Solid wood furniture has the characteristics of natural environmental protection, long service life and value preservation. Many people like the natural beauty of solid wood furniture. But once the expensive solid wood furniture cracks, it is the painful experience. In particular, the merchant said that "the solid wood furniture is not easy to crack and it is a normal phenomenon", it is more tangled.
How did the solid wood furniture crack?
Many friends think that if the solid wood furniture cracks, then the solid wood must be fake. In fact, even if it is really solid wood furniture, cracking is inevitable. Even the value-added rosewood furniture will crack when it is exhibited in the Forbidden City, and it needs to be repaired. Like the skin is lack of water and wrinkles, the hair is bifurcated, and wood is also a kind of creature. If there is water shortage, it will have the same problem. It is cracked in the furniture.
The cracking of solid wood furniture is actually caused by the "woody nature". The sex of the wood mentioned here is not the difference between the sex of men and women, the difference between the sexes of animals and plants, but the difference between the deformation force and the twisting force of wood. The unique habits of its own.
What does “woody sex†mean?
When the carpenters are working, they saw a piece of wood. After shaving a piece of wood, they often say the following sentence: "This wood is very big." That is to say, the piece of wood has a large deformation force and a large twisting force. After the finished product is finished, it is cold and hot. Changes in the dry and wet environment will produce more dramatic changes, such as large cracks, large twists, large expansions, and large shrinkages. Sometimes the changes will not look like the original ones, such as the original square square wood, can be twisted into Twisted, turn a few turns.
When the carpenters encounter this kind of wood, they will be extra careful when they are alive. If you want to find a strong one, try to control it, hold it, and don't make it change. If you encounter a small piece of wood, that is, a flat and gentle wood, it will be easier to do the work, you don't have to worry so much. The finished product will also change, but the changes and distortions will not be particularly strong.
Extended reading: Do these things, solid wood furniture does not crack!
What kind of wood is big, what kind of wood is small? Old carpenters have a lot of wood for their hands, and they all have their own bases. For example, eucalyptus, ash, and color wood (Maple) are all large wood. The red pine, white pine, elm, and elm are small woods. In the southern wood species, nanmu and cedar are small, while eucalyptus and longan are woody. Rosewood, red pear, and grass pear are very large, while red sandalwood and yellow pear are relatively small.
The old carpenter knows how to distinguish and knows how to make it. However, sexuality and sexuality are relatively speaking and exist in comparison. As long as it is wood, it will expand and contract, and it will swell and shrink. A 3-5 mm expansion joint is required on the surface of the classical furniture to avoid the large cracking and squeezing deformation of the furniture, so that it can cope with the changes of natural temperature and humidity during use.
Wood degeneration method
Since wood has sex, it is very important to go to sex before production. There are many ways to go about sex, but they can be roughly divided into three types:
First, roast
It is to put the logs or plates and squares into the baking room to steam. In the early years of the baking room, mainly burning leaves, sawdust, branches, and firewood; later burning coal, burning oil, and then a little more, using electric heating to roast, has been similar to the electric oven. It’s not the box, but the house that only bakes wood. Bake wood for a long time, unlike toast, cooked in a few minutes and ten minutes. Baked wood in the early years, one roast is three or five days, even a week, slowly roasting, dark fire smoked. The temperature should not be too high, and you should not see an open flame, otherwise the wood will be turned into charcoal. After roasting, the sex of the wood is removed a lot, which is convenient for carpenters to use and operate.
Second, blowing
The essence of blowing is to let the wind blow, which can also be called the process of natural air drying. This takes three, five months or even half a year, one year, stacking the plates and squares layer by layer, and tidying up neatly. Each layer of boards and squares should be padded with small wooden strips, which is convenient for spacing. Ventilation and ventilation. There is a big gap between the 垛 and the 以 to take the wind. The board square material is generally coded in the shaded and ventilated place, avoiding the sun exposure and causing the wood to suddenly start. After the yard is good, the top is to press heavy objects, such as stones, steel, logs, etc. The heavier the better. After natural wind blowing, rain, sun, snow burying, dry and wet, wet and dry, the sex of the wood is getting smaller and smaller, so the more the wood is, the easier it is to make and care.
Third, bubble
Just throw the logs or plates and squares into the water and soak them. Soak him for a week, two weeks, or even a month, fish it up and pick it up according to the natural drying method, and then use it completely and naturally. Or after the bubble is sent to the baking room to smoke, there is an old way to speed up the speed of de-sex, that is, digging the pit to release water, adding lime or alkali, using lime water, alkaline water to soak the wood, so the time of soaking can be greatly shortened Soak it in two or three days, or dry it, or send it to the barn.
In short, the way to go to the wood is actually tossing back and forth, soaking, roasting, damping, damp, dry, and the more the number of tossing, the less the sex of the wood, the less prone to cracking, quite The taste of "Bailian into steel". Also like the quenching of steel, it burns red and suddenly into the cold water. The quenched steel is harder and the sex wood is more supple.
The cracking of solid wood furniture is actually a matter of water and power. In addition to the main wood properties, the use environment, the use habits, etc., it is also easy to change the moisture content and fiber stress of the wood itself. For example, excessive sunlight, excessively dry air in the house, long-term soaking of various liquids such as acid/alkali on the furniture surface, and violent transportation will give the furniture the potential to crack. So as long as you work hard on these issues, you can minimize the cracking problem.
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