How To Cut Pipes With A Grinder

How to properly saw pipes with a grinder

Grinder cutting: tiles, metal (corrugated board, cast iron, pipe, metal tile), concrete, glass, asphalt, porcelain stoneware, brick. Is it possible to cut wood with a grinder

Like all other tools, grinders are 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 angle grinders, but not everyone asks about the correctness of the manipulations performed, in terms 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 Cut Pipes With A Grinder

HOW TO CUT CORRECTLY WITH A BULGARIAN?

Before you get started, you need to prepare the grinder. We mean the choice of rig (disc). The following points should be considered here:

  1. Disc diameter. Remember, the smaller the disc diameter, the more revolutions (higher rotational speed) it can handle, and vice versa.
  2. The choice of disc depends primarily on the material with which you plan to work and the design features of your instrument.
  3. 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. Let’s get to work.

Always hold the tool firmly and confidently with both hands. Take a steady body position. You need to stand so that sparks do not fly on clothes and, even more so, in the face during work.

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 sharply throw back. Monitor the process to avoid this.

Also remember that the power cord of the angle grinder must be isolated from sparks falling on it during operation. If you need to move the instrument to a different work surface, be sure to turn it off first and 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 instrument and then unplug it from the mains. If this is not done, then when the power is resumed, the grinder will start working in a chaotic mode again and can cause irreparable harm to your health, those around you or damage objects around.

The most frequently asked question that arises among novice craftsmen is the following: How to cut correctly with a grinder: for yourself or for yourself? Many do not give this special significance, but in vain.

Bulgarian manufacturers advise their consumers the following: The tool should be used in such a way that the course (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. If the grinder is torn out of your hands, the tool will be thrown in the opposite direction from you. If you cut towards 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 cutting a profile or shaped tube, which is usually quite long, cut the overhanging edge. Otherwise, if you make a cut in the place between the supports, such an outcome as a jamming of the blade due to the deflection of the workpiece is possible.

If you are cutting corrugated sheet (sheet metal sheeting), metal siding (metal siding) or metal tiles, take care of the presence of special anti-corrosion agents that you need to lubricate the material 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, be careful not to apply excessive force to avoid chipping and unevenness.

It is possible to process rubber with a grinder, but unnecessary. If you understand what we mean.

Grooves, springs, fittings or channels can also be cut with angle grinders.

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 off 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 A BULGARIAN TILE WITHOUT CHIPS?

As we said above, the range of application of angle grinders 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 how to cut 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 tile with a straight cut. Then, when cutting, we direct the grinder disc at an angle and remove the unnecessary part. Next, we grind the cut with sandpaper.

HOW TO CUT CORRECTLY BULGARIAN METAL?

To begin with, let’s talk about the dangers that await the master when cutting metal with a grinder, namely:

  1. Fragments of the disc, in the event of a break;
  2. Powerful stream of sparks and small abrasive particles;
  3. In some cases, the inability to hold the instrument in the hands.

Now, here are some 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, breaks of 5-7 minutes every 20-30 minutes of work will help to increase the service life of the equipment, and the tool itself. This rule is especially important when working with household grinders. This way you will keep your instrument from overheating.

You should also remember that you should not put pressure on the grinder during operation, otherwise it may fail due to overheating, or the disc will jam. If you feel that performance is too slow, try changing the drive.

IS IT POSSIBLE FOR A BULGARIAN TO CUT A WOOD?

Many experienced craftsmen say that cutting wood with a grinder is to be. Our opinion: indeed, it is possible to cut wood with a grinder, but it is extremely unsafe, inconvenient, slow and of poor quality. And that’s why.

Firstly, during operation, the grinder disk 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 get under the skin. And this is a direct way to the hospital, because you cannot remove them on your own, plus all this is fraught with infection.

READ  Why Angle Grinder Spins The Other Side

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 grinder will simply snatch out of your hands. It is very dangerous!

We hope we have explained in an accessible way why you cannot use angle grinders when carrying out woodwork and you will not even try.

