Advantages and disadvantages of furniture eccentric screeds

Composition and types

Manufacturers produce a number of modifications of eccentric couplers, the constituent elements of which are:

• stand (rod);
• futorka (performs the function of a nut);
• eccentric;
• metal or plastic sleeve, dowel;
• plug for minifix - at the discretion of the manufacturer.

The assembly of massive furniture elements involves the use of a reinforced eccentric, which is encased in a body and has an additional foot. In this case, the tie can be tightened by placing the screwdriver at an angle.

Hardware manufacturers also offer furniture assemblers corner (with hinge) and double-sided eccentrics. Only recently they have not been in demand.

All components of the eccentric are divided according to the following parameters:

• kind of futorka;
• size and diameter;
• type of stand - short (up to 3.8 cm), long (up to 5.8 cm), double-sided;
• type of rack attachment - self-tapping screw or self-tapping screw.

Similar minifixes are used for assembling products from chipboard or chipboard. It is advisable to use such ties in secluded places where fastening marks will be practically invisible. You can only see the eccentric, and even then only from the inside. Subsequently, to give the furniture an aesthetic appearance, it is hidden with a plug.

Dismantling

Replacing an eccentric in a bathroom begins with dismantling outdated or unusable equipment. Carrying out the work in this sequence will allow you to correctly select a new device, taking into account all the features of pipe supply and the wishes of the customer.

How to unscrew the eccentric? It is recommended to perform the work in the following sequence:

1. shutting off the water supply. If you do not first shut off the flow of water to the mixer, then replacing the eccentrics will lead to flooding of the bathroom and neighbors living on the lower floors;
2. disconnecting the shower hose from the mixer;
3. dismantling the mixer. To perform this work, it is necessary to loosen the nuts securing the device using an adjustable wrench or wrench of the appropriate size;

Removing the faucet in the bathroom

1. removing the reflector - a special decorative device that covers the junction of the pipes and the mixer. The reflector is installed by screwing onto the eccentric. Therefore, to dismantle it, it is enough to unscrew the device;
2. dismantling (unscrewing with a wrench) eccentrics.

Unscrewing the device from the pipe

After completing work on removing the eccentrics, it is necessary to clean the walls, pipes and other components from accumulations of dirt, rust and other types of contaminants.

Assembly sequence

To install eccentrics, you must have a certain tool:

• a set of drills with a diameter of 7.0 mm (for the rod body), 53.0 mm (for tightening the stand);
• screwdriver;
• Forstner router with a diameter of 15.0 mm;
• screwdriver, pencil, awl and square (ruler).

The assembly sequence is as follows:

• a restex stand is screwed into the plane of the panel body, to which another part will then be connected at the end side;
• An eccentric is mounted at the end of the second shelf, tightening the rod by turning it towards itself.

To maintain utmost punctuality in fitting the required holes, a template is often used.

Pros and cons of fasteners

The minifix fastening connection evokes only positive emotions among craftsmen, since it has obvious advantages over other types of fasteners.

Furniture assemblers attach particular importance to such advantages of eccentrics, because they:

1. Easily cope with impressive loads. Eccentric fasteners are very reliable and can withstand a large number of assemblies/disassemblies of wooden structures without loss of strength and quality of the connection.
2. A very durable and economical fastener.
3. Increases the rigidity of the manufactured product.
4. Eccentrics refer to fast or quick installation screeds. Assembly of all kinds of furniture with built-in minifixes is minimal in time and all you need is a classic slotted screwdriver.
5. The elementary nature of the assembly work allows any average person to carry out the installation with their own hands.
6. It does not spoil the aesthetic appearance of the product at all - it is not noticeable after installation and does not leave visible defects or damage.

There are no significant disadvantages to such clamps, but still some disadvantages can be traced:

1. The cost of the eccentric is slightly higher than that of typical confirmats. If the assembly of a piece of furniture involves a significant amount of such fasteners, then the final cost of the product will increase significantly.
2. The installation technology is not entirely simple; you need to make three holes for fastening and have special, precise equipment available.
3. High demands on marking accuracy, without which it is unlikely to be able to ensure the strength of the joints of furniture units.
4. During the operational period, the screed may weaken slightly.

To obtain a durable, high-quality and durable piece of furniture, it is worth adopting just such a fastening element.

