The grinder, which is also called an angle grinder (LBM), is a universal device. With this tool, you can perform various types of processing, such as cutting, grinding, polishing, chasing, etc. The angle grinder is suitable for working with stone, metal, and wood blanks. The effectiveness of the device depends on the correct selection of attachments for the grinder. In order not to be mistaken when choosing the right product, you need to study its types.
- 1 What are the attachments for the grinder: the main characteristics
- 2 Cutting devices for the grinder: their features
- 3 Grinder attachments for rough processing of various materials
- 4 Grinder attachments for grinding: gentle treatment
- 5 Grinder attachments for grinding wood: features
- 6 Metal brushes for the grinder for cleaning rust and processing wood
- 7 Wall chaser attachment for grinder: recommendations for choosing
- 8 Grinder attachment for chainsaw: recommendations for choosing a tool
- 9 Rating of Bulgarians 2018: the best models in terms of cost and quality
- 10 Safety when working with discs for grinders
What are the attachments for the grinder: the main characteristics
In the modern market, you can find many varieties of circles for angle grinders. The sheer number of modifications can confuse an inexperienced person. Each type of nozzle has its own operational characteristics that determine the design of the product. Differentiation of such instruments occurs according to the following criteria:
- material of manufacture;
Today you can find many grinder circles, which are used to process metal, wood or stone parts. The purpose of the product is determined by its marking. It should be noted that some types of attachments are universal. For example, a stone circle is often used to cut ceramic tiles, concrete and brick products.
However, most discs are only suitable for highly specialized work. The metal attachments should never be used when cutting wood logs or planks. And circles that are used for roughing steel are not usually used for stainless steel.
Helpful information! Why is a grinder called a grinder? The answer to this question is very simple: in the USSR, the first samples of this device appeared in the 70s.They were delivered from Bulgaria, so this name stuck to the device.
Angle grinders are used for cutting and grinding materials. If desired, you can choose a circle for processing glass, plastic or marble slabs. All tools for angle grinders are divided into types according to the processing class, as well as the degree of rigidity.
Classification of nozzles on angle grinders depending on the type of work
The attachments, which are used for cutting various materials, can be used for a variety of operations. Each fixture has unique properties and design. Depending on the purpose, the attachments are:
- cleaning (grinding);
- for making seams;
Cut-off. Such circles are used when it is necessary to cut or cut the material (rough). The cut-off attachment for angle grinders is in the form of a disk equipped with a cutting edge. In some cases, these wheels are equipped with a solid cutting part, and sometimes with a segmented one.
Sawing. From the name it is clear that such products are used for cutting various wood parts. The peculiarity of these attachments is that their cutting part has teeth. Such discs are widely used for cutting wood, drywall, chipboard and fiberboard. The saw blade can be used to cut straight and laminated boards. It is worth noting that the teeth of the grinder saw blades may differ in shape, which affects their operational purpose.
Roughing. Such attachments are used for grinding metal, concrete and wood blanks. Using such a disc, you can easily remove the old layer of paint or varnish from the surface. Grinding wheels are also used to remove priming. If necessary, these products are used for grinding.
Stripping. The stripping bits are included in the roughing group. They are circles, the edges of which contain metal wire. Scraper discs are used to remove rust from metal surfaces, as well as to remove other types of stubborn dirt. Most often they are used to prepare pipes for painting.
One of the most common types of wiper attachments is the flap disc. This product is used for processing workpieces made of metal, wood and plastic. A petal circle is a disc, along the edges of which small pieces of sandpaper are fixed. Depending on the nature of the work, the grain size of the working components is selected. On the modern market, you can find varieties of a petal disc:
- having a mandrel.
A grinding (grinding) nozzle for a grinder with a mandrel is used when it is necessary to ensure high accuracy of work. Many of the products in this group are used for deburring after cutting metal and plastic pipes.
Helpful information! The grinding wheels are used to finish the welded seams.
The seam attachments are used to organize stitches in stone, concrete and asphalt. The seam circles are specially designed to do this job.
