, metal ... Due to the relatively large working plane, the PSHM is suitable for working with serious quadrature. The secret of the popularity of vibrating grinders lies in their moderate cost, accessibility of tooling elements, as well as in the absence of dead processing zones (a flat out-of-the-box sole easily handles corners).

The main working body of a surface grinder is a plate, which, with a small amplitude, makes frequent reciprocating movements. The motor in such machines is located vertically, which makes it possible, using the "eccentric-counterweight" tandem, to translate the rotational movements of the shaft into translational movements of the platform.

Most vibration grinders traditionally boast a motor with a power of 150-300 W, they are quite maneuverable, moderately light and compact. Of a similar level power plant almost always enough. However, such a consensus among manufacturers would be at least strange - there are models with a capacity of up to 600 W (Makita 9046). They are, of course, heavier and larger, but they can work at low speeds for a long time without overheating.

The most important indicator of the PSHM is the amplitude of the sole stroke. In different models, it can differ, although it is invariably a relatively small value. On average in the class, the platform moves by 1-3 mm; in more mobile models, figures of 5-6 mm may appear (Festool RS 100). A large amplitude helps to sand the surface faster, but it will also be rougher.

Another nuance is the stroke rate of the sole. At high speeds, the machine quickly removes a relatively thicker layer, while at lower speeds it is easier to achieve a precise finish sanding. Some manufacturers make the platform speed variable, exceeding 20,000 strokes per minute (Bosch GSS 280 AE L-BOXX), which allows you to adapt to the processing different types materials, for the features of specific surfaces.

When choosing a vibratory sander, special attention must be paid to the platform. With its dimensions, everything is quite simple, there are two options: a kind of "standard" and "mini" models - the area of ​​the plate is about 100 mm 2 (Makita BO4557, Sparky MP 250). Toddlers are good for tight, tight spaces. Obviously, the sole must be of high quality, perfectly flat, with clear geometric shapes. Budget cars are equipped with a platform made of steel or high-strength plastic, and more expensive counterparts are equipped with cast platforms made of alloys containing aluminum or magnesium (Festool RS 100). A good sole is characterized by accurate balancing, which is easily determined by low vibration during no load (idle). It is important what the pad is made of, the most suitable option- it is a porous polymer, it is better than rubber, "holds" the plane.

Vibrating grinders with a deltoid platform are distinguished into a separate class; they are popularly called "iron" (Hitachi SV12SH, Makita BO4565). Due to their miniature size and good "cross-country ability" they are used for processing objects with small details and complex surfaces, such as furniture, woodwork, elements of stairs, car body. Their triangular platforms are swivel - you can continue to work with an uneven "eaten" emery petal (Festool Deltex DX 93E) or removable (with a quick installation of another type of platform - for concave / convex surfaces, for structuring, polishing, rubbing).

Emery can be attached to the site in different ways. It is more convenient when the paper is fixed with Velcro, but special equipment is relatively expensive. The option with spring-loaded clamps is somewhat more complicated, but you can use inexpensive sanding paper, cut with your own hands (you just have to make holes in the right places for dust extraction).

Fighting fine dust, which inevitably forms during sander operation, poses many challenges for developers. They have to work hard to protect all mechanisms. In this case, a special sealing of the motor, protected bearings and switches, an impermeable housing, a system of channels with a forced dust extraction are used. So that dust is removed from the working area and does not saturate the air, it is sent to a collection bag or filter, in most cases a vacuum cleaner can be connected to the nozzle - this is the most efficient method protection.

Eccentric (orbital) sanders

This type of grinder is designed for high quality processing. Delicate sanding and even polishing is their element, although the performance of such machines can be no less impressive than that of vibrating machines. They will cope with any material, most often you will find ESM at wood craftsmen, car painters. In work with profile, volumetric, curved objects, eccentric grinders have no equal, they also have no problems with planes. The only place where such a machine will fail is in the corners and shallow recesses - the "plate" simply cannot reach there.

