Various attachments for the grinder make this tool universal, capable of coping with a wide variety of tasks. Attachments for angle grinders are made of various sizes from different materials, depending on what the tool will work with.
Features and purpose
When using angle grinders regularly, many people buy additional attachments for them. These devices are used to expand the functionality of the tool. They will allow you to cut or sand products made from different materials. Suitable for wood, iron, glass, stone and even plastic. These nozzles differ in shape, size and type of application.
Important! Accessories for angle grinders have their own color, by which their purpose can be determined. For example, blue is used for metal.
What types of attachments are there?
There are several parameters by which tools for grinders are classified.
By type of work
Such attachments can be used to perform different types of work. Depending on the operations performed, the following disks can be distinguished:
- saws;
- cutting;
- strippers;
- polishing;
- for seams;
- peeling.
The above types of products can be purchased for any model of grinder.
Classification by material
Nozzles for grinders are made from various materials. The most commonly used devices are:
- Diamond circle. Made from steel and diamond coating. Suitable for cutting iron.
- Carbide disc. Made from various metal alloys. There is steel solder on the edges. Cuts wood and iron.
- Abrasive. It is created from special paper and reinforcing mesh. These wheels are used for grinding.
Important! There are also support plates, which are also classified as attachments. They are used to grind and polish surfaces.
Tips for choosing
Most attachments for a tool such as an angle grinder are universal. Their main uses are cutting and polishing. If the instrument is used professionally, then it is necessary that the disks for it be appropriate.
Before purchasing a large or small grinder, you need to install the type of disk that matches the task at hand. Size is of no small importance, and along with it, the power of the motor in the design of the angle grinder is also taken into account.
The most popular are 115 and 230 millimeters . There are situations when a worker uses a small disk size for a pneumatic tool. Such hand-held units allow for increased precision, which is essential when performing a number of tasks.
Comfort is not the last thing when choosing, and it largely depends on weight and size.
If you do not plan to use power tools for large construction projects, then you should select an angle grinder and discs of smaller diameter.
This type of unit is more convenient to work with, and it fits better in the hand; vibration is not transmitted as strongly, so you can hold it for a longer time.
When choosing a drive, you shouldn't always choose the cheap option, since you may end up paying twice in the future. Diamond ones are more expensive, but they also allow you to make a straight, clean cut even after several uses. They also have a much longer shelf life than abrasive ones. The cost may seem prohibitive to some, but it can save money if you look at it in the long term.
The main distinguishing feature of a high-quality disc is the abrasive material that is applied.
Sanding discs began to be produced in the 70s of the last century, over time they have become more advanced and have a longer service life. They are used not only for metal, but also for wood. When it comes to wood finishing, nothing works better than abrasive attachments. They have carbide particles on them that work on all types of wood. These highly sharp, tapered teeth provide excellent surface layer removal while remaining easy to use and controllable to control the angle of the grinder.
There are products on sale that look very similar to a chainsaw. They are made of steel, the teeth are well sharpened. At the time of use, maximum caution is required from the person. When purchasing a disk, it is very important that the diameter on the outside is no larger than the established maximum value allowed by the manufacturer of the grinder. As an example, we can take a tool whose threshold for the permissible diameter value is 125 mm.
The user should not install a nozzle with a diameter of 230 mm because:
- the speed of movement of the cutting edge is exceeded, as a result of which it is destroyed and can simply fly apart, causing injury to the user;
- a tool with small dimensions simply does not have the power to work with such a device;
- even if a disk of a larger diameter is placed on the equipment, the protection will need to be removed, and this is a direct violation of the rules dictated by safety requirements.
The seat diameter on modern units is 22.2 mm.
If the user has an outdated model, then to use modern drives you will need to purchase an adapter or adapter.
Any abrasive wheel has a special marking that simplifies the selection process for the user.
She points to:
- diameter;
- thickness;
- seat size;
- maximum speed;
- materials that can be processed using such a nozzle.
Roughing
Peel-type grinder attachments are often used at home to remove traces of rust or varnish and paint residues. There are two main types of such devices:
- peeling;
- sharpening
These discs differ in the location of the abrasive. For peeling products it is located around the entire perimeter. This allows for better surface treatment.
Sanding attachments
If you need to do rough processing, it is better to buy blade-type angle grinder attachments. They consist of petals with an abrasive coating. However, it may have different grain sizes. It must be selected depending on the work being carried out.
Another type of attachment is grinding wheels. They are made from thick fabrics, felt and sandpaper. Such discs are fixed on a plate base using Velcro. Suitable for working with metal and wood.
Adapter - renovator
A useful device for most angle grinder owners. With its help, an ordinary grinder expands its functionality into a renovator. This universal tool is useful for cleaning various surfaces, cutting grooves for grooves, cutting tiles, etc. The adapter comes with a set of blades of different lengths and a sanding disc.
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What discs are used for grinding concrete and metal?
Two types of wheels can be used for processing concrete:
- abrasive;
- diamond
Moreover, if you need to grind large concrete surfaces, it is better to use discs with a diameter of 130 mm or more. They cope better with heavy loads.
Silicon discs are suitable for grinding iron products. They can be equipped with additional metal brushes.
Important! To remove rust, it is better to use a band file.
For sanding wood
There are several types of wheels suitable for sanding wood.
Rough stripping
People who decide to do rough cleaning of wood can use several types of attachments.
