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The construction of wooden housing in our great power has been developed since ancient times. First of all, this is caused by colossal reserves of this environmentally friendly and relatively inexpensive material. Despite the emergence of many new construction technologies, classic log houses still remain popular. After all, the advantages of rounded logs are obvious, and they will be discussed further.

Photo of the construction of a classic log house.

Why exactly a log?

First, let's find out what a rounded log is and why the vast majority of people prefer to build housing from it.

Important: speaking in the dry language of definitions, a rounded log is usually called a straight tree trunk, pre-processed on woodworking machines to give it the correct cylindrical shape. As a result, the top uneven layer and knots are removed, and compensation and mounting grooves are applied.

Scheme of a rounded log.

Advantages of the material

• Wood itself has a natural porous structure, making it one of the best warmth and sound insulators.
• Having clear geometric dimensions, this material fits perfectly together. Specially designed grooves ensure high tightness and quality of inter-crown seams.
• All trunks have a clearly fixed diameter; the maximum deviation here can be no more than 2 mm. This makes it possible to choose wood for the construction of premises for various purposes with specified characteristics.
• At the moment, there is simply no building material that is more environmentally friendly and beneficial for people. Unlike wood, traditional brick or modern views building materials can only boast of environmental neutrality.

Product calibration.

• Although the price of rounded logs may be higher than that of many competitors, such houses do not require additional internal and external cladding. This material itself has natural beauty, as a result of which owners save significantly on finishing.
• Modern woodworking equipment makes it possible to initially produce trunks with ready-made connecting elements. This significantly speeds up the construction process and gives a lot of layout options.

Layout diagram.

• You may have already heard that natural wood breathes. This refers to the array's ability to take out of thin air excess moisture and give it back when conditions change. Simply put, a tree is natural conditioner, providing an ideal microclimate for human life in the house.
• And finally, the construction instructions are quite accessible. A simple bathhouse, barn or small country house, a good owner, with a strong desire, will be able to build it with his own hands.

Some product characteristics.

What are the disadvantages

• As we have already said, wood is a living material, so over time the wood begins to dry out and crack. This is true, but thanks to modern impregnations and primers for wood, such processes can be significantly slowed down.
• Many people know that during the process of growth, a tree trunk slightly twists in a spiral. After the cut, this spiral sometimes begins to unwind. This is why craftsmen do not recommend building from freshly cut timber; the structure may fail. But a dry rounded log does not have this drawback.
• Disadvantages such as high fire hazard and susceptibility to biological pests are easily eliminated using the same specialized impregnations.
• Perhaps the only one significant disadvantage of any wooden structure there is a high percentage of shrinkage of new houses. Well-dried, high-quality wood shrinks up to 100 mm for every 3 - 4 m of wall in the first year. And 10 - 20 mm each for another 2 - 3 years. Freshly cut timber will take up to 10 years to shrink.

Log structure.

What affects performance

To determine the basic parameters of the material, there is a set of regulations. In our country this is GOST 2708-75, in the west ISO 4480-83. There is no big difference between them, the main parameters are identical. It is on this data that a program such as a calculator for rounded logs of volume, weight, density and other characteristics is based.

Array volume table.

Advice: it is desirable that the table of the volume of rounded logs be original, that is, taken from the above regulatory documents. Since now there are many corporate tables compiled taking into account the commercial interests of some corporations and containing inaccuracies that are beneficial specifically for those who compiled them.

Machines and equipment

Even 50 - 100 years ago, every carpenter or just a good owner knew how to round a log at home. Due to the fact that this occupation is long and very labor-intensive, with the development of woodworking production there are not many real specialists left.

Technological line.

Of course, in the debate about whether a log or a rounded log is cheaper, an ordinary unprocessed trunk wins. But line up nice house or quality sauna from “wild” material is almost impossible. Apart from the time spent on handicraft cylindering and labor-intensive installation, you will not be able to seal the seams and joints hermetically. Accordingly, the room will be cold and will not last long.

A machine for cylindering logs is, in fact, a symbiosis of milling and turning functions. Such equipment has impressive dimensions and includes a common metal frame on which they are based, a power unit, which can consist of several power units.

The main work is done by the headstock. It is on it that cutters for stripping the top layer and figured cutters for finishing the log are installed. The tailstock, as in most similar equipment, serves to fix and feed the workpiece itself.

Factory machine.

If you want to know how long it takes to make a rounded log, then in this case depends on the quality and functionality of the equipment. Modern automated lines are capable of turning a high-quality calibrated product from natural logs in a matter of minutes, according to specified parameters.

All such units come in two types - continuous and cyclic. The first ones are designed for large production volumes and have a minimum of functions. In them, the material moves in a continuous flow and, passing through work area, cylindered and milled.

Installing the workpiece on the machine.

Aggregates of the cyclic type perform a given algorithm of actions, after which the cycle is repeated. They, in turn, are divided into cyclo-pass type, where the barrel moves and the carriages are in a fixed position. And cyclo-positional, where the log is motionless and the carriages move around the workpiece.

Typically, a machine for cylindrical log made with your own hands on the basis of a sawmill, where instead of the front cone a stop is placed, and the tailstock is replaced with a bearing or a rotating cone. The workpiece secured in this way rotates due to an additional drive or with your own hands, which is very difficult and inconvenient.

Kustanay machine.

Processing is carried out by a milling head mounted on separate guides. The very principle of operation of such a handicraft unit resembles the operation of a wood milling machine. A rotating workpiece is gradually processed by a milling cutter moving along guides.

Advice: due to the serious weight of the workpieces themselves, experts recommend rigidly mounting such equipment exclusively on a concrete base. If this is not available, as an option, you can lay reinforced concrete slab for covering.