As well as surface grinding units, "orbitals" have an eccentric and a counterweight, with the help of which a circular grinding plate performs not only movement around its axis, but also in an "orbit" with a small amplitude. Interestingly, the axial movement usually occurs by inertia, and in some models, it is forced (by means of a gear transmission - Kress 900 MPS). Such a complex movement of the working blade, coupled with the highest rotation speed, just allows you to get a surface of excellent quality, without grooves, waves and scratches.

From 200 to 900 watts - this is how much the motors of modern ESHM consume. Those that are more powerful, of course, will be more productive, they can easily pull a larger sole, up to 150 mm in diameter (for example, a 400-watt Bosch GEX 125-150 AVE or Interskol EShM-150 / 600E).

Bosch GEX 125-150 AVE

Orbital vehicles also differ in the speed of their translational motion. If we talk about rotation, then this figure can be from 4 to 14 thousand eccentric revolutions per minute for models with adjustment (Metabo SXE 425), and about 12,000 for models without it. If we talk about the concept of "fluctuation" - then these figures will be half as much. In fact, everything is simple here, the higher the speed, the rougher the processing will be, but the faster you can get the job done.

The eccentric of orbital machines may not have the same "span" - from 2 to 7 mm (Festool WTS 150/7 E-Plus). This is called the wobble amplitude. The smaller it is, the less vibration the device generates, the more compact the plate goes, the smaller the area we process, but the cleaner the grinding will be. In some ESM, the operator can set a certain amplitude, affecting the productivity and fineness of grinding.

Compared to their counterparts (LShM and PShM), "orbiters" are usually well stuffed with electronics. We have already talked about setting the speed and amplitude, in addition to this, the professional tool is equipped with an automatic frequency control system (Bosch GEX 150 Turbo) so that it does not fall under load - this is a constant electronics. Some models have an electrodynamic brake (AEG EX150ED K), which immediately stops after the start button is turned off. working plate, preventing damage to the workpiece and reducing the possibility of injury. For powerful professional machines, an inrush current limiter can be provided (Makita BO6040 ), which smoothly accelerates the tool, preventing a starting jerk and protecting the network from a short-term, but several times increased load.

A very pleasant option is removable network cable, adjustable or detachable front handle, locking the start button, functional dust extraction.

Be sure to pay attention to the type of sanding pad. Firstly, if you need a particularly delicate treatment, do not chase after a large plate, by the way, it has a larger dead zone and an amplitude of about 5-7 mm. The plate made of metal is stable, highly durable and has excellent heat dissipation. The resilient saucer works well with curved surfaces. All of them have Velcro for fixing the emery and dust suction holes. These holes from individual manufacturers may be different in size, number and location, on this basis, you need to select a suitable tooling.

If financial question is not the least important, then for a home workshop you can purchase a model from the category of "hobby". Quite good copies are offered by Makita, Black & Decker, Skil, Sparky, Bosch. Look in the direction of the domestic manufacturer - Interskol, Fiolent have noticeably improved in terms of the quality and functionality of their instrument.

Pay attention to the weight and dimensions of the product of interest, especially if a lot of work is planned "locally", by weight, with outstretched arms. Give preference to a not too powerful car, but a faster one, it will be lighter, more compact and cheaper. But for the regular performance of operations on the workbench, the large weight of the device will be more a plus than a minus.

Be sure to thoroughly "feel" the grinder, find the most suitable for you in terms of ergonomics. Decide on the type of main and secondary handle, most likely you will have to choose between "mushroom" and "bracket". See if the switches are conveniently located and how they work, how easy it is to change accessories, and if the power cord is getting in the way.

Check the moving parts of the product for play. Look at the accuracy of the fit of the body parts. Turn on the machine in the tool magazine, at least at idle speed, assess the level of noise and vibration. Ask about the cost, assortment and interchangeability of consumables.

Weigh all the pros and cons, do not rush to make a choice, then the entire repair will go smoothly.

