Printer unit for rolling offset printing machine, has ink form roller with lining, which is softer than reference lining with layer thickness and hardness of specific value, where roller is engaged in operation against form cylinder

摘要

The unit has a form cylinder (03) including an ink form roller (09). The form cylinder is hooked with a channel, which is axially proceeded, in a printing plate. The ink form roller is engaged in operation against the form cylinder. The ink form roller has an ink form roller lining, which is softer than a reference lining with a layer thickness of maximum 15 millimeter and a hardness of 20 ShA. An independent claim is also included for a method of determining a spring characteristics of damp or ink form roller lining.