After several unsuccessful attempts to cut out complex shapes with an electric jigsaw, I decided to make a homemade tabletop using drawings from the network. jigsaw machine. It will be very easy to cut complex shapes of small sizes from lightweight materials.

To assemble a jigsaw machine with your own hands from a jigsaw you will need:

• electric jigsaw
• sheet of plywood and boards for support
• wood screws
• bolts with nuts

Tools: drill, sandpaper, clamp, tape measure.

Step 1: Cut out the lid and base

Draw two 250x300 mm rectangles on a sheet of plywood and cut them out with a jigsaw. These rectangles will be the base and cover of your machine. Carefully sand the surfaces of the rectangles, especially the one that will be the lid.

Step 2: Making the front pillars

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Measure the height of the jigsaw from the sole to the handle so that the jigsaw fits in the machine box; the stands must be greater than this distance. My jigsaw is 18 cm high, so I made 20 cm long posts from the board. Then I pressed the two pieces together with a clamp and sawed off 5 mm from them on both sides so that both posts were the same height.

Now the racks can be screwed to the base. To prevent the wood from cracking, you need to pre-drill holes for the screws and countersink them.

Step 3: Attach the jigsaw to the lid

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1. Remove the soleplate from the jigsaw using the supplied hexagon. There is already one hole in the cover, you just need to drill three more so that there is a mounting hole in each corner.
2. In the central part of the plywood cover, mark the place where you will attach the jigsaw sole and the hole for the jigsaw blade.
3. Now you can drill four holes in the plywood, countersinking them with a feather drill so that the screw heads are flush with the surface. All that remains is to make a hole for the file.
4. Now put the sole back on the jigsaw skis, and attach the plywood cover to the sole so that the file fits into the hole provided for it.
5. Insert a washer into the widening of each mounting hole, insert bolts into the holes and tighten them on the other side with nuts. It was a little difficult to tighten the bolts, so I secured the head of each bolt with a flat head screwdriver and turned the other side with a wrench.

Step 4: Install the jigsaw on the base

Lower the cover with the jigsaw onto the base with the stands and secure it on top with screws, having previously drilled holes for them. Be sure to countersink these holes to prevent the wood from cracking when screwed. The jigsaw should not touch the base and should have a good grip on the lid. Therefore, the screw heads must be flush with the surface of the lid, otherwise they will unscrew while the jigsaw is running.

From the remains of the board, I made two additional rear posts, so the machine became much more stable.

Step 5: Modification of the machine

At this stage, the machine is quite functional; it is enough to simply secure it with a clamp on the tabletop and you can work.

I identified two features of my jigsaw:

• the blade moved a little to the sides, especially when working at high speeds.
• The blade width was wider than standard jigsaw blades, making cutting particularly thin holes poor.

Step 6: Reduce the width of the canvas

A narrower blade will give you the ability to cut fine curves and make it easier to cut rounded corners.

1. Pull the saw to the maximum, do not forget to turn off the jigsaw from the mains.
2. Mark the point where the blade exits the housing. Below this point nothing needs to be removed.
3. Remove the file from the jigsaw and grinding machine grind the canvas to the desired width. When sanding, dip the file in cool water so that it does not overheat, otherwise the metal will lose its hardness and the file will no longer be able to cut through anything. A change in color is a sign of overheating of the metal.
4. Once you have the desired blade width, place the file back into the jigsaw.

Step 7: Making a guide for the file

The guide will prevent the blade from moving to the sides during cutting, especially at high speeds.

I made the guide from a small strip of PVC plastic. At one end of the strip, use a jigsaw to make a small slot at an angle to the middle of the strip. We secure the strip behind the file by screwing it to a wooden L-shaped piece mounted on the lid of your machine. The guide can be lubricated with oil for better movement.