Video lessons and photographic materials that can be found on the Internet will help self-taught amateurs to assemble cabinet furniture technically correctly. You can also study the instructions that come with the product.

Watch the video in which a specialist talks about eccentric screeds in furniture production:

Source: anatomia-remonta.ru

Little background information

For many years, in the Russian production of furniture from laminated chipboard, a screw tie was used. In our country it is called “kon”, but in Europe it is called single-element or Einteilverbinder. Despite the low cost of the screed we were given, it has one significant drawback - the confirmation heads, even under the plugs, are very noticeable on the walls of the case. And this in turn makes it not very high quality and attractive. Furniture assembled without visible fasteners looks more solid and attractive, and automatically belongs to the highest sector.

As the production of do-it-yourself cabinet furniture grew and the introduction of modern technologies began to appear on the market, other types of high-quality ties began to appear on the market, differing in the connection principle from the usual confirmat. Furniture eccentric screed is one of them. Among its advantages, it is worth highlighting the following:

• The eccentric screed is installed so that it is inconspicuous on the outer covering.
• Minifixes provide reassembly capabilities. The connection is designed in such a way that you can disconnect the parts and connect them back together.
• Furniture eccentrics have the highest connection strength. They are used not only for assembling furniture frames, but also for fastening tabletops.

Mounting features

Eccentric furniture ties consist of the following parts:

• stand (another name is a rod, it can be either a self-tapping screw or a screw);
• eccentric;
• futorka (performs the functions of a nut).

Sometimes the kit includes a sleeve, also known as a coupling, to screw the rod not into wood or plastic, but into it. If the diameter of the screed is large, a plastic decorative plug is added to the front side. The bushing increases wear resistance and strength - the metal part is not as loose as a hole made in the chipboard. So it is better to choose fittings with couplings to avoid breakdowns and extend the life of the furniture.

The basic principle of operation is quite simple: a coupling is inserted into a round hole on the furniture, a stand is screwed into it, and an eccentric connects them from the side. If some unsightly detail remains visible from above, then a plug is put on.

Eccentric furniture ties are also called minifix or rastex.

1. If the minifix is ​​already built into the right place, the bushing and eccentric are inserted, installation will not take much time. The only tool you may need is a flathead screwdriver.
2. This type of fittings is very wear-resistant and can withstand repeated assembly and disassembly without becoming loose or losing its quality and strength.
3. From the front side, the screed is invisible and does not spoil the design of the product; it can only be seen from the inside, and even here, if necessary, a plug is used.
4. The ability to fasten parts at different angles (the most common options are 90, 135 and 180 degrees).
5. The fastening adds rigidity to the entire structure.
6. Reducing the number of spare parts, for example, if you attach the tabletop directly to the sides, drawers will not be needed.
7. Long service life and ability to hold heavy weight.

Selecting the right model

To purchase a suitable part, you need to know the distance between the pipes and the parameters of the mixer. If the difference in distances is significant, then it is worth buying an extended eccentric with the largest shoulder. Such parts are usually not included in the kit.

Read also: Is it necessary to cover the screed with film?

Advice! For a mixer with a pipe, you need an eccentric with an internal thread. This is the only way it can be connected.

The diameter for connecting pipes is 1/2 or 3/4 inches, so the eccentrics fit all standard water pipes. Very rarely there are unusual shapes of products that require an individual approach.

For plastic pipes, the metal of the adapter does not matter, but for metal pipes it is desirable that the materials match. This ensures equal thermal expansion and response to internal water pressure, ultimately eliminating leaks. In any case, with ordinary steel pipes, experts advise choosing brass or bronze products - this will be the best option. Brass adapters must be solid.

Unscrupulous manufacturers spray metal of poor quality, passing off parts as more expensive. With constant contact with water, they quickly break down, fail, and leaks begin. To avoid mistakes, you need to buy eccentrics from suppliers you trust, or contact specialized brand stores.

Scope of application

An eccentric tie is often used for furniture that needs to be frequently transported disassembled or stored for storage after each use (folding tables, folding sofas, etc.). Such fittings will not fail even if it needs to withstand a lot of weight - it is very durable, especially when an additional liner and body are included in the set.

