COILING CONTROL METHOD FOR ALUMINUM SHEET FOR PRINTING PLATE SUPPORTER, COILING CONTROL APPARATUS THEREOF AND COILING CONTROL PROGRAM THEREOF

PROBLEM TO BE SOLVED: To provide a method for coil control of an aluminum sheet for a printing plate supporter in which coil deviation during the carriage is suppressed in a coil of an aluminum sheet for the printing plate supporter rolled by a conventional rolling machine and having a crown of an a...

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Bibliographische Detailangaben
1. Verfasser:	YAMAMOTO KATSUHISA
Format:	Patent
Sprache:	eng
Schlagworte:	AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKINGWITHOUT ESSENTIALLY REMOVING MATERIAL CONVEYING HANDLING THIN OR FILAMENTARY MATERIAL HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS,CABLES LINING MACHINES MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES,OTHERWISE THAN BY ROLLING MATERIALS FOR SURFACES USED IN PRINTING MACHINES FOR PRINTING,INKING, DAMPING, OR THE LIKE MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PACKING PERFORMING OPERATIONS PREPARING SUCH SURFACES FOR USE AND CONSERVING THEM PRINTING PRINTING PLATES OR FOILS PUNCHING METAL STAMPS STORING TRANSPORTING TYPEWRITERS
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a method for coil control of an aluminum sheet for a printing plate supporter in which coil deviation during the carriage is suppressed in a coil of an aluminum sheet for the printing plate supporter rolled by a conventional rolling machine and having a crown of an adequate size, coil-tightening during the uncoiling operation is suppressed, and the aluminum sheet for the printing plate supporter of excellent flatness is realized with high productivity. SOLUTION: The method for coil control of the aluminum sheet for the printing plate supporter includes a step of coiling the aluminum sheet while controlling the coiling tension. Coiling is started while setting the coiling tension to be at 7.5-15 MPa when starting the coiling of the aluminum sheet for the printing plate supporter. Thereafter, the coiling tension when starting the coiling is successively reduced at the rate of 0.25-2.45 MPa/1,000 m to reach 3-12 MPa. The aluminum sheet for the printing plate supporter is coiled in a coil with the constant coiling tension of 3-12 MPa. COPYRIGHT: (C)2005,JPO&NCIPI