Holding with your own hands large number the work of one or another, which implies the wide use of the board, wooden bar And the like materials are associated with the need to conduct log sawing. It is clear that you can always buy the materials ready for use, which in our time will not be difficult, or buy a belt factory sawmill industrial purpose. But such solutions are associated with significant material costs, and this is not always justified.

The cheaper option is to develop with your own wood ribbon saws, but for this you will need to have drawings, a canvas made of durable metal, cutting material, as well as some other details.

The main part of such a home sawmill is a saw and a motor that will lead it into motion. The optimal version is the engine, the power of which is 10 kW: In this case, it will be possible to cut any logs without any problems on the boards using a machine made with your own hands.

What is needed for self-making machine?

Collect your own hands ribbonsOther machine It is quite possible on ready-made drawings, thanks to this it will be possible to paint on the boards any logs right at home. To perform such work - the machine's own assembly - will need:

• some details of old cars;
• rent a variety type;
• conducting locksmith and turning works;
• minor welding.

During the assembly of a similar belt machine on a tree, you can use old pulleys from any agricultural machinery, the optimal diameter of which is about 30 cm. Guides such homemade pailorama It is best to do with pipes of two types of metal: half thewithm diameter and a little more, with the result that the latter can be put on smaller pipes, leaving a slight gap of about 0.5 mm.

Making bases and devices for fixing logs

At the first stage of the personnel of such work, the basis for the future machine to turn ordinary logs to high-quality boards is manufactured. As a material for this, a metal corner is suitable. It should be installed up to the side, while it is necessary to achieve maximum precision adjusting the wheels, otherwise they will quickly wear out.

Perpendicular to these corners are welded profile pipes Sizes 2.5 × 2.5 mm, between them - a pipe with a diameter of half theft, on which claws are fixed, which are fasteners for logs.

Such fasteners should be easy to move in opening Parties. To reliably fix the logs, it is enough to hit the hammer on the climb, as a result of which the material fixation mechanism will occur, and it will be possible to carry out all the required operations.

With a hand-made assembly of a ribbon-type saw, profile pipes made of solid metal, which are mounted perpendicular to the base, must be made in such a way as to perform a little for the base. In addition, jumpers should be installed on the pipes: they will place logs before drinking on the machine.

How to install pulleys

The machine pulleys should be told so that when equipping the belt, he played for their edge to a couple of centimeters. The whole design moves along a special guide - pipes that are located horizontally. This node, if necessary, can be fixed on right place With bolts.

To prevent the tape from the pulleys while working on the machine, they need to be installed not in parallel, and under a slight inclination - as a result of such an installation, the tape saws will "stretch" to the rollers itself.

The right pulley is used as the slave, so it is necessary to attach a spring that automatically pulls it during operation. The left pulley, consequently, is the lead, so it is necessary to fix it with his own assembly of the ribbon machine. When changing the sized saw, the drive pulley must be shifted.

How to make the right roller knot

In a hand-made belt optimal option There will be rotable rollers. The right solution will make the entire knot with the rollers personally and be confident in its reliability, and not use ready.

This node consists of 3 bearings, two of which are grades 202, and one more, behind, a little bigger. The shaft and rollers must be chopped in such a way that in case of decreasing or increasing the width of the saw saw remains the ability to install washers between the bearings.

The shaft must be in two tubes: Halfood and slightly large, inserting one to another. In the midwayer tube, the shaft must have a slight offset of the axis, in fact it is welded to the bottom wall.

All this machine knot, which consists of tubes and shaft, to the guides are attached with their own hands in this way, so that it is possible to adjust the roller node in height, shifting it to the sides, depending on the diameter of the logs processed on their own hands, and also reliably fix it After the end of the adjustment.

Frame and additional elements

The frame, the height of which should be one and a half meters, is made with its own hands from the channel 100, to give the design of additional stiffness, they are strengthened with jams. The block of the machine, which will carry out the logs, will move on the chapels using spills. Rigid fixation to the sawmill sawmill saw through bolts with locknuts.

To make the machine more convenient to use, it can be made with your own hands an additional device in which the chips will be collected. In the simplest case, this is an ordinary wooden or plywood box, you can also use something like that.

