贴膜机包括一对定位辊，一对贴膜辊，一对出口夹辊。．贴膜辊由带有调节器的气缸控制。膜卷轴为气涨轴，固定座为安全夹头，单侧带气压调整制动器。膜卷放置座可通过手轮调整移动膜和板的位置关系。光纤检测板头自动定位，伺服电机驱动刀片将两张板之间的保护膜自动切断。反面切膜采用电阻丝切断的方式，放膜座可整体移出机台下方，上膜方便。
The system includes : 2 pneumatic expandable shatts for PVC film reel holding , The braking effect of film reel 15 by means of expanding shoes controlled by pneumatic cylinder equipped with pressure regulators . The brak 一 ing system does not call for any adiustment atter the removal of the shatt to change the reels . One couple of rolls for sheet positioning . One couple of pressure roll , the rubbercoveredpressurerollsarecontrolledbypneu 一 matic cylinders equipped with preSSure regUlators . Onecouple of exit pinch / feeding roll . Optical fibre detects the front end of sheet and positioning it automatically . Moving blade driven by the servo motor cuts off the film between 2 SheetS .