Brown Ali, Author at Rec-Wood-Pallet2DVa https://www.woodpalletrecyclingdcmdva.com/author/ali-brown/ Blog about woodworking Fri, 08 Sep 2023 12:03:40 +0000 en-US hourly 1 https://wordpress.org/?v=6.1.1 https://www.woodpalletrecyclingdcmdva.com/wp-content/uploads/2023/03/cropped-logs-g3493fffe5_640-32x32.png Brown Ali, Author at Rec-Wood-Pallet2DVa https://www.woodpalletrecyclingdcmdva.com/author/ali-brown/ 32 32 The Fine Art of Joinery: Mastering Woodworking Joints and Techniques https://www.woodpalletrecyclingdcmdva.com/the-fine-art-of-joinery-mastering-woodworking-joints-and-techniques/ Fri, 08 Sep 2023 12:03:38 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=105 Welcome to the captivating world of woodworking, where creativity meets craftsmanship, and where the fine art of joinery is the cornerstone of every masterpiece. In this article, we embark on […]

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Welcome to the captivating world of woodworking, where creativity meets craftsmanship, and where the fine art of joinery is the cornerstone of every masterpiece. In this article, we embark on a journey through time and tradition, exploring the historical significance of joinery techniques that have endured for centuries. We’ll unveil the exquisite aesthetic beauty that arises from the meticulous execution of these joints, with a special spotlight on the timeless elegance of dovetails.

As we delve deeper, we’ll uncover a world of diverse techniques, from ancient classics like the mortise and tenon to modern innovations such as pocket screws and dowels, providing you with a comprehensive palette to elevate your woodworking projects. Join us as we explore the cultural dimensions of joinery, from the precision of Japanese craftsmanship to the enduring legacy of global traditions. Whether you’re an experienced woodworker or a novice enthusiast, this article promises to ignite your passion for woodworking and inspire you to master the fine art of joinery—a skill that not only connects wood but bridges the gap between function and the sheer beauty of artistic expression.

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Woodworking is a craft that melds both the creative and the technical. At its core are the fundamental elements that hold everything together—woodworking joints. The art of joinery is an integral part of woodworking, allowing craftsmen to create not just functional pieces but true works of art. In this article, we delve into the world of woodworking joints and techniques, exploring how these connections shape the very essence of the craft.

The Essence of Joinery

Joinery, in the realm of woodworking, refers to the methods used to connect pieces of wood together. These connections serve not only structural purposes but also contribute to the aesthetics and overall design of a piece. The art of joinery lies in crafting seamless, durable, and visually appealing connections.

Mortise and Tenon: The Cornerstone of Joinery

One of the most revered and versatile woodworking joints is the mortise and tenon joint. This classic technique involves creating a rectangular slot (the mortise) in one piece of wood and a projecting tongue (the tenon) on another. The tenon fits snugly into the mortise, forming a secure bond. This joint can be found in everything from traditional furniture to timber-framed houses, attesting to its enduring strength and timeless elegance.

Dovetails: Precision and Craftsmanship

When it comes to aesthetics and precision, dovetail joints reign supreme. Often used in drawer construction, dovetails are known for their distinctive, interlocking, and wedge-shaped fingers that create a striking visual effect. These joints require precision and patience but result in unmatched strength and durability. Dovetails are the hallmark of fine craftsmanship, making them a favorite among woodworking enthusiasts.

The Strength of the Finger Joint

Finger joints, also known as box joints, are renowned for their strength and suitability for box and drawer construction. They consist of interlocking rectangular projections, resembling interlocking fingers, hence the name. When executed correctly, finger joints provide exceptional glue surface area, ensuring a robust connection that can withstand the test of time.

The Art of Japanese Joinery

Japanese woodworking is famous for its exquisite joinery techniques, which often do away with nails or screws. The art of Japanese joinery is a testament to the precision and skill of Japanese craftsmen. Techniques like the intricate “dovetail” joint known as “kumiko” and the “shachi” bird’s beak joint exemplify the elegance and sophistication of Japanese woodworking.

Modern Innovations: Pocket Screws and Dowels

While traditional joinery methods continue to be celebrated, modern woodworking often incorporates innovations for efficiency and convenience. Pocket screws and dowels are two such examples. Pocket screws involve drilling an angled hole and using specialized screws to secure wood pieces together. Dowels are cylindrical rods inserted into corresponding holes in the wood pieces, providing strength and alignment. These methods are popular for quick and reliable connections in contemporary woodworking projects.