The wood sander is an indispensable tool for finishing work. Thanks to its use, the process of polishing and grinding wooden surfaces is significantly accelerated. The unit itself is convenient and compact, which makes it possible not only quickly, but also to level the walls, floor, furniture and other wooden surfaces with high quality.

At the moment, there are four types of grinding machines, which differ in the field of application, design, principle of operation and other criteria. The following types of grinding machines can be used for carpentry and joinery, as well as repair and construction works:

1. LShM - belt grinders;
2. VShM - vibration grinders;
3. OShM - orbital sander;
4. Delta sander.

The choice of a typewriter is directly influenced by the scale of the upcoming work (for home or professional use).

Belt sander

The belt sander is ideal for professional use.

The belt-type design includes two rollers (leading and driven), which, in the course of their movement, drive the belt attached to the sole of the tool. Depending on its pricing policy, this tape can be made of various materials.

An important technical characteristics all grinders have their operating speed, which depends directly on the power of a particular model. For LSHM, this value can be in the range from 500 W to 1200 W at a speed of 75-500 m per minute. Most of the manufacturing firms equip their products with a special regulator to control the belt speed.

The dimensions and other features of this tape also depend on the capabilities of the tool. Therefore, in the selection process, the following factors must be taken into account:

1. Lenght and width. The more their values, the more functional the model is. However, with the growth of these indicators, the weight of the machine, as well as its parameters, increases.
2. Granularity. Usually, professionals recommend keeping in stock several of their varieties, which are designed for fine and rough grinding. Thus, you can count on the expected result of the work.

In general, LShM are industrial units with a fairly high power. With their help, large areas can be processed in a short period of time and, as a result, a perfectly smooth surface is obtained. It will be difficult for a person without experience to operate the grinder, which can lead to damage to the wooden surface.

The belt-type machines are ideal for rough and quick processing of wood, metal and plastic surfaces.

Vibrating sander

The most popular type among all grinders.

In terms of the frequency of processing wooden surfaces, the vibration machine is slightly inferior to the belt type. With its help, the final (finishing) stage of grinding wooden, plastic, metal or stone flat surfaces takes place.

The main part of the machine is a plate that makes frequent reciprocating movements. The very same shaft rotation is translated into translational movements of the platform due to the vertically located motor.

What to look for when choosing this tool:

• Outsole quality. The sander must have a perfectly flat, high-quality sole with a clear geometry. Cheaper options include a plastic or steel platform, while more expensive options include magnesium and aluminum alloys.
• The material from which the pad is made. A porous polymer pad is considered best, while rubber works worse with a plane.

The vibratory sander processes any surface with high quality. This is the best option for processing hard-to-reach places.

Orbital sander

The Bosch GEX 125–150 AVE model has 400 W of power, which can easily stretch the sole up to 15 square meters. cm.

The orbital or eccentric machine features a round sole, while the sanding element itself is attached with a special Velcro. The unit includes a counterweight and an eccentric that drive the sole in multiple directions.

The product can work in two ways:

1. By orbiting;
2. By rotating it along the axis.

Axial movement in most models occurs by inertia, less often - forcibly. As a result of its complex movement and high speed of the machine, a high quality surface is obtained without any single flaws. Dust is discharged to the outside through special holes on the grinding wheel, as well as on the sole itself. To collect it, containers or a vacuum cleaner are used.

Features of the models:

• The power of the grinder can vary between 200-900 watts. The higher the value, the more productive the tool will be.

• The speed of the forward motion. Adjustable grinders can have this indicator in the range of 4000-14000 rpm, without adjustment - up to 12000 rpm.
• Sole type. If a delicate sanding is required, then you should not choose a large sole, which also has a dead zone and an amplitude of up to 7 mm. For convex surfaces, it is advisable to use an elastic pad.

The compact outsole is capable of handling even hard-to-reach surfaces.

• Plate material. The best choice is a metal plate that has high strength and reliability, conducts heat well, and is particularly stable.

The orbital type is designed to carry out the polishing and grinding process at a high level.