General scheme machine

A few words about the characteristics

Domestic production is more focused on the so-called lunar profile of rounded logs. It contains a mounting cup for connecting the crowns and a compensation cut.

This cut serves to compensate for the natural internal stress of the array, as well as temperature and humidity expansion. Such a product is cheaper to manufacture, plus it does not require careful preliminary preparation of the material.

Types of profiles.

The Finnish profile provides a tighter connection of the crowns; therefore, less sealing materials are needed, but the log requires careful drying and preparation, as a result the price of the Finnish profile is higher.

The working height of the rounded log is 6 meters. This does not mean that products cannot be larger or smaller.

It’s just that this is the size that most production lines are oriented towards. An increase in height entails an increase in cost. The price of smaller barrels depends on the quality and complexity of processing of a particular product.

Storing goods in stacks.

As for the diameter, the working range here ranges from 160 to 320 mm. Rounded logs of 400 mm or more are processed on special machines. Such non-standard goods are used to equip the main crowns of the building, as well as other important load-bearing units. In addition, the walls of the first floors for multi-storey cottages are sometimes erected from logs with a cross-section of 400 mm.

The cost of the product is greatly influenced by the method of drying the massif. Natural drying takes place for about six months under open sheds in natural conditions. Such a product costs less, but its shrinkage is higher.

Chamber drying involves processing the material in special high-temperature chambers. Such a log shrinks less and is considered to be of higher quality.

Important: glued rounded logs appeared on the market relatively recently. The price for such products is much higher. But, according to experts, they are of exceptional quality.

Barrel processing.

The video in this article contains materials on this topic.

Conclusion

As a business, rounded logs are considered a very profitable option. To run the average technological line with a standard assortment you need about half a million rubles. In this case, the payback often does not exceed a year.

Chopped bathhouse.

rubankom.com

Features and installation of a log rounding machine | Construction portal

It so happened historically that since ancient times people have built their homes from wood. This is quite easy to explain by the ease of processing, the availability of such material and excellent thermal conductivity properties. Many years later, with the advent of new technologies, wood began to be processed using special machines. To obtain rounded logs of the same diameter and length, a special woodworking machine is used for rounding logs.

Features of the rounding machine

Rounding machine is a woodworking machine that is designed for the production of rounded logs and profiled timber from round wood and for the production of log houses. The rounding machine makes it possible to perform all the operations that are provided for by the log production technology: making a selection of mounting grooves, a crown cup, rounding a log (primary and secondary processing) and milling a smooth surface.

You can also use the machine to perform such operations as sawing a carriage into edged boards, sawing a log into a carriage and a board, making moldings and blanks for end parquet, obtaining edged boards from unedged.

When using a saw unit without removing the log from the center, you can make a compensation groove to relieve the internal stress that occurs when drying the log. All these operations are performed on the machine sequentially with one set of tools for one installation of the log. Because of this, when producing a finished log, there is no need to reinstall the cutters and log.

The combination of different processing modes makes it possible to obtain products of a rather complex configuration - balusters, beams of complex profile and with different diameters. The formed geometric profile allows the construction of wood structures of any complexity. In addition, machines for rounding logs help to process material 7 meters long.

Design of a log rounding machine

The rounding machine includes the following blocks: a common metal frame made of square pipes, on which guides are installed that are intended to move the power unit and the saw carriage along them. On the common frame there are also headstocks and tailstocks, which are needed for installation in the centers of the original workpiece and driving the log into rotation. On the headstock there is a dividing head, which serves to fix the log in different positions, as well as a spindle head for rotating the cutters.

As a working tool, cutters of a special design are used - figured and universal, which are installed on the spindle shaft of the machine. A universal cutter is necessary for rounding, plane milling and selecting crown cups. The shaped cutter is intended for cutting out the mounting groove. The technological feature of the cutter used on the machine is to provide a “soft entry” into the wood surface being processed. This results in reduced vibration and will also increase the accuracy of the work.

The knives used in the cutters are removable. If the operator sees that the required size of the treated surfaces is not maintained, then it is necessary to sharpen removable knives. Removable knives are made of high-quality tool steel, which makes it possible to use one set of them long time, and at the same time the resource of the cutter itself is not limited.

To reduce time and facilitate installation, special mechanical levers are used in the center of the log; they can be installed on the frame in any place, as shown in the photo of the log rounding machine. When passing through small diameters (up to 200 millimeters) of the mounting groove, some deflection of the log may be observed; to eliminate this, a stop roller is used, which is adjusted to the diameter being processed and is installed on the side of the logs opposite the cutter.

When choosing a crown cup, reliable fixation of the carriage is required; for this purpose, mechanical braking devices, which are placed at both ends of the carriage and securely fixed. There is also a special mechanism for fixing the carriage, which prevents it from rotating when choosing bowls. When making a longitudinal mounting groove or bowl, very precise (manual) adjustment is also required - for these purposes, a special mechanism for manual rotation of the log is installed.

Classification of rounding machines

Rounding machines for logs technological schemes can be divided into two types:

1. Pass-through devices with continuous movement of logs. The log in pass-through machines is processed while moving in the tool area without stopping. The movement of logs can be carried out without a gap or with a gap between the ends of adjacent logs.
2. Cyclic devices with intermittent movement of logs. During one processing cycle in cycle machines, a repeating set of movements occurs. Cyclic machines are divided in turn into two types:
   • Cycle-through rounding machines: the log is processed with a cutting tool that makes working movements;
   • Cyclo-positional rounding devices: the log is processed while moving relative to the area of ​​the working tool.

Each combination of movements makes it possible to determine the kinematic cutting pattern different methods processing. The operation of the machine is represented by the following combinations of movements of the log and the working tool: linear and two rotational, linear and rotational.