But, as practice shows, many craftsmen at home resort to the help of a grinder in the process of processing materials such as chipboard, chipboard, laminate, OSB plate 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 EXACTLY CUT BULGARIAN?

In order not to spoil the workpiece and make a high-quality even cut with a grinder, you will need to perform a number of preparatory measures, which we will discuss in this part of the article.

  1. Markup. All ingenious is simple. First mark, then 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.
  2. It is very important to choose the right thickness of the circle. There is a simple axiom at work: the thicker the material you work with, the thicker the disc should be. When choosing a tool, consult an expert in the field and pay attention to the marking of the grinding wheel applied to his shirt.

HOW TO CUT SAFELY WITH A BULGARIAN?

Working as a grinder is a business 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 work area from excess, especially the place where the sparks fly out, remove all combustible materials away.
  • The workpiece to be machined must always be securely fixed.
  • Be sure to install the protective cover.
  • Hold the tool firmly while working.
  • At the end of the work, wait until the rotation of the disc has stopped completely, put the grinder with the disc facing up so as not to damage it, unplug the tool from the mains and make sure there is no smoke and signs of fire.

WHAT CANNOT BE CUT WITH A BULGARIAN? BASIC ERRORS

The list below contains the materials with which you can work with the grinder. It is prohibited to work with materials that are not on the list.

  1. LBM will perfectly cope with cutting materials such as cast iron, metal, steel, copper, aluminum, iron, titanium. You can cut stainless steel or galvanized.
  2. With the appropriate attachments, you can also work with plastic, ceramics, glass, plexiglass and porcelain.
  3. Stone, granite, marble, asphalt, concrete or a wall made of it, brick, porcelain stoneware can also be processed with a grinder.

The angle grinder is useful if you need to cut off 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 phones. They will recommend suitable discs and advise you on all issues of interest.

Like all other tools, grinders are 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 angle grinders, but not everyone asks about the correctness of the manipulations performed, in terms 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 CUT CORRECTLY WITH A BULGARIAN?

Before you get started, you need to prepare the grinder. We mean the choice of rig (disc). The following points should be considered here:

  1. Disc diameter. Remember, the smaller the disc diameter, the more revolutions (higher rotational speed) it can handle, and vice versa.
  2. The choice of disc depends primarily on the material with which you plan to work and the design features of your instrument.
  3. 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. Let’s get to work.

Always hold the tool firmly and confidently with both hands. Take a steady body position. You need to stand so that sparks do not fly on clothes and, even more so, in the face during work.

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 sharply throw back. Monitor the process to avoid this.

Also remember that the power cord of the angle grinder must be isolated from sparks falling on it during operation. If you need to move the instrument to a different work surface, be sure to turn it off first and 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 instrument and then unplug it from the mains. If this is not done, then when the power is resumed, the grinder will start working in a chaotic mode again and can cause irreparable harm to your health, those around you or damage objects around.

The most frequently asked question that arises among novice craftsmen is the following: How to cut correctly with a grinder: for yourself or for yourself? Many do not give this special significance, but in vain.

Bulgarian manufacturers advise their consumers the following: The tool should be used in such a way that the course (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. If the grinder is torn out of your hands, the tool will be thrown in the opposite direction from you. If you cut towards 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 cutting a profile or shaped tube, which is usually quite long, cut the overhanging edge. Otherwise, if you make a cut in the place between the supports, such an outcome as a jamming of the blade due to the deflection of the workpiece is possible.

If you are cutting corrugated sheet (sheet metal sheeting), metal siding (metal siding) or metal tiles, take care of the presence of special anti-corrosion agents that you need to lubricate the material 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, be careful not to apply excessive force to avoid chipping and unevenness.

It is possible to process rubber with a grinder, but unnecessary. If you understand what we mean.

Grooves, springs, fittings or channels can also be cut with angle grinders.

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 off with masking tape or construction tape. This minimizes the possibility of cracks and prevents debris from scattering on the floor after cutting.

READ  How to Cut Porcelain Tiles Angle Grinder Without Chips

HOW TO CUT A BULGARIAN TILE WITHOUT CHIPS?

