How to weld a profile pipe to a round one

Gates made of profile pipes - how to weld correctly?

The areas adjacent to private and administrative buildings are protected from unauthorized entry by fences with gates. This task is successfully performed by sliding or swing structures.

Sliding models do not require space to open, but have certain difficulties in maintenance and are too complex to manufacture without the participation of professionals. If there is enough space to open the valves and you plan to weld the structure yourself, then swing options are usually preferred.

The advantages of this choice are the absence of the need for concreting the site (for rollers), ease of maintenance, and a wide selection of decorative solutions.

Selection of materials and sizes of gates made of profile pipes

When determining the opening, take into account the width of the vehicles that will enter the gate. Typically, the total width of the doors is 3-4 m. Their height is approximately equal to the height of the fence, the difference should not exceed 200 mm in one direction or the other. The structures are usually made of double doors.

The filling can be made either solid (flat or profiled sheet, wood) or with gaps - from forged or bent steel elements. If a free-standing gate is made, then its width is 0.75-1.0 m.

When calculating the distance between the support pillars, not only the total width of the sashes is taken into account, but also the gaps for their free opening.

Attention! In case of strong wind loads characteristic of a particular region, it is not recommended to manufacture large-sized sashes with continuous filling.

An upper horizontal lintel is rarely made between the supporting pillars. And if they make it, they make it removable in order to, if necessary, allow passage of tall vehicles, such as construction equipment. After choosing the dimensions, determine the layout of the reinforcing sashes and draw up a detailed drawing. In accordance with the drawing, an assortment of necessary materials and components is drawn up and their quantities are calculated.

List of materials for swing gates

• Support pillars . Which profile pipes are needed is determined depending on the dimensions of the structure. For lightweight country gates, products with a cross-section of 80x80 mm are allowed, for heavier ones 100x100 mm, for very massive ones - 150x150 mm.
• The frame of the gate leaves is made of profile pipe . As in the case of support pillars, the size of the section is determined by the dimensions of the model. For small structures, a pipe of 30x30 mm is sufficient, the standard version is 40x40 mm, the reinforced version is 50x50 mm.
• Reinforcing jumpers – 20x20 mm, 40x20 mm.
• Material selected for filling.
• Accessories : canopies, lock, fasteners for corrugated sheets or wood (if required).
• Anti-corrosion compounds : primer, paint.

How to properly weld a gate frame from a profile pipe?

In accordance with the drawing, the pipe is marked and cut into measured sections using an angle grinder (“grinder”) with a cutting wheel. The upper part of the valves is made straight or curved. To obtain an arc-shaped element from a profile pipe, you will need a pipe bender. Welding is carried out using a manual arc welding machine using coated electrodes with a diameter of 2-3 mm, which depends on the thickness of the pipe wall.

Welding of the valves is carried out on a flat horizontal surface in the following order:

• The frame is pre-assembled using tacks. The ends of the pipes can be cut at an angle of 45° or welded to the end. In the second case, open holes are “plugged”.
• Check the equality of the diagonals and measure the angles.
• The joints are finally welded.
• In accordance with the chosen scheme, stiffeners are welded from a profile pipe of a smaller cross-section. In the corners, to strengthen the structure, triangles made of steel sheets 2-3 mm thick are sometimes used as reinforcing elements. Triangle legs – 100 mm.
• To protect the locking device, a box is made of sheet steel. The upper parts of the canopies are welded to the gate leaves, fitted to the support posts, and marks are made. The lower parts of the canopies are welded in the designated places on the support pillars.
• Welds are processed with a grinder with a flat or cup-shaped grinding wheel.
• The structure is completely assembled and the quality of opening and closing is checked.

All metal elements of the gate are cleaned of rust, if any, degreased, treated with anti-corrosion compounds, primed and then painted.

Source: https://TreydMetall.ru/info/vorota-iz-profilnoj-truby

How to weld hinges: technology of work

Installation of metal doors, as well as gate doors and gates, requires welding of hinges to the door leaf and frame. How to choose hinges for installation, how to weld hinges on your own, and what equipment you will need for the job - answers to all questions can be found in this article.

Installation of hinges by welding

Loop selection

The correct choice of hinges for metal gates, gates and doors should be based on several factors:

• determining and selecting the type of loop;
• determining the number and overall dimensions of the loop.

Types of loops

First of all, welded hinges differ in shape. They can be:

• cylindrical. A variation of this group is the welded drop-shaped loop;
• square. They are used extremely rarely. Currently practically not produced;
• hexagonal.

The main types of welded loops, differing in shape

All welded hinges can be additionally equipped with a ball that acts as a bearing. The ball makes it easier to open the door and reduces friction, which negatively affects the life of the fittings.

Welded hinge equipped with a ball bearing

Also on sale you can find reinforced welded hinges, which are used for installation on a metal door of large size or weight. Additional plates allow you to evenly distribute the load on the hinge, which increases the service life of the product.

Welded loop complemented by metal strips

How many hinges do you need to install?

The number and overall dimensions of hinges are selected depending on the weight of the door leaf. The greater the weight of the door, the larger the hinges required, and the number of hinges increases.

Table for choosing the sizes and number of door hinges

Installation of welded hinges

Let's look at how to properly weld hinges. To do this, you need to go through three main stages:

1. preparation of equipment and materials required for work;
2. preparing a metal surface for welding;
3. welding hinges on the door.

Tools and materials

Before properly welding hinges on a metal door, gate or gate, you need to prepare the materials necessary for the work:

• loops selected according to all the rules indicated above;
• metal plates (if welding of hinges is carried out with reinforcement of the structure with plates). The dimensions of the plates are selected based on the weight of the door leaf. The greater the mass of the door, the larger the plates required. For example, garage hinges for gates of standard sizes (approximately 2.5 * 2.5 m) are welded onto metal plates measuring 80 * 80 mm;
• electric welding machine;
• dry electrodes. To carry out the work, it is enough to have electrodes with a diameter of 3-4 mm;
• a brush with metal bristles for preliminary cleaning of the work surface;
• personal protective equipment for the master.

Special protective clothing and mask for welding work

Preparation

When answering the question of how to properly weld hinges on gates and other metal doors, it should be mentioned that the preparatory stage is in practice the most important.

At the preparatory stage it is required:

1. mark areas for installing hinges. If two round hinges are installed, they should be located at a distance of 15-20 cm from the top and bottom of the door leaf. Additional hinges are located evenly along the entire height of the door;
2. all areas in which hinges are supposed to be welded must be cleaned of dust, rust, and so on. To carry out cleaning, use a brush with metal bristles, dry rags and, if necessary, treat the surface with some kind of solvent;

Cleaning the metal surface before welding

1. process the loops. The surface on which the weld will be located also needs to be cleaned. In addition, the inside of the hinge, where the ball bearing is located, must be thoroughly lubricated. For lubrication, you can use litol, solid oil, and so on;

Preparing the loop for installation

1. if the hinges are installed using metal plates, then at the preparatory stage it is necessary to weld the inserts to the hinges. Welding of hinges and plates is carried out with an even seam;

Reinforcing hinges with metal plates before installation

1. connecting the welding machine. When working with equipment, it is imperative to connect grounding;

Equipment elements and device regulation

1. The device is adjusted using regulators located on the equipment body and by testing the production of a weld.

Achieving a high-quality weld by testing and adjusting the apparatus

Welding

It is recommended to weld the hinges in a horizontal position of the door and door frame. If you install the box first, you will have to perform a vertical weld, which causes difficulties even for an experienced craftsman.