A log, when processed in through-flow cylinder cups, undergoes rectilinear movement, and the tool is correspondingly rotational. At the moment of processing along the axis of the log, a log in cyclo-pass machines makes a rectilinear movement, and the tool in position makes a rotational movement, as shown in the video about a machine for cylindering logs. When processed in positional lathes, a log produces rotational movement, and the tool itself (cutter) moves in a straight line, parallel to the axis of the log.

Depending on the shape and type of the tool and its cutting edges, all types of log processing can be divided into two types - milling and turning. Turning is characterized by a constant process of chip formation. The main movement, which occurs at a fairly high speed when turning, is the rotation of the tool or log. Milling is characterized by a variable chip formation process. When milling, the main movement is the rotation of the tool.

Woodworking machines in our time, according to the degree of automation and mechanization, are divided into the following classes:

1. In mechanized machines, the main movement and feed movements are performed without human intervention. The operator provides regulation, adjustment and unloading, as well as loading of the machine.
2. In automatic machines (automatic machines), the entire complex of movements and operations is performed by the machine. A person is assigned the role of monitoring the work and periodically loading the machine with workpieces. In fully automatic machines, the loading of workpieces itself is automated.
3. In semi-automatic machines, operations are automated only within one cycle, and human intervention is required to complete the next processing cycle.

Comparing different log rounding machines, we can say that not only the price of log rounding machines differs, but also their functions:

• Through-type machines have high productivity, but at the same time they demonstrate low processing accuracy and rather high surface roughness due to the lack of a basing system;
• Cyclic positioning devices guarantee high accuracy and have excellent quality surface to be treated, but their output capacity is much less than that of pass-through devices;
• Cyclic positioning machines have reliable system basing, occupy quite a small production area and are widely used in production.

Do-it-yourself installation of a rounding machine

Usually homemade machines for rounding logs are made on the basis of sawmills. The front cone is replaced with an emphasis, and on tailstock Install a thrust bearing or tapered roller bearing. The fixed log rotates using an additional motor, or manually, which is not so practical. Making a cutter is the most difficult. In order to complete the task as easily as possible, it is made into typesets, that is, assembled from several elements. It should be noted that the material of the cutter itself must be durable, that is, soft alloys are not suitable for these purposes.

Most in a simple way To ensure the movement of the cutter along the log itself, laying an additional rail track along which the installation will move is considered. This will make it possible to eliminate manual dragging. The principle of operation of such an installation is similar to the principle of operation of an ordinary milling machine, when the workpiece, fixed in positions, rotates, and the cutter moves along it.

Remember that it is recommended to install the machine for rounding logs with your own hands on a concrete area. It is also possible to operate the rounding machine on compacted soil. In this case, install the machine on transverse guides of wooden sleepers - for example, a beam with a cross-section of at least 1500X1500 mm. The recommended distance between sleepers is one meter. It is also necessary to prevent soil shrinkage in the places where the machine will be installed.

The machine begins to be installed by assembling the frame. The frame sections should be assembled and installed at an even level in one horizontal plane. Maintain an installation error of no more than 0.5 per 1000 millimeters - both across the guides and along them.

When installing the frame on a concreted area, the frame is mounted at a height of approximately 15-20 centimeters, and the joints of the sections are concreted. The power unit, front and rear headstocks, and racks are mounted on the installed frame, onto which a cable is pulled to secure the electrical moving cable. A clamp-stopper is installed on the power unit. The machine is also grounded to common system grounding.

Next, a motor is connected, which rotates the workpiece. Connect the machine to the electrical network, check that the power supply phases are connected correctly to the appropriate power modes. To do this, press the cutter up/down button. If the actual direction in which the power head moves coincides with the same direction as indicated on the control panel, then the power supply has been connected correctly. Otherwise, it is necessary to change the phases.

After this, you need to check the direction of rotation of the workpiece. When the direction of rotation is incorrect, it is necessary to reverse the phases on the motor. It is prohibited to turn on the workpiece rotation motor and the rounding machine motor until the correct connection of the power supply phases has been checked.

If you, after making a machine for rounding logs, carry out the initial start-up more than two months later, after a long break, or the machine was in storage and during transportation in a condition high humidity, then before starting it is necessary to keep it in a dry room for some time to remove moisture from electrical equipment.

Remember that the front and rear headstocks of the log rounding machine must be placed parallel to the guides and, according to the selected length, be rigidly fixed. In addition, it is necessary to check the alignment of the tailstock and headstock of the rounding machine. For this purpose, measure the distance with an accuracy of one millimeter: between the vertical longitudinal profile and the center of the headstock, between the near guide and the center of the headstock. It is necessary that these distances be the same for the tailstock and the headstock.

Improper balancing of cutters and changes in the sharpening angle of knives can lead to failure of the rounding machine, or to deterioration in the quality of the surface of the product. The shaped cutter is installed on the conical part of the shaft and secured with a bolt. A universal cutter is screwed into the body of the shaped cutter and then tightened with a special wrench.

In addition, if you have made a machine for rounding logs, check that the frame is mounted correctly and horizontally. By placing spacers under the rear headstock, you can determine the parallelism of the axes of the tailstock and front headstock with the plane of movement of the cutter. The thickness of the gasket should be equal to half the taper value.

strport.ru

Do-it-yourself rounding machine for logs

Rounding machines are the main components of wood processing lines, which are applicable both in standard workshops and in the manufacture of similar products with your own hands. The main function of this machine is due to the cutter with complex design And different types sharpening knives remove smooth top layer from every log.

Log rounding machine

Currently, there are a huge number of similar products of various types and purposes on sale, among which it is not at all difficult to choose the equipment that is ideal for your case.

