In order not to crack the furniture, we need to dry the wood. Wood drying is a key factor affecting the quality of wood products, but also one of the processes of wood processing, if the drying process is not handled properly, it will lead to warping and cracking, rot and mildew, discoloration and insects and other defects, resulting in waste of wood resources.
In the drying process, we should be familiar with all aspects, and the use of drying equipment is not unfamiliar. Although it seems that we have mastered the "trick" of drying, but the problem is still frequent, headache, so what causes the problem of wood drying?
The relationship between wood structure and wood drying
More than 90% of conifer wood is composed of upright tracheids with large diameter, thin cell wall, fast water movement during drying test, easy management and control of drying process, and good quality of drying products.
Relationship between moisture content of wood and wood drying
There are two ways of water in raw wood: free water and adsorbed water, free water is easy to cause water flow in the wood, and adsorbed water is difficult to flow.
Different drying methods for common tree species
European larch
Larch, a wood commonly used in construction and furniture, is prone to cracking and can be dried using traditional steam.
Pigeon bean
The wood is dense, interleaved in texture, and contains xylitol in its pores. In order to prevent deformation and cracking during the drying process, the top should be weighted. The conventional hot water drying method should be selected, and the drying standard should be a soft benchmark for intermediate treatment.
Eucalyptus
Eucalyptus wood is difficult to dry wood, in addition to cracking, deformation defects, but also easy to lead to shrinkage defects.
Teak
In order to make the wood dry deformation is small and not easy to crack, conventional hot water should be selected for drying. The hot water temperature is lower than the steam temperature, and the stable fluctuation is small. When the steam is drying, it is necessary to pay attention to the drying defects caused by excessive temperature fluctuations, and it is necessary to carry out intermediate treatment continuously. Some businesses often leave teak to dry naturally in the sun to highlight the black stripe texture of the teak and increase its ornamentation.
