Wood drying usually takes about 45 days, but some companies only spend 15 days to save time and cost. "But such products are much more likely to crack and deform in the future than drying for 45 days." The moisture content of solid wood furniture is very important.
Renovation of the house, many owners tend to favor solid wood furniture. Solid wood furniture is healthy and environmentally friendly, but at the same time, there are friends who vomit and complain about the deformation and cracking of solid wood furniture. Then, "Why does solid wood furniture crack and deform?" "What is the stability of solid wood furniture?" "How to remedy the cracking of solid wood furniture"···With these questions, today, Xiaobian will take everyone to see Look at the problem of cracking deformation of solid wood furniture.
Solid wood furniture cracking
Secret: Why does solid wood furniture crack and deform?
Regarding the cracking and deformation of solid wood furniture, there is a saying in the industry: "It doesn't break, it is not called solid wood." Then, why is solid wood furniture deformed and cracked? To this end, Xiaobian specially consulted Huari home staff with a history of 45 years of solid wood manufacturing.
1. Wood moisture content
Zhou Xuen, chairman of Huari Home, said in an interview that wood drying usually takes about 45 days, but some companies only spend 15 days to save time and cost. "But such products have a chance to crack and deform in the future. Drying for 45 days is much larger." Therefore, it is important to control the moisture content of solid wood furniture.
In general, the moisture content of furniture requires one to two percentage points lower than the actual average moisture content of the air. Due to the geographical difference in geographical location, the moisture content requirements for solid wood furniture are also different. For example, the annual average moisture content in Beijing is 11.4%, so the moisture content of solid wood furniture should be controlled at 10.4% or 9.4%; the average moisture content in the south is 14%, and in the north it is required to reach 12% to 13%. Therefore, some southern solid wood furniture will be cracked after being transported to the north.
2. Selected wood
In order to reduce the chance of cracking and deformation of solid wood furniture, it is also important to select wood with higher hardness and stable performance. The Nanmu family of Huari Home uses Nanmu imported from Myanmar. Phoebe wood is mild, and it is said that "water can not be immersed, ants can not be acupoint" in corrosion resistance and insect resistance. Even in extremely hot and humid environments, Nanmu furniture will not be oxidized and oxidized. Birch, fir, etc., are rarely selected as the main materials for solid wood furniture.
Extended reading: Nanmu family: a model of Nanxiang wood
Nanmu family adopts Myanmar nanmu for durability
3. Dry air humidity and temperature of indoor air
The wood itself has the characteristics of "wet dry shrinkage". With the change of humidity and temperature in the home, the solid wood furniture will continuously exchange moisture with the air. The wood is porous, and the dry air will shrink due to the water dispersion. The ideal setting environment for solid wood furniture is 18 to 24 degrees Celsius and relative humidity is 35% to 40%. Huari staff reminded consumers to avoid placing solid wood furniture close to the heat source or air conditioning tuyere. At the same time, excessive use of humidifiers, fireplaces or small heaters can also cause premature aging of furniture.
Solving the core key of cracking solid wood furniture
In order to enhance the stability of the wood, the first is to optimize the structure of the solid wood furniture, to avoid structural cracking, the structure is refined from the following basic aspects!
1. The frame of solid wood furniture
The frame itself is the backbone of the furniture, which allows the panels to be light and thin and durable, as they are the main structure of the force. If the panel is thick enough to be used directly as a frame, it is called solid wood panel furniture. The problem of the frame is generally less, and some parts are dislocated. Most of the grooves left when the plate is installed are too shallow. If the core plate is left unexpanded, it will directly open the frame or other connection structure.
Another problem is that because of the problem of placement, such as the weight of the wardrobe is very large, the ground is not necessarily flat, otherwise the time will be long, the weight will cause the overall frame deformation, although not serious damage (the wood is elastic), But it affects the opening of the door and drawer pull.
2, the panel of solid wood furniture
The longer the panel, the wider and thicker it is, the larger the pre-stress is, the more uncontrollable it is, which is quite different from the uniform material. With the simplicity of the prevailing, many desktops and coffee tables are single-sided, which greatly enhances the probability of cracking and deformation. If it is a traditional five-in-one plate, although it will leave a circle of shrink seams, the structure is indeed too stable. If it is a composite material or skinned furniture, there is no need to consider too much. People want solid wood, be simple, just don’t structure. The problem will be directly exposed.