Polishing. These products are used for surface polishing. Most often they are used after grinding. This group includes the following types of discs: felt, felt, and also an emery wheel.Velcro is used to fix them on the tool, so they are very easy to change.
Grinder attachments: classification by material
For the manufacture of nozzles, which are used while working with angle grinders, various materials are used. All of them are highly efficient and are also manufactured with safety in mind. For example, many metal wheels have special slots filled with copper to prevent overheating of the disc during operation. Consider what materials you can buy circles for angle grinders.
Diamond wheel... These products include two components. The first is a steel base, and the second is diamond sputtering. Such discs are used for processing metal blanks, as well as products made of stone, concrete, ceramics and glass. The diamond wheel for the grinder is highly efficient and precise. It makes the thinnest cut of the workpiece.
"Turtle". Such a nozzle also has a diamond coating, but the base in this case is represented by flexible rubber, which is characterized by high strength. The disc received this name due to the corrugated structure. Diamond-plated wheels are fixed to the base with Velcro.
Carbide wheel. For the manufacture of such devices, metals are used, the alloy of which forms a strong connection. The edges of such circles contain solder, which includes high-carbon molybdenum steels. And also impurities of chromium and nickel are included in the solder, which increases the resistance of the product to unfavorable operational factors. Such discs are used for cutting metal (less often wood).
Abrasive. Such a circle is made of latex paper, the main characteristics of which are density and moisture resistance. Such devices for angle grinders include a special reinforcing mesh in their structure. An abrasive layer is applied to such a base. Wheels of this type used for grinding may have a polymer backing.
Stripping. This disc includes a metal wire with which paint, varnish and heavy dirt are removed from the surface to be treated. The diameter of such a wire is selected depending on the nature of the work.
Note! Separately, it should be said that the nozzles used for angle grinders include support plates. Such products are made of polymeric materials or durable rubber. They are used in combination with some grinding and polishing tools.
Cutting devices for the grinder: their features
Cutting a wide variety of materials is the most popular operation for which angle grinders are used. A very important point necessary for this task is the correct selection of the nozzle. The choice is made depending on what material will be processed. For example, cutting wheels are used for metal cutting, for the production of which a crystalline mineral is used - corundum.
All circles for the grinder are color-coded depending on their purpose. For example, blue discs are used to cut metal objects. It is important to remember that cutting wheels are recommended to be installed on grinders with speed control.
Cut-off products for metal processing are also differentiated in size. The main geometric data of such nozzles include:
- outside diameter;
Cutting discs are available for three types of angle grinders: small, medium and large. The diameter of these products ranges from 115 to 230 mm.Circles 125 mm are very popular. Less common are products with a diameter of 150 and 80 mm.
The thickness of such devices ranges from 1 to 3.2 mm. Accordingly, larger circles are made with greater thickness in order to have sufficient rigidity. And for small nozzles, this indicator can be completely different.
The cut-off bits that are used for working with stone and concrete are made from a completely different material - silicon carbide. Such an abrasive ensures the effectiveness of angle grinders when cutting white brick, as well as slate. The most common type of grinder is considered to be angle grinder 125 (with speed control). This is due to the fact that it is the most functional and lightweight.
Silicon carbide is not suitable for processing red bricks. In this case, it is customary to use diamond-coated wheels applied to a metal base.
Varieties of wood discs for angle grinders: sawing, cutting, roughing, grinding and polishing. Rules for using angle grinders for wood.
Such products have a green marking, which allows you to accurately select them for the grinder. Photos of silicon carbide products, as well as other types of discs, make it possible to visually assess their differences.
Note! Different discs are used to cut wood. It can be a chain circle, along the edges of which a chain from a chainsaw is installed, or a metal product with teeth (circular).
Experts recommend taking into account the technical characteristics of wood when choosing a nozzle for a grinder. The chain saw is most suitable for working with wood products. This material has a high viscosity index and is therefore the most difficult to process. It is recommended that you study the safety rules and take the necessary precautions before starting work.
