How to cut a round hole in the metal with a corner grinder. A through hole

How to make a round hole with a corner grinder “invention and homemade

Locksmiths and masters of a different profile often encounter the need to cut a circle in metal. This can be done in various ways. We will talk about them in this article.

For example, you can cut a circle in a metal sheet with the help of:

Next, we will talk about operations and consider the features of cutting thin and thick sheet metal. Let’s start with the features of the markup.

Marking metal

Before cutting a circle in metal, you need to mark the marking. To do this, you will need kiyanka, Kerner, compass and marker.

• Place the workpiece on a flat surface.
• Designate the center of the hole using Kerner and Kiyanka.
• Draw a circle of the desired diameter on the metal with a circul.
• Circle the contour by the marker.

note! The cutting line for the cutting of the cut should be on the outside of the circle. This is necessary in order to get a part of the required diameter.

A simple way to drill a square hole in the metal

Any hole, if it is made using a drill, has a round shape and in order to make it square, you need to work well with some kind of sawing tool. Consider how to drill a square hole in the metal with minimal use of a file using an example of making a convenient and reliable tap tap tap.

In order to make a cake with a square hole for a tap that has a side of 10mm, you will need: 1. Metal rectangular bar with a thickness of 13mm. 2. Electric drill. 3. Kerner. four. Central drill. 5. Drill for drilling metal with a diameter of 4mm and 9mm. 6. Any co.cheese. 7. A small trihedral file.

The manufacture of the cake is as follows: 1. A square with a side of 6mm is made from paper, mark the center on it and glue it to the workpiece at the place of drilling of the hole.

Put a workpiece on a suitable anvil and mark on it the core peak and the center of the glued square.

Когда бумагу с поверхности заготовки убирают, на ней остается пять накерненных отметин.

Fixed with clamps the workpiece on the surface of the workbench, having previously placed a wooden plank under it.

All five holes marked on the workpiece are sprinkled with a central drill.

It is finally drilled with a drill with a diameter of 4mm, four holes in the vertices of the square,

not forgetting at the same time, from time to time cool them with a small amount of coolant.

Having reduced the frequency of drill speeds, a 9mm diameter drill finally drilled the last, fifth hole located in the center of the square, again not forgetting to cool it from time to time.

Distracted the structure of the clamp. The result is a bille of a bump with a drilled square hole.

However, the edges of the hole are uneven and the tail of the tap does not “sit down” in it.

In order for the tap shank to go into the hole completely, its edges are additionally treated with a file. It is more convenient to do this, of course, holding the workpiece in a vice, and all the work takes no more than 15-20 minutes.

After processing the file, the square hole in the workpiece becomes even, neat, and the tail of the tap enters it completely.

This method of drilling a square hole in a metal workpiece allows you to reduce labor costs when processing its edges to a minimum.

And the resulting cake will, when using it, hold the tap shank reliably and tight. With neat storage, several generations of masters will be able to use it.

Explanatory video for drilling a square hole in a metal blank.

Tools for cutting circles from thin and thick metals

Tools for cutting circles from thin sheet metal:

The following devices are best suited for working with thick blanks:

Фотография : вырезание круга в тонком металле угловой шлифмашинкой

How to cut a circle in metal with a jigsaw

A jigsaw can be cut a circle in a sheet of metal of small or medium thicknesses. The process looks like this.

• Taking into account the thickness of the metal, select the suitable canvas for the jigsaw.
• Equip the power tool with a device.
• Before cutting a circle in a sheet, mark the workpiece.
• Drill the hole from which the cutting of the circle will begin.
• Turn on the electrician and get to work. Cut the circle in metal strictly along the contour.

Important! Consider the following features of using lobe for cutting circles in metal.

• The smaller the teeth on the canvases, the better. The line for the trimmer of the cut will be more accurate.
• Cutting circles in the sheets of metal with a jigsaw is carried out in reciprocal mode.
• Thoroughly control the angle of inclination of the canvas to avoid errors and inaccuracies.
• When cutting a circle in the metal, the probability of breakdown of the canvas increases significantly. Just in case, buy several cutting devices.

