Stroborez on concrete: varieties and technical characteristics of models
If the design style of the house is not a loft, then for sure the cables and pipes are planned to be hidden in the wall, that is, walled up. Doing this is simple and difficult at the same time. It is difficult if there is no idea how to do it. Simply, if there is an appropriate and high–quality tool available – a concrete cutter. With its help, it will be possible to make grooves, so-called grooves, of the required depth and width in a material of any density. And the beauty of the interior is provided.
With the help of a stroborez, you can make grooves of the required depth and width in a material of any density
What is a stroborez: design and principle of operation
Many communications are laid into the wall during construction or repair work. More often, this method is used to give aesthetics to the room. To close cables or pipes, recesses in the wall are necessary – technical grooves. It is for making grooves in concrete, brick, stone and other dense surfaces that a stroborez is used.
The principle of operation of the stroborez is simple: passing over the surface, the discs make two furrows, the remaining material between them is removed by a perforator
Outwardly, he resembles a Bulgarian. The main difference is that the stroborez has two parallel cutting discs. The principle of operation of the mechanism is simple: passing through the marking of the surface, the discs make two furrows, the material between them is removed using a perforator, a groove is formed.
The video “How the concrete cutter works” will give a more visual idea of how the tool works.
The cutting elements of the device are covered with a protective casing made of durable metal. It ensures safety during the operation of the power tool and partially restrains the spread of dust throughout the room.
The Stroborez has a platform, which the rollers help to move. Almost all models are equipped with a nozzle for attaching a vacuum cleaner to collect particles formed during cutting. The handles have rubberized pads, which contribute to a more durable holding of the mechanism by hands, and also to some extent dampen vibration. Stroborezy work from the mains with a voltage of 220 W, for which the tool is equipped with a cable.
The difference between a stroborez and a grinder is that it has two cutting discs
Stroborez on concrete: the difference of models in power
One of the important technical indicators of stroborez is the power. The speed of rotation of the disks depends on it. Taking into account this criterion, their sizes are selected, and consequently, the parameters of the strobe. It is based on the power indicator that this tool is divided into the following categories:
Useful advice! The stroborez should be selected taking into account the planned amount of work and frequency of use.
For efficient and safe operation, manufacturers supplement the tool with various functions and elements. So, almost every stroborez has:
At home, household strobe cutters with a power of 900-1300 watts are used
- the direction indicator of the spindle movement on the protective casing;
- blocking the accidental start of the engine. It can be a button or a checkbox that prevents an unplanned launch.;
- engine overheating protection;
- shock absorbers to reduce vibration;
- disk depth regulator. Allows you to perform a strobe of the required size;
- dust collector. They produce models of concrete cutters with a vacuum cleaner. Most of the same part has a branch pipe to which the vacuum cleaner can be attached.
The dust collector makes the use of the tool more comfortable. There is no need to adapt any other device, adjust it to the dimensions of the pipe.
Makita Stroborez: the main characteristics of the tool
Makita is a Japanese brand. The main products produced are power tools and garden tools. Taking into account market trends is one of the basic rules of the company’s work. That is why it occupies a leading position in many positions. Makita power tools are known to every professional. They are also bought with pleasure for home use.
The Makita SG-180 stroborez is distinguished by a good assembly and has a power of 1800 watts
The Makita SG-180 stroborez is particularly popular. The tool has a good assembly, has a power of 1800 watts, which allows it to be used not only for short-term work, but also for long-term construction and repair tasks.
Reliable sealing and sealed buttons exclude the possibility of dust penetration into the mechanisms, which significantly extends the service life of the tool. The stroborez has electronic protection, which turns off the engine in case of mechanical problems in the operation of individual elements. There is also overload control: the carbon brushes turn off automatically if the engine overheats.
Despite the high (more than 40 thousand rubles) price, the concrete cutter is not equipped with a vacuum cleaner with the appropriate functions, it must be purchased separately. In the design of the tool there is only a branch pipe.