Thus, a homemade belt saw in drawings can be made independently even in a garage or a small homemade workshop. But thanks to this homemade tool With a saw can be right on its site to produce boards, sawing logs.

Work on such an instrument made on ready-made drawings with your own hands is quite simple. Putting on the bed log, fixing it and turning on the mechanism, it will quickly do necessary processing Logs with a ribbon saw.

In the process of use homemade machine It is necessary to constantly monitor that his saw always remains acute, as well as to hold safety regulations.

When selecting the equipment for the domestic workshop, the belt saw is rarely included in the discharge of the primary tool: most operations can be performed without it. I have done a long time because I had, but as a result matured for the manufacture of a ribbon saw. As a result of the search, I came across the website of the Canadian inventor Mattiasa Vaddela. He offered to make a ribbon saw almost completely from the tree. At the same time, its characteristics were very decent, and any spare part is still easy to do.

The main characteristics of my homemade belt saw

My saw differs from the one that was in the developer drawings, but I didn't strive to repeat the project one to one. Much depends on the selected engine, saw tapes and blanks. I used those canvas that I could find. The asynchronous electric motor of the suitable power also fell into the covers. The saw blades were slightly shorter recommended - I decided not to risk and reduced internal size Rama by 10 mm.

Construction of a ribbon saw. Most of the details are made of wood.

We make a frame of a ribbon saw

This is the main element of the machine. I used a pine thumbnate, rushing on the flight to a thickness of 19 mm. The frame is glueding from several layers of boards with a turn. Can not be used for the LamSP frame, MDF, Phaneur or furniture Shield. The frame has a C-shaped form where the base is mounted for the tension guide mechanism with the top wheel, and the bottom is attached to the bottom, connectable with the base. The frame consists of six main layers and additional linings. To increase the rigging, diagonal elements are provided. In gradual gluing, it is necessary to control the perpendicularity of the elements so that the frame is flat (without twisting). Rama glued down without reason, leaving empty grooves under it. Insert the base is more convenient after installing the axis block of the lower wheel. My reserve of clamps lacked, and I additionally used the screws. The surfaces of the finished frame stallped and covered with varnish in two layers.

1. Bonding the first layer of the frame. This operation sets the shape of the frame. 2. When gluing the following layers, the shortage of clamps is compensated by self-draws. 3. The guides are screwed to the finished frame for the moving block of the top wheel. 5. Distribution of grooves in the movable frame of the upper wheel unit under the insertion. 5. Now the triangular inserts can be glued into the groove frames ... 6. Select quarters on the sides. 7. The device tensioning the saw blade. 8. In this position, the emphasis was visible yet without rotation handle. Three adjusting screws of the adjustment unit Oak plates perform the role of a spring. top wheel. 9. Clipping wheels from three plywood circles. 10. Flants (part - with bearings) with linings are adjusted to wheel billets and are marked. 11. Engine pulley sharpened directly on the engine itself.

Top Wheel Mounting

The next step is the assembly and installation of the movable mounting unit of the top wheel. It should move in the vertical direction and ensure the tension of the saw blade. For this, on the prepared "horns", the frame fastened a profile from oak, which forms a guide groove. The block is a rectangular frame with a movable top wheel shaft holder inserted into it. Frame made of oak wood. Additional inserts used to enhance the angular connections. By gluing the frame, drank in the corners of the groove. Then cut the triangular inserts and pasted them in the grooves. At the end of the sides of the frame chose a quarter under the guides in the main frame. The frame should move in the grooves without tangible backlats. At the top of the frame, a long bolt has installed a long bolt for its movement and adjustment of the tension of the saw blade. On the holder (bar with a hole and selected quarters from opposite sides) the wheel shaft at the top is the screw for adjusting the tilt wheel. The holder is attached to the frame with two self-testers, and due to the hollows, its mobility is achieved for adjustment. Under the screw installed a metal lining. The shaft in the holder after setting the saw is fixed with a self-tapping screw. The spring effect during the tension of the canvas creates three oak plates.