Фотография : вырезание круга в металле лобзиком

Another moment! Do not forget about the need to use lubricating-cooler fluid.

How to drill a drill?

Drill drilling a drill involves compliance with some recommendations:

• For the manufacture of holes, you will need an electric drill, core, hammer, machine oil and protective glasses.
• Marking initially.
• Put on protective glasses.
• At low pressure on the drill, you need to select the position of small revolutions and start work.
• We must not forget to water the processed place with the equipment of the cooling liquid.

Subject to the technology and the use of high.quality tools, you can make holes of different diameters and depths. To drill even holes or choose a depth, you can use a device called a “depth limiter”. It is fixed to the electric drill and set up to the desired depth.

Marking metal

Before cutting a circle in metal, you need to mark the marking. To do this, you will need kiyanka, Kerner, compass and marker.

• Place the workpiece on a flat surface.
• Designate the center of the hole using Kerner and Kiyanka.
• Draw a circle of the desired diameter on the metal with a circul.
• Circle the contour by the marker.

note! The cutting line for the cutting of the cut should be on the outside of the circle. This is necessary in order to get a part of the required diameter.

Recommendations for cutting metal pipes

Cutting pipes from different metals is a demanded operation during repair and construction work. It is necessary to cut off the products when installing sewer and heating systems, water lines. In this direction, the corner grinder copes well with various tasks. Disks for work are chosen according to the material from which the pipe is made.

The use of a corner grinding machine makes it possible:

• cut pipes at different angles, for example 45 and 90 degrees;
• cut large diameter products;
• Exactly cut profile (rectangular or square cross section) pipe;
• make longitudinal cutting of tubular blanks;
• saw cast iron pipes;
• Cut the thin.walled tubes.

If you need to cut a large diameter pipe, then the use of a corner grinder allows you to perform this work without significant cash costs. But at the same time, labor productivity is small, and the risks are considerable. When long pipes lie on the supports, only hanging parts are sawn down. If you saw it in the center, then the cuts of the cut will clamp the rubberized circle, which will lead to the jamming of the tool and the possible injury.

Experts not only cut pipes from different materials at the desired corners, but also cut the holes of the required forms in them. Work with specialized and round blanks is carried out in a similar way, with mandatory compliance with safety regulations.

Cutting pipes at different angles

Cut at an angle of 45 and 90 degrees round and profile pipes is necessary when laying various communications. In any case, it is necessary to sprinkle the pipe evenly so that the elements that need to be connected are maximally connected to each other.

A cut at an angle of 45 degrees of cylindrical pipes is carried out as follows:

• take a regular square paper sheet;
• fold it exactly diagonally;
• The pipe is wrapped with this template;
• with a chalk or other marking device, the future fishing line for the trimmer of the cut is applied;
• remove the template;
• clamping the workpiece in a vice;
• cut off the marked fragment of the pipe.

When applying the template, any of the two short sides of this triangle should be parallel to the central axis of the pipe.

When it is necessary to cut at an angle of 90 degrees, the pipes are simply wrapped in a circle (cylindrical) or along the perimeter (profile) sheet of paper. After that, a fishing line for a trimmer cut is marked. You can also mark the profile pipe very simply with a regular square.

If it is necessary to cut at an angle of 45 and 90 degrees a significant number of profile pipes, the corresponding templates are made from this material, only of a larger section. This allows you to perform the required measurements only once. In this case, for the initial marking, a construction square is used, or transportation. When the template is made, cut blanks are inserted inside it, noting the cut line. Then the sawing is performed.

Templates are made for other angles. This method increases labor efficiency.

Features of cutting cast.iron and thin.walled pipes

Cast iron is a fragile material. To cut the cast.iron pipe with a corner grinder, act in the following sequence:

• mark the fishing line for the trimmer of the cut;
• put a wooden block under the pipe, which will serve her support;
• make cut along a contour a depth of several millimeters;
• insert a chisel in the depression made;
• on mentoring strongly and abruptly hit with a hammer.

