The first step: the selection of logs
Good wood can produce good flooring, and the quality of the logs is critical to the quality of the flooring. The quality control of a good brand begins with the selection of logs, and good wood is the basis for producing high quality flooring.
The second step: log rotary drying
This process is used to process the solid wood core board of the multi-layer solid wood composite flooring. The quality of the solid wood core board is inseparable from the quality of the finished floor. The solid wood core plate that is rotated and cut is about 1.5 mm thick, and it takes a while to dry after the rotary cutting.
The third step: solid wood core board sorting
In order to ensure the quality of each piece of flooring, regular manufacturers usually only choose solid wood core plates with uniform thickness, moderate thickness, and no defects and no breaks as the floor substrate. The floor materials are selected by full-time sorters.
The fourth step: the core board is coated with rubber sheets
The professional gluing equipment can operate to ensure the uniform amount of glue and improve the efficiency of gluing. 8-10 layers of coated thin solid wood core sheets are arranged in an orderly and criss-cross layer, and bonded together to change the original direction of wood fibers. It is this step that completely improves the limitations of the expansion and contraction of solid wood.
The fifth step: core plate thermocompression bonding
Hot pressing is an important process in the production of solid wood composite flooring, which is directly related to the quality of finished flooring products. The hot press equipment used in the large factory is relatively advanced, and the production management personnel monitor the whole process, so the product quality is relatively stable.
Step 6: Thickening sanding of the substrate
The large-scale thick sanding machine is used to thicken the surface and bottom of the floor substrate to ensure the flatness and smoothness of the board surface, thereby improving the precision of the product and providing a reliable guarantee for the pressing of the precious wood of the decorative surface layer. .
Step 7: Substrate sorting and health
After the initial processing of the floor substrate, it must be carefully sorted by a special person to remove the unqualified product. After high temperature and high pressure, there is a large internal stress inside the substrate, and it is necessary to stand still for 15 days to 20 days to release the internal stress, so that the substrate is balanced and stable. This process is called health.
Step 8: Selection of solid wood skin
Multi-layer parquet is mostly used in the dry environment of the North, so the dimensional stability is critical. In order to prevent cracking in the dry heating season, the precious wood veneer on the surface of the large brand solid wood composite floor is selected by professional quality inspectors, and the moisture content control is extremely strict.
Step 9: Floor slab forming
The selected veneer single piece is coated with environmentally friendly glue on the floor substrate, and then into the advanced hot press for hot pressing, that is, a qualified multi-layer solid wood composite floor slab is prepared.
Step 10: Floor slab health
Since the floor substrate is subjected to hot pressing after the decorative veneer is attached, a large internal stress is generated inside the slab, and the floor slab needs to be kept in the constant temperature and humidity balance health bin for about 20 days, thereby Ensure that the floor quality is more stable.
The eleventh step: the floor cutting slot
After the health, the slab will be cut through the slotting equipment. The quality of the slotting is of great significance to the splicing of the finished floor. Therefore, large domestic enterprises have introduced imported cutting equipment from Germany to ensure quality.
Step 12: Lacquer drying and shaping
The finished floor will pass through the lacquering equipment. After eight primers and four coats of paint, the finished surface of the finished floor will be moist and tough. After that, just sorting the packaging, the whole process of production is ended.
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