Do-it-yourself oil press using a jack. Making a press from a jack with your own hands

To process oilseeds, special equipment is used - an oil press. By using such a simple device, which some craftsmen make with their own hands, at home or in small-scale production, you can obtain an environmentally friendly product that is superior in taste and healthiness to oils sold in stores. The technical characteristics and design of the equipment used depend on which plant crops and in what quantities the oil must be obtained.

To obtain oil for your needs, it is enough to acquire a device whose design is quite simple

Cold pressed oil press: DIY and home use

To obtain oil for your needs, it is enough to acquire a device whose design is quite simple

Tips for choosing

You should choose an oil press only after studying the mechanism of operation of the device and the intricacies of oil production. The main nuances when choosing are as follows:

Reliable fastening of equipment elements to the frame. Cast products are considered the highest quality.
Availability of special protective structures and casings.
Decent electric drive power.
Convenient weight of the unit.

Technical characteristics are usually specified in the accompanying document for the product. You should definitely familiarize yourself with it when purchasing. It is also necessary to pay attention to the product passport and the availability of a warranty.

Design Features

Producing vegetable oil at home using a purchased or self-made press has a number of features that must be taken into account.

When producing oil at home, the finished product has a two-year shelf life. A home press can be purchased in a serial version or made by yourself.
Using a household squeeze press, you can extract oil from sunflower seeds, olives and even nuts.
One of the simplest and most cost-effective ways to make a device for extracting oil is to remake a serial household press designed for squeezing juice from grapes and apples. In such equipment there is no need to change working attachments - it is enough to replace the holder with a device of higher power. This modernization will allow the unit to be used not only for processing olives, but also for squeezing oil from sunflower seeds.
A home oil press, the basis of which is a worm screw responsible for pressing, can be made using improvised means. When designing such a press, keep in mind that the pressure it will be able to develop will depend on both the diameter of the worm nut and the power of the beam risers. To provide the created device with higher reliability, the beam that serves as the basis of its structure should be made more powerful. These requirements are fully met by a wooden oil press, the mechanism elements of which are made of solid oak. A budget alternative to such a unit is a press, the structural elements of which are made of metal.
A household press (like any other) used for squeezing oil requires a cylinder without a bottom in its design, which can be used as an ordinary metal barrel. To increase the rigidity of such a cylinder in its lower part, you can take a metal hoop. If a wooden barrel is used as a cylinder, the material from which it is made must be dry and highly hard. The ideal material in this case would be solid oak.
Important design elements that an oil press should be equipped with include the peeling rollers, which are a pair of replaceable rollers. Their rotation is ensured by gears mounted on the metal racks of the device. On the racks, in addition to the gears, the upper and lower buckets are fixed, as well as a handle, which ensures the rotation of the mechanism elements, or a toggle bucket. Peeling rollers are usually made of wood, and their working surface is lined with a float cloth.

Diagram of a press with a worm screw

Homemade screw press for squeezing oil or juice

Operating principle

Once the wooden oil press (or metal) is assembled and equipped with replaceable attachments, you can begin to use it for its intended purpose. To extract oil using such a unit (for example, from sunflower seeds), you must perform the following steps:

Raw materials are poured into the loading ladle of the device.
The rollers, the surface of which is covered with a grater cloth, are driven into rotation by means of a handle.
Due to the rotation of the rolls, the raw material is drawn into the gap between them, where the peeling occurs.
After peeling, the sunflower kernels and the husk from which they are freed end up in the lower bucket.
The mixture consisting of sunflower kernels and husks is winnowed.
Rollers with a grater cloth are replaced with rollers with a smooth surface, with the help of which vegetable oil will be squeezed out.
The cleaned seed kernels are placed in the upper bucket and sent to rolling.
To reduce the size of the gap between the rollers, which is necessary so that the seed kernels passing between them are compressed with the required force, a special lever of the hand press, which is moved to the second position, allows.
The result of rolling is a mushy mass, which must be pressed to extract the vegetable oil from it.

Manual type wooden hydraulic oil press for squeezing oil from seeds and nuts

Since a manual squeezing press is not able to provide the high pressure exerted on the raw materials used, the percentage of oil yield is lower than when using specialized equipment. If you use an electric motor or a hydraulic press to drive such equipment, you can correct this shortcoming.

