How to properly cut an angle grinder sheet metal
How to cut straight sheet metal angle grinder
Hello! There is a need for even cutting of sheet metal with a thickness of 3 mm. This must be done with maximum precision. The farm has an angle grinder with a 115-125 disc for cleaning welded seams. I tried to walk her along the drawn mowing line, it turned out crooked.
Tell us how to cut the metal correctly to get an even cut?
If you are going to cut sheets en masse, it is better to purchase a manual circular for metal, or a guillotine. If you need to do a one-time job, then it’s very simple. Take the corner, press it with two clamps, or grab it by welding. you get an emphasis for the circle of an angle grinder. Next, you can make an incision of 0.5-1 mm and cut the metal evenly along it, for example, with a gas cutter. The result is a smooth and smooth cut.
Since your angle grinder is small, it will be more convenient for you to use a steel strip, because even a small corner, thirty, will cling to the protective cover, and cutting without a cover is strictly prohibited by safety rules. If you use cheap Luga-Abrasive wheels with a thickness of 1 mm, then you will need about 2-3 circles per meter of metal. They are quickly cut down and generate a lot of dust. The main thing is not to lean heavily on the metal, so as not to spoil the instrument.!
Add comment Cancel reply
To post a comment, you need to log in.
- Welding transformer PATRIOT 200AC 102,00 ₽
- Battery Charger GreenWorks G24C ₽2,490.00
- Voltage stabilizer PRORAB DVR 1000 2597.22 ₽
- Resant stabilizer ASN-2000 N / 1-Ts Lux 3610,00 ₽
- Voltage stabilizer Stavr SN-2000 3920,00 ₽
- Welding machine BauMaster AW-79161 3990,00 ₽
- Hitachi AB17 Battery Charger Rp 4,076.87
How to properly cut a metal corner angle grinder
You cannot start cutting metal with an angle grinder without obtaining the appropriate knowledge and some skills. The most important danger is the possibility of the cutting wheel jamming in the cutting zone and its subsequent destruction. The angle grinder must be firmly gripped with both hands when working. You need to lead the cut strictly from yourself. The depth of the cut is determined by the disc diameter.
Cutting the metal corner has some nuances:
- A large corner (more than 60 mm) is more convenient to cut together with a partner. In a workshop, the workpiece is clamped in a locksmith’s vice or fixed with clamps on a fixed base. The corner is laid on the surface of the support structure (table, box, etc.) so that the cut edge hangs down, and its other part lies completely on the support surface. At the same time, the assistant should press the workpiece and slightly pull it away from himself to prevent biting the disc. Cutting begins from the edge, moving towards the edge.
- Cutting a corner with smaller dimensions (up to 60 mm) is allowed to be carried out without the help of strangers. The material to be cut is laid out with support on both shelves (edge up). The part to be separated must be suspended and not touching the ground or floor. The remaining part is pressed down with the left foot (if there is no possibility of rigid fixation), in order to hold the angle grinder with both hands. Cutting should be started from the edge, gradually going down and deeper into the corner platforms.
If the correct metal cutting technology is observed, the fragment to be separated will fall down under its own weight, thereby increasing the width of the cut zone. The chance of disc seizure is minimized.
How to properly and safely cut metal angle grinder?
An angle grinder is considered extremely traumatic equipment, so it is important to know in advance how to properly cut the metal of an angle grinder to avoid injury and do the job well. It is necessary to monitor compliance with safety measures during work and use personal protective equipment: use a respirator, wear protective gloves or mittens, goggles, etc.
The cutting equipment must be used strictly for its intended purpose, all work is carried out using special wheels for metal. It is strongly not recommended to remove the protective cover. How to work properly with an angle grinder look at
Methods for cutting stainless steel
Stainless steel refers to alloyed steels that are difficult to process. This metal can be cut by 2 methods:
- thermal (metal melts under the influence of high temperatures);
- mechanical (cutting is carried out using a cutting tool by removing a layer of metal).
Thermal methods include:
- Oxygen cutting (gas-arc cutting). The metal melts under the influence of an electric arc. Oxygen supplied to the cutting zone contributes to the combustion of the metal and the removal of slags from the working area.
- EDM cutting. The cutting process consists in the destruction of the surface of the workpiece under the influence of an electric discharge.
- Waterjet cutting. The metal is separated by a thin jet of abrasive mixture supplied under ultra-high pressure.
- Laser cutting. Processing is carried out with a thin laser beam.
- Plasma cutting. A plasma jet acts as a cutting tool.
Mechanical machining of stainless steel is carried out using the following tools:
- Metal scissors. They cope with sheets with a thickness of no more than 0.5-1 mm.
- A circular saw. Cutting is carried out using an edged abrasive wheel. This method can be used to cut thick parts.
- Angle grinder. When cutting metal, an angle grinder uses special thin stainless steel discs with a diameter of 125 mm. Non-specialized tooling can subsequently cause corrosive phenomena in the metal.
According to the rules for cutting, the part must be securely fixed or rest against something, otherwise the workpiece may be pulled to the side and the cut will be broken. It will be necessary to additionally process the trimmed edge if you cut it without observing the technology.
How to cut a pipe angle grinder
For cutting pipes with an angle grinder, it is recommended to use cutting wheels no more than 1 mm thick, otherwise the cut is harder to cut, and there will also be too many sparks and escaping incandescent particles.