Remember:

1. The guide should never be higher than the blade at the lowest point in the blade's path.
2. The guide limits the size of the material you are going to cut due to its height and mounting point on the surface. Therefore, it is better to secure the guide as high as possible (taking into account the previous remark), and move it as far away from the canvas as possible, with a slope to the side as soon as possible.

Step 8: Conclusion

With a little effort, you will have an almost real tabletop jigsaw. Of course, it will not replace a real machine, but given its zero cost, it is an excellent option.

Since childhood, we have been familiar with the technology of sawing with a jigsaw. The principle is simple - a stationary part is placed on a stand with a technological cutout, the cut is made by moving the saw. The quality of work depends on the steadfastness of the hands and the skill of the worker.

In this way, you can literally cut lace from thin wooden or plastic blanks. However, the process is labor-intensive and slow. Therefore, many craftsmen thought about small-scale mechanization.

A simple design from the last century

More in the magazine Young technician“Drawings were offered on how to make a jigsaw machine with your own hands. Moreover, the design does not involve an electric drive; the drive operates from muscular force, like a knife sharpener.

The machine consists of main parts:

• bed (A)
• work table (B) with slot for canvas
• lever system (B) for holding the saw blade
• flywheel (G), which is the primary drive pulley
• crank mechanism (D), combined with a secondary drive pulley, and driving the levers (B)
• pedal assembly (E) with a crank mechanism driving the flywheel (D)
• saw blade tensioner (W)

The master uses his foot to move the flywheel (D). Using a belt drive, the crank mechanism (D) connected to the lower arm (B) rotates. A file is stretched between the levers; the degree of tension is regulated by a lanyard (G).

With a well-balanced flywheel, sufficient smooth running of the saw blade is ensured, and the like homemade jigsaw The new machine allows you to mass-cut blanks of the same type, saving time and effort. In those days, jigsaw files were produced in the form of a flat, unidirectional strip.

Therefore, to obtain patterns complex shape I had to rotate the workpiece around the canvas. The dimensions of the workpiece are limited by the length of the arms (B).

From a mechanical jigsaw to an electric one one step

Foot drive cannot give real freedom of action and uniformity of the saw stroke. It makes more sense to adapt an electric motor for the crank mechanism. However, if you use a tabletop jigsaw occasionally, there is no point in making stationary structure with its own motor.

You can use home power tools. For example, a screwdriver with a rotation speed controller.
The materials used are literally scraps of wood and old trash. The only critical part is the bed. It is better to make it from durable plywood with a thickness of at least 18 mm.

We make all connections using wood screws; the joints can be coated with PVA glue. From the same material we assemble a support pedestal for the lever rod. The design of the support should not have any play; the subsequent accuracy of the entire machine depends on its strength.

In life home handyman, periodically there is a need to make figured and simply decorative cuts, including inside the workpiece. Gasoline, circular and regular hand saws they cannot cope with this task, due to their design features. To solve this problem, use a manual jigsaw, specially designed for performing such operations. This tool undoubtedly copes with its task, but when working with large volumes or dimensional materials, it definitely loses to its more professional brother - a jigsaw.

Purchasing a brand new, shiny, and functional benchtop jigsaw is absolutely effortless. Store shelves are filled with products various manufacturers, aimed at professional and amateur work. At first glance, the stationary jigsaws on sale seem to be very complex in terms of design, the assembly of which is carried out only by selected expert technicians. In fact, this is quite simple devices that you can do yourself if you have the desire and step by step instructions. And if the first point depends only on you, with the second we will definitely help and provide detailed guide By self-assembly homemade jigsaw machine.

Scope of application

The special design and thin saw blade make the tabletop jigsaw a unique device, indispensable when performing certain types tasks. This device has gained the greatest popularity in the woodworking industry. It is often used in delicate work on making jewelry, souvenirs, musical instruments and furniture.

