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DIY grain extruder, drawings, dimensions. Homemade feed extruder: step-by-step instructions. Manufacturing of the working chamber, hopper and sieve

An extruder is a tool that allows you to process large volumes of cereals, fruits and vegetables, which are turned into complete feed. On a farm, such a device is indispensable, especially for those that require feed for normal growth. But the problem is high prices.

Not all farmers can afford to buy such a tool. As a solution, you can make your own feed extruder.

1 How does a feed extruder work?

Before you make an extruder with your own hands, you need to understand the principle of its operation. The operating principle of the extruder includes the following stages:

grains, vegetables and fruits are loaded into the tank of the device;
here they enter a compartment where high pressure (about 60 atmospheres) acts on the raw materials;
Then the feed is processed at high temperature (in most extruders it reaches 1.5 thousand degrees);
the resulting composition is compacted and comes out in the form of a long rod with a thickness of 3 cm;
the rod is cut into smaller pieces, after which it is completely ready for use.

The main advantage of food processed by such a device is that it is very quickly and completely absorbed by the animal. Under the influence of high temperatures and strong pressure, the structure of the original components breaks down into simpler components, which are individually absorbed much better. According to this principle.

1.1 What does a feed extruder consist of?

The structure of this device is quite simple. It is based on a frame that connects all units and ensures the stability of their operation. A hopper is installed on the frame, into which everything is supplied, and the mechanism drive.

Next there is a dosing auger and a delivery auger, through which small portions of cereals are fed into the receiving chamber. The whole process is organized by a motor with a gearbox. When leaving the device, the finished feed rods are automatically cut off with a special knife or manually.

2 What is a homemade feed extruder made of?

The main snag when assembling the device at home is the need to purchase most of the parts, since the design is quite complex. First of all, an accurate drawing is needed.

You can either download it from the Internet (here you can find all imaginable models) or use ready-made instructions from the factory model. The drawing must convey as accurately as possible the dimensions of the components and all the necessary material. After the drawing is ready and that's it important points thought out, you can proceed to collecting materials.

2.1 Assembling a homemade extruder

First of all, let's start making a screw for the device. It consists of a cylinder and a body. To make the cylinder, gears from the tractor transmission are used. They are tightly welded together. If standard gears were used, then the diameter of the resulting part should be somewhere around 62 mm.

Next we work with the body. The basis for it will be the previously prepared rod from the hydraulic cylinder. A wire is wound around the rod in the form of a spiral (if you have a long enough spring that matches the diameter, you can use it). The wire on the rod must be placed so that the distance between the turns of the spiral gradually decreases towards the end of the part. The initial clearance is 25 mm, after which there is a gradual decrease to 20 mm.

As soon as the wire (spring) is correctly secured, we grab it welding machine. The welding must be very strong, since the part will be subject to serious loads. Next, the auger is carefully inspected for irregularities and extra protrusions.

All detected defects are erased using a file or grinding machine. The screw can also be turned on lathe, if there is one. The part will be of higher quality, and the work will be much less. In addition, the channels will be much deeper, which will simplify grain feeding.

How to make a housing for an auger? Any piece of pipe of suitable diameter will be suitable for this component. The auger cylinder is placed inside it. It must be connected to the extruder head and the gearbox that drives the screw. To do this, we turn two bushings on a lathe. Then we connect all the parts. At the junction between the gearbox and the auger shaft, it is necessary to additionally install a bearing.

First of all, you need to make a strong frame on which the device will be installed. Specific instructions there is no. Its design depends on the features. The main requirements for the frame are stability, stability and strength. The first two points can be achieved by making a wider base, which, after assembly, is screwed to the floor with bolts with a larger diameter. The frame can be assembled from corners welded together.

We install the engine and gearbox with a screw and head welded to it on the frame. The transmission of torque to the gearbox will be carried out by a belt. It connects the trigger mechanism, gearbox and electric motor.

We fix the grain hopper onto the installed auger. This part can be any metal container with a hole in the bottom. In the absence of one, an ordinary iron bucket will do. The hopper is fixed so that the grain easily passes into the auger, where it is pushed and compressed. It reaches its peak in the spinneret, which produces ready-made food. The thickness of the resulting feed rod will depend on the diameter of the die.

We install the frame in the selected part of the room, after which we weld all parts of the device. The self-made extruder is ready.