Grinding nozzles on the grinder: varieties
To eliminate paint and varnish materials and rust, special nozzles are used - peeling. This group includes several types of discs that differ in the material of manufacture and characteristics. In order to remove a layer of paint from the pipe, metal brushes are used. The grinder is often used for such work. The braces can be in the form of a bowl or disk with turns of metal wire along the edges.
In order to select the required processing intensity, it is necessary to select the required wire diameter. In this case, a certain pattern can be traced. For a coarser effect, nozzles with a wire of a larger diameter are used. Accordingly, a thinner wire is used for gentle processing.
The design of the nozzles allows for two options for placing the wire. In the first case, it is collected in bunches of various thicknesses, and in the second, it is located freely. Grinder attachments for removing paint from metal products are very popular. It is worth noting that, in addition to corbels, there are other devices that belong to the peeling group, such as:
- diamond roughing bits;
- abrasive grinding wheels.
They have a lot in common. However, the location of the abrasive material in this case is different: it is located around the perimeter of the disc. Thus, processing is done somewhat differently. It is important to remember that diamond-coated roughing bits are not commonly used for metal workpieces.They are used to remove layers of stone, concrete and other materials with similar characteristics.
In turn, abrasive sharpening nozzles, which also belong to the category of roughing, are used when working with metal products. With these tools, you can roughly cut the workpiece. There are many uses for such products. Their design is excellent for grinding metal. Grinder attachments of this type are used for processing welded seams, as well as for sharpening knives... The thickness of these products may vary, but it should not be less than 5 mm.
Helpful information! The versatility of angle grinders influenced its widespread use. The grinder is used in almost all areas of construction. This tool is used for cutting, grinding, polishing and other processing options for a wide variety of materials.
Grinding attachments for grinder: rough and gentle processing
Grinding is one of the most popular processes for which angle grinders are used. With the help of such a tool and a set of nozzles, you can carry out a rough and gentle processing of metal, stone and wood surfaces. As a rule, sanding precedes the polishing of the workpieces. The attachments used in this case may consist of sandpaper or felt material.
The flap disc for the grinder is widely used. This tool consists of a circle (base), along the edges of which sandpaper petals are fixed. They can have different grain sizes. This indicator is selected depending on the nature of the work.
The use of a flap wheel allows for rough processing of workpieces from different materials. It can also be used for finishing grinding. For finishing, fine-grained petals are used.
Today you can find another type of grinder grinding discs. Some abrasive products are fixed to the backing with a special velcro. To use such a circle, you need to screw it onto the tool spindle.
Polishing is the softest wood treatment. For polishing work that refers to the finishing stage of turning a particular material, special felt discs are used. And also on the tool market you can find circles, the working part of which consists of dense fabric. Grinder attachments for polishing are very popular when working with wood, as their use allows you to bring the surface of the material to the smoothest possible state.
Grinder attachments for rough processing of various materials
For rough grinding of various surfaces, special discs are used, which have their own characteristics. Rough processing of wood is aimed at removing knots, as well as a layer of bark. Using these attachments for metal workpieces removes paint and rust.
Today, there are several types of grinder attachments for grinding. For example, roughing discs are very popular. Among them there are products that are used for processing stone and concrete (diamond) and abrasive wheels used for metal parts.
Roughs are often used to remove old paint layers. In some cases, they are used to remove varnish. Another common version of the grinder attachment is the brush. The design features of these elements are reflected in their effectiveness. The disc, which has a metal wire, is able to quickly remove paint from a metal surface.
Note! In the building materials market, you can find end wheels for angle grinders. Similar products are used when it is necessary to align the cutting line of the board. Aligning the ends with an oblique cut is done quite often, so this tool can be called irreplaceable.
Separately, it should be said about the nozzles for car polishing. For rough processing of paintwork (LCP) machines use special woolen discs. The material in such a circle can be located freely or twist into dense threads.
Also, for rough processing of cars, abrasive discs are used, which are distinguished by high functionality and a longer service life.
