Plywood Production Stages

Tree Selection:
The trees to be used in the production of Plywood should be in a form suitable for peeling. The general line should be smooth and cylindrical. Trees whose form is not smooth and cylindrical and whose diameter is less than 40 cm will have a low yield and a high number of pieces, so there will be more waste.

Hard Trees: Birch, Alder, Beech, African and Far Eastern origin trees are examples. These trees are preferred because they are densely textured and have high yields. These trees are expensive and valuable trees due to their high quality and are the reason for reverse preference in plywood manufacturing and are reflected in the prices due to the specified quality.

Softwoods: Poplar, Pine, Spruce, Fir etc. are trees that can grow in Turkey. These trees are generally used in places that do not have visual and strength such as packaging, roofing, under parquet because they are sparsely textured, low in density and cheaper. Since these trees are of low quality, their prices are cheaper and this is reflected in the prices in plywood production.

2- Wood Steaming Process
The reason for this process is to reduce the hard and dehydrated wood to a certain softness during peeling and to increase the bending strength. 

3- Tree Lengthening Process:
The heads of the trees that are steamed are straightened and cleaned from cracks and curvatures, then the logs classified as surface and inner material are taken to the lengthening process.

4- Tree Peeling Process:
The trees, whose lengthening process is completed, are peeled in peeling machines and turned into papels. The peeled trees are cut with automatic shears at the same time and stacked and made ready for drying.

5- Drying Process:
The products that are peeled and turned into wet papels are passed through drying ovens circulating hot air at 200 degrees and their humidity is reduced to 12-15%, the papels with reduced humidity are selected as inner material, surface material and piece material, piece materials are passed through the addition and become ready for gluing and pressing.

6- Gluing (Bonding) Process:
The inner material and surface material papels, which are made monolithic by adding and made monolithic, are prepared for cold and then hot pressing by forming the number of layers according to the thickness of the plywoods to be produced and placing them on top of each other as glued and unglued papels.

7- Pressing Process:
The glued papels are first subjected to cold pressing process to be pressed. The purpose of the cold pressing process is to rest the glued papels and a kind of cold ironing flattening process is performed under a certain pressure. 

8- Size determination, Caliber and Sanding Process:
After the products coming out of the hot press are left to cool down, they are sized and the miter is made smooth and sized in accordance with the manufacturing conditions. During the sizing process, quality control is also carried out during the sizing process, and the burst defective materials are separated and classified according to their quality and classes.