Homemade machines for the home workshop. How to make a bending machine with your own hands How to make a machine for your own hands drawings

It's nice to see when a person has done all and other household items with my own hands. To simplify the process of cutting metal or cutting wood elements, they build home-made machines and fixtures for the home workshop. This solution saves not only time for the manufacture of products, but also money for the purchase of finished products. Several practical and interesting options consider below.

DIY pipe bending machine

Read in the article

How to use homemade machines and fixtures for the home workshop

The use of home-made machines and devices for the home workshop is aimed at solving several problems:

• Simplification of the metal processing process. In the course of creating household items, a metal carver or a press is often required.
• Improvement in wood processing. Even to build small shed or make a wooden one, others are also needed.

Buy finished tool quite expensive, so the use of home-made machines and accessories for the garage is becoming more and more relevant every day. Among the most common options home instrument allocate:

• carpenter's workbench;
• device for quick sharpening of knives;
• device for sharpening metal drills;
• drilling machines;
• press;
• cutting disc machines.

Here are a few photos of do-it-yourself tools and fixtures from "homemade" ones:

1 of 4

Practical DIY tool shelves

Before creating devices, and with your own hands, determine the storage location for all devices, so that later you do not have to look throughout the workshop or where everything lies. It is not difficult to make a shelf for tools with your own hands, the main thing is to decide on its dimensions and material of manufacture.

The easiest way to make shelves is to assemble them from wood. Do not forget about the need to cover the finished structure with a protective varnish or to prevent rotting and swelling of the wood.

You can create a combined version of a metal support and wooden shelves. Here detailed instructions to create such a homemade model:

Image	Sequencing
	Assemble the frame. To do this, prepare two side frames, consisting of 4 corners. Connect elements with . Then, tighten 2 frames together using 4 corners.
	When the frame is fully assembled, proceed to the manufacture of shelves. They can be made from wood or metal, as well as from other improvised dense materials. It is enough to cut the canvases of a suitable size and fix them on a metal base.
	If desired, you can make the rack movable by attaching four small wheels. Or firmly install it in the allotted place in the garage.

You can find others interesting projects and drawings for the manufacture of shelves for tools. Watch a video on the topic:

Also do it yourself useful gadgets For household:

1 of 4

We make a carpentry workbench with our own hands according to the drawings: video instructions and photo examples

Among the common do-it-yourself devices, a workbench is distinguished. Durable and dimensional, allowing you to securely fix the workpiece, it is useful for high-quality cutting of wood and creating various elements from it.

The device package includes:

1. Working surface. For it, a solid one is used to increase the life of the device. The thickness must be at least 6 cm.
2. Supports. Collected from wooden beams or metal plates. the main task- ensure the stability of the entire mechanism.
3. Vice for fixing the product. If the table is long, you can install two vices at once.
4. Tool box. Useful recess or retractable design, providing quick access to the small parts you need.

To independently assemble a carpentry workbench for your workshop, you should choose a drawing, purchase material for work.

Do-it-yourself carpentry workbench drawings

Before buying materials to build your own workbench, you should think about a detailed drawing. It should include the dimensions of the machine itself, it is advisable to note the dimensions of the materials used and their quantity.

For example, finished drawing a folding workbench with your own hands may look like this:

Whatever model you choose to create, consider several features of the desktop that provide the convenience of cutting wood:

• the height and length of the hands of the master: the height and width of the countertop depend on these parameters;
• which hand is working: place the vise on the right or left;
• what blanks will be made: selection of the table shape;
• how much space in the room you allocate for a workbench.

Given all these parameters, it will be easier for you to decide on the drawings of the carpentry workbench and the dimensions of the machine. Here are a few interesting examples:

Instructions for assembling a wooden workbench with your own hands

You can buy a wooden workbench in a store or through online catalogs, but it's cheaper to make it yourself. Let's take as a basis a simple option with standard sizes countertops: length - 150-200 cm, width 70-120 cm.