Today you can find other grinders for polishing cars. For example, felt and felt discs are very popular. For the finishing of the car paintwork, vulcanite nozzles are used, the main material of which is rubber.
Grinder attachments for grinding: gentle treatment
For rough grinding of certain materials, first of all, petal nozzles are used. They, as already mentioned above, consist of petals located close to each other and having an abrasive coating (sandpaper).
The grain size of the petal tips can be different. It is selected depending on the nature of the work. It is worth noting that the design of this grinding attachment allows it to serve for quite a long time, which is an undoubted advantage. The individual petals are shaped like a trapezoid.
The second type of nozzles, which are classified as soft, are grinding wheels. They are made from sandpaper, felt or thick fabrics. Discs of this type are fixed with Velcro on a plate base. They are usually sold as a set.
A set is used for wood processing, which includes 5 discs. They all duplicate each other. If one circle is worn out, it will not be difficult to replace it with a new nozzle. Similar products are used for finishing wood surfaces. There are other nozzles for angle grinders that are used for sanding wood. For example, wood cutters for a grinder are very popular.
Felt circles, as well as products that include dense fabric in their design, are used for wood processing. It is important to remember that to carry out grinding with the help of such wheels, you must use a special wax paste. It is applied to the surface of the part before starting work.
Another type of attachments that are used for finishing wooden surfaces are cup products. They are made up of nylon fibers, which together form a fairly dense coating.
Which discs for grinding concrete and metal are used most often
For grinding concrete, two types of nozzles are used on angle grinders: diamond and abrasive. It is important to remember that its effectiveness depends on the diameter of the circle. The larger the disk, the more load it can carry.
Note! Discs of this type are actively used when installing concrete screed. Its grinding can significantly improve the strength characteristics. At home, a grinder equipped with a special attachment is enough to perform such an operation.
Grinder attachments for grinding concrete can be purchased on the market, in a hardware store, or you can place an order online. To date, there are two methods of grinding this material:
In the first case, the operation is performed using special disks. Dry grinding of concrete is highly effective, but it also has some disadvantages. The main disadvantage is abundant dust formation. Before starting dry sanding, it is necessary to prime the surface to increase its strength.
Wet (or wet) grinding of concrete differs from the previous method in that it involves the use of water, and this avoids the formation of dust. This type of grinding is considered to be of higher quality, but when using a grinder, it is not possible.
It is important to remember that grinding and polishing with a grinder are two completely different processes. When polishing, the surface of the material is processed to make it smooth. In turn, sanding is necessary to level the surface.
Grinding of metal products is carried out using special discs. They include the following materials: silicon carbide, aluminum oxide, etc. And also in the composition of such circles there are special fiberglass meshes.
For grinding metal, various brushes are used, which consist of a wire located on a metal base. In addition, today you can purchase other, more technologically advanced grinder attachments. The band file is a direct confirmation of this. It is used for polishing, sanding and rust removal. It is worth noting that the grinder must have a smooth speed control, which is a prerequisite for using such a nozzle.
Grinding discs for metal are used for the following operations: sharpening tools, finishing welded seams, as well as cleaning the surface from rust and paint. When choosing nozzles for metal, you must first of all be guided by the amount of work you have to perform.
Grinder attachments for grinding wood: features
Flap and round nozzles are used for sanding wood surfaces. In the first case, sandpaper is fixed around the perimeter of the disc. In turn, round discs provide for fastening emery wheels with Velcro. Both options for woodworking attachments are quite convenient. In some cases, such tools are equipped with a special adapter that allows you to use drive on a drill.
Helpful information! Grinder attachments for grinding wood can have different grain sizes. Her choice depends on the type of work. Coarse-grained products are used for rough, roughing, and fine-grained products for finishing.
Which tool is more suitable for sanding wood? This operation can be performed using a angle grinder or a special grinder. The choice of tool depends on the purpose for which the surface will be processed. If sanding is necessary in order to prepare the wood for painting, then you can use a special disc on the angle grinder.
