PRINTING GROUPS OF A PRINTING MACHINE

摘要

The invention relates to a printing group of a printing machine. Said printing group comprises a printing cylinder and an inking system comprising a first, second and third distributing cylinder, in addition to a plurality of inking cylinders and inking rollers. Ink can be fed by the first distributing cylinder along a first, front inking path to the second distributing cylinder and along a second, rear inking path to the third distributing cylinder of the printing cylinder. An inking cylinder is displacebly arranged in the inking system such that the colour thereof is optionally maintained due to contact with the first distributing cylinder or the second distributing cylinder, according to the length of the roller of the second inking path.