A decent domestic alternative: stroborez on concrete “Interskol”
Interskol is a domestic company. She is engaged in the manufacture and sale of power tools. It is constantly increasing production and technically improving its products. The absence of import costs, the availability of a full cycle (purchases of elements from other manufacturers are not carried out) significantly affect pricing, making tools available to many consumers.
Thanks to the affordable price, Interskol stroborez are the best-selling
Stroborez “Interskol” PD 125 1400E is the best-selling model. This option should be attributed to household tools, but if necessary, it can also be used to perform a large amount of work. The power is 1400 watts, the maximum number of revolutions is 950 rpm.
The case is made of metal and supplemented with plastic elements. Performance characteristics are standard:
- two cutting discs that can be installed at a distance of 3-29 mm;
- cutting depth – 30 mm;
- the size of the working circle is 125 mm;
- the presence of a soft start, protection against accidental activation and overheating.
A branch pipe is installed as a dust collector. Its diameter (35 mm) corresponds to the standard dimensions of the connecting part of vacuum cleaners, which must be purchased additionally for this model.
Useful advice! The Interskol company also produces vacuum cleaners for stroborezov, so it is better to purchase components from one manufacturer for an electric tool. This will ensure a simple and reliable connection of the elements.
Stroborez “Interskol” PD 125 1400E has a power of 1400 watts and 950 rpm
The price of the Interskol PD 125 1400E stroborez is 6-7 thousand rubles, which makes it affordable for buyers with a low income level.
Bulgarian furrow maker Sparky FK-6526: operational features of the tool
Sparky FK-6526 Stroborez is a Bulgarian–made product. At a fairly affordable price, the tool has excellent technical indicators. The model should be attributed to the professional version, since the power is 2.6 kW, and the diameter of the cutting wheel is 230 mm. The tool penetrates concrete, brick and natural stone with equal ease. Users in social networks note that it is pleasant to work with the device, despite its solid weight – 10.4 kg.
This furrow is the most powerful among Sparky models. It can work continuously for several hours. The gearbox is made of magnesia, which perfectly removes heat. Two handles, one of which can be installed in different positions, significantly mitigate the vibration effect.
Sparky FK-6526 is a furrow cutter with a vacuum cleaner. This allows you to work in a confined space, practically without experiencing the effects of dust and small particles formed during cutting: they are absorbed by the vacuum cleaner as much as possible.
The Sparky FK-6526 stroborez belongs to the professional version and has a power of 2.6 kW
The tool is characterized by reliable protection: the motor has double insulation, a special coating of the armature and the grille prevent dust exposure, the labyrinth protection of the front bearing of the spindle ensures its safety and stable operation for a long time.
Reasonable price and high quality level: stroborez Bosch
The manufacturer of Bosh power tools presents a fairly large number of stroborezov. Among them are both powerful models and standard household options. The products are distinguished by a high level of quality and, as a result, a long service life.
The Bosch GNF 35 SA furrow cutter model is particularly popular. The device occupies an intermediate position between heavy and light options. The weight is 4 kg, the power is 1400 watts, the number of revolutions is 930 rpm. The technical characteristics correspond to semi-professional models, but the tool copes well not only with small work, but also with significant volumes.
It is worth paying attention to the cutting depth: with good power indicators, it is 35 mm. The width of the passage reaches 39 mm.
The Bosch GNF 35 SA strobe cutter has a weight of 4 kg, power – 1400 watts and 9300 rpm
The tool is equipped with the most modern methods of protection: the electronic system prevents overheating of the engine, turns off the device in case of jamming of individual parts. Thorough dust protection and dust collector exclude the penetration of small particles into the working mechanisms and ensure their removal to a certain place.
The price level for this type of instrument is average – 19 thousand rubles.
Useful advice! It is better to buy a diamond disc for a concrete cutter also from the manufacturer Bosh. This will ensure a tight nozzle and good tool performance.
