| 刨切机和旋切机的比较 |
| 添加时间：2019/7/26 16:33:45 浏览次数： |
| 1 刨切机和旋切机的比较 Comparison of 1 cutting machine and rotary cutting machine 木材刨切机是生产单板和微薄木的主体设备。按照刨刀相对于水平面的运动方向来分类，则木材刨切机可分为立式和卧式两大类；根据刨切方向相对木方纤维长度方向垂直还是平行，又可将刨切机分为横向刨切机和纵向刨切机。现代的刨切机的外形尺寸仅为过去刨切机的1／3，结构紧凑，质量轻，安装调试容易；可连续生产，节省装卡木材的时间，生产效率高；工作极平稳，几乎听不到噪声。旋切机也是生产单板的主要设备之一，从某种意义上来说，比刨切机使用得更广泛。旋切机按木段是否绕自身轴线旋转可分为同心旋切和偏心旋切两类。同心旋切机中又分为卡轴旋切机和无卡轴旋切机种。偏心旋切可获得美观的径向花纹，但生产率比同心旋切低。旋切机一般体积大而且结构复杂，上机前需要原木定心，若定心不准，开始旋切时会旋出续的单板带或窄单板。碎单板或窄单板越多，损失的材质好的边材单板也越多，不利于生产的连续化。原木有弯曲、截面不规则和两端有大小头(尖削度)等易造成旋出的单板为碎单板，浪费木材。并且当原木直径减小到一定程度时，就不能再继续旋切(即剩余木芯造成木材浪费)。而刨切机的缺点是：刨切单板的宽度窄，一般为300rnm有特殊要求的场合。 Wood planer is the main equipment for producing single board and micro - wood. According to the plane relative to the horizontal direction of movement of the classification is wood planing machine can be divided into vertical and horizontal two categories; according to the direction of relative planing www.yuanlingujian.com.cn www.aoyou56.com www.huaruizh.com www.aoyouwangluo.com www.fangzhuangmoju.cn www.dangtuqiang.com.cnwood fiber length direction perpendicular or parallel, and can be divided into horizontal planer planing machine and vertical planing machine. The size of the modern planer is only 1 / 3 of the planer. It has compact structure, light weight and easy installation and commissioning. It can continuously produce, save time for timber loading, and produce high efficiency. It works very smoothly and hardly can hear noise. The rotary cutting machine is also one of the main equipment to produce the single board. In a sense, the machine is more widely used than the planer. The rotary cutting machine can be divided into two types: concentric rotation cutting and eccentric rotary cutting, according to the rotation of wood section around its axis. The concentric rotary cutting machine is also divided into the rotary cutting machine and the non card axis rotary cutting machine. Eccentricity rotary cutting can obtain beautiful radial pattern, but the productivity is lower than that of concentric rotary cutting. The rotary cutting machine is usually large in size and complex in structure. It needs logs to be fixed before the machine is on. If the centering is not allowed, the continuous single plate or narrow veneer will be swirled out during the start of the rotary cutting. Broken board or veneer more narrow, sapwood veneer loss of good material more and more, is not conducive to continuous production. Wood bending, irregular cross-section and ends with large head (taper) and so easy to cause the single plate screwed out for broken veneer, wood waste. And when the diameter of the log is reduced to a certain degree, it can not continue to spin cutting (that is, the waste wood core is wasted). The drawback of the planing machine is that the width of the planing veneer is narrow, and it is usually 300rnm with special requirements. ④低速、大转矩。与电磁马达相比，超声波马达最显著的特点是低速下具有大力矩输出的特性。超声波马达的力矩密度(力矩重量比)是电磁马达力矩密度的100~1000倍以上。 (4) low speed and large torque. Compared with the electromagnetic motor, the most significant feature of the ultrasonic motor is the characteristic of high torque output at low speed. The torque density (moment weight ratio) of the ultrasonic motor is more than 100~1000 times of the torque density of the electromagnetic motor. |
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