METHOD OF ROLLING BAR STEEL

METHOD OF ROLLING BAR STEEL

PROBLEM TO BE SOLVED: To provide a method of rolling bar steel which can reduce surface flaws to be caused by pressing down the tail end part and the head part increased in width dimension by screwing down the rolling rolls with the rolling rolls in the next pass. SOLUTION: In the method of rolling...

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Hauptverfasser: MUROYA YUKI, SHIRANO GO, DOBASHI TOMOYA, KUSHIDA HITOSHI, SAKAI HIDENORI
Format: Patent
Sprache:eng
Schlagworte:
MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
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creator MUROYA YUKI
SHIRANO GO
DOBASHI TOMOYA
KUSHIDA HITOSHI
SAKAI HIDENORI
description PROBLEM TO BE SOLVED: To provide a method of rolling bar steel which can reduce surface flaws to be caused by pressing down the tail end part and the head part increased in width dimension by screwing down the rolling rolls with the rolling rolls in the next pass. SOLUTION: In the method of rolling the bar steel by which a rolled stock 2 is finished into a prescribed dimensions by rolling it with the rolling rolls 1 of a plurality of rolling stand rows installed at prescribed intervals by sharing into a plurality of passes and while successively changing the screw-down direction and reducing the cross-sectional area of the rolled stock 2, the tail end part and/or the head part of the rolled stock 2 is rolled by supplying a lubricant 3 between the surfaces of the rolling rolls 1 and the surface of the rolled stock 2 only when rolling the tail end part and/or the head part of the rolled stock 2. COPYRIGHT: (C)2009,JPO&INPIT
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subjects MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVINGMATERIAL
PERFORMING OPERATIONS
PUNCHING METAL
ROLLING OF METAL
TRANSPORTING
title METHOD OF ROLLING BAR STEEL
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