Typically, minifixes are recommended for L-shaped and T-shaped fastenings at right angles, because even in such conditions they are quite reliable. Also, eccentric couplers are useful where the design implies the absence of protruding fasteners, for example, they can be used to attach a furniture façade.

In practice, such ties are used to fasten tabletops, bottoms, back walls of chests of drawers, wardrobes, pencil cases, bedside tables and other things. Another area of ​​application is built-in furniture. Various subtypes allow you to select fittings for both large and miniature items.

Answers from experts

You'll break the pipe. Try filling it with WD-40

The eccentrics have a normal thread, don’t be afraid to turn them with a gas wrench

pilot in time:

just filed on one side to the thread

You need 2 gas pumps - one you turn, the other you hold the pipe.

The candle will heat up weakly. It’s useless... It’s best to use a blowtorch, or a torch. Heat it up. then cooled it sharply (doused with water). Heated it again... and it comes out easily.

I agree about the VD-40 (and about the second gas wrench), sometimes nuts that seemed hopeless at first glance were unscrewed, maybe it will help here too. This “lubricant” (in cans) is most often sold in car dealerships and gas stations. The thing is great. I use it at home, at work and in the car. When I first learned about it, it even reached the point of fanaticism.

Can't find a light?:

If they are completely stuck, and so are the couplings, there is only one way out: first saw off flush with the coupling, then file off the remains of the eccentrics from the inside with a good blade and knock them out with something, such as a beard, a nail, etc.

Try to warm it up very much, cool it down sharply (physics - the body changes the size of the heating temperature) and unscrew it quickly

Manufacturing materials

Eccentric couplers are made of both metal and plastic. Plastic split-spacer ones are better suited for small horizontal objects like shelves and for lightweight products. It is much easier to install them; just insert the rod into the continuous end and hit it with a hammer several times. However, if a lot of weight presses on them, such footers can spread out excessively and damage the chipboard: sooner or later a crack will appear, which will then spread further. To secure the plastic, it is sometimes recommended to use glue: it is poured into the hole where the coupling is inserted.

It is more difficult to screw in a metal minifix, but it will withstand, for example, a heavy kitchen set without damaging the furniture itself. Glue is definitely not required here, but countersinking is required - additional alignment of the holes. Unlike plastic, steel is not as malleable and will not conform to the shape of a recess under pressure.

When installing ties and then transporting the finished product, you need to remember that plastic will not scratch adjacent parts, but metal can. If stainless steel bushings have been selected, it would be a good idea to take additional safety precautions.

Best answers

Anastasia, you can consider another option - screw the barrels 3/4 into the union nuts of the old eccentrics, and then screw the new mixer onto them. You will need 2 barrels and 4 3/4 spacers.

Guy from the Future...:

Yes, we understand which mixer you are talking about. . Well, what can we offer here... Spin it, Nastya, spin it. . :)) Here, only by being on the spot and seeing all this disgrace can you decide what and how to unscrew it... And so - there are a lot of ways... There is indeed one universal one - a gas wrench, but they do not always manage to make a good grip. . We have protrusions inside such old eccentrics. . You can try to drive a chisel and turn it with a wrench... You can also preheat these places... for example, with a gas burner...

Typical situation. There was a domestic mixture, but you put in an imported one. Old eccentrics need to be removed using kerosene or kerosene. If it breaks during the process, you will have to pick at the wall to the corner into which it is screwed. Sorry…

Dimensions

The sizes of eccentric couplers vary. The height of the stand can vary from 38 to 58 millimeters. The diameter is usually 12, 15 or 25 mm, the most common option being 15 mm. The ties themselves can be 5 by 50, 7 by 50 and 7 by 70 millimeters. To choose the right one, you need to evaluate the weight that it will have to withstand, as well as the size of the holes for fastenings. For example, for a small shelf a small tie is enough. But when assembling large-sized products, it is worth thinking about reinforced fastenings with an additional footing and housing.

For shelves, a rod with a length of about 10 millimeters is usually chosen, and the eccentric coupler of large furniture already requires a long stand - from 26 to 34 millimeters.

