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Furukawa Review No.18

Upgrading of Hot Finishing Mill to 4-Stands,and Replacement of Computer Control System

Hiromi Hirono, Toshio Sakai, Shigeru Hishikawa, Hideshi Karakawa, Hiroyuki Kobayashi, Takashi Sakai, Mamichi Tsuyuki, Tomoaki Mizutani, Hiroyuki Yanagisawa

Abstract

Since 1994, in response to increasing demand for can body stock and other aluminum strip products and to users' requirements for higher quality, work has been going forward on a program to upgrade the hot finishing mill at the Fukui Works. Phase I of the program involved expansion to 4 stands and introduction of a new computer control system, and went into service in March 1997. The result has been the capability of high-speed rolling of thinner strips providing increased capacity, together with significant improvements in thickness accuracy due to the introduction of the new control technology as well as in the properties of the material and other aspects of quality. Phase II of the upgrade--introduction of a computer control system for the rougher--went forward to completion in March 1998.

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