Wall chaser - attachment for an angle grinder: Fiolent, Makita, Interskol, Hilti, reviews

What is a wall chaser for aerated concrete?

When renovating apartments, homeowners take a new approach to the placement of utility networks and various communications:

• water supply pipes;
• heating lines;
• power cables;
• sewer risers.

Wall chaser for aerated concrete It is understandable that apartment owners want to place communications inside the walls and thereby improve the appearance of the premises. The technology for hidden placement of highways involves the creation of special grooves. In the vocabulary of professional builders, such channels are called grooves. For their production, a gas silicate wall chaser is used. The tool began to be used relatively recently. Before its appearance, equipment was used for chiselling grooves that created vibration during operation and negatively affected the strength of building structures:

• a bolt or chisel that was struck with a hammer. The process of creating the grooves was slow and required considerable effort;
• pneumatic hammer. The tool created increased noise and significant vibration. A lot of dust was also present during the formation of the channel;
• industrial hammer drill. During the formation of cavities, vibration negatively affected the strength of concrete and caused the formation of cracks.

The use of these types of equipment required significant physical effort and was characterized by reduced productivity and increased labor intensity. Increased concentration of dust, significant noise and vibration caused a lot of inconvenience. The outdated equipment was replaced by a wall chaser for aerated concrete - a hand-held tool that has many advantages:

• reduces the duration of laying channels in walls;
• reduces the labor intensity of construction operations for gating;
• allows you to provide the necessary channel geometry in various building materials;
• provides the ability to adjust the width and depth of the cavity being formed;
• removes dust from the treated area, reducing dust concentration;
• forms a channel of the correct shape with constant dimensions along the length.

Industrial wall cutter for aerated concrete For one-time work, there is no need to purchase an industrial wall cutter for aerated concrete, which is quite expensive. There is a good solution - you can assemble a wall chaser from an angle grinder with your own hands. Drawings are not needed for this modernization, because the design is simple. Using available materials, you can expand the technical capabilities of home tools equipped with an aspiration system.

The use of a self-made tool ensures:

• reducing the cost of plastering the groove due to the neat shape of the channel. The resulting groove does not require an increased amount of plaster;
• the ability to cut grooves in building materials with increased hardness. In this case, two cuts are performed at once in one pass.

After processing, all that remains is to remove the cut building material located between the cuts, and you can begin laying communications.

A little about gating

A groove (the term “furrow” is less commonly mentioned) consists of two parallel grooves, the width and height of the walls of which determine the possibility of installing communications in it. To make grooves, the following groove dimensions are required:

• Width from 3 to 50 mm (the first option provides for laying only power and low-current cables in the groove, the second - for installation of heating system pipes);
• The depth of the groove is no less than its width, but it is better with a small margin of 5...10 mm;
• The bottom of the groove is smooth, without protrusions.

Sometimes you have to cut inclined grooves. For oblique grooves, all specified dimensions are usually increased by 10...12%. The groove should be as even as possible, since any slope of the groove will automatically increase the length of the cable or pipe. The distance from the groove axis to adjacent ceiling structures, openings, etc. must be at least 150 mm, and to the gas pipeline elements - at least 400 mm.

The material of the walls also matters. Since the groove is obtained by removing material from under the tool disk, all dust and stone fragments fall into the worker. Even when performing such work in walls made of foam or aerated concrete, the need for dust collection is very important, since fine dust will remain in the air for a long time.

In a professional wall chaser, all these problems are solved by connecting a vacuum cleaner with a cyclone filter to the tool. Ordinary mesh ones will become clogged with gating products within a few seconds of continuous operation of the wall chaser.

The second significant difference between gating with a specialized tool is the presence of a movable frame with wheels, which, when controlled, can significantly reduce the load on the worker’s hands. A single-disc wall chaser attachment for an angle grinder does not fundamentally solve the problem, since the depth of the groove is not limited in any way, and manual removal of the jumper is very labor-intensive and does not ensure good quality of the bottom of the resulting groove. In addition, during the second pass it will not be easy to achieve parallelism of the walls of the groove.