Manufacturing work will include several stages:

Image	What need to do
	Make the top cover from thick ones to make a shield with a width of 70 to 200 cm. Fasten the elements onto long nails, and you need to drive them in from the outside, and carefully bend them from the inside. The working surface of the workbench is made only of wood or.
	Sheathe the lid along the lower perimeter with a 5 by 5 cm beam. This will make it more convenient to mount the vertical supports. The location of the supports depends on the size of the countertop. It is better to make them from a thick rectangular bar at least 120 by 120 mm.
	The carpenter's workbench must be installed correctly. Be sure to fasten it firmly. If it will be mounted on the street under a canopy, then dig holes for the supports. Indoors, use other methods of fastening.

When the structure is assembled, place a vise on it. To fully understand how to assemble a carpentry workbench with your own hands, watch the video:

Making a carpenter's vise for a workbench with your own hands

Professional "homemade" assemble not only tables for work, but also a vise with their own hands according to the drawings. Any design of such a clamp will include several elements:

1. Supports where each has a sponge for clamping.
2. Moving clamping jaw.
3. Metal guides. A sponge moves over them.
4. Lead screw, for moving elements.
5. collar. Required to rotate the screw.

In the manufacture of homemade vise with your own hands, you can use various improvised materials. For example, there is a design option from a profile pipe. To do this, prepare several pieces of pipe different sizes, steel stud with coarse thread and double nuts.

Instructions for creating a verstal vice from a profile pipe:

Image	What need to do
	The largest pipe acts as a body. Supports are soldered to it from below. A 3-4 mm steel flange is put on the back side. A hole is drilled in the center for running nut, and opposite the front support, the back sponge.
	On the inner moving part, the front steel flange. A stud is mounted in it, with lock nuts fixed to it. Thrust washers are put on both sides of the flange. The last element is a movable tube attached to the front sponge.

And also watch the video "do-it-yourself vise at home":

Do-it-yourself metal workbench drawings

A metal workbench does not differ much from a carpenter's workbench. Based on hard metal, not wooden frame. A vise is attached to it, and the entire workbench is designed to withstand the force of a blow from a sledgehammer.

Do-it-yourself metal workbenches can have one, two or three cabinets, and also not have shelves and drawers for small parts. For strength to work in the garage can be done regular table from metal up to 5 mm thick and reinforced structure where sheets from 10 to 30 mm are applicable.

Here are some useful drawings for making metal workbench for your workshop:

How to make a do-it-yourself knife sharpener: drawings and photo examples

No home is complete without a knife in the kitchen. It is rather difficult to make the correct one without special devices: it is necessary to observe desired angle and achieve perfect sharpness blades.

For each knife, a certain sharpening angle must be observed:

1. Razor and scalpel require an angle of 10-15⁰.
2. Knife for cutting bakery products - 15-20⁰.
3. Classic multifunctional knives - 25-30⁰.
4. For hunting and camping, they take a device with a blade angle from 25 to 30⁰.
5. If you want to cut hard materials, then sharpen at an angle of 30-40⁰.

To ensure the desired angle, it is worth buying or making a sharpening device. For example, you can assemble a sharpener with your own hands.

A comment

Specialist in the selection of tools "VseInstrumenty.ru"

“If you do not use sharpening every day, then 1000 rpm is enough for a quality result and long term device operation."

To assemble such a machine, a motor from a “washer” with a power of 200 watts is useful. Completely to create a grindstone from the engine from cook:

• the motor itself;
• metal for the casing with a thickness of 2 to 2.5 mm;
• tube for the flange;
• sharpening stone;
• nuts;
• starting mechanism;
• cable for connection to the mains;
• corner made of metal or wood for the bed.

You can see a step-by-step description of the manufacture of the machine in the video:

There are simple grinding machines do-it-yourself without engines. For example, you can make a device from bars. To do this, prepare two abrasive bars of the same size and a sharpening stone.

Progress in creating such a simple fixture will be as follows:

• Sand the wood blocks sandpaper by removing the burrs. Make a markup depending on the desired angle.

• Attach a stone to the drawn line to sharpen the blade. To do this, attach it to the bar and mark its width. Then, on the markings, make cuts, up to 1.5 cm deep.
• In the resulting recesses, fix the abrasive bars so that the grooves match. Then, install the sharpening stone by screwing it onto the bolts.