Disc plane
Owners of private houses and summer cottages periodically have to process logs. To avoid doing this with your hands, you can use a special plane disk. It is recommended to use a thicker and larger wheel so that you can work with large logs.
Roughing disc
Stripping attachments are used to remove paintwork. Their surface is covered with crumbs and small spikes, with the help of which the coating is peeled off.
Important! Such circles should only be used when working with wood without nails, rods or other metal elements.
Milling
There are two types of sander attachments that are used when routing.
Discs
There are different types of wood processing blades. However, the only major difference between them is the size of the abrasive grains. To work with thick logs, it is better to use coarse-grained attachments.
Milling cutters
There are cutters made specifically for working with wood. Most often, such devices are used for the following purposes:
- cutting grooves according to the drawing;
- trimming edges;
- bowl cutting;
- selection of grooves.
Important! When using cutters, do not remove the casing.
Sanding wood
Quite often you have to sand wood. This is done with various attachments.
Cord brushes
They are used for rough processing of wood to get rid of the roughness of the product. They are equipped with stiff brushes that can be used to remove traces of varnish and paint.
End discs
Used for processing and leveling wooden sections. Ideal for people who often have to work with corner cuts. Not suitable for grinding the front part of products.
Petalaceae
These are one of the most common types of discs used when working with wood. Some are made from coarse abrasive and are suitable for primary processing. Fine-grained wheels are more often used for grinding.
Grinding
These are universal attachments for an angle grinder that are suitable for grinding. This device consists of a metal base. Discs for sanding and scraping wood are attached to it.
Wood polishing
To polish wood, use wheels, discs and brushes. They are made from sandpaper or felt. They allow you to make the wooden surface perfectly smooth.
Wood surface treatment
The attachments on the grinder give the machine many functional purposes.
One of them is working with wooden surfaces. Even the use of tools in the garden for cutting down trees is relevant today, especially necessary in the spring and autumn seasons. Sanding a wooden surface, for example, a floor or timber used for building structures, is an extreme necessity, so as not to get injured from protruding layers of wood.
A grinding attachment for an angle grinder for processing such surfaces is usually available in retail sales, and it is not difficult to select it according to the size of the mounting diameter. Typically a grinding wheel is used for this.
But to get the job done right:
- It is necessary to carefully study the condition of the surface being treated. To do this, it is recommended to mark the area to be treated with chalk or to pre-defect the surface in order to eliminate additional inspection during the work and perform the task purposefully. This method will significantly reduce time costs.
- You should pay attention to the presence of fungus on the surface, as well as cracks and chips. Before using the tool directly, these defects should be eliminated.
- The presence of black spots is also alarming, so they must first be treated with a special compound. The pores will open and the front of the work will be visible.
There are some nuances that make it impossible to carry out the work efficiently, for example, the wheels from the grinding wheel still remain, and a separate refinement of the surfaces using sandpaper is required.
With all of the above, there is no need to neglect simple safety rules:
- The circle should be free of chips and cracks, and when touched with a metal tool, it should make a ringing sound.
- The date of use of the circle must be indicated on the circle itself.
- It is unacceptable to work without a protective screen.
- The employee must wear overalls, closed shoes and a hat.
- Before direct use, you should carefully inspect the cable for exposed wires.
- The attachment for the grinder must be firmly attached to the technical device to prevent it from flying out.
- Before performing the task, you need to test the operation of the mechanism by turning it on at idle.
Safety precautions
There are several recommendations that will help protect yourself from injuries while working with an angle grinder:
- It is necessary to process materials only with a protective casing;
- all work is carried out wearing protective glasses;
- Do not increase the speed too much when cutting metal;
- It is prohibited to use discs that are not suitable for the material being processed.
A grinder is an indispensable tool used for sawing or grinding materials. Before using such a tool, you need to choose a suitable attachment for it.
How to properly install a disc on an angle grinder
Circles are a consumable item that must be replaced periodically. To do this, you should know how to correctly place a disc on an angle grinder. The circle is attached to the tool spindle by means of a clamping flange. To choose the right open-end wrench, you need to know what thread is on the grinder. This value is M14.
To replace the disk, you must turn off the power to the tool. The grinder spindle is secured to the front of the body using a button. When it is pressed, the stopper enters the mounting hole of the circle installed in the gearbox, thanks to which the spindle is fixed in a stationary position.
The pins of a special open-end wrench must be inserted into the holes on the pressure flange. The key is turned to the left while holding the latch until the nut moves out of place, after which it is unscrewed and removed by hand.
To replace the disk, you need to turn off the power to the grinder and unscrew the pressure flange
Helpful advice! The pressure flange is unscrewed in the direction opposite to the direction of rotation of the tool shaft.
If it is necessary to clean the internal cavity of the angle grinder casing, the lower flange is unscrewed. Contaminants are removed using a steel brush. The lower flange is put in place so that the grooves on the flange and spindle are aligned. A sealing gasket is placed on top, which will subsequently ensure easy unscrewing of the clamping nut. The new disk is installed so that the product markings face outward.
A gasket is placed on the circle. The flange is manually screwed onto the shaft and clamped with an open-end wrench no more than ¼ turn so as not to deform the disk.
Important! It is not allowed to remove the protective casing from the angle grinder, since this device will prevent the occurrence of traumatic situations in the event of a breakage of the wheel during its operation.
The pins of the special key must be inserted into the holes on the pressure flange and turned to the left
