Tetsu-to-Hagane
Online ISSN : 1883-2954
Print ISSN : 0021-1575
ISSN-L : 0021-1575
Surface Brightness of Stainless Steel Strip by Axially Ground Rolls in Cold Rolling
Hideo YAMAMOTOYukihiko MATSUDAIRATakashi SHIBAHARATakeshi MASUI
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JOURNAL OPEN ACCESS

1996 Volume 82 Issue 8 Pages 677-682

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Abstract
Recently, to improve productivity of stainless steel strip, development of cold rolling technology in tandem mill is required.
Previous research works, however, show that a surface brightness of strip decreases due to increase of micro-defects such as oil pits caused by high speed rolling with large diameter work rolls. In this paper, to obtain high brightness surface in cold rolling, a new method for decreasing micro-defects by "Axially ground rolls", which are finished by grinding to axial direction instead of conventional grinding to circumferential direction, is proposed.
Main results are as follows:
(1) The surface brightness of stainless steel strip is significantly improved by rolling with axially ground rolls.
(2) This new rolling method has an effect to decrease the oil pits and the imprint of roll asperity on strip surface due to relative slip between roll and strip.
(3) Although a rolling friction is increased by this method, an occurrence of seizure is restrained.
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© The Iron and Steel Institute of Japan

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