Galvanizing machine - equipment features

A machine for rounding logs is a mechanism in which the processing of logs is carried out through the contact of several special cutters with them. The latter are driven by a special motor (in some configurations there are two of them).

All logs are securely fixed by the system during feeding, making them easy and uniform to process.

Also, depending on the type of equipment, it may also have a rail track, the installation of which for the walk-through version requires a special concrete base for installation.

Read also: what models are there in the line of Corvette sawing machines?

Various types of rounding machines are on sale, including equipment of the Rus and Sherwood type, of the pass-through type, as well as of the modular type.

This equipment, like Sherwood or Rus devices, can be independent units or be part of a woodworking complex. They come in different capacities.

The average volume of logs that the Rus, Termit, and Sherwood machines can freely pass through is 240 mm, although some versions of such equipment can easily handle larger samples.

Round - milling machine Sherwood OF-28TS

Cylinder installations allow you to perform a whole series types of material processing. In particular, it is used to directly round logs, prepare a longitudinal laying groove, a compensation cut, as well as specialized elements for fastening - side bowls.

This equipment is suitable for everyone without exception. varieties of material, including popular beech, oak, birch, ash, pear, alder, pine and other types of wood. to menu

Pros and cons of this processing technology

The advantages of this type of machines for processing logs include:

1. High speed of product processing.
2. Precision in many types of processing thanks to the variety of knife sharpening.
3. Absolute operator safety when working with such equipment.
4. Simplicity in tinctures, high level automation of such devices.
5. High quality of material processing, regardless of the quality of the wood processed
6. Versatility - with this device you can make any workpiece from natural wood.
7. Low wood consumption, which is provided not only by the Rus and Sherwood samples, but also by a homemade rounding machine.

Rounding machines allow you to make any workpieces from natural wood

As for the disadvantages inherent in this type of device, among them it should be noted:

• large dimensions of the equipment, due to which those who like to process wood with their own hands cannot always install such structures in their own home;
• high prices for replacement parts, as well as the necessary processing of products before starting work, for example, sharpening knives.

Replacement parts for rounding machines

For simple processing of logs on such machines various types Without changing the quality of the finishing material for such structures, it is necessary to purchase the following types of components:

1. Replaceable cutters, especially non-standard types (when purchasing these components, special attention should be paid to the quality of sharpening of knives under individual species timber).
2. Additional electromechanical drives for some design types.
3. Replacement parts for processing bowls.
4. Parts for making compensation cuts.

Also sometimes for this type of equipment, including Sherwood and Rus machines, you can buy special types sharpening knives for individual logs, as well as some flexible replacement elements. You can replace them yourself. The list of such for each device is individual. to menu

Popular types of rounding machine

Currently, there are several popular types of such equipment used by professionals, as well as DIY enthusiasts to carry out construction, repair, finishing work in the house.

Round timber rounding machine Altai-os550

Among these models:

1. Rounding machine Altai. Thanks to its knife sharpening features, the equipment allows you to process logs with a diameter of up to 550 mm. Equipped with spherical and end-type cutters. The main advantages of this version when processing logs: the ability to select the optimal speed of the device throughput, as well as adjust the depth of penetration of the knives. Ideal for all types of production, like Sherwood, including the construction of small wooden houses.
2. Rounding machine Kedr. Another type of pass-through type equipment for industrial enterprises. Allows you to lay up to 7.5 meters of logs per processing. Suitable for all types of logs thanks to the unique type of sharpening of the cutter.
3. Rounding machine Taiga OS 1. The equipment, like Sherwood, is suitable for roughing and finishing types of wood processing. Allows you to work with samples with a maximum diameter of 240 mm. Like other examples of the walk-through type, it can be used for industrial purposes, including the construction of a house or bathhouse from timber. Depending on the type of knife sharpening, it can be used for various tasks.
4. Rounding machine Termit. Universal equipment of the pass-through type, like the Rus machine, suitable for processing various types of timber. Ideal for industrial enterprises where it can receive up to 900 linear meters finished timber per shift. Modern design This equipment eliminates the possibility of the log turning during processing.

General view and technical specifications rounding machine Termit

All types of this equipment are most suitable for industrial production of timber, however, if there are proper conditions for doing it yourself, they can be used at home.

The cost of such products, as well as the Rus or Sherwood models, depends on equipment configuration, as well as companies selling this type equipment. Best prices for it from official dealers.

For those for whom such products are not suitable technical parameters, you can make a homemade rounding machine, created according to existing equipment sketches. to menu

The process of rounding logs on a machine (video)

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DIY rounding machines

People have worked with wood for a very long time. Since then, the use of this raw material has only gained momentum. Currently, there are entire facilities dedicated to wood processing. However, skillful owners can assemble some devices themselves if they need to process wood in large quantities. The rounding machine became a rather useful device.

Purpose of the equipment

The main purpose of this machine is that it is used to give correct form those logs that go into the construction of log houses. Naturally, harvesting can be done manually, but the use of an automated device significantly speeds up and facilitates the entire process.

The rounding machine has the following number of functions:

• prepares grooves in logs for further installation;
• carries out rounding of the material;
• used for the production of edged boards from carriages;
• you can prepare dies for parquet;
• smooth wood can be milled;
• trimming unedged boards;
• production of timber of the required dimensions.

In addition, this equipment can create expansion grooves using a circular saw, and the processing speed of raw materials is adjustable.

What does the unit consist of?

The rounding machine includes several of the following components:

• Metal frame, which is most often made from rectangular-type pipes.
• Necessary guides for moving the power and sawing device.
• Headstocks used for fastening and torsion of logs. The headstock must be equipped with a dividing head that secures the barrel. The spindle head will also be mounted there.
• The cutter for rounding machines is one of the key elements. If the cutter is of a figured type, then it can be used to make a groove for mounting, but if it is universal, then it can be used for rounding, cutting crown cups, and processing planes.
• An important element There will also be removable knives for the cutter. They must be made of good steel. The main convenience is that they can be replaced without removing the cutter itself.