There are not many ways to solve the problem. In general, thick panels (more than 40 mm thickness) need to be dovetailed in the back. Ultra-wide panels (widths over 80 cm) need to be crossed behind the back to prevent the following figure. Tile-shaped warp. If the panel is attached to the underlying wooden frame, it must be left in a certain amount (ie, in the direction of the cross with the wood fiber), otherwise the plank will be opened when the wood shrinks. The ultra-long panel is designed to prevent the hunchback from warping. It is generally controlled within 180 cm. If there are conditions, try to block the waist in the middle. The overall effect will not be affected, and the deformation rate will be reduced a lot, such as the door panel.
3, the door panel of solid wood furniture
Because the door panel is vertical, unlike the desktop, it will face problems such as water ingress and debris, and because there is no force control, it is better to have a five-in-one structure, which is a door (or a large drawer panel). ) is a combination of five pieces of wood. This will ensure the component of the force, and the various deformations will reduce the minimum. The veneer door is favored by simplicity, but it has structural problems, because usually only the hinge is connected with other structures, so it is easy to deform itself, and it needs to be strengthened behind to increase the stability.
4, the drawer of solid wood furniture:
There are two problems with poorly constructed drawers.
1. The in-line panel cannot be opened after being damp, or the gap is too large after heating in winter. As shown in the figure below, this is because the gap is too large or too small. If you want to reduce the drawer problem, the top surface of the drawer panel will be 5 degrees inclined, which will reduce a lot of after-sales service. 2. If the drawer bottom plate is solid wood, the direction should be as shown in the figure below. The reason is that if it is wrong, the coefficient of expansion is large, which will affect the use of the guide rail.
How to remedy the cracking of solid wood furniture?
If you notice by the naked eye that there are no cracks in the cracks, it is very easy to solve. Use 502 glue to drip along the cracks, then use the blade to gently scrape off the excess glue, but be careful not to hurt the furniture with a blade. Painted face.
If it is a small crack that has been cracked, the treatment will be relatively complicated. Two emergency remedies are available for your reference only.
1. Cook the old book that has been cut into pieces, the right amount of alum, and water to make a paste. Carefully insert it into the crack and wait for it to solidify.
2, white glue + wood chips are evenly mixed, embedded in the gap, polished with sandpaper after one day and one night.
Of course, the above are just remedies for minor cracks. If you encounter large cracks, you need to ask a professional to repair.
How to prevent cracking of solid wood furniture?
In addition to paying attention to the moisture content of wood when purchasing, Huari home staff reminds consumers to pay attention to the maintenance of furniture during use.
Don't put it in direct sunlight
If it is baked at a higher temperature for a long time, it is easy to cause local cracking, warping, deformation and even local qualitative change of the wood. Therefore, it is best to hide the sun from the furniture, or separate the direct sunlight with a translucent tulle curtain. This will not affect indoor lighting, but also protect indoor furniture.
Don't put it in a humid place
Furniture should not be placed in a very humid place, because the wood is easy to swell when wet, and it will be deformed and rotted after a long time. Indoor fish farming and flowering can also regulate air humidity.
Don't let the air conditioner blow straight in the winter.
In winter, solid wood furniture needs a humid environment, and it is best not to put it in a position where the air conditioner is hot and windy. Due to the relatively small air humidity in winter and the relatively dry interior, the main point of maintaining furniture is to drive out the drying.
Waxing furniture regularly
The moisturizing of wooden furniture is not enough to wipe the hydrating water by wet rags. It should also be moisturized by professional furniture care essential oils. The furniture care essential oil contains natural orange oil which is easily absorbed by wood fiber. It can effectively lock the moisture in the wood, prevent the wood from cracking and deforming, and nourish the wood. It can reproduce the wood from the inside to the outside, prolonging the service life of the furniture. It is also possible to wax the furniture on a regular basis, usually by waxing once a quarter, so that the furniture looks shiny and the surface does not collect dust, making it easier to clean.
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