Complex Joinery: Adding Complexity to Design

Complex joinery, such as compound miter joints and double mortise and tenon joints, allows craftsmen to push the boundaries of design and functionality. These joints require meticulous planning and execution but offer unparalleled versatility and structural integrity. Craftsmen use them to create intricate angles, curves, and connections that elevate woodworking projects to a new level of sophistication.

The Art of Joinery in Woodworking Education

Learning the art of joinery is a rite of passage for many aspiring woodworkers. Woodworking schools and workshops often emphasize the importance of mastering various joint techniques as a foundational skill. These skills not only serve as building blocks for future projects but also instill a deep appreciation for the craftsmanship and attention to detail that define the world of woodworking.

From Craft to Art: Joinery’s Role in Woodworking

In the world of woodworking, joinery is more than just a means to an end; it is an art form in itself. The choice of joints and the precision with which they are executed can transform a simple piece of wood into a masterpiece. Joinery represents the fusion of technical skill and artistic expression, where craftsmanship meets creativity.

Conclusion

The art of joinery is at the heart of woodworking, bridging the gap between function and aesthetics. Whether you’re a novice woodworker or a seasoned craftsman, mastering woodworking joints and techniques is a lifelong journey of discovery and refinement. Each joint, from the humble butt joint to the exquisite dovetail, offers a world of possibilities and challenges waiting to be explored. As you delve deeper into the world of woodworking, you’ll find that the fine art of joinery is not just about connecting wood; it’s about creating enduring works of art that stand as a testament to skill, dedication, and passion for the craft.

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Features of woodworking production functioning https://www.woodpalletrecyclingdcmdva.com/features-of-woodworking-production-functioning/ Fri, 13 Jan 2023 18:16:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=52 Despite significant achievements in the field of engineering, technology, organization and management of production, the logging and woodworking industry still lags behind the advanced industries in terms of its technical level

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Despite significant achievements in the field of engineering, technology, organization and management of production, the logging and woodworking industry still lags behind the advanced industries in terms of its technical level, organization and efficiency. These circumstances pose a number of complex and important challenges for specialists in the design and calculation of new production systems, organization of their operation, and mastering the skills to manage them, taking into account the specific features of woodworking production.

Almost all branches of the logging and woodworking industries are discrete production types by their characteristics. There are many products of the same type. The main defining parameters of the manufactured products are discrete in nature. General-purpose processing equipment is widely used. A characteristic feature of such discrete production is, first and foremost, the complexity of analyzing its performance indicators. In addition, such production is difficult to organize and manage.

The specialization of production, which is typical for modern woodworking enterprises, makes it possible to use technological processes of mass and batch production on a large scale. The main technical and economic characteristics of technological processes of mass and batch production are productivity, economic efficiency, and reliability. Since increasing productivity and economic efficiency is one of the main tasks of designing new and modernizing old technological processes and production systems, the proposed engineering and economic solutions should be aimed at fulfilling these urgent tasks. Accordingly, and for the sake of the interests of the entire society, the woodworking industry faces the following large and important tasks

  • Increasing labor productivity and economic efficiency of production by increasing the level of automation, rationalizing equipment and technological processes, and introducing new forms of production organization and management;
  • optimization of technological processes to achieve the highest efficiency;
  • introduction of flexible automated production based on the use of robotic devices and computers;
  • optimization of organization and management at different levels of production on the basis of modern economic and mathematical methods and computer tools.

The peculiarity of these tasks is the need for accelerated development of the fundamental branch of science for woodworking – technology, economics and management based on technical cybernetics, computer technology, and extensive mathematization of applied knowledge.

Every woodworking process requires a certain amount of time, energy, raw materials and other components necessary for the process to go smoothly. To ensure that the process is carried out in a targeted, technology-driven manner, relevant information is also required. As a result of the interaction of material, energy and information components of the technological process within the framework of the overall technological scheme, the final product is obtained at the output of the process, which has certain information characteristics about its properties.