The technology of the work is as follows:
- The pipe is fixed in a vice or fixed in another way. In this case, the part to be cut must hang. It is not allowed to place the workpiece between two supports and cut in the middle, since the cutting blade will jam (due to the sagging of the pipe).
- Using a strip of paper and masking tape, markings are applied. The ends of the tape should converge as accurately as possible. Home craftsmen recommend lowering the pipe into the liquid at the required angle, and then mark the cutting line along the border between dry and wet.
- The cut should be made from the top of the pipe, gradually lowering the angle grinder down. The cutting disc must run along the very edge of the glued strip.
A large diameter pipe is cut a little differently, since the working part of the circle does not allow it to be done at once. The wall is cut sector by sector, and the pipe is turned in the right direction.
How to cut aluminum with an angle grinder
A different type of disc is used to cut aluminum with an angle grinder, since it is a soft metal and the cutting tool gets stuck in it. There are special cutting discs for aluminum and copper.
You should not try to make a cut in one pass, because work hardens form on the teeth of the cutting tool and it is clamped in the material. The cut is made carefully, without cutting through the metal to the end. It is necessary to go through the same place several times and avoid distortions. The process is quite slow, and the quality of the cut will be low. When cutting thick workpieces, experts recommend dropping kerosene into the cutting zone. It is better to work with aluminum with a hand router, which allows you to perform true shape cutting and making holes. Or you can do this:
Cast iron cutting angle grinder
Cast iron is a fairly fragile metal, but very strong, therefore, it is recommended to use diamond-coated discs for cutting it. You can cut cast iron and simple metal discs, but they are much less durable. The angle grinder can only cut this material in a straight line with the mowing line. Any attempt to make a curved cut can lead to jamming of the cutting wheel. As a result, under heavy loads, the abrasive element collapses and its parts flying out at high speed can severely injure people nearby. But it is better to cut the cast iron with a saw, as in
It is possible to use an angle grinder for cutting cast iron only when using a respirator (a lot of dust is generated), protective plastic glasses and gloves. For this work, cutting equipment on a bakelite bunch is more suitable. Ceramic bonded discs have a much lower margin of safety.
The metal angle grinder is the best solution. This versatile tool allows you to use it not only for cutting, but also for polishing, cleaning, grinding metal and many other operations.
Like all other tools, the angle grinder is divided into classes, into professional and household tools, as well as by their design features.
This is perhaps the most widely used tool outside of the drill. Many people work with an angle grinder, but not everyone is wondering about the correctness of the manipulations performed, from the point of view of personal safety and quality of work. In this article, we want to devote you to the basic subtleties of working with this tool and consider in detail the following questions:
Let’s go in order.
HOW TO CORRECTLY CUT AN Angle Grinder?
Before you get started, you need to prepare your angle grinder. We mean the choice of rig (disc). The following points should be considered here:
- Disc diameter. Remember, the smaller the diameter of the disc, the more revolutions (higher rotational speed) it can withstand, and vice versa.
- The choice of disc depends, first of all, on the material with which you plan to work and the design features of your instrument.
- Pay close attention to the legend and markings on the disc. Having carefully studied them, you will understand whether the selected equipment is suitable for the proposed work.
Also, always follow safety precautions and wear special equipment such as gloves, goggles, long sleeved robes and closed shoes.
First of all, clear the workplace of unnecessary items. Securely fix the workpiece to be processed, having previously marked it on it, if necessary. Getting Started.
Always hold the tool firmly and confidently with both hands. Take a steady body position. You need to stand so that sparks, in the process of work, do not fly on clothes, and even more so in the face.
Always remember about such a thing as kickback. This is the most dangerous thing that can happen when working with a grinder. It can occur if the disc is strongly jammed in the workpiece. In such a situation, the angle grinder will be thrown back sharply. Monitor the process to avoid this.
Also remember that the power cord of the angle grinder must be isolated from sparks during operation. If you need to move the instrument to a different work surface, be sure to turn it off first, then unplug the power cord. The same should be done in the event of a power outage. As soon as there is no electricity, turn off the tool and then unplug it from the mains. If this is not done, then when power is restored, the angle grinder will start to work in a chaotic mode again and can cause irreparable harm to your health, others or damage objects around.
The most frequently asked question that arises among novice craftsmen is the following: How to cut an angle grinder correctly: for yourself or away from yourself? Many do not betray this special significance, but in vain.
Manufacturers of angle grinders advise their consumers the following: The tool should be used in such a way that the stroke (direction) of the cut coincides with the direction of rotation of the disc.
Experienced craftsmen have a clear answer to this question: You need to make a cut from yourself. This is for your safety. In case the angle grinder is pulled out of your hands, the tool will be thrown in the opposite direction from you. If you cut in the direction of yourself, when the above situation occurs, the tool will fly to your feet. We will not describe the consequences. You can imagine them yourself.
If you are cutting parts or workpieces that have thick metal, cut them in an extremely straight line.
When working on a part such as a corner or when cutting a profile or profile tube, which are usually quite long, cut the overhanging edge. Otherwise, if you make a cut in the place between the supports, an outcome such as a jamming of the disc due to the deflection of the workpiece is possible.
If you are cutting a corrugated sheet (sheet metal sheeting), metal siding (metal siding) or metal tiles, take care of the presence of special anti-corrosion substances that need to be lubricated in order to avoid sudden corrosion.
In case you are cutting paving slabs or paving stones, get a special diamond cut disc.
