特点与用途:

　　书背压紧机是现代书刊装订加工的必须设备，适用于挤压书本等需要装订折页的产品，

　　包括平订、骑马钉、尤其是在胶订包本前、锁线后挤压书脊。本公司生产的YYJ-480型液压书芯压紧

　　机它的结构精细紧凑、操作方便简易、动力系统稳定可靠、生产效率高。

　　Featyres and usages

　　Back bone impacting machine is a necessary equipment for binding and

　　processing of modern books and periodicals, which is suitable for the

　　products need to be bound such as book extrusion, include flat stitching,

　　The YYJ-480 hydraulc back bone impacting machine has refine structure and

　　convenient operation. It adopts the hydraulic device that can make the

　　performance more stable and credible,high production efficiency