After the blow, the pipe will split along the cut line. Its edges will be quite even. If necessary, they are additionally processed.

To perform the longitudinal sawing of the pipe, the exact marking is also important. For its application, various devices are used, for example, a construction thread (“beaten”). The whole process of sawing should be carried out carefully, slowly, so as not to go astray from the marked line.

Thin.walled pipes are one of the varieties of this kind of products. They are often made of non.ferrous metals: copper or aluminum. Their cutting is a difficult occupation. In this case, the corresponding workpieces of the corner for corner grinding.

The sawing of thin.walled tubes must be performed very carefully, because they can easily be deformed even from applying an insignificant load.

To reduce the likelihood of bending the cut part, various bulk fillers, for example, are ordinary purified sand, fall asleep inside it.

Marking metal

Before cutting a circle in metal, you need to mark the marking. To do this, you will need kiyanka, Kerner, compass and marker.

• Place the workpiece on a flat surface.
• Designate the center of the hole using Kerner and Kiyanka.
• Draw a circle of the desired diameter on the metal with a circul.
• Circle the contour by the marker.

note! The cutting line for the cutting of the cut should be on the outside of the circle. This is necessary in order to get a part of the required diameter.

Ways to cut a circle of thin metal

Metal is thin, or thick and durable, so a variety of tools are used to cut it.

The choice of materials and cutting technology also depends on what diameter a circle is needed and how even it should be.

The use of a jigsaw

If there is a need for a perfectly even circle, you can use an electric jigsaw to cut it.

• First, the thickness of the metal is determined and the corresponding saw canvas is selected for an electric lobby.
• Before cutting the circle in the metal with a jigsaw, the circuit circuit is planned on the working plane, which will be cut out.
• Using a drill and a drill (in the diameter of the component from eight to ten millimeters), a hole is cut out from which work will begin.
• The saw blade is placed in the resulting gap and the cutting continues according to the planned drawing.

Cutting using this tool does not take much time and effort. over, with the help of a jigsaw you can get a circle with perfect edges. But this tool is used only to work with the metal of the minimum or medium thickness (for example, 2. 3 mm).

The use of corner grinders

Corner grinder is used to work with metal of small thickness. A round hole can be formed with this tool, following such step.by.step tips:

• Before cutting the circle in the metal of the corner grinder, marking is carried out so that its contours are clearly visible.
• In the entire length of the scheduled drawing, short segments are cut out with a disk of corner grinder, which will ultimately combine.
• The figure will be more similar to a multi.line than a circle. Therefore, after the end of the cutting, the product is processed and cleaned until the time, until the edges become quite even and smooth. For processing, you can also use an angular grinder. If the circle has a wide diameter, you can turn the contours in a large disk.

When processing a cut circle with an angular grinder, you should be careful so that the disk is inside the hole and, at the same time, is located in the same plane with a working sheet.

The main stages of work

First of all, you need to make a mount for an angular grinder. To do this, the author cuts out two metal plates, drills holes in them and, with the help of bolts, attachs to the gearbox body.

After that, it will be necessary to cut off another plate and weld it to the first two plates.

Further, to the resulting mount, the author welds a steel strip, the end of which fixes to the body of the corner grinder with a clamp.

To fasten the corner grinder (in the center of the upper plate), it will be necessary to weld the bolt.

At the next stage, the author cuts off a piece of a round tube. You need to put a sleeve (from a larger diameter pipe) with a fixing bolt on the tube, and weld the nuts to the ends. To the sleeve, the author welds two pieces of the tube.

Next, you need to make another sleeve with a latch. It must be welded to a round magnet (can be removed from the old speaker).

Then you can start assembling the device. For convenience, the author screws the handle from the corner grinder into the tube. Install the rack on a sheet of metal, set the desired size and you can cut the circle.

How to cut a circle in metal with a jigsaw

A jigsaw can be cut a circle in a sheet of metal of small or medium thicknesses. The process looks like this.

