Stone cutting machines with free abrasive have a number of advantages over machines with diamond cutting wheels. Abrasive options are cheaper and can be used for cutting large stones. The only drawback is that the cutting process is slower than using diamond blades.
Machines with free abrasives are:
- With disc-shaped canvases
- With ribbons
- With wire panels
What follows is a complex classification of the above machines. But we'll leave it out. Let's take a better look at the typical options for stone cutting machines.
Wire based machine
The machine using wire to cut stone is still being rapidly used in many countries. The main advantage of using this machine is that the size of the stone to be cut is practically unlimited. There is only a limitation on the size of the arc onto which the wire is stretched.
We hope that this article will be useful to you, dear readers. Thank you for your attention!
Last summer was quite productive in terms of various crafts. All summer we worked on three projects at once: a new model of a ski lift, a generator and a stone-cutting machine. Today I’ll tell you about the stone-cutting machine. This machine is necessary for my brother, who is seriously interested in petrified trees. In the future, this machine will be intended for sawing petrified trees.
Before starting work, I had photographs of similar machines at my disposal, and I was able to visit a stone-cutting workshop, where they showed me a working machine. I had a good idea of the structure and operating principle of this machine, and thought through the design of a homemade machine. I wanted to make a convenient and compact machine, and I think it worked out in the end.
My brother already had some work: a single-phase motor with a power of 0.75 kW was purchased, a hub for bearings and a shaft was machined. The engine and hub were located on the same platform.
The hub was made with a large margin of safety, and as a result it had considerable dimensions. Because of this, a significant part of the saw blade is “eaten up,” and large-diameter blades are expensive. I decided to make a hub of my own design, using UCP-205 housing bearings. These bearings have proven themselves in ski lift operation.
The frame is welded from corners and a rectangular profile. The frame resembles a rectangular parallelepiped. Overall frame dimensions 600*400 mm. After making the frame, I cut blanks from 3mm sheet iron for the future water tank. The water tank is designed to cool the saw blade.
The final layout of the machine components has begun.
True, during the work we had to cut off one stand, since it interfered with the electric motor pulley. Later the stand was replaced with a corner. And in general, the racks could also be made from corners. After carrying out the basic welding and assembly work, the future machine looked like this.
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As I wrote above, UCP-205 housing bearings were used in the hub. The shaft is machined from the axle shaft of a ZIL-157 car. True, the workpiece had to be annealed; the lathe was too tough for such an axis. Then I immediately remembered Soviet quality.
Having made the necessary calculations, I came to the conclusion that the engine speed would be enough to cut stone and the disk would not fly apart, so the gearing was 1:1. A three-strand aluminum pulley for the walk-behind tractor engine shaft was purchased. From this pulley two pulleys were made for a stone cutting machine.
The machine table top is made of 3 mm sheet iron. The tabletop is attached to the frame using 17 M6 bolts. The bottles have a countersunk head, and holes of the required diameter and depth are drilled on the tabletop, thanks to which the caps are not exposed above the surface.
This is what the machine looked like after the first painting. Painting using an aerosol can.
The side walls of the machine are covered with a stainless steel mesh with a fine mesh. The mesh is fixed with aluminum angles and M6 bolts.
The most important moment has come - testing the machine. Photos and videos show the first cutting of petrified wood on this stone cutting machine.
There are minor modifications to be made: installation of a protective canopy over the saw blade, installation of a protective casing for the electric motor. Don’t forget about grounding when working with this machine; after all, there is water next to the engine.
During the first test, it turned out that only a little water needs to be poured into the tank so that the saw blade goes 5-10 mm into the water, otherwise there is a strong splash of water and working on the machine becomes dangerous. Using this stone-cutting machine, using a large saw blade, you can cut workpieces up to 90 mm thick. The water tank is removable, this is necessary for washing the tank from residual stone particles.
To obtain a stone of a given size, a stone-cutting machine is used. Such equipment allows you to process durable materials and at the same time maintain their integrity. If you often do stone work at home, that is, processing, then you are unlikely to be able to do without such equipment. Nevertheless, it is not at all necessary to buy it, because you can try to assemble the machine from scrap materials, but if something is missing, you can always buy more, it will still be cheaper.
