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Finger-jointed boards are primarily made by joining together multiple pieces of wood. They don't require gluing or pressing, and the vertical panels are joined using jagged joints, resembling the cross-jointing of two pairs of hands. Hence the name finger-jointed. They are widely used in the furniture industry. Today, we'll discuss the production process for finger-jointed boards.
1. Processing of raw materials
First, the wood is cut into units, and then made into various boards through certain combination rules. Boards composed of large units have higher bearing capacity, while boards composed of small units have better homogeneity.
2. Dry the board
Board drying processes include veneer drying, particle drying, fiber drying for dry-process fiberboard, and heat treatment for wet-process fiberboard. Board drying is performed under heat-insulating, high-speed, and continuous conditions. After the heating phase, the drying process begins with a deceleration step.
3. Glue the board
my country's plywood factories usually use roller gluing method, and for shavings and fibers, spraying method is currently the main method.
4. Sheet forming
The molding process for wood-based panels involves forming and pressing particleboard and fiberboard mats. Particleboard and fiberboard mats are transformed from single-layer structures to three or more layers. Furthermore, the arrangement of the particles and fibers within the mats changes from random to directional. By aligning the fibers of adjacent plywood layers perpendicularly, the wood's properties are improved, resulting in greater dimensional stability.
The above is all the content of the production process steps of finger-jointed board manufacturers shared by the editor of the top ten board brands. I hope it can help everyone.