A manual oil press has a number of advantages. We present the most significant of them.

Due to the simplicity of the design, such a press can be made by hand.
The finished product has excellent taste and high nutritional value.

Manual screw press for home oil extraction

At home or in a small production workshop, you can use both a wooden and a screw press to produce vegetable oil, which are highly efficient. It should be kept in mind: if you do not make such devices for extracting oil yourself, but purchase ready-made models, then a wooden press based on a hydraulic mechanism will cost much more than a screw press. If you take such a unit to organize a small business producing and selling environmentally friendly vegetable oil, it will pay for itself quickly enough. Such equipment will pay for itself even faster if you use it to produce not only sunflower, but also olive or even cedar oil.

What methods are used to extract oil from vegetable raw materials?

Vegetable oils, depending on the extraction method, are divided into two main types, each of which involves the use of a specific technology and appropriate equipment. These types, in particular, are:

oils obtained by hot pressing;
cold pressed oils.

Oil extraction area using double hot pressing

If the oil is produced using hot-pressing technology, then the pulp obtained after rolling is placed in special fryers, where it is heated to a temperature of 110° and at the same time moistened. At the same time, the mass is constantly stirred. After such preparation, the raw materials are placed in a screw device, where pressing is performed, as a result of which the oil is released. Vegetable oil obtained using hot-pressing technology is distinguished not only by its beautiful dark golden color, but also by a very bright aroma, as well as the taste of fried seeds.

Meanwhile, cold-pressed vegetable oil is considered more useful, since the raw materials for its production are not subjected to thermal effects, and accordingly, the product retains all its beneficial properties. For cold pressing of oil, a technology similar to that described above is used, only it does not include the stage of heating the pulpy mass that has passed through the rollers. Vegetable oil obtained using cold-pressing technology, although it has more beneficial qualities, has a shorter shelf life, and over time acquires a darker color and a bitter taste.

Production equipment

Even high-performance equipment designed for producing vegetable oil in industrial conditions is small in size and, accordingly, does not require much space for installation. Modern models are often mini-complexes for the production of vegetable oil, equipped with various working modules, which significantly expands their functionality.

Screw oil press, designed for cold continuous extraction as part of a production line or as an independent device

Thus, a typical sunflower oil production line operates according to the following principle.

The raw materials must be dried, cleaned of various contaminants, and foreign impurities are removed from them.
In a special module, the seed kernels are separated from the husks and crushed.
The crushed seed kernels are steamed, and if we are talking about hot pressing, they are also fried.
The oil is squeezed out from the prepared mass.
The oil obtained immediately after pressing goes through a filtration stage, which significantly increases its purity.
After filtration, the finished oil is poured into containers and sent for storage.

Hot oil extraction line (click to enlarge)

In addition, modern lines for the production of vegetable oil from seeds necessarily contain modules where the finished product is refined and deodorized, which improves its quality characteristics.

And finally, a video with a presentation of a professional screw oil press used in serious production.

How it all began

Before opening my own business, I tried on different professions. I worked at a construction site, in a restaurant in the center of St. Petersburg, and in a store. I was interested in trying a lot. For example, I went to a restaurant to make sure that all the dishes were prepared for the client and not in advance. When I was selling expensive watches, I communicated with very rich people and was able to understand their psychology.

My friend Mikhail and I started thinking about starting our own business in the summer of 2015. It so happened that at our last place of work we were not paid our salaries for a long time. And when we paid, we bet everything on the red, that is, we invested in the business.

We considered various options for starting, but we wanted the business to be related specifically to production. As a result, we settled on the idea of producing oil. Then it seemed to us that it was simple and that we could definitely do it together.

To find out how interesting the product would be to potential consumers, we called almost all health food stores in St. Petersburg and Moscow - about 100 stores. Most of them showed interest in flaxseed oil. It is believed to be very beneficial for health.

My partner and I correctly distributed the responsibilities. Everything related to communications, payments, documents is under the control of Mikhail. I still have tasks such as communicating with clients, conducting negotiations, presentations, and public relations. Now the project takes a lot of time and money. If we compare the company with a child, then now it is just trying to get on its feet, there is not even any talk of any crazy profits yet.

