| 刨切薄木(单板)具有如下优点而备受青睐 |
| 添加时间：2018/1/15 15:46:07 浏览次数： |
| ①刨切单板不仅具有旋切单板的弦向纹理，还有旋 (1) the planing veneer not only has the chord texture of the veneer, but also the veneer. 切单板所不具备的美丽大方、最富天然木材真实感且收缩率最小的径向纹理及半径向纹理。②由于纵向刨切是沿着木材纤维长度方向，避免了横向刨切造成的单板裂纹，刨切单板比旋切单板的横向抗拉强度高，几乎不出现背裂和板面裂纹，不仅厚度均匀，且光洁程度很 The cut veneer does not have the beautiful, natural, natural feeling of the richest natural wood and the minimum shrinkage rate of the radial texture and radius to the texture. 2. Because longitudinal planing is along the direction of wood fiber length, the single board crack caused by transverse planing is avoided. The transverse tensile strength of veneer plate is higher than that of rotary veneer, and almost no cracks on the back and plate surface occur. The thickness is uniform and the degree of finish is very smooth. 好，不需砂光即可直接高档装饰贴面，从而提高了单板的强度和表面质量。③与锯切、旋切单板相比，刨切单板厚度更易达到0．2mm以下，便于向微木发展，可更有效地利用珍贵稀有木材，扩大珍贵优质木材的使用面积。 Well, no sand light can be used to directly decorate the veneer to improve the strength and surface quality of the veneer. The sawing, veneer, veneer thickness is more likely to 0.2mm the following, in order to micro wood development, can make effective use of rare wood, expand the use area of precious wood. 旋切单板一般用于生产胶合板和单板层积材；而刨切单板一般很薄，可覆贴在刨花板、中密度纤维板和胶合板等板材的表面上使用，是高档家具、乐器及建筑装饰的主要材料，也是木质人造板二次加工表面粘贴的主要材料。旋切单板和刨切单板都可用来做装饰材料，一般有径切木纹和弦切木纹两种，但径切木纹比弦切木纹更易被人们所接受。随着单板层积材生产技术的成熟，其已广泛应用于建筑、家具和车船制造等行业。采用厚单板制造单板层积材，对于生产工艺和降低成本都是有利的。由于单板厚度的加大，如生产同样厚固目度的LvL，则可减少单板的层数，从而减少了单板的涂 Veneer is generally used in the production of plywood and LVL; and the veneer is generally thin, can be pasted on the surface of the use of particleboard, MDF and plywood board, is the main material of high-grade furniture, musical instruments and architectural decoration, the main material is wood-based panel processing two the surface of the paste. Rotary veneer and sliced veneer can be used as decorative materials. Generally, there are two kinds of wood cutting, wood grain, chord and wood grain, but the diameter cut wood grain is more acceptable than the chord cut wood grain. With the maturity of the production technology of laminated veneer, it has been widely used in construction, furniture and vehicle manufacturing industries. The use of thick veneer to make single plate laminated wood is beneficial to the production process and the cost reduction. Because of the increase of the thickness of the veneer, such as the production of the same thickness of LvL, the number of the veneers can be reduced and the coating of the single plate can be reduced. 胶量，减少了环境污染(据调查显示，现在绝大多数胶对人体都有害)。另外，预压、热压、组坯等的时间大大减少，提高了生产率。日本木下叙幸等人对厚单板旋切做了较为有益的试验和研究，试验中单板旋切厚度为lOmm，旋切质量较好。关于厚单板刨切的研究很少，据德国研究人员称，有的树种刨切单板可厚达15mm。 The amount of glue reduces environmental pollution (according to the survey, most of the glue is now harmful to the human body). In addition, the time of preloading, hot pressing and billet is greatly reduced, and productivity is improved. Japan Kinoshita Yuki et al on thick veneer to do a more useful test and research and test of veneer peeling thickness lOmm, good quality. There are few studies on thick veneer planing. According to German researchers, some tree planed veneers can be as thick as 15mm. 3 提高刨切单板和旋切单板质量的方法 3 methods to improve the quality of planed veneer and veneer 3．1 提高刨切单板质量的方法 3.1 methods to improve the quality of planing veneer ①改变刨切机的切削运动方式，使刀具相对木材纤维方向做斜向上下往复运动，刀刃实际(工作)楔角变小，切削阻力减小，冲击不大，刨切轻快，可提高薄板质量。 First, change the cutting motion mode of the planer, make the tool move upward and downward with respect to the direction of the wood fiber, and the wedge angle of the blade is smaller, the cutting resistance decreases, the impact is not big, the planing is light and fast, and the quality of the sheet can be improved. ②木射线不发达时，刨切木方时应顺年轮刨切；木射线发达时，应逆年轮刨切。 When the wood rays are not developed, the wood square should be sliced along the ring when the wood is cut and cut, and the wood rays should be cut against the ring when the wood rays are developed. ③进刀时，采用斜刃切削，减小刨刀振动和单板撕裂，从而提高单板质量。 The feed, the oblique cutting, reduce vibration and planer veneer tear, so as to improve the quality of veneer. ④刀具的材料必须达到一定的硬度和韧性，刀具的研磨角应根据树种的不同而采用不同的角度。另外，刀具的形状、刀具和压尺的相对位置对质量也有很大的影响。 (4) the material of the cutter must reach a certain degree of hardness and toughness, and the angle of the grinding angle of the cutter should be different according to the different species of the tree. In addition, the shape of the tool, the relative position of the tool and the ruler have a great influence on the quality. 3．2 提高旋切单板质量的方法 3.2 methods to improve the quality of veneer ①掌握好木段的蒸煮温度。 (1) mastering the cooking temperature of a good wood section. ②使用低合金工具钢刀具时，必须对其表面进行处理，以提高旋切时刀具所需的硬度和韧性；保证刀具的楔角、后角和刃口锋利程度达到要求。此外，内外单板的压榨率和树种本身也是很重要的因素。 2. When using low alloy tool steel tool, the surface must be treated to improve the hardness and toughness of cutting tools when cutting, so as to ensure the tool's wedge angle, back angle and edge sharpness meet the requirements. In addition, the pressing rate of the internal and external veneers and the tree species themselves are also important factors. |
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