Manufacture of wheels saw

Wheels of saws have a diameter of 400 mm. They just need to do from plywood or MDF. My wheels came out with a thickness of 29 mm. Sklexed them from three plywood circles. The most responsible plot here is the central part of the wheel. Billets cut with a milling machine. In the center of the circle, the hole was drilled 0 6 mm and installed the center of the milling circulation. Then this hole used to combine blanks and gluing. Cut circles with a pulp 10 mm under the finish processing. Trees 0 25 mm (under the acquired bearings) I made a turner. They have a limiter on one side, and on the other - internal thread M12. For the manufacture of flanges, I used Phaneur. Before drilling in them holes for the bearing drilled in the center a hole 0 6 mm and, aligning it with the center of the wheel, drilled four holes for the seasons. The position of the flange on the wheel labeling. The flange consists of two parts. The outer part of the thickness of 15 mm is holding the bearing, and the internal - 10 mm thick forms the gap between the wheel and the bearing. The diameter of the hole in the wheel should be a bit more diameter shaft. The most responsible operation is the drilling of the opening with a diameter of 52 mm under the bearing in the outer part of the flange. Especially for this I bought ring saw 0 52 mm and after the inspection, it was turned on with an outer diameter by 0.3 mm. Bearings then pressed with the help of a queen. In front of the flange glue to the wheel cut the holder of the shaft of the bottom wheel - wooden barber With a hole for the shaft, which is attached to the bottom of the frame. Drilling a hole directly in the frame is undesirable: the likelihood that the drill will lead it. The holder is easier to turn the angle to the correction. In the wheels drilled four technological holes so that the clamps can be sold when gluing. Immediately after gluing the wheel put it on the shaft. Thanks to the preliminary centering of flanges and drilled holes Under the sewage, one of my collected wheels was almost absent, but the second had a non-critical "eight" to 3 mm. To fit the wheel in the size of the diameter and to form a profile, it was necessary to connect the wheel with the engine. At the first stage, I used a temporary pulley from plywood - screwed it with self-strains to the wheel. I pulled out a pulley for the engine using the engine itself, and then joined the engine with the wheel and the temporary pulley of the wheel. Fixing the wheel, screwed the wooden bar as the stop and with the help of turning cutters, covered the wheel to 0 400 mm. The diameter of the wheel on the shaft is difficult to control, so I measured the length of the circle. It is 1 256 mm. The processed edge of the wheel gave a barrel shape. Due to this, the tape does not slide from the wheel, but, on the contrary, it is self-centering. The angle of the bevel must be 5 degrees on each side.

12. When all the details were ready, glued the flanges to the wheel. 13. As the holder used the fastening unit of the bottom shaft. 14.Collaly drew to the desired diameter giving the edge of the barrel shape. SCOS in each direction - approximately 5 degrees. 15. After the preliminary assembly of the wheel. 16. Drinking in a set with blocks of support bearings. 17. The guide is installed with the upper support bearing, but so far without "sugar". Rubber cameras are tensioned (after final assembly They must be glued). 18. The desktop is equipped with an adjustment to one plane. The mechanism of inclination

Making both wheels, on one of them installed a regular drive pulley (read about a similar solution). Its thickness and shape caught up under the used belt, and the diameter calculated so that the speed of movement of the saw ribbon canvas was about 800 m / min. Now it remained only to delete the wheels. For this, I took the bearings with an external 0 22 mm. They were then used as supporting for saw blades. Pluging the horizontally time axis and putting on her bearings, installed the wheel so that it is easy to rotate, and its most severe part fell down. The driver drill did small recesses in the lower zone of the wheel with back side. As a result of such manipulations, I achieved that the wheel stop rotating in any position. On this balancing ended. Wheels covered with varnish in two layers.

Then it pulled the cut cameras from 16 "wheels of the children's bike. Rubber protects the surfaces of the wheels from damage to the web, reduces the noise and prevents slipping. Balancing, however, I had to repeat.