Hilty Stroborez: characteristics of the tool, reviews
Hilty is a German quality product, a durable and professional tool. The line of stroborez is represented by a large number of options. You can find models with a cutting depth of up to 60 mm and a width of up to 55 mm. Hilty’s products are very popular. The company is engaged not only in the assembly of tools, but also in the production of spare parts, consumables. The service of this manufacturer is perfectly organized. In case of a breakdown, there is no problem of finding the necessary parts.
Despite the very high price, the HILTI DC SE 20 model is in demand among professionals
Of particular interest is the HILTI DC SE 20 model. This stroborez – with a vacuum cleaner. The price is very high – 121 thousand rubles, but supporters of impeccable quality are willing to pay such money. Users note a high level of ergonomics, which is provided by the shape of the case and the texture of the external plastic coatings of the grip area.
125 mm discs are used for cutting, they provide a cutting depth of 40 cm, the maximum run-up between the strips is 45 mm, the rotation speed is 7500 rpm, the weight of the device is 6.9 kg.
Attachments for the grinder: a variety of tools for the ear
Classification by purpose. Cutting, stripping and grinding devices. Stroborez nozzle. Bulgarian for a chainsaw.
In fairness, it should be noted that stroborez received not only positive reviews. There are no complaints about the quality of work in general, but many consider the high cost to be payment exclusively for the brand. They also point to insignificant, but still disadvantages: the length of the power cable is 5 m. For some, this size is not enough, given the positioning of the model as a professional one.
Making a stroborez with your own hands from a grinder
The high cost of many furrow models was mentioned in the article more than once. One of the ways to save money in cases when the device is needed for occasional work is the ability to independently make a stroborez from a grinder.
To make a stroborez from a grinder, you will need a welding machine
To do this, you will need the following materials and tools:
- Bulgarian with a capacity of at least 1.2 kW;
- a sheet of metal with a thickness of 2 mm or more;
- iron pipe having an inner diameter of 50 mm;
- wheels with a diameter of 30-40 mm;
- metal gaskets for fixing the distance between disks;
- several pieces of pipes of small diameter, nuts, screws.
In the course of the work, locksmith tools and welding will be required.
It is worth starting mounting the stroborez nozzle on the grinder with the execution of the drawing.
Useful advice! For the creation of a stroborez from a grinder with their own hands, it is worth taking on those who have a sufficient level of welding work.
Then the following actions are performed:
To mount two discs, you need to use washers that match the size of the spindle
To install two discs, use washers that match the size of the spindle.
During the test, it is necessary to pay attention to the presence of backlashes – they are unacceptable. In the process of using such a tool, it can not only disappoint with uncomfortable and inefficient work, but also cause injury.
Discs for concrete cutter: types, sizes, application
Discs for stroborezov must be selected taking into account the dimensions of the tool itself and depending on the required depth of the strobe. The main indicators of the size of the circles are the diameter and size of the landing hole.
Discs for the stroborez are selected taking into account the size of the tool itself
There are several dimensional variants of disks for stroborezov:
- small diameter – 115-300 mm;
- medium – 350-700 mm;
- large – 800-1600 mm .
The landing holes are mainly 22.2 mm in size, less often 25.4 mm. The indicators should correspond to the size of the hairpin on which the circles are put on.
The discs are made of durable steel, diamond teeth are applied to the outer edge by laser welding.
Important! A low-quality disk reduces the efficiency of the stroborez much more than other possible design flaws.
Segment discs for stroborezov have a diamond addition in the form of sectors, between which there are slots for cooling and garbage disposal
The industry produces four types of discs:
The most popular sizes of discs for concrete cutters are 125, 180, 230 mm. Circles of 115 mm are used somewhat less frequently, and discs of 300 mm or more are designed for machine cutting.
Design features and scope of application of manual stroborez
It is not always necessary to smash hard surfaces. Aerated concrete and foam concrete are very popular materials in modern construction. The structures are quite soft, there is no need to use expensive and powerful power tools to work on them. The best stroborez in such situations in terms of expediency is manual.