As we said above, the range of application of angle grinders 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 how to cut 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 tile with a straight cut. Then, when cutting, we direct the grinder disc at an angle and remove the unnecessary part. Next, we grind the cut with sandpaper.

HOW TO CUT CORRECTLY BULGARIAN METAL?

To begin with, let’s talk about the dangers that await the master when cutting metal with a grinder, namely:

  1. Fragments of the disc, in the event of a break;
  2. Powerful stream of sparks and small abrasive particles;
  3. In some cases, the inability to hold the instrument in the hands.

Now, here are some 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, breaks of 5-7 minutes every 20-30 minutes of work will help to increase the service life of the equipment, and the tool itself. This rule is especially important when working with household grinders. This way you will keep your instrument from overheating.

You should also remember that you should not put pressure on the grinder during operation, otherwise it may fail due to overheating, or the disc will jam. If you feel that performance is too slow, try changing the drive.

IS IT POSSIBLE FOR A BULGARIAN TO CUT A WOOD?

Many experienced craftsmen say that cutting wood with a grinder is to be. Our opinion: indeed, it is possible to cut wood with a grinder, but it is extremely unsafe, inconvenient, slow and of poor quality. And that’s why.

Firstly, during operation, the grinder disk 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 get under the skin. And this is a direct way to the hospital, because you cannot remove them on your own, plus all this 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 grinder will simply snatch out of your hands. It is very dangerous!

We hope we have explained in an accessible way why you cannot use angle grinders when carrying out woodwork and you will not even try.

But, as practice shows, many craftsmen at home resort to the help of a grinder in the process of processing materials such as chipboard, chipboard, laminate, OSB plate 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 EXACTLY CUT BULGARIAN?

In order not to spoil the workpiece and make a high-quality even cut with a grinder, you will need to perform a number of preparatory measures, which we will discuss in this part of the article.

  1. Markup. All ingenious is simple. First mark, then 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.
  2. It is very important to choose the right thickness of the circle. There is a simple axiom at work: the thicker the material you work with, the thicker the disc should be. When choosing a tool, consult an expert in the field and pay attention to the marking of the grinding wheel applied to his shirt.

HOW TO CUT SAFELY WITH A BULGARIAN?

Working as a grinder is a business 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 work area from excess, especially the place where the sparks fly out, remove all combustible materials away.
  • The workpiece to be machined must always be securely fixed.
  • Be sure to install the protective cover.
  • Hold the tool firmly while working.
  • At the end of the work, wait until the rotation of the disc has stopped completely, put the grinder with the disc facing up so as not to damage it, unplug the tool from the mains and make sure there is no smoke and signs of fire.

WHAT CANNOT BE CUT WITH A BULGARIAN? BASIC ERRORS

The list below contains the materials with which you can work with the grinder. It is prohibited to work with materials that are not on the list.

  1. LBM will perfectly cope with cutting materials such as cast iron, metal, steel, copper, aluminum, iron, titanium. You can cut stainless steel or galvanized.
  2. With the appropriate attachments, you can also work with plastic, ceramics, glass, plexiglass and porcelain.
  3. Stone, granite, marble, asphalt, concrete or a wall made of it, brick, porcelain stoneware can also be processed with a grinder.

The angle grinder is useful if you need to cut off 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 phones. They will recommend suitable discs and advise you on all issues of interest.

How to cut metal with a grinder

There is an opinion that the very concept of a grinder has come into our use because this instrument was first brought from Bulgaria. This is partly true. But they developed and began to produce it in Germany. He first came to us from Bulgaria, where he began to be released in the seventies. The angle grinder is the correct tool name.

When working with a grinder, it is imperative to observe safety precautions, namely: wear glasses, gloves, a helmet and a protective apron.

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 with a grinder you will need:

  • Mask;
  • Glasses;
  • Disks;
  • Bulgarian;
  • Metal.

How to properly cut metal with a grinder. Practical tips and advice

If long pipes rest on supports, the overhanging edge should 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 the grinder, then before starting work, you should learn how 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 disc heel (the near lower part of the circle) cuts metal more effectively.