In the real conditions of woodworking production, it is impossible to localize the above-mentioned components of the technological process – material, energy and information – in space. Raw materials, for example, are used in the technological process as the basis of the material component. But the same raw material also carries information about its properties, certain process requirements, and the characteristics of future products. Similarly, the control system can perform joint functions with the energy conversion system.

In the analyzed structure, information is the most meaningful and, at the same time, the most flexible component of the technological process. It includes all the initial information (about raw materials, modes, required parameters and characteristics of the final product), working or operational information (about the current values of controlled and managed parameters) and control information, which is used to keep the process in a given mode.

The most conservative and practically uncontrollable in terms of targeted changes in properties is the material component. Therefore, all management in the structure of information should be aimed at the fullest use of the available material component within the framework of a given technology. However, highly efficient organization and management are possible only if the physical, mechanical, thermal, chemical and technological foundations of work processes are comprehensively studied.

A characteristic feature of wood processing processes is that the object of processing itself belongs to biological objects that have their own history of development.

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Furniture board or carpentry board? https://www.woodpalletrecyclingdcmdva.com/furniture-board-or-carpentry-board/ Fri, 02 Dec 2022 18:47:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=55 The lack of unified terminology on the market of solid wood board materials for furniture production can mislead not only the buyer, but also the woodworking specialist

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The lack of unified terminology on the market of solid wood board materials for furniture production can mislead not only the buyer, but also the woodworking specialist. To reduce the cost of production, under the guise of joinery boards consumers are often offered other products that do not provide the same performance properties.

The purpose of the process of gluing wood materials is not only to increase their linear dimensions, but also to ensure the form stability of finished structures during operation.

Gluing lamellas of solid wood along the edges with their subsequent facing allows to create wide panels, which are used in the furniture industry and have a number of advantages as compared to chipboard and fiberboard panels. Properly made, laminated solid laminated wood materials are less susceptible to moisture exposure and less prone to warping than other wood materials. Let us find out together what compulsory elements a joinery panel must be made of, and how the producers guarantee its form stability and resistance to external influences.

Classic joinery board is a standardised wood-based material consisting of three layers. The middle layer consists of parallel, glued or unglued bars. On the front and back sides the lamellas are lined with one or two layers of veneer or glued plywood, observing the perpendicular direction of wood fibres in the adjacent layers. Gluing several layers by thickness does not increase the thickness of the product, but creates a composite material of increased form stability.

For making the inner layers of joinery boards boards boards, bars or lamellas are used – planed lumber or parts designed to be glued into a multilayer glued element. The width of lamellas should be no more than 40 mm for boards of standard precision, and 20 mm for boards of increased precision. The smaller the linear dimensions of the boards, the less influence of anisotropy on their performance properties, which ensures dimensional and shape constancy during operation. When used in layers of lamellas, glued along the length on a toothed spike, the form stability of the boards and, accordingly, the finished products is further increased.

Three-layer construction of the panel prevents warping, since the stresses in the wood arising from shrinkage and swelling are restrained by the adjacent glued layers.

Furniture boards are produced in thicknesses of 16 to 30 mm, widths of 1220 to 1525 mm and lengths of 1525 to 2500 mm.

A single-layer furniture board made of lamellas glued together at the edges on a smooth joint is not a joinery board, as there is no cross-gluing of the layers. During use, its shape is capable of changing, which can even lead to the destruction of glue joints. The nature of warping can be different and depends on the direction of the fibers in adjacent lamellae. Even the use of radial lamellas alone cannot completely prevent the warpage of such structures.

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Turning equipment https://www.woodpalletrecyclingdcmdva.com/turning-equipment/ Fri, 25 Nov 2022 18:11:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=49 Shaping a workpiece into a cylinder, cone, or shaped form is the main purpose of a wood lathe. Additional mechanisms can be attached to it

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Shaping a workpiece into a cylinder, cone, or shaped form is the main purpose of a wood lathe. Additional mechanisms can be attached to it, and then the turning unit drills round holes, cuts threads (internal and external), gives the part a complex round profile, applies corrugations, trims and rounds the ends, and grinds. The most functional models have the option of installing a copying device, which results in the required number of identical parts with the exact size. This is practical because it does not require constant adjustment of equipment parameters.

In furniture manufacturing, such machines are a major necessity, as they are able to produce decor, complex parts of various wooden structures. They are also used in carpentry shops, manufacturing, and industrial woodworking.

