METHOD OF CONTINUOUSY HOT ROLLING SHEET BARS

A method of continuously hot-rolling sheet bars in which a roughly rolled leading sheet bar and a trailing sheet bar are abutted prior to a hot finish rolling step. Plastic deformation of either or both of the cut rear and front end portions of the leading and trailing sheet bars is applied. End por...

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Bibliographic Details
Main Authors NORIO, DAKASHIMA, TOSHISADA, DAKECHI, MASANORI, KIDAHAMA, FUJIO, AOKI, KUNIO, ISOBE
Format Patent
LanguageEnglish
Korean
Published 16.08.1995
Edition6
Subjects
CLADDING OR PLATING BY SOLDERING OR WELDING
CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING
MACHINE TOOLS
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
METAL-WORKING NOT OTHERWISE PROVIDED FOR
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
SOLDERING OR UNSOLDERING
TRANSPORTING
WELDING
WORKING BY LASER BEAM
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Summary:A method of continuously hot-rolling sheet bars in which a roughly rolled leading sheet bar and a trailing sheet bar are abutted prior to a hot finish rolling step. Plastic deformation of either or both of the cut rear and front end portions of the leading and trailing sheet bars is applied. End portions are brought into contact with each other due to metal flow, forming a gap portion between the sheet bars. The thickness of the sheet bar around the gap portion is enlarged in comparison to the thickness of the contact portions, and hot finish rolling fills the gap so that the bars are strongly joined over their width.
Bibliography:Application Number: KR19920014799