• Taking into account the thickness of the metal, select the suitable canvas for the jigsaw.
• Equip the power tool with a device.
• Before cutting a circle in a sheet, mark the workpiece.
• Drill the hole from which the cutting of the circle will begin.
• Turn on the electrician and get to work. Cut the circle in metal strictly along the contour.

Important! Consider the following features of using lobe for cutting circles in metal.

• The smaller the teeth on the canvases, the better. The line for the trimmer of the cut will be more accurate.
• Cutting circles in the sheets of metal with a jigsaw is carried out in reciprocal mode.
• Thoroughly control the angle of inclination of the canvas to avoid errors and inaccuracies.
• When cutting a circle in the metal, the probability of breakdown of the canvas increases significantly. Just in case, buy several cutting devices.

Фотография : вырезание круга в металле лобзиком

Another moment! Do not forget about the need to use lubricating-cooler fluid.

Ways to cut a circle of thin metal

Metal is thin, or thick and durable, so a variety of tools are used to cut it.

The choice of materials and cutting technology also depends on what diameter a circle is needed and how even it should be.

The use of a jigsaw

If there is a need for a perfectly even circle, you can use an electric jigsaw to cut it.

• First, the thickness of the metal is determined and the corresponding saw canvas is selected for an electric lobby.
• Before cutting the circle in the metal with a jigsaw, the circuit circuit is planned on the working plane, which will be cut out.
• Using a drill and a drill (in the diameter of the component from eight to ten millimeters), a hole is cut out from which work will begin.
• The saw blade is placed in the resulting gap and the cutting continues according to the planned drawing.

Cutting using this tool does not take much time and effort. over, with the help of a jigsaw you can get a circle with perfect edges. But this tool is used only to work with the metal of the minimum or medium thickness (for example, 2. 3 mm).

The use of corner grinders

Corner grinder is used to work with metal of small thickness. A round hole can be formed with this tool, following such step.by.step tips:

• Before cutting the circle in the metal of the corner grinder, marking is carried out so that its contours are clearly visible.
• In the entire length of the scheduled drawing, short segments are cut out with a disk of corner grinder, which will ultimately combine.
• The figure will be more similar to a multi.line than a circle. Therefore, after the end of the cutting, the product is processed and cleaned until the time, until the edges become quite even and smooth. For processing, you can also use an angular grinder. If the circle has a wide diameter, you can turn the contours in a large disk.

When processing a cut circle with an angular grinder, you should be careful so that the disk is inside the hole and, at the same time, is located in the same plane with a working sheet.

We carry out cutting

Light the arc. This can be done in two ways: tapping the end of the electrode on the surface of the metal or stirring, as if you are looking for a match. The first method is simpler. If you have never used a welding inverter before, we recommend starting with tapping.

Set up current on inverter. The current strength is selected based on the thickness of the workpiece and the diameter of the electrode. We recommend that you first install the settings in the way, as if you simply performed welding, and then add about 30% of the given current strength.

Next, you need to mark the edges of the future hole. Use a chemical pencil for this. It is great for marking and it is clearly visible when cutting. If the hole is small (a couple of centimeters in diameter), then you can cut at once. If there is a lot of work, it is better to make a smaller hole and then gradually expand it.

Drive the electrode perpendicular to the workpiece. Do not devote it much when cutting. The process itself is very similar to ordinary welding, so you should not have difficulties.

The site of the garage

The garage site is a site for those who independently repair their or someone else’s car in a garage or a small, “non.reference” service. Or is going to do this, but has little idea of ​​how to do it and where to start.

The garage site is a site for those who are repairing cars for their own pleasure, and maybe for the sake of earnings.

Materials on body repair, the most complex and costly type of car repair will be posted on the garage website. Practical materials will also be placed on the most interesting aspects of traditional repair. engine, transmission, electricians, etc.D. If traditional types of repair are represented by a large number of good.quality literature, then good literature on body repair is very rare.

Search on the Internet from Google on the garage website

The garage website will make up the deficit. here you will find practical materials on high.quality body repair of any complexity that is done in an ordinary garage. Body repair is not too simple and affordable, especially if you work in an ordinary garage. There are the following explanations for this:

Body repair is a rather costly lesson. And that’s why.

