There is a growing consensus in the current mahogany furniture market: the real mahogany furniture is chromatic. Indeed, mahogany furniture is difficult to achieve without chromatic aberration, as long as the color difference control is within acceptable limits.
But what is the cause of the chromatic aberration is reasonable, and what causes the chromatic aberration is unreasonable?
The rationality of the color difference in mahogany furniture is where the so-called "rationality" refers to the uncontrollable reason that the chromatic aberration cannot be changed by subsequent technical control.
Reasonable cause of chromatic aberration
The so-called color difference, in simple terms, refers to the difference in color. For mahogany furniture, the reasonable reason for the difference in color is mainly caused by the nature of the wood itself and the method of wood cutting and environmental factors.
The leaves on a tree will not have the same, let alone two different trees. Even with the same tree, the color near the center of the tree and the root of the tree will be darker, and the color near the treetop and bark will be lighter. What's more, each tree, different ages, and different textures can also cause chromatic aberration, which is a natural attribute of wood.
Color difference between treetops and tree roots
We all know that the color of different parts of the tree is different. The root of the tree acts as the main part of the tree to absorb nutrients. The pigmentation is more, so the color is deeper, while the tree tops with higher height are less pigmented and the natural color is lighter.
As shown in the figure above: the thicker part, close to the root of the tree, the darker color, the thinner part, close to the treetop, the lighter color, and the thickness of the thickness in the middle is between the two.
Color difference between sapwood and heartwood
The sapwood refers to the part close to the bark, which has the function of transporting and storing nutrients. It is characterized by lighter color, more moisture, easy mites and decay, and is a poor material in the logs.
The heartwood is the central part of the tree that does not contain living cells, and its storage material (such as starch) is no longer present or converted into heartwood material. It usually has a dark color, no function of transporting sap and storing nutrients, and mainly supports the whole plant.
Color difference caused by different log processing methods
The processing method of the logs is different, and the surface texture obtained is different. Usually, after cutting, three types of cut surfaces, that is, a cut surface, a cross cut surface, and a chord cut surface can be obtained.
The cross section refers to the section perpendicular to the main axis of the trunk, that is, the end surface of the trunk, which can be used to observe the cross section of various axial molecules and the width of the wood ray. It is the most important section for identifying wood.
The radial section refers to the longitudinal section perpendicular to the annual direction of the trunk through the medulla. Seen on the cross-section, the longitudinal section of the parallel wood ray is called the diameter section, and the wood ray on this section is in the shape of an intermittent strip perpendicular to the annual ring.
The chord cut surface is a cut surface that follows the wood texture and does not pass through the marrow, but is tangent to the annual ring. The wood ray of this cut surface is thin or spindle-shaped, and the V-rings form a pattern. In the production process, the angle between the plate and the trunk concentric tangential line between 45-90 degrees is called the diameter cutting board, and the angle between 0-45 degrees is called the string cutting board.
It can be seen that the two pieces of different wood grain caused by the different opening methods are put together, and the color difference is inevitable visually.
Visual color difference caused by different environmental factors
Generally, the color of mahogany furniture near the window is obviously brighter than the color of the cabinet door in the dark position. This is mainly caused by the influence of sunlight, and the color of the visual mahogany furniture is a reasonable color difference.
Wood is a porous material. Different parts of the material are different in density. The degree of light absorption in different parts is different. Therefore, sometimes the colors on both sides of the same door will appear dark and different textures. The slight color difference is not a quality problem.
Unreasonable cause of chromatic aberration
Although the color difference of mahogany furniture can not be avoided, but the reasonable color difference can be controlled by the subsequent process, then the unreasonable color difference is of course a problem in the manufacturing process of solid wood furniture.
The following small series lists several color differences caused by unreasonable processes. These factors are controllable and can be avoided.
Irregular caused by mahogany puzzle
The mahogany rubber is mainly used for mahogany parts with large-format, large-section or curved shapes, and the dimensional stability of the parts is increased after being glued.
The puzzle is a technically and experienced process, and there are many factors that affect the quality of the puzzle. In terms of color difference, you should choose materials with the same material, material color and texture when you are assembling. If you place a square with a large difference in color, it is difficult to eliminate the chromatic aberration by the paint process unless it is a non-transparent coated furniture.
Unreasonable paint process
For non-transparently painted mahogany furniture, since there is no chromatic aberration problem, it will not be described here. For translucent and fully transparent furniture, a reasonable finishing process can truly eliminate unreasonable chromatic aberrations.
For example, the finishing process of furniture, after the surface treatment of the substrate, the first thing to do is surface bleaching and material repair. Bleaching eliminates significant chromatic aberrations, while material retouching is to unify colors and further reduce chromatic aberration. Secondly, it needs bottom color correction and color treatment. Each step is to make the overall color of the furniture tend to be consistent. If there is a problem in one of the links, or if the implementation is not in place, it will affect the color difference of the finished product.
Color difference caused by unreasonable installation
Because the mahogany furniture itself has color difference, if the installation master does not observe and compare the furniture color during the installation process, put similar or similar colors together, or install the cabinet door with the large color difference of the furniture to the concealed position, it is easy to cause the mahogany furniture color difference. Big feeling.
Therefore, the reasonable assembly and matching of mahogany furniture can make the final finished product not have the color difference of too "dark eyes".
Xiao Bian feels that red furniture, especially furniture with wood texture, is reasonable and necessary. It is an indirect expression of the natural properties of wood. The color difference itself is a kind of beauty. However, if there is a degree, "being over" will lose its beauty and even disgust. The color difference of mahogany furniture is also the same. Unreasonable color difference caused by process defects must be avoided, otherwise it is not a qualified product.
The color difference of mahogany furniture can be "natural selling point", but also can be "indiscriminate", grasping the craft, refined production is the key.
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