Reinforced concrete, concrete and other similar materials must be processed with special discs for stone.
If you need to cut a gas or oxygen cylinder, be very careful as it may explode due to the remaining trace of gas or condensation. It is better not to carry out such work at home.
If you need to cut glass or, for example, a mirror. the most trivial ceramic disc will suit you.
When working with material such as wave slate, do not apply extra effort to avoid chipping and unevenness.
It is possible to process rubber with an angle grinder, but not necessary. If you understand what we mean.
Grooves, springs, rebar or channel can also be cut with an angle grinder.
Need to cut drywall or polycarbonate? Do this very carefully to avoid chipping and breaking the material. You will need neatness if you need to cut glass mosaics. For example, if you are cutting off excess parts from a pasted arch, cover the cut and the part to be cut with masking tape or construction tape. This minimizes the possibility of cracks and prevents debris from scattering on the floor after cutting.
HOW TO CUT TILES WITHOUT CHIPS Angle Grinder?
As we said above, the range of applications for the angle grinder is incredibly wide. She also acts as an excellent helper when cutting material such as tiles or tiles. But, a logical question arises regarding the equipment: How is it better to work on tiles? To carry out this type of work, you need to get a grinding diamond wheel and a tile holder. It is hardly possible to work without dust with this material, so take care of a protective mask in advance.
Let’s take a closer look at the process itself and methods of cutting tiles or tiles without chips.
- The easiest way is to cut straight. Fix the tile well so that its edge remains suspended along the mowing line of the cut and get to work.
- The next method to be noted is cutting at a 45 angle. This method is more complicated than the first one. First, we cut the ceramic tiles with a straight cut. Then, when cutting the disc, the angle grinder is guided at an angle and remove the unnecessary part. Next, we grind the cut with sandpaper.
HOW TO CORRECTLY CUT ANGLE GRINDER METAL?
To begin with, let’s talk about the dangers that await the master when cutting metal with an angle grinder, namely:
- Fragments of the disk, in the event of its fracture;
- Powerful stream of sparks and small abrasive particles;
- In some cases, the inability to hold the instrument in the hands.
Now, a few tips for working with metal.
If you have no experience in this type of work, then, for a start, it is worth practicing on unnecessary details. If in the process of work, you decide to change the cutting plane when the disc is inside the workpiece, this will immediately lead to its breakage.
To increase the life of discs, especially expensive ones, they need to be cooled. This is done with water. It is necessary to water the cutting area. It is advisable that you work with a partner who will carry out all these additional manipulations.
Also, to increase the service life of the equipment, and the tool itself, breaks of 5-7 minutes every 20-30 minutes of work will help. This rule is especially important when working with household angle grinders. This way you will protect your instrument from overheating.
You should also remember that you should not put pressure on the angle grinder during operation, otherwise it may fail due to overheating, or the disc will jam. If you feel that the performance is too slow, try changing the drive.
CAN the angle grinder CUT WOOD?
Many seasoned craftsmen claim that cutting wood with an angle grinder is to be. Our opinion: indeed, it is possible to cut wood with an angle grinder, but it is extremely unsafe, inconvenient, slow and of poor quality. And that’s why.
Firstly, during operation, the disc of an angle grinder gets very hot and becomes incredibly fragile. The slightest misalignment may result in a ruptured disc. You can find out about the consequences of this situation from the pictures on the Internet.
Secondly, when working with a disc equipped with victorious solders, these solders can easily end up under the skin. And this is a direct way to the hospital, because you cannot remove them on your own, plus everything is fraught with infection.
Thirdly, when using a disc on wood, the teeth can grab more wood than you expect, and this, in turn, will lead to that. that the angle grinder will simply rip out of your hands. It is very dangerous!
We hope we have explained in an accessible way why you cannot use an angle grinder when working on wood and you will not even try.
But, as practice shows, many craftsmen at home resort to using an angle grinder in the process of processing materials such as chipboard, chipboard, laminate, OSB board or plywood. This should be cut as carefully as possible and in compliance with all safety measures. Otherwise, you can not only spoil the material, but also be injured.
HOW TO EXACTLY CUT AN Angle Grinder?
Cutting Thick Metal Sheet With Angle Grinder
In order not to spoil the workpiece and make a high-quality smooth cut of the angle grinder, you will need to perform a number of preparatory measures, which we will discuss in this part of the article.
- Markup. All ingenious is simple. first we mark, then we cut. Take pipe cutting as an example. First, use a chalk or marker to apply the size, then use paper or duct tape. The main thing is that the edge is even. We take the selected auxiliary material and carefully wrap it around the pipe. Its border will be a clear and accurate marking of the cut. When performing work, it is important to remember that under no circumstances should you change the position of the tool stroke. Otherwise, the disc may jam or break. Also, do not put additional pressure on the tool, as this will immediately be reflected in the curvature of the cut and spoil your workpiece.
- It is very important to choose the right thickness of the circle. There is a simple axiom at work: the thicker the material with which you work, the thicker the disc should be. When choosing tooling, consult an expert in the field and pay attention to the marking of the grinding wheel applied to his shirt.
HOW TO SAFELY CUT AN Angle Grinder?
The work of an angle grinder is a matter that requires constant attention and control, because the consequences of accidents are irreversible. Therefore, before starting work, take care of the following:
- Take care of the protection of all parts of the body: face, hands, eyes.