Oil press "Trudyaga"

Post by Kino » 05 Aug 2022 21:13

Re: Oil press "Trudyaga"

Post by Kino » Aug 30, 2022 11:55 pm

We rented a room, brought it, set it up, did a test run, at first everyone was smiling from ear to ear, there it was, the oil started flowing, everything seemed fine. But when they measured the oil output, that’s when they gave up. the oil yield was only 20%. This would be enough to cover the costs of purchasing raw materials, just 0, or even -. After which we went to the house forum on the topic “Minioliynitsa” and realized that we had simply ended up on a pile of scrap metal.

There I met Valera, the creator of that topic, contacted him in personal correspondence, he responded and agreed to help me, for which I am very grateful to him. Then he explained to me about all these presses, winnowing fans, etc. Over time, we decided to make the same abs as Valera’s, which we have never regretted. By the way, we are the first to completely adopt the entire technology based on the principle of Valera’s oil shop; I am still amazed how those people who read that topic on the forum house did not even try to repeat this experience. Everything is there: oil yield, quality, taste and performance. But for many people even now, on that topic, it’s just a “bummer” to read the beginning of that topic, but everything is written there in detail. Well, okay, that’s their business, apparently they like to poison people with drying oil in the form of raw oil. Next, I will try to recreate the chronology of how we manufactured our new oil press, which later received the name “Worker”, I will describe all the mistakes that were made in manufacturing, etc. To be continued.

Re: Oil press "Trudyaga"

Post by Kino » 04 Sep 2022 23:29

Re: Oil press "Trudyaga"

Post by Kino » 04 Sep 2022 23:41

Re: Oil press "Trudyaga"

Post by Kino » 24 Oct 2022 00:46

Re: Oil press "Trudyaga"

Post by Fermer » 31 Oct 2022 21:11

Re: Oil press "Trudyaga"

Post by Kino » 01 Dec 2022 23:11

I will continue to describe the oil press. Next I will transfer information from the previous forum.

The turner has machined the grain chamber, but they do not have the ability to make the necessary grooves. Question for Valera, can you describe in more detail how to make these very grooves (we have 6 of them in the drawing, as you advised). Since these guides have an unusual profile, in the workshops they roll their eyes at me for five kopecks. As far as I understand, these grooves are made on a planing machine or can they be made on a slotting machine? Since I have never encountered these things, it is difficult for me to imagine how all this should happen and it is difficult to explain anything to turners. There, as I understand it, it is necessary to sharpen the cutter of the shape we need. This turned out to be the most difficult part for us to make for the oil press, I think this will not only be a problem for us. Be kind, tell us how you made these grooves (maybe you have a video or photo?)

Valera: The grooves on the grain chamber were made for me on a planer. The operating principle of this machine is shown in this video. The cutter, naturally, must be sharpened to the profile of the groove.

Re: Oil press "Trudyaga"

Post by Kino » 01 Dec 2022 23:16

I would like to ask Valera a few questions, if anyone knows the answers, let him answer too. How much nigrol should be poured into the thrust bearing housing? Is a liter enough? If I pour it in there, will it leak between the flange joints? In what position should the gear motor be positioned or does it not matter how it stands? Is 1.5 liters of oil enough? I will fill it with TAD 17.

Valera: In principle, everything is fine with you, it will work. That's just it. On the auger, the incoming profile is somehow triangular, and this will not allow the seed to be loaded normally; it will “get stuck” in that profile. There should be a rectangular profile with polished surfaces of the turns. They themselves need to be polished; an unpolished loading profile will also not have a good seed load. But the rest of the profile of the turns will be polished on its own, first with dust, then with seed. In an hour or two, everything will be shining there. The main thing is not to overheat the auger, otherwise it will burst. Using a press, in place of the threaded connections of the assembly segments, followed by welding, they simply make a cut on a lathe for the weld and then the result is a seam of “solid” strength, without protruding bulges of the seam itself. Where you welded on a stubborn fungus, it would be better if you put a ring of hardened metal there. It is with that surface that that stubborn fungus takes on the entire load. I have that fungus machined from improved steel, and over the years, the metal has squeezed out about a millimeter there. Well, it’s not scary - it’s just that the auger has moved back a millimeter, in place of a radial bearing, which transfers the entire load with its inner race to that mushroom. As for the granulator, everything is fine. only there is no oil scraper, and without it there will be no additional oil. To start the press itself and to squeeze out watermelon oil, you still need a clamping nut, not a granulator. and on the gearbox housings and the thrust bearing housing - on the top I don’t have oil nipples, but grease fittings in the form of short bolts with holes drilled through. Without them, during operation, heated air will squeeze out all the lubricant through the bearings and seals.