Delta sander

This type of sander is designed for processing surfaces not only made of wood, but also metal, plastic and stone. According to principle

Compact and versatile delta sander.

work they are similar to vibration models. Their feature is the shape of the plate, which makes it possible to perform high-quality grinding work even in hard-to-reach places.

The movements of the sole are carried out at high speed and have a reciprocating appearance. For both home and professional use, it is advisable to choose a powerful model with the ability to regulate the speed of its operation. Thus, it becomes possible to work with several types of surfaces.

A wide range of modern products allows you to choose models with special holes for removing dust, the ability to install additional attachments, rotating soles and other features of work.

The delta sander is designed for polishing and cleaning any surface, even in hard-to-reach places.

• Important details. Before choosing a specific model, it is worth checking all moving parts for backlash, as well as the degree of accuracy of fitting the body components.
• Noise and vibration levels. To evaluate these indicators, it is worth including the selected model directly in the store. This is the only way to evaluate the performance of its work.
• The cost of components. It is worth clarifying in advance what the cost of possible repairs, consumables and components that may be needed in the process of work will be.

Do not rush to choose grinder... Only after carefully weighing all the pros and cons, you can purchase a quality tool that allows you to carry out repair work at a high level.

You bought an apartment on a mortgage and you don’t have an extra penny at hand? Then you can save on repairs. Those who make repairs with their own hands for the first time may not be afraid: experience comes with time and the amount of work done. Not everyone succeeds in pleasing their demanding family the first time, especially in young families with a demanding young housewife. You have to work hard. However, time passes, and you are already at the stage of finishing work. This is where the need for grinding or polishing will arise. You may need to saw off a piece of bathroom pipe to fit. All this is not scary if you arm yourself with minimal knowledge of grinding machines, which is not so difficult to work with, if you judiciously choose a grinder (or grinder, as it is often called) with the desired function. What kinds of grinders are there?

Sanding removes dirt from the floor surface.

Belt Sanders

This type of tool is necessary for those who are going to grind large areas of flat surfaces. Also, such a machine can be purchased if you need to remove a thick layer of putty, varnish, or just process a rough surface. A similar grinder is used for woodwork, plastic or even metal. The design of the tool allows for a comfortable center of gravity, which reduces stress on the hands. If you need to prepare edges and bevels in workpieces, then you can safely purchase a belt sander.

Most belt sander models can be permanently installed.

The main working element of the machine is a sanding belt, which rotates along guide rollers. The operating principle of the machine resembles that of a tracked tractor. Such a tool can operate at a speed of 70 - 500 rpm and consume power from 500 to 1200 watts. In stores, you can choose a model in which the speed of the sanding belt can be adjusted (the speed can be smooth or stepped). It makes sense to purchase a model with an additional handle for cornering. If you value convenience, then instead of a respirator, get a sander with a dust collector. In order to exclude deformation of the part, use a grinding frame; the vice will allow you to use the grinder in stationary mode. If you need to accurately machine parallel surfaces, then it is worth choosing devices such as corner and parallel stops.

The fasteners allow you to easily remove the old and install a new belt, which, thanks to quality workmanship, does not fall off the guide rollers. In some models of belt sanders there is an automatic belt centering system, it is also possible to use narrow and wide sanding belts. If it is necessary to carry out work on coarse sloughing of the surface, it makes sense to choose a tape with a large grain.

Belts, both for light sanding and for difficult peeling, are made of durable fabric and are not afraid of heavy loads.

It is especially necessary to highlight the following types of machines:

• a tape file - it is used to penetrate places that are hard to reach for an ordinary grinder;
• brush grinder - allows you to process the surface using a special brush (suitable for wood and metal). It is used by someone who needs to remove rust, paint or another type of synthetic coating.

Vibrating option

If the emery is attached to the pad with spring-loaded clamps, you can use your own cut paper.

