Production process of multi-layer solid wood flooring

Production process of multi-layer solid wood flooring

The first step: Wood selection and segmented wood can produce a good floor. The quality of logs is very important to the quality of the floor. The quality control of good brands starts from the selection of logs, and good timber is the basis of producing high-quality flooring.

The second step: Log rotary cutting drying process is used to manufacture solid wood core board of multi-layer solid wood composite floor. The quality of solid wood core board of base material is closely related to the quality of finished floor. The solid wood core plate produced by rotary cutting is about 1.5 mm thick, and it needs a period of drying after rotary cutting.

The third step: In order to ensure the quality of each floor, the regular manufacturers usually choose the solid wood core board with uniform thickness, moderate thickness, no defects and no breakage as the floor base material, and the full-time sorters select the floor base material.

Fourth step: Core board gluing layout professional gluing equipment to operate, can ensure that the amount of gluing is uniform, improve the efficiency of gluing work. The original extension direction of wood fibers can be changed by arranging 8-10 layers of glued thin solid wood core boards in an orderly, criss-cross and layered arrangement and bonding together. It is this step that completely improves the limitation of wet swelling and shrinkage of solid wood.

Step 5: Core board hot-pressing bonding; hot-pressing is an important process in the production of solid wood composite flooring, which directly affects the quality of finished flooring products. The hot pressing equipment used in large factories is relatively advanced, and the production management personnel monitor the whole process, so the product quality is relatively stable.

Sixth step: Base material fixed thickness sanding machine uses large fixed thickness sanding machine to sanding the surface and bottom of the floor base material, which can ensure the smoothness and smoothness of the board surface, thereby improving the accuracy of the product, and provide a reliable guarantee for the pressing of precious tree bark on the decorative surface.

Seventh step: After the preliminary processing, the base material of the floor is sorted carefully and the unqualified products are removed. After high temperature and high pressure, there is a large internal stress in the substrate, which needs to be released in 15 to 20 days after static balance, so that the balance of the substrate is stable. This process is called health preservation.

Step 8: Solid wood veneer selection of multi-layer solid wood composite flooring is mostly used in the northern dry environment, so dimensional stability is the key. In order to prevent cracking in the dry heating season, the precious wood seed bark on the surface of large brand solid wood composite flooring is selected one by one by professional quality inspectors, and the moisture content control is very strict.

Step 9: The selected wood sheet is coated with environmental protection glue on the floor base material, and then hot pressed in the advanced hot press, that is to say, the qualified multi-layer solid wood composite floor slab is manufactured.

Step 10: The floor slab curing process is due to the hot pressing of the floor base material after the decorative veneer is affixed, and the internal stress of the slab is greater. Such floor slab needs to be kept in a balanced curing warehouse at constant temperature and humidity for about 20 days, so as to ensure the quality of the floor is more stable.

Step 11: The floor is cut and grooved, and the slab will be cut and formed by grooving equipment. Slotting is of great significance to the splicing of finished floors, so most of the large domestic enterprises imported cutting equipment from Germany to ensure the quality.

Step 12: Paint drying, setting and grooving of the floor will be carried out through the paint spraying equipment. After eight primers and four topcoats, the finished floor surface will be moist and tough. After that, the whole process of production is completed by sorting and packaging.

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