- Clean the workspace from excess, especially the place where the sparks fly out, remove all combustible materials away.
- The workpiece to be machined must always be securely clamped.
- Be sure to install the protective cover.
- Hold the tool firmly while working.
- At the end of the work, wait until the disc rotation has stopped completely, place the angle grinder with the disc upwards so as not to damage it, unplug the tool from the mains and make sure that there is no smoke or signs of fire.
WHAT CANNOT BE CUT with an angle grinder? BASIC ERRORS
The list below shows the materials you can work with your angle grinder. It is forbidden to work with materials that are not on the list.
- The angle grinder is perfect for cutting materials such as cast iron, metal, steel, copper, aluminum, iron, titanium. You can cut stainless steel or galvanized.
- With the appropriate attachments, you can also work with plastics, ceramics, glass, plexiglass and porcelain.
- Stone, granite, marble, asphalt, concrete or walls made of it, brick, porcelain stoneware can also be processed by an angle grinder.
an angle grinder is useful if you need to cut water pipes or old heating.
One of the main factors that guarantee the quality of work is the right tooling. If you have any questions or want to purchase discs, please contact our managers at the specified phone numbers. They will recommend suitable discs and advise you on all questions of interest.
How to cut a pipe straight angle grinder at 45 and 90 degrees | Cutting methods
When dealing with construction or plumbing tasks, you need to know how to cut the pipe straight from an angle grinder. In the article, we will consider quick and easy ways of how to properly cut an angle grinder pipe so that the result is perfect.
angle grinder for brick, concrete, concrete ring
Cutting of brick and concrete is done with special cutters for stone. The brick is cut easily, the main thing is to fix it correctly before cutting and not use your foot as a clamp.
Concrete slab or concrete can be cut almost without problems. But the concrete ring creates some problems. Not the concrete itself, but the steel reinforcement embedded in it. The circle in the angle grinder is under heavy load during the concrete, and the reinforcement harms it.
To shorten the ring by a certain amount, cut from the outside of the ring. Then the cut part is broken with a sledgehammer, and the protruding reinforcement is cut in a circle for metal.
Pipe cutting at an angle of 45 and 90 degrees
If you need to cut the pipe at an angle of 45 degrees, which is more often required when laying water, heating pipes. Steel, cast iron pipes that are cylindrical in shape are often used. In installation work, rectangular or shaped pipes are used. However, the angle grinder must be properly cut to allow easy connection later. Therefore, you should carefully mark the pipe.
How to use a Cutting Disc with an Angle Grinder
Some craftsmen try to mark the place of the cut using a tape measure, but we warn you that the result is likely to be negative. And for a positive result, consider the following professional recommendation.
Take a sheet of paper or cardboard, preferably A4, fold it diagonally and wrap it around the pipe where you plan to cut it evenly. The edges of the paper must be in perfect alignment with each other. And the side of the paper that is closer to the end of the pipe was perpendicular to the axis. Then mark the cut line in a circle.
If you need to cut exactly at an angle of 90 degrees, then solve the problem quickly using paper or masking tape again. Wrap around the pipe so the ends match. Make even lines and saw off.
How to cut a profile pipe straight?
Masters advise using a square when cutting a profile pipe. To do this, apply the square in turn to the sides, and turn and mark with smooth movements. After action, fix the pipe and cut. Prepare yourself a template that will come in handy in the future and save time. It is better to produce an angle grinder, so the cut will be smoother.
How to cut a cast iron pipe?
When working with a cast iron pipe, keep in mind that it is a brittle material. Therefore, we will point out a way with which it will be possible to cut such a metal without damage.
Before starting work, make notes for the cut, just like with steel pipes. Place a piece of wood for support. Run an angle grinder around the circumference of the pipe making small cuts. Then take the chisels, insert into the groove and hit hard with a hammer. Note that bakelite-based cutting discs are used to cut cast iron pipes.
If you don’t have an angle grinder at hand to cut a cast-iron sewer pipe or other purposes, use a metal hacksaw, chisels or special pipe cutters.
How to cut a gas pipe?
Cutting a gas pipe is dangerous, so it is best to entrust it to professionals. But if you are confident in the strength, then to cut the metal, take an angle grinder, welding, hacksaw, gas welding.
- Shut off the gas riser before work. Then release the rest of the gas from the pipe. To do this, set fire to the gas in the burners and wait for it to go out.
- After the steps taken, cut. Using the welding method, the metal base burns out when exposed to high temperature. The result is fast and effective. But remember that cutting or rooting gas pipes again requires experience.
How To Cut An Angle Grinder Correctly Various Materials
The angle grinder, which everyone calls the angle grinder, can not only grind but also cut various materials with special wheels. But in order to skillfully use these opportunities, you need to have knowledge and experience.
Many people own an angle grinder, but most people don’t know how to use it correctly and how to hold it. This leads not only to marriage at work, but also to serious injuries. an angle grinder is a rather dangerous power tool.
The circle must be installed with the pattern up and clamped with a special nut.
The man with the leading right hand holds the angle grinder by the handle with his right hand. In this case, the circle should be located on the left side of the machine, and the protective cover should cover it from above. The rotation is such that sparks fly to the worker during cutting. If the angle grinder jams the wheel and the angle grinder breaks out of your hands, then it will not go to the cutter, but in the opposite direction.
The left hand holds the machine by the handle, which is screwed into the threaded hole on the body. There are several of them for special cases of use, but the correct position of the handle is only the upper one.