• If, for example, you need one. two sets of good end heads to repair the engine, some sewage and special clips, a fitting tool, then for the repair of the bodies you will need to buy a welding machine, compressor, dispersiships, consumables. Add to this tools, grinding, as well as manual electrical and pneumatic tools.
• Before buying all this, you will need to decide on the choice. what and which manufacturer to buy from. Even after you make a choice and gradually purchase all this, questions will remain like how to connect it correctly and how to start working. What is the equipment there. And the requirements are very high to the master. he should be a little artist, even aesthetic if you want. The result of his work should delight relatives, friends and girls. And customers, if the master works for money In a different situation, relatives will be upset, the girls will scatter, and the client may demand a return of advances, threatening physical reprisal.
• Body software. So it is customary to call consumables for the repair of the body. It includes putty, liquid putty, primary and secondary soils, MS and HS varnishes, enamels and basic enamels, abrasive materials, polishing pastes. Add here sealants of welds, glues for gluing glasses, preservatives of internal cavities, anti.corrosion materials for the bottom and wheel arches, and much more. For a beginner, this is all insanely complicated.
• The specifics of the body’s body repair in the garage is also quite interesting. As you understand, a garage is not a corporate service where everything is. light, warmth, squares, and warm toilet. An ordinary garage is, with rare exceptions, a dusty, cramped and semi.high place, which is full of any rubbish and there are big problems with the supply of electricity. Looking at such a garage, it seems that the only thing that can be done in it is stupidly thumpAnd further. It’s good if repairs are done in the summer. And in winter, in the cold? There is such a dubak in the garage that the idea of ​​some kind of activity there seems to be complete madness in it. And yet, in spite of everything, in the garage you can show such a quality of repairs, next to which some “branded” services may rest.

So, if you are determined and are not afraid of heavy, harmful and monotonous labor and some material costs, then you have a chance to become a real pros and even start making money.

The garage site is just the place where you will receive information on any issue related to body repair. and not only. You will also receive information on how to properly warm the garage in winter, how to improve power supply, how to work in a garage if there is no electricity at all. You will learn about how to restore a broken car without using a slipway, how to use a carbon dioxide semiautomatic device, a sprayer HVLP, RP, LVLP, LVMP, HTE, GEO, how to eliminate color defects, how to polish and what to polish, and much more than more. Best wishes, Homa, administrator VGARAJE.SU.

Homa, administrator Vgaraje.SU and garage with great experience

Devices for drills

There are several devices for drones that allow you to facilitate the process and make a large hole even:

• Conductor for drilling. Such a device is a case in which there are several bushings for drills of different diameters. The material used to create bushings has greater firmness than drill, so you can not worry that the tool will begin to deviate to the side during drilling and expand the hole.
• Drill guide. Such a product allows you to fix the tool so that during drilling it does not deviate to the side. In the absence of such a product, the tool can go aside, which will lead to the creation of an uneven edge. It can also be fixed at an angle. But when drilling metal products, this is usually not required.
• Drill stand. A similar product made by yourself can be an inexpensive replacement for a drilling machine, as it allows you to more comfortably carry out work. The fixed tool when using the rack moves along the rod with a lever. At the same time, the displacement is completely excluded, since the drilled workpiece is reliably held due to the presence of a clamp.

Using these products, you can greatly facilitate the process of drilling metal products.

How to cut a circle in metal as a corner grinder

To cut the smooth circle of metal with a corner grinder, take into account the following recommendations of the masters.

• If you have, use diamond circles for metal or wheels with carbide teeth.
• To cut out of sheet metal as a smooth circle of corner grinder as possible, work at low speeds.
• Treat the seats with anti.corrosion compounds.

Фотография : вырезание круга в металле угловой шлифмашинкой

How to cut a circle in metal as a corner grinder. basing

How to cut a circle in metal: the best methods and valuable tips

Any design, for example, in your home, in production, involves working with metal.

Often, at one time of the operation of this material, the question may arise: how Cut the circle In metal?