Original roofing and designer roofs
Today we will talk about how to make a homemade stone-cutting machine yourself from scrap materials with your own hands at home in order to cut or saw any type of natural stone.
We will also consider drawings of machines for sawing and cutting stones, which you can make yourself. HOMEMADE STONE-CUTTING SAWS. The “heart” of any stone-cutting machine is the spindle - the place where the cutting disc is mounted and the support that feeds the sample to it.
The support for both units is the coolant tank, which must be rigid enough to ensure that the location of these units relative to each other remains unchanged during the sawing process. Such a tank is best made from clad sheet steel 3 mm thick, welding the joints. But you can also make it from boards or thick (12 mm) plywood, lining the inside with sheet metal soldered at the joints. Well made, they are almost as good as all-metal tanks. The spindle is attached to the side wall of the finished tank using bolts and washers. If the walls of the tank are made of wood, large washers should be used to prevent the wood from being pressed down and the bolts from becoming loose. A stone clamp is just a block of solid wood with a cross-section of 50 x 100 mm, at one end of which a regular door hinge is attached as a hinge.
The stone is clamped using long bolts with wing nuts. Since the loop cannot move in the longitudinal direction, it becomes necessary to rearrange the stone in the clamp more than once. But if you fasten a piece of pipe across the tank, along which a sleeve slides, connected to this block by a lever, then you can cut off several plates at once without rearranging the stone in the clamp. Of course, great accuracy cannot be achieved here, but with some skill you can get good results.
The machine parts also include a 0.25 hp engine. pp., V-belt and protective cover. The back wall of the latter should be made of some kind of metal sheet, and the side and front sides should be covered with strips of fabric that could be raised to observe the sawing. The finished machine and motor are installed on a common base, with sheets of sponge rubber or felt placed under them to reduce noise and vibration. A machine for cutting and grinding stone can be assembled on the basis of an electric sharpener or an electric drilling device. Such a device has two shaft outputs, one equipped with a cartridge (caliper), the other with an emery wheel or a special faceplate with diamond or other coating. Device power 0.25 kW, rotation speed 2800 rpm. For stone processing, other electric motors can be used in the power range from 0.25 to 0.5 kW and speed from 1500 to 3000 rpm.
A box with a hinged lid can serve as a stand for the machine. The machine is attached to the cover with bolts. The hinged cover allows for some operations to install the machine in a tilted position.
A side table is attached to the box on the chuck side. Its height is adjustable so that you can work with cutting wheels of different diameters. The side table has a guide bar made of a 30 x 30 mm duralumin corner. A protective guard for the cutting wheel is installed on the side. A middle line is drawn along the table and the protective fence, which helps to orient the stone when cutting.
To soundproof the machine, the bottom of the stand box and the supports of the side table are covered with rubber or felt.
A tray with water is placed under the machine table attachment to cool the cutting wheel. To reduce friction, you can add a soap solution to the water. The second water pan is installed under the faceplate. Homemade stone-cutting machines can be of an improved, unusual design. The main thing is to follow safety precautions when working with stone. The principle of operation of a stone cutting saw is the same as that of wood saws, but we must remember that minerals are much harder than wood and therefore working with them requires special techniques that need to be learned. A good diamond saw cuts soft minerals at a speed of about 5 mm/min, and harder and tougher minerals at a slightly lower speed. A wood saw travels the same distance in seconds. Because diamond cutting blades are much thinner and many times more expensive than wood saws, they must be handled very carefully to avoid jamming, bending and breaking. Very high demands are placed on the precision of manufacturing stone-cutting saws. This is a subtle technique.
If the size of the stone is more than 50–70 mm, holding it in your hands when sawing is impractical - it is inconvenient. But stone is a natural material, so it rarely has a flat surface and cannot be placed firmly on the saw table. It is necessary to use various clamps so that they firmly hold the stone and prevent it from turning or shaking. The clamp is attached to a caliper that slides along guides to the cutting disc. The stone is fed slowly and carefully to ensure only the lightest contact with the cutting disc.