Types of units

Today there are several types of rounding machines.

Pass-through type machines ensure constant movement of the workpiece on the table, processing it at the same time. There are also cyclic type machines, in which movement and processing occurs in several cycles. In addition, this type of equipment is divided into two more - these are cyclo-pass and cyclo-position. In the first case, the wood workpiece remains stationary, and the cutter moves; in the second case, on the contrary, the processing tool does not move, the wood moves.

It is also worth noting here that the division of machines is also carried out according to the level of their automation. There are mechanical, automatic and semi-automatic machines. If a mechanical type of machine is used, then loading of material and setting up all processes is carried out by the operator. In automatic machines, all this happens without human intervention; you just need to control the progress of the work. Semi-automatic machines are capable of controlling only one stage of work; then operator intervention will be required.

A small comparison of classes

Continuous-type rounding machines are distinguished by their high productivity, but they also have a certain error during operation, and the surface may remain slightly rough.

Units belonging to the cyclic type process the surface much better, and also perform other operations, but this significantly affects productivity.

However, it is worth noting here that it is the second category of devices that has become more widely used. Since they are more compact, and their base is considered more stable.

DIY rounding machine

Most simple option Assembling such a device with your own hands will use a sawmill as a base. Instead of the front cone of the equipment, it is necessary to install a stop. The bearing for this part will be equipped with the headstock, which is located at the rear. In order to rotate the workpiece, you can use an electric motor or a handle.

The greatest difficulty is in the manufacture of a cutter, and therefore they try to assemble it from several separate elements. It is very important that the material used for this part must be very durable. To move the cutter, an additional rail is used, which also needs to be installed. The final device is very similar to a conventional milling machine. The workpiece is placed in the grooves and rotates, and the cutter moves along. Rounding machines work in the same way.

Assembly steps

The first step is to assemble the frame. The installation height of the frame is 20 cm. The tilt error is allowed in the region of 0.5 mm per 1 meter. The second step is installing the power mechanism, as well as attaching the headstocks. Next, you need to secure the cable for the electrical cable to the installed racks. After this, you can begin attaching the stopper to the power mechanism. An important part of the job will be the grounding equipment for the device if it uses an electric motor. Only after the grounding has been arranged can you begin to connect the motor to the power supply. When this is ready, it is necessary to check the compliance of the phases with the operating modes. If they were connected incorrectly, then when the motor is turned on, reverse rotation will occur. If this happens, then the phases need to be swapped. When everything is ready, you should check again for correct rotation. It is strictly prohibited to lay the log before all inspection work has been successfully completed.

Particular attention must be paid to the headstock fastenings. They are installed as rigidly as possible and parallel to the guides. The axes of both elements must coincide. It is also important to balance the cutter, otherwise the machine will quickly fail.

Wood processing has been carried out for several centuries. Since ancient times, rounded logs have been used to build houses, bathhouses and other structures. The process of giving the correct shape to logs is quite complex and involves the use of special rounding machines. Many people who often work with logs decide to create a rounding machine with their own hands. It is almost impossible to carry out high-quality processing manually, and it requires quite a lot of time. Let's look at the features of how to make a cylinder machine with your own hands, what types of such equipment there are and many other points.

Equipment use

Modern machines make it possible to carry out rounding so that the prepared log is suitable for installation in wall structures without finishing. The functionality can vary significantly, depending on the design features of the rounding machine and its cost.

When considering all drawings and models of equipment that is used for rounding logs, attention should be paid to the following points:

1. Creation of grooves that can be used during installation to solve various problems.
2. Production of edged boards, parquet, dies.
3. Carrying out cylindering work, including final stage the problem under consideration.
4. Milling the surface of wood to achieve the desired roughness.
5. Creating a crown cup.
6. Production of gun carriages by cutting wood.
7. Creating an expansion groove using an installed circular saw.

One should take into account the fact that a self-made cylindrical machine may not have all the functions, since for this you need to use complex projects. The easiest way is to create non-universal equipment that is designed to solve specific problems, for example, rounding workpieces.

Features of modern industrial models

The main feature of machine models produced by well-known manufacturers today is the use of a laser pointer to control the movement of the carriage. This point determines high processing accuracy and the ability to carry out the entire process without reinstalling the workpiece. Thus, a CNC-controlled carriage with a set of tools moves along guides and performs various types of operations.

As practice shows, you can make a model with your own hands that will have manual control and the ability to process workpieces up to 7 meters long.

Features of the design of the design in question

When considering which rounding machine homemade drawings may have, we note that often the design has the following elements in one form or another of their implementation:

1. The main and most cumbersome element is the frame. It is on it that stress is concentrated and all other elements are attached. When making the frame, it is recommended to use rectangular pipes. The connection of all elements is often carried out using welding, which allows you to speed up work and create a truly durable structure. However, it is possible to create a frame using a combination of a bolt and a nut. Collapsible frames are more mobile, but have less rigidity.
2. Guides along which the sawing power and sawing device will move. The length of the logs can reach several meters and weigh tens of kilograms. In order to significantly simplify the processing task, you should create a homemade rounding machine on which the tool moves, and not the workpiece.
3. Pasterns: front and back, in some cases, only one. They are necessary to twist the logs during processing. Note that the front one quite often has a dividing head and a workpiece fastening system. With the help dividing head you can set the rotation angle at each stage of processing, which is necessary to improve the quality of the workpiece.
4. As a rule, a milling cutter is used as a cutting tool. There is enough large species this cutting tool. When considering how to make a cutter with your own hands, we note that the work is complex and involves the use of rolled tool steel, which has increased strength and a low degree of machinability.
5. A high-quality cutter has replaceable knives that can be sharpened and replaced if necessary. The cutter itself does not wear out over time.
6. To correctly place a log that has a lot of weight, special levers are installed.
7. The rollers, acting as a stop, do not allow the log to sag during processing, thereby significantly increasing the quality of the resulting material.
8. Almost all models have mechanical brakes that are installed on both sides of the carriage. They are necessary to perform the work of selecting the crown bowl.
9. A device that allows you to rotate the steel manually at the time of cutting a longitudinal groove.