When welding a wicket or gate hinge, it is necessary to take into account the shape of the support post:

• The loop is welded to the round posts with a gap of 5 mm. This distance is necessary to open the gate (gate) to the maximum possible level;
• loops can be welded to square and rectangular posts without gaps, since the surface of the profile pipes is quite flat and does not create obstacles to the normal functioning of the gate.

Installation of the loop by welding after the preparatory stage is carried out according to the following scheme:

1. the prepared loop is separated into two components. One part needs to be welded to the frame of the gate (gate, door leaf), and the second part to the support post (door frame);
2. First of all, the lower loop is installed;
3. after the loop is located in the desired area, the loop is tacked by welding at several points;
4. The location of the loop is checked using a building level. If necessary, use a hammer to eliminate defects in the work;
5. the loop is finally welded;

1. The top hinge is installed in a similar way. When installing the top hinge, it is necessary to take into account that both hinges must be located not only in the same plane, but also clearly above each other. This arrangement of hinges allows the door (gate, gate) to open without restrictions;

Aligning loops relative to each other

1. at the last stage, the weld seams are cleaned of excess deposits formed as a result of welding. This operation is not mandatory, but can give the structure an aesthetic appearance.

Welded loop with subsequent processing of the weld seam

How to weld hinges will help you become more familiar with the process.

Once the hinges have been selected correctly, as well as their quantity and measurements, welding the fittings to the doors and frame is not much of a problem. The main rule of any welder is compliance with all safety rules when carrying out work, including the use of personal protective equipment.

Source: https://furni-info.ru/kak-privarit-petli.html

Fasteners for profile pipes

The construction of small temporary and dismountable frame structures from profile pipes, where it is impossible to make a connection by hot welding or threading, involves removable fastening in the form of special crabs, clamps and other elements. Such methods of securing a structure are simple and do not require special skills, like welding. You just need to follow the assembly instructions.

Options for fasteners for connecting pipes

Profile pipes are used for assembling frame structures. Pipe profiles with square, rectangular and shaped sections are not used when laying pipelines due to the fact that strong internal resistance arises in them.

To connect profile pipes without welding, various crab connectors, couplings, flanges and clamps are used. Such fastenings can be divided into two categories:

• floating, which include ties and clips;
• rigid ones are connecting crabs, flanges, fittings, brackets.

Crabs for installing pipe rolling are a system of clamps and can have a planar and volumetric connection. The first type of fastener for a profile pipe comes in three types:

1. T-shaped, allowing you to connect three pipes of small diameters. Thanks to this, the installation of the structure is carried out according to a simple and understandable scheme.
2. L-shaped, used for corner connection of two pipes.
3. X-shaped, providing reliable fixation of three and four pipes in a cross-shaped manner in the middle of the metal structure.

Volumetric connection is ensured thanks to three- and four-part crab systems, when pipes are connected at an angle of 90° in different planes along the X, Y and Z axes.

Fitting fasteners are used to connect rolled pipes when there is a need to create bends and branches. They can mainly be found in the assembly of water supply networks, but their varieties have also found application in the installation of various metal structures and buildings made from pipe profiles. They come in several types:

1. Couplings and flanges. They are used to ensure reliable joining of rolled pipes in a straight line. There are round and square sections.
2. Turns and knees. Necessary to ensure the connection of pipes with different directional axes.
3. Tees and crosses. Used on branches of the structure. This type of fitting allows you to connect profiles with different section sizes.

Features and characteristics

Crabs are staples with a fastening system. They are made of galvanized sheet metal, the thickness of which must be at least 1.5 mm. They mainly found their application in the installation of rolled pipes with a cross-section of 20x20, 20x30, 40x40 and 20x40 mm.

Fastening is carried out using clamping force. The bolts are tightened on the crab itself, and not on the pipes being connected. Because of this, this design has low tensile strength, that is, the fixed pipe, with some effort, can be removed from the connecting element.

An outdoor metal structure constructed using fastening crabs is continuously exposed to adverse conditions (wind, precipitation, temperature changes, frost). Gradually this will lead to loosening and loss of stability of the structure. Therefore, fasteners must be periodically checked, tightened and, if necessary, repaired.

Precipitation will definitely accumulate at the fastening joints, which can cause rust over time. Therefore, it is important that the entire structure has an anti-corrosion coating. Its integrity must also be periodically checked and, if damaged, corrected.

This type of fastener allows you to create a frame structure that can be assembled and disassembled when necessary.

The choice of necessary connecting elements depends on the type and function of the structure:

1. The crab system is used in the construction of structures from pipe profiles with a small cross-section - gazebos, partitions, pergolas, arches, greenhouses and other garden and park buildings that are easy to assemble and disassemble.
2. Flange fasteners are used for buildings that are subject to periodic disassembly and reassembly during operation.
3. Coupling fastening is most often used when installing pressure-type pipelines, since it can withstand high pressure and ensure its tightness.
4. Simple fittings are widely used in the assembly of pipelines with branches and turns. This type of fastening may require additional welding reinforcement.

There are several criteria that should be followed when choosing connecting elements for profiled pipes:

1. First of all, you need to decide what fasteners you will need and in what quantities.
2. When choosing steel crabs, you need to pay attention to the thickness of its profile. It must be at least 1.5 mm. Crabs with a smaller thickness are not able to provide the required strength and rigidity.
3. Parts must be inspected for visible damage - cracks, chips, dents, and rust. These are all defective products.

The best manufacturers

Crab systems are not complex designs, and each region has both small and large companies producing steel structures and fastenings, making them all competitive. When choosing a product, it is important to adhere to the above recommendations.

You can also offer several criteria by which you can choose a manufacturer:

• anti-corrosion coating of products;
• purchasing products through the manufacturer rather than through intermediaries, this will save money;
• production time of products, whether the product is in stock;
• guarantee;
• payment and delivery methods.

Connection methods

You can connect pipes using crabs, couplings, bolts, clamps for square pipes and other connecting elements, including those made by yourself.

Two profile pipes can be connected at an angle of 90° using a steel angle.

To join pipes with the same cross-section, you can make a connecting element with your own hands. For this you will need a welding machine.

It is necessary to take a piece of pipe with a cross-section larger than the cross-section of the elements being connected so that they can be inserted into it. The connecting element is cut into two parts, and a bevel is made at one end of each of them at an angle of 45°.

After this, a 90° corner is welded from the two halves of the pipe folded with beveled sides. At the edges of the resulting element, holes are made no larger than half the thickness of the profile wall, and nuts with a diameter corresponding to these holes are attached.

The same holes are also made at the ends of the connected pipes.

Connecting profile pipes using fasteners can be a good alternative to hot welding for light buildings. In other cases, it is better to use welded square pipes.

Source: https://electrod.biz/informatsionnyie-stati/krepezh-dlya-profilnoj-truby.html

How to make a gate yourself from a profile pipe?

Reading time: 9 minutes

Nowadays you can find a huge selection of garage doors and fence gates in stores. They are often well made, have a presentable appearance and do their job quite well. However, many craftsmen are haunted by the cost of such gates. It is, as a rule, significantly higher than if you decided to make the gate yourself.

To save a lot of money, you can make gates from corrugated pipe. They are durable, inexpensive and look worse than store-bought ones. In this article we are making a garage door, but these instructions can also be used to make fence gates. We will also tell you how to properly weld garage doors with your own hands.