Wall chaser for foam blocks - design features

Manual tools for grooves can be manufactured in the following design options:

• based on a regular grinder. The design provides for the installation of two concrete cutting discs on the device shaft, between which a sleeve of the required length or the required number of washers can be installed. By changing the length of the spacer element, the interval between the cutting discs is adjusted, corresponding to the width of the channel;
• modernized version. It is an improved version of the grinder, on which, in addition to two circles, a casing made of metal sheet is mounted. Dust generated during the gating process is removed through a pipe attached to the metal casing of the aspiration device;

Wall chaser based on a regular grinder

• based on a hand grinder. An improved version of the tool is similar in design to a grinder with an aspiration casing. A distinctive feature of the design is the presence of a mobile platform with wheels, fixed at the bottom of the dust receptacle. This option allows you to easily move the device along the wall without applying significant effort.

An electric wall chaser for a gas block is more efficient than a manual tool due to the following points:

• increased cutting speed;
• smooth surface of the groove walls;
• clear channel geometry;
• increased security;
• aspiration possibilities.

Modern electric scoring tools include:

• protective casing. It prevents the operator from being injured by fragments when rotating the disks;
• aspiration pipe. Provides dust extraction from the work area when connected to a vacuum cleaner;
• work site. Provides smooth movement of the device along the wall and allows you to adjust the depth of the groove;
• working handle. It can be installed in various places of the casing, providing a convenient location for the device when cutting;
• electric drive. Accelerated slitting is provided with a power of 2 kW and a spindle speed of 5500 rpm.

Wall chaser Hitachi CM7MRU The device can be equipped with various electronic equipment that provides the following functions:

• spindle speed adjustment;
• smooth engine start when turned on;
• disk braking when the power is turned off;
• motor blocking when heating;
• reduction of vibration vibrations.

Thanks to additional functions, the price of an industrial wall chaser for aerated concrete increases sharply. When making a wall chaser for an angle grinder with your own hands, there is no need to make additional changes to the electrical part of the device.

Models of wall chasers and how they work

Let's look at several concrete wall chasers to understand the design, operating principle and capabilities.

Interskol PD-125/1400E

Wall chaser from a domestic manufacturer. Two 125 mm discs are capable of making a furrow up to 30 mm deep and up to 30 mm wide. The power of the unit is 1400 W. And the maximum number of revolutions is 9500 per minute. The cost of this tool is about 6,000 rubles.

This wall chaser is very similar to an angle grinder, perhaps it is based on it

Bosch GNF 35 CA

A more productive version of a manual wall chaser for aerated concrete, concrete and brick. 2 cutting discs 150 mm each. The maximum groove width is 39 mm, and the maximum depth is 35 mm. The power of the device is 1400 W. The design involves connecting a vacuum cleaner and removing dust and debris. The cost of such a tool is quite high - 40,000 rubles.

A convenient and practical tool, although a little expensive

Makita SG150

Powerful and productive wall chaser. The cutting depth can reach 45 mm and the width 35 mm. The power is 1800 W, but the number of revolutions is slightly lower than usual - 7800 rpm. You can also connect a vacuum cleaner to it. The device costs about 42,000 rubles.

Functional and powerful option

Application benefits

Wall chipping is a difficult, troublesome task that takes a lot of time and effort. Previously, a variety of devices were used for such work: a chisel and chisel, a hammer drill, an angle grinder. But it is much more convenient and efficient to use a wall chaser or an attachment on an angle grinder for chasing.

So, using a specialized tool has the following advantages:

• The speed of work completion increases significantly, and labor costs are reduced.
• Can be used in conjunction with a construction vacuum cleaner.
• Work safety increases.
• It is easy to adjust the width and depth of the groove.
• The grooves are smooth, without chips or drops.

Selection of nozzles

Basically, the crown and similar attachments are included with the equipment. The price of slotting attachments for a rotary hammer is quite high, but it is also impossible to work without them. If you buy an ordinary attachment, for example, the same crown, it can be inexpensive, but it will not last long. Of course, you can increase the service life of the nozzles, water them, for example, with water to cool them, and take frequent breaks so that they do not overheat.