The best way to varnish wood is to grind it. There are several types of this equipment. Longitudinal devices are so named because of the direction of movement of the emery belt. In turn, in the vibrational version, circles are used on which an abrasive material is applied.
Metal brushes for the grinder for cleaning rust and processing wood
Many people believe that only steel products can be cleaned with the brush attachments that are used for angle grinders. However, such tools are also used when it is necessary to process wooden parts.For wood, use brass wire attachments.
Brushes have several advantages over abrasive discs. They are distinguished by their long service life and lower cost. They are used when it is necessary to remove rust or old paint from the workpiece. Separately, it should be said that brushes are indispensable tools when processing hard-to-reach places.
Brass nozzles on angle grinders for wood processing allow you to remove paint and varnish material as efficiently as possible. Brushes are used not only for cleaning surfaces. This tool is also used when it is necessary to artificially age wood. This process is called brushing.
Brushing is used to create unique designer interior items. Using angle grinders, you can process small items. On an industrial scale, such a tool is not used. The grinder brushing attachment allows you to highlight wood elements such as rings and various irregularities.
Metal brushes are able to quickly and effectively remove old paint from steel pipes, remove rust and deposits. When choosing such nozzles, it is imperative to pay attention to their rigidity, since the operational efficiency of the brushes depends on this indicator.
Wall chaser attachment for grinder: recommendations for choosing
To use such a nozzle, you must have an angle grinder, which provides for the possibility of installing a second saw blade. And it is also necessary that it has an outlet for connecting a vacuum cleaner. When chipping, a fairly large amount of construction waste is generated. To protect the master during work, a cover for the angle grinder is used.
Note! Slitting attachments are not suitable for all grinders. The device must be powerful enough to provide the desired result. The minimum angle grinder in this case should be at least 1500 W.
Before buying discs, you should pay attention to the shaft length. This element must necessarily have sufficient length necessary to install an additional circle. The second disc is needed to form the opposite groove wall.
The dimensions of the disc itself also play an important role. This is because the diameter of the wheel affects the depth of cut and work efficiency. Safety is also an important point, depending on the dimensions of the grinder attachment for chasing.
This design affects the nature of the load: it becomes more uneven. Therefore, when choosing a tool, it is necessary to pay attention to what type of bearings are. Conventional ball parts fail much faster. Experts recommend using angle grinders with roller bearings for chipping. Needle products are also good for this job.
During work, the circles for chasing should act in one direction - towards the master. Otherwise, the tool will push off the working surface.
Before starting work, it is necessary to attach the grinder attachment for the vacuum cleaner to the angle grinder. A tube is fixed to it, which is required to remove dust and larger particles. During work, it is necessary to hold the tool firmly to prevent the discs from jumping off.
Grinder attachment for chainsaw: recommendations for choosing a tool
If necessary, the grinder attachment can be installed on the chainsaw. It is not difficult to purchase such a product in any store that specializes in the sale of gas powered tools.Its installation is described in detail in the instructions, so problems should not arise.
Some chainsaws are simple in design, so it is much easier to install a grinder on them. For example, the Stihl chainsaw is very popular. The grinder attachment for the saw may fit some models, the compatibility with which is not indicated in the technical documentation of the tool. In order to choose the right nozzle, experts recommend comparing the diameter of the saw crankshaft with the same indicator of the grinder's hole.
The variety of attachments on the market today makes it easy to change the purpose and performance of the device. However, not everyone knows about the possibility of converting a chainsaw into a cutting and grinding tool. Most people are familiar with the opposite. – with a saw attachment on the grinder.
Note! There is one important point to consider when buying such a saw attachment. The selection of the grinder is carried out for a specific model of the chainsaw.
The nozzle pulley, which is the driving one, can be of different types. Before buying, you need to evaluate the compatibility of the main chainring of the chainsaw and the attachment pulley. If the tool does not fit in size, then it is not possible to install it instead of the clutch.
