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在刨花板生产中,树种是决定其质量的重要因素之一。那么,选择什么样的树种才能生产出优质刨花板呢? 一、材质强重比大的树种 由于木材是非均质的三相体系材料,多向异性,其中顺纹抗压强度最低,所以木材的强重比与各向同性的均质材料不同,是指其容积重与顺纹抗压强度之比。材质强重比大,意味重量轻,强度大,选用这样树种的木材生产碎料加工的板子,当板子等级和规格(尺寸)一定时,碎料的用量就可以减少。当板子容积重和规格一定时(即用材量一定),板子的强度就大,即等级高。刨花板与胶合板和纤维板相比,前者的重量大于后
In the production of particleboard, tree species is one of the important factors that determine its quality. So, what kind of trees to choose to produce high-quality particleboard it? First, the material than the large tree species As the wood is heterogeneous three-phase system materials, anisotropic, including the lowest compressive strength of the grain, so the strong wood Weight ratio and isotropic homogeneous material is different, refers to the volumetric weight and the ratio of compressive strength of the grain. Heavy material weight ratio, meaning light weight, high strength, the selection of such wood species of wood processing scrap board, when the board level and size (size) is certain, the amount of scrap material can be reduced. When the board volume and specifications of a certain weight (that is, a certain amount of wood), the strength of the board is large, that is, high grade. Particleboard compared with plywood and fiberboard, the former weight is greater than the latter