Operating principle

These elements have many drawings that you can use to create a rounding machine with your own hands at home. However, the design can be significantly simplified by taking into account the problems for which it is being created.

Creating a homemade machine

The do-it-yourself scheme for creating the machine in question involves using a sawmill as a base. When carrying out work, a stop will be installed instead of front stop, a handle or motor will be installed to rotate the workpiece.

It's quite difficult to create your own cutting tool– prefabricated cutter. As a rule, it is made by joining several parts from a durable material. A rail is installed to move the cutter.

Processing sequence

When planning to install equipment, it is worth remembering that the final weight of the structure itself and the workpiece can reach several hundred kilograms. That is why the machine should be installed exclusively on a concrete base or tightly compacted soil, on which a thick and durable beam is laid.

Factory model

A do-it-yourself rounding machine will not have high accuracy and multifunctionality like industrial versions, but it will still be enough to solve a large number of problems in everyday life. The build process is as follows:

1. First you need to assemble the frame. For this you will need building level, since the error should not exceed 0.5 mm per meter. When assembling, rectangular steel beams and, less commonly, pipes are most often used. They can be connected by welding or a dismountable fastener, or combined to simplify the process of reinstalling the machine.
2. The next step is to install power units and money. The importance should be taken into account the right choice electric motor. Previously, only three-phase versions were suitable for this case, but modern options It has also become possible to use versions of two-phase motors (however, their cost is quite high).
3. We pay attention to the correct and reliable fastening of the power cable. If possible, it is protected from mechanical impact.
4. The installed power mechanism can be equipped with a stopper.
5. Grounding is carried out. This point also needs to be paid attention, since metal structure acts as a conductor, and if the power cable of the electric motor is slightly damaged, the current can flow to the frame.
6. When installing a three-phase electric motor to rotate a log, it should be taken into account that the arrangement of the phases determines the direction of movement of the output spindle. When changing phases, you can also change the direction of rotation. It is worth remembering safety precautions when working with electricity, especially in the case of three-phase network with voltage 380 V.

When attaching the headstocks, pay attention to the reliability of the connection. In this case, their axes must coincide, since otherwise a rounded beam using such a machine will have a large error in size, and beating may occur during operation. Particular attention is paid to balancing the cutter - an unbalanced cutter leads to rapid wear of the entire rounding machine. The final stage is the actual installation of the cutter, which must be fastened very securely, and the presence of a safety element is provided.

Our life today is quite different from the life that our distant ancestors had to lead. Using the various opportunities of our time, we rarely think about what kind of work, at what price, we get much of what we so easily, joyfully and serenely use throughout all the days of our lives, without realizing that we are so We easily use the fruits of other people's labor. We are accustomed to the fact that in our lives there is everything that can make our life more comfortable and save us from any unnecessary, unpleasant problems and difficulties.

Adviсe

Task: I read advice that talks about mandatory insulation of a house from rounded cylinders, but insulation should only be done from the outside, but wooden houses they stand without insulation, i.e. outside, are they really freezing there?

Solution: When correct installation The walls of such houses are NOT insulated; their thickness and good caulking are quite enough. Wood is one of the best heat insulators, that is, it has a low thermal conductivity coefficient. Everything else is nonsense that will not be written. Russia has lived for centuries in wooden houses made of logs without any cladding and was heated by one Russian stove, which was heated twice a day, morning and evening, and no one froze. A wooden house in this case is much more efficient than a brick one, which does not insulate the latter. Brick is clay, and clay it is clay, only baked in a kiln.

Machines for the production of rounded logs.

In order to obtain an even building material in the form of a straight, even cylinder, of the same size, of a certain length from a whole log, it must be processed special equipment. The quality of this log at the output depends on the type of processing machine. A rounded log is usually completely milled clean and has the same size throughout its entire length.

There are two types of machines for making rounded logs, depending on the method of processing the workpiece. A broaching machine, also called a rotary machine, pulls a log through a special head, which rotates and cuts it. The big disadvantage of such processing is the need pre-treatment and the fact that the log retains its natural curvature, which, when installed or laid in a log house, will leave uneven gaps between the logs, which will affect the quality of the structure. Although the productivity of this machine is very high.
Centering or turning-milling machines for the production of rounded logs make it possible to achieve much best result processing the workpiece due to the fact that the rotating and cutting head moves along the log, which also rotates. They are less productive, but less energy intensive and provide more high quality processing. Thus, the OSM-500 machine removes up to 80 millimeters of chips in one pass, this takes about 5-8 minutes, and it processes up to 10 cubic meters of wood per shift. To increase productivity, the modified OSM2-500 machine processes two logs in a row at once with one carriage. Time is saved by simultaneous recharging and processing of two workpieces at once. Also, thanks to the extended frame, the machine can process logs up to 15 meters long. The productivity of the modified machine increases by 40-50%, with the same energy costs. The modern Woodver machine, in addition to roughing and finishing rounding, makes a selection of the mounting groove, and also carries out milling of the plane and the selection of crown cups.

