ISIJ International
Online ISSN : 1347-5460
Print ISSN : 0915-1559
ISSN-L : 0915-1559
Effects of Rolling Conditions on Rolling Load, Rolling Torque and Power Consumption in Heavy Reduction Rolling by the Rotary Reduction Mill
Kazuyuki NakasujiKouichi KurodaChihiro Hayashi
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1995 Volume 35 Issue 2 Pages 188-196

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Abstract

The Rotary Reduction Mill, called the RRM, has been developed to reduce solid metallic materials efficiently in a one-pass operation. This RRM is a rotary mill, in which three rolls are arranged around the pass line, and the roll-axes are inclined or are inclinable to the pass line. This paper reports the effect of rotary rolling conditions on rolling load, rolling torque and power consumption in the RRM. To investigate the effect, heavy-reduction rolling was carried out by hot-rolling solid materials, such as C-steel (S45C), stainless steels and high-Ni alloys, in the RRM. In this paper, first, the effect of face angle of rolling (i.e. "roll face angle minus cross angle") on feed efficiency will be discussed. Next, the effects of various other rotary rolling conditions (including cross and feed angles, face angle of rolling, elongation ratio, rolling temperature, roll surface conditions and roll diameter) on rolling load, rolling torque and power consumption in rotary rolling will be described in detail.

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