ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Development of a High Speed Cold Rolling Oil with Mill Cleanness Property
Seog-Young HanKyo-Bong Song
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1998 Volume 38 Issue 4 Pages 366-370

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Abstract

The purpose of this study was to develop a cold rolling oil with lubricity and mill cleanness property under the rolling conditions of high reduction ratio and high rolling speed. Seven kinds of test oils composed of various base oils, emulsifiers, EP additives, anti-oxidants etc. were blended. Evaluation of lubricity and anti-seizure property of the test oils was carried out with a laboratory scale rolling mill, where the contact conditions between work roll and strip are very close to those of an actual cold rolling mill. Laboratory evaluation for dispersibility, anti-contaminantion property, rust prevention property, residual carbon, etc. were carried out with several testers such as a long-term circulation tester, the oxidation stability tester and the Conradson residual carbon tester. Finally, a new high speed cold rolling oil with good lubricity and mill cleanness property was developed by referring to the previously developed high speed cold rolling oil.

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