What disk to cut glass with an angle grinder. Mechanical tools

Cutting glass with a diamond wheel

Cutting with diamond and metal discs. Large workpieces, cylinders, bottles and large-diameter tubes can be cut well with a diamond or metal disk using abrasive materials.

A metal disk with a copper cage with diamond crystals pressed into it is put on the glass-cutting machine (or the spindle of lapping machine). A pipe is inserted above the disc and connected to the water supply so that the water flows to the place where the disc cuts the glass. A ditch with a pipe for water and abrasive is installed under the disc. Turn on the cutting unit, giving the disk a speed of 4,000 rpm. The part to be cut should be slightly pressed to the disk and carefully rotated to form a cut not reaching the inner wall of the tube, cylinder or bottle.

Rotate the kerf evenly until the two halves of the part to be cut are separated. Tubes and small-diameter workpieces can be cut directly in two parts without turning the workpiece. To avoid breakage of the disc or part, do not apply too much pressure on the disc.

Ryobi Angle Grinder as a POLISHER?

Instead of the diamond disc (80-120 mm in diameter and less than 0,5 mm thick) you can use corundum disc of 80-120 mm in diameter and 1,5-2,0 mm thick. It is also possible to cut glass tubes, cylinders, bottles and other details with brass or iron disk with thickness of 1-1,5 mm and diameter of 100-150 mm using abrasive suspension The metal disk is put on the lapping machine spindle. A funnel is attached to the stand with a rubber tube clamped on the end. A mushy abrasive suspension (abrasive 12, 10 for thick-walled tubes or micro-abrasive powder M-14, M-20 for thin-walled tubes) is poured into the funnel. The rubber tube is installed in such a way that the abrasive slurry flows down by drops onto the metal disk, which rotates counterclockwise. The tube or the workpiece is taken with both hands, brought carefully to the rotating disk and the circular cut is made by uniform rotation, which does not reach the inner wall. Repeat the revolution until the notch is deepened in a circular motion until the two parts of the workpiece separate.

Cutting with a metal disk can also be performed in another way. In this case, the part or workpiece is rotated by making dotted cuts on the circumference of the workpiece with the disc, leaving an uncut area of 5 to 6 mm between the cuts. After the appropriate number of cuts are made on the workpiece, the non-cut gaps are cut and the ends are separated, which are then ground on the grinder’s faceplate.

To process such a fragile material as glass, a special cutting tool is required. Of course, glass cutters greatly simplify the process of cutting, but to cope with their work, you can also use other improvised objects. If you are faced with the need to cut glass, and you do not have at hand a glass cutter, we advise you how to replace it.

general characteristics of the tool

Angle grinder, like many other power tools, has removable elements. This allows the angle grinder to carry out a wider range of works. Diamond disc for the angle grinder requires grinding or just timely replacement. So from time to time it is simply necessary to buy new replacement bits.

It is worth noting that there are simple and diamond discs for the angle grinder. The latter option is stopped more often, as it is a more durable piece of equipment. However, depending on the volume of work, you must also choose the characteristics of the drives.

The more load it will be subjected to, the more durable and more expensive the tool. It is also important to consider at the outset the conditions under which diamond discs will be used. For each type of material, the appropriate type is used.

Choice of equipment for cutting tiles

To understand how to cut tiles with an angle grinder without chipping, you need to figure out the criteria for selecting the tool. Since the cladding is fragile, it is best to work with a small machine of up to 1 kW. Here will also be relevant the possibility of adjusting the speed mode. A reduction in RPM may be necessary to eliminate the risk of chipping and cracking. As a rule, the work takes place at 3-3,5 thousand. rpm.

Regarding interchangeable tooling, it is recommended to choose a circle of 125 mm. A blade with a small diameter allows for more precision work. However, it is worth considering that productivity and working life will be higher with tooling from 150 mm. That is, for a large-scale project, it is better to consider larger cutting-off wheels. But this decision has to be made taking into account the simultaneous increase in weight of the power tool.

Consider what disc for an angle grinder to cut ceramic tile or porcelain tile. craftsmen usually opt for a diamond-powdered steel model.

The thickness of their cutting edges is over 2 mm. Thinner wheels are installed in machine tools, but in the case of manual grinding wheels, there is a high risk of damaging the tooling or the facing blade. The reason. jerks and impacts.

