| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a printing machine which shortens a cleaning time without making equipment constitution complicated and expensive. <P>SOLUTION: A sheet-feed printing machine 1 is equipped with: an ink cleaning device 47 wherein a cleaning fluid supplied intermittently to an ink distributing roller 35a is transferred sequentially on the peripheral surface of each ink roller and scraped off by an ink reciprocating roller 33a, so as to clean each inking roller; a blanket cleaning device 59 which wipes and cleans the surface of a blanket fitted on a blanket cylinder 19; an impression cylinder cleaning device 71 which wipes and cleans the surface of an impression cylinder 21; and a cleaning control part 93 which controls the operation of each cleaning device. The cleaning control part 93 is provided with a low-speed ink cleaning operation mode T wherein the time from the last supply of the cleaning fluid to the end of scraping in the ink cleaning device 47 is made longer than the ordinary and a shortened operation mode TN wherein the ink cleaning device 47 operated in the low-speed ink cleaning operation mode T and the blanket cleaning device 59 are operated in parallel. <P>COPYRIGHT: (C)2008,JPO&INPIT |
