Modeling the Inking System of an Offset Press by means of a Laser Device.

In this paper is presented an experimental approach for the design of digital models towards the automatic control of the inking level in an offset press. The obtained models depend on the influence of the paper grade, the dot area and the press speed in the process. These models offer a possibility to describe the basic mechanisms produced by a change in the ink flow in the printing press. The main feature of this study is the use of a laser device which is developed in the laboratory of EFPG in order to carry out an open loop identification of the inking system. The experimental results are directly treated by computer; they illustrate the validity of the proposed models.