So, the main components of a stone-cutting saw are: the spindle on which the cutting disc is mounted; drive device for rotating the disk; support with clamp for stone; container for holding coolant and frame. Those who want to make a stone-cutting machine with their own hands need to know that the cutting discs must be installed on sufficiently thick steel shafts to maintain the rigidity of the structure and the accuracy of its operation under the influence of applied stresses. Small discs (up to 100mm diameter) can work well on 12mm diameter shafts, although 15mm diameter shafts should be preferred. For discs with a diameter of up to 400 mm, a shaft diameter of 18–25 mm is required. The end of the shaft can be of a smaller diameter if the rest has the same diameter.
The discs are secured with flanges on both sides to ensure rigidity and uniform rotation. Thin discs require larger flanges than thicker discs. For a disc with a diameter of 112 mm, flanges with a diameter of 75 mm should be used; for 200 mm discs – flanges 37–50 mm; for 300–400 mm – flanges 75 87 mm. In some cases, when it is necessary, for example, to cut thin slots with great precision, the flanges may only be 12 mm short of the edge of the disk.
All parts of the machine table (body, enclosing visor, bath and top plate) can be glued together from plexiglass, only for the body and table you need to take plexiglass 5-6 mm thick - this will make the structure rigid and durable. It is better to supply water through a copper tube with a diameter of 3-4 mm. You need to bend the tube in a semicircle, solder a supply fitting from the same tube to it and put a rubber hose on it to supply cold water. The tube should cover the diamond saw on both sides. During cutting, the stone is held with both hands, tightly fitting to the table, which eliminates skewing or “jumping” of the stone, and with light pressure it is passed through the saw. You can cut the mineral into plates of a strictly defined thickness on a machine with a stop located to the left of the cutting wheel. The position of the stop determines the thickness of the plate. The stone is pressed against the stop with the right hand and pushed through the saw.
It is especially convenient to hold the stone with two hands when cutting agate tonsils and irregularly shaped minerals. However, you need to be very careful when turning the stone so as not to accidentally warp it and break the saw.
To give the stone a stable position, its edge is ground (cut off). The resulting support pad is pressed against the stop and passed through a diamond saw. You can also place the stone in a cardboard box, fill it with cement or plaster and, when it hardens, cut it. Upon completion of sawing, the fixing cement and plaster must be carefully removed. If you have to cut a cracked stone, it is first treated with epoxy glue and allowed to dry. You can extend the service life of a diamond cutting wheel by installing angular contact bearings on the machine shaft, which will relieve the shaft from longitudinal and transverse play, as well as by using a piece of emery wheel, which will minimize the eccentricity of the cutting wheel. When the machine operates, a lot of sludge is generated (a mixture of abrasive and stone waste). To prevent it, along with water, from getting onto the bearings and other rotating parts of the machine, you need to cover them with a screen, gasket, etc. To manufacture a cutting machine, it is necessary that the rotation frequency of the diamond cutting wheel be equal to 1500-2500 rpm at a peripheral speed of 15 —25 m/s. Weak, cracked stones are best cut at low speeds (1000-1500 rpm). The optimal grit size for a diamond cutting wheel is 250/200, 200/160, 160/125 and 125/100. It is not advisable to use wheels with a smaller grain size in amateur practice due to the sharp increase in cutting time.
Now about the design of the cutting machine. A home machine is a lot of compromises and simplifications compared to an industrial one, but it also has strict requirements. The most important of them is to minimize the eccentricity of the cutting wheel on the shaft, the eccentricity of the bearing shafts, longitudinal and especially transverse play of the shaft (good results can be obtained using angular contact rolling bearings). These measures will significantly extend the service life of the cutting wheel and avoid nail-like chips on the surface of the stone.