Installation nuances

You need to know how to install an eccentric coupler: if used incorrectly, it will be practically useless and will lose all its advantages. You should start with markings: put marks with a pencil or chalk where you plan to drill the grooves. The optimal distance from the edge is at least 10 mm; it should be the same on both parts being connected. The hole for the rod should not be located less than half the thickness of the eccentric from the edge. Most often, furniture purchased in a specialized store is accompanied by assembly instructions, which usually provide all the necessary recommendations. If the holes are not accurately marked, there is a high probability that the rod will dangle and the tie will be weak. Therefore, measurements must be with minimal errors.

The second step is the additive. It is very important to drill all the holes carefully, without making them through, because the quality of the result greatly depends on this. It would be wise to put a stopper on the drill you are using. Tools you will need: a drill and a milling cutter or a screwdriver. The dimensions of the drill are selected based on the declared dimensions of the rod. In most cases, a diameter of about half a centimeter is suitable to secure from the screw side. For the hole where the post is connected to the eccentric, you usually need a drill of about 8 mm in diameter, but it all depends on the specific mount.

Finding out what size the hole for the eccentric should be is quite easy: the height of the head is about 3 mm, and the same amount is needed to grip the head. That is, you need to subtract 6 mm from the total length of the rod.

Installing a standard size eccentric tie will require a drill of 15 mm in diameter, this will allow you to fasten the parts without a gap - it will be stronger and more aesthetically pleasing. The best tool is a milling cutter. For more accurate markings, stencils and even a special conductor are used; if desired, they can be purchased at the store. If you have to work with wood, it is better to take a special drill specifically for this material, otherwise during work there is a chance of severely damaging the appearance of the product.

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Eccentric coupler - what is it?

An eccentric coupler consists of parts of fittings that must be connected using special fasteners. An eccentric tie is the most economical option as it can be used several times.

It is characterized by strength, reliability and a high level of wear resistance, which significantly extends its service life.

An eccentric coupler consists of a drain, which has a T-shaped head, and a special clamp, which is called an eccentric. The eccentric can have different diameters:

• 12 millimeters;
• 15 millimeters;
• 25 millimeters.

The eccentric coupler is characterized by invisibility from the outside, which provides a lot of convenience during its use. Thanks to the use of minfix, the number of used products is significantly reduced.

The eccentric coupler includes a cylinder. Its installation is carried out in a special hole, which is located in the part. This part must be attached to the main part of the screed.

Also, the eccentric coupler consists of a plug, with the help of which the end surface of the eccentric is closed.

How to attach an eccentric tie?

The eccentric tie is fastened using a drill, cutter, ruler, screwdriver, awl and pencil. Three holes are made in the parts intended for connection.

All these holes must have different sizes. Next you need to make a hole of 5 millimeters. A drill is used for this purpose.

Two holes are also made in another part. A cutter is used for this purpose. The thickness of the hole must fully correspond to the thickness of the eccentric. This will ensure it fits as accurately as possible. You need to make another hole at the end of the part using a drill.

At the last stage, you need to screw in the eccentric rod. The second part is mounted on this device. Using a minifix, this structure is clamped.

You can also assemble a minfix with a plastic sleeve. This action is performed in the same way as installing a metal minfix.

How to use an eccentric coupler?

An eccentric coupler is used to connect various parts. An eccentric tie is used to fasten the tops of various tables, chests of drawers, cabinets, etc.

To use this type of tie, you need to drill two holes in the top of the furniture leg. This action is performed in order to install the clamps.

Similar holes must also be drilled on the end of the furniture. Thanks to this action, you can get an end-to-end channel.

Similar holes must be drilled in the tabletop, into which a rod with a T-shaped head is screwed. The furniture leg must be attached to the tabletop so that their holes coincide.

Next, you need to push the rod through this channel. The final step is to rotate the eccentric. This is done clockwise. An eccentric tie is a fairly high-quality fastener that is widely used for furniture.

Why do you need a floor screed? – see the answer to the question here

When performing this type of screed, it is necessary to position the holes in the parts as accurately as possible. Thanks to this, the tie rod and eccentric are positioned as correctly as possible. Otherwise, you can damage both the door lock and the product itself.

And also watch useful video material about the eccentric coupler:

As mentioned above, to install an eccentric coupler, three holes of different diameters must be made in the parts to be connected.

Source: glavspec.ru

Why do you need an eccentric for a mixer and is it possible to do without it in old panel houses?