In most cases, such a machine is used for finishing when working with various materials... Surface treatment is carried out by vibration of the grinding plate of the machine itself. The vibrating force is generated by rotating an eccentric motor attached to the shaft. If it is necessary to process large area(for example, parquet flooring throughout the apartment or house), then an orbital sander with a rectangular plate will successfully help to cope with this. The power of the vibration grinder is 160 - 600 W. The engine speed control on some models reaches 20,000 rpm, which is very attractive for use on almost any surface.

Vibratory grinders can be equipped with a dust extraction system in a special container or remove dust into a working vacuum cleaner through a slot in the sanding sheet itself. This increases the comfort of use and extends the life of the sanding sheets.

How are sanding sheets fixed? This is possible in two ways: using pressure levers (which is more practical) or using Velcro (in some cases, this optimal solution). Some of the improved models have a replaceable sanding plate, thanks to which the sanding sheet can be fixed different types fastenings. Sanding sheets for orbital sanders have different grain sizes, which allows them to be used in different situations.

Delta sanders

Delta sander is perfect for sanding corners.

If you decide to engage in restoration old furniture, window frames or blinds plates, then such a machine will become your irreplaceable assistant. The principle of operation of a delta sander is similar to vibration models of grinders, but the special shape of their grinding plate allows you to process surfaces in narrow and hard-to-reach places. The power consumption of such a tool is only 100 - 300 watts. The dust is removed to a special container. If you decide to choose a delta sander, then keep in mind that the sanding sheet is attached only with Velcro. In order to save money, some manufacturers have developed models that allow you to turn the sanding sheet in the desired direction and use its surface until maximum abrasion.

For delta sanders, you can purchase a sanding or cleaning cloth for cleaning metal surfaces from rust, treatment of hard-to-reach wooden parts, matting of lacquer coatings. Polishing sheets will allow you to correctly finish, polish and rub.

The supplied lamellar nozzles allow the craftsman to easily penetrate the narrowest crevices. If someone has once used an abrasive plate with a flat or oval tongue, he can easily take up the processing of concave or rounded parts.

Orbital Sanders

Due to the complex trajectory of movement, you will never go through the same place twice.

The principle of operation is similar to vibration grinders. The difference is the ability to perform not only reciprocating movements, but also circular ones. This property allows you to increase the productivity and range of application of the machine, which helps to carry out grinding work on convex and concave surfaces without risks. A special advantage of some eccentric sanders is the availability of an elastic sanding pad.

Eccentric grinder motor power 150 - 400 W. If we choose a model with an adjustable engine speed, then the speed of the final processing of the required part will accordingly increase. Dust from such a machine is removed into a container through a hole in the sanding sheet. For those who are not indifferent to electronics, there is an electronic system for accelerating the engine speed.

A good selection of sanding sheets with different grit sizes help to work with a variety of materials. Wool caps and polishing pads allow for a high-gloss polishing of very fine surfaces. The main method for attaching polishing sheets is with Velcro.

Corner analog

It is the grinder that has been the most common tool for quite a long time, capable of processing stone and metal, grinding, scraping and cleaning almost any surface. If we are to choose a grinder for household needs, then, of course, a grinder. However, one must not forget that the working disc of the angle grinder is designed to process a certain type of material. Avoid cutting with a grinding wheel and vice versa. Otherwise, you will be injured. If you decide to make a deep cut, then you need to select a disc of a suitable size.

Wheels for work are not included in the standard package.

You can replace the disc at the grinder with a wrench or a special nut, which can be tightened manually.

Angle grinders can be one-handed or two-handed. Both the one and the other are equipped with an additional handle, allowing you to work in more comfortable conditions... If it is necessary to cut the stone, then a special guide slide should be used. Professional models of grinders are equipped with systems for adjusting and maintaining the speed, smooth start, protection of the tool from switching, automatic balancing of the disc. To protect the master, angle grinders are equipped with protective movable covers, provide a special button that blocks accidental activation of the tool.

If you decide to purchase a sander (which will not hurt even for a small household), then consider how often and for what purposes it will be useful to you and what material you will process.

Don't forget to pay attention to the following parameters:

When choosing a tool, be sure to find out the availability of consumables.