Fastening the wheels on the frame of the ribbon saw

The first installed the top wheel. On the shaft put on the washers from fluoroplast. Wheel fucked by a bolt with a thick washer, screwing it into the ends of the shaft. Adjusting bolt put up the top wheel parallel to the frame. The block of the bottom wheel fixed on the frame of the clamps and hung the bottom wheel. With the help of the ruler and fluoroplastic, the washers put the wheels in one plane. The displacement of the lower unit has achieved that the line connecting the centers of the shafts was parallel to the vertical frame rack. This operation was performed with the installed pile of the saw blade. After setting, the fastening unit of the lower shaft fixed. After checking the rotation of the saw manually, I decided on a trial start. Observing caution turned on the machine. Tests were successful. The ribbon moved in the middle of the wheels, no vibration and suspicious noise. Replacing the cloth to the very narrow, spent a re-test. It was possible to incur base for the engine and secure it to the frame.
21. Installed desktop with a zero gap plate and a knotting of the saw tension mechanism. The machine is ready for testing. 22. Working table can be tilted under the desired angle. The support self-adjustment of the desktop position adjustment is visible. 23.Protable frame mobile stand-stand.24. Protective engine screen.

Setting the guide wheels

The sleek end of the saw tape rests on the outer ring of the bearing, and with the sides, they hold it "SUKHARI". At first I made a cracker from fluoroplast, but they quickly wear out. Therefore (according to the author's advice) replaced them on wooden. As a protective casing, a rectangular duralumin pipe was used, cutting it with a disk saw. The casing screwed to the tire of self-draws. The tire must be set with high accuracy, since with a length of 300 mm, even a slight skew with respect to the saw blade will notice. For fastening the tire in the frame chose a groove. The markup was performed on a stretched wide web. Then clarified the marking of the groove in the sizes of the guide bus. But as I tried, when the groove was sampled, it was a 0.3 mm error, which led to an error at the bottom of almost 4 mm. Therefore, from the residue of the duralum pipe, I cut the corner, expanded in the frame of the groove on its thickness, and for the correction of the position, several pieces of self-adhesive paper with a thickness of 0.1 mm. Having achieved the desired result, fixed the corner with self-draws. Two holes are provided in the retainer. One main one - for the maximum tire clamp area, the second is used only with very thick blanks to maximize the bus.

Making a desktop for a ribbon saw with your own hands

First, made a support with the tilt mechanism. Did it from oak wood. The lower block of support bearings is attached to it. TO rotary mechanism The table attached a lining from the LDSP to increase the rigidity of the table. On the table, I let the trim table tops from the chipboard. It is pretty thick and durable, and her surface is smooth and slippery. The edges were trimmed with beak racks. In the working area in the table drank rectangular holeand then pulled out the removal under the insertion from MDF. The insert was installed when the saw turned on: started insertion into the grooves and stirred until it stops, simultaneously separating it on the desired length. When turning the table at an angle insert either at all take out, or I make a new one for a specific angle. I made a knot on the nut of the tension mechanism. I set the power of tension on the eye - to break the canvas is almost impossible. For more convenient to put the table perpendicular to the canvas, made an additional stop for the table. Screwd in the focus on the stop allows you to adjust the position of the table. And so that the sawmills do not stick to the wheels, installed a cropped toothbrush to the bottom wheel.

Manufacture of Saw Couples

I chose the sizes based on the size of the base of the saw, and the height was adjusted so that the table was at the level of 1,050 mm from the floor - for me this is just right. The cabinet made from the trimming of a tipped genital board with a thickness of 35 mm. The skeleton of the cabinet assembled on the wanks. Corners from the inside reinforced with metal corners. Side inserts - from laminated chipboard. Rear wall - from MDF. In general, everything is from cropping. The top box of the couch serves to collect sawdust. The cabinet is installed on the wheels with the possibility of their fixation.

25. The right wall of the housing of the bottom wheel is bevelled at the top to simplify the replacement of sawspit. 26. The rear wall protection wall of the bottom wheel is installed obliquely and sends the sawdust in the box. 27.Parallel focus is mounted on the desktop. Installation of protection. 28. So it looks like the protection of moving elements. The pads and a backlight switch are installed.

Protective covers and saw blade elements are simultaneously and guides to remove sawdust. All working elements saws are protected by screens. As a material for housings and screens, I used MDF with a thickness of 8 mm and pine boards.

Ribbon pylorama takes great demand for modern production. The thin saw of the design rotates on the pulleys of a closed ribbon and is able to fill horizontally fixed logs. Homemade ribbon saw helps to cut smaller objects.

Design features

Manufacturing sleepers, timber, boards and other materials for the construction scope is not without the use of such a saw. The tool is processed by a large number of timber, which does not exceed 900 mm in diameter. Ribbon saws can easily handle almost any wood, increasing performance. This is due to the features of the design, providing for cutting 2 or more fafts with a total up to 600 mm total width simultaneously.