2.2 Last checks and first launch

The resulting extruder is quite powerful electrical device, which requires a thorough check of all components and assemblies before direct work. For safety reasons, you should adhere to the following inspection plan:

The first point is re-checking the reliability of all seams and connections. If individual components are connected using bolts, tighten them as much as possible.
Next comes checking the flatness of the surface on which the device is installed.
The next stage is starting the mechanism. The mechanism should run idle for some time. This will allow you to warm it up before work. To check whether the extruder is warm enough, you can put flour into it. The readiness of the device for operation can be determined by the shape of the processed raw materials.
If all preparatory processes went well, you can proceed to checking with grain. Cereals should be fed into the bunker gradually and steadily. Interruptions in flow lead to negative idle, which harms the machine. But, an excess of raw materials will lead to work “through force”, which can damage the mechanisms.
Finished product should be constantly tightened. This will remove gaps in the die and increase density.
Under no circumstances should you suddenly stop the device after active operation. If required quantity the grain has already been processed, add flour or sunflower seed waste into the bin again. During processing, such material collects cereal oils and unprocessed residues released during processing, which contaminate the mechanisms.
Gradually reduce the engine speed until it cools down. After stopping, you need some more time for the machine to cool down, otherwise there is a risk of getting burned on the hot extruder mechanisms.

2.3 Operation of a homemade grain extruder (video)

An extruder is an indispensable device for preparing combined feed in private households. Granulates are healthier and more economical: animals do not have the opportunity to choose tasty morsels from the mixture, they eat food better, and receive more vitamins. You can make the device yourself in several ways from scrap materials.

The device consists of several parts, and is divided into three sections:

The first is responsible for receiving raw materials,
In the second, plasticization and compression occur,
In the third - pressing.

Grain processing in industrial extruders occurs at high temperatures: from 110 to 180°C, and pressure above 40 atmospheres. Such conditions are necessary for the breakdown of fiber, proteins and starch contained in whole grains. The whole process takes only a few minutes, which means the split protein does not have time to coagulate.

Another advantage of extrusion is the production of clean and safe feed: almost all types of bacteria and fungi die during heat treatment.

The grain extruder is equipped with a special chamber in which the products are pressed. It also contains a shaft with screw pressing, intermediate and feeding elements. The power of the device depends on the engine and rotor, which is responsible for the operation of the cutting unit.

Types of homemade extruders

Industrial models of the device start at 45,000 rubles in price, which is not always acceptable for small farms and private farmsteads. To prepare complete and healthy feed for livestock and poultry, many farmers have learned to assemble the device themselves. There are several ways to make an extruder with your own hands:

For large volumes of raw materials,
From spare parts for agricultural machinery,
From a vacuum cleaner.

Before you start manufacturing, you need to find diagrams and drawings. They will help you understand the intricacies and nuances of fastening and location of the main working units.

Homemade extruder It will not only be cheaper. It can be made in a size suitable for the needs of the farm, equipped with additional figured knives or several matrices.

Extruder for large volumes of feed

This device consists of:

Receiving bunker,
Motor and drive,
Frames,
Gearbox,
cuff,
cutting unit,
Dosing screw with drive,
Cylinder.

The chamber of the pressing unit is a cylinder into which the injection screw is inserted. The auger is divided into three parts: initial, middle and outlet. For greater strength, each of them is secured with a stud with a left-hand thread. The unit is covered with a casing made of steel sheet.

The frame is welded from a corner or pipe sections. The dimensions depend on the planned volumes of processed raw materials and the length of the cylinder. The pressing unit is installed on the frame and secured with several bolts. Next, we begin to manufacture the receiving hopper. Usually it is welded from steel sheets, and a hole is made in the lower part under which a tray is placed. Through it, the raw material flows from the receiver to the supercharger screw. To move the grain, longitudinal recesses are made in the lower part of the body. At the end of the screw section, a cutting unit is installed to regulate the size of the granules. It includes:

bow hull,
Matrix,
Knives.

The knives are pressed against the matrix by a spring, and the shaft rotates using a drive and a driver. The finished product comes out through the holes in the matrix and is cut with knives according to the specified parameters.

The feed extruder processes grain only at high temperatures created by the operation of the motor and gearbox.

They are connected to the shaft and bow housing by a chain drive and attached to the frame. For safety, the electrical assembly can also be covered with steel cuffs. Temperature regulation is carried out by changing the position of the matrix, and control is carried out with a thermometer. Install it next to the cutting element.