1. Tool power. Your productivity depends on it. If you are not going to go beyond repair work within the apartment, then pick up a machine with a capacity of 0.7 - 1.0 kW. If your plans include work on concrete or just frequent grinding work, take a closer look at machines with a power of 1.5 kW or more.
2. The number of revolutions of the disk. Discs different models rotate from 2,700 to 11,000 rpm. The smaller the disc, the higher the speed and vice versa. Excessive speed is fraught with fracture of the workpiece and injury to the master.
3. Disc (circle) diameter - Depends on the thickness of the processed material. If you need to use a large disk, then you need to choose a more powerful model for it. Today, models with a 125 mm disc are popular, allowing you to satisfy the most necessary household needs.
4. Smooth starting of the tool - avoids a sharp load on the power grid. A smooth start will help to avoid sudden jerks when turning on the tool, which, in turn, reduces the risk of breaking the workpiece and getting injured by the craftsman.
5. Ergonomics of the instrument. Ease of use of the tool (for example, the presence of a flat body allows you to use the machine in confined spaces), its weight, the presence of an anti-vibration handle contribute to comfortable and pleasant work.
6. Quick-detachable protective cover - allows you to set yourself in the desired position without the use of additional tools.

Whichever machine you choose, you should not forget about the safety of work. Take the time to wear gloves and goggles. Make sure that your baby is under the supervision of a caring mother and does not risk getting an electric shock. Then any renovation work will bring joy and satisfaction. After all, what has been done is done by your own hands.

Let's start with the classification - each variety has its pros and cons, its own specialization. If you need to process planes of a large area at a high speed, and at the same time does not even fit the ability to sharpen the same drill or chisel, choose belt sander, which, if desired, can be used as a sharpening machine. But keep in mind that not all models have the ability to attach on the side or upward with a tape! In addition, the high performance provided by the belt running quickly in a circle will also require "straight-handedness" - by pushing or overexposing the machine in place, it is easy to "dig" an unevenness in an almost ideal plane. A couple more disadvantages are the complexity of the design, the presence of a belt drive and the need to buy ready-made belts of the required standard size.

Vibrating machines have a rectangular or "iron-shaped" (for working in corners) sole, rapidly oscillating back and forth with a certain amplitude. Such cars are simple in design (you can buy an amateur one inexpensively, without especially risking reliability) and good in performance. For them, you can easily cut the sandpaper yourself from the sheet, especially if the manufacturer has added a device for punching holes in the sheets to the kit. Even a beginner will master such a machine quickly. But, if you do not plan to work with wood, it is still better to look aside. eccentric (orbital) machines- they, of course, are more complicated, and you will have to buy Velcro circles, but it is easier to ensure the cleanliness of the surface with an "orbit" (the circle does not "crawl" back and forth, but also turns during grinding), it is more convenient to work on bends. It is not for nothing that you will see such cars in any body car service: here you have to constantly bring curved surfaces to zero. But for a tree that needs to be sanded along the grain, an eccentric machine is not suitable precisely because of the principle of operation, in the hands of carpenters there are only vibration "surface grinders".

In addition to the power, convenience and level of vibration that you need to pay attention to when choosing any power tool, be sure to make sure that there is good dust protection for the main components of the machine and especially in the efficiency of dust removal: it is not always possible to connect a vacuum cleaner, and it is simply dangerous to use some models of grinders without a respirator, so they throw a lot of dust into working area to the air.

A grinder is a special construction tool designed for abrasive cleaning of the surface of all kinds of materials. One of the varieties of such equipment is designed specifically for working with wood. Such grinders, in turn, are also subdivided into several basic types.

What type of equipment to choose

Wood sanders can be classified according to several criteria. There are, for example, professional and household tools on the market. Also, a wood sander can be:

angular;

straight;

tape, designed for rough surface treatment;

vibration, used for delicate grinding;

eccentric (orbital).

The latter type of equipment can be used not only for final sanding, but also for polishing wooden surfaces.