There are many ways to make a homemade knife sharpener. Choose the right one and try to create a convenient and useful tool for the home.

How to make a do-it-yourself tool for sharpening a drill for metal

They independently make not only a sharpener for blades, but also a machine for sharpening drills for metal. Here are some drawings to help you get started:

To understand how to assemble your own drill sharpening machine according to the drawings, watch the video on the topic:

The simplest and most common version of such equipment for the garage is a converted drill. For work you will need:

• bed for the base;
• rotation mechanism;
• vertical stand.

For a rack, boards are usually used. The mass of the drill is small, so there is no need to use metal. In this case, the frame must be made massive in order to reduce vibration during the operation of the device.

To properly connect the frame and vertical rack, and also assemble all the equipment into one whole machine, pay attention to the video instruction:

Do-it-yourself drawings with dimensions for a drilling machine

To properly make any machine or practical device for private use, you first need to make a drawing with dimensions. Only then proceed to the preparation of materials and assembly of the device.

Here are some examples of do-it-yourself drilling machine drawings from a drill:

Article

The production of metal parts requires special equipment capable of creating a force that forms the shape of an object. Alternatively, you can purchase relatively inexpensive devices. However, it is not difficult to independently make almost any machine for cold forging with your own hands.

What is required for this we will consider in the course of our article.

Of course, if the budget allows, you can not particularly complicate your life and purchase universal equipment for cold forging metal. Moreover, such a machine combines all the individual hand tools. But the rather small cost of such a workbench makes it inaccessible to many home workshops.

What do-it-yourself cold forging tools can be made and what to produce on them?

To establish your own metalworking workshop, the main six machines are quite enough: a bender, a twister, a flashlight, a volume, a snail, and a wave.

These homemade machines are capable of processing the main types of materials used in cold metalworking technology: squares, bars (with a cross section of up to 14 millimeters) and a steel strip, 3-6 mm thick with a width in the range of 25 millimeters. the same operation as the factory equipment: bending, twisting or pressing without loss of quality.

Also, on a home-made manual machine, it is quite possible to produce the main elements of cold forged products: curls, volutes, baskets required for further assembly. finished products. Moreover, the forging equipment itself is compact, it can be easily placed in a garage workshop.

Learning to work with a cold forging tool is very simple. It does not require special knowledge about the properties of the metal and its further processing (annealing, tempering or hardening). The training and production process is practically safe, equipment and materials do not work with high temperatures and the working mechanisms are very simple.

The only drawback in cold forging metal and working on manual equipment is the possibility of marriage if mistakes are made. But the main problem is that defects are very difficult to fix. Defective elements can be corrected only by heating the metal in a furnace or on a burner.

The easiest for self assembly there will be: snails, gnutiki and twisters. They do not require expensive tools. All you need is welding, a cutting tool, drawings with materials and a little understanding in mechanics.

So, how to make homemade cold forging machines with your own hands?

Assembly of different types of equipment

For initial stage arranging a cold metalworking workshop will require three main devices: a bender, a twister and a snail. What elements can be produced on them?

A bender is a device that greatly simplifies the bending of a part and the production of bends of any shape.

It easily handles rolled products in the form of steel strip and rod with dimensions of 12x12 millimeters. In addition to corner parts, the bender can create arc-shaped parts.

The twister serves to twist a long workpiece around its axis into a longitudinal spiral. In hot forging, there is a similar tool - a crank. The twister is similar to this device in its design. This is a frame on which a gate with a rotating head and a slider are fixed, limiting and fixing desired length details. Parts twisted on such equipment are a frequent element used to assemble window grilles, fences, railings and other types of fences.

If you install additional devices in the form of a shaft on the twister, then it will be able to produce voluminous baskets.

The snail is perhaps the most famous manual cold forging machine. Volute and various parts twisted around the axis are produced on its conductor. The assembled device consists of a kind of frame (round / square), a jig (spiral) and a roller with manual drive in the form of a lever. By pressing the drive lever and feeding the workpiece, any type of spiral can be twisted without problems.

