B - Operations – Transporting – 41 – F
Patent
B - Operations, Transporting
41
F
101/103, 354/30
B41F 31/14 (2006.01) B41F 31/00 (2006.01) B41F 33/00 (2006.01)
Patent
CA 1318184
ABSTRACT Process for the determination of the consumption of printing ink in an offset printing press. A process is proposed with which the consumption of printing ink in an offset printing press can be determined. The consumption is determined from the settings of the inking-gap openings. These inking-gap openings form the ink-form thickness (SF) that is transferred onto the ink-duct roller. Furthermore, the ink-strip width (bF), which is determined by the rotational speed of the ink-duct roller, and the ink-strip length (lF) according to the length of the ink-duct roller are decisive with regard to ink consumption. The data are supplied to the computer of the control desk of a printing press. The calculation must additionally take account of both printing-press-specific and also ink-specific values, such as ink temperature, type of paper etc. The accuracy of the ink-consumption calculation can be optimized by means of area-coverage proportions of the printing plate, as determined by by printing-plate reader and ink-film-measuring system, and ink-film thicknesses on the printed sheet. (Fig. 4)
611478
Kipphan Helmut
Laubmann Gerd
Rodi Anton
Heidelberger Druckmaschinen Aktiengesellschaft
Johnson Douglas S. Q.c.
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