Varieties of pulleys nozzles grinders on a chainsaw
It should be noted right away that there is no official classification of nozzle pulleys of this type. Consider the most common pulley options. The first of them belongs to the Stihl 180 chainsaw. It has some design features. Such a pulley looks like a closed bowl. Such an element is not collapsible and is used in the following modifications of the Stihl saw: MS 180, MS 250 and MS 170.
The grinder attachment for the Stihl 180 chainsaw can be installed on the saw drive sprocket without removing the clutch. In this case, there is no cup at the pulley. There are several variants of this design, which are classified depending on the sprocket pitch. The main advantage of this type of attachments is that they are very easy to mount. And also it is worth noting their acceptable cost.
Professional-type chainsaws are distinguished by the fact that they have a clutch, the sprocket of which can be replaced if necessary. For such devices, special pulleys are used. The cost of this tool is more, however, its quality characteristics will be better.
The grinder attachment for Stihl, Partner, Taiga chainsaws, etc. is used when it is necessary to perform an even cut in wood or metal. During work, you must be careful, and before starting it, you must definitely check the correct installation of this nozzle.
Rating of Bulgarians 2018: the best models in terms of cost and quality
Today there is a huge variety of grinders, which differ in the manufacturer's firm, technical characteristics and cost. Some models are very popular, as consumers note their advantages over standard devices. Before purchasing this tool, it is recommended to pay attention to the rating of angle grinders, which contains the best representatives who have certain advantages.
Interskul UShM-125 / 1100E... This model of the Interskul brand belongs to the budget segment. Its distinctive feature is the highest power among inexpensive grinders. Many users note another advantage of this device - soft start.
The cost of this tool is only 3900 rubles. Of the minuses, only the large mass of the product can be noted.It is used for discs with a diameter of 125 mm. For circles 230 mm there is a heavier model from the company Interskul - UShM 230.
Makita GA5030... Such a grinder costs about 4,000 rubles, so it is also referred to the budget segment. The main advantage of this device is the minimum amount of vibration during its operation, which affects the convenience of work.
The Makita GA5030 angle grinder has a rather low power (only 720 W). However, this is sufficient for working with metal pipes, ceramic tiles and wood. The weight of the device makes it easy to handle. The weight of this model is 1.4 kg.
Bosch GWS 20-230 H... A grinder from a well-known German manufacturer, which is notable for its high quality assembly and components. The cost of the model is approximately 7200 rubles. Such a device belongs to the middle price segment.
Helpful information! Many users note that the Bosch angle grinder of this series is one of the best options for home use. It is also worth noting that an additional handle and 8 different circles are included with the device itself.
Hitachi G18SS. An effective device that has a very affordable price (6000 rubles). The advantage of this model is that it has a large margin of endurance and is protected against overheating. The Hitachi grinder is a great option for home use.
Safety when working with discs for grinders
The use of any construction tool has its own nuances. Before using the grinder, it is necessary to study in detail the safety precautions, since its improper operation can lead to serious injury.
The safety of the angle grinder is primarily provided by a protective casing. In the event of a disc break, this element protects the master from fragments. In no case is it recommended to remove the cover from the grinder.
The direction of rotation of the disc is also important. Situations should not be allowed in which the movement of the circle will be opposite from the master. This can lead to the fact that the grinder breaks out of the hands. The direction of movement of the disc should always be in the direction of the person working with the angle grinder.
For home use, it is recommended to purchase angle grinders with speed control. This is because different materials require different wheel speeds. One of the most important rules: it is strictly forbidden to use discs that do not correspond to one or another material.
And finally, the last thing to remember is that you cannot use angle grinders for other purposes. The passport of the device clearly indicates what this or that grinder can be used for, as well as the limits of its functionality. Subject to all of the above rules, working with the grinder will be as safe as possible, and the tool itself will last more than one year.
The angle grinder is a very common tool that can be purchased on the market, in a store, or ordered online. This device has many options for use precisely due to the possibility of changing nozzles. Before purchasing a grinder, you need to take into account what it will be used for and study the range of discs. Choosing the right nozzle will allow you to do the job quickly and efficiently, and most importantly - safely.