The main thing in the manufacture of manual equipment for cold forging of metal is the observance of three basic principles:

1. The length of the lever drive is calculated so that sufficient force is applied to the metal.
2. It is best to make the components of the installations prefabricated or movable, then it will be possible to easily adjust the dimensions of the elements produced.
3. All parts of the conductors are made with a sufficient margin of safety, and the connections must be of high quality.

Observing such principles, it is quite feasible to manufacture normal metalworking equipment with excellent performance.

The listed three installations with the mechanism working manually, allow to make the majority of names of production without a metal warming up.

Gnutik assembly

This cold forging machine has a wide range of applications. With it, you can bend parts of any configuration. The device is quite simple, it consists of a base on which the rollers are mounted, a wedge (setting bend) and control levers. The machine itself can be made in a vertical or horizontal design.

It is easier to make a horizontal type on your own.

• It is necessary to prepare a frame in which mounting holes are drilled for mounting the rollers, wedge and lever.
• The wedge should move along the bed (controlled by pressing the lower lever). Its position should be interchangeable, so it will be possible to adjust the angle and steepness of the bend. To do this, it is better to make it on a screw thread, screwing in which changes the distance of the wedge.
• The upper arm is used to shape the workpiece into an arc shape.

After watching the video, you can understand how such a machine works and the principle of its device

Making a snail

The photo shows the main parts of the snail cold forging fixture. The formation of the element occurs due to a special conductor, curled with a spiral (snail). This part, preferably, should be two-part. The manufacture of the machine is as follows.

• A frame is prepared in a round or square shape. For its manufacture, it is better to use metal 5-6 mm.
• Holes are drilled in the base for fastening the conductor (its two parts) and the working lever.
• A rotating roller is mounted on the side, which will set the movement of the workpiece.
• The lever must have sufficient strength, it can be made from an appropriate profile or pipe (with thick walls).
• The conductor is made of thick metal, curved in a spiral. It has holes for mounting bolts.

Below are photos of the drawings of the conductor and the device itself.

For a more understandable principle of operation of such equipment, watch the video provided:

Made manual machines for cold forging with their own hands with such a design, they are quite capable of bending bars and squares of various sections up to 14 millimeters.

It is worth remembering that a greater force on a thick workpiece can be created using a longer lever, so an additional extension for such a drive can be provided.

There are other variants of the snail. For example, with a drive in the form of a gate located in a horizontal plane. Schematic drawings of such a device are shown in the photo below.

How to make a twister

The twister (or torsion bar) has a horizontal arrangement of parts. It consists of a frame on which a knob with a rotating head is attached, and a slider that rigidly fixes the workpiece and regulates the length of the product.

• First you need to prepare a workbench (table) where the device will be fixed.
• The bed can be made from a strong I-beam or any other material that has sufficient strength. Its length is selected depending on the parameters of the processed workpieces.
• A slider is made on the frame. Its lower part should move along the device and be fixed in the desired position. Bolt holes can be drilled for mounting. The part where the workpiece will be inserted can be made to fit its size ( through hole) or made from a vise.
• A rotating head collar can also be made to fit a specific workpiece or use a lathe chuck (small sizes)
• The unit is mounted on the table so that the edge of the table does not interfere with turning the knob.

As in the case of a snail, the length of the lever determines the force that is applied to the metal being processed.

If you make an additional mount for the shaft, then on such a torsion bar it will be possible to produce volumetric baskets by twisting a rod onto a template.

The principle of operation of the machine is shown in the video:

Having studied the information, you can also make devices such as a wave (wave-like elements), a flashlight (baskets) or a volumetric (volumetric elements with parts curved in different planes).

If possible, then some of these machines can be made electrically driven by installing an engine with the appropriate power for this.

What can you add to this material from your personal experience for the manufacture of equipment for cold forging? How problematic is it to make a cold forging machine with your own hands and what materials to use? Join the discussion in the comments to the article and share your best practices.

A good owner always has his own workshop, which he fills with equipment and fixtures to suit his needs. Some are bought and some can be made by hand. And we must not forget about the garage, because there should also be all the necessary appliances.

Everything that may ever be needed is impossible to foresee. Therefore, we will consider the most basic machines and mechanisms that can be useful when working with wood or metal.

