The high value of mahogany furniture depends mainly on the shape, material, art and rhyme. In addition to good materials and shapes, a good mahogany furniture must have a scientific and rigorous production process. Then, after the wood is bought, an important part of the production of the mahogany furniture factory is the use of materials, including cutting, batching, feeding, etc., which are completed before the furniture design drawings are completed and the furniture is opened, assembled and polished. Experienced factories will pay special attention to the use and matching of materials, and form a set of "specifications" in the operation to make full use of wood. On the contrary, factories that use wood and are unplanned often leave a lot of short materials and consume more wood.
Some excellent cutting masters know almost every piece of wood, know where to cut, how to choose materials, and also have in-depth research on the design, structure and craft of each piece of furniture. In the mind, they have a familiar "framework" that knows what to do first and what to do later, what problems they may encounter, and how to solve them. In order to reduce the mistakes in materials, the master responsible for cutting materials should clearly understand the characteristics of the materials used in the furniture in advance, including the requirements on the style, structure and shape of the wood, and then go to the purpose of sawing and selecting materials.
Usually, the material is bought back from the wood and started when the factory unloads the truck. The first step is to classify the wood. When classifying, of course, according to the type of wood, new materials and old materials, but also refer to the length, diameter, size and pros and cons of the wood. The advantage is that it is quick and easy to find the wood of the required size when selecting materials, without the hassle. Secondly, the size of the material to be opened, such as thickness, length, width and width, is determined according to the furniture design drawings, so it is necessary to study the drawings as early as possible. In addition to mastering the operation technology of the machine, the material-cutting master must adhere to two basic principles, that is, "long material can not be sawed short, wide material can not be narrowed." That is to say, under special circumstances, the material is only sawed from the thickness of the wood. In some demanding factories, long saws are short-use and wide-cut saws are used, which is a very serious mistake.
There is also a noteworthy aspect of the material opening, that is, after a piece of wood is sawn into a sheet, it is necessary to return to the original layer of wood to be stacked and packed, and the order cannot be disordered. Especially when the top box door panel and the desk chair panel are used for materials, the board with the same board or the same piece of wood is required to have the same color and pattern, and the boards after the opening must be stacked as they are. Again, there must be a sequence of materials and a primary and secondary order. Before the board is used for drawing, sawing and planing, it should be in accordance with the furniture design drawings, from the good material to the secondary material, from the long material to the short material, from the wide material to the narrow material. After ensuring the required material, length and width of the furniture, finally match the short material, narrow material and secondary material. For example, a red rosewood throne sofa, relying on the head, the backboard, the face board, the armrest board, must be considered when selecting materials, and then consider the legs, waist, all kinds of short squats.
The purchased logs cannot be dried directly, and the sawn timber must be first used. When sawing timber, it should be tailored according to the size of the furniture made, length and length, comprehensive utilization, and pay attention to the direction of the wood texture. If the sawn timber is perfunctory, it will cause serious waste and improper material matching.
Drying is generally carried out in two stages. First, pre-drying is carried out. The pre-drying is generally carried out by natural air drying, and is placed in the yard to achieve air drying by air flow and evaporation of water, so that the moisture content of the redwood is reduced to between 20% and 30%. . After air drying, it is placed in a special mahogany drying equipment for drying, and is required to be dried to a moisture content of 8% to 12%.
As the saying goes, "short blacksmith, long carpenter." After the materials are prepared, the lines, sawing and planing should be kept as much as possible. It is rather long, not short, and make full use of the plates. If you have to cut or narrow, you should consider how the rest of the part is used and where it is used. For example, how to cut the length of about 30 cm, or how to use about 2 cm in width, etc., only comprehensive consideration, these scraps can not be wasted.
In this way, for a piece of furniture, not all parts and materials are ready for processing, but the main part of the material is matched, and the rest is added. The selection of materials has achieved the distinction between the primary and the secondary, and has been ordered in an orderly manner. Once there is a mistake in the production of furniture, or the small material is not enough, and then look for and replenish from the pile of wood, the workload is not very large. In short, in the use of materials, from the classification of wood, to the cutting, material selection, feeding, there is a "normative" operation, not only reduces the mistakes, rework, cost of materials, the key is to make good furniture.
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