The structure of the lathe is adapted to perform various tasks. All its working elements are located on a powerful platform. The turning mechanism includes a spindle and two headstocks, one front and one rear. The rear one only fixes the workpiece, while the front one rotates with the workpiece. The workpiece is shaped by a turning cutter, which moves with the help of a movable sled. The cutter is a consumable, but at the same time it is the main element of the lathe. For each new task, you can install a different type and shape of cutter and get a completely different product.

The spindle speed is necessarily adjustable, which makes it possible to turn parts of different shapes and process wood of different hardnesses. The adjustment is usually stepwise, allowing you to select up to five speeds. Household models are equipped with electronic adjustment.

There are wood and metal lathes. They are similar in structure, but in a metal lathe, the workpiece is fed automatically, and in a wood lathe, the feed is manual. The cutting element is brought to the workpiece manually.

Types of lathes:

Desktop (attached to a workbench, table, window sill) – mobile and compact in size. It weighs up to 20 kilograms and is suitable for small parts.
Small-scale – this unit is 5 times heavier in weight, so it is installed permanently. Power reaches up to half a kilowatt. It is used in the mass production of elements for furniture and decorative products.
Production – its drive power is above 1 kilowatt, it is powerful and very heavy. Three-phase voltage is required. The functions of such equipment are usually extended – it is possible to install various cutters, additional devices, and a copier. This is an industrial unit not for home use.

When choosing a machine for home or production work, we focus on the following performance indicators:

Electric drive power;
Spindle speed and the ability to adjust it;
Distance between the headstocks;
The maximum acceptable diameter of the turning.

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Wood machining on a cnc milling machine https://www.woodpalletrecyclingdcmdva.com/wood-machining-on-a-cnc-milling-machine/ Fri, 21 Oct 2022 18:05:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=43 Creating stunning wood carvings has never been easier than with a CNC router. Think of all the creative possibilities for milling

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Creating stunning wood carvings has never been easier than with a CNC router. Think of all the creative possibilities for milling: door panels, drawer lids, fascia boards, emblems, awards, artwork, signs, or your signature carved into the back of a project. The more you use your CNC router, the more projects you will find for it.

Not only does a CNC router add interest and beauty to your work, but just watching the machine dance around the workpiece, methodically and accurately creating beautiful carvings is a pleasure. A CNC milling machine can also be a tireless helper in the hand-carving workshop.

THREE ELEMENTS.

  1. There are many images on the Internet, especially on CNC sites.
    So how do you begin carving wood on a CNC machine? There are three basic elements to consider: the artwork, the type of work, and the carving process. First, we need a digital image. You can create your own or find one online. You need specialized software to create a three-dimensional image suitable for carving. Vectric Aspire, Rhino and 3D Systems Geomagic Freeform are some of the many examples of software that can create 3D models suitable for carving on a CNC machine.

Creating files for milling requires CAM software that can handle 3D digital images. Once you have found a 3D image file and loaded it into your CAM software, the model can be scaled: enlarged or reduced, made deeper or shallower, narrowed or expanded, made taller or shorter to suit your requirements.

  1. Roughly milled workpiece on a CNC machine, ready for manual machining.
    Carving on a CNC milling machine is usually done in high relief style. The carved area can be located below the surrounding surface as a pocket or recess, or it can be carved so that it rises above the surrounding surface. Another option is to create a carving that is cut from the source material and can then be attached to panels, architectural elements, etc.

The third step is to set parameters and create instructions for the CNC milling machine.
Milling a three-dimensional pattern is usually done in two steps. The first is rough cutting, which removes the bulk of the material, leaving a recognizable, low-resolution image. A straight spiral drill is suitable for this operation because it cuts and removes chips efficiently.

The second step is finishing, for which a cutter with a spherical end is used, as it is capable of making smooth, precise cuts. Depending on the size and level of detail of the threads, combinations of 1/4″ roughing and 1/4″ finish drill with spherical end, 1/4″ roughing and 1/8″ finish drill with spherical end, or 1/4″ roughing and 1/16″ finish drill with tapered spherical end are commonly used. For smaller jobs, a 1/8″ roughing drill bit might work, and a 1/32″ drill bit with a spherical end might work for finishing.