Extruder made from spare parts for agricultural machinery

To make this device, you must have:

Electrical engine,
Gears from a tractor gearbox,
Rod, diameter 5 mm, from a hydraulic cylinder,
Wire, 8 mm thick,
Sheet metal.

To make a cylinder, several gears are welded together. The result should be a screw with a diameter of about 6.25 cm. Next, a wire is wound onto it at variable pitches. The step width gradually decreases from 2.4 cm to 2 cm. All elements are welded, and the seam is cleaned with a grinding machine.

The next stage: turning the axle boxes on a lathe. One is made for the auger, the second for the gear shaft. When the elements are ready, the parts are welded together in the following sequence: shaft, axle boxes, bearing, auger. The extruder head is attached to the latter using a die.

The assembly of the feed extruder begins with welding the frame on which the motor is mounted. It is connected to the working unit and the starting element using a chain drive. A loading hopper is placed on top: it can be either a bucket or a box welded from iron. At the opposite end, a form is installed to compress the processed mass. Passing through the die, the grain is pressed through the holes and enters the dispenser.

A grain extruder operates on the principle of a meat grinder, and the size of the granules depends on the shape and size of the holes in the die.

Extruder from an old vacuum cleaner

For production you will need:

Housing and motor from a vacuum cleaner,
plywood sheet,
Steel blank for knives,
Metal disk,
Wooden pins,
Fasteners and bushings.

This device is not very powerful, so it is most often used to prepare feed for a small number of poultry, rabbits, piglets or small cattle.

How to make a grain extruder: a square is cut out of a sheet of plywood - a base with a side of 30 cm. A motor is installed on it so that the shaft is 4 cm below the base. For the manufacture of knives, steel grade STZ or higher is used, or they are machined from car holders. The thickness of the knife should not be less than 1.5 mm, and the length and width should not be less than 20 * 1.5 cm. The knife should be sharpened in the direction of the rotating axis. For greater efficiency, the workpiece is shaped like a propeller or the angle of the corner edges is changed.

To attach the cutting element, a hole is drilled on the motor axis, and a regular bushing acts as a fastening element. The working chamber is made of metal sheet. Container dimensions: 70*6 cm. The sheet is bent into the shape of a cylinder, and the upper and lower parts are bent outward. Flanges 1 cm wide should form. They are needed to secure the chamber and hold the sieve. Three pins are installed at the bottom of the cylinder.

The mesh size of the sieve determines the size of the finished granules. The smallest is used to obtain feed flour. A receiving hopper with dampers is welded above the working chamber. With its help, you can regulate the volume of supplied raw materials.

The grain extruder is installed on a flat, flat surface. It is advisable to use the device in a room with low humidity and good ventilation. The grain is fed evenly and constantly, otherwise the compartment with the press will be overloaded. To adjust the size of the finished granules, change the sieve or tighten the matrix bolt.

Finish the work by gradually reducing the speed. After each use, the device must be disassembled and washed to avoid clogging of the working and cutting units with particles of dried food.

Extrusion is a popular method for producing semi-finished products or goods made from polymers of any length, so a DIY extruder can save you money in some cases. This process used in Food Industry or in the production of animal feed. The process goes like this: the polymer melt is extruded using an extruder head into a molding head with the required profile. This method production along with injection molding of plastic materials is now one of the most popular. Almost all polymers can be extruded: thermoplastics, elastomers and other materials.

Extruder technology has been in use for over sixty years. Over this long period, enough a large number of machines that are manufactured specifically to use this technology. If you look at the extruder in detail, you can understand what it is. The extrusion process is quite complex; it is based on physical and chemical laws. The process takes place directly under the influence of mechanical actions when exposed to high temperatures and the presence of moisture. Because of mechanical energy turns into heat, which is released due to internal friction; during processing, the material is heated.

When processing with extrusion technology, there are several changing characteristics: the composition of the raw materials provided, the percentage of its moisture content and its nature. During production, pressure, temperature, etc. may change.

Application:

feed processing;
production of plastic and polyethylene;
pipe manufacturing;
food production.

A little history

The extruder began to be used back in the nineteenth century. And mass production of this equipment began in the twenties of the last century. Extruders today are significantly different from what they used to be.

In modern industry, extruders are very popular, and you can choose from a wide variety of types. Buying a new extruder is enough expensive pleasure. But there are extruders that you can make yourself.

The easiest to manufacture are clay and feed extruders. To make other types of this equipment yourself, you must have at least some basic engineering knowledge. And these extruders don’t take much time to make, and the materials are inexpensive.