Re: Oil press "Trudyaga"

Post by Kino » 01 Dec 2022 23:21

And also regarding the launch, you wrote about the clamping nut, is it possible to do without it for now and start the press, as you showed in this video? If you press only sunflower oil.

Valera: Just on the FH forum and in personal correspondence, I told you in detail that a pressure nut is hundreds of times easier to use during startup than water on a granulator. With water you need SKILL, and with a clamping nut the child will start the press.

Electric butter churner 45 W, 11 l Aksinya KS-9000 + gift (Butter churns)

Photo: https://market.yandex.ru/

The electric household butter churn is designed for churning butter from cream and sour cream obtained by separating milk and cream collected in domestic and similar conditions, as well as for preparing cocktails, mixtures, etc.

Electric butter churner 45 W, 11 l Aksinya KS-9000 + gift (Butter churns)

Advantages:

stainless steel electric drive housing
tank and impeller made of food-grade aluminum
stainless steel tank cover
efficient whipping of butter
preparing milkshakes and mixtures
ease of assembly and use

Flaws:

not detected

A good oil press will allow you to obtain natural oil without chemical additives in a short period of time. The rating presents high-quality, safe, functional devices at an affordable price, from which you will definitely choose the best option for yourself.

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Homemade oil press

To obtain oil industrially, the seeds are filled with gasoline fractions. Hexane, for example. When oil is formed from the seeds, this hexane is removed using steam, and its remains are removed with alkali. At the exit, various undesirable substances appear in the finished product: resins and pigments. Residual solvents are rarely completely evaporated.

Before the oil obtained by extraction can be consumed as food or used in medicine, it needs to go through several more stages of purification: refining, then hydration, then bleaching, then deodorization and finally a couple more filtration steps.

We've heard the phrase about oils that go through 7 stages of purification. It's true! Extraction oil can be endlessly refined, filtered, refined, filtered - to get rid of traces of chemical gasoline components.

What is the result?

A product without the slightest signs of life: without a single color and with a complete absence of any odor. The resulting liquid is bottled, and “oil” is proudly written on all labels, misleading all buyers as if it is so.

It is interesting that in Russian supermarkets, for example, more of this refined oil is sold per year than the amount of all the seeds grown in Russia and the CIS!

How is this possible? With the help of cheap palm oil, which is used to dilute already deodorized, refined and processed oils in all possible chemical ways.

Now it’s clear why vegetable oil is HARMFUL?

Because it is impossible, even with the longest and highest quality processing, to remove residues of chemicals and gasoline from it - they will definitely be present in the finished product. In addition, refined oil, which has been subjected to heat treatment and exposure to chemicals, unlike natural oil, has a very low content of vitamins, proteins, phosphatides, chlorophyll and carotene. Its composition is saturated with fats and is very different from what nature originally “intended.”

And then we eat it! We fry food in oil and gasoline! But few people know that at high temperatures, chemical reactions occur in it, as a result of which new, extremely toxic compounds are formed. Therefore, under no circumstances should the oil be heated above 150 degrees or reused! And in a frying pan it reaches a temperature of as much as 250 degrees.

Throughout our lives, without thinking at all, we consume this super-toxic miracle in food, and even with gasoline, and then we are surprised by our unexpected illnesses and poor health. We are outraged that people get cancer at an early age and age faster than before...

What to do?

But you need to make your own oil press, fortunately there is nothing complicated here.

The mini oil press ensures the production of high-quality oil that lasts for 1-2 years. It can be used to obtain oil from sunflower, rice, hemp, flax, pumpkin seeds, watermelon, melon, and nuts.

Once upon a time, hardware stores sold mechanical presses for pressing grape or apple juice, some of them providing pressure of up to 12 atmospheres. Adapting them to oil pressure is very simple: you just need to replace the holder with a more powerful one.