Introduction

If the combination of strength and cheapness is important to you, then we definitely recommend making garage doors and fence gates from profile pipes. This design has many advantages that you can appreciate not only during the manufacture of the gate, but also during its operation.

Among the main advantages of gates made of profile pipes, we highlight the following:

• Low construction cost.
• Light weight compared to other gates, but high strength.
• Easy to assemble and weld. The corrugated pipe can be easily cut to the required size and is easily welded. Even a beginner can do this kind of work.

However, you need to take into account some disadvantages:

• The profiled pipe has low resistance to corrosion. So the welds need to be thoroughly cleaned, and the structure itself needs to be treated with a special compound.
• If you make incorrect calculations or weld the frame incorrectly, the gate may sag, not close, or even become deformed.

Important information

When making gates from pipes, you need to take into account many nuances so that the work turns out to be of high quality and durable. It is necessary to select the right materials, perform calculations, and also check the availability of the necessary tools. Perhaps we’ll start with them.

What tools and materials do you need to prepare?

To complete the job, we used the following tools and materials:

• Welding inverter
• Electrodes with a diameter of 3 mm
• Welding generator, since there was no electricity on site
• Grinder + grinding and cutting wheel
• Roulette
• Square
• Level
• Profile pipes
• Loops
• Thermal insulation material (in our case, foam)
• Facing material (in our case, metal sheets)
• Paint and primer + roller
• Polyurethane foam

Selecting materials

The most important thing to do is to choose the right materials. After all, the strength and durability of the entire structure largely depends on them.

You can weld garage doors from angles or profile pipes. The second option is more reliable and durable, in our experience. That is why now we will not tell you how to weld a garage door from corners. This is a topic for a separate article.

The profile pipe can be square, oval or rectangular. It's better to use a square one. A square pipe makes a reliable and beautiful gate, and this profile is easier to work with. Of course, you can weld a garage door from a round pipe, but such work is more difficult and more expensive.

We've sorted out the profile. Now we need to choose the material from which our professional pipe is made. If the budget is completely limited, then you can buy carbon steel pipes, they are cheaper. The best option is stainless steel pipes, but you will have to spend money. The optimal choice is pipes made of low-alloy steel.

Next you need to decide on the thickness of the pipe wall. Manufacturers offer products with thicknesses from 1 to 20 mm. In our case, 2 mm will be enough. It is not advisable to take pipes with a larger wall thickness when assembling garage doors.

As for the sizes, prepare pipes 40x20 mm. This is a universal size, easy to find on sale, relatively inexpensive, and can withstand loads well.

We use metal sheets 2 mm thick as cladding. You can also use corrugated board or wood.

Additionally, the doors can be insulated using polystyrene foam. If you spend a long time in the garage in winter, then insulation will significantly reduce heating costs. Styrofoam is cheap and works great for this purpose.

After assembly and installation, the gate can be painted to protect it from premature corrosion. Choose paint for exterior use.

What to consider?

To ensure that the gate meets all requirements, think through every detail. To begin, select the design type. The consumption of material and the complexity of the work will depend on it. Below you can see the most common gate frame options.

Next, decide whether the design will be complicated by any additional elements. For example, a gate inscribed in one of the gate leaves. This also affects material consumption and welding complexity. In our case there will be no gate.

Decide what material you will make the cladding from. In our opinion, the best option is metal sheets a couple of millimeters thick. Take care in choosing paint and its color.

Make a detailed drawing; do not assemble the doors by eye. Otherwise, you risk getting a lopsided, crooked gate. Based on the drawing made, calculate the amount of materials and purchase them with a small margin. This way you will be sure that during the work you will definitely have enough of all the components.

How to assemble a gate with your own hands

We remind you that in this article we are assembling swing garage doors. However, these instructions can be used when making fence gates. We make the simplest gate of two leaves without an additional wicket. Such swing gates from profiled pipes can be made literally in a day by two people.

Step 1. Preparation

At the preparation stage, you should already have purchased the material and made a drawing of the future gate. According to the drawing, cut the pipes to the specified dimensions using a grinder. Then degrease the pipes using white spirit. If you are using used pipes with signs of corrosion or visible dirt, you need to clean the metal and remove the rust. Here we need a grinding wheel.

Also cut the facing material and foam. If you are not sure of the dimensions, you can first weld the frame itself, and then cut the cladding and thermal insulation under it.

Step 2. Assembly and welding

Before performing work, lay out all the parts on a flat surface according to the drawing. Make sure the parts are cut correctly and are sized correctly. At this stage, we are already moving on to the question of how to properly weld gates from profile pipes.

First, weld the main frame. Weld at the corners, making tacks and then forming a seam. Make sure that the seams are smooth and beautiful, without overlaps or other defects. Weld the remaining elements necessary to strengthen the structure after assembling the frame. Check angles using a level.

Next, you need to clean the seams using the same grinder and grinding wheel.

Now you know how to weld gates. But this is not enough. The hinges need to be welded to the frame. In this article, we talked in great detail about how to do this correctly and how to choose hinges for garage doors.

In addition to the frame of the doors, you need to prepare a “box”. The “box” is attached to the walls and is necessary for the subsequent installation of sashes on it. Can be made from the same profile pipes or corners. It is welded according to the same principle.

Step 3. Cladding and painting

We recommend cladding and painting existing swing gates. The sash itself, without cladding, weighs less, and therefore its installation is simplified.

We use metal sheets as facing material. We weld them directly to the frame of the sash. First, we close the front part of the sash (the one that is visible from the street). Then we insulate it by gluing the foam onto the mounting foam. Then we cover the inside of the sash with a metal sheet.

More about cladding

Now that you know how to make gates from profile pipes, we will add a few words about cladding. We said above that metal sheets, corrugated sheets and wood can be used as cladding. But these are not all the options that exist on the market. We will tell you what advantages and disadvantages each type of facing material has, and you choose the best option for yourself.

So, when cladding garage doors made of profile pipes, metal sheets are most often used. They are reliable, durable, vandal-resistant. These are the main advantages. Among the disadvantages, we note the heavy weight, which is why you need to hang the gate on fairly strong hinges. Also, such gates need to be painted so that they acquire a more aesthetic appearance.

Corrugated sheeting is another interesting option. Its main advantage is its light weight and many colors. You mount it on a frame and don’t even need to paint it. Among the disadvantages, it is worth mentioning that such cladding can be easily opened using a primitive tool, and it costs more than ordinary sheet metal.

Wooden cladding looks interesting, is relatively inexpensive, but requires maintenance. Wood must be coated with special compounds so that it lasts for many years. And do this at least once a year.

In addition to the above options, you can use polycarbonate. This is a cheap and easy option for cladding if your community is crime-free. Polycarbonate sheets are very light in weight and allow sunlight to pass through. But they can be opened with an ordinary kitchen knife.

Instead of a conclusion

Now you know how to properly weld a garage door with your own hands. Homemade gates can be made from various materials, but the most optimal is profile pipes with subsequent cladding. Such gates will last for many years and can reliably protect your property from robbers.

This article can be used not only when assembling garage doors, but also fence gates. You can also make modern sliding gates from profile pipes.

Below in the comments you can share your experience on how to weld garage doors at home with a minimal budget. We wish you good luck in your work!