One of the main features for which the wood jigsaw is so valued is the ability to carry out internal cuts on the workpiece without damaging its contour. Not the least role in usefulness of this device plays a role in the convenience of its use when both hands of the operator are free and can in the best possible way control the position of the product on work surface. To everything else, it is worth adding the accuracy of the resulting cutting line, as well as the ability to work with plastic and metal. All of the above advantages make a tabletop jigsaw the best tool for sawing decorative elements.

The working principle of a jigsaw machine

To create the clearest possible picture of the device table jigsaw, you need to understand what it consists of. Next, we will list all the design elements of an elementary apparatus of this type, without additional functionality (removing sawdust, speed control, tilting the working surface and other gadgets). So, a stationary jigsaw consists of the following components:

1. Stable base
2. Electric motor
3. Crank assembly
4. Desk
5. Upper and lower arm
6. File clamping device

Of course, without explaining the relationship of the above components, they will remain just a set of words. To convey a more specific idea of ​​​​the operation of the structure, we will briefly describe its structure.

The whole process originates from the motor, which transmits rotation to the crank mechanism, which converts the circular motion into reciprocating motion. The connecting rod, which is part of the mechanism, transfers movement to the lower arm, causing it to move up and down. The entire structure described above is located under the desktop. The upper lever is located above the table surface and is connected to the lower spring, which serves as a saw blade tensioner. At the ends of both levers opposite to the spring there is a clamp where a saw is installed to cut the workpiece.

For greater clarity of the entire process described above, we present the following drawing of a jigsaw machine with the function of a saw blade tension regulator. Although this feature is one of the main ones, we did not present it in the description of the design of an elementary device, since it is possible to work without it.

Jigsaw machine from electric jigsaw

Not everyone has a need to regularly carry out decorative figured cuts. Often, to solve such problems, home craftsmen only need a regular hand-held electric jigsaw. Not everyone wants to purchase a bulky and rather expensive device for one-time use and further collection of dust. Still, in everyday life, sometimes there is a job that requires the most accurate and accurate cutting. In this case, you can assemble a fairly simple jigsaw machine with your own hands, using a minimal set of materials and a little imagination.

Today, there are many online variety of options execution of a table jigsaw, varying degrees complexity and efficiency. After reviewing dozens of products, we settled on the most interesting and at the same time simple assembly that meets the main requirements for cutting quality. Even a beginner who has at his disposal can assemble such a jigsaw machine from a manual jigsaw with his own hands necessary tool. For assembly you will need:

1. Chipboard sheet (3 pcs): 600x400x20 (length, width, height)
2. Spring
3. Profile pipe (1.5 m): 30x30x2 (length, width, thickness)
4. Jigsaw
5. Flat washers (4 pcs)
6. Bolts for washers and connections
7. Self-tapping screws for assembling the tabletop

The above values ​​are given with a margin. When assembling the machine, be guided by your preferences and logic.

Required tools:

• Welding machine
• Grinder with a metal disc
• Screwdriver

Having collected all the necessary arsenal, you can safely proceed to action.

1.First of all, you should assemble the base of the future machine. To do this, take 3 prepared sheets of chipboard or other thick enough wood material and make a structure out of them that looks like the letter “p”. We fix it at the edges with self-tapping screws. For greater reliability and stability, you can make a back wall.

2. In the center of the surface of the assembled tabletop, we outline future holes for a file and several fasteners for a jigsaw. To do this, remove the sole from the jigsaw, apply it with the opposite (not flat) side to the future attachment point and make several points through the grooves of the sole. At this stage, it is necessary to maintain accuracy, since the jigsaw installed from below must have the most accurate, perpendicular location to the side edges of the table, in order to avoid distortion of the file during further work. We drill the marked points with a drill 3-4 mm, and the central one (for the file) by 10 mm. As in the photos below.

3. After fixing the jigsaw under the tabletop, we proceed to assembling the upper arm from square pipe, serving as a saw blade tensioner. As a fixed base, we cut off a part of the pipe, 300 mm long, and weld fixation elements (corners or ears) at one of the ends. The moving part should be slightly longer (about 45 cm). The connection of two elements is carried out using a bolt with a nut and a U-shaped metal element, welded to the end of the post, as in the photo below.