This position of the machine requires the use of protective equipment. To protect the eyes and the open part of the face, these are goggles, and even better. a protective mask. To protect exposed parts of the body from sparks and small fragments during the cutting process, you must wear a suit made of dense material.
Decking, metal and sheet metal
The angle grinder was originally designed for cutting and grinding metal, so cutting any metal is her element. For sheet metal of different thicknesses, we select a circle of a certain thickness, select the rotation speed and cut along the drawn lines. On the approach to the extreme point of the cut, you need to drown the angle grinder a little so that the cut border does not have a bevel.
Using this technology, you can cut different geometric shapes from a sheet of metal. To cut a square or rectangle, you need to draw dimensions on the sheet. We set the circle angle grinder beyond the border of the square and make a cut in the metal. When all four sides are cut, cut out the corners.
Cutting corrugated board does not cause difficulties. Start the cut at any edge or in the middle if required. The only remark is that when cutting thin metal, a ragged cut is formed on the back side. To avoid injury and for cleanliness of work, it is better to grind this cut.
How to cut without dust
Any dust is harmful to human health. During repair or construction, it settles everywhere. To remove it then takes a long time, and it is rather difficult. But the main thing is that it cannot be removed from the body. In order to work without dust, you need to make a small and inexpensive attachment for an angle grinder.
This device is very similar to a medical drip. In an ordinary plastic bottle with a volume of 1.5. 2.0 liters, we start a tube from a dropper. We leave only the regulator on it. In the protective casing of the angle grinder, we make a hole in the diameter of this tube. Insert another similar tube into this hole.
We connect these two tubes, pour water into the bottle and open its supply to the circle. After the first rough cut, we adjust the water supply, which should extinguish all dust released during cutting.
With such a device, it is possible to process concrete, brick and many other materials that, when destroyed, emit a large amount of dust.
How to cut an angle grinder straight
From my own experience, I will say that the main reason for getting injured is not following basic safety precautions. I am not a literalist and I do not always and do not fully comply with the safety requirements at a construction site, but this does not apply to working with an angle grinder, gloves and goggles. I must wear it. In addition, I never remove the protective cover. Also, follow these simple rules:
Most of the troubles when working with an angle grinder have to do with a damaged or defective disc. There is often a chip on the disc. a small notch that, during operation, will destroy the disc, and it can fly into small fragments at great speed. At the same time, the tool jerks sharply, which is also unpleasant.
Broken disc on angle grinder
The second disk defect is a fracture. Visually, it may not be noticeable, but when you turn it on, it will begin to chatter, the angle grinder will vibrate noticeably. This is a clear sign of a broken disk, and work should be stopped immediately and replaced with a disk. Factory defects are extremely rare, at least among large and reliable manufacturers. Therefore, you should not save on disks by buying cheap Chinese counterparts, or products from unknown manufacturers.
Precautions are simple. carefully inspect the disc before work, then turn on the angle grinder and at idle “listen” to the tool, if there are any new vibrations, “bumpiness” or something unusual.
Using the disk for its intended purpose will save you a lot of trouble. You cannot cut boards or plywood with a disc for metal or concrete, wood is much softer than metal, therefore friction causes smoke from glue or resin, which can be harmful to health.
Can’t cut wood angle grinder!
over, the angle grinder is generally not designed for working with wood, even if you install a toothed disc from the circular. fortunately, the seat of the angle grinder is identical to a circular saw. But the fact is that the toothed disc clings to wood more firmly, and it is very difficult to hold the tool in your hands, and even experienced operators do not risk cutting wood.
Metal sharpening angle grinder with special disc
Also, many builders often use an abrasive disc for sharpening metal, grinding welds, etc. It is not bad if you use special sharpening discs for this purpose. Otherwise, sharpening disturbs the balance of the disc, thinning it at the cutting edge (up to fiberglass. the base of the disc). Later, when cutting metal, such a disc easily flies in all directions.
angle grinder with stone disc
In this case, it is very easy to avoid injuries. read carefully when buying a disc what it is intended for. The information is usually printed on the disc itself. And in no case do not use an angle grinder for working with wood, it is not suitable for this.!
The main traumatic situations when working with an angle grinder:
There may be a stone under the sheet!
Simple rules for preparing the tool before work, and the correct completion. These are small things, but they are important:
That’s all, work with an angle grinder, do not be afraid of it, but do it carefully, in compliance with safety rules.
I welcome everyone. The angle grinder has become one of the most demanded tools these days. Few of those who like to craft something with their own hands do not have at least a small angle grinder for 115 disc. Today I want to tell you about a method of cutting a sheet metal angle grinder, which I myself have been using for a long time. This method makes it quite easy and accurate to cut sheet metal.
This method is quite simple and reliable. Previously, I marked the line of the future cut with a coated lace, but no matter how carefully I try, the cut still turned out to be not perfect. after all, we are people, not robots. Then I realized that in order to get good and even, you need to cut along the guide. I began to use profile pipes or a corner for this, it became easier and more convenient. But the best kind of guide (in my opinion) is the same sheet metal, namely its any even factory side.
This is how I cut sheet metal. I mark with a tape measure the desired size and put the guiding side of the sheet on these marks, holding it with clamps with the bottom sheet. And in this way it will be quite easy to cut. no extra stress and constant control of the disc of the angle grinder, it goes along the desired trajectory itself.