But it is much more effective to use diamond drill bits, but when choosing them you need to take into account the permissible size and type of hammer drill.

Diamond bit

You also need to choose a drill for concrete. The one that comes with the equipment is generally not for heavy loads. Therefore, you need to choose a set for the job, or choose a high-quality tool that has a certificate. Not quite suitable Chinese drills for an expensive hammer drill. When choosing, you need to pay attention to the spiral - it is considered the best with a more twisted spiral. When choosing a blade, you need to look at what metal is used in it. A hardened tool will crumble and require constant sharpening.

Attachments for hammer drills for wall slitting

It is better to choose the original instrument. Analogs are not helpful in this type of work, you’ll just waste money.

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Wall chaser design and functions

Structurally, this universal tool is most similar to an angle grinder (angle grinder), which in everyday life is called an angle grinder. It is widely believed that this is an angle grinder with two discs. Frankly speaking, it is almost correct. The main difference is that the wall chaser is equipped with a powerful electric motor, usually with the ability to control speed and smooth start. Good models have overheating and overload protection functions. In case of significant loads, they will allow you to save the tool.

The wall chaser uses diamond discs, the distance between them is adjusted to obtain a groove of the required width (usually up to 60 mm). For safety reasons, they are covered with a special casing. In addition, the casing has an outlet for connecting a vacuum cleaner, this allows minimizing the emission of dust during gating. To obtain the required depth, it is equipped with a special adjustable stop (usually up to 80 mm).

With the help of an attachment for an angle grinder, you can completely replace the wall chaser.

Belt Sander Adapter

Using this adapter, you can turn your angle grinder into a compact machine for grinding wood, metal and other materials. The width of the abrasive belt is only 10 mm, which will allow you to comfortably work with the device in hard-to-reach places. On the top side there is a chip discharge for a construction vacuum cleaner. Overall dimensions of the adapter: 255*63 mm. Suitable for M10/M14.

Product photo taken by the buyer:

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Features of choosing a tool

When there is a need to purchase such a tool, it is better to follow simple instructions:

1. Select the required power of the tool. Here it is important to be guided by the amount of work ahead. Low-power wall chasers (up to 1.3 kW) are suitable for solving small household problems. Medium-power tools (1.3 kW - 2 kW) can cope with all household tasks, they heat up much less than their low-power counterparts, and their service life is much longer. It makes sense to buy powerful models over 2 kW only for regular and very large, volumetric work. In addition, the more powerful the tool, the heavier it is. This feature should also be taken into account.
2. Determine such characteristics as the required maximum depth and width of the groove, the possibility of cutting the groove at an angle, the range of regulation of the electric motor speed.
3. Availability of additional options: slip clutch, protection against overheating and overloads, a brush wear control system, the ability to use it in “grinder mode”, the presence of a vibration protection system.

Electric

This is a powerful tool that has two rubber rollers that help the wall chaser move easily along the wall surface being processed. This furrower is equipped with comfortable handles and several cutters that move thanks to a built-in electric motor. Designed for cutting grooves in various hard building materials.

This is a fairly simple construction tool, but its use requires certain skills and experience from the master. Also, when working with power tools, you should remember to wear personal protective equipment, as they create a lot of construction dust and noise.

Homemade wall chaser - the simplest option

Without making major changes to the design of the angle grinder, you can quickly and cost-effectively produce a simple device for grooving by fixing one disk on the shaft for working on concrete.

Procedure for working with the tool:

• Attach a disc to the shaft for working on concrete.
• Make markings on the surface to be treated.
• Make two passes and form a groove of the desired size.

This method has disadvantages:

• it is problematic to ensure size stability;
• it is difficult to maintain the depth of the groove.

Homemade wall chaser If you increase the length of the spindle, you can install a pair of concrete disks on it and form a channel in one cycle. This will save time, but will not solve the problem of dust formation.

