Brief description of the folding is stealthy of the sheets of paper superimposed and for a folding crusaders

摘要

In a printing process, a section (20) of web (1) consisting of several layers of paper is detached from the web and folded (13, 24) into e.g. a brochure or magazine. Two cutting or perforating and cutting units (14, 16) are positioned sequentially in the direction of motion of the web (1). The web 81) is cut by a knife (14) associated with the first longitudinal fold (13) in this sector of the machine. Another perforator/cutter (16) perforates or cuts the web (1) in the vicinity of the longitudinal fold (24), creating cross-pieces (24). The position of one or more cutting/perforating tools (34, 38) may be adjusted in relation to the web (1).