Vol. 51 No. 3 (2014)   Machinery, Equipment & Infrastructure
Technical Papers

Development of Strip Shape Meter with High Accuracy Under Severe Conditions of Hot Strip Mill

SHINYA KANEMORI
RYOHEI KINOSE
SHUJI MANIWA
TAKAO OWADA
HIDEAKI FURUMOTO
SHIGEKI SUEDA

Mitsubishi-Hitachi Metals Machinery, Inc. has developed and has been manufacturing and marketing contact type inline strip shape meters for hot rolling in order to enable continuous accurate measuring of strip shape during rolling and improve strip threading stability on hot strip mills. The inline strip shape meter is designed to accurately measure the shape of a strip, even under a harsh, hot, humid and dusty environment. This shape meter consists of seven segmented rolls aligned in the strip width direction. Low hysteresis is attained by applying torque meters at each segment. In addition, an internal water cooling system is employed and it was confirmed that sufficient durability, even in harsh environments, was established. The strip shape meter has been operating satisfactorily for more than eight years on an actual hot strip mill. This paper describes the development details of the strip shape meter.