If you were unable to purchase such a press, then it can be made from scrap materials. The design provides pressure on the mass using a worm screw. The pressure force depends on the power of the beam risers, as well as the diameter of the worm nut. Therefore, it is better to make a beam with a large power reserve, that is, thickness and width, from hard wood, or find a metal one.

The design has a cylinder without a bottom. It can be made anew or made from part of a barrel, preferably a new one with straight riveting, reinforced at the bottom with another hoop. The press wheel is made of hard wood: oak, beech, ash, acacia. The material must be dry. It is advisable to make all other wooden parts of the structure from the same material. If you use metal (pallet, hoops, flange), then it is advisable to use stainless metal or bronze.

At oil pressing plants, the operations of peeling the husk and crushing the kernel are performed separately. Here they were able to be combined in one design, which is not difficult to manufacture.

Skinning rollers are two replaceable rollers that rotate using gears mounted on metal risers, to which the upper and lower buckets, changeover lever or rotation handle are also attached. All these parts can be made or picked up from scrap metal. Replaceable wooden rollers, linen-lined graters (depending on the width, one or two graters are needed per roller, on which they grind potatoes into starch or potato pancakes).

The installation process occurs as follows: when the seeds poured into the bucket are peeled from the husks, gear 2 rotates from working gear 3, and from them the upper roller, lined with a grater cloth, rotates. Attached to operating gear 3 using a lever and a spring, changeover gear 1 engages with it and rotates another roller (lower), covered with a grater cloth. The direction of its movement is rotational. The seeds that are fed into the gap between the rollers are peeled off. The kernel and husk fall into the lower bucket.

This mixture is collected, winnowed and, replacing the rollers with smooth ones, poured back into the upper ladle. Now for rolling. But in order for the structure to crush the mass, the lever must be moved to position B in order to disengage gear 1, which will now rotate freely in the same direction as gear 2, squeezing and pressing the core. The rolled mass in the form of a slurry is used for pressing and squeezing out the oil.

Both the peeling rollers and the press separately work incomparably. The product comes out clean, of high quality, and tasty, especially when the kernel is well fried. To do this, frankly speaking, you need experience (all this is achieved experimentally). Product yield is slightly lower than at specialized enterprises. This is understandable, the pressure is not the same. But this, as they say, is not so bad.

Insufficiently squeezed out pulp (cake), if the kernel has been well cleaned, can be successfully used for making candies, cookies and other sweets.

And the oil comes out of high quality. In addition, it is possible to mechanize these installations and install electric motors. Make several different types of installations and open a home oil refining mini-factory, etc.

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Butter churn from an old washing machine

Let's tell you a little about how you can make oil dishes for obtaining olive or sunflower oil with your own hands and what features there are in these matters.

Mini oilers for pressing allow you to produce oil that is suitable for consumption for two years. You can assemble the device yourself or buy special presses for household use.
Homemade oilers are designed to produce products from sunflowers, olives or seeds with nuts. It all depends on what kind of oil you need.
The easiest way to make wringer oilers with your own hands is to adapt a mechanical press. Previously, they sold a hand press, with the help of which they squeezed juice out of grapes and apples. To obtain olive oil using the pressing method, you don’t even need to change attachments. The holder is replaced with a device with increased power. This will allow you to use the unit as a press for squeezing sunflower oil or olive oil, beloved by many.
If you can’t purchase a manual squeezing press, you can make the device yourself using improvised means. A homemade press involves the use of a worm screw for pressing. The pressure generated depends on the power of the beam risers and the diameter of the worm nut. It is recommended to make a beam with a power reserve. The best option is an oak mechanism. If you cannot assemble an oak unit, you can use a metal structure.
The design provides for a cylinder without a bottom. It is made or made from part of a barrel. It is recommended to strengthen the structure from below with an additional metal hoop. The main thing is that the material is dry and made from hardwood. An oak cylinder would be the ideal solution.
Peeling spin rollers. This is a pair of replaceable rollers that rotate due to gears. The gears are mounted on metal racks and buckets - upper and lower - are fixed to them. There is also a handle for rotation or a toggle lever. All this is assembled from scrap metal. Only the rollers are made of wood and lined with grater cloth.

How does he work

Having a ready-made design and replaceable squeezing attachments, you can start making sunflower or olive oil.

