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2. 发明公开

EP0835836A2 Automated folder nipping roller adjustment 失效
标题翻译： Einstellung von Presspaltrollen在einem automatischen Falzapparat
公开(公告)号：EP0835836A2
公开(公告)日：1998-04-15
申请号：EP97115958.7
申请日：1997-09-12
申请人： Goss Graphic Systems, Inc.
发明人： Jackson, John C. , Donaldson, Peter A. , Sharples, Ian A.
IPC分类号： B65H45/12
CPC分类号： B65H20/02 , B65H2511/22 , B65H2555/24 , B65H2220/11 , B65H2220/02
摘要： Web feed apparatus , for example in web printing and folding apparatus, has a pair of opposing rollers, one (28) on a fixed axis and one (22) laterally movable to define an adjustable nip gap between their peripheries. The gap is automatically set and adjusted by a setting screw (4) driven by a servo motor (60) with rotation of the screw monitors by a potentiometer sensor (64). A stop collar (52) on the screw limits axial displacement thereof to determine the set nip gap and a spring (50) urges the rollers towards each other but permits displacement under overload conditions. A rectilinear sensor (54) senses said conditions by monitoring relative displacement by of the stop collar and a programmable control system processes signals from the sensors and operates the servo motor accordingly.
摘要翻译：卷筒纸进给装置，例如在卷筒印刷和折叠装置中，具有一对相对的辊，一个固定轴上的一个（28），一个（22）可横向移动以在其周边之间限定可调节的辊隙。通过由电位计传感器（64）旋转螺杆监视器的由伺服电机（60）驱动的调节螺钉（4）自动设定和调整间隙。螺钉上的止动环（52）限制其轴向位移以确定设定的夹紧间隙，并且弹簧（50）将辊朝向彼此推动，但允许在过载条件下的位移。直线传感器（54）通过监测止挡环的相对位移来检测所述条件，并且可编程控制系统处理来自传感器的信号并相应地操作伺服电动机。

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