In order for the 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 grinders who are afraid of overheating.

READ  Small Speed ​​Adjustable Angle Grinder

To increase the service life of discs, especially expensive ones, and to cool the metal, the place of the cut should be watered. It is advisable to carry out the work together.

Aluminum is a very tough metal. When cutting a piece of 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 stub discs, so do not throw them away immediately.

The corner should be cut correctly not in one go, but separately both shelves.

If long enough pipes, corners, fittings lie on 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 first made, then the remaining unnecessary parts are removed.

You should not put pressure on the grinder. This will lead to jamming or breakage of the disc and overheating of the 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 must be removed or protected.

How to choose the right grinder

The grinder should fit comfortably in your hand.

The correct choice and quality of the 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 important, since it is often necessary to work by weight, and its dimensions so that it is possible to perform work in inconvenient and hard-to-reach places.

Most buyers, when they see powerful grinders, are somewhat frightened that it is more difficult to cope with it than with a low-power one. This is a misconception. Low-power grinders are more likely to jam discs, i.E. They are physically unable to pull out the disk under heavy loads. The situation how the disk and the machine itself will behave after reducing the load is unpredictable. Most likely, the grinder will be torn from the 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 a grinder for a 125 mm disc with a power of 800-1000 W and a spindle speed of 10,000 rpm. This power is sufficient for cutting 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 everyday problems, they do not justify themselves.

The handles of the grinder should be rubber or made of material that will dampen vibrations from the machine.

But none of the technical characteristics reflect the convenience and safety in work. The 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 finger recesses.

Low-powered grinders, as a rule, do not have an additional handle.

If, when choosing, any inconvenience was found, you should look for a grinder of another model.

Basic rules for safe work when cutting metal with a grinder

The layout of the most dangerous sectors when working with a 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.

Grinder manufacturers are constantly trying to minimize the risks 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 it gets jammed, the grinder can break out of the hands at the most inopportune moment and with great force, therefore, even before starting work, the direction of its possible movement should be foreseen.

Safety rules cannot be neglected even when performing small work.

Before starting work, you should:

  1. Protect face, eyes, hands and, if possible, all body parts.
  2. Remove all combustible materials and objects that are in the direction of the discharge of sparks.
  3. Fasten the part to be processed by the grinder, if possible, in a vice. Do not hold the workpiece with your free hand or press with your feet.
  4. If a new disc is installed, you need to turn it with a grinder at maximum speed, placing it further away: the disc may be defective and fly to pieces.
  5. Install, adjust and secure the protective cover.

It is best to protect your face with a special shield when working with a grinder.

During work, you should:

  1. When replacing discs during rest, you must disconnect the grinder from the network.
  2. To protect eyes and face, use goggles or a face shield. Professionals use both of them during extended work.
  3. Hold the grinder firmly during all work.
  4. To replace the drive, you need to wait until it stops completely.
  5. Wear protective gloves. It is undesirable to use cotton gloves, they do not provide sufficient protection, they can ignite, and the threads wind up on the grinder’s spindle or disc.
  6. 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 rotation of the disc has stopped completely and only then put the tool on the floor with the disc facing up so as not to damage it;
  • Disconnect the 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 greater than the size of the protective cover, it is removed. The cover is a protection in case the disc breaks and shatters during the metal cutting process.

Instead of a disc, many put cutters, saws or other materials at hand. Doing this is strictly prohibited.

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, from the public, is 250 millimeters. In professional 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 grinders up to 2.5 mm. This will facilitate the physical exertion of the 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 stuck in the metal and will be unusable for further work.

Experts say that even beginners do not have any particular difficulties when cutting metal with a grinder.

Can a grinder be used for cutting metal tiles and corrugated board?

At a time when they just started to use metal tiles and corrugated board, the instructions said that it is strictly forbidden to use a grinder to cut these roofing materials. 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 torn. Flying sparks also break the paint. All this causes corrosion of the material and a decrease in the service life.

Nevertheless, builders have recently begun to use a 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 a grinder is not difficult. Everything can be learned. The main thing is to follow the safety rules and follow the recommendations.