How to make a universal machine with your own hands

There is a huge amount of different kinds of equipment, many of which in one form or another can be made independently. Craftsmen have even learned to combine several functions in one device.

For example, you can make a universal mechanism from conventional drill which will work like:

• a circular saw;
• grinding;
• cutting;
• whetstone;
• turning.

For its manufacture, it is necessary to fix a drill on the bed. As a basis, a board is chosen, the thickness of which is 20–25 mm. The drill is fixed for that part of the body, which is intended for attaching another handle.

The place of fixation on the tabletop is chosen based on the size of the circular disc, grinding wheel, cutter, sharpening stone.

To fix the drill, use a rigidly fixed threaded stud and nut. The rigidity of the fixation is achieved using epoxy glue and, as an addition, a pin 2 mm in diameter. We build a moving sole and that's it, the base is ready.

To get homemade circular machine, set saw blade with a diameter of 15 cm on the drill chuck and make a slot for it in the frame. The saw blade must be protected by a metal casing.

If you plan to use a flat cutter instead of a disk, you need to additionally make a rectangular slot or widen the hole for the saw.

From this "circular" saw, you can build a cutting mechanism. To do this, on a rigidly fixed surface, we install a swivel bracket, a joiner's miter box that sets the cutting angle, guides and fixtures that secure the workpiece.

Combine this with circular saw on the bench. According to the same principle, grinding and turning machines are assembled.

Video: homemade circular + planer

Making a circular with a bed

If you want to have a separate circular machine, then it is easy to build it from a manual circular bought in a store. Such homemade mechanism not designed for too large loads, but suitable for occasional use on the farm.

We take a frame that is suitable in size and fix it on it manual circular, make the maximum cut and leave in this position. We turn the base with a circular down and install it steadily on the frame with legs.

We make the guide and everything is ready to go. Pay Special attention to the height of the machine, it should be comfortable for you to work behind it, and its height is proportionate to your height.

Also in the workshop you may need a pipe bender. This is a device that allows you to bend pipes from almost any metal, as well as strips. Bent pipes are required when a person decides to make, for example, a greenhouse or a greenhouse or something else of the same kind.

Types of pipe benders, let's say, made independently, are different. There are very simple ones, and there are ones that are close in design to the factory ones, it is more difficult to make them.

We get the simplest version of a home-made pipe bender by sawing a board on one side in a semicircle. Then this workpiece is attached to a stable surface and a limiter is mounted nearby - wood detail, having a space up to a semicircular blank, into which one end of the pipe is inserted.

Video: we equip the workshop ourselves

Features of homemade fixtures and equipment

You can talk about what equipment for your workshop you can make with your own hands for a long time. But everyone has their own needs and possibilities. In addition to homemade fixtures, there should be places to store tools, as well as a workbench.

Approach to the manufacture of a workbench should be taken seriously. It is necessary to think over what will be attached to it, where it will stand, from what materials it will be built. You can make a tabletop made of metal, you can make it wooden.

You can immediately attach a circular machine, for example, or a jigsaw, various kinds of vise, clamps, and so on. It all depends on your idea and the need for this or that equipment. But a workbench must be needed comfortable height, stable and well made.

Also in the working room, various kinds of cabinets, pencil cases for placing and storing existing tools that you can assemble with your own hands are very useful. It is possible to equip separate places for storing large tools and separately for small ones, for example, a separate open cabinet for drills.

How do you organize working space, the convenience of work depends on how quickly you can find the necessary tool or part and, in the end, your comfortable well-being.

Video: wood lathe

What can be done for the garage

Often, the garage becomes not only a place to store the car, but also for many necessary tools and sometimes a workshop at the same time. So here you need to have:

1. Machine repair tools.
2. Spacious shelving for their placement.
3. Garage workbench.
4. Hooks.
5. Shelves or brackets for tires.
6. Lamps and heaters.

These devices are easy to assemble with your own hands. The organization of the garage space should be well thought out. Everything should be placed conveniently and not take up much space. Think about whether you need a workbench and where to put it, what size it will be and where to place racks and shelves.