Source: https://svarkaed.ru/svarka/izdeliya-i-konstruktsii/kak-samomu-sdelat-vorota-iz-profilnoj-truby.html

How to weld pipes at any angle, not just 45 and 90 degrees

• Marking pipes for angle welding
• Using an angle to mark a pipe

How to weld pipes at different angles of 45 and 90 degrees

Welding pipes is not an easy task, especially if you need to make sure that they do not leak during operation. But even if this is not necessary, certain difficulties often arise if it is necessary to weld one pipe into another at a certain angle.

It is quite difficult for an untrained welder to do this. To do this, you first need to mark the pipe, then cut it evenly with a grinder and weld it into another pipe. What tricks are there for this? How to quickly and correctly cut a pipe at an angle?

Marking pipes for angle welding

Very often when installing a water supply system, it is necessary to weld the pipe at a certain angle. In this case, you need to adjust the pipe so that it fits as accurately as possible, which in most cases will guarantee the absence of leaks.

The easiest way is to weld the pipe at 45 and 90 degrees, and you can mark it for welding using a regular sheet of paper. For these purposes, you will need a square sheet of paper, which will need to be folded diagonally. Thus, you can get a simple template for marking pipes at an angle.

You can also use a small container of water to mark pipes, but this method is suitable for marking pipes that are not too large in diameter. Having made the required angle on the container and tilted it, you can lower the pipe into the water. After this, you will need to take out the pipe and carefully trace the resulting mark. Well, you can read about how to cook channel bars on the website mmasvarka.ru.

Using an angle to mark a pipe

An equally simple method of marking pipes for welding differs from the previous one, and the option in which a small metal corner is used is used. It is slightly tacked by welding in the place where the pipe will need to be welded at an angle, and only then the pipe to be welded is drawn around it with chalk.

An excellent way to quickly mark a pipe at any angle is to use long skewers with rubber bands. You can also take electrodes for these purposes, but they are too long, so working with them will not be entirely convenient.

To mark pipes, therefore, you need to place the welded pipe against another pipe, put two rubber bands on it, and then insert the electrodes, one to one and very tightly. Having aligned the pipe at the desired angle, it is necessary to extend or remove the electrodes, thereby forming the required angle at which the pipe will need to be cut.

When the marking is exactly ready, it will be enough to take a pencil or a piece of chalk with sharp edges and draw a line on the pipe along the edges of the electrode. By cutting the pipe exactly according to the markings, you will be able to achieve the correct angle for welding.

There are other ways to mark pipes at an angle for welding, for example, using computer programs. However, as a rule, in working conditions, far from a computer, and more often than not, you have to dodge in all sorts of ways.

Source: https://mmasvarka.ru/kak-varit-truby-pod-raznym-uglom.html

How to weld loops to a profile pipe

Massive metal doors are suspended from door frames on hinges that are welded to the posts and door leaf. Poor-quality installation affects the performance of the door: it does not fit tightly, warps, jams, and stops closing completely. Therefore, before taking up the tool, the master must understand how to properly weld canopies on gates.

Required tools and materials

Before welding the hinges onto the gate, their type is determined. They are hinged, semi-hinged and hinged. For heavy gates, it is recommended to use large hinge hinges: the bearing they contain reduces friction inside the canopy, increasing its service life and making it easier to open the door. It is most convenient to work with parts with a round and hexagonal cross-section; it is more difficult to work with canopies with a square cross-section.

The larger the mount, the higher its load-bearing capacity. Therefore, a part with a safety margin is first selected: weak canopies will deform and collapse under load. But also the requirements for the strength of the hinges are higher for those gates that are used more often - it is correct to weld massive hinges even on a small gate if it is constantly being opened and closed. Only high-strength alloys are chosen as the material for canopies.

To weld the hinges in place, plates are used - metal plates attached to the top and bottom of the canopies to ensure a reliable connection. The height of one plate should be equal to the height of the loop, the width is selected based on the installation conditions.

For example, for a garage door 2.5 x 2.5 m, elements of 80 x 80 mm are used.

Hinges are sold in hardware stores. Factory assembled products are supplied with plates already welded. However, it is possible to manufacture an element according to a drawing in a private workshop.

Having decided on future nodes, you can begin preparing for work. To do this you will need the following tools:

• level;
• roulette;
• hammer;
• mounting pads (boards, bricks, nuts and bolts);
• grinding machine (“grinder”);
• metal brush;
• lubricant (solidol or lithol);
• welding machine;
• dry electrodes with a diameter of at least three mm;
• individual protection means.

When carrying out welding work, the contractor is obliged to comply with safety requirements. Forbidden:

1. Carry out work on a faulty welding machine.
2. Connect the equipment to an ungrounded power source or to a power source of improper power.
3. Weld near flammable materials and explosive substances.
4. Work without personal protective equipment, wearing flammable clothing. Personal protective equipment includes: mask, mittens (or leggings), shoes. It is recommended to wear a welding suit while working.

Preparatory work

They start by welding the plates to the hinges. This step can be skipped if you are using ready-made canopies with mounting plates or when mounting them on round poles of small cross-section. The plates are cut from sheet steel using a grinder, choosing sheets with a thickness of at least 5 mm.

Before assembling the hinge, its internal part (the place where the bearing is located) is carefully treated with lubricant, and the area allocated for welding is cleaned of dust and rust. Cook on a horizontal surface. Two plates are laid side by side along the long side with a gap of 2–3 mm. Half of the canopy is placed on top, welded to one of the plates with a continuous seam. A similar operation is performed with the second half. The resulting seams are carefully cleaned.

Important: according to fire safety rules, welding work is carried out either on unpainted or fully painted, dry parts. Paint that is not completely dry can ignite from a spark.

Installation Guide

The hinges are installed on the side in which the opening will occur. Work is carried out in a horizontal position; surfaces involved in welding are degreased and treated with a brush, having previously removed the layer of paint coating in the area.

The location of future hinges is outlined - they are placed 15-20 cm from the upper and lower edges of the gate. To do this, the door is placed inside the opening on mounting pads that provide a gap between the bottom edge of the gate and the ground. Level by changing the height of the linings. It is recommended that at least two people perform this operation. Having leveled and fixed the canvas, apply the awnings, mark their location on the gate and on the door frame.

After applying the markings, the swing element is removed from the stands, removed from the opening, and returned to the horizontal plane. The hinges are welded in disassembled form: the upper half is allocated for the door leaf, the part with the pin is for supporting structures.

The part is laid along the marks and secured by preliminary spot welding. Check the level to see if there is any misalignment. If the axis of the canopy is parallel to the plane of the swing element, major welding is performed along the entire contact line.

The finished continuous seam is cleaned with a grinding machine.

Source: https://MyTooling.ru/instrumenty/kak-privarit-petli-k-profilnoj-trube

How to weld a gate from a profile pipe with your own hands: video for making - Fence to the yard

Just as a theater begins with a coat rack, so the entrance to an estate begins with a gate. All homeowners are faced with the problem of fencing a site and creating a convenient entrance to it. Requirements for a gate: ease of use, beauty, strength and reliable protection of the area from uninvited glances and guests, ease of manufacture and maintenance, durability.

A product made from profile pipes perfectly meets these requirements. A do-it-yourself gate made from a profile pipe will serve as a source of pride for the owner and as proof of his craftsmanship skills.

If you, our dear reader, are reading this article, then the topic of installing gates is not alien to you. Here you will find a detailed description of the technology for installing and manufacturing a gate made of corrugated pipe. We hope that this information will be useful to you.