It deserves attention, since the complexity of the process of performing the work is not the quality of its result does not directly depend on the choice of the correct tool.

How to cut a circle in metal. a metallist directory

How to cut a hole in the metal at home

In the metal, you can cut any holes exactly everything thanks to such modern cutting methods as plasma non.laser cutting metal.

Unfortunately, for home workshops, such high.precision equipment is a luxury if they have to use other methods, some where they are quite extraordinary.

How and what to make a hole in the pipe made of different materials. profiles

During the construction of pipelines, sewage laying and other work, the need to make a hole in the pipe of a certain diameter and shape periodically. On the one hand, this is a simple job that can be performed by beginners on their own, on the other hand, in any process there are their own nuances and difficulties, which are desirable to know about in advance. How to drill a hole in a pipe

Preparation for work

To drill a hole in the pipe, you must:

Necessary equipment

Cutting holes in the pipes is carried out using:

• ordinary drill or special professional tools. A special machine is used by people whose profession is associated with the installation of pipelines. For home purposes, a drill is enough with a revolutionary control function and a set of various drills;

Professional equipment for cutting holes

• vise for fixing the pipe;
• a file that, if necessary, can expand the hole;
• a hammer. With this tool, small diameter holes are pierced;
• wooden bar or a home.made template that fixes the drill in a given position.

Nuances

Before the work, it is recommended:

• Determine the type of material used for the manufacture of the pipe. Each material has its own characteristics that need to be taken into account.
• Find out the thickness of the pipe wall. The larger this parameter, the more powerful the equipment is required. When drilling a through hole, the outer diameter of the pipe must also be taken into account.

The main sizes of the pipe required to determine the dimensions of the drill

• To give the drill additional stability, a wooden block or a special template is used:
  If a bar is used, then it is necessary to drill a hole of the desired diameter in it and fix the finished structure at the location of the hole in the pipe. The width of the bar (approximately 50 mm) will be a fixer of the drill and will not allow it to deviate from a given direction;
• A homemade template is also made from a wooden bar. The main difference between the structures is that the template contains several prepared holes of different diameters and is equipped with fasteners, and the bar must be prepared for each hole separately.

Device for drilling holes in pipes

• When drilling metal and cast iron, the drill can overheat, so it is recommended to periodically moisten it with cold water;
• You can use exclusively sharp drills that are most suitable for specific material.

General drilling scheme

Drilling holes in a metal pipe, including in a profile pipe made of metal, is carried out according to the following scheme:

Giving the pipe immobility using a vice

• If you need to cut several holes, then the pipe is preliminary marking. For this, roulette and marker are used;
• A prepared bar or template is installed in place of the hole;
• The drill is wetted in water to prevent its overheating;
• Drill is produced.

When working with metal pipes as additional lubrication and protection from overheating of the drill, it is recommended to use:

Features of work on cast.iron pipes

Drilling holes in a cast.iron pipe requires:

• compliance with all safety standards. Since small shavings can form during the operation, in addition to protecting the eyes and hands, it is recommended to use a respirator or gauze bandage. In addition, in the room where the work is carried out, high.quality ventilation should be present;
• It is recommended to drill a hole in a sewer pipe from cast iron at low speeds of a drill. The capacity of the equipment can be gradually increased;
• For drilling a cast.iron pipe, the best choice will be a drill with winning attacks.

Tool with a winner for drilling cast iron

Features of work on plastic pipes

Cutting holes in plastic pipes, for example, in a drainage pipe is the easiest task. This does not require special equipment for this. All work can be made a simple drill.

When drilling PVC pipes, there are features:

• Cutting holes should be cut at minimum drill speeds, since under the influence of high temperature the pipe can be deformed;
• If even and neat holes are required, then after drilling it is necessary to finalize them with a small file or a sharp knife.

Drilling holes of large sizes

Now consider how to cut a hole under the pipe in the pipe or how to make holes of large diameters. For this you need:

• fix the pipe and mark it;
• according to the above diagram, drill a hole of a small diameter;
• put a special nozzle on the drill for drilling large holes;

A device for drilling holes of large diameter

• insert the central drill into the prepared hole;
• neatly, first at small revolutions of the tool, make a hole of the desired diameter.