Today I had to cut quite a lot. not only across the sheet, but also lengthwise, using the same technology.
Then we clean the sharp burrs of the small angle grinder with 125 grinding disc.
It turns out a fairly high-quality cut, which will never work if you do not use a disc guide for an angle grinder.
The photo shows that by connecting the cut on the sheet and the profile pipe, there is no uneven torn edge, so I recommend this method, who did not know.
I almost forgot. I used a large angle grinder with 230 disc, 2 mm thick. You also need to put a wooden block or a professional pipe under the cut sheet for the entire length a little to the side of the cut, so that the disc does not clamp. Do not use narrow sheet metal guides. they may be crooked or play a little (twist) from the pressure of the disc angle grinder, preferably at least 30 cm wide.
In this issue, I would like to discuss with you one question, how to work correctly with an angle grinder and what is not recommended when working with this tool.
Many people argue about how the disc should rotate on an angle grinder, away from you or towards you.?
Just the other day, I saw how the cutting disc scattered into small pieces and it would have been not at all in the quality of the disc, but in a gross violation of the cutting rules.
A man cut sheet material with a thickness of about 1 mm.
And the mistake was that you had to cut in this position on yourself, that is, pull the angle grinder towards you, and not away from yourself.
As a result, the disc hit a sharp edge and was torn into small pieces.
Most importantly, no one was hurt, very lucky. It would seem an understandable thing, but not everyone knows about it. If the metal were much thicker, then perhaps this would not have happened.
How to choose the right discs
There are symbols on the circle that will help you choose the right circle.
When choosing discs, you need to know what they will be used for, pay attention to their diameter and thickness. These are the main parameters of the disks.
The smallest diameter is 125 mm, and the maximum, of the generally available ones, is 250 millimeters. In professional angle grinders, discs can be larger in diameter.
The thickness of the cut part and the maximum depth of cut depend on the diameter of the disc.
If you plan to cut only metal, you need to purchase a cutting disc. It has the smallest thickness from 1 to 1.2 mm, for industrial angle grinders. up to 2.5 mm. This will ease the physical exertion of the angle grinder and the worker. The cut is neat.
If you plan a curly thread on thin metal, then it is done with a disc of the smallest diameter or an old, almost worn out disc.
Many people think that a diamond blade should be used to cut metal. This is a completely wrong opinion. The diamond disc will simply get bogged down in the metal and will be unsuitable for further work.
Experts say that the angle grinder does not have any particular difficulties when cutting metal, even for beginners.
How to choose the right angle grinder
the angle grinder should fit comfortably in your hand.
The correct choice and quality of the angle grinder itself determines the quality of work and the safety of the worker.
When choosing a machine, one should be guided by its main parameters: power and diameter of the cutting abrasive wheel. Its weight is also of no small importance, since it is often necessary to work “on weight”, and dimensions so that you can perform work in inconvenient and hard-to-reach places.
Most buyers at the sight of a powerful angle grinder are somewhat intimidated by the fact that it is more difficult to cope with it than with a low-power one. This is a misconception. Low-power angle grinders are more likely to jam discs, i.e. they are physically unable to “pull out” the disk under heavy loads. The situation of how the disk and the machine itself will behave after reducing the load is unpredictable. The angle grinder will most likely tear out of your hands. The consequence of this will be a break in the disc, damage to the machine and injury to the cutter. Therefore, it is better for novice craftsmen to purchase an angle grinder for a 125 mm disc with a power of 800-1000 W and a spindle speed of 10,000 rpm. This power is enough to cut iron.
For cutting metal, there are machines for a 115 mm disc powered by batteries, but, as practice shows, with their high cost in solving household problems, they do not justify themselves.
The handles of the angle grinder must be rubber or made of a material that will damp vibrations from the machine.
But none of the technical characteristics reflects the convenience and safety in work. The angle grinder should lie comfortably and securely in your hand so that when working with metal you focus on it, and not on how to hold the tool in your hands. It is desirable that the grips are rubber or vibration-damping material with indentations for the fingers.
Low-power angle grinders usually do not have an additional handle.
If any inconvenience was found during the selection, you should look for an angle grinder of a different model.
How to cut metal angle grinder correctly. Practical tips and tricks
If long pipes are resting on supports, the overhanging edge must be cut. If you cut them in the middle, then due to its own weight, the metal will bend and clamp the disc.
If you do not have the skills to handle an angle grinder, then before starting work, you should learn to cut on unnecessary parts.
The cut-off wheel only accepts radial forces. Attempting to change the cutting plane while the blade is inside a metal piece will break it.
The heel of the disc (the near lower part of the circle) cuts metal more efficiently.
In order for the angle grinder and discs to serve for a long time, every 5-7 minutes of work you need to take a break for 20-30 minutes. This rule is especially important for low-power angle grinders who are afraid of overheating.
To increase the service life of the discs, especially expensive ones, and to cool the metal, the place of the cut must be watered. It is advisable to carry out the work together.
Aluminum is a very tough metal. When cutting a part of a large thickness, kerosene must be dripped into the seam, observing fire safety rules.
For molding, cutting of sheet metal, curly carving, you should use worn-out discs. “stubs”, so do not throw them away immediately.
Correctly cut the corner not in one go, but separately both shelves.
If long enough pipes, corners, fittings lie on the supports, cut the overhanging edge correctly. If you cut between the supports, the part will bend due to its own weight and jam the disc.
