Effect of Front Tension on Strip Rolling Analysed by Photo-Rheological Method

概要

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Formerly, the photo-rheological stress analysis was applied for finding stress distributions in the roll and strip specimens in strip rolling. In the strip rolling, however, a method in which the strip is subjected to front tension with rolling torque has been applied for improving the process. In the present paper, the photo-rheological stress analysis is applied to analyse the effect of front tension on the stress distribution in the roll and strip specimens. As the result of analysis, the effect of front tension on the rolling appeared as follows: 1) on the roll specimen, the stress components in the specimen and the normal pressure on the contact surface decrease considerably with increase of the front tension. 2) on the strip specimen, though the effect of front tension does not appear so remarkably as in the roll, the residual stress after rolling fairly decreases with increase of the front tension.
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