The following variants of diamond discs can be used for cutting material:

  • Segmented. The cutting edge here is divided into several sections by small slots. The edges are sprayed with synthetic diamond. Similar blade design allows the blade to cool, which extends working time (run-in) up to 1.5 minutes. A break should be made at idle for 20-30 seconds. Application. dry cutting.
  • Solid. Circle is solid, with a diamond grit edge. This disc is better for cutting lines and results in a cleaner cut. Water is required for cooling effect. the tile can be dampened.
  • Combination. This is a universal ceramic tile cutting blade for angle grinders. Inferior to segmented in working time, solid in accuracy.
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Masters recommend to consider cutting circles, taking into account the height of the facing material. Working life is greater if tile thickness is less than sprayed edge width. This way the diamond grit lasts longer.

Density and size of synthetic coating to be considered in addition to the above mentioned. Especially if you plan to cut porcelain tiles or thick tiles., more work is expected. In this case, choose wet cutting discs with relatively coarse diamond grit.

Safety precautions

Any cutting disc must be replaced if it becomes damaged. It is easy to spot them. there are sparks from contact between the steel and the ceramic. This phenomenon can lead either to chips and cracks in the tile or to a disc breakage during work. The latter is dangerous for the operator. Some craftsmen try to correct the situation by grinding the defect and continue working. But such tools are already qualified as defective.

Before sawing tiles with an angle grinder without chipping with a diamond disc, you need to protect yourself from large amounts of dust during dry cutting. Not only gloves and a respirator are needed here. It is also necessary to use goggles and a tool protector. Some craftsmen remove the latter for better visibility, which increases the risk of injury from accidental sparking. Here the solution is a contrast marker or drawing a clear scratched markings (you can use a rod glass cutter).

How to cut a mirror without a glass cutter

All around us mirrors: in the car, bathroom or woman’s cosmetic bag, are by their structure regular glass with a layer of metal on the back surface. Cutting mirror-coated glass is virtually the same as cutting regular glass and can be done with a regular glass cutter or the methods given above. When there is no special tool at hand, the most effective cutting tool is a file or a diamond disc. Let’s take a closer look at how to cut a mirror at home without a glass cutter, with the help of improvised means. First of all it is necessary to prepare a surface: to wash, degrease and dry it. The mirror must be clean, without any stains or streaks. Otherwise, the line for the trimmer of the cut can be hung and the chipping will be uneven. The working surface where the cut will be made must be flat and not very hard. You can put a thick cloth or a piece of linoleum on the table.

After preparing the material and the workplace, mark on the mirror the trimmer line for the future cut. It is better to make straight lines on a ruler or rail with a height of at least 5 mm. To stop the stop not slipping, you can glue a strip of duct tape to its underside. Then you need to take a file, an angle grinder or other tools, and make the cut by the line you have marked. A more detailed process of the different cutting methods is written above. When the cut is ready, it is only necessary to break the mirror in the proper place. To do this you can put a small object (match, pencil, nail) under the trimmer line and press slightly from both sides. You can chip the glass on the edge of the table or gently tap with a small metal object (a drill or a spoon) from below. If the glass does not break, there is no need to press very hard. It is best to make a second cut within a couple of centimeters of the first.

The above techniques are “all right to life” and produce good results if handled well. You may not be able to get an even chipped glass cut the first time you cut it without experience. Before you start working on the base material, we recommend that you try your hand at unnecessary splinters first. But if you want to get a quality cut without a lot of practice, it would be better to buy a roller or oil glass cutter. Save this page on your social networking site. You may not be able to get an even chip the first time you cut the glass.

Every man has probably ever had to replace broken glass. Marking new glass is easy, but cutting it accurately is not. Cutting glass at home requires only special high quality tools.