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Extruder parts

Extruder head. It consists of a body, which is heated, and a forming tool with a hole. The housing is attached to the extruder. The hole of the instrument can be tapered towards the center or in the form of a round channel. There must be a distributor in the form of a spiral.
A crown or activator improves the adhesion of material surfaces. Activators are different, they differ in power, width, they come with one-sided and two-sided fixation, or with a varying width of surface processing.
Hot knife. The hot knife is designed quite simply, but it must be directed correctly relative to the sleeve that is moving. This element almost doubles the yield. The hot knife is used for economical purposes.
The auger may not be included in the equipment. It is designed to ensure high productivity and good homogenization of the melt of the polymer material being processed.
Embossing unit. It is needed to give the film special rigidity and a beautiful commercial appearance.
A unit that allows the head to rotate. Rotating the extruder head places constant irregularities in the film, making the roll quality better but not improving the quality of the film.
Folding device equipment.
Extruder pulling device.
Equipment winder.
Extruder blow ring.

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DIY clay extruders

To make a simple extruder for clay, you will need a regular plastic bottle any shape.

Such extruders are called sculpting extruders. With their help you can work with a variety of clays and plasticine. These extruders allow you to make various parts and shapes. For example, you can make human hair or clearly draw grass.

The basis for this extruder is a simple transparent plastic bottle. It must be washed and dried well, and the lid too.

From the cover with inside you need to remove the plate. This can be done with a needle or pin. Next, you need to make a hole in it from which the clay will be squeezed out. Its diameter should be the same as the thickness of the desired lines. This is done using a sharp knife. The edges of the hole are made smooth.

Next you need to take a metal disk to which you need to attach a handle in the shape of the letter “T”. The resulting extruder should look like a syringe. The plate must be made of durable material so that during operation it does not change its shape under pressure.

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A little about the extruder for welding

Thanks to the manual welding extruder, you can do many different types of work with polypropylene and polyethylene.

At first it may seem that these materials are not very common and are rarely used.

But in reality they are used in many areas. From similar materials, using this type of manual extruder, systems are made for purifying water, various types of containers, etc. Mostly these materials will be used as auxiliary materials, but in any case it is impossible to do without them.

The welding manual extruder has a number of advantages. Any extruder model you choose for extrusion welding will be much better than others.

The main advantage of such equipment is ease of operation.

Such an extruder can be used in absolutely any room and at any time. different conditions. Simply put, you don’t need to prepare a specially equipped space or workshop for work.

A manual welding extruder can be used to make seams into a variety of shapes and designs. This is quite convenient, because you can independently control all the work. It often happens that in one area the seam needs to be made thin, and a little further away it needs to be thicker. No equipment can do this automatically.

In addition to all of the above, it is worth considering that this device is not too expensive. Its price will be acceptable for almost anyone. It is not necessary to use a welding extruder during production. Quite often it is used at home. Further care and maintenance will not take a lot of money. This extruder can perform its work for many years, and it always remains a relevant and necessary device.

Manual welding extruders come in the following types:

screwless;
screw;
combined.

Combined extruders are appropriate to use when processing composite goods. These devices use both a disk zone and a screw part. This equipment is also called worm-disc. In addition, this type of extruder has an excellent mixing feature.

Extruders that do not have screws are used to produce a solution of polymers that have high quality elements.

Usually, when purchasing this product, the buyer receives several special attachments and stands, but the manufacturers are different, so the equipment is also different. The welding manual extruder can operate at temperatures from 180 to 260°C. To put the device into operation, you need to connect it to electrical network. It is advisable to connect it to a voltage of 220 V.

Extrusion welding is a rather complex process, so to make an extruder with your own hands, you need to have certain knowledge and skills. It would be wiser to purchase equipment from a reliable manufacturer.

A simple to use feed extruder makes it possible to independently produce compound feed for animals. This device is considered an indispensable assistant both in the large-scale agricultural sector and in a small farm raising animals and birds. In specialized stores, such equipment costs decent money. To save money, you can assemble the unit yourself; drawings and recommendations from specialists will serve as an auxiliary informant in this matter.

What it is

An extruder is used to process grain crops into compound feed, which is much easier to digest in the stomach of animals. Processing is carried out using a press under a pressure of 60 atmospheres and at high temperature. The result is a product shaped like 20-30 mm corn sticks, but with a dense structure.