Do-it-yourself wall chaser from an angle grinder

A wall chaser is a rather rare tool that not everyone has, but almost every home craftsman has an angle grinder. As already noted, structurally, these tools have a lot in common, so for home use you can easily make a wall chaser from an angle grinder with your own hands.

To begin with, it should be noted that you can use a grinder for slitting without any modifications, but it will be inconvenient, dusty and ineffective. A wall chaser is incomparably more convenient in this regard, but it is expensive. The rework will not require any special material or time costs.

We should start with the main difference - the wall chaser has two discs, and the grinder has one. It is necessary to order or grind yourself a nut with an additional ring to secure the second disk. The first disk will be secured in the usual way, and the second one directly to this nut. It is best to make several nuts of different thicknesses so that you can adjust the width of the groove. It is necessary to pay attention to the length of the shaft; it should be enough to mount two disks. It may be necessary to purchase or manufacture an extended shaft. Read about how to make a casing for connecting a vacuum cleaner here.

The second stage is the manufacture of a groove depth limiter. It is much more convenient and easier to work with him. You should also make a support plane so that the grinder with the attachment can be moved along the groove.

At the last stage, a homemade protective casing is made. By the way, the depth limiter can be combined with a protective casing, which is very convenient and greatly simplifies the entire design. It is necessary to provide an exhaust pipe in the casing for connecting a vacuum cleaner, otherwise it will be almost impossible to work in a closed room due to the high concentration of dust. It is absolutely forbidden to work without a protective casing - the likelihood of injury, even death, is extremely high.

An angle grinder with a power of at least 1500 W is suitable for conversion.

What you will need

Of the basic materials for making homemade products, we will need:

• thick steel washers (you can buy or turn them on a lathe with your own hands);
• extended couplings;
• long bolt (it is advisable to choose one with a high strength class);
• housing bearing;
• sheet metal;
• angle grinder discs designed for working with concrete and stone.

Now let's start making an attachment for the grinder for gating.

Drawings and diagrams

The simplest version of a homemade attachment for an angle grinder is shown in the photo and diagram. The design is a detachable metal cover, mounted on an angle grinder instead of the standard steel half casing.

The dimensions of the protective casing of the attachment are selected based on the power and dimensions of the grinder itself, as well as the diameter of the cutting wheels.

The larger the disc, the more expensive it will cost to operate the grinder. For a home, a disc of 125-150 mm is sufficient; circles of 180-190 mm will require use with a 2 kW motor. Moreover, for the body of the grinder attachment you will have to use metal 3-3.5 mm thick, which noticeably makes the tool heavier.

Stages of work

The first step is to make three washers - using a crown, we cut out three blanks from a sheet of metal. Then the author turns them on a lathe.

Next we need two extended couplings. One of them needs to be shortened. Then the master processes the couplings on a lathe - on one side of each coupling it is necessary to machine a seat for the washer.

After this, in two prepared metal washers, using a step drill, we drill out the central hole to the desired diameter. We put washers on the elongated couplings and scald them.

We clean the weld seams with a grinder. We prepare two ordinary washers, a long bolt and a housing bearing.

All prepared parts will need to be assembled in the following order:

1. We put a regular metal washer on the long bolt.
2. Then install the housing bearing.
3. We put on another washer (regular).
4. We put a thick washer on the bolt with a groove for the disc (which we made earlier).
5. We install the saw blade on concrete.
6. We screw a cut-off elongated coupling with a welded washer onto the bolt.
7. We screw on the second extended coupling with a washer.
8. We install a second concrete saw blade on the grinder.
9. After this, we screw the assembled structure onto the gearbox shaft of the angle grinder.

Making a protective casing

We cut out three parts from sheet metal about 3-4 mm thick: the side walls and the upper part of the protective casing.

We make a fastening clamp. Then we weld it to one of the side walls.

We weld the entire protective casing for the wall chaser - there should be enough space inside to install two disks. It will additionally be necessary to weld a mount to it to install the handle.