A washer is welded to the end of the movable lever, which will be located directly on the file, which will serve as the upper fastening element.

4. Before installing the assembled tensioner structure to the surface of the table top, be sure to make sure that the end of the boom is located directly above the hole drilled for the file. If the top fastening moves too far to the side, the file will often tear, complicating the cutting process. When the ideal location of the tensioner has been verified, we fasten the structure to the tabletop with bolts.

5. Since the jigsaw is not suitable for working with thin files, we make a simple adapter fastener for it. To do this, take an old saw blade, grind off the teeth with a grinder, cut them to 3-4 cm in length and weld a regular nut to the end, into which the saw blade will be clamped using a second nut and bolt.

When making such an adapter, pay attention special attention to its length. If it is too large, the nut will hit the bottom of the tabletop, which may cause the tool to break.

6. When the file is clamped in both fasteners, all that remains is to tension it and start working. The implementation of such a function is simple. We fasten the spring to the back of the movable lever using a bolt and nut, and fix the opposite part to the tabletop on required length. Determining the tension is very easy. To do this, just run your finger along the file, like a guitar string. A high sound will indicate that the device is operational.

At this stage, the assembly of the elementary device is considered complete. To more clearly understand how to make a machine from a jigsaw, we recommend watching the following video.

Homemade jigsaw from a drill

A screwdriver and a drill are among the most common power tools in any household. These devices are quite powerful and have wide scope applications and are sometimes even used as drives various mechanisms. The author of the following manual on assembling a tabletop jigsaw with his own hands uses a drill as a motor.

The manufacturing process of a classic machine presented below does not require welding and cutting metal with a grinder, but at the same time perfectly demonstrates the principle of operation of such a device. The device is based on a simple crank mechanism, which can be made in a couple of minutes, having at your disposal a piece of plywood and a short steel rod with a diameter of 6 mm. Unfortunately, the author did not provide detailed drawing jigsaw machine, but answered many questions by editing a visual instruction video.

The entire assembly process includes quite a lot small parts, easy to understand and do not require additional comments. For this reason, we decided not to explain basic things in words, but to touch only on the basic details of the design. By tradition, we begin the instructions by listing the required materials.

1. Wooden slats (2 pcs): 500x40x20 (length, width, thickness)
2. Chipboard for base: 400x350x20
3. Chipboard for work surface: 320x320x20
4. Chipboard strips (2 pcs): 350x50x20
5. Aluminum sheet: 400x400x1
6. Drill (screwdriver)
7. PVC pipes (4 pcs): 300 mm in length
8. Self-tapping screws, bolts, washers and nuts
9. Wood glue
10. Steel rod, 6mm diameter (for crank assembly)
11. Spring

The listed materials are used in the instructions, but do not claim absolute accuracy. You can replace it with what you have at your disposal. You can also deviate from the sizes, if necessary.

Required tools:

• Screwdriver or drill
• Pliers
• Metal scissors
• Hammer

Having prepared the required materials, all that remains is to assemble them into a single working mechanism, following the video guide presented below. When connecting wooden parts using self-tapping screws and glue, we advise you to wait for complete drying, which will last from 24 hours. Otherwise, the connection will be flimsy.

In place of the presented saw tension mechanism, you can install a small lanyard with a fixing nut. This way, the tensioning process will be more convenient and efficient.

As a file, the author uses steel wire for survival in the forest. Of course, a perfectly even cut cannot be obtained with such an element, so at the ends of the upper and lower arms, you should make fastener. You can clamp the file between two washers, tightened with a screw and a pair of nuts.

For the most durable and convenient fixation of the crank, it is better to use a drill chuck with a key. If you have this element, you can quickly remove the drill or screwdriver when you need it in another place. You can just as easily tighten it back.

