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Comparison of the moisture content control of wooden furniture in the production process:
The control of moisture content in wood products during production is very different from the quality of wood furniture products.
1. Different materials, different moisture absorption conditions. Rod hole material (ash), soft material (autumn wood, rubber wood) absorb moisture significantly. Knowledge of wood properties is a prerequisite for controlling moisture content.
2. Different control materials should be used for different types of products. Eucalyptus, ash, and rubber wood are generally used to make non-polished products, and autumn wood is used for high-brightness polishing products. For materials used in high-brightness polishing products, strict moisture content control should be carried out.
3. The longer the production cycle, the higher the water content. Under normal circumstances, the water content can still be kept within the required range within three days and nights. Therefore, from the perspective of water content requirements, even if there is no moisture content control means, the production cycle is as short as possible, if it can be controlled within three nights. It is more appropriate.
The control method of moisture content of wooden furniture in the production process:
In order to ensure that the moisture content of the product meets the specified requirements, in addition to raising awareness and establishing a complete control system, the following methods must be used to strengthen the control of moisture content.
1. Control the moisture content of wood after drying
Generally, the initial moisture content of solid wood materials is controlled. After the wood is dried, it cannot be put into production immediately. It should be stored in a dry warehouse. The temperature and humidity in the warehouse should be controlled within the relative range. This way the wood can eliminate the drying stress and balance the water content.
2. Minimize the production cycle
The length of the production cycle directly affects the moisture content of the wood. This requires strengthening management and rationally organizing production so that the water content is simultaneously balanced and the production cycle is shortened.
The low moisture content environment can be solved from the following aspects:
A. Establish a dehumidification room, equipped with dehumidification machinery to control the indoor moisture content;
B. Using the principle of natural drying of wood, equipped with a ventilator and a heat sink to control the indoor moisture content. However, temperature and air volume must be strictly controlled. Excessive temperature of hot air can cause deformation and cracking of the product;
C. Strictly control the moisture content of the white blank before painting;
D. Improve the process to prevent the water content from rising. Closing the blank of wood products, closing the blanks of important parts such as panels and feet, will significantly reduce the speed of moisture absorption of the wood;
E. Strengthen the sealing of the painted surface to prevent moisture absorption. Some often only pay attention to the surface and neglect the closure of the back, which causes the wood products to absorb moisture from the back and cause the goods to deform and crack.
Method for controlling moisture content in the production process of wooden furniture
With the continuous development of the national economy, a large number of large-scale, high-grade furniture quickly flooded into the market. The competition in market share depends on reasonable prices and good quality. The moisture content of wood furniture is an important indicator to test the durability of wood products. In all kinds of technical standards, the testing requirements for furniture quality are relatively high, especially the moisture content of wood products is extremely strict.