Why profile?

Advantages of the profile design:

• strength;
• low cost;
• corrosion resistance (provided the coating is intact);
• ease of installation and the ability to install it yourself;
• the possibility of a wide variety of decorations for such a gate - metal sheets, forging, profiled sheets, wood, polycarbonate - allows you to choose a design that ideally matches the style of the house and fence.

Hinged or sliding?

Structurally, gates are divided into two types: swing or sliding.

Their advantages and disadvantages are given in the table:

Wicket type	Advantages	Flaws
Swing	ease of manufacture	In winter it is necessary to clear snow
light weight	There is no sound insulation at all
low price
beautiful appearance
Time-tested design with hinges is trouble-free
Sliding	manufacturing is more difficult than swing	If there is a power outage, it may be difficult to enter the site
the price is higher (the electric motor and automation are more expensive than simple profiles and sheets of metal or corrugated sheets)	If the electric motor breaks down, it takes time to purchase and replace; during this time the gate cannot be used
beautiful appearance	There is no sound insulation at all
small space saving	Difficult to install on your own

In general, the choice of the type of gate is a matter of taste, although many prefer the traditional hinged design - it’s more familiar. The main advantages of sliding work are that automation and saving space for opening are not so relevant for small gates.

Drawing and preparation

Any work begins with a drawing. First you need to decide on the installation location and dimensions. The gate can be placed next to the gate or separately from it, its height can be equal to or less than the height of the fence.

With a very high fence, the door can have a height of no more than 2 m (rarely 2 m 10 cm), a lintel can be made higher and sheathed in the same way as the fence.

The width is 0.9-1 m (a smaller width is inconvenient when entering with cargo or bags, a larger one also creates inconvenience when opening, requires a more massive frame, and there is a possibility of distortion during operation).

Then you need to think over the design of the door and support posts and draw installation diagrams and a drawing of the door structure. This must be done in advance, think everything through, calculate the required amount of materials, purchase and bring them.

Don’t forget about PPE: for welding work, a canvas suit and gloves, a mask with tinted glass are required; boots; for other work - glasses and gloves, rubber gloves and a respirator for painting work.

What tools will you need?

List of tools and consumables:

1. garden auger, bayonet shovel, crowbar;
2. concrete mixer or container for mixing concrete for installing racks;
3. shovel for loading sand and cement, metal buckets;
4. welding machine. For a home craftsman, it is enough to have an inverter welding machine with a welding current of 160-200 A. You can invite a welder - but you can also learn how to weld simple products yourself - it will always come in handy. A welding machine in the estate will quickly pay for itself - there is always enough small welding work when arranging a garden;
5. tools for drilling holes and tightening screws - drill and screwdriver;
6. level, cord, plumb line, construction square;
7. metal ruler 1 m long, tape measure 5 m long;
8. clamps - they are used to assemble the frame during welding, and temporarily secure the frame when installing the lock and hinges;
9. brushes;
10. grinder, metal cutting wheels, grinding wheels.

Selection of material

To make a gate from steel profiles, the following materials are required:

• steel pipes with dimensions of at least 80×80 mm for supporting pillars of light gates made of corrugated sheets, at least 100×100 for heavier models; wall thickness of at least 4 mm; you can use a structure of two U-shaped channels welded in the shape of a pipe. If one of the pillars also serves as a support for the gate frame, then a pipe with an even larger cross-section is used;
• steel pipes 60×40 or 40×40 mm for welding the wicket frame, 40×20, 32×32 mm for lintels;
• colored roofing screws complete with a rubber washer;
• material for covering the frame - metal sheet 2-3 mm thick; or corrugated sheeting with a plastic coating with a wave height of 10-12 mm, sheet thickness of 10-12 mm; or polycarbonate, end profiles for polycarbonate, special adhesive tapes for closing the ends of polycarbonate; if necessary, ready-made forged parts;
• small bushes of steel sheet 4-5 mm thick;
• bricks;
• roofing felt;
• loops;
• lock;
• sanding paper;
• cement, sand and crushed stone for concrete;
• gravel or crushed stone (middle fraction);
• weatherproof paint for exterior use;
• anti-corrosion primer;
• electrodes.

Installation

Before pouring the installed supports with the foundation, the centers of the foundation pits should be marked. This is done using a cord - it is stretched along the fence, and the centers are marked using a tape measure.

https://www.youtube.com/watch?v=3E6zemJhPRU

Then holes are drilled (or dug up - it should be taken into account that the edges of the dug holes are uneven, and more gravel and concrete will be needed. The depth of the foundation should be equal to or greater than the freezing depth of the soil (1200 mm in central Russia).

A sand cushion 100 mm thick is poured onto the bottom of the pit, then gravel or small crushed stone 200 mm thick is poured. Both sand and crushed stone are compacted. 1200 +100+200=1500 mm - minimum pit depth.

Source: https://airon73.ru/dizajn/kak-svarit-kalitku-iz-profilnoj-truby-svoimi-rukami-video-dlya-izgotovleniya.html

How to install a metal fence with and without welding

A metal fence combines the properties of reliability and affordability, especially if you weld it yourself.

Welding is considered a proven connection method, but you can do without it by using fasteners. To assess the advantages of the methods, it is necessary to consider each of them separately.

Welded construction

To install a fence from a profile pipe, you can use welding or fastening to brackets and screws. Each of these methods has its own advantages and disadvantages.

The most traditional is welding a metal fence. Before starting welding work, a material is selected. To create the frame, profile pipes are usually used.

Unlike ordinary ones, they have not a round, but a rectangular or square cross-section. This shape makes it possible to join them during welding without much effort and attach additional elements to the surface.

For support pillars, you can take round pipes or a square profile 50 by 50 mm. For horizontal elements, sometimes called joists, a 40 by 20 mm profile pipe is suitable. Fences up to 1.7 m high are equipped with two parallel logs; if the fence is higher, then 3 logs are used.

The material for the fencing is corrugated board. Thanks to its low price, good anti-corrosion properties and high availability, it will cope with its task perfectly.

You can also use a steel strip instead of corrugated sheeting. Such fences allow you to freely view the territory.

Necessary tools for structural assembly and welding:

• shovel (for digging holes for supports);
• grinder (for cutting protruding elements);
• welding machine and electrodes;
• level and tape measure (to comply with the calculated dimensions of the fence).

At the preparation stage, it is necessary to dig holes, install support pillars in them and fill them with cement. Next, you need to clean the pipes from grease and rust, build a fence frame from corrugated sheets and attach the main elements by welding. Only after this the profile sheet is screwed on.

Stages of welding work

Welding a fence requires special tools, protective equipment and skills. To preserve life and health, it is strictly prohibited to carry out welding work without observing safety precautions.

You need to weld the joists correctly using a level and a vice. Thanks to a reliable clamp, the structure will remain level, without distortions, and the seam will be stronger. You can take an assistant who will support the crossbars during welding.

When installing fences, manual arc welding is most often used. This old but universal method has not ceased to be in demand today. Its principle is quite simple.

Due to the short circuit, the electrode and the surface of the welding material begin to melt, mixing in the welding pool. The result is a strong seam.

When welding the frame, it is necessary to take into account the presence of stiffeners, which will add strength to the structure and will not allow the corrugated sheet to deform from a strong wind flow.

All that remains is to properly weld the fastening on which the corrugated sheets will be held. After welding is completed, the pipes must be carefully coated with anti-corrosion enamel or paint to protect them from moisture.