Tips for Selecting a Disc

There is a wide range of discs for angle grinder on the market. The large number of manufacturers and technical parameters makes it difficult to choose. There are universal rules to follow:

  • Do not buy the cheapest discs. According to a well-known saying. a stingy person pays twice. In the case of angle grinder discs. three times. Cheap discs have an extremely low resource, break easily, may have poor geometry and disc material of uneven density, so they “fly apart”, leaving a sharp tooth on the disc, which can cause serious injury if the operator can not hold the angle grinder in his hands.
  • You should buy the hardest drives. It will reduce usability, you will have to put more pressure on the disc, but they last much longer and break much less often.
  • Reviews are the best source of reliable information about a particular disc model. If you cannot find them in one store, you should look for them in another one.
  • Many types of discs are positioned as universal, but in fact they are specialized. For example, roughing discs for metal are used mainly for welding work. Roughing is done at an angle. it is a long and laborious process. If you need a disk for a simple scraping of rust, it is faster and cheaper to do it with a grinding wheel with blades. You can always get information about atypical applications of a particular disc from reviews.
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Diamond cutting disc. cut stone like a charm.

Let’s continue to deal with tools and tooling and today I will tell you what you need diamond cutting disc, what kinds there are, and let’s run through the and manufacturers in order to know what discs to buy. I hope each of you has an angle grinder. an indispensable tool for most jobs where you need to cut or grind something. In this article, let’s take apart the discs for the angle grinder, because the stone at home can only be cut with an angle grinder.

Many people mistakenly believe that once diamond disk, they can saw everything, anything, and he did not do anything. This opinion is fundamentally wrong, first of all such a disk is designed for cutting stone. brick (silicate and red), concrete, marble, granite, slate, paving stone, tile and porcelain tile. Of course there are expensive professional discs for concrete, which cut concrete with rebar inside like butter, but they are very expensive, in my next articles I will tell you about them.

So, an ordinary diamond cutting disc for angle grinder is just for stone. By size I think you can not say, of course you know that diamond cutting discs are 115 mm, 125 mm, 150, 180, 200 and 230 mm. The average size is also rare, most often people have an angle grinder to 115-125 mm. small angle grinder and 230 mm. a large angle grinder. So what kinds of diamond cutting discs are there, let’s find out, because many people, when they want to buy a diamond disc, don’t even know what kind they need and what they can cut. For your daily use in everyday life, the segmented diamond wheel is the perfect choice. In the photo below you can see how it looks like.

Segmental diamond blade for dry cutting

The disk is in the form of segments on a circle. it is necessary for cooling the disk. Remember once and for all that a diamond disc needs to be cooled, because only then it will last a long time. Many people buy a disc for dry cutting and saw a continuous trimmer line in concrete with it for 10 minutes without stopping. this is a major violation of the rules of operation of a diamond disc. If they saw with it for at least 3 minutes the diamonds will immediately become unusable. So try not to saw continuously more than 2 minutes, and even better not more than 1 minute. You sawed for 30 seconds, took the disc out of the kerf, waited until it stopped, then saw again.

on a side note: A thousand ways to use centering

A disk for dry cutting can saw any bricks (white, red, fireclay), slate, paving stone, asphalt, marble, granite (I immediately noticed that the natural stone should be sawn with special circles, but as an option you can cut with such, if not constantly). Also with a certain amount of skill segmented diamond disc can cut tiles, although for tiles there are special diamond discs. solid for wet cutting. Segmented discs are not very good for cutting tiles, they jump around because of their segments. You need a solid disc for tile.

The second most popular disk is a combined disk, “turbo”. as you see in the photo below, it is solid, but the cooling is due to the wavy design. You can cut any stone with such a disc, it is more universal, but costs more than a segmented disc. Such a disc can cut tiles without any chips, even dry. It is also convenient for sawing brick and any other stone.

Since we are considering diamond cutting discs for home use I won’t tell you about the expensive, super mega quality professional discs, but we are going to analyze inexpensive discs for home use. After all, many people buy them just once, and then it lies idle on a shelf in the garage. Why pay a lot of money if you only need to cut a couple of times? So we’ll save our money.

Of the best-selling and most popular household diamond wheels, we generally switched over to them, because they are fully in the price-quality category, moderately expensive and the quality is very good. Also not bad circles and “Matrix”. well-known household brands, inexpensive, for the home is the best.

I am often asked if it is possible to cut iron with a diamond wheel?

I answer. you can, I saw it myself, but only when the diamond disc was not mine, but my employer’s)) If I bought the disk for myself, I would not cut iron, because diamonds of the cutting disk get clogged with iron dust very strongly, much faster than stone dust. And in general, the instructions of some models is written in black and white. do not cut metal! Of course, if you have to cut fixtures and you don’t have a cutting wheel for metal at hand, you can make a couple of cuts with a diamond wheel, but no more than that.