A seed is poured into the ladle;
The handle sets in motion the mechanism that acts on the seeds with a grater;
The seeds end up in the gap between the rollers, due to which the peeling process occurs;
The kernels and husks end up in the lower bucket;
The mixture is collected and winnowed;
Roller attachments are replaced with smooth spin devices;
The mixture is again placed in the upper ladle for rolling;
The corresponding lever is moved to the second position to disengage the gear. Now it will rotate freely in the direction of the second gear, pressing and squeezing the seeds;
As a result of rolling, a mushy mass is formed, which is sent for pressing.

The output percentage of finished products is not as high as with specialized equipment. This is due to the fact that the nozzles of a home oiler operate with insufficient pressure. This can be corrected using a hydraulic press or an electric motor.

Important advantages are the minimal cost of constructing an oiler and obtaining a high-quality natural product by pressing.

For home use, you can purchase a wooden unit or an auger. Both the wooden and screw type oilers have excellent efficiency.

A screw unit will cost approximately 13-15 thousand rubles, and for a wooden hydraulic press you will have to pay at least 50 thousand rubles.

But if you use the resulting oil not only for yourself, but also sell it to friends or acquaintances, over time, buying an oil can will completely justify itself.

Even with a mini oiler, you can organize a small business producing cold-pressed olive oil or the most popular sunflower oil.

Mini - Screw oil mills, Oil press, Mini - Oliynitsa

Mini - Screw oil mills for the production of vegetable oils, productivity 30-50 kg/seed/hour, yield 30-45% (depending on the oil content of the seeds). The machine can be used to produce granulated feed.

Advantages of the Creamery design: — The machine can additionally be used for the production of granulated feed; — The drive of the machine is soft, smooth, creates convenient operation for the bearings and electric drive; — Machine augers are separated from the drive, so you can easily and inexpensively replace a worn one with a new one; — The oil press can be easily transported in the trunk of a car; — The resulting oil (steamed) does not foam when frying; At will, the oil can be produced with or without odor.

The screw rotation speed is up to 60 rpm, it gives a good spin percentage. And “Machines with higher productivity and relatively low price” simply use a higher drive speed, which causes a large % loss in oil yield. Draw conclusions about what is more profitable for you, “higher productivity” or a higher percentage of oil extraction.

If you decide to start your own business, you should pay attention to food products, since people always need food. Creamery may be an excellent choice.

Today, for relatively high productivity, it is much more profitable to supply workshop oil

1, 2, 3 Mini oil mills, rather than installing one large, expensive machine, which in any case will cost more.

If you don’t have your own raw materials, you can negotiate and accept them for processing. The oil produced on different screw presses is identical in its preparation and composition. But in a workshop with Mini-Oil Mills, you can turn on 1 machine, several or all, and at the same time produce different oils - with or without a smell, adding roasted seeds to the bunkers of some machines.

Prevention and repair of Mini Oil Mills is much cheaper than large machines. And if 1 machine in your workshop fails, you can continue working on the rest. Whereas when a large machine fails, your entire Workshop is down.

To organize a mini creamery you will not need a significant number of employees.

One person can easily operate three units.

Mini oil mills process various seeds into oil

Hazelnuts – 50% oil; Almonds – 50% oil; Walnut – 50% oil; Poppy – 50% oil; Sesame – 50%; Milk thistle – 15%; Regis – 20%; Mustard - 15-20%; Linen – 30-35%…

Spin methods

Before choosing oil extraction devices, you need to decide what type of oil product you are targeting. There are two ways to obtain this sought-after liquid.

Hot pressed oil. Before squeezing, the mushy mass is heated to a temperature of 110 degrees Celsius. At the same time, the mint is moistened and mixed in roasting pans. After this, the screw mechanism compresses the raw materials. The hot-pressed product has the taste of roasted sunflower seeds. This oil is darker, has an attractive color and an amazing aroma.
Cold pressed oil. Cold-pressed products are considered more useful, since some properties and useful components of the raw materials are not lost when heated. The essence of cold pressing is the absence of the stage of heating the raw materials. Cold-pressed liquid retains all the beneficial substances and vitamins. But the shelf life is lower. Over time, the oil darkens and acquires a bitter taste.