Apparatuses for preparing feed exist with different power ratings, and the volume of product produced depends on it. For a small farm, a device with a productivity of 25-45 kg/h is perfect - the price of such a device starts from 47 thousand rubles. But a large farm will require more powerful models capable of producing up to 1.5 tons per hour and they cost from 160 thousand rubles.

Extruder device

Due to high prices, equipment for processing products into mixed feed, even second-hand, is available to a narrow circle of consumers. But if you make an extruder for feed with your own hands, you can save a lot. Only in in this case You need to study in detail the structure of the unit, the principle of operation, and also have all the necessary spare parts available.

The design of the device includes the following elements:

frame - serves as the basis, all parts are fixed on it;
drive unit;
belt;
loading capacity;
cuff;
dosing screw with separate drive;
gearbox;
receiving tank;
motor;
injection screw conveyor;
Control block;
carved blade;
washer;
adjustment key.

Operating principle

In a homemade extruder, the main function is performed by the pressing mechanism. The element includes a pumping screw unit mounted in the cylinder. The blade block gives the product the shape of oblong sticks.

The functions of the electrical appliance are not limited to pressing feed. With its help, you can grind grain, carry out heat treatment and disinfection of feed, and mix different components into a single mass.

The design of the injection screw includes:

outer part;
internal;
heating washers;
outgoing auger.

Each unit is installed on a stud with a left-hand threaded part and covered with a housing made of metal material. Thanks to the keys, the revolutions flow from the main shaft to the combined auger. All components are firmly fixed to the frame.

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The housing element is equipped with a hole, and the receiving part is mounted to it. The internal area is equipped with longitudinal grooves, due to which all feed components are mixed along the longitudinal side of the axis.

A pellet regulator is installed on the output part; its design includes:

matrix block;
output housing;
blade pressed by a spring element to the matrix block.

The rotation of the shaft with the blade is carried out by means of a rein. Track temperature regime possible using a thermocouple mounted on the frame. Functioning grain extruder from electrical voltage. But there are already modifications that run on fuel.

We make an extruder for feed with our own hands

In the presence of required material, parts and tools, you can make an extruder with your own hands. Let's look at how to get a low-performance model.

To do this you will need:

electric motor with a power of 2.2 kW at 3,000 rpm;
gears from a tractor box - parts from YuMZ would be an excellent option;
spring 8 mm;
rod with a cross section of 5 cm;
welding equipment.

Step-by-step work on making a feed extruder with your own hands:

To obtain a cylinder, you will need to weld the tractor gears together. As a result, a spare part with a cross-section of 625 mm should be produced. Next, a spring with a diameter of 8 mm is mounted on the hydraulic cylindrical rod. Weld all the parts; if the seam is uneven, treat the area with a grinder.

Using turning equipment, grind 2 axle boxes that will be used for the auger and gearbox. Weld the auger, shaft element and axleboxes into a single piece, and do not forget to insert the bearing between the last parts.

The equipment head is mounted on the screw; it will act as a regulator of the die to which the nozzles are welded.

The auger is covered with a housing, all parts are assembled and fixed to the frame, an electric motor, belts and a starting part are also mounted. A loading container is installed on top.

In general terms, a homemade extruder is similar in external and functional characteristics to a household electric meat grinder.

VIDEO: Making a screw granulator with your own hands (Part 1)

How to use a homemade design

A grain granulator assembled with your own hands before large-scale production requires preliminary testing and verification work. Equipment should be tested in a safe environment.

The first thing that needs to be checked is the quality of all connections, as well as fasteners and maximum level lifting all the way.
Then the device is fixed on a flat, stable surface. If the coating is shaky, the device may not perform its functions properly.
Connect to a power source, start and leave for a few minutes to fully warm up the system. To prevent the elements from rotating in vain, you can check by passing a light product in the form of flour or cake from sunflower seeds through the mechanism. The correctness of the form determines whether the device has warmed up sufficiently.

When the “sausage” shape becomes smooth and dense, then the unit is ready to work with grain

After the feed comes out in the desired shape, you can add the grain product. The supply of grain must be regular without stopping; the mechanism must not be allowed to function idle. You should also add raw materials in even portions so as not to load the system and create a jam.
At the output, you need to adjust the feed fraction by periodically tightening the bolt and reducing the hole in the spinneret plate.
At the end of the productive process, it is necessary to thoroughly clean the internal components from product residues. To do this, you do not need to disassemble the device; just pour the seed shells into the equipment. This raw material is capable of well collecting grain product particles due to the oils it contains.
Reduce the rotation level to gradually cool the mechanism components. If you need to disassemble the device, you should wear heat-protective gloves, there is a risk of getting burned.