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Also as a side note: GOI paste. everything you did not know

But is it worth buying a diamond cutting wheel when you can buy an ordinary stone cutting wheel??

This question can also be asked. Answer. It all depends on what you plan to cut and in what volumes. Discs-dry cutters for stone (Luga green), cost 35 kopecks, but they are just fine cutting a sand-lime brick (white) and marble. They cut right through like butter. So my opinion is that you should not buy a diamond wheel for cutting white bricks. On the other hand if you plan to cut a lot of sheet metal then it is better to buy diamond cutting tool. You can save money because it is unbreakable and simple dry cutter gets worn out (in case you didn’t know)). If you need to saw a red brick. it is very tough, simple circles on the stone it burns instantly, as well as accurately and on concrete, so there is only one option. to buy a diamond disc, preferably segmented.

disk, glass, angle, grinder, tools

115 mm. 170 125 mm. 200 230 mm. 650

If you treat your diamond cutting disc with care, it will last a very long time, especially when used at home.

Cutting wood, plywood, laminate with an angle grinder

To cut wood, plywood or laminate with an angle grinder, the appropriate discs are used. They are designed especially for high speeds. But the best suitable discs are seldom available on the market.

Cutting wood

Special wood discs have lateral teeth that increase the size of the cut. Always cut wood carefully. Board thickness should not exceed 4 cm.

Cutting wood with an angle grinder is a very dangerous activity, during which it is easy to get hurt. It is strictly forbidden to use circular saw blades, because they are designed for operation at speeds not exceeding 3,000 rpm. If jamming occurs, then such circles can be destroyed. This is due to the fact that they are made of hard, but relatively brittle steel. Also, do not use accessories with big teeth, because it is more likely that they will catch and the wheel will jam. In this case, the probability of pulling the power tool out of the hands increases many times.

10 Amazing & Useful Angle Grinder Disc !!!

If, despite the increased danger, it has been decided to saw boards with an angle grinder, then the following recommendations must be adhered to.

To best protect the work process, the angle grinder should be used as a circular saw, fixed in a stationary (stationary) position. The tool is then clamped to the bed with the guide rails. When sawing, feed the material to be cut in the same way as with the circular saw.

The main disadvantage of this method of cutting lumber is the relative complexity of its implementation from a technical point of view.

Sawing laminate and plywood

To saw laminate, use circles on metal, concrete, designed for cutting ceramic tiles, as well as fine-toothed on wood. When working it is recommended to adhere to the following rules:

  • Sawing should be performed from the front side of the lamellae, so as not to leave chippings in the place of the cut;
  • Due to the formation of large amounts of dust and the unpleasant smell of burning material to work in a well-ventilated room;
  • To get an even cut, the lamella should be stationary.

To saw plywood, use wood discs. Sawing is performed along the pre-marked line. thus it is necessary to take care that the circle in front of the end will not get jammed with a fragment of the plate that is being sawn off.

Features of working with different types of glass

If you are working with ordinary glass, there will be no difficulty in cutting. Both glass cutters and simple scissors will work well for this purpose. And if for the manufacture of products you use glass with a complex configuration, then things are more complicated. Peculiarities of the work will largely depend on the properties of the materials:

  • Tempered glass. in general, at home, this material is better not to cut, otherwise it will simply lose its properties. But if you need a product with elements of such material, and you will need to make it with your own hands, it is better to cut in advance. And remember that here it is better to entrust the work to specialists, because the hardening process takes place only under a number of conditions;
  • The corrugated material. patterned glass cloths are often used for glazing doors or creating decorative interior solutions. But unlike the hardened material you can cut this one at home too. The work process is not much different from cutting normal glass, but as mentioned earlier, you should only cut from the smooth side and preferably with a roller glass cutter;
  • acrylic or organic material. it is a transparent plastic made of synthetic resins, but is still called glass. No special tools are needed to cut such materials. At home, you can use a cutter, a metal saw, and other edge tools for this purpose. And if the thickness of the material is 2 mm or less, you can cut it with a simple office knife.
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