There’s more to it than just choosing a combination of cutters. The difference between excellent and average milling comes down to pitch and lateral speed parameters when setting up files for milling. Pitch is the distance between tool passes during the operation. The larger the pitch, the faster the cutting process, but less detail. A smaller step means longer process time, but higher detail. Generally, the roughing speed can be controlled with a maximum step and a side speed. Finishing cutting, however, requires some care to find the right balance between detail and production time. One last tip: when you go from rough cut to finish cut, don’t forget to zero the z-axis height!

  1. Going from roughing threads on a CNC machine to final, hand-carved threads makes each piece unique.

Time to confess: I’m a wood carver at heart and prefer hand tools, but I’ve found that a CNC router and band saw can be great helpers in preparing materials. Let’s say you need to cut a dozen top covers for wrapping Christmas presents. You can program the CNC milling machine to make only a rough design. After that, you will need to bring the carving to life in a way that the machine can’t, with crisp detailing and hand texturing.

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Can I plan mdf? https://www.woodpalletrecyclingdcmdva.com/can-i-plan-mdf/ Sun, 14 Aug 2022 18:00:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=40 MDF is a medium-density fiberboard widely used in the production of furniture, doors and door mouldings, in interior decoration, as well as in construction.

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MDF is a medium-density fiberboard widely used in the production of furniture, doors and door mouldings, in interior decoration, as well as in construction. But is it possible to plan MDF, and what factors should be taken into consideration?

The simple and short answer is yes, MDF can be planed. However, the hard fiber structure of MDF can prevent a planer from smoothly removing chips from the surface, which can cause the fibers to break and tear, damaging the surface. It can also affect tool life by dulling the blade.

This article provides a detailed guide to planing MDF with a discussion of factors to consider when planing, as well as some alternatives to planing MDF.

DIFFICULTIES IN PLANING MDF
MDF can certainly be planed, but planing MDF can be more difficult than planing plywood or other materials. This is due to its dense, fibrous structure and the presence of a resin-based binder, which makes it difficult to remove the material from the surface. The high glue content and firmly bonded wood fibers make it difficult to plan MDF, damaging and blunting the planing knives over time.

Therefore, the use of unsuitable tools or improper planing can damage the surface of the MDF board, making it unusable. In addition, the resin in MDF contains urea-formaldehyde, which is a toxic substance, and the dust produced by planing MDF can cause skin, eye and respiratory tract irritation.

WHAT DO I HAVE TO CONSIDER WHEN PLANING MDF?
A COMPARISON BETWEEN PLANING WITH A PLANER AND A HAND PLANER

Manual planing involves using a hand planer, which is cheaper than a planer, but takes more effort and time.

While a planer can provide the ability to plan the MDF surface quickly, a hand planer allows you to feel the feedback from the surface being planed and adjust the planing force accordingly.

As a result, the hand planer minimizes the risk of damaging the MDF workpiece during planing.

If, in your case, you need to plan a large surface to reduce the thickness of the MDF sheet, we recommend using a planer.

However, when planing MDF, regardless of the type of equipment used, maintain a shallow depth of cut to avoid tearing the fibers and damaging the workpiece.

BLADE REQUIREMENTS WHEN PLANING MDF
When planing MDF, always use a sharp blade to prevent damage to the surface.

Depending on your requirements, use the proper blade angle that determines the depth of cut. Use a greater blade angle for deeper cuts and vice versa.

Make sure that the depth of cut is not too deep, as this can damage the inner layers of the MDF and dull the tool blades.

WORKPIECE CLAMPING
Always ensure that the MDF workpiece is properly clamped to the work table.

Properly securing the workpiece ensures minimal vibration during planing, preventing damage to the workpiece and possible injury.

CONSEQUENCES OF PLANING MDF
Planing exposes pores and voids in the layers of the MDF workpiece, so always use a primer to cover these holes before painting the surface.

A minimum of two coats of paint are required after planing the MDF, as the first coat soaks into the surface and the second adheres to it, ensuring an even coating.

In general, MDF has a certain amount of water resistance and can withstand a little water exposure without significant damage.

However, planing the MDF exposes its pores, and any exposure to water will cause moisture to seep through these pores, damaging the MDF workpiece.

A planer is usually preferred for planing the edges or sides of the MDF workpiece, but if your case requires planing the face of a large MDF sheet, another tool is recommended.