A workbench will be needed if you repair your car yourself. Usually, all tools are located on shelves and racks next to the workbench. Spare tires are stored either on a special rack or hung on brackets along the walls.

Place all fuels and lubricants on a separate rack. Most often, there are some difficulties with the storage of small parts: screws, nuts, and the like. You can take small glass jars with screw caps.

Screw the lid to the bottom of the shelf, sort all the little things into separate jars. So you can save space and put things in order, and the search for the right screw, drill or nut will now be minimized.

For these purposes, you can choose another option. You will need magnetic tape, small clear plastic containers with strong lids, and metal flat washers. Fix the magnetic tape vertically in the place you need.

Attach metal washers to the bottom of the containers. Sort all the small fasteners into ready-made containers and hang them on a magnetic strip.

For repairs, you will also need viewing hole. And if it is not possible to equip it, then you can build two flyovers to raise the front or rear, or the side of the car. This will fully allow you to fully carry out all repair operations. Flyovers are made of timber and durable boards or metal if possible.

Well, in the end, it is very important for the garage good lighting. It can be general and as an addition to portable and local lamps. And make sure that there is more than one outlet in the garage. If you yourself will be engaged in the repair of the machine, then you need to think about the ventilation of the room.

Video: 29 garage crafts

You can make machines for cold forging from improvised materials.

Because universal fixtures from manufacturers have a fairly high cost, a self-made machine for cold forging metal will become great solution for people involved in manufacturing forged products.

Today metal constructions With unique design and bold architectural forms are used to equip houses in cottage settlements.

Figuratively curved forged elements of gates, fences and wickets bring an unusual image into landscape design estates.

On the proposed photos you can see what an unusual artistic look the metal structures create.

What parts can be made on a cold forging machine

Cold forging, unlike hot technology, is simple and safe. This process does not require the use of hot metal and the exact observance of the operating temperature.

You can make a do-it-yourself cold forging machine specifically for the manufacture of a certain type of part.

Also, a home-made machine will allow you to solve a wide variety of tasks, so it will be simply universal.

By using homemade machine it will be possible to achieve the ideal geometry of metal elements for individual design idea and make your own original details with a pattern.

In the process of cold decorative forging, as a rule, soft metal is used - it can be nickel and magnesium alloys, steel, copper or brass.

Otherwise, the range of products produced on the machine will be limited only by the imagination and the ability of the master.

Optionally, you can make openwork elements for stairs, gates and fences with your own hands.

The use of decorative details will allow you to decorate fireplaces and barbecues, beautifully decorate the outer walls of the house and the gazebo, make original tripods for flowers, as in the photo.

Types of equipment for cold forging

Existing types of machine tools can be operated with the participation of electric motor or manual force.

The first version of the device makes it possible to perform work faster than manual ones, but at the same time it requires certain skills from the master.

Forging machines for forging are divided into types:

• snail - a machine with separate removable parts or a solid cast - it is used when making spiral-shaped separate parts;
• universal fixture - used for cutting, riveting and giving volume to the product;
• bending - with its help you can make arc bending of metal or bending parts at a certain angle;
• device for forming rings;
• twister - allows you to bend the product along the axis;
• press - for the formation of a matrix print on the product;
• wave - to obtain wave-like elements from metal rods.

Manufacturing of the machine "Snail"

Using the list of tools and metal parts below, you can assemble a one-piece snail machine.

For work you will need:

• metal rods;
• sheets and strips of steel;
• profile steel pipe;
• welding, pliers, grinder.

Drawings and step by step diagram, as well as watching a thematic video, will allow you to get a high-quality device with the necessary parameters:

• Using a sheet of paper, draw on it the image of a spiral with three turns. Next, check the dimensions so that as a result a reinforced rod with a diameter of 10 mm fits into the thread;
• Using a grinder, cut out two plates from a steel sheet. The first should have parameters 100x100 mm, the second - 130x130 mm;
• Take a 3 cm rod and three steel strips. The edges of the cuts of all used parts must be cleaned with emery to get rid of burrs;
• Using pliers, bend the steel strips according to the template, as a result you will have three spiral parts with different lengths;
• With the help of welding, all elements of the machine are welded according to the scheme, welding work it is recommended to carry out qualitatively, since the life of the tool will depend on them;
• The steel pipe is welded last from the bottom in the center of the machine.

