Solid wood furniture is furniture with wood or a small amount of artificial board and other auxiliary materials as the main body. Its main feature is furniture with tenon-mortise structure (fixed structure). The advantage of solid wood furniture is that it embodies nature: the texture is natural, the shape is changeable (such as curved surface and carved flowers), and the environmental protection performance is higher than that of panel furniture because of less glue. (1) Classification of solid wood furniture 1. Pure (all) solid wood furniture: all materials of furniture are solid wood, including desktop, door panel, wardrobe side panel and so on. , do not use other forms of artificial plates. Pure solid wood furniture requires high technology and materials. Material selection, drying, finger joint, flat-fell seam and other requirements of solid wood are very strict. If any process is not strictly controlled, it is easy to crack and loosen the joints, and the whole set of furniture will be deformed or even unusable. Hardwood Chinese furniture is a typical example of this kind of furniture. 2. Wooden furniture: From the appearance, it is solid wood furniture. The natural texture, feel and color of wood are exactly the same as those of solid wood furniture, but it is actually a mixture of solid wood and man-made board, that is, the frame is made of solid wood, and the panels, bottom, top and shelves are decorated with man-made board. At present, most of the solid wood furniture sold in the market is board-wood combination furniture. This process saves wood and reduces the cost. (2) How to buy solid wood furniture 1? First of all, we should know what kind of tree furniture is made of, which directly affects the price and quality. In the north, ordinary solid wood furniture usually uses Fraxinus mandshurica, oak, elm, catalpa bungeana and pine, while high-grade solid wood furniture mainly uses precious materials such as rosewood, rosewood and ebony. The solid wood furniture market is chaotic, and there is often a phenomenon of shoddy and confusing tree species. It is best to buy brand-name products to avoid being cheated. 2. Put your hand on the surface of the furniture, carefully check whether the polished surface is smooth, and observe whether there is a drawer or door frame tilting phenomenon, whether there is a slanting position of the tenon, or whether there is an eye hole that is too large and the tenon is not tight. Wooden furniture should be safe and stable. You can nudge the upper corner of the furniture, or sit aside to see if the furniture is firm. Corner plug, column drawer and other supporting parts should be firmly combined, and the cooperation of plate-mounting parts should not be loose. 3. Observe whether the wood is defective. There should be no big knots or cracks in the main stress parts of furniture, such as the columns near the ground and the bearing rods connecting the columns. The structure is firm, the frame shall not be loose, and the tenon and material are not allowed to be broken. Wood-based panel components used in furniture should be sealed, and all kinds of accessories should be installed without leaking nails or piercing nails. Do not use moth-eaten and rotten wood materials; Wood must be dry, and the moisture content shall not be higher than 12%. 4. Observe the strength of the plate. The strength of the board surface can be pressed with your fingers to feel the fastness of the board surface. Observe that the paint film on the surface of the product is not allowed to wrinkle, stick or leak paint. Put your hand on the furniture surface and carefully check whether the paint film is smooth. 5. Open the doors and drawers of the furniture and observe whether the wood is dry and white, and whether the texture is tight and delicate. If the furniture is made of particleboard, medium density fiberboard, etc. When in use, it is required that the cupboard door or drawer should have no irritating smell after opening, and the switch should be flexible. (3) Frequently asked questions about solid wood furniture 1. When making pure solid wood furniture, we should pay attention to the separation of soft and hard materials. If the materials of the frame, side hill or door panel are inconsistent, it is easier to deform with different shrinkage rates. 2. The stability of solid wood furniture structure depends on the change of moisture content, and the change of moisture content will be affected by the humidity of the surrounding environment. The air humidity difference between production and sales is too large, and the furniture is easy to deform and crack. 3. The maintenance of pure solid wood furniture can refer to the maintenance method of mahogany furniture.