How to bend a profile pipe for a greenhouse: the simplest methods and rules for making blanks. How to bend a profile for a canopy: square or rectangular Bend them

When building small architectural forms, making canopies, awnings, or installing heating systems (water supply), home craftsmen are faced with the need to bend a professional pipe.

In the mass production of metal structures, especially in specialized workshops, industrial pipe benders are used.

Such devices allow you to quickly and without defects bend a professional pipe ranging in size from 20 to 40 mm. However, the purchase of pipe bending equipment for a one-time use is unprofitable, in some cases it is cheaper to contact a workshop and pay for the work on forming a profile. If this option does not suit you, consider ways to bend a profile pipe at home.

Features of forming pipes with a square (rectangular) section

Unlike a round pipe, in which the tension of the material occurs relatively evenly, the profile has 90° angles. The inner part of the profile cannot bend without deforming the side walls. As a result, folds are formed on the inner radius, and breaks are possible on the outside.

Without going into the technology of how to bend a pipe without a pipe bender, many “homemade” craftsmen spoil the workpieces or violate the strength structure of the material.

The main rule is to avoid critical bends, or forcefully (programmed) deform the material.

In industrial pipe benders, to evenly distribute the load, a stamping is formed on the inside of the radius. To do this, on the rollers or the mandrel (depending on the design of the pipe bender), a special tide-side is provided.

All "extra" metal is bent inward without forming folds. As a result, the load is distributed evenly, and it is possible to bend a square pipe at a fairly small radius.

Correctly bend profiled pipes at no additional cost

There are many ways to bend a profile pipe at home without using an industrial pipe bender.

Sector welding

This method is available with a welding machine. You will also need a grinder, but you can get by with a hacksaw for metal. The essence of the method is to make evenly distributed sector cuts along the inside.

The amount of material is reduced, and you can not worry about the formation of folds and tears in the metal. After cutting out the sectors, the profile easily takes the desired shape, and the resulting cuts are welded in any available way.

The method is laborious, but you can bend the pipe to any radius, including with a variable value. If you are an experienced welder, the tightness and strength characteristics of the workpiece do not deteriorate.

The only drawback is that the finished product does not look very aesthetically pleasing. For a decorative visor above the porch, the technique is not suitable, but you can bend a profile pipe for a greenhouse built with your own hands. Again, a welding machine is required.

Hot forming as a way to bend a pipe without a pipe bender

In this case, you will need a gas burner or a blowtorch. When heated, the metal becomes soft and malleable to tension or compression. The likelihood of wrinkles and tears is practically reduced to zero.

How the method works:
The basis of the technology is local heating of the bending point using a burner.

Bending the pipe is often required when installing communications. If the work is done by professionals, everything goes relatively quickly and simply, because companies of this profile have not only the necessary knowledge and experience, but also the appropriate tools. But what if you need to bend the pipe at 90 degrees at home, but there is no pipe bender at hand? Consider all options for performing such work.

Manual 90 degree bending

It is possible to bend the pipe at 90 degrees without a pipe bender in only a few steps. Otherwise, the design is simply deformed. Usually 5-6 doses are enough.

How is the work done? The pipe is grasped by hands, under the emphasis of the thumbs it gradually bends. Then we move our fingers one cm and perform similar actions. And so five or six more times. Working without a pipe bender, manually, is not as simple as it seems at first glance. Therefore, it is recommended to pre-bend on unnecessary pipe sections.

This method is suitable for structures with dimensions of 16, 18 and 20 mm. However, work can be done on products of large diameters. It should be borne in mind that in this case it will be more laborious.

Bending structures at 90 degrees by heating

Aluminum or steel structures can be bent with a gas burner. To do this, the structure is fastened in a vice, then warmed up in the place where the bend is planned. The burner can be removed when the sheet brought to the heated zone begins to smoke. If the structure is steel, the color at the heating point should be red.

Pipe bending by means of a plane-parallel plate

To carry out such work, the structure is fixed in the clamp. After that, bending along the plate is performed. This is a simple method that does not require significant investment. The only negative is the constant curvature of the plate. However, workpieces with different curvature can be used for work. The method allows you to bend the steel structure. However, the length of the pipe must be sufficient.

Bending the pipe with a metal spring

This method allows you to bend pipes made of non-ferrous metals at 90 degrees. At the same time, they must be distinguished by sufficient plasticity. Why do you need a metal spring? It prevents deformation of the structure. The size of the spring must match the internal dimensions of the pipe. It is inserted into the structure, then bending is performed.

Pipe bending when applying sand

This method allows you to bend aluminum pipe 90 degrees. The method is very simple. It is required to fill the sand inside the structure. Then plugs are put on its ends. The desired location is heating up. Heating can be done using any tool: a soldering iron, a gas burner, and so on. After sufficient warming up, bending can be performed. Why is sand needed? It, like a metal spring, helps prevent deformation of the structure. After the work is completed, the plugs from the pipe must be removed, and then the sand must be removed from the cavity. Keep in mind that if you need to bend on galvanized structures, you should remember that they cannot be heated, as this causes deformation of the product.