From disk analogs, the tape saws is characterized by increased performance and reduced energy consumption. Experts recommend to take into account similar features When selecting units for work in areas, in which the supply of electricity is limited.

With this tool, it is possible to produce products with a smooth surface and the right cross section that meet European quality standards. A small thickness of the cut, up to 1.9 mm, will provide (when using a ribbon cut) to 87% of the finished output products.

Such saws do not require reconfiguration of the cutting logs. The unit is able to cope with the material parameters, saving time and power of the wizard. Experts appreciate these saws for their mobility. Simple schemes Installation contributes to the operational dismantling and movement of the device. The saw blade can be replaced in a couple of minutes and continue, without a reconfiguration break, processing material up to 8 m.

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Manufacturing equipment

The table with dimensions 420x720 mm can be made of a piece of plywood with a thickness of 20 mm. From above, the material is required to be caught with textolite, and the perimeter is trimmed by rails from solid wood. In the table it is necessary to make small grooves for wiring a sawing ribbon. In the box-founding 420x720x500 of plywood will be collected by sawdust.

The segment of the channel is 680 mm, with cut up to 22 mm in height by shelves, is called a carrier bar. The device is attached to the working surface of the bracket, which is made of 4 M8 bolts and angle 40x40.

Pulleys for drive ribbon equipment are made of plywood plywood 20 mm. Their surface is required to be caught (polyurethane adhesive) applied to the sheet, dense rubber. The tree is then coated with a layer of epoxy resin, grind and stained.

The working surface of the homemade must be barrel, to firmly hold the driving ribbon of the saw. In the upper pulley it is necessary to glue a duraluminum sleeve, and in it to pull the nest (for ball bearings). The sleeve is glued to epoxy resin. The lower pulley must be placed on the steel, type of 30hgs, the axis, fixing the 3 screws 5x20. The axis is placed in a tone with 2 ball bearings installed from the bottom of the carrier bar. The slave pulley of the belt drive is attached on the opposite side of the axis through the remote sleeve.

Balancing pulleys are engaged after completion mounting work. It is possible to deal with the principles of functioning and the size of the parts using the study of circuits and patterns. Both pulleys (lead, slave) are obtained the same. The landing opening can be called an exception. It depends on the motor shaft. Material used for pulleys, duralumin. The selected unit uses a clinic belt A 710. You can use another unit.

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Additional moments

Eliminate the oscillations of the tape saws allows a damper that is assembled from parts on M6 bolts from textolite. The fixed part of the damper is fixed at the bottom of the desktop. The required clearance is selected using a mobile strip.

Such units can be equipped with an additional damper from above, if the upper pulley beats the diameter. In other cases, the installation from above of this device will help enhance the ribbon friction.

The design of the top device for the oscillation deviations is similar to the device of the main and fastened by the M5 bolts to the bracket bar, which is 105 mm exceeds the plane of the desktop.

The guide that will serve the material for cutting, produce 100x100 from the steel corner. Perpendicular design planes require grinding. At the edges of one of the shelves, 2 grooves are done. With their help, the gap is regulated between the ribbon and the guide. In the center of the shelf make a cut, allowing you to increase the stroke.

Provide safety in the process of cutting will allow a protective cover. It closes the knot in the top pulley tape. The last element comes out of its cavity solely on the working surface. The sawing ribbon should be simultaneously strong and enough elastic. Specialists recommend using for its manufacture cold-rolled steel grades U10, U8 and 65g. The required steel thickness for cutting the logs of soft rocks is 0.2-0.4, and for solid - 0.4-0.8 mm. It is possible to use high-quality steel roulettes (the desired width is 10 mm, and the thickness is 0.2 mm).

The above characteristics of the equipment corresponds to the billet 1600-1700 mm. On its strip, the teeth are cut with a file, 3 mm. The ribbon is soldered in the form of a ring, at a length of 3-6 mm, the ends are sharpened in the thickness on the mustache. The spike place must be sprinkled with a buoy, heating with gas burner. Solder PSR-40 is applied to the joint, the seam is squeezed by pliers, on which asbestos lining should be (so that the spay could not quickly cool and the metal remained durable). The location of the connection, if necessary, can be stabbed. With the help of sharpening the front and rear surfaces of the teeth, the hacksaw to work on the tree and their light breeding can be improved by the quality of the cut.