For crushing aerated concrete and foam concrete, it is enough to use a manual stroborez
The device is inexpensive and easy to use. The tool consists of a metal pipe, an arc welded to it, with which cutting is performed, and two handles. More expensive models have diamond tips on the cutting part.
Manual furrowers are of two types:
- for working on vertical surfaces;
- for splitting horizontal planes.
There are no fundamental differences between these two types. The pipe is bent somewhat differently and the handles are located. Design features contribute to optimal load distribution during tool operation.
The sequence of work with a manual stroborez can be as follows:
Manual stroborezy come in two types: for work in vertical and horizontal planes
Useful advice! If there is a small amount of work to be done and the purchase is not justified, a manual stroborez can be made independently.
Stroborez rental as an opportunity to save money without compromising quality
Stroborez is an expensive device, and it does not always make sense to purchase it. If you need to move an outlet or make repairs in one room, it’s easier to use someone else’s tool. When buying your own, there is a possibility to give the device oblivion after a few hours of work.
You can borrow a furrow maker from friends or acquaintances, but it’s better to rent it. The arguments in favor of renting are very strong:
Renting a stroborez with a 125 mm disc will cost about 400 rubles per day
The rent depends on the power of the cutter and, as a consequence, on the size of the cutting elements, that is, discs. 125 mm stroborez rental will cost from 400 rubles per day. Delivery may be included in the payment, or it may be offered as an additional service.
The 230 mm stroborez will have a rental price 25-30% higher, it will amount to 600-800 rubles per day.
Important! When renting or renting out a power tool, it should be remembered that no receipt, not certified by the relevant authority, is not a document and has no legal force.
Rating of concrete cutters, prices of the best models
Before buying, everyone wonders which concrete cutter is better. The answer can be found in the product descriptions, comments to it, and obtained in the course of direct communication with users. It is also advisable to get acquainted with the information about the rating of the best models, which is based on opinions after practical use of tools. The places of stroborezov were distributed as follows.
The Metabo MFE 6527 model is recognized as the best concrete cutter
1. Metabo MFE 6527 is the best concrete cutter. The price is 50 thousand rubles. This only drawback is noted by a number of users. The majority’s assessment is “Bomb!” A powerful professional machine in which the width and depth of the cut are easily adjusted. Perfect assembly and reliable protection systems allow the tool to perform its tasks without problems for a long time.
2. Bosch GNF 35 CA. The cost is 19 thousand rubles. Detailed information about the tool is already available in the materials of the article (see “Reasonable price and high operational level: Bosch stroborez”). Complementing the characteristics of the model, it is worth noting the presence of a good ventilation system, which significantly extends the service life of individual elements and the unit as a whole. Significant disadvantages are not highlighted by users.
3. Bosch GNF 20 CA. The price is 30 thousand rubles. The tool does not have much power, therefore, deep and wide grooves are beyond its power. It is widely used in the manufacture of grooves for laying electrical cable. It moves comfortably on 4 wheels, consumes little electricity, is light in weight, durable. Of the disadvantages, the high cost should be noted.
The third place in the rating of strobe cutters was taken by the Bosch GNF 20 CA tool
4. Makita SG 1250. The price is 25 thousand rubles. The model is professional, has good protection, consisting of a metal casing, double insulation, an electronic system for monitoring the serviceability of elements and the amount of load. The stroborez is equipped with two handles, one of which can change the angle of inclination. As a disadvantage, users indicate the presence of only one roller that promotes the movement of the case.
5. Caliber Master SHTBE-2600/230M. The price is 10 thousand rubles. Quite a heavy unit. It has a magnesium body, moves with the help of rollers. Smooth start, protection from overheating, dust – all this is present. The width of the slot is adjusted by means of washers and can be 9-40 mm. Among the disadvantages, cases of poor-quality assembly can be noted.
The high level of competition forces manufacturers to constantly improve the performance of tools. Therefore, it should be stated that there are no frankly bad models among those presented on the modern market. You just need to choose the right option that corresponds to the intended method of operation.