The shaft bearings must be protected from sludge that is formed during cutting and, together with the coolant, splashes and settles on the machine parts. Sludge has high abrasive and corrosive properties. Conventional felt or rubber seals do not protect the bearings enough; at a minimum, shielding protection is also needed. The easiest way is to make a machine in which the diamond wheel is mounted directly on the axis of the electric motor. The rotation speed of a circle with a diameter of 200 mm should be 2500-3000 rpm. With this design, the motor bearings need to be very precise (for example, plain bearings) and the rotor must be well balanced. Otherwise, such an expensive and rare tool as a diamond wheel will not last long. If it is not possible to purchase a good motor, you should choose a machine design with an elastic connection between the motor and the wheel.
V-belt transmission gives the best results. It absorbs hard impacts when the stone is distorted, allows you to remove the engine from an area of high humidity, and by simply selecting the diameters of the pulleys, you can obtain the rotation frequency necessary for good operation of the diamond wheel, regardless of engine speed. The design must be thought out so that it is easy to replace cutting discs without disassembling the machine. The diameter of the flange attaching the circle to the shaft can be small, only 8-10 millimeters larger than the diameter of the mounting hole of the circle. It is best to purchase a single-phase, asynchronous electric motor with a power of 180-230 watts. Such motors are used in household appliances and are always available for sale.
The coolant must be supplied to the circle from both sides, so that its entire surface is wetted. Usually it is supplied with two flexible tubes, slightly pressed to the sides of the circle. They are located closer to the axis and 30-40 millimeters above the line connecting the shaft axis with the center of the working section of the circle. When cutting, the coolant splashes, and you have to take care that it gets into the catchment area. When developing protection, you should remember that about 60-70% of the water is sprayed in the plane of rotation of the disk. The spread to the sides occurs at an angle not exceeding 5-10 degrees. The figure shows the direction of liquid expansion. It is most difficult to cope with the remaining 30-40% of the liquid, since it is this part that scatters quite evenly in all directions. Fortunately, the spatter generated where the disc enters the stone contains almost no sludge. The sludge comes out from below and sinks into the bath.
Good protection against splashing can be obtained in the following design. Here, in front of the bath, an apron made of polyethylene or oilcloth is attached, the upper part of which is fastened around the master’s neck. If it is made wide enough, then almost all the splashes flying outside the machine end up on the apron and flow down it into the bathtub. From the bath, liquid with sludge is removed from the machine through a tube (diameter of at least 10 millimeters). The amount of water supplied will have to be selected experimentally, but, as a rule, it is enough so that when the motor is not running, a thin stream flows from the circle (always on both sides) and does not separate into drops, at least during 3-5 centimeters of its free fall.
You should not make the machine particularly light; the greater its weight, the larger samples it can cut. It is best to mount the machine permanently. For example, in some nightstand. You can cut a stone either on a stop (table), pressing the stone against it and moving it along the surface, or without it, when you simply hold the stone with both hands. The advantages of the latter method are that you can completely arbitrarily select the cutting plane, regardless of the shape of the stone, and slowly rotate it in this plane, which speeds up the process by 2-5 times. The disadvantages include the relatively rapid wear of the tool (uneven development of the cutting edge) and the fact that it is quite difficult to keep the stone in the cutting plane. This technique should be mastered with caution, since if it is skewed, the stone can be knocked out of your hands and the tool can be broken. When working with a stop, the cutting plane is forced to be selected so that the stone rests firmly on the table and does not swing on it. Cutting with a stop is easier and safer in terms of tool breakage, the diamond wheel is better preserved, but the process is much slower. The stone is fed onto the wheel with slight pressure, this increases the cutting speed, but too much pressure leads to chipping of the diamond grains that have not yet been worn out. However, the skill appears quite quickly.
As already mentioned, stone can be cut without a diamond wheel, as was done before its appearance. For cutting, take a brass or copper disk and abrasive powder, supplied to the cutting site in the form of a slurry. Additional cooling is not required, since the heating in this case is insignificant. Any of the above-mentioned machines, in which the disk rotation speed is reduced to 200-300 rpm, is suitable for work. At higher speeds, loose abrasive will be thrown off the disc. Cutting takes a very long time, and to speed it up, it is advisable to make a device that automatically feeds the pulp and holds the stone. Here the stone is fed under the influence of its own weight and the weight of the lever on which it is rigidly fixed.