The top of the supports made of profile pipes is closed with a plug to prevent the ingress of drops of water and snow . The frame is ready, you can begin installing the corrugated sheets.

When installing the fence, corrugated sheeting with a thickness of at least 0.5 mm is used. This thickness will provide the required rigidity of the structure. The sheets are fastened using roofing screws; the sheets are overlapped. Also, the leaf itself must be at a height of at least 1 cm from the ground.

After completing welding and installation, it is worth reviewing all seams and joints of the fence, checking for strength and painting over open elements, if any remain.

Bracket design

Not everyone has welding skills, which is why fences without welding are gaining more and more popularity. Installation of such fences takes place in several stages. Fundamentally, it is not very different from the welding method, but with a caveat to the method of fastening.

If, in the case of welding, the integrity of the structure is maintained by seams, then fastening the elements using self-tapping screws, bolts and brackets comes to the rescue.

To install a corrugated fence with your own hands without welding, start with supports for the future structure. In the profile pipes that will serve as supports, it is better to drill holes in advance for future mounting of the bracket.

As practice shows, it is much easier to do this on a horizontally lying pipe than on a vertically installed one. After drilling, the supports are placed in holes 1 m deep, 70 cm of which are filled with concrete and allowed to dry. Then the remaining 30 cm is densely covered with soil.

For support pillars, as in the case of welding, a profile with a square cross-section with a wall thickness of at least 2 mm is better suited. More is possible, but a thinner profile can have a detrimental effect on the strength of the fence, making it a victim of harsh weather conditions.

Installation of crossbars

After the concrete has hardened, you can proceed to installing the frame fence rails. They use the same square profile, but smaller in size (40x20).

The length of the crossbar must be no less than the length of the span; this will allow the logs to be joined directly to the support tube and will add reliability to the structure. If the logs are longer than the span, the excess metal can be cut off with a grinder.

The crossbars are fixed using brackets and bolts. The fence bracket without welding performs its function perfectly. A metal that resists oxidation well and does not rust, or is coated with an anti-corrosion substance, is better suited for fastening.

To install corrugated sheets, roofing screws are used. The sheet thickness must be at least 0.5 mm, and the wave height must not be more than 20 mm. If thinner sheets are used for the fence, it is necessary to install additional rigidity logs.

Useful tips

During the welding and installation process, accuracy is very important; try not to harm the polymer coating. Scratches on the paint contribute to the formation of rust, which not only spoils the appearance, but also shortens the lifespan of the entire fence.

The supports and logs (crossbars) of the fence do not have to be metal. The material used is hardwood such as maple, ash or oak.

They are less reliable than profiled metal pipes, but are more flexible in processing, are not subject to fatigue and have good resistance to deformation. For a long service life of the fence, the wooden frame must be impregnated with a special solution, which will protect the material from rotting and repel parasites.

To maintain balance, the color of the corrugated sheeting must match the color of the fence fasteners. In construction stores, roofing screws with multi-colored caps are sold.

Ideally, the length of the crossbar and the distance between the supports should completely match. This will allow you not to worry about the need to cut off excess parts of the crossbar and will save materials.

Source: https://svaring.com/welding/v-bytu/svarka-zabora

How to weld hinges on gates

Gate hinges are a simple device that serves to attach gates to posts, as well as for easy opening and closing. The reliability of the design and ease of operation depend on the choice of this mechanism.

Hinges are mainly equipped with swing structures, which can be quite heavy. Therefore, special attention must be paid to the quality of installation, namely the fastening of hinges. A person who knows how to handle electric welding can weld hinges on the gate themselves, but those who do not have such skills are recommended to turn to professionals.

Welding rules

In order to prevent the gate from sagging and to avoid problems with its operation in the future, all work must be carried out taking into account certain features. Therefore, first of all, special attention should be paid to:

• The integrity of the weld, which must be continuous, that is, without gaps.
• Welding depth - the loop must be welded along the entire plane adjacent to the support.
• Axial location - all hinges on the sash must be in one straight line so that the load on the seams is distributed evenly.
• When determining the number of hinges, if the gate is massive, it is recommended to supplement the design with another pair.
• Dimensions - all measurements are made using tools designed for this purpose, and not “by eye”.

Welding technology

It will be much easier to weld the hinges correctly if you follow the rules of the sequence of the technological process. The sequence of work is as follows:

1. installation of plates;
2. gate installation;
3. welding of hinges.

Now we will analyze each of the stages separately, using the example of circular loops (turned).

How to properly weld hinges, with your own hands.

Installation of plates

Platik is a metal mounting plate that serves both to distribute the load evenly and to simplify welding work. The size of the plate and its shape depend on the weight and dimensions of the valves.

It turns out that in order to correctly install the loop, you need to weld such a plate to it. This is done with a continuous seam, without gaps. Experienced welders can weld without plates, which is quite acceptable, but the fastening will not be as reliable.

Gate installation

Before welding the prepared hinges, it is necessary to install the gate in the opening. This must be done in the way they should be on a permanent basis. For installation, use a long building level or plumb line.

The gates are aligned in all planes: vertically, horizontally. Only after making sure of their correct location several times can you move on to the next stage.

Welding hinges

This process seems complicated only at first glance, but with a little practice you can do everything yourself.

This is done as follows:

• The hinge is lubricated with automotive lubricant (solidol, lithol, etc.), this contributes to their smooth and easy operation after installation.
• Thin linings up to 5 mm thick are prepared; this is mainly required for turned hinges.
• Markings are made - the loops should be located at a distance of 30 cm from the top and bottom.
• The hinges are welded in several places, first to the sashes and then to the pillars. After checking for closure and opening, welding continues until a solid, even seam is formed.
• After the seams have cooled, they must be sanded and primed or painted.

This technology is used by almost all door installers.

Tips and tricks

Incorrect welding can lead to problems during further operation; to prevent this from happening, you should listen to the following recommendations:

• Before starting work, make and study a schematic drawing; if all the details are taken into account in advance, then the risk of redoing the finished structure will be much less;
• straight hinges are welded to the gate laid on a flat surface;
• You can open gates with newly welded hinges after the seams have completely cooled;
• on round posts the loop extends 5 mm outward, on rectangular posts it is welded flush;
• the welding seam should go from bottom to top.

How to make a gate from a profile pipe - do-it-yourself installation

:

When arranging a fence, many owners of summer cottages prefer to install gates with a wicket made from profile pipes. You can make such a metal structure yourself. In addition, a high-quality gate made from a profile pipe can become a decoration for your dacha.

Characteristics of professional pipes

All profile pipe products have the following main characteristics:

• affordable cost;
• reliability and durability in use;
• light weight;
• a significant degree of resistance to mechanical stress and corrosive processes.

Every home craftsman, if desired, can make a gate from a profile pipe with his own hands without the help of a craftsman, which does not require professional knowledge and skills. You just need to confidently use a drill, welding machine, or grinder. You will also need to draw a simple drawing.

For the designed structure, you should purchase high-quality building materials. But before you go shopping, they develop a detailed drawing of a gate made from a profile pipe with all dimensions.

Pros and cons of gates made from corrugated pipes

The design of a wicket door made from such pipe products has both positive and negative features.

Among the advantages it should be noted:

1. Simple design and installation.
2. Simple excavation work, which involves preparing depressions in the soil for installing support pillars.
3. Long service life.
4. Low cost.
5. Decent appearance.
6. Resistance to corrosive processes, provided there is absolutely no damage to the outer surface of the pipes.