As a result of the work carried out, equipment for cold forging of metal should be obtained, as in the photo.

If during the design of any interior elements with cutting profile pipes no one experiences difficulties, then if necessary, bend them, on the contrary, everything becomes more complicated.

Qualitatively and quickly to carry out such work will allow a special bending machines for pipes that you can do in advance with your own hands.

Drawings for the manufacture of this type of equipment can be used differently, depending on what materials will be used in the work.

It is difficult at first glance to assemble a production-type machine for cold forging metal, as in the photo.

But if the master, working with metal, has already managed to gain experience, nothing is impossible for him. The main thing is to choose a solid stable foundation for the future design.

For example, it can be a massive metal table made on the basis of pipes or a profile.

Since the bending of the metal will occur due to the shafts present in the structure, it is necessary to select three such elements.

Each of them is a metal cylinder with thick walls and an axis of rotation. Two cylinders are fixed slightly above the table, and the third, the central one, is placed above them.

The distance between the two extreme cylinders determines at what angle the pipe will be bent.

In order to be able to change the position of the cylinders if necessary, it is necessary to make additions to the design drawings in the form of stoppers and rollers that will make this part adjustable.

After the cylinders are fixed, it is necessary to organize a rotation transmission system for them.

For this purpose, they use a chain mechanism from an old car, which can be found on the spare parts market.

It is better if the mechanism is equipped with gears, if not, then they will have to be purchased separately.

Gears are mounted on two extreme cylinders and a tensioner placed below the shafts in the center. Then one of the extreme cylinders is equipped with a handle in order to create a rotating force.

The machine for cold forging of metal products is ready. The following video will help to supplement the above material with details.

How to make a torsion machine

A machine for cold forging of torsion-type products is used to twist metal spirals in the form of a snake.

It is difficult to work with such a device manually, therefore, most often for the manufacture of a torsion bar, drawings with electrical versions of machine tools are used.

In order to properly assemble the torsion bar, we suggest watching the video and reading the guide below.

Tools and materials for machine assembly:

• steel sheet;
• I-beam;
• vice and fasteners;
• gearbox, electric motor, chain;
• Bulgarian;
• welding.

Sequence diagram:

• An I-beam will serve as the basis, to one side of which it is necessary to weld a steel sheet;
• Then a vice is attached to the steel, welded and fixed with bolts and nuts;
• So that under tension metal product did not jump out of the machine, plates are attached to the vice from below and from above;
• The other side of the I-beam is equipped with rollers, on which, subsequently, the platform is mounted;
• Other vices with movable main elements are attached to the surface of the resulting structure. In this case, both structures located along the edges of the I-beam should be located on the same level;
• Further, the structure is equipped with a steel handle made of a rod; due to its rotation, the product will bend;
• Using bolts, connect the reduction gear and the motor. The wheel rim is equipped with a chain;
• The structure is covered with a steel casing.

As a result of the actions taken, a machine with two blocks is obtained - a movable and a fixed one.

Equipment "Snail" for cold forging - mandatory hand tool any master who is engaged in the manufacture of forged products without heating the metal. "Snail" is designed for bending a metal bar during cold forging of metal. Making a "Snail" for cold forging with your own hands is not so difficult.

With the help of home-made cold forging machines, you can make a lot of openwork metal products. Forged fences, fences, gates, gates, railings, benches amaze with interesting outlines, rounded smooth lines. It is the curved forms of forged products that are made using a "snail" - a machine for cold forging metal.

The production of the “snail” tooling takes place in several stages.

In the next video, you can see how the craftsman made a home-made "snail" with his own hands, as well as how and what blanks can be made on such cold forging equipment.

This video features another interesting view a home-made "snail", on which it is convenient to bend forgings into curls and volutes. According to the master, "everything is made more convenient and easier on this machine."

The following video contains a drawing and description of the snail device and necessary materials for the manufacture of a bed and patterns for the production of forged curls.