The other end of the lever rotates freely around axis AA, strictly parallel to the axis of the cutting wheel. Rotating, the cutting wheel passes through a layer of oil-abrasive suspension and carries cutting particles along with the oil. Considering the slowness of the process, you can attach a limit switch along the path of the lever to automatically turn off the machine at the end of cutting. In addition to the methods outlined above, stone is also cut with strips - straight blades similar to hacksaw blades. Strips are made of steel with a diamond cutting part. Strip machines are used for simultaneous cutting of stone into several plates. A frame with strips attached in parallel is lowered onto the stone block. The crank mechanism gives it reciprocating movements. The cutting field is irrigated with a liquid that cools, lubricates and carries away cuttings. Based on this principle, one can imagine different versions of an amateur machine that works not with a diamond tool, but with an abrasive suspension.
The most common method of feeding stone to a cutting tool. The opposite option is possible: the stone is fixed, a cutting tool mounted together with the engine on a swinging frame is fed.
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General information
Stone-cutting equipment, despite its simplicity, is quite complex, so before assembly you need to familiarize yourself with the theory. A diamond blade is used to cut the stone. The advantage of this solution is that, unlike a conventional one, it is more durable and durable. In general, all diamond equipment in construction is gradually occupying its niche, displacing classical tools. Apparently there are reasons for this.
So, you can make a stone-cutting machine with your own hands, but you need to understand that equipment of this type must have a number of mandatory qualities. Firstly, job security. Since we will be dealing with high-speed equipment, we need to pay special attention to this point. Secondly, reliability and quality. The tool should work for a long time and cut efficiently, remember this.
Main elements of the machine
The unit consists of several working units. They can be called classic. The fact is that the same units are used in any other equipment where rotational motion takes place. We have a shaft onto which the cutting disc is mounted. In addition, a pulley and a belt are needed to transmit rotational motion. Consequently, the transmission will be belt-driven; perhaps this is not the best solution, but clearly the most economical. If it breaks, it can be easily repaired by replacing the belt or pulley. The shaft is connected to the electric motor by transmission.
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In principle, these are all the working parts of a stone-cutting machine. Of course, if you are planning to make it yourself, then you need to take care of a flat platform on which the material to be processed will be placed.
Operating principle of the equipment
We can say that the essence of the work is not much different from a machine for cutting wood. The key differences are the shape and material of the disc, and the presence of a cooling system on the stone-cutting equipment. But despite this, you need to understand that stone is much stronger than any type of wood, so it is simply necessary to familiarize yourself with the general instructions for working with such equipment.
A diamond saw is a productive thing; it is capable of sawing stone at 0.5 cm per second, which is quite fast. The greater the strength and toughness of the material, the lower the cutting speed and its depth. It is also worth considering that holding the stone while working is not very convenient and unsafe. Therefore, special clamps sliding towards the cut are used. They eliminate shaking and rotation of the workpiece during processing. The feed should be so slow and smooth that there is minimal contact between the blade and the stone.
Safety regulations
Before cutting stone on a homemade machine, you need to worry about safety: provide fencing nets that limit access to the rotating units. Operator protection is also needed: guards, protective screen. In addition, the machine must be installed on a flat surface and be stable. There should be enough free space around it for carrying and turning stone slabs.
Important! The unit housing must have a reliable connection to the ground loop!
Making a stone-cutting machine with your own hands: stage one
Before proceeding directly to the assembly, we will need to acquire the necessary tools and materials. In principle, it is better to first decide on the engine. It can be removed from an old washing machine or bought used. Typically, a power of 180-250 watts is quite enough to work with stone. Such a motor can develop about 1,500 rpm. It is extremely important to choose the right pulley. It is desirable that it be two-stage with a gear ratio of 1:1. A gear ratio of 1:0.35 is also acceptable. In this case, it will be convenient to work with bulk abrasive, and in the case of 1:1 - with fixed abrasive.
