1 thin wood
Thin wood refers to the cutting of wood into thin wood chips between 0.3mm and 2mm for use on the surface of the table top, the bottom surface, and other accessories (living water, door pool plate...), etc., and can also be used as other boards. Materials such as laminated panels or plywood panels and core materials. Commonly used imported thin wood thickness is 0.6mm, which is the standard thickness used in Europe and the United States; domestic thin wood thickness is 0.6mm, 0.3mm, 0.25mm, 0.2mm, 0.15mm, etc., according to tree species, customer demand standards are different.
The thin thickness of the thin wood has a profound impact on the appearance of the finished product, the feeling of solid wood, and the length of life. The thickness of the thin wood has a solid wood feel, long life and no cracking; there is no problem that the offset printing appears and the bottom plate is black. The thinner wood is too thin to be the opposite.
2 thin wood storage
The thin wood is highly susceptible to moisture and has a surface cracking phenomenon. Therefore, the storage and processing environment of the thin wood needs to be controlled by temperature and humidity (MC=10~12%), and the mosaic has been arranged to avoid the phenomenon of separation and should be stored in the dark.
3 thin wood manufacturing
Thin wood can be divided into planing and rotary cutting according to different methods.
Sliced ​​thin wood: (can get complete color, wood grain and wood). Sliced ​​thin wood refers to the single-plate planer. The method of making the wood can be different. The general distinction is as follows:
Planed thin wood use: generally used in panels or made of laminated materials.
Rotary cut veneer: (maximum utilization; no complete color, wood grain and wood) Rotary cut veneer is made by rotating lathe, and the log is pressed against a sharp knife to cut the log into continuous thin wood. Rotary cut thin wood use: generally used for bottom surface board or made of splint.
3.1 Rotary Cut
The log is placed on the center axis of the rotary cutter and reversed against the razor-sharp blade, so the thin wood is like a roll of unwrapped paper. Since this cutting is along the annual rings of the logs, it can produce a variety of types of wood texture; the rotary cut thin wood is extremely wide.
3.2 Flat Slicing
The heartwood surface of the split half or special thick plate is placed flat on the pallet of the planer, and the cutting is performed parallel along the center line of the log; this cutting method can produce obvious texture.
3.3 Quarter Slicing (Quarter Slicing)
A quarter of the logs or slabs are mounted on the slab, and the cutting angle of the knives is approximately at right angles to the annual rings, resulting in a continuous strip of straight texture and some slightly mutated.
3.4 Rift-cut
Many oak-based tree species are cut with a slanted path. The oak's wooden line cells, like the wheel axles, radiate from the center of the log, like sawing texture or combing, to cut a quarter of the logs at an angle of about 15%, avoiding the texture of the wooden lines.
3.5 Half-round Slicing
Spin-cutting, half of the plank's slabs or logs are placed in the center of the reel, cutting slightly across the annual ring, visually showing the characteristics of rotary cutting and sliced ​​thin wood.
The wood grain pattern of the thin wood is the result of the natural characteristics of the material and the different cutting methods at the time of manufacture.
4 decorative thin wood preparation process
4.1 Thin wood flattening—The laminated thin wood (20mm) is heated to 110 degrees by a press, pressurized to 1Mpa, and the pressing time is maintained for 5-20min, which is called thin wood flattening, so as to smoothly enter the next process; moisture content 8% to 10%.
4.2 Thin Wood Cross-cutting—The stack of thin wood (50 mm) is cut to the desired length using a veneer transverse shear.
4.3 Thin wood slitting—Using a single-plate shearing machine, the single-side shearing and the bilateral shearing are used in two forms, and the stacked thin wood (20-80 mm) is bilaterally cut. The edge of the thin wood has straight edges, no cracks, burrs and other defects, ensuring tight seams of thin wood.
4.4 Thin wood splicing—Specified thin wood that will be cut into fine pieces, which are joined by special materials into sheets of thin wood of the required specifications. Common splicing methods are: tape splicing method, glue thread splicing method, glue splicing method, non-woven splicing method.