Characteristics

Products made from rounded logs.

For a long time now, humanity has mastered the construction of housing from wooden log house. This technology has survived to this day, only now rounded wood is used instead of a wooden frame. Thanks to the mechanization of the log processing process, it is possible to round it to the most accurate dimensions. Unlike a wooden frame, which is done manually, it has a higher speed of production and installation, preserving the wonderful natural properties of wood.

Thanks to rounding, wooden houses are gaining popularity again. But wood is not only a material for the construction of various buildings; it makes an excellent material for decoration. Products made from rounded logs can be used for decoration both indoors and outside in the yard or garden. At first glance, it may not be clear how you can use logs to do anything other than buildings, especially decorative things. But using a little imagination, it becomes clear that even an ordinary rounded log, placed in the right place in the garden, is quite suitable for performing the function decorative pillar. It would seem that there is no point in such decoration, but thanks to the decoration with wood, comfort and originality are created.
Products made from rounded logs, made with a creative approach, can represent garden benches, flower beds, various decorative fences around fruit trees, gazebos, canopies over the pool, greenhouses and playgrounds. You can decorate a children's playground especially beautifully using rounded wood. With the help of imagination and skillful hands, you can build a sandbox, a swing, a car, a steam locomotive and even an airplane on the playground. Children will simply be delighted with the slide built from logs. And without decorative stumps, on which children love to jump, a playground would not be complete. These are the possibilities that modern rounded logs have; they are limitless; the main thing is to competently approach the implementation of the original idea from this material.

With your own hands

Drying rounded logs with your own hands.

Wood materials have always been in high demand, as they are ideal for repairs and construction. Natural wood has such advantages as environmental friendliness, strength and reliability, excellent sound insulation and thermal insulation properties, beautiful and aesthetic appearance. But in order for the wood to be suitable for performing certain work, it must be thoroughly dried.
Drying of rounded logs is usually carried out in special chambers. Drying under natural conditions does not provide the required level of moisture in the material, as a result of which it can become deformed and become covered with cracks in the first months of operation. Rounded chamber-drying logs are widely used today in construction, as they practically do not shrink, which is a maximum of 5-10 millimeters for each floor of the house. Therefore, you can move into the house immediately after construction is completed.
Drying a rounded log takes several weeks, during which time the wood acquires a moisture content in the range of 15 to 20%. Logs subjected to artificial drying have significantly fewer cracks than material that dried under natural conditions. The walls of a house built from well-dried logs can be painted using any type of paint and varnish material. Finishing is allowed immediately after completion of construction.
In order to obtain rounded chamber-drying logs, manufacturers use special chambers. Considering that the cost of such cameras is quite high, this is reflected in the cost of the material, the price of which is relatively high. But in the future, the costs of rounded logs dried in a special chamber will definitely pay off. After all, the service life and suitability of the building for people to live in it will depend on the quality of the entire house and its finishing. In addition, a house made of well-seasoned wood requires less maintenance, is more durable and is less susceptible to defects.

Prices / Order

Firms

The production enterprise "DIAKOM" was founded in 2006 and specializes in the manufacture of equipment for wooden house construction for small and medium-sized businesses and individual entrepreneurs Therefore, the main difference between our machines is their versatility, ease of maintenance and affordable price.

We create woodworking equipment so that you can make money from it! Our company's specialists will help you choose the most best option and the complete set of a line for rounding logs, producing profiled timber, or sawmill equipment, they can provide advice on organizing a business.

By ordering machines produced by DIAKOM, you receive equipment created taking into account your needs. All sawmills are already in basic configuration equipped with high quality circular saws with scoring knives from the leading European manufacturer Gass. The traverse movement units have a high-precision screw feed with bronze nuts. You also receive constant qualified support from our technical specialists.

All photos from the article

The construction of wooden housing in our great power has been developed since ancient times. First of all, this is caused by colossal reserves of this environmentally friendly and relatively inexpensive material. Despite the emergence of a lot of new construction technologies, classic log houses still remain popular. After all, the advantages of rounded logs are obvious, and they will be discussed further.

Why exactly a log?

First, let's find out what a rounded log is and why the vast majority of people prefer to build housing from it.

Important: speaking in the dry language of definitions, a rounded log is usually called a straight tree trunk, pre-processed on woodworking machines to give it the correct cylindrical shape.
As a result, the top uneven layer and knots are removed, and compensation and mounting grooves are applied.

Advantages of the material

• Wood itself has a natural porous structure, as a result of which it is one of the best heat and sound insulators.
• Having clear geometric dimensions, this material fits perfectly together. Specially designed grooves ensure high tightness and quality of inter-crown seams.
• All trunks have a clearly fixed diameter, the maximum deviation here can be no more than 2 mm. This makes it possible to select scaffolding for the construction of premises for various purposes with specified characteristics.
• At the moment, there is simply no building material that is more environmentally friendly and beneficial for people. Unlike wood, traditional brick or modern types of building materials can only boast of environmental neutrality.

• Although the price of rounded logs may be higher than that of many competitors, such houses do not require additional internal and external cladding. This material itself has natural beauty, as a result of which owners save significantly on finishing.
• Modern woodworking equipment makes it possible to initially produce trunks with ready-made connecting elements. This significantly speeds up the construction process and gives a lot of layout options.

• You may have already heard that natural wood breathes. This means the ability of the array to take excess moisture from the air and release it when conditions change. Simply put, wood is a natural air conditioner, providing an ideal microclimate for human life in the house.
• And finally, the construction instructions are quite accessible. A good owner, with a strong desire, can build a simple bathhouse, barn or small country house with his own hands.

