ROLLER LEVELER AND SHEET-MATERIAL FLATTENING METHOD

A roller leveler for flattening sheet material includes: a leveling roll unit that has a plurality of leveling rolls configured to rotate so as to pass the sheet material while sandwiching and pressing the sheet material interposed therebetween; pushing cylinders configured to press the sheet materi...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	ABE KEIZO
Format:	Patent
Sprache:	eng
Schlagworte:	MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL PERFORMING OPERATIONS PUNCHING METAL TRANSPORTING WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS ORPROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL
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Beschreibung
Zusammenfassung:	A roller leveler for flattening sheet material includes: a leveling roll unit that has a plurality of leveling rolls configured to rotate so as to pass the sheet material while sandwiching and pressing the sheet material interposed therebetween; pushing cylinders configured to press the sheet material via the leveling rolls and provided on each of an entrance side and a discharge side of the leveling roll unit, on which the sheet material enters and is discharged into and from the leveling roll unit, respectively; and a driving mechanism configured to rotate the leveling rolls to pass the sheet material, wherein the plurality of leveling rolls are designed so that a diameter thereof satisfies a relation, 0.5