The homemade device is capable of producing up to 40 kg/h of feed. The level of performance depends entirely on the degree of motor power that is included in the design of the equipment. For personal use, such processing efficiency will be sufficient.

Mechanized processing of raw materials makes it possible to fully provide livestock with compound feed, while reducing the cost of purchasing factory-made feed. In the process of preparing feed pellets, you can use a variety of grain products with additives, enriching the diet with various microelements and macroelements, which are so lacking in regular feed.

VIDEO: Making a screw granulator with your own hands (Part 2)

The life of a farmer is full of worries, as many people know. Relieve hard labour possible with the help of modern technology or machines. The feed extruder is designed for preparing pet food of different quality and in different quantities. But not everyone can purchase it for the farm due to its significant cost. A do-it-yourself feed extruder will significantly reduce costs and provide you with an excellent household assistant.

Is it possible to make such a unit? with my own hands? Let's try to figure it out.

What is an extruder used for?

Using such a unit, you can process grain into animal feed with high digestibility. Any grain, even not the first freshness, can be processed in an extruder under pressure (no more than 60 atmospheres) and exposure to high temperatures (up to 1600 degrees). The output is products resembling rods or flagella with a diameter of about 3 centimeters . Power may vary, depending on the desired quantity of final products. A productivity of 20-40 kg/hour is sufficient for a small farm, and for large farms - a device capable of processing 1-1.5 tons/hour.

Of course, you can prepare the food yourself, steam or boil the grain, adding different components to it. But its quality will be completely different, and animals will need more time to digest it. You need to spend a lot of time, production will produce a lot of waste. All these problems can be avoided by using a feed extruder.

Not everyone can afford to buy such a device, even if it has been used, due to its considerable cost. Many use their imagination, ingenuity, and their own skillful hands- and creativity begins. Some craftsmen manage to assemble good examples of a household extruder with their own hands. Every owner can try to make one, the main thing is to familiarize yourself with device and don’t be afraid to experiment.

How the unit works

The extruder is composed of the following elements:

The main work is performed by the pressing unit. It is assembled from a forcing screw, which is inserted inside the collection cylinder. Using a matrix With a cutting knife, the resulting mass takes the form of sticks or flagella.

The injection screw consists of three stages:

entrance part;
middle part;
output screw;
heating washers.

All components are mounted on a stud with a left-hand thread. The part is closed with a metal casing. The keys transmit rotation from the main shaft to the composite screw. The entire structure is attached to the supporting frame using powerful bolts. The case has a window with an attached tray.

Inside the housing itself there are several longitudinal grooves that move components along the axis of the screw. A pellet regulator is located near the exit. It includes:

bow body;
matrix (disk), which regulates the process with a handle;
roller and knife, which are pressed to the matrix by a spring.

Rotate the shaft with the knife through the leash with your fingers. The finished extrudates exit through the nose housing and the hole adjustment dial. The disk is fixed in one position with a bolt; when the position changes, the temperature and pressure level in the apparatus will change. A thermocouple placed on the housing allows you to monitor the temperature.

It runs on electricity, but new models are appearing that run on liquid fuel. Warming up occurs gradually. At the first stage, while the extruder is heating up, cake or flour is loaded into it. The grain is fed only when the system is well heated; it breaks and turns into sticks only at high temperatures and strong pressure.

Is it possible to make an extruder yourself?

You can do many useful things with your own hands if you have a set of tools and necessary details. Many drawings can be found on the Internet or by reading the instructions before the factory machines. To independently create a unit, you cannot do without:

electric motor (for example, 2.2 kW, 300 rpm);
gears from the tractor box;
rod from a hydraulic cylinder (diameter 50 mm);
wire (8 mm) or springs;
turning and welding machines.

After preparing the tools and workpieces, they move directly to the manufacturing process of the unit.

Feed extruder made with your own hands can work non-stop for a long time without consuming too much electricity. The operating principle is reminiscent of a regular meat grinder, only in the end you get not minced meat, but harder sticks. The size of the finished feed depends on how large the spinneret holes are.

The homemade device should be thoroughly checked and tested before use.

DIY extruder, can process no more than 40 kg of grain per hour. For a small farm this is quite enough. Feed prepared by mechanical processing - good nutrition pets, reducing the cost of purchasing food and time for preparing it.