At the last stage, all that remains is to assemble all the parts together: we attach the protective casing to the grinder, install the first disk, then install the shaft with the housing bearing, couplings and disk. Everything needs to be secured well.

For details on how to make a homemade wall chaser attachment for an angle grinder, you can watch the video below. This idea was shared by YouTube channel creator Sean Beardon.

Recommendations for gating

Before ditching the wall, you will need to make a marking and cut along it - this is much more convenient, and the result will be of better quality.

Please note: it is best to cut a wall groove from top to bottom.

The depth of the groove for one cable is at least 15 mm. If several cables will be laid in one groove, the depth of the groove must be increased. The main condition is that the cables fit freely into the groove and do not stick out of it.

The width of the groove must be such that a hammer blade or chisel can fit into it.

When slitting walls, a lot of dust is generated, so it is advisable to provide for the possibility of removing it. For this, a construction vacuum cleaner is used, the hose of which is connected to a pipe attached to the protective casing.

Design and features of a wall chaser

In appearance and functionality, the wall chaser resembles a grinder with two discs. This is actually true, because it was the angle grinder that was taken as the basis for this tool. The main difference is that the wall chaser contains two entire disks, and the very high power of the tool allows you to cut out large areas of walls from any material - from brick to concrete - very quickly and with minimal effort. The principle of operation of the device is the same as that of an angle grinder; cutting discs drill out walls to the required depth, but there are significant differences.

Let's look at the kit of the wall chaser:

1. The cutting attachment is located strictly perpendicular to the platform.
2. The platform, or sole, of the wall chaser allows you to rest it on the surface being cut, making the work easier.
3. By adjusting the sole, you can set the required depth of the groove.
4. It is mandatory to equip the tool with a vacuum cleaner.
5. Two cutting discs, when adjusted, you can adjust the desired distance between the grooves.

Since the wall chaser is a professional tool with a narrow focus, it has disadvantages:

• High price. A high-quality power tool is expensive, and only pays off in cases where the master constantly works with the tool. In case of one-time use, there is no point in purchasing it.
• Narrow list of work performed - Cutting tiles or metal will not work due to the presence of two discs instead of one.

It is useful for owners of private houses to know how to choose a circulation pump for a heating system.

Installation of wall chaser

If you have a new nut, all that remains is to assemble a homemade furrow maker as follows:

• mount the first circle on the shaft;
• install the bushing that was made together with the nut;
• place the second cutting disc on top;
• we pass the modernized nut through it and tighten it until it stops; As a result, the fastening element fixes the first disk and prevents the second one from jumping off the shaft.

At the last stage, a protective casing is installed, to the nozzle of which the vacuum cleaner hose is connected.

How to properly operate a manual wall chaser on aerated concrete

After assembly, you should check the functionality of the device on a pre-marked cutting area and learn operating skills. Sequencing:

• Assemble the discs with the bushing on the shaft and tighten them with a nut.
• Set the required groove depth and turn on the aspiration unit.
• Press the power button after connecting to the network.
• Touch the marked surface and groove.

The device should be moved after the discs are immersed to the desired level. It is important to monitor engine heating and periodically stop the engine to cool.

Adjusting the cutting depth

Almost all models of wall chaser attachments for industrial angle grinders use roller guides with an oscillating sole.

It is easy to make such a system with your own hands.

The cutting depth adjustment system looks like a frame, the front edge of which is fixed to the casing using a hinge, and the opposite side is fixed with a bolt-nut fastening.

When the wing or bolt head rotates, the back bar with rollers deflects, which allows you to accurately adjust the depth of the wall chaser nozzle disk.

Wall chaser - what it is and how it works

Structurally, a wall chaser is similar to a circular saw. It has a protective casing, a motor block and two cutting discs located at a distance from each other. This gap can be adjusted, thereby changing the width of the future furrow. The depth is also not fixed and can change due to an increase in the angle of immersion of the disks into the material.

