Abstract
This work is concerned with an experimental analysis of tandem mill control equations as developed by Hessenberg and Jenkins. A 3-stand model scale mill was used to study the effect on steady state conditions of three different forms of disturbance, namely front tension changes, screw adjustments, and variations in ingoing gauge. The object of the experiments was to investigate the conditions for maximum inherent stability of the mill as a whole unit. The effect of changes in stand rigidity and motor speed regulation are discussed in detail and conclusions drawn regarding the settings for optimum performance when the gauge is controlled by screw movements in the early stands combined with tension variations in the latter.
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