Professional or household?

When deciding which sander to choose for a tree, first of all, one should consider how often it will be used on the farm in the future. Professional equipment of this type is very powerful and is designed for continuous use and continuous operation throughout the day. Such tools are made from the most quality materials and usually have a lot of power. But such cars are often very expensive.

If the tool will be used only from time to time, as needed, it is worth purchasing, of course, its inexpensive budget household option. In most cases, these machines are designed to be used for no more than 20 hours a month. A household tool for wood should be used for a maximum of 3 hours per day. In this case, when grinding, you need to take short breaks for 15 minutes.

Household equipment capacity is also relatively low. To the pluses of such wood sanders, consumers primarily refer to their low weight and low cost.

Corner models

It is this type of equipment that is most often used in domestic conditions. In another way, an angle grinder for wood is called a grinder. It can be used to process not only timber, boards and logs, but also any other materials. Grinders are used in the household, not only for grinding surfaces. Very often they also cut metal or stone with their help.

When choosing an angle grinder, you should pay attention to two main factors: model power and disc diameter.A grinder is suitable for grinding wood:

with a power of 600-1000 W;

with a disk rotation speed of about 6000 rpm.

Straight cars

Such equipment is usually used for all sorts of small jobs that require high precision. In most cases, straight models of wood sanders are very lightweight. You can hold them during work with one hand. The spindle in this type of equipment is parallel to the body. Such machines with attachments are used. different types... Therefore, with their help, you can perform not only the actual grinding, but also engraving, as well as cutting materials of small thickness.

Belt equipment

A sander for wood of this design can be used both at home and in large workshops. Band tools are distinguished by their high power and productivity. But the processing of material with their use can only be carried out rather roughly.

The main elements of the belt equipment mechanism are:

driven and driving rollers;

support sole;

movable belt.

The power of a belt sander for wood can be 500-1200 watts. The rollers in such equipment move at a speed of 75-500 meters per minute.

When choosing equipment of this type, in addition to performance, it is worth paying attention to such a parameter as the width of the tape. You should also look at what additional functionality the model has. Very often, belt sanders are supplemented, for example, with such a convenient device as a nozzle for a vacuum cleaner. Also, sometimes this type of equipment comes complete with a stationary installation and a frame for measuring the depth of grinding.

Vibration models

Belt sander for wood,thus it is used for rough surface treatment. For more delicate grinding, vibration equipment is usually used. Workingsole atsuchmachine has a rectangular shape.Therefore, you can use such a tool, including for a thoroughgrindingcorners of workpieces. In the process of operation, the platform of the machine makes reciprocating movements. Abrasives can be attached to the sole of the equipment with Velcro or clips.

Thus, the vibratorysander for wood. How to choosesuch a model is a relatively straightforward question.Atpurchasing equipment of this type home master it is worth paying attention primarily to eththe power and the number of vibrations of the sole per minute. Also, vibration sanders can differ in terms of the amplitude of the platform displacement. The power of this type of equipment varies in the range of 110-600 W. At home, devices for 250-300 watts are usually used. The sole of this type of machine can oscillate at a frequency of 6-25 thousand times per minute. The higher this indicator, the more efficient the model, of course.

The vibration amplitude of such equipment is usually in the range of 1.5-5 mm. For the most delicate processing, those machines are suitable for which this indicator is 1.5-2.5 mm. Equipment with a larger amplitude of platform movement is usually used for coarser grinding.

Orbital models

Such a sander for wood works on approximately the same principle as a vibration one. The only difference is that the platform for the orbital equipment moves along a more complex trajectory. That is why, when using eccentric machines, the surface is almost perfect. Such devices process materials better than vibrating ones. But they are, of course, more expensive.

Grinding machines of any design are often supplemented with dust removal systems. The presence of such a function usually does not have a very serious impact on the cost of equipment. But at the same time, the processing of the material with a tool with a dust collector can be much better. In addition, the eccentric, belt, angular or vibrating wood sander itself, supplemented by such a system, can last much longer (due to cooling through the ventilation holes during operation).