There are not only advantages, but also disadvantages that a gate made of corrugated pipe has:

1. There is a possibility that the structure may become deformed as a result of mechanical stress.
2. Lack of even the slightest sound insulation.
3. If the outer protective coating is slightly damaged, corrosion occurs.

Preparation of equipment and building materials for installation work

Before the stage of making a gate from a profile pipe with your own hands, you should purchase building materials:

• for installation of supporting elements - profile pipes with a cross-section of 100x100 millimeters;
• to create jumpers - professional pipes 40x20 millimeters;
• for the construction of a gate frame - profiled products 50x50 millimeters;
• lock;
• self-tapping screws for metal products;
• primer and paint for metal products;
• loops;
• material for finishing the surface of the gate, which can be corrugated sheet.

In addition, to make a gate from a profile pipe, you should have the following tools at your disposal:

• tape measure;
• level;
• grinder;
• drill;
• hammer;
• automatic welding;
• electrodes;
• grinding wheel.

Carrying out installation work

The installation of a gate with a wicket made from corrugated pipes is carried out over several stages:

1. Draw a detailed drawing of the proposed design.
2. They buy building materials.
3. Pipe products are marked and cut.
4. Install support elements.
5. The corrugated pipes are welded into the previously constructed gate frame (read: “Making a gate from a profile pipe - a step-by-step guide”).
6. After strengthening the structure, the hinges are welded and the frame is placed on the supports.
7. A primer is applied to the surface of the frame and painted.
8. They sheathe and decorate the constructed structure.

Installation of swing gates with a wicket

Independent construction of this type of gate with a wicket is simple and is carried out in stages:

1. First, draw a drawing and determine the amount of materials required.
2. When using old pipes, they are cleaned with a grinder and a grinding wheel, or regular sandpaper can be used.
3. If pipe products were purchased recently and have not yet rusted, then they must be degreased using gasoline or paint thinner. The products can also be painted.
4. Cut and mark the purchased materials. If the gate has a rectangular shape, then the corrugated pipes are cut in pairs.
5. Using a hole drill, they make recesses for installing support pillars.
6. The bottom of the grooves is covered with crushed stone, which will become like a pillow for the supports. Then the entire structure is concreted with a mixture of cement, crushed stone and sand in a ratio of 1:4:2. Two days are allowed for the solution to harden.
7. Next, you need to weld the gate frame from a profile pipe as accurately as possible with your own hands (more details: “How to make a gate from a profile pipe with your own hands - a step-by-step guide”). This must be done in such a way that all the existing corners and diagonals of the structure are the same in size.
8. Then you need to weld the hinges to the support posts, and then to the gate frame.
9. When the cleaning of the welding effects is completed, they begin to grind the surface, after which it is treated with a primer and wait until it dries.
10. Apply paint to metal.
11. Profiled sheets are attached to the finished frame with self-tapping screws. They can be placed from the outside or from the inside of the frame - it depends on the personal preferences of the owners of the site. If you plan to decorate the gate using forged elements, then the sheets are fixed exclusively from the inside of the gate frame. When wooden boards are used for finishing, they are first coated with varnish. Forged products are welded to the gate frame.

Construction of sliding gates equipped with a wicket

Sliding gates are considered more convenient among similar structures. They are easy to make and install.

https://www.youtube.com/watch?v=8tZfCP3FBfQ

When installing sliding gates with a wicket made of profiled pipes, the following materials will be required:

• roller device;
• metal frame;
• profiled sheets or similar products.

The metal frame must be created, observing all dimensions, without allowing the slightest deviations relative to the horizontal.

When manufacturing and installing sliding gates, a certain sequence is followed:

1. First of all, the dimensions and weight of the future structure are calculated.
2. Draw a drawing.
3. The materials are marked and cut.
4. The structure is welded.
5. Install sliding elements.
6. Install the frame.
7. The gates are primed and painted.
8. Sheathing the frame.
9. Weld the frame and forged elements (optional).
10. Install radio control on the structure (optional).

Before welding a gate from a profile pipe, a drawing of the designed structure is made. In the process of its development, it is necessary to take into account that a gap equal to half the size of the gate is left on the side. In order for the structure to last long enough, it is necessary to correctly calculate its mass and determine what the material of manufacture will be.

First, the supporting elements are concreted in a vertical position, after which they begin to pour the foundation. The depth of the base and immersion of the pillars in the ground must be at least one meter. In this case, the length of the foundation should be ½ part of the width of the gate.

The work of manufacturing the frame involves welding metal corners in a checkerboard pattern with a 30-centimeter interval. The guide is fixed on the lower edge of the frame, after which corrugated sheets are attached to it. Finally, a roller platform is installed on the foundation, and its top is secured to pillars. Vertical installation of the gate is checked with a level.

Source: https://trubaspec.com/montazh-i-remont/kak-sdelat-kalitku-iz-profilnoy-truby-montazh-svoimi-rukami.html

High-quality welding of profile pipes: useful recommendations

Before welding a profile pipe, you should read the recommendations of professionals and watch a training video

Welding a profile pipe is a specific procedure that requires the use of a certain set of skills.

How well the work is done directly determines how long the result of the work will last. Of course, professionals can best cope with the task, but there are cases when it is necessary to complete the given range of work yourself.

If you approach the issue as responsibly as possible, you will end up no worse than the specialists.

Welding rules

In the process of installing metal pipes, welding is mandatory, which allows you to quickly and efficiently connect all components of the system into a single circuit. Profile products are subject to welding more often than other elements, but still remain popular among consumers.

When welding, you must use protective equipment

Among their advantages are:

• Loyal pricing policy;
• Small mass of finished products;
• Durability of operation;
• Resistance to mechanical damage.

Profiled pipes allow you to recreate absolutely any system, regardless of the complexity of the design. The only thing you have to decide on is the type of welding to use.

Today the following varieties are actively used:

• Electric arc;
• Gas;
• Contact.

Proper organization of work involves preparing a workplace with the ability to securely fix the pipe from all corners, observing safety precautions and basic skills in working with a welding machine and metals of various densities.

The seam should be perfectly smooth and sealed, which will allow the system to be used for many years.

If you don’t have the skills to work with a welding machine, it’s better not to experiment and trust the specialists. Improperly welded pipes are more likely than other elements to corrode and leak.

Electric arc method

Welding a corrugated pipe using the electric arc technique is one of the most popular connection options. The key feature is the fact that work can be carried out in any, even the most inaccessible places. In addition, electric arc welding allows you to weld products of absolutely any diameter and with any wall thickness. It is important to take into account one small feature: the welded edge of a pipe with a wall thickness of more than 4 mm must be subjected to preliminary preparation.

To complete the work, you need only two things: a welding machine and electrodes. Such equipment is quite expensive, but it is not necessary to purchase it permanently. Today, there are many offers for renting out welding equipment. In addition to tools, the master will have to stock up on protective clothing and a respirator mask.

However, before starting work, you need to decide on the type of connection.

The seam can be made:

• Butt;
• Overlap;
• T-type;
• Arbitrary, made at any convenient angle.

The welded pipe should be used after the seam has cooled.

Another important issue is the selection of the optimal type of electrodes.

Its diameter should be tied to the cross-section of the pipe:

• Up to 2 mm – electrode with a diameter of 1.5 mm;
• 2-3 mm – with a diameter of 2 mm;
• 4-6 mm – 4 mm.

