B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
B41F 33/00 (2006.01) B41F 13/56 (2006.01) B65H 35/02 (2006.01)
Patent
CA 2596787
A method for automatically controlling the cut-off register in a web-fed rotary press includes determining an expected cut-off error in the area of harps for one of webs or partial webs before the formation of strands and automatically controlling the cut-off register of the one of the webs or partial webs by rotating plate cylinders involved in the printing of the respective web or partial web on the basis of the expected cut-off error thus determined for each web or partial web. The method further includes determining an expected cut-off error in the area of the folder upper section for at least some strands before a complete strand is formed, and automatically controlling the cut- off register by displacement of register rollers located downstream of the former in which the at least some strands are quarter-folded on the basis of the expected cut-off error thus determined for the at least some strands.
Man Roland Druckmaschinen Ag
Manroland Ag
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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