In addition to the design, when choosing such equipment, you should pay attention to:

• its weight (the lighter the machine, the less the hand will get tired);
• productivity (the processing speed depends on this indicator);
• power;
• the shape of the casing.

The convenience of working with it directly depends on how ergonomic the model's casing is.

Manufacturers

Equipment such as a sander is quite expensive. Therefore, when choosing her, among other things, of course, you should pay attention to her brand. You should only buy cars from the best manufacturers having a good reputation. The load on the equipment during operation is significant. Therefore, a poorly built tool will most likely last very shortly.

Many companies supply such products to the domestic market today. But the most popular among domestic consumers is the equipment of such manufacturers as:

Bosch.

Interskol.

"Makita".

Hitachi.

Which sander is best for wood: rating

All these companies supply different models to Russia. Some of them are more popular with consumers, others less. The top 5 grinders, according to domestic craftsmen, looks like this for 2017:

Makita 9558HN.

Interskol UshM-125/900.

Bosch GWS 780 C.

Makita BO50 3 1.

Hitachi G13SS2.

Today, according to the majority of consumers, it is

Makita 9558HN: description and reviews

« Makita "- equipment is really popular in Russia. Domestic consumers buy cars of this particular manufacturer most often. To the advantages of the corner model Makita 9558HN, like most others produced by this company,consumers are primarily small weight, quiet operation and high power. According to DIYers, it is very convenient to sand wood with the Makita 9558HN.The engine is practically inaudible during operation of this machine. Such equipment is relatively inexpensive - about 4000 rubles on average. Some disadvantage Makita 9558HN consumers consider only a not very convenient power button. Starting and stopping this equipment during grinding is difficult.

Interskol UshM-125/900 tool

This another very reliable, according to many consumers,. It is produced in Russia and the build quality is pretty good. The advantages of the equipment "Interskol UShM-125/900" are considered by consumers first of all to be simplicity of design, reliability, and low weight. Sometimes it happens that on the packaging of the grinder, the power is indicated quite high. In fact, the equipment does not correspond to the declared indicator. Bulgarian Interskol UshM-125/900 it is completely devoid of such a disadvantage. With a declared power of 900 W, ceramic tiles for example, she cuts like butter.

Such models are on the domestic market within 2500-3000 rubles.Their only drawback is considered to be overheating during prolonged operation.

Bosch GWS 780 C: reviews

Angle machines "Bosch" are being assembled also in Russia. Their main advantage is their low weight. Despite the fact that the dimensions model The Bosch GWS 780 C is very small, the amount of work done with it can be enormous. Also, the advantages of this model are considered to be a smooth start and a quick stop of the engine.

Such cars cost about 3.5-5 thousand rubles, depending on the supplier. The disadvantages of the Bosch GWS 780 C are that consumers consider the bundled cable too short and the lack of a case.

Consumer opinion about Makita BO5031 typewriters

By the luces of this eccentric the models of the master consider small vibration,the presence of a speed regulator, quiet operation. Sand wood with Makita BO50 3 1 can be very high quality and pretty fast. Also, this machine practically does not get warm during long-term operation. The disadvantages of the model, consumers include a poor-quality dust collector included. When working with the machine, you must additionally connect a vacuum cleaner. This model costs 5-6 thousand rubles from different suppliers.

Hitachi equipment

The Japanese company "Hitachi" also supplies very high quality equipment to the Russian market.Hand grinders for wood corner Hitachi G13SS2, like almost all other models of this manufacturer, deserved and good feedback consumers, first of all, for reliability, rather high power and not too heavy weight. You can change the circle or disc on this equipment absolutely without any problems. Also, the machine has overload protection.

The majority of consumers consider the body of this equipment to be very convenient. The hand does not get tired when working with it. Disadvantages of Hitachi G13SS2 the masters attribute a short cord in the kit and some noise. Such cars cost about 2000-2500 rubles.