Thick parts are cut only in a straight line. If you need to cut out a curly part, straight-line cuts are made first, then the remaining unnecessary parts are removed.
Do not put pressure on the angle grinder. This will cause the blade to jam or break and overheat the angle grinder. If the cutting process is slow, the blade should be replaced.
The resulting cut should not be processed with the side of the disc. For this, a different type of disc is used.
Melted particles of metal and abrasive, falling on plastic products, glass and car headlights, get stuck in them, and then it is almost impossible to remove them. Therefore, before starting work, they need to be removed or protected.
How to cut metal with an angle grinder
There is an opinion that the very concept of “angle grinder” came into our use because for the first time this tool was brought from an angle grinder. This is partly true. But they developed and began to produce it in Germany. He first came to us from an angle grinder, where he began to be produced in the seventies. Angle Grinder. Correct Tool Name.
When working with an angle grinder, it is imperative to observe safety precautions, namely: wear glasses, gloves, a helmet and a protective apron.
It is impossible today to imagine the work of builders, repairmen, mechanics, locksmiths without an angle grinder. With its help, you can cut a variety of materials, including metal: fittings, bar, water pipes, corner, profile.
The resulting sections can be grinded, polished, sharpened. A large selection of interchangeable attachments makes this tool irreplaceable and versatile.
At the same time, it is the most traumatic tool.
To cut metal, an angle grinder will need:
- Angle Grinder;
Basic rules for safe work when cutting metal angle grinder
The layout of the most dangerous sectors during operation of the angle grinder, taking into account the rebound and destruction of the disc.
The most necessary condition for cutting is strict adherence to the rules of safe work.
Angle grinder manufacturers are constantly trying to minimize the risk of injury and injury by inventing and improving various protection systems. But no one cares about the worker like himself.
The main dangers that arise when cutting metal are the flight of fragments of a broken disc, the flow of sparks and the smallest abrasive particles, the inability to hold the tool in your hands.
If the disc breaks or gets jammed, the angle grinder can break out of your hands at the most inopportune moment and with great force, therefore, before starting work, you should consider the direction of its possible movement.
Safety rules cannot be neglected even when performing small work.
Before starting work, you should:
- Protect face, eyes, hands, and if possible all parts of the body.
- Remove all combustible materials and objects that are in the direction of the emission of sparks.
- Clamp the workpiece to be machined in a vice, if possible. Do not hold the workpiece with your free hand or press with your feet.
- If you install a new disc, you need to “turn” its angle grinder at maximum speed, placing it further: the disc may be defective and fly to pieces.
- Install, adjust and secure the protective cover.
It is best to protect your face with a special face shield when working with an angle grinder.
During work, you should:
- When replacing discs during rest, you must disconnect the angle grinder from the mains.
- Use goggles or face shield to protect eyes and face. professionals use both for extended work.
- Hold the angle grinder firmly during all work.
- To replace a disk, you need to wait until it completely stops.
- Wear protective gloves. It is undesirable to use cotton gloves, they do not provide sufficient protection, they can ignite, and the threads wrap around the spindle of an angle grinder or disc.
- During work, you need to position yourself so that the face, and, if possible, all parts of the body are not in the plane of rotation of the disk.
At the end of the work, you should:
- wait until the disc rotation has stopped completely and only then put the tool on the floor with the disc upwards so as not to damage it;
- disconnect the angle grinder from the network;
- make sure there is no smoke or other signs of fire.
A typical mistake that is made when cutting metal: if the diameter of the new circle is larger than the size of the protective cover, it is removed. The casing is a protection in case the disc breaks and shatters during the metal cutting process.
Instead of a disc, many people put cutters, saws or other materials at hand. Doing this is strictly prohibited.
Is it possible to use an angle grinder for cutting metal tiles and corrugated board?
At a time when they just started using metal tiles and corrugated board, the instructions said that using an angle grinder for cutting these roofing materials is strictly prohibited. This is explained by the fact that on both sides they are protected with zinc and polymer coatings and painted.
The abrasive disc heats and melts the material. The sections are ragged. Flying sparks also break the paint. All this causes corrosion of the material and a decrease in the service life.
Recently, however, builders have begun to use an angle grinder for this work. This greatly facilitates the work, it can be carried out directly on the roof. After cutting, the edges must be treated with anti-corrosion agents, primed and painted.
Correctly cutting metal with an angle grinder is easy. Everything can be learned. The main thing is to follow the safety rules and follow the recommendations.
Cut off, clean up, grind. how to work properly with an angle grinder
An angle grinder (angle grinder), also known as an “angle grinder”, is an effective but extremely traumatic tool. The use of this machine inappropriately enough often leads to various types of injury, damage and injury, in some cases fatal. In most cases, such injuries are inflicted on themselves by non-professionals who for the first time hold such a tool in their hands and have an idea of its work only in words. That is why it is of great importance to study safety precautions, operating rules and the use of protection while working with an angle grinder.
In order not to get lost among the many “empty” tips and unnecessary recommendations, choose only the right sources of information. How to use an angle grinder correctly, what protection to use and much more you will learn just by reading this article.
How to cut an angle grinder correctly?
After a suitable nozzle has been selected, the workplace has been cleaned and all the necessary safety operations have been performed, you can start the work itself. Knowing exactly how to cut an angle grinder is important here.
To avoid injury and damage to the instrument itself, it is enough to follow simple rules:
Remember that before cutting and sawing an angle grinder, you should familiarize yourself with the characteristics of the tool itself and the working material.