Where can I get such a belt? It can be removed from the Zaporozhets car, where it is wedge-shaped and ideal for our task. The faceplate mounting thread can be either right-handed or left-handed, which is not of fundamental importance. The main thing is that during operation it does not fly off the axis.
Cutting, polishing and processing stone at home, homemade machine
Rings with radiant gems. Pendants, earrings, cufflinks and other jewelry with stones. Writing instruments, sculptures. Columns and plinths of buildings.
In all these cases, stones perfectly fulfill the role of artistic, sculptural and building material, and serve as the main detail of an artistic and applied composition.
Beautiful stones? But the most ordinary, ordinary, not precious. The stone does not reveal its beauty to everyone: it gives the most amazing things to the hardworking. And the work is to correctly cut the stone, grind it, polish it or process it according to the intended shape. For the labor spent on it, the stone will present a picture that it has preserved for millennia, it will come to life and sparkle with fancy colors and shades. And, once experiencing the joy of “discovering” a stone, seeing something amazing in it, a person inevitably falls in love with the stone.
Loving stone is one of the wonderful hobbies. Stone lovers collect all minerals, including ore rocks. But special attention is given to agates, jaspers, flints and transitional forms of these minerals. These seemingly ordinary stones are truly limitless in their diversity. And there are countless deposits. In Moscow itself, in Rublev, there are a lot of flints. In Dmitrov - agate flints. In Golutvin, a few minutes drive from Moscow, there are agates and flints. In Stupino, also near Moscow, there are agates and crystal brushes.
But in the whole country there are countless deposits that are interesting for stone lovers - these are the mountainous regions of the Urals, Transbaikalia, Kazakhstan, the Caucasus, Karelia, and the whole country.
But finding a stone is only the first stage. This is followed by processing. The stone is cut using so-called cutting discs, which are sold in diamond tool stores.
The cutting discs used by hobbyists have a diameter of 125 to 200 millimeters and are driven by a 160-200 watt motor through a belt drive.
The stone is cut at a peripheral speed of the disk from 20 to 30 meters per second. Be sure to have plenty of water cooling on both sides of the disk.
How to make a stone cutting machine at home
Grinding stone to obtain flat plates can be done on ordinary glass using abrasive powders.
A few drops of water on the glass and a small portion of powder - and you can start. During the grinding process, powder is added in small portions as the abrasive wears down, and water is added to maintain a creamy consistency on the glass.
When moving from large fractions of powder to smaller ones when grinding, the glass being ground and your hands should be washed with water, soap and a brush: if even a few large grains get into the small fraction of the powder, the work will be ruined.
After grinding, the stone is polished on a mechanical felt or felt wheel with a diameter of 150 to 200 millimeters. When polishing, you need chromium oxide powder and water. The rotation speed of the circle is from 400 to 700 rpm.
I only talked about one method of processing stone, but there are many of them. Stone lovers can be offered one of the rational designs of a machine for processing small-sized stones. The structure of the machine is clear from the diagram, so we will give only some recommendations.
As a motor, it is better to use commercially available electric motors for washing machines - single-phase, with a power of 180 to 230 watts and developing 1400 rpm. With such engine characteristics, the pulleys can be two-stage, with gear ratios of 1:1 and 1:0.35.
The first gear is convenient for processing stone on faceplates with fixed abrasive material, and the second is faster for processing stone with bulk abrasive.
For transmission it is convenient to use a V-belt from the Zaporozhets car. The faceplate mounting thread can be either right or left-handed, as long as the faceplate does not twist off its axis when working under load.
The size of the sludge collection trough should be approximately twice the diameter of the faceplate, and the height of the sides should be two centimeters higher than the surface of the faceplate. You can attach rubber to the side walls of the trough so that a stone that accidentally jumps out of your hands does not break.
Let me remind you that all stone processing is carried out with water, but the dropper on the machine is used only when working on faceplates with a fixed abrasive. When processing with bulk abrasive, it is best to wet the stone with water in a separate bath.
Of course, you should have a set of faceplates for the machine: cast iron, wood, metal with felt and felt glued on. This set is necessary for step-by-step processing and polishing.
