Interchangeable drum unit type rotary printing machine.

摘要

An interchangeable drum unit type rotary printing machine comprising an interchangeable drum unit mounting portion (3) formed in the machine body (1); an interchangeable drum unit (2) having a plurality of transversely extending blanket and plate cylinders (29,30,31,32) supported between a pair of left and right interchangeable drum unit frames (28a, 28b), said interchangeable drum unit being adapted to be mounted in the mounting portion (3) so that it may be replaced with another one; a pair of left and right interchangeable drum unit moving devices (5) adapted to move an interchangeable drum unit resting on a carriage (36) into said mounting portion (3) or move an interchageable drum unit mounted in said mounting portion onto said carriage; and a pair of left and right interchangeable drum unit fixing devices (6) for fixedly securing the interchangeable drum unit (2) to the printing machine body (1).