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| DISCUSSION ON APPLICABILITY OF TENSION EQUATION IN CONTINUOUS ROLLING |
| Zhang Jinzhi (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing) |
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Cite this article:
Zhang Jinzhi (Central Iron and Steel Research Institute; Ministry of Metallurgical Industry; Beijing). DISCUSSION ON APPLICABILITY OF TENSION EQUATION IN CONTINUOUS ROLLING. Acta Metall Sin, 1982, 18(6): 755-762.
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Abstract An analysis and discussion were made of the evidence whether the conventional differential equation is proper to calculate the dynamic transition process. It has been proved that the equation is applicable to all continuous rolling conditions of tension less than the elastic limit, however, the error may only be introduced by the neglected term (1+σ/E). The analytical solution of the equation gives not only clarifying the physical nature of rolling practice but also improving the accuracy and amount of the dynamic analogue calculation. Combining the aforementioned conventional differential equation with the balance equation of total tension, a discrete tension formula is then derived for dynamic guage change and strip threading procedure.
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Received: 18 June 1982
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