We hope that the presented manual was useful and clearly conveyed the principle of operation and manufacture of the device. You can watch more clear instructions on how to make a homemade jigsaw in the video below.

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The idea of ​​​​creating a homemade jigsaw is most often due to the disadvantages that a factory-made one has hand tool. You can make a small tabletop machine with your own hands, which will include a pusher, a reciprocating motor, and a saw tension system. In this case, you do not need complex drawings - once you understand the essence, it is easy to achieve the result.

The desire to create homemade jigsaw may occur for several reasons:

1. There is no power supply in the workshop, but it is possible to use the engines internal combustion low power.
2. There are pneumatic motors, but the compressor power is not enough for a serial tool.
3. The electric motor is powered by batteries or solar panels, the power of the source is not enough to use the power tool.
4. It is required to obtain saw motion parameters that are unattainable when using a serial tool.

Designing a jigsaw is not difficult. A typical structure looks like this:

The installation is easy to adapt to any torque source. A pair of pulleys (one is located on the engine shaft, the other drives the crank mechanism) allows you to vary the gear ratio, reducing the load on the power unit and allowing you to get the required speed (they are also responsible for the number of saw strokes per minute) on the actuator.

A machine built according to the above diagram may have the most different configuration, the material of manufacture is also selected individually. An example of a finished installation looks like this:

Disadvantages of a manual jigsaw

The manual jigsaw is designed for shaping straight cuts. In this case, as the rollers, rod, and pusher wear out, the saw may wobble, deviate from a straight line, and change the angle of attack. Regardless of the quality of the tool components, the following features are always present:

1. When the saw becomes dull, there is a deviation from a straight line when cutting material of uneven density (for example, chipboard low quality). The saw is capable of leaving the cutting line when it encounters a knot in the wood.
2. When trying to make a curved radius cut, you can observe the following picture: the upper cutting line, which the worker follows, follows an exact trajectory, the lower one deviates, goes to the side, the radius becomes larger. The higher the wear of the tool and the lower the sharpness of the saw, the more pronounced this phenomenon is.
3. Some materials cannot be worked using a pick-up or bottom feed of the saw. The carpenter is required to move the tool forward extremely evenly, which is impossible to do very accurately; as a result, the saw runs out along the entry and exit path.

It is even more difficult to work with thin saws designed for curved cuts. If there is no practice, achieve good result quite difficult, especially on thick slabs or wood materials. Let's look at how you can make a carpenter's job easier and the result better.

Standard solutions

The machine is made from a manual jigsaw based on simple table . This device is common and mass-produced; samples can be seen in the photographs below.

The mechanics of work are simple:

• The jigsaw clearly fixes the tool, ensuring that there is no influence of the human factor (the hand can move the jigsaw unevenly).
• The presence of a support allows you to move the device without deviations along the trajectory.

With the help of a table, jigsaws begin to cut in a straight line, but the capabilities of such a device are limited. If you remove the side fence and try to guide the workpiece, forming a curved cut, the same problems of saw deflection arise. The problem can be solved by using a simple saw, rigidly fixed with a pair of rollers. Making curved cuts is now convenient and fast. What homemade and industrial products of this type look like is shown in the following photos.

Tension devices for curved cuts

To perform very thin and precise shaped cuts, you can make a machine from a jigsaw with a saw blade tension system. The idea of ​​creating it yourself is as follows:

1. Very used thin saw, ideally for a manual jigsaw.
2. A clamp is attached to the rod of the power tool, which will tighten the cutting blade.
3. The trajectory stabilization system will regulate both one freedom of movement and two (horizontal and vertical).

Used as a tension block hand jigsaw clamp, to which an adapter is made, which in turn is inserted into the clamping device of the power tool rod. To ensure adjustment of one freedom of movement, a pair of angles and a bolt are used. The result of the implementation of the idea is presented in the following photo.

The saw provides clearly vertical movement, you can create a good tension, but there is a mandatory runout in the horizontal direction. The canvas comes with a pick-up and does not move in a straight line.

