METHOD FOR STARTING UP A WEB-FED ROTARY PRINTING PRESS

A method for starting up a web-fed printing machine, in which a web to be printed on is guided through at least one printing gap formed by a printing cylinder and a counter printing cylinder of the web-fed printing machine; the printing cylinder accelerates to a print-on speed (Nprint-on) in a posit...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: BURRI DANIEL, ZEHNDER THOMAS
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A method for starting up a web-fed printing machine, in which a web to be printed on is guided through at least one printing gap formed by a printing cylinder and a counter printing cylinder of the web-fed printing machine; the printing cylinder accelerates to a print-on speed (Nprint-on) in a position retracted from the web and is applied to the web; and at least during a partial phase of the acceleration of the printing cylinder, the web is stationary or is conveyed at an initial speed (Nin) which is lower than the current speed of the printing cylinder.