What are the disadvantages

• As we have already said, wood is a living material, so over time the wood begins to dry out and crack. This is true, but thanks to modern technologies, such processes can be significantly slowed down.
• Many people know that during the process of growth, a tree trunk slightly twists in a spiral. After the cut, this spiral sometimes begins to unwind. This is why craftsmen do not recommend building from freshly cut timber; the structure may fail. But a dry rounded log does not have this drawback.
• Disadvantages such as high fire hazard and susceptibility to biological pests are easily eliminated using the same specialized impregnations.
• Perhaps the only significant drawback of any wooden structure is the high percentage of shrinkage of new houses. Well-dried, high-quality wood shrinks up to 100 mm for every 3 - 4 m of wall in the first year. And 10 - 20 mm each for another 2 - 3 years. Freshly cut timber will take up to 10 years to shrink.

What affects performance

To determine the basic parameters of the material, there is a set of regulations. In our country this is GOST 2708-75, in the west ISO 4480-83. There is no big difference between them, the main parameters are identical. It is on this data that a program such as a calculator for rounded logs of volume, weight, density and other characteristics is based.

Rounding machines are the main components of wood processing lines, which are applicable both in standard workshops and in the manufacture of similar products with your own hands. The main function of this machine is to remove the smooth top layer from each log using a cutter with a complex design and different types.

Currently, there are a huge number of similar products of various types and purposes on sale, among which it is not at all difficult to choose the equipment that is ideal for your case.

1 Galvanizing machine - equipment features

A machine for rounding logs is a mechanism in which the processing of logs is carried out through the contact of several special cutters with them. The latter are driven by a special motor (in some configurations there are two of them).

All logs are securely fixed by the system during feeding, making them easy and uniform to process.

Also, depending on the type of equipment, it may also have a rail track, the installation of which for the walk-through version requires a special concrete base for installation.

On sale various types of rounding machines are presented, including equipment of the Rus and Sherwood type, pass-through type, as well as modular type.

This equipment, like Sherwood or Rus devices, can be independent units or be part of a woodworking complex. They come in different capacities.

The average volume of logs that the Rus, Termit, and Sherwood machines can freely pass through is 240 mm, although some versions of such equipment can easily handle larger samples.

Rounding and milling machine Sherwood OF-28Ts

Rounding plants allow you to perform a range of types of material processing. In particular, it is used to directly round logs, prepare a longitudinal laying groove, a compensation cut, as well as specialized elements for fastening - side bowls.

This is suitable equipment for all types of material without exception, including popular beech, oak, birch, ash, pear, alder, pine and other types of wood.

1.1 Pros and cons of this processing technology

The advantages of this type of machines for processing logs include:

1. High speed of product processing.
2. Precision in many types of processing thanks to the variety of knife sharpening.
3. Absolute operator safety when working with such equipment.
4. Simplicity in settings, high level of automation of such devices.
5. High quality of material processing, regardless of the quality of the wood processed
6. Versatility - with this device you can make any workpiece from natural wood.
7. Low wood consumption, which is provided not only by the Rus and Sherwood samples, but also by a homemade rounding machine.

As for the disadvantages inherent in this type of device, among them it should be noted:

• large dimensions of the equipment, due to which those who like to process wood with their own hands cannot always install such structures in their own home;
• high prices for replacement parts, as well as the necessary processing of products before starting work, for example, sharpening knives.

1.2 Replacement parts for rounding machines

For simple processing of various types of logs on such machines without changing the quality of finishing of the material for such structures It is necessary to purchase the following types of components:

1. Replaceable cutters, especially non-standard types (when purchasing these components, special attention should be paid to the quality of sharpening knives for certain types of timber).
2. Additional electromechanical drives for some design types.
3. Replacement parts for processing bowls.
4. Parts for making compensation cuts.

Also, sometimes for this type of equipment, including Sherwood and Rus machines, you can buy special types of knife sharpening for individual logs, as well as some flexible replaceable elements. You can replace them yourself. The list of such for each device is individual.

2 Popular types of rounding machine

Currently, there are several popular types of such equipment used by professionals, as well as amateurs, to carry out construction, repair, and finishing work in the house with their own hands.

Among these models:

1. Rounding machine Altai. Thanks to its knife sharpening features, the equipment allows you to process logs with a diameter of up to 550 mm. Equipped with spherical and end-type cutters. The main advantages of this version when processing logs: the ability to select the optimal speed of the device throughput, as well as adjust the depth of penetration of the knives. Ideal for all types of production, like Sherwood, including the construction of small wooden houses.
2. Rounding machine Kedr. Another type of pass-through type equipment for industrial enterprises. Allows you to lay up to 7.5 meters of logs per processing. Suitable for all types of logs thanks to the unique type of sharpening of the cutter.
3. Rounding machine Taiga OS 1. The equipment, like Sherwood, is suitable for roughing and finishing types of wood processing. Allows you to work with samples with a maximum diameter of 240 mm. Like other examples of the walk-through type, it can be used for industrial purposes, including the construction of a house or bathhouse from timber. Depending on the type of knife sharpening, it can be used for various tasks.
4. Rounding machine Termit. Universal equipment of the pass-through type, like the Rus machine, suitable for processing various types of timber. Ideal for industrial enterprises, where they can receive up to 900 linear meters of finished timber per shift. The modern design of this equipment eliminates the possibility of the log turning during processing.

All types of this equipment are most suitable for industrial production of timber, however, if there are proper conditions for doing it yourself, they can be used at home.

The cost of such products, as well as the Rus or Sherwood models, depends on the equipment configuration, as well as the company selling this type of equipment. The best prices for it are from official dealers.

For those for whom such products are not suitable in terms of technical parameters, you can make a homemade rounding machine, created according to existing equipment sketches.

2.1 The process of rounding logs on a machine (video)