Industrial wall chasers are sometimes completely different from angle grinders

Wall chasers have high power, a convenient handle for creating pressure on the discs during operation, a system for quickly replacing discs and adjusting their width. Some models can be connected to a vacuum cleaner to remove dust and debris.

Method number 3. Hammer

Another common and fairly simple way to make a wall chaser yourself is to use a hammer drill. But instead of the usual drill, you should insert a cutter of the required size into it.

Such a wall chaser is quite simple and does not require much time and effort to manufacture, but at the same time it produces a very low quality of work. The groove is not only curved in height and length, but also of different depths and widths. As a result, you will have to spend much more time on gating and a much larger amount of finishing materials.

What to make a protective dust cover for an angle grinder from

The manufacture of a protective casing involves the use of such types of materials as a plastic canister, aluminum pans, chipboard, plywood, laminate, board, stainless sheets, etc. You can choose any material that is available on the farm. This eliminates the need to buy an attachment, since making it with your own hands is very easy and simple.

The main condition is to ensure sufficient strength of the finished attachment for the grinder. The casing must withstand the impact of small particles of concrete flying out during work. To make the casing, there is no need to resort to the use of auxiliary tools, such as welding, since a nozzle can be quickly made from a plastic canister. An example of such a nozzle is shown in the photo below.

The manufacture of such a device requires a minimum of time. A homemade wall chaser from an angle grinder can be made quickly and easily, using an arsenal of improvised tools. If you use materials made of aluminum or wood, then when working on the manufacture of nozzles you will need self-tapping screws, and when using steel you cannot do without a welding machine. Let's consider the principle of making a wall chaser attachment for an angle grinder with your own hands:

1. For production you will need leftovers from chipboard or fiberboard. In addition, even plywood will do, so we use any sheet material that is available
2. Two side bases are cut out of chipboard according to the appropriate shape. The shapes of these bases depend on the size of the available tool
3. To avoid having to select a shape, it is recommended to first make a drawing on paper and then transfer it to cardboard. Make a template from cardboard, eliminating all the shortcomings
4. Based on the template, make a cover using chipboard
5. Drill a hole of the appropriate diameter on one side of the chipboard base. Use this hole to secure the finished attachment to the power tool.
6. To connect chipboard when making the nozzle, you can use self-tapping screws or special furniture fasteners of appropriate length

The photo below shows the resulting case for the grinder. Such a cover is easy to make, but its drawback is the absence of a hole for connecting a hose. A sleeve of the appropriate diameter and length, which must be mounted in the upper part of the structure, will help eliminate this drawback. A hose from a vacuum cleaner should be connected to the protrusion of the sleeve. This is interesting! When using a vacuum cleaner to suck up debris and concrete chips, it is recommended to use industrial or construction vacuum cleaners, but not household ones. They are not designed for such things, so in the end they can quickly fail.

The process of making a nozzle is not difficult, and the quality of the final device depends more on the ingenuity and imagination of the master. You can make not just a simple case for an angle grinder with your own hands, but also an adjustable one. The principle of manufacturing an adjustable protective casing is that you need to make an additional moving part. Due to this moving part, the required size of the protrusion of the cutting discs on the grinder will be selected.

In a similar way, you can make a nozzle with an adjustable part from chipboard and other materials.

Nozzles for grinders for grooves

The wall-cutting attachment for the grinder should include:

1. Installing a second saw blade.
2. Socket for connecting a vacuum cleaner.
3. A protective cover to protect workers from construction debris that appears during work.
4. A seat for fastening the cyclone of a suction vacuum cleaner.

The basic conditions for the functionality of such an attachment are as follows. The grinder must have a sufficiently powerful drive (at least 1500 W), and the length of the shaft on which the main saw blade is installed must be sufficient for mounting an additional disk, with the help of which the second wall of the groove will be formed.

The diameter of the saw blade itself is also important, on which the safety of work and the depth of the cut groove depend.

The type of bearings on which the shaft rotates is also important: the presence of a second disk increases the unevenness of the load, so conventional ball bearings, the permissible axial force on which is small, will fail very quickly, with a corresponding jamming of the shaft and failure of the equipment. A tool with needle or roller bearings is required.

