Process for setting the halftone dot sizes for a rotary offset p

Details Process for setting the halftone dot sizes for a rotary offset p Process for setting the halftone dot sizes for a rotary offset p

1992-03-23

1997-02-11

Coles, Sr., Edward L.

395114, G06F 1500

Patent

active

056029705

ABSTRACT:
The present invention pertains to a process for setting the halftone dot sizes for a rotary offset printing machine, in which average set values based on production technical situations are predetermined for the halftone dot sizes of the printing block, the printing characteristics of the rotary offset printing machine are detected, and compensation measures are introduced in the case of deviations in the printing characteristics from set values; in order to improve the reproduction accuracy, the average set values of the halftone dot sizes are varied in the manner of inking system for setting the individual inking systems of the rotary offset printing machines in the preparation of the printing block, taking into account the deviation trends of the evidenced printing characteristics; as an alternative or in addition, color separation images of the printed original are displayed on the image screen of a color simulation computer; the halftone dot sizes of the color separation displays on the image screen are varied within predetermined tolerances and based on reviewed printing characteristics data of past productions; and the rotary offset printing machine is controlled corresponding to the tolerance sensitivity of the printed original.

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