If you are interested in how to bend a pipe at 90 degrees without a pipe bender, we recommend that you familiarize yourself with the information materials: photos, videos. So you can find out more information, see how professionals do this work, take into account various tricks and nuances.

If you started a repair, then you may need pipes. But not always in this case they should be perfectly even. This raises the question of how to bend a pipe without a pipe bender. If you are familiar with the tricks of this process, then you can solve the problem quite simply.

How to bend a pipe at a right angle

Metal acts as a sufficiently strong material, but with a special impact it can be bent. To date, there are several ways to solve this issue. The first technology is the use of pegs. But you must remember that this method can damage the pipe or even break it. This can be avoided by filling the internal cavity with dry sand. Plugs should be installed at both ends.

The next step is to start bending. To do this, pegs are dug into the ground. You will use them as leverage. If you are not confident in your abilities, then first you should practice on unnecessary pipe sections. If you are faced with the question of how to bend a pipe without a pipe bender, then with the help of this technology you can change the shape of the product, the diameter of which varies from 16 to 20 mm. For pipes of a larger diameter, this technique is not suitable, since the process will be quite complicated. It is also important to take into account the material that underlies. For example, for galvanizing it is recommended to use other methods.

Use of heating technology

Before bending a pipe without a pipe bender, you should think about what technology is best suited for this. Heat may be the best solution. This method is commonly used for steel and aluminum piping. For the procedure, the product is fixed in a vice, but first it must be filled and heated with a gas burner in the place that you plan to bend. The temperature is determined quite simply: when a piece of paper approaches the pipe, it should begin to smoke. When a steel billet is used, it should turn red when heated. For safety, the master should wear gloves.

Plano-parallel plate

If you are faced with the task of how to bend a pipe without a pipe bender, you can use a plane-parallel plate. This technique involves fixing the product in the clamp. After that, you can bend, and this must be done along the plate. This technique is considered not only economical, but also simple. In order to achieve a positive result, several plates should be used, each of which has a different curvature. The main condition is the use of a steel pipe. The length of the product should be quite impressive.

Using a metal spring

Quite often, home craftsmen think about the question of how to bend a pipe without a pipe bender at home. To do this, you can use a metal spring. This technique is excellent for non-ferrous metal pipes, which have good ductility.

A spring is used to prevent deformation. To get a good result, you should take into account the size of the spring, which must correspond to the inner diameter of the metal structure. This requirement is due to the fact that the pipe is to be inserted into the cavity. After that, bending can be carried out by tying the spring with a wire to simplify the process of further extraction.

If you need to bend a profile pipe without a pipe bender, water can be used as a filler instead of sand. The cavity of the pipe is filled, after which the product is clogged on both sides with plugs. Freeze the water and then heat the material. However, this method cannot be used for galvanized blanks.

Profile pipe and its modification

This type of metal structure is quite popular in the construction of greenhouses and gazebos in the backyard. The main feature of the building material is that it can be damaged when bent. The way out of this situation may be to fill the internal cavity with fine sand or water. These actions allow you to eliminate the possibility of damage to the pipe and achieve an excellent result. This technique is suitable for brass and duralumin pipeline.

If you are thinking about the question of how to bend a pipe without a pipe bender for a canopy, then you can use it for this. It is used for square profile products. The pipeline is installed on reliable supports, and then a mallet is used. Actions must be careful and smooth to eliminate the possibility of damage. If it is necessary to achieve a large angle, then to facilitate the process, it is necessary to heat the pipe in the place where it should be bent.

Metal-plastic bending methods

Quite often, owners of suburban real estate are wondering how to bend a pipe without a pipe bender. When metal-plastic is available, you can use your own strength without using improvised means. The product is clamped and smoothly bent. In this case, it is important to exclude the possibility of an inflection. It is important to follow the rules that say that for every 2 cm of the workpiece, the bending angle can be 15 °.

If you are faced with the question of how to bend a pipe without a pipe bender for a greenhouse, then you can use pieces of wire that fill the internal cavity. This allows you to achieve an even and smooth bend in the shortest possible time. Dry fine sand can be used as a filler. It falls asleep inside, and the edges are closed with plugs. Then one end of the product must be fixed, ensuring the reliability and strength of fastening. Using a gas burner or a blowtorch, the bend should be heated. The material is checked for readiness with a piece of paper.

Polypropylene pipe bending methods

If you need to change the direction of the bend, you can use one of two possible methods. The first involves heating the fold. For this, a building hair dryer is usually used. The optimum heating temperature is 150 °C. Hands should be protected with gloves that are resistant to high temperatures.

At the final stage, the product is bent to the desired shape. The thickened wall should be located on the outside of the bend. Once the material has cooled, it will need to be checked for cracks and dents. Another way to bend such a pipe is cold. However, the bending radius should not be more than 8 diameters, otherwise the product may break.