The process is simplified if you purchase a ready-made cloth for company ribbon design, But the size of the table will have to be customized under it. Similar homemade are suitable for cutting soft wood. Sleep solid wood allows you to install a tape 0.8 mm. As a basis for the manufacture of such a design, you can take chainsaw. disadvantages homemade device - Small departure of the canvas. It is possible to correct this, complicating the design of the carrier bar. For this use pulley with an increased diameter.

Many tasks can be performed using a specialized belt saw created by own hands. Taking advantage of the recommendations of the proposed article, to reproduce this device is quite simple.

1 - Pulleting Ribbon Drive (Nizhniy), 2 - Base, 3 - Saw Ribbon, 4 - Belt Wedge A710, 5 - Damper, 6 - Guide, 7 - Carrier Bar, 8 - Drive Drive Pulley (Upper), 9 - Table Plywood S20), 10 - AOL-22-2 electric motor, 11 - belt drive pulleys, 12 - bracket (steel corner 40x40), 13 - Nut M12 (2 pcs.), 14 - Top support, 15 - Adjusting screw, 16 - slider.

The work desk of the self-made belt saw (dimensions 420x720 mm) is made of plywood with a thickness of 20 mm, which is caught on top of the textolite. In the perimeter, it will edit the solid wood rails. For wiring of sawing ribbon in the table there are non-rigid grooves. The base is a box of 420x720x500 mm, glued from 20-mm plywood. Among other things, it serves as a place to collect sawdust.

The carrier bar is a segment of channel number 8 680 mm long, the shelves of which are cut to a height of 20 mm for convenience. The rod is attached to the table using a bracket from a 40x40 mm corner and four M8 bolts. Pullets Drive Pilots Saws are pulled out of plywood 20 mm thick. On the working surface, they are covered with dense sheet rubber, docked on the mustache. Polyurethane glue was used. After cutting the pulleys, wood is impregnated epoxy resin, polished and stained. Working surface Putting the barrelness required to hold the running saw tape. In the upper pulley, the epoxy resin is pasted with a sleeve of duralumin, in which the nest is sharpened under the ball bearing 60203. The lower pulley is satisfied with the axis of steel type 30xgss and the three 5x20 screws are attached. The axis is inserted in a tan with two ball bearings 60203 installed at the lower end of the carrier bar. At the other end of the axis, the slave pulley of the belt drive is recorded through the remote sleeve. After installation, balancing ribbon pulleys. The principle of operation and the size of the parts of the tension system of the sawing ribbon are clear from the above drawings (cross section A-A).

Ribbon Drive Pulley (Upper)

The transfer ratio of the belt transmission from the engine i \u003d 1, so the leading and slave pulleys are the same, with the exception of the planting opening, which depends on the motor shaft on the drive pulley. Pulleys are made of duralumin. Wedge belt - A710 (in this design).

To eliminate the oscillations of sawing ribbon, a damper is provided (oscillation damper), assembled from textolite parts on M6 bolts. The fixed element of the damper is fixed from the bottom of the desktop, and the movable bar allows you to choose the required gap. It should be noted that the top damper is also provided on the ribbon saw, but its installation is advisable if the upper pulley of the sawing ribbon begins to "beat the diameter". Otherwise, the upper damper only increases the friction of the tape. According to the design, it is similar to the main and, if necessary, attached to the M5 bolts using a special bracket by 105 mm above the desktop plane.

1 - base, 2 - bolt M6 (2 pcs.), 3 - Planck, 4 - nut with a washer.

The guide for feeding the saw blasting is made of steel corner 100x100 mm. It is desirable to abandon his perpendicular plane on the machine. In one of the shelves along the edges, two grooves are made to adjust the gap between the guide and. ribbon, and in the middle - cutout to increase the stroke. Safety during operation is provided by a protective casing covering the entire node of the upper pulley of the sawing ribbon, which leaves the cavity of the casing only in the working area.