Homemade oil press. Page 2 of 3

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This means how far this front slotted nut is from the edge of the auger. In other words, how thick is the crown plug, that is, how tightly is this large nut clamped. The die is the front adjustable part with a hole for the crown to exit. The head (or cone) is the front of the auger. For you it is most likely just a blunt semicircle, and not a cone. Regarding the gap - if the seed is fried and practically without moisture - then it is pressed very “hard”, despite the oil. When there is moisture in the seed, everything becomes “slippery,” so your blood pressure has risen. You could say dry. I highly recommend reading the topic at the link below - everything is written there by Valera about olive oil on fried seeds. topic on oliina In short, he roasts the seed in closed braziers so that it warms up but does not dry out . Just because of the difficulty of pressing dried seeds.

Thanks KOHDPAT, I chewed everything up!

The thickness of the plug was about a centimeter

I have a question for you as an experienced oil presser. The flour should come out dry or a little damp, and what is the approximate yield of oil, I’m new to this business, thanks in advance.

The oil yield depends on the seeds, on average up to 40 percent. In the photo of your abs you can see that the top comes out like a strand. Do it as in the photo, the top will be petals, by squeezing you can adjust the oil output.

But everyone here is like this - homemade underground workers. I’m also setting up an oil press that came to me. There are still more problems than answers.

Let's post some pictures, it's interesting.

My press came with an 8 mm die, I found a 5 mm one, the top was drier, but sometimes it spit out with oil. From 100 kg, the result was an incomplete milk bit of butter; after settling, it turned out to be 25 liters. I would like more, so I tightened the nut until it broke. But what should I do with the sediment?

It is on the issue of sediment that there are the main problems. Since the oil is almost black. I found one cleaning option - after spinning - it costs 2-3 days. It settled - about half - fuz - half oil. Carefully drain the oil, and fill the fuz with the remaining oil with warm water. mix well - and it stays warm again. Water, falling down, displaces oil from the fuses to the top. And the fuz remains moistened with water. After draining the rest of the oil, I mix the fudge with water with the shit - and use it as animal and poultry feed. The oil will then, of course, settle gradually - well, this can be removed later by fine filtration.

There are no photos yet - it looks like an ordinary Krivoy Rog screw press. Something like this.

It certainly works. But there are a few things that don't suit me. He previously worked on roasted and partially hulled seeds. I read that high speeds are not good. Mine is 80 rpm. The planetary gearbox is assembled with the engine - that is, you can’t just reduce the speed. Next, I don’t like that the oil has to return back through the sleeve. It turns out that the oil washes out all the dust, small debris, etc. from the incoming raw materials. That is, the output we get is an oil solution of all sorts of crap. And oil is a very well-known and strong solvent. I'm looking into heating options. Yes, of course - if you winnow the seed, wash it in a washing machine and dry it with a hairdryer, then the product may come out cleaner - but this is not our method. I’m thinking right now - how to get around this design flaw of such a press. Of course, it’s naive to believe that I’m smarter than all the scientists who worked on creating oil extraction equipment - but who the hell isn’t joking? . I invite everyone who is interested to think about this question in this cold winter lull. I have uploaded a bunch of videos on YouTube. To be honest, there is not much out there on this issue. Three or four variations on a theme. In short, we think.

Rely only on yourself

We studied the issue of state support. But it seems to me that so far assistance to entrepreneurs is provided only in words.

We managed to send our oil to the Kremlin and the Ministry of Health - we'll see what comes of it.

We tend to believe more in venture capital investments. Now we have an idea to post on the Boomstarter site. I know real examples of manufacturers who were able to raise money there to expand production. We pinned great hopes on the SKB Kontur project “I am a businessman.” I believe in such support more than in the hypothetical benefit of the state. Although, it seems to me that this is a very necessary thing, because there are fewer and fewer industries. Everyone wants minimal costs and maximum profit; no one wants to do anything with their hands.

Every time I interact with customers in the store, I know I'm doing the right thing. Now, if the state even just talked about young entrepreneurs, about the difficulties they face, how they cope with them, and all this was shown on TV instead of some criminal action films, such support would be more valuable than money. Open and honest information about business is very important now.

Personally, my desire to get into food production appeared after I read the blog of Mikhail Peregudov, the founder of the Food Party. He was professionally involved in marketing and PR. His principle is maximum transparency, so he calmly writes about his income and how he went broke. This is a story from a living person, which is why I want to read his blog.