We continue to carry out work
It is necessary to find a suitable container for collecting sludge. This can be any trough that you find in your workshop. Next, we make a table on which the workpiece will be placed, and install pressure plates along the guides. We place the electric motor under the table on a special panel. Using a belt drive, we connect it to the shaft on which the working part of the tool is mounted.
Any tabletop stone-cutting machine must be manufactured accurately and with high quality. The hole in the table for the saw should be at least 5 mm larger than its diameter. This will be quite enough for its smooth operation. By the way, don’t forget to connect an electric pump that will supply water to the workpiece. To do this, you can take the most ordinary electric pump (say, a car pump) and a suitable container. All this is installed correctly. All that remains is to check the reliability of fastening the disk and threaded connections, after which you can begin a test run of the equipment.
Manta stone cutting machines
If the desire to make something yourself is not as great as you would like, then you can always buy ready-made equipment. But here it is extremely important to choose the right manufacturer, on which both the build quality and, in fact, the cost depend. Now I would like to talk about the products of the Italian manufacturer, in particular about.
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For example, MANTA 85/220V is the cheapest machine of all offered. The cost of such an installation is about 100,000 rubles. In return, you will receive powerful and very productive equipment. We are talking about a 2.2 kW motor, which, of course, cannot be compared with a washing machine motor. The maximum cutting length is about 850 mm, and this allows you to process very large workpieces. The maximum disc rotation speed is 2,200 rpm, which is suitable for both artificial and natural minerals. The machine allows you to work with stone, the thickness of which reaches 180 mm, while the work is performed at an angle of 90 and 45 degrees relative to the table, which is very convenient.
Free Junk Tile Cutter
One of the stopping factors for doing tile work on your own is the lack of a tile cutter. This is a fairly expensive tool, the purchase of which for one-time cladding is impractical. You can get out of this situation by making a simple and cheap analogue.
Materials:
- ballpoint pen body;
- spent spark plug;
- knitting wire;
- hot glue stick.
Assembling the tile cutter
A fragment of a ceramic spark plug insulator will be used as a cutting element for the tile cutter. It is designed for high temperatures, so it undergoes strong hardening, which makes it harder than the tiles. To get fragments, you just need to break the insulator with a hammer.
Next, remove the tip and cap from the body of the ballpoint pen. All he needs is a pipe. A fragment is glued into its ends with hot glue. They need to be positioned so that they are turned with the tip.
If the fragment does not fit inside the tube, then it should be cut lengthwise.
The protruding ceramic part must be additionally secured, first with hot glue and then with wire.
The fragments are placed on both sides of the tube. When one is erased, you can continue cutting with the other.
How to use a tile cutter
A metal ruler, rule or other flat steel object is applied to the tile cutting line. You can even get by with a hacksaw blade. The ruler is fixed with your left hand, and with your right hand you need to run the tip of the tile cutter along its longitudinal edge. You should move from the farthest point towards yourself, while pressing firmly on the instrument. The tile cutter will leave a shallow, continuous scratch.
Next, the tile is broken along the scratch line. To do this, you need to hit it with a hammer wrapped in a rag placed underneath. You need to hit with force, holding the tile with your hands on both sides of the cut. The impact will cause it to split along the drawn line. The blow should be directed towards the middle of the scratch, but from the back side of the tile.
The tool works perfectly on regular tiles, but is powerless for cutting porcelain tiles. Even many factory-made tile cutters, not to mention handicraft tools, cannot cope with the latter. It will also not work well on relief decor, since often the tile ends up being burnt to fix the glaze on it. It does not break due to a scratch, but is only cut with a grinder with a diamond blade.
When cutting wall tiles, just swipe the tip once. Floor tiles are thicker, so it is better to circle the scratch 2-3 times before breaking. In terms of quality, cutting tiles with a handicraft tool is in no way inferior to cutting with the roller of a real factory tile cutter. As you work, the fragments will wear off, so they will need to be replaced.