Big attention deserves the sawing tape of the ribbon saw. It should be enough elastic, on the one hand, and durable - on the other. For its manufacture, we recommend cold-rolled steel steel brand U8, U10 or 65G thick 0.2-0.4 mm thick for sawing soft wood (balsa, linden) or 0.4-0.8 mm - for solid rocks. By the way, many are used for these purposes steel tapes from high-quality metal with a thickness of 0.2 mm and a width of about 10 mm. "Automatic" modern roulettes with a curved profile of ribbons are not suitable - only old samples are suitable. The length of the workpiece for the sizes of the machine - 1600-1700 mm. On the band-blank, the teeth are cut into a teeth with a step of about 3 mm, after which the tape soldes into the ring, the ends at a length of 3-6 mm are sharpened in thickness on the USS. Then the place of the spike rushes a buroy and warms up on gas burner. At the joint, the solder brand PSR-40 and the seam is tightly compressed with pliers with asbestos linings on sponges (otherwise, the spay quickly cools and the metal in this zone turns out fragile). If necessary, the connection site is stitched. To obtain a better surface of the sawing, the front and rear surfaces of the teeth are sharpened in the same way with a tree with a tree and divorced. Of course, you can use the on-selling canvas for branded band saws, but then the size of the machine should be done in accordance with the size of the purchased web.

The considered homemade belt saw is used for straight-line sawing soft wood (balsa, linden, ox, spruce, pine). You can cut and solid rocks (beech, oak, red tree) when the tape is installed on the machine with a thickness of 0.8 mm.

Disadvantage this option A homemade belt saw - a small departure of the canvas, but it greatly simplifies the design. If a small departure of the canvase does not suit, then to depart the canvas as a branded band saw, you will have to make the location of the carrier bar as they have and use the pulleys of a larger diameter.

Specifications of the homemade belt saw:
The greatest thickness of the sawing, mm
Soft breeds - up to 100
Solid breeds - up to 40
The smallest width of the cut, mm - 0.25
Diameter pulley drive ribbon, mm - 240
Interior distance of pulleys Drive drive, mm - up to 500
Gear ratio from the engine to the leading pulley, I - 1
Engine turnover, rpm - 2800
Power of the electric motor, kW - 0.6
Rated voltage, in - 380
Linear ribbon speed, m / s - 35
Length of tape, mm - 1600-1700
Speed \u200b\u200bof sawmills, m / min - up to 5
Overall dimensions, mm - 720x420x920

Ribbon saws - powerful industrial instrument For cutting wood and metal. The cutting canvas is a continuous tape moving in one direction along the drive pulleys and one side of the interacting with the cutting material. With relative simplicity of the design, the ribbon drank with their own hands is quite real. How to make it and how to configure it correctly in this article.

The tape saw was known for quite a long time, from the beginning of the 19th century (the first patent - 1808). The principle of continuous movement of the saw blade itself (unlike reciprocating from the knife) has long been interested in engineers. It is more technological for many reasons:

• The ring saw is cooled naturally - in contact there is a minor part;
• The movement of the teeth in one direction less damages the cut area;
• Ribbon is easier to sharpen;
• The mechanism of the drive and stretch is simplified as much as possible, as well as the grease mechanism.

But on the path of implementation there were some difficulties associated with the connection of the saw tape into the ring. The tape should be durable, elastic and, at the same time, flexible and enough elastic. Welding such metals so that there are no seams that interfere with its movement in the body of the material and caused overheating (as a result, a break in the connection site).

On wood ribbon machines, these difficulties managed to minimize, but everything was different in metalworking machines. Only by the end of the century in France managed to establish the production of acceptable saws, which were welded with contact welding and then the seams were thoroughly grinding.

IN currently Several varieties of saw blades are produced:

• gear;
• friction saws;
• electrospar.

As a rule, focuses on the gear blade of the bimetallic design. It is a tape made of durable steel (spring or similar by properties) with teeth of particularly durable tool steel M42-M71 hardness. Sharpening teeth different for different materials.

For example, for cutting of pipes and a channel, a ribbon with enhanced teeth backs will be required, for a stainless steel - with an acute sharpening of 15 0 and an increased distance between them. The stainless steel forms a viscous chips that interferes with the movement of the saw, shooting between the working edges. If you have to cut the metal large sizes, then you need a canvas with a periodic wiring - narrow and wide alternate, to eliminate the threat of jams of tape ribbon.