1 tape tape stitching method
After a certain size of thin wood is put together, the front side is joined with a tape by a tape, and the surface tape is removed by sanding. The disadvantage of this method is that sanding is time-consuming and labor-intensive, and the residual glue in the thin wood brown eye may cause discoloration of the thin wood, and the current method is rarely used.
2 glue line stitching method
The glass fiber of the hot melt adhesive is used as a bonding material; after being heated, it is pasted on both sides of the thin wood seam, and is distributed in a "work" shape, and the surface of the substrate is not closely exposed when the surface is covered. This method adopts a tooth-shaped glue line veneer splicing machine, which is often used for splicing thin thin wood with a thickness of 0.2-0.3 mm.
3 glue stitching method
The veneer is spliced ​​into sheets by using a single-plate splicing machine and an adhesive; the feature is that the splicing material is not exposed, and the joint strength of the seam is high, which makes up for the splicing method of the glue line and the like. The thin wood spliced ​​by the method is often used for profile coating and special-shaped Part surface, edge-sealing coil; for thin wood with a thickness of 0.4 to 3 mm.
4 non-woven stitching method
The back of the fine-grained specification veneer is made of PVAC-coated non-woven fabric, which is bonded into sheets; the characteristic is that the connection strength of the thin wood is increased; it is often used for surface decoration of parts with high curvature and splicing of ultra-thin thin wood.
5 thin wood double-ended reinforcement
The two ends of the spliced ​​thin wood can be reinforced with glue lines to prevent the edges from being damaged during use and avoid unnecessary damage caused by the damage of the thin wood.
6 thin wood patching
For defective products with seams, cracks, spots, wire drawing and other defects, they should be repaired in time. The commonly used methods are: injection molding method, embedded wood wire method, etc.
7 thin wood finger joint
The short and narrow thin wood strips are lengthened on the thin wood finger jointing machine, and can also be joined to a certain width and then lengthened. The long thin wood can be wound into a certain length of the coil material, and then the roller press is immersed in the PVAC. The non-woven fabric of the rubber is applied to the back surface of the rubber, and the thin wood coil material which has been combined with the strength is smoothed by a high-precision sander to achieve a certain degree of smoothness, and further, the edge-sealing coil, the edging coil, and the like are further divided. It is suitable for the needs of special-shaped edge sealing and special-shaped coating. This method is the mainstream trend of furniture industry application.
5 Application of decorative thin wood in the manufacture of American furniture
Flat-laid thin wood can be selected according to the needs of furniture design, and the thin wood with certain texture and color can be made into the decorative thin wood with the specified pattern by mechanical or hand-made, and then hot-pressed and glued, which is to cover the ordinary wood or artificial board under certain conditions. A method of facing the veneer. This method is extremely widely used, and the most important part is the combination of thin wood stitching patterns.
Common methods are: natural flat spelling and combination pattern spelling two methods.
Natural flat spelling is a pattern of natural thin wood cut and string cut texture flat. There are three kinds of spelling methods: diameter flat stitching, string string flat spelling, and string string flat spelling; the advantages are: texture natural transition and wood The flat plate has the same effect; it can be mechanized and easy to scale.
The combination pattern is a pattern that is made by using a certain size of thin wood strips according to the law. The wood with different shades can be used for contrasting and mosaic to create a strong three-dimensional decorative effect; the advantage is that the decorative effect is flexible and diverse, suitable for hand-stitching and Pressing, often used in various parts of traditional furniture, decorative effect is good.
6 Decorative thin wood combination pattern mosaic design and name
In short, in American furniture, the decorative thin wood mosaic design has become an indispensable and unique decorative design. It mimics nature, uses visual design techniques such as change and rhythm, symmetry and balance to create pleasing geometric patterns, combined with meticulously designed, soft and natural three-dimensional painting technology, which makes American furniture unique, simple, natural, fresh and nostalgic. Popular in the world.
About our hospital furniture:
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