Finally, when the shaft rotates, the movement of the saw blade should be towards the worker, and not away from him (in the latter case, the total torque will push the grinder away from the groove obtained with its help).

A purchased wall chaser attachment for an angle grinder is prepared for work like this. The protective casing is removed from the gearbox. An additional bushing is mounted on the main shaft, which securely compresses the shaft using a clamp fastening.

The first diamond disk of the required diameter is installed on the shaft - from 150 to 230 mm; larger sizes will lead to an increase in the cantilever load on the bushing. It is not recommended to replace the diamond disc with another one, especially if grooves need to be made in concrete. A support washer is placed on the sleeve (usually, professional nozzles come with several such parts of different thicknesses, which determine the width of the groove).

The vacuum cleaner attachment is secured to the dust extraction cone using regular tape. The grinder gearbox is attached to an extended control handle. It should be noted that any wall chaser attachment for an industrial grinder has a seat for a removable handle, which is unified with a standard handle from the same manufacturer of the main tool. This is a limitation of the design under consideration.

After this, check the alignment of both disks, attach the housing to the lever support, set its stroke, and check the reliability of fixation of all elements of the nozzle at idle, and then during the working stroke.

What recommendations and tips to consider when gating

You can begin the procedure for preparing grooves indoors immediately after making your homemade product. When punching a groove, one important nuance must be taken into account - the work should be carried out in a room where the location of the electrical wiring is previously known. If a live wire is encountered along the path of the tool, the result of such an encounter can be fatal for the master.

It is necessary to carry out gating work with both a conventional wall chaser and an angle grinder, taking into account the following tips and recommendations:

1. Procedures can be carried out in vertical or horizontal directions
2. It is possible to ditch at an angle in extremely rare cases when it is necessary to bypass a decorative element or communications
3. Horizontal grooves must be carried out exclusively at a distance of up to 15 cm from the floor slab
4. Vertical grooves must be located at a minimum distance from doors and windows of 10 cm
5. When carrying out work, it is important to take into account the depth of the groove. It is necessary to select the depth depending on the type of communications that are planned to be laid in the groove, as well as the thickness of the wall itself. If this wall is load-bearing and is external, then the depth of the groove should not be more than 3 cm
6. The width of the groove is also selected depending on the technological task, but it is not recommended to exceed the permissible limit of 2.5-3 cm

After laying communications, the groove should be sealed with cement mortar. The location of the groove should be leveled with the plaster of the wall. It is recommended to carry out gating work at the construction and repair stage before plastering the walls.

It is not at all difficult to make a wall chaser for concrete from an angle grinder, and if you set yourself such a goal, then everyone can achieve it. When drawing a conclusion about the work done, it should be noted that when chipping, you need to take breaks to allow the power tool to cool down. If the cover does not have a connector for connecting a vacuum cleaner, then work must be carried out in a respirator. Glasses must be worn in any case, as various small particles can get into the eye.

Depending on the type of material that is being cut, it is necessary to select the appropriate speed of movement of the tool. If you come across reinforcement in a concrete wall on the way, it is recommended to saw it with an abrasive wheel. It is necessary to use a wall chaser on wood with extreme caution, not forgetting about the backlash.

Sources

• https://kustari-f.ru/dom-s-nulya/pylesos-dlya-shtroboreza-svoimi-rukami.html
• https://obrabotkametalla.info/pilit/vybiraem-nasadku-shtroborez-na-bolgarku-ili-pilu
• https://prorab.guru/insrtrument/kak-sdelat-shtroborez-svoimi-rukami.html
• https://sdelairukami.ru/3-prostyh-idei-kak-sdelat-shtroborez-svoimi-rukami/
• https://bouw.ru/article/shtroborez-nasadka-na-bolgarku
• https://www.asutpp.ru/shtroborez-svoimi-rukami.html
• https://moiinstrumentu.ru/nasadka-na-bolgarku-shtroborez-samostojatelnoe-izgotovlenie.html

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