公开(公告)号：US4096796A

公开(公告)日：1978-06-27

申请号：US642710

申请日：1975-12-22

申请人： Robert J. Saunders ,  Harold A. Keller

发明人： Robert J. Saunders ,  Harold A. Keller

IPC分类号： B27N3/10 ,  B27N3/14 ,  B30B3/02 ,  B29J5/00 ,  B29J5/04

CPC分类号： B27N3/14

摘要： Press racking, or lateral movement of the movable portions of a press, occurs in certain particleboard processes during heating and pressing of the panels. It is attributed to shingling of wood particles during the formation of a mat. To eliminate or reduce the movement of the press, the mat is subjected to rolling engagement by a relatively small diameter roll located between the forming apparatus and the press. The roll subjects the mat to a downward rolling pressure. The peripheral roll surface is in contact with the newly formed upper surface of the mat and has a linear speed and direction of movement identical to the speed and direction of movement of the mat support. A resulting wave action within the mat is caused by shear and displacement forces applied to the wood particles, such that the shingled nature of the mat is modified to reduce or eliminate resulting lateral movement of the press components.

摘要翻译： 在加热和压制面板期间，在某些刨花板工艺中发生压机的可移动部分的机架或横向运动。 这是由于在形成垫子期间木材颗粒的缠结。 为了消除或减少压机的运动，垫子通过位于成形设备和压机之间的相对小直径的辊进行滚动接合。 辊使垫子向下滚动压力。 外周辊表面与新形成的垫的上表面接触，并且具有与垫支撑件的运动速度和运动方向相同的线速度和运动方向。 垫内产生的波浪作用是由施加在木材颗粒上的剪切力和位移力引起的，从而改变垫子的带状特征以减少或消除压榨部件的横向移动。