In order for the belt-saw machine with their own hands, it is properly, counting it under the tape of the factory manufacture. It is difficult to make it enough to do it, even if you manage to find the appropriate metal and in your workshop there is all the necessary welding and sharpening equipment.

Construction of a ribbon saw

The cutting machine of a tape type is characterized by high versatility. You can cut wood and metal on it:

• vertically;
• horizontally;
• at an angle.

There are machines with the supply of the working console, when the material is fixed motionless, and the canvas comes on it, and there are built on another principle - the saw knot is fixed, and a log is fed, a board or a metal sheet. The second option is more accessible to independent manufacture.

Basic tape saw nodes:

• The bed (frame) is made heavy and durable. It should ensure the stability of the machine during operation and lack of vibrations;
• Work desk with focus and ruler;
• Drive pulleys;
• Engine (from 2 kW);
• Remote Control;
• Lubrication system;
• Protective casing.

It should be remembered that the cutting speed of various metals is somewhat different. The range is very wide - from 30 to 100 m / min. The averaged rates of the sawing of homogeneous solid metals are shown in the table, but for each specific saw model and saw tape, they may differ within 10-15%.

Ribbon saw do it yourself

About how to make a ribbon saw with your own hands on the Internet you can find quite a few materials, photos and videos. For example, the Canadian site of Mattiasa Wandela offers the drawings of the machine almost completely made of wood. But we will stop on something less exotic, which can be done both in the home workshop and a small shop on wood or metal processing.

Making beds

The initial stage is the manufacture of the bed. For a tree saw, it can be wooden or metal, for metal - only steel. You can cook it from a chawller or corner. For a small workshop or shop, it is not problems. The sizes of the bed are selected depending on the intended size of the material being processed. A normal sawmaking machine can cope with a tree with a thickness of up to 350 mm and a metal in several centimeters.

The carrier bar is Schweller No. 8, which is welded to the bed or bolted bolts. It should be strictly vertical and fixed at least two points in length to eliminate the threat of deviation. When biting saw, for example (which sometimes happens) or sawmill large sizes Loads arise quite large.

The view is located a horizontal desktop with ribbons to move the ribbon, line, focus, clips and other devices for feeding and holding blanks. The height of the table from the lower stops is 0.7-0.9 meters. The height of the rod over the table is 0.6-0.8 m.

At the bottom of the bed is installed asynchronous electric motor With launch condensers connected by belt transmission with a driving pulley of a variable diameter. If necessary, change the cutting speed, the wedge belt is simply transferred to another diameter. The belt tension is provided by a spring tensioning mechanism.

Mounting drive

Wood or metal pulleys of the same diameter (240-260 mm) are used to drive the ribbon (240-260 mm), which are fixed on shafts planted on bearings. The lower pulley is connected with the engine drive. Shafts of saw pulleys are fixed on the rod. Nizhny - motionless, upper - in the slots of the fixed tensioning mechanism. This allows the use of ribbons of different lengths.

From the tape beats, the machine protects the special mechanism of the damper, which is located under the desktop. The drawings of this device can be found on the Internet. Sometimes you can see tape saws with two dampers - from below working area. This is justified if the machine is designed to work with large-sized blanks or extremely high squeaking accuracy.

Lubrication and Protection System

The lubricant system (adjustable) is installed above the desktop. Self-cheese oil comes on saw blade In the required quantity, which for each self-made machine is determined experimentally.

All work units where something rotates or moves, it is necessary to protect with covers. It is best to make them from waterproof plywood with a thickness of 10 mm. It will cost inexpensively, and polished plywood, painted enamel, looks very good.

Starting system is a standard button with an emergency shutdown. The bottom of the machine is desirable to perform in the form of a bedside table with a wide door, or even two. One is used to select falling sawdust, the second is to access pulleys and adjust the speed of the tape.

Do it yourself ribbon Machine For an experienced locksmith will not be much difficulty. Part of the necessary parts and nodes can be taken from the written off or dismantled machines of your own company or buy on the market or and on the Internet, part - to make it yourself. In any case, the machine made independently will cost two times cheaper than the factory, with the same level of performance and accuracy of adjustments.