Wood needs to be graded according to its own humidity, but many people will be confused, why must be graded? Well, the hardness of the wood itself is not high, but once it encounters water, it will be moist, easy to stick together after crushing, not easy to meet the required discharge standards, or even cause difficulties in discharging, seriously affect the efficiency of work, what's worse, it will affect the service life of the equipment.
Wood can be pided into 6 grades according to the degree of dry and wet:
1, placed in the water for a long time, the moisture content is greater than the general raw wood;
2. Wood with a moisture content similar to that of newly cut wood;
3, water content is less than the general raw wood;
4,Wood that has been dried in the air for a long time and whose moisture has almost ceased to evaporate;
5. Wood that has been artificially dried;
6. Wood with water content of 0;
In daily production activities, wood is pided into different categories, which is conducive to improving production efficiency.
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