The development of this idea is in the next photo. Here the part that fixes the trajectory moves, and the metal clamp provides structural rigidity and mechanical resistance.

The system is stabilized in two degrees of freedom, the cut made with its help is neat and precise. By using a diamond-coated cord for a hand jigsaw, you can cut glass without creating messy chips on the edges.

Accessories for extremely delicate work

If you need to work extremely delicately and slowly, you will need to reduce the force on the cutting blade while maintaining strong tension and precise movement of the file. For this, a homemade jigsaw is equipped with spacer devices with long shoulders.

In this case, the power tool does not operate in the cutting zone, but at some distance. This allows, depending on the wishes of the carpenter, to regulate the force, speed and amplitude of movement of the saw. One of the options for implementing the idea is shown in the following photo.

Depending on the needs of the master, the structure can be made of steel, have additional fixing zones, and the power tool cannot be installed rigidly, but with the ability to move within its support beam.

In practice, such solutions are rarely used. For delicate work that is performed constantly, it is much more profitable to purchase a specialized band saw, which will ensure quality and productivity.

As can be seen from the presented designs, a jigsaw can even be made from sewing machine having a moving rod.

The era of electric tools did not come with the first electric drills, but when the electric motor became an attribute of a narrower tool: scissors, hacksaws, impact wrenches and, of course, jigsaws.

Moreover, the jigsaw became one of the first in this series. Today it is one of the most popular tools in the home (and not only) workshop. And first of all, we're talking about about hand tools.

But in this article we are looking at jigsaw machines, and this is practically stationary devices, which often have their own specific place in the workshop, because for comfortable work require a basis with given parameters: height so that the hand placed on the work table has a 90º bend at the elbow and stability so that it dampens vibrations of the machine itself.

What are jigsaws used for?

Jigsaw machines are primarily designed for cutting out parts or elements of complex configurations in sheet materials: wood, plywood, MDF, fiberboard, chipboard, plastic, aluminum. They are also used to cut out the internal contours of products with preliminary drilling of the sawn material.

Such a tool, unlike a hand or electric jigsaws, leaves both hands free for the person working on it, which greatly facilitates the work and allows it to be performed with the greatest accuracy. Most jigsaws, provided correct selection and installation of nail files, allow sawing even in fairly thick workpieces, with strict adherence to an angle of 90º relative to the plane of the workpiece.

Also, many models have an inclined table, which makes it possible to perform complex patterns at strictly specified angles other than straight, which is almost impossible when using manual or electric jigsaws.

Except home use, they are widely used in furniture production and enterprises producing musical instruments. True, they are replaced quite often laser machines, but the burnt edges left last do not make their use universal.

General drawing, structural features of desktop jigsaw machines

The most common layout of jigsaw machines is as follows:

It includes:

• a frame (or body) on which all components and mechanisms are mounted;
• drive, often from an electric motor via a V-belt to a crank;
• a crank mechanism that converts the rotational motion of the electric motor shaft into the reciprocating motion of the saw;
• double rocker with tensioning device and attachments for saw blades;
• desktop, sometimes with a mechanism for rotating in the horizontal plane at a given angle.

Previously, miniature jigsaw machines with a somewhat simplified design were on sale, but it was precisely because of this, which led to the rapid failure of the files due to their short stroke, that their production was discontinued.

Most currently produced desktop jigsaw machines work with files 200–350 mm long and have a working stroke of 30 to 50 mm.

The differences between the machines mainly consist in the power of the electric drive (from 90 to 500 W for most models), as well as the type and methods of attaching the files. The optimal power, in our opinion, is 150 W.

And files, in addition to length, can vary in width (from 2 to 10 mm), type of shanks (with or without pins) and thickness (from 0.6 to 1.25 mm).

In some models you can install the simplest, often called “Soviet” saw blades. hand jigsaws what is big advantage. To realize just this opportunity, owners of jigsaw machines that do not have it often improve the fastenings of their devices by installing clamps from a manual jigsaw on them.