To reduce the thickness of a large sheet, it is usually advisable to use a cutting or sanding tool to remove the necessary amount of material, followed by machining to improve the surface quality.

ALTERNATIVES TO PLANING MDF
Generally, it is not necessary to plan the face of MDF to reduce its thickness. However, if the need arises, there are several alternative methods that can be used to remove the necessary amount of material and then finish the surface as desired.

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History of woodworking https://www.woodpalletrecyclingdcmdva.com/history-of-woodworking/ Sun, 05 Jun 2022 18:08:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=46 The first tools for woodworking appeared a long time ago. Already cavemen several thousand years ago possessed the primary skills of woodworking.

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The first tools for woodworking appeared a long time ago. Already cavemen several thousand years ago possessed the primary skills of woodworking. They built wooden houses, assembled furniture, tools, utensils and shoes from wood. Over time, from a simple craft woodworking turned into an art, allowing the creation of such masterpieces of architecture, as wooden buildings in Kizhi, Yaroslavl, Vologda. For many years, woodworking was done only with hand tools. But progress has changed everything, and over time woodworking enterprises were almost completely automated and mechanized, there appeared specialized woodworking machines; increasing the volume of production and significantly improving the quality of products.

Woodworking is a fairly complex process, associated with the transformation of color, size and configuration of wooden parts of different types of wood. The amount of equipment used to process this material is really great. Woodworking exhibitions offer and demonstrate a variety of equipment and materials for woodworking and production of rounded logs, furniture, house building from wood and other branches of woodworking, including tools and lines for solid wood processing, special equipment for furniture production and house building, machines for format and profile finishing and sanding, production of plywood, chipboard, fiberboard, MDF, etc.

Wood processing equipment also includes specialized laminating lines, board laying and transporting equipment, edge banding tools, various bonding presses, machining centers. Sawing equipment, sawing tools and mobile sawmills stand out in the woodworking industry. These also include sawing machines, band and circular saws, and various drying equipment.

Combined woodworking machines are very popular and in demand today, allowing to perform several different tasks with one tool.

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Heat treatment of wood – camera technology and advantages https://www.woodpalletrecyclingdcmdva.com/heat-treatment-of-wood/ Fri, 11 Feb 2022 15:45:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=33 Wood is a popular building and finishing material. No synthetic substitute can compete with its useful and unique properties.

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Wood is a popular building and finishing material. No synthetic substitute can compete with its useful and unique properties. Natural wood has an optimal balance of moisture and heat, it oxygenates the air, creates a unique microclimate and smells great.

To prolong the life of the wood a method has been developed to increase the resistance of lumber, beams, planks and other wood products to the external environment. The most effective way to preserve wood today is heat treatment.

Read more about the technology
The Finns are considered to be the pioneers of heat treatment of wood. They discovered a consistent pattern: birch, aspen, spruce and pine become less susceptible to external influences after being exposed to heat.

According to their research, the material must go through several stages during heat treatment:

  • Drying at 130 – 150 °C in thermal chambers – the moisture content of the fibers drops to zero.
  • Heat treatment – The wood hardens by increasing temperature (200-240 °C) and pressure, using water vapor. At this stage the timber acquires the color of a valuable species of wood;
  • Cooling – The temperature is lowered by a water spray system to 80-90°C, and the wood moistens to a moisture level of 4-6%.

What happens to the material?
During the manufacturing process, the structure of the material changes at a molecular level. Fibers and bonds are split under temperature and pressure. The result is a surface that is moisture-resistant, resistant to warping, rotting, parasite infestation, and less porous.
Thermally treated lumber can withstand serious temperature changes, humidity spikes, and will no longer deform under heavy rains, even without additional protective coatings. Treated lumber does not rot, mold or insects do not grow in it, which means that it can last at least 20 times longer than conventional wood.

The new aesthetic characteristics of the material deserve special attention. In the process of thermo-hardening it changes color – it gets a shade peculiar only to the expensive varieties. So from the simplest material can turn out more valuable in appearance, for example, similar to larch.

Thermal processing depending on the temperature regime is divided into several classes:

1st – treatment of materials with low values and a light degree of tinting at temperatures up to 190 °C;
2nd – material is tinted to a darker color and acquires strength during drying at 200 °C;
3-rd – processing at 240 °C allows to get high quality and resistant to external factors lumber, hard and solid with the even dark shade with the noble texture.