Before starting work, the ends of the elements must be degreased and cleaned of small debris.

It is better to carry out the work in a specially designated room, but in the absence of one, you can be content with an ordinary living room. The only condition is that there should be no flammable objects nearby.

Docking begins with fixing two sections of the profile in a stationary position. Spot tacks are applied to the surface, and the welding machine is applied at a speed that allows the metal to melt, but not allow it to flow inside.

Other types of joining elements

If for some reason it is not possible to use electric arc welding, you can implement the process the old fashioned way - using a classic gas welding machine. It is necessary to involve a specialist in performing the work. Otherwise, you can not only get a poor-quality seam, but also endanger others.

The work is carried out at a temperature of more than 100 degrees, which makes it possible to obtain an equal-strength joint in a matter of minutes. It is impossible to achieve such a result when performing work for the first time!

To complete the task you will need:

• Cylinders: with acetylene and oxygen;
• Additives (overlays or on a plate);
• Gas burner with hoses;
• Gearbox 20x40;
• Flux paste.

It is extremely undesirable to use the technique for welding thin-walled elements, because exposure to open fire can melt the material from the inside.

In all other respects there are no restrictions, and the work is performed in the following order:

• Surface preparation: degreasing joints and fixing metal profile pipes at right angles;
• Additive supply to joints;
• Surface treatment with fire from a gas burner.

Before welding, the pipe should be cleaned of rust, if any.

Another way to connect system elements is to use resistance welding. This method is suitable primarily for industrial enterprises equipped with special equipment. In addition, operating a contact inverter is not cheap at all.

How to connect a round pipe to a square one

During the pipeline implementation process, not all elements can be welded together. Sometimes the system requires a square pipe, which is very problematic to connect with other elements. It is better not to try to combine them with an electrode, because it is almost impossible to ensure a perfectly sealed one.

For example, the connection of chrome-plated round and square elements can be done by:

• Khomutov;
• Fittings;
• Gebo coupling.

It is quite possible for a person who does not have a specialized education to connect professional pipes with his own hands. It is enough just to select the appropriate devices, study the basics of the process and correctly fix all the elements of the system. The main thing in this matter is to take your time and not be afraid to correct mistakes. Then it will be possible to weld the elements as efficiently and quickly as possible, and the welded structure will serve for quite a long time.

Source: https://kanaliza.ru/truby/kachestvennaja-svarka-profilnoj-truby-3-metoda

How to weld a profile pipe to a round one

2 Feb by admin

articles

The first place to get to know the house and its owners is the gate or gate. As the face of individual development, they must look beautiful, respectable and at the same time be responsible for the safety of the territory and people. Swing gates made of profile pipes meet these requirements. This article will tell you how to choose a suitable gate design and install it yourself.

Advantages of swing gates

The advantages of swing gates include the following:

• easy maintenance;
• reliability and durability;
• production and installation at affordable prices;
• strength and long service life;
• unlimited possibilities in choosing product configuration and design;
• no need to create a concrete platform (for the rollers);
• possibility of installing automation.

There are much fewer design flaws:

• the availability of space that will be needed for the smooth functioning of the gate;
• taking into account wind loads characteristic of a particular region.

It can be seen that the advantages of swing gates dominate over the disadvantages, which are removable and not critical. In addition, the centuries-old history of using these structures confirms their practical value.

Swing gates - decoration and protection of the territory

Choosing the right material

There are several options for making gates from profile pipes. Regardless of the materials used, they are made according to the same rules. The selected material only affects the characteristics of the finished structure and the subtleties of its manufacture. There are two types of swing gates, the rest are considered only combinations of the main ones.

1. Wooden. They are made of a material that is not very durable, but requires maintenance. Although this type of fencing looks beautiful, its practicality is questionable.
2. Metal. With proper care, these structures reliably protect private territory. Added to their advantages - strength, reliability, durability and easy operation - is the fact that metal can be combined with other materials. First, a solid base or frame is made. Then it is sewn up and decorated using wood, polycarbonate or other metal. This way the space behind the gate becomes invisible.

Let's talk further about how to make combined swing gates from a profile pipe with your own hands.

Making your own products

First, take care of the necessary material. What will you need?

• Profile pipe with a cross section of 100x100mm (6-7 meters). It will be needed to construct support posts for future gates.
• Profile pipe with a cross section of 20x40mm or 25x40mm. From it you will make a frame for the swing doors of future gates.
• Canopies equipped with a support bearing with a ball located inside it.

You will also need material for cladding the frame. Depending on your preference, you can cover the gate frames with wooden slats, profiled decking, sheet metal with forged elements, or cellular polycarbonate.

Now let’s look at how swing gates are made step by step.

Assembling the sashes

To weld gates from profile pipes you will need a welding machine.

The frame is first assembled and then welded

1. Weld the frame according to your chosen configuration. Usually it is made in the form of a rectangle with a side size of 1.5-2.0 meters. Its upper part can be flat or curved (in the second case, you will need the help of professionals).

Important! First, assemble the frame using tacks. To do this, use a tape measure to check whether the diagonals of the frame are respected, and only then thoroughly weld the joints.

1. Place horizontal reinforcing bridges (stiffening ribs). They are installed at a height of 40-50 cm from the lower and upper edges of the sash.

1. Take care of the elements that will become a reliable support for the gate locking mechanism. A special box made of sheet iron will protect the lock from rain, snow, etc.

Arrangement of support pillars

Gate leaves are hung on support posts or pillars, so they are prepared in advance:

1. First of all, the upper part of the racks should be muffled so that sediment does not get inside the square or round pipe.

1. Weld the canopies to them with the part that contains the pin (it is turned towards the plug). Place the hinges on each support at the same distance from the top. On gates with a height of 2 meters, the first loop is placed at a distance of 30 cm from the top, and the second – at 140 cm.

1. After installing the hinges, weld a piece of profile pipe at the bottom of the support. Do this haphazardly around the entire perimeter. Thanks to this technique, the post, when it is installed in a dug hole in the ground, will be securely fixed in the concrete.

Creation of a single design

To connect the parts of the swing gates into a single product, take a tape measure and mark the location of the plumb lines on the gates. Then weld the return canopies and hang the sashes on the supports. After this, the finished gates are installed in the prepared place.

Design solution for a gate with a wicket

The technology for installing swing gates includes the following steps

• Dig holes in the ground at least 0.5 meters deep. Make sure that the distance between them is the same and that the fence line is respected.
•  Place the posts in the prepared holes and make sure that they are positioned strictly vertically. Strengthen them in a way accessible to you to fix this position.
• Fill the holes almost to the top with pre-prepared concrete and leave the structure for 2-3 days. The concrete will dry, firmly rooting the pillars in the ground.
• Hang the sashes on the supports and check how accurately you managed to complete the job.

Note! Once the structure is fully assembled, it will be difficult to correct the shortcomings.

Therefore, do not forget the saying “Measure twice, cut once.”

Now you know how to weld a gate from a professional pipe with your own hands. The main thing is to be patient and be meticulous in your work at all stages of production. If it seems that you cannot do something, remember that “the eyes are afraid, but the hands do.” Let the gates you make be a source of pride for you! Good luck!

garage door frame made of profile pipe

Source: https://vse-pro-stroyku.sqicolombia.net/kak-privarit-profilnuju-trubu-k-krugloj/