Replacing plumbing fixtures in the bathroom or kitchen is a common task, which, however, requires some skill. Sometimes, without a special device - an eccentric, it is impossible to install a faucet or mixer smoothly.

1. Part for easy installation of plumbing fixtures
2. What are plumbing eccentrics for faucets?
3. Main characteristics
4. Kinds
5. Short
6. Extended
7. Long
8. Dimensions according to table
9. Materials from which eccentrics with nuts are made
10. DIY installation and installation in the bathroom
11. Tips for choosing
12. Manufacturers and prices
13. Useful video

Features of eccentric furniture screeds, installation rules

In the production of furniture, various types of fasteners are used, which ensure the reliability and durability of the structure. The eccentric furniture tie has become the most common in recent years. It is also known as “minifix” or “rastex”. An eccentric tie allows you to fasten elements at different angles, assemble and disassemble products several times. Furniture assembled using such an element is incredibly durable.

Scope of application

Furniture fasteners are used for L-shaped and T-shaped connections. Minifixes are in demand when assembling cabinets, tables, and chests of drawers. They connect the lids and bottoms of cabinets, as well as the tops of computer and dining tables, bedside tables and chests of drawers. In addition, eccentric furniture ties are used to fasten parts where it is not possible to drill holes. For horizontal elements, such as shelves, it is more convenient to use plastic ties. Bulky structures are assembled using reinforced eccentrics. Such fasteners are placed in the housing and contain an additional fitting.

The furniture is connected in such a way that the minifixes remain almost invisible. They can only be seen from the inside of the product. This point can be considered an advantage of this type of fasteners, since they do not spoil the appearance of the furniture. The eccentric tie makes assembly of products simple, quick, and also adds additional rigidity to the entire structure.

Using additional devices

Most often, eccentrics are purchased complete with a mixer, and if additional gaskets are included with them, then you don’t have to think about insulation. If the gaskets are made of paronite, then before use, it is recommended to immerse them in a container of cold water for several minutes. If they are made of materials such as silicone or rubber, then they can be attached without resorting to any additional preparation.

Read also: Why do you need the “Spikes” sign?

After this, the tap can be tightened manually by tightening all the nuts using an adjustable wrench. This is necessary to ensure correct installation on the thread. If necessary, you can not only lengthen the eccentrics of the mixer, but also adjust, tighten and adjust its location in every possible way.

For example, if after installation a leak is detected in the water connection, this indicates that the nut is not tightened well enough. If the leakage does not stop after fixing the problem, the cause should be looked for in the quality of the gaskets used.

May be interesting: Quick repair if the toilet lid is broken

Materials and equipment

The eccentric coupler consists of 3 elements: a stand, an eccentric and a fitting that acts as a nut. There are several types of fasteners, which can be divided into groups depending on the material of their manufacture, the length of the stand, diameter, size, type of fastening of the self-tapping screw and fitting.

If you often disassemble and reassemble furniture, this type of fastener will be the best option. It is ideal for products made from chipboard and chipboard.

Eccentric furniture couplers can be metal or plastic. The material depends on the scope of application of the interior items. For example, when assembling kitchen sets, metal fasteners are used, while plastic fasteners are suitable for small items. The racks can be short up to 38 mm and long up to 58 mm. There are minifixes with a diameter of 12, 15 and 25 mm. Parts with a diameter of 15 mm are the most common. For the latter, the largest ones, special plugs made of polymer material are provided. The sizes of the ties are as follows: 5x50, 7x50, 7x70 mm. This allows them to be used when assembling almost any type of furniture.

Installing a faucet adapter on the side of the bathtub

The mixer, installed in the side of the bathtub, is connected to the hot and cold water pipes using half-inch adapters . This process includes several steps:

• is wrapped with a sealant (jute or fum tape) before screwing it into the pipe The seal is wound only along the thread - this makes the process of screwing the system easier.
• One by one, the eccentrics are screwed into the pipeline manually. And then they are clamped with a special adjustable wrench. At the same time, the position of the eccentrics is adjusted: the parts must coincide with the holes in the tap. If a misalignment does occur, the whole process will have to start again .
• The mixer is connected ; to do this, it is screwed onto both adapters . If there are rubber seals, they will also need to be positioned correctly when attaching.

Attention! Do not clamp the extension cords too tightly, otherwise the device will crack and will have to be replaced immediately.