Patent ID: 6644188
Filing Date: 2003-11-11
Classification: B41F,B41P

Abstract:
A method of exchanging a printing cylinder sleeve in a printing machine, which printing machine comprises a central cylinder and a plurality of ink units adapted to be adjusted against the central cylinder, each ink unit comprising a plate cylinder having a printing cylinder sleeve mounted on a mandrel, and a detachable bearing for supporting the mandrel, the method comprising the following steps, which are performed while the printing machine is running:moving one said plate cylinder away from the central cylinder to such an extent that a space formed between said one plate cylinder and the central cylinder becomes large enough for gripping the printing cylinder sleeve of said one plate cylinder, bringing a safeguard into a position in which it shields a part of an end face and a part of the peripheral surface of the central cylinder facing the plate cylinder, detaching the bearing associated with said one plate cylinder, and withdrawing the printing cylinder sleeve of said one plate cylinder axially from the mandrel associated with said one plate cylinder.