Most desktop jigsaw machines have 2 speed modes: most often 600 and 1000 rpm, which is very useful when working with materials of different thickness, hardness and viscosity. The presence of the already mentioned turntable for 99% of the work performed on the machine, the function is useless.

Also, most jigsaw machines are equipped with additional accessories, such as:

• compressor for blowing chips from the cutting line;
• lighting of the sawing area;
• drilling block, etc.

These devices cannot be called useless, but it is still not worth relying on their presence when choosing a tabletop jigsaw machine, since these same functions can be successfully performed by:

• a compressor for an aquarium, with a blowing power selected by you, often more efficient than the standard one;
• a table lamp or carrier with a light output that is comfortable for your eyes;
• electric drill or screwdriver.

Even more complex devices, such as engraving drills, which can be equipped with your machine, generally cause some confusion, but let’s say right away that it is better to have such tools not tied to a jigsaw (or any other) machine. Their mobility is often more expensive than the advanced functionality of this very machine. In addition, all this is far from free.

Choosing a jigsaw manufacturer

Most often, Russian consumers choose jigsaw machines from Proxxon, Dewalt, Hegner, Xendoll, Zubr, JET, Enkor Corvette and Croton. Each of them has its own advantages and disadvantages. Based on reliability and compliance with the characteristics declared by the manufacturer, we would highlight the machines German company Hegner. And their line of this equipment is longer than many, but be sure to insist on sea trials when purchasing, regardless of which company’s machine you are planning to buy.

And even if it is possible to choose from 2 identical machines, demand that both are turned on. Buy one that has less operating noise and vibration.

DIY jigsaw machine

Finding a drawing of such equipment on the Internet is a rather trivial task, but we do not consider it advisable to single out any specific one from them, due to absolutely different approaches to the implementation of both the very idea of ​​​​building such a machine, and the selection of materials, type of drive, etc. We will offer several concepts for a homemade jigsaw and briefly analyze the advantages and disadvantages of each so that you can figure out what is best for you.

• First: the easiest to implement, suitable for performing most tasks in the manufacture of parts with a rather complex contour at home.

There are many options for attaching a manual jigsaw to a table top that serves as the machine’s work table. Choose any, or offer your own and share with the readers of our site, for which we will be grateful.

The video also shows manufacturing techniques. complex contour using not the thinnest file. And the main disadvantage of this design is the impossibility of using thin files, which makes it difficult to manufacture openwork parts.

• Second: wooden. It is interesting due to the fact that the material is accessible, easy to process and repair.

In our opinion, the interesting thing about it is the use of the same manual jigsaw, which is rational for two reasons:

• if necessary, it can also be used as independent instrument, as it was made;
• the drive has built-in speed control, oscillation amplitude, and eliminates additional mechanisms that reduce the reliability of the design.

However, for those who like to tinker, there is alternative options manufacturing a wooden jigsaw machine.

When used as a drive of a drill or screwdriver with an adjustable speed of rotation of the output shaft, it will also be possible to smoothly regulate the frequency of movement of the saw.

Moreover, control of this process can be transferred to the pedal using a simple device, which will make the work even more comfortable and the cutting more precise. Such jigsaw machines need to be well strengthened with braces and stringers and securely fastened to the floor so that they do not move during operation.

• Third: metal. There is no doubt that this particular concept is the most reliable and durable (provided that serious manufacturing errors are excluded), but it is also the most expensive. It makes sense to implement it if there is work large number and you will be able to save a sufficient amount by using the materials you already have. Otherwise, there is not much point in making such structures with your own hands, given that inexpensive factory-made jigsaw machines can be purchased for less than 4 thousand rubles.

Of course, the latter does not matter if you are interested in the process of technical creativity itself.

Dear readers, if you have any questions, please ask them using the form below. We will be glad to communicate with you;)