If a hole is required in size from 5 mm to 10-15 mm, then the use of special nozzles is not required. It is enough to first drill a small hole, and then, using a larger drill, bring the hole to the desired size.

Cutting square holes

Square holes are most often cut into a square pipe for connecting areas into a finished structure. There are several ways with which you can make such holes. The first is as follows:

• On the pipe section there is an area and dimensions of the future hole;
• The first stage is a cutting of a round hole of a small diameter according to the above scheme;
• Next, a drill or nozzle of a larger diameter is selected, which is most suitable as possible in size inscribed in a square of a circle;
• a round hole of a large diameter is cut;
• With the help of files of different sizes from a round hole, a square (rectangular) section is made.

Safe work with corner grinding

It is the corner grinder that is most often used to cut circles in metal at home, t. to. This instrument is most widely used. Let’s talk about important features of proper processing of workpieces.

Preparation for work

• Put on protection. You will need:

• Clothing from dense fabric;
• Protective gloves (cotton accessories are not recommended; they do not provide reliable protection and are easily ignited, protruding threads can be wound on rotating mechanisms);
• protective shield or special glasses;
• respirator (optional).

Фотография : Защитные одежда и аксессуары для резки металла угловой шлифмашинкой

• Remove all combustible materials and items that sparks can get to.
• Securely secure the workpiece, for example, in a vice or with a clamp. It is forbidden to hold the part in hand or press.
• If you fix the new disk, first scroll it idle at maximum speed. So you will see the lack of marriage.
• Before cutting a circle in the metal, it will install a protective casing and adjust it to the corner grinder.

Safe and proper cutting of metal with a corner grinder

• During operation, sit so that the face and most of the body (if possible) are not in the plane of rotation of the disk.
• Keep the tool as hard as possible.
• Avoid sudden movements. Cut the metal smoothly.
• Cast replacement is performed on fully stopped tools.
• Before service, turn off the equipment from the network.
• Take breaks (20-30 minutes) every 6-7 minutes of continuous work. This will extend the service life of equipment and consumables.
• Use lubricating and cooping liquids. To cut a flat circle of metal with a corner grinder, simple water is perfect. If you cut aluminum, use kerosene.
• Do not press on the corner grinder. This leads to overheating of the tool and breakdown of the disks.

Completion of work

• Wait for a complete stop of a rotating mechanism.
• Put the instrument with the disk up.
• Disconnect the corner grinder from the network.
• Make sure the lack of smell of Gary.
• Remove the disk (if necessary).
• Put the tool for storage.

Фотография : Отличный способ хранить угловую шлифмашинку

Cutting a circle in thick metal

In order to outline the exact contours of the figure that will be cut out of the metal, you should use the ruler, the marking circul and the marker.

At first, with the help of a ruler, the necessary width of the compass of the circul is set so that it corresponds to the required diameter of the circle.

Then, on the metal plane, the central point of the circle is determined.

The contours are outlined from it with the help of a circul.

So that during the robots they are clearly visible, they should be drawn with a marker.

The use of a gas cutter

The circle in metal of medium thickness can be cut using a gas cutter. The work takes place in several stages:

• The circuit circuit is planned.
• The instrument burner is lit.
• The burning torch is regulated.
• Neatly and slowly with a torch is carried out according to the drawn drawing.

This method can cut a hole in the metal, which has a width of about four or five millimeters.

Safe work with corner grinding

It is the corner grinder that is most often used to cut circles in metal at home, t. to. This instrument is most widely used. Let’s talk about important features of proper processing of workpieces.

Preparation for work

• Put on protection. You will need:

• Clothing from dense fabric;
• Protective gloves (cotton accessories are not recommended; they do not provide reliable protection and are easily ignited, protruding threads can be wound on rotating mechanisms);
• protective shield or special glasses;
• respirator (optional).

Фотография : Защитные одежда и аксессуары для резки металла угловой шлифмашинкой