How to bend plastic pipe

In order to bend a PVC pipe, you need to buy fiberboard. Of these, you can build a frame that will be needed to give the structure a certain shape. As soon as you give the plate the desired shape, you should sand it, it is better to use fine sandpaper for this.

The next step is to form a silicone shell for the plastic blank. It will act as a fastener for the PVC structure in the frame. In addition, it will perform a protective role against chips, mechanical damage and scratches. The object is placed in a prepared protective shell, and after the bending point is heated. The plastic softens and sits on the frame. Such actions will allow you to get the desired shape of the plastic blank. The product is left until it cools down. This will take 15 minutes. After the PVC pipe can be removed from the frame, leaving it to cool completely.

If you are faced with the question of how to bend an aluminum pipe without a pipe bender, then you can use a grinder to carry out the work, with which several thin cuts must be made at the site of the intended bend. The product is pre-clamped in a vise. As soon as the cuts are made, they should be cleaned of chips, only after that you can begin to bend the pipe.

Sometimes the product needs to be bent in the form of a circle. As soon as the ring closes, the holes are welded, and some craftsmen even use a soldering iron for this. In order to make the fold point neat, it is additionally ground and coated with a protective agent. This avoids corrosion and premature failure of the joint.

Conclusion

It doesn't matter what material the pipe is based on. It is quite difficult to achieve the ideal bend. But if you first get acquainted with the theory, then it will be possible to bend the pipe even without a pipe bender.

A popular building material, drywall is used to create perfectly flat surfaces. But now, from high-quality drywall, they began to carry out design structures of a curved shape - arches, multi-level ceilings, niches. Similar components of the decor can be created independently, but first we will find out how to bend the drywall profile so that the desired shape comes out. In addition, you need to learn how to make a strong metal frame to secure the curved part.

For what purposes is it necessary to bend a drywall profile?

Drywall (gypsum plasterboard) is used to create various curly elements. Modern installation of suspended ceilings is not complete without the use of this material. When creating a ceiling design, the following elements are used:

Circles of various diameters
Regular squares or rectangles
Waves, steps, sun and many other elements

In addition, bending the profile will be required in the following cases:

If a high arch is formed, the profile can be bent into an arc
When the ceiling is formed as a single composition with the transition of individual curly components to the walls
When installing a niche with a curved element
When creating an arched partition having a complex bend

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Any of these cases assumes that it is necessary to bend the drywall profile so that the structure is installed on the basis of a given scheme. If you follow all the steps correctly, the profile will be easy to install.

It is necessary to bend the metal parts of the frame intended for drywall strictly according to the scheme. Therefore, in order to correctly bend a large area of \u200b\u200bthe profile, we study the attached instructions.

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Required tools and materials

Working with durable sheets requires the necessary set of accessories. In order to properly bend metal parts, make the necessary incision on one of them, and also make their high-quality installation, we use the following accessories:

screwdriver
metal screwdriver
Pencil, tape measure and accurate building level
Special scissors for working with metal

In addition, the following items may be needed:

Durable metal profiles on which we will fix the GKL
Various fasteners, such as self-tapping screws

When bending sheets, you need to take care of your own safety, hands should be covered with protective gloves to avoid various scratches and abrasions. Special protective goggles may also come in handy at work. The procedure for creating structures from profiles of the required shape will take you 20 minutes, if you follow the recommendations.

Let's start bending and fixing the profile

How to bend a profile for drywall? You can bend the guide profile, since the rack-mounted ones are designed to support the main weight of the future structure. When creating an opening for the arch, you need to use a special arched profile.

You need to bend all profiles before starting their direct installation. Notches at right angles will help to give the profile the desired shape. There are 2 execution methods, depending on which part of the metal profile will be used to install a solid frame:

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The smaller the radius of the upcoming bend, the more often you need to make cuts. Often the ceiling is decorated with figures, sometimes the wall can also be decorated with various figures. In this case, the bend must be done at the end of the formation of the frame of the first level. The profile bending scheme is as follows:

We make the markup for the first wireframe level. This is mandatory, since without this action it is impossible to perform complex curly elements;
We cut the desired profile to the required length. To perform shortening, you need to use special scissors for metal;
We make cuts at a right angle, one must go parallel to the other, otherwise it will not be possible to bend the element. The step for their implementation may vary, but it is in the range of 50-80 mm;
We make incisions along the entire length or strictly in the place where you need to make the next bend;
We try on the incised material to the finished marking lines;
We install the finished fastener, bending it as it is fixed;
We fix all the components, giving them a given shape.

Before the start of the bend, the structure is fixed with self-tapping screws. This is an easy way to secure the future frame to get the right decor element.

You may need help to install a structure of many curved shapes, as it can be difficult to install a bulky part yourself. You need to carefully look during work, so that everything is done according to the scheme, the desired shape of the bend is obtained.

During the fixation of a frame containing curvilinear forms, each detail must be checked with a building level, because it is very important that all components are placed in a single plane.