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DIAM machines
Now let's look at something cheaper. The SK-600/2.2 machine is just that. The price for finished equipment is 45-50 thousand rubles, which is two times less than in the previous case. In return, you will receive a unit with an engine power of 2.2 kW, which, as we have already figured out, is quite a lot. The maximum cutting depth and length are 115 and 600 mm respectively. It is possible to perform work at disk rotation speeds of up to 2,800 rpm.
This is not to say that SK-600/2.2 will cope with any task, but processing of facing materials, tiles, etc. he can do it. The key features of the model are its small dimensions, which allows it to be easily and quickly moved from place to place. In addition, this type of stone cutting machine is very easy to operate.
Stone cutting at home as a business
Cut stone for facing work is a durable and high-quality material.
It is lightweight and highly durable. The indefinite service life makes the purchase of this building material rational for repairs. Weight and cost are not all the advantages of cut stone. In addition, it can have a wide variety of textures, which will give the facade of the building unsurpassed style and beauty.
The concept of the business idea is simple: take a cheap stone and divide it into many expensive stones. It is worth considering everything in more detail.
What equipment should you use?
Producing cut stone at home is a rather complex process that contains many nuances. To successfully set up a business producing high-quality building materials, you will need the cutting installation itself, as well as a number of auxiliary equipment.
As for the main equipment - a stone cutting machine with water supply - its selection and purchase is the most important step in establishing your business. There are a range of machine models: from hand-held and portable to large stationary machines. Choosing the best falls solely on your shoulders.
The only thing that should be understood is that if we are talking about a business, even a small one, then manual equipment will most likely not be enough. You will need large equipment with a saw diameter of 60 cm or more. In this case, you will be able to perform the maximum amount of work with a minimum of time and resource costs.
What does the market offer us?
Now we will try to consider the main models of equipment that can and should be used in a home business for the production of cut granite or sandstone. There are several general criteria, following which you can choose the best option:
- Multifunctionality. We are talking about the mobility of using equipment: stationary or portable. If a stationary machine is easy to transport, then this definitely makes it more functional and useful;
- Technical side. The scope of its application depends on how technologically high-quality the machine is. So, using a professional machine, you can cope with cutting granite, marble, tiles or cobblestones. You also don’t have to worry about the safety of the saw blade, since the device will supply coolant on time.
Let's consider budget models of machines that have a water supply and saw blade diameters over 60 cm:
- VK-1, VK-2. Machines for cutting stones, which include a table top and a saw mechanism. The diameter of the saw in such equipment is 120 cm, which is more than enough for any work. This machine can be considered the most suitable for a new stone cutting business. Its cost varies across the market from $1000.
- VK-3. A larger and more powerful device designed for serious and long-term work. More suitable for expanding production. The size of the saw blade allows you to cut stone slabs with diameters up to 300 cm. The cost of models starts from $2000.
Technological process at home
Stone processing, which involves cutting, has advanced greatly thanks to diamond technology.
After all, just a couple of years ago, to organize a stone cutting business at home, you would need complex impact and crushing equipment. Today, compact machines of small dimensions are sufficient. They easily cut hard rocks: granite or marble. Special tools allow you to cut complex contours and carry out any cutting work that you like. The idea of business is more global. But how and what material to use - these are questions you have to decide on your own.
If we talk about the equipment itself, then we can distinguish several of its varieties. Each of them is used in conjunction with a specific type of building material and for a specific type of work. Grinding machines are popular, but too susceptible to damage, so for home production it is better to take a more reliable unit.
In our case, it is recommended to use a cutting machine with a diamond blade. The thickness of the working element reaches 5-6 mm, which is more than enough for reliable cutting. The shelf life of such a disk is 2-3 years, and after that it is better to replace it, otherwise expensive repairs may be required.
Consumer Reviews
In many cases, it makes sense to read consumer advice and reviews before purchasing any tool. The fact is that sometimes expensive equipment, although of high quality, has worthy analogues from other, less well-known companies with a lower cost. In any case, consider this information before purchasing a stone cutting machine. Reviews, by the way, can also suggest how to upgrade equipment made by yourself. For example, many users say that it is convenient to place the saw not in the table, but above it, on a special guide, which certainly makes sense.