What can you grind an angle grinder
Despite the fact that the angle grinder is primarily intended for grinding, it must be prepared separately for each operation. A support wheel mounted on the tool shaft contributes significantly to correct and safe work.
To process wood, an emery wheel must be glued onto the platter. Sandpaper is selected for the material purely individually. This is done by the number of the paper itself. The modern assortment makes it easy to find a circle of the required diameter and size. An additional convenience is the presence of Velcro on the emery wheel, which allows you to quickly change them to an angle grinder.
Thanks to the angle grinder, light sanding of concrete has become possible. For this purpose, it is recommended to purchase a protective cover. He will protect the master from flying dust. Also, such a casing has a branch pipe for connecting a vacuum cleaner.
For grinding metals, a standard metal grinding wheel is perfect. Such a nozzle has different diameters, thicknesses and different grains of the grinding surface. Note that if you are planning to sand a really rusted surface, then first you should go over it with a metal brush.
How to cut an angle grinder metal
Cutting metal with an angle grinder is a rather complicated process. Approach him competently.
The working wheel should be selected depending on the thickness of the sheet metal. You will also need to choose a rotation speed that is optimal for the job, and cut strictly according to the drawn lines. Approaching the end of the tile, sink the angle grinder a little so that the cut border does not have a bevel.
You can start the process of cutting corrugated board completely from any edge. If necessary, the cut can also be started from the middle. The only caveat here concerns thin metal. when cutting it, a ragged cut is formed on the back side. To avoid injury and to ensure cleanliness, it is recommended to grind such a cut.
Not sure how to cut pipe angle grinder? Any metal pipe is equal to a sheet of metal and does not require additional skills. The whole difference here lies only in the shape of the product itself.
Cutting reinforced concrete can cause some difficulty. It’s almost the same as cutting metal though. A diamond disc is suitable for these purposes. A little advice. start cutting at a depth of about 1 cm. If there are no problems with your angle grinder, continue the operation. The depth of each subsequent cut should be no more than 1.5 cm.
What you can do an angle grinder and where to start
Such a tool allows you to confidently cut, grind, clean and polish many well-known materials, such as concrete and tiles, metal and wood, brick and others. At the same time, for each specific type of work, a special replaceable nozzle will be required. In some cases, such a tool can be used for other purposes, such as cutting an angle glass grinder or sharpening cutting surfaces (knives, drills, etc.).
This power tool is indispensable in the process of construction or repair work. It is actively used in car repair shops, utilities, during rescue operations and in other areas of our life. In other words, the angle grinder is widely used in industry and in everyday life.
The very work of an angle grinder is a hazardous operation. Before starting it, it is important to prepare the instrument itself. In this case, the choice of the nozzle plays a special role. It is important to consider the following points here:
- The diameter of the saw blade. the smaller its value, the greater the rotational speed, which means that it is able to withstand a greater number of revolutions;
- Working material directly affects the choice of consumables. For example, for metal pipes, an abrasive disc, and concrete. diamond;
- Study the symbols and markings of such consumable carefully. This will allow you to understand if the given attachment is suitable for the intended operation.
Types of attachments for an angle grinder
Angle grinder discs are widely used in different operations and must be changed for different materials. over, each of them has unique properties and design. That is why it is so important to choose the right consumable for your angle grinder.
Depending on the purpose, they are:
- detachable. for cutting or sawing materials;
- saws. for cutting various wood products;
- roughing. for grinding metal, concrete and wood blanks;
- stripping. for removing rust from metal surfaces and removing other types of stubborn dirt.
Flap discs are among the most common types of scraper discs. Such tools are suitable for processing materials from metal, plastic and wood.
How I Make Straight Accurate Cuts With The Angle Grinder
Attaching the accessory to the angle grinder
- Disconnect the tool from the mains and jam the rotation shaft with the attachment by means of a special button;
- The lock nut must be unscrewed. To do this, use a key with two projections;
- Remove the old drive. After that, a new one can be installed on the mounting flange;
- Screw in and secure the lock nut with a wrench.
Can plexiglass be cut by an angle grinder?
Thanks to the angle grinder, you can easily cut the plexiglass. For this operation, an ordinary ceramic circle will be sufficient.
It is necessary to make a contour cut, and then deepen it. The cut glass will need to be moved to the edge of the table and broken. Remember to cut this material carefully so as not to damage it.
How to cut tiles, ceramics, granite, tiles
A feature of these materials is a large amount of dust and the possibility of chips during the cutting process. It is important here to approach the preparatory process correctly. If it is impossible to avoid the formation of dust, then it is quite possible to reduce the risk of chips to a minimum.
In order to avoid chipping during the cutting of tiles, it must be moistened with water. This step in time lowers the temperature of the material, which is the main cause of destruction. It will also allow not only cutting the tiles without chips, but also cutting out the necessary fragments. Approximately according to this principle, tiles are cut.
There is also an alternative way. In this case, you will need to operate the stone cut-off wheel. The use of such a circle practically eliminates the formation of cracks and chips.
Cutting porcelain stoneware is more difficult, as this material is thicker and stronger. The best solution in this case would be to use a stone circle:
- make a contour cut along the contour mower line. Then again, until the not cut thickness of the product becomes less than the cut;
- slide the product to the edge of the table;
- break the porcelain stoneware tiles with a sharp but not violent movement.