Advantages of the material after heat treatment

  • Resistant to temperature fluctuations.
  • Categorizes as “eco”.
  • The smell of real wood without extraneous impurities.
  • A low drying rate.
  • High quality of the surface.
  • Uniform color shade across the entire cross section of the material.

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Log sawing machines: circular saws or band saws? https://www.woodpalletrecyclingdcmdva.com/log-sawing-machines/ Sat, 07 Aug 2021 15:35:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=30 Circular saws are the most popular and technologically advanced sawmill equipment. They are used for sawing logs, logs, boards and slabs. In sawmill industry they are used for longitudinal and cross cutting.

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Circular saws are the most popular and technologically advanced sawmill equipment. They are used for sawing logs, logs, boards and slabs. In sawmill industry they are used for longitudinal and cross cutting. In woodworking, they are used for sawing at an angle in the direction of the wood fibers.

The circular saw equipment is structurally simple. All inertial forces are balanced. High cutting speeds and feed rates ensure quality surface finishes.

Circular saw machines consist of a saw part with a feed mechanism. On a metal frame the saw and feed mechanisms are mounted. The equipment has a rail track with driving drums and blocks to move the cart by means of a steel cable. For quick securing of a log and its lateral feed the cart is equipped with special devices.

All circular saws are divided into two types:

  • For sawing medium and large wood;
  • For sawing small-sized timber.

The equipment of the first type is also capable of sawing thin-diameter logs. Generally speaking, circular saws for sawing medium and large-sized woods are equipped:

  • One large-diameter saw with which logs up to 60-70 cm in diameter can be sawed;
  • Two saws set in one vertical plane one above the other, thanks to which it is possible to saw 90-100 cm logs.
  • The saws have a diameter of 1000-1650 mm.

Log feeding scheme in the circular saw machine is identical to that in the band saw machine. Although circular sawing machines are much simpler than band sawing machines in terms of construction, equipment and saw care. However, circular saws give a fairly large kerf, due to the fact that a stable saw position is achieved with a sufficient saw thickness, which is 4-6 mm. In addition to circular and band saws, saws with inserted teeth that make an even larger kerf are used. Common large-diameter saws, for example, have a kerf of 6.4 – 7.2 mm and claw-insert saws have a kerf of 6 – 9.6 mm. Therefore it is more reasonable to use such machines according to the scheme: obtaining thick bars on circular saws – cutting of bars into boards on dividing machines with small kerf, band-saw or sawing frames. With such a scheme, the yield rate of boards increases considerably.

The main difference between a circular sawmill and a band sawmill is the presence of a circular sawmill disc saw. According to the scheme of the device and work these machines are similar. The log is also fixed on the cart and is sawn in the same way as a band saw. The circular saw is generally easier to maintain than the band saw because of the slower feed speeds.

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Why wood planing is needed https://www.woodpalletrecyclingdcmdva.com/why-wood-planing-is-needed/ Wed, 14 Jul 2021 15:27:00 +0000 https://www.woodpalletrecyclingdcmdva.com/?p=25 Wood planing is a surface leveling technique, a necessary processing step. It consists in removing a layer of material to remove large irregularities, roughnesses and other defects that appeared during sawing.

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Wood planing is a surface leveling technique, a necessary processing step. It consists in removing a layer of material to remove large irregularities, roughnesses and other defects that appeared during sawing.

Planing is straight and profiled. In the first case, flat surfaces are processed, in the second – curved details. When large volumes of work are involved, high-precision machines are used in production that can process lumber of different sizes in a matter of minutes. Machines allow high precision, down to the millimeter. The surface of the products is very smooth and does not need to be sanded.

The sphere of application of planed lumber:

  • Furniture manufacturing;
  • Interior and exterior cladding;
  • For flooring;
  • For the manufacture of stairs;
  • Building houses and other objects;
  • Construction of fences.

Before planing, the wood must be prepared. Logs are sawn into boards, bars of different lengths and thicknesses, and the edges are trimmed. Depending on the purpose of the lumber for planing, several types of machines are used: planer, planer and combined. A four-sided planer is used to process the lumber on all sides at once. It is used to process surfaces and make shaped profiles.

High-precision planing is needed to produce smooth surfaces for joinery. For example, table tops, window sills, staircases.

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