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首页> 外文期刊>塑性と加工 >Cross Buckle in Temper Rolling of Ultrathin Annealed Strips
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Cross Buckle in Temper Rolling of Ultrathin Annealed Strips

机译：交叉扣在超薄退火带回火轧制中的应用

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摘要

It is well known that "cross buckles" occur in temper rolling of ultrathin annealed strips with large-diameter work rolls. Although this phenomenon was experimented in the case of cold rolling of thin strips with small-diameter work rolls, there have not been any reports on the phenomenon in the case of temper rolling. The mechanism of the phenomenon has not yet been clearly explained. In this paper, the effect of several rolling conditions on the bucking phenomenon is investigated in laboratory rolling. Results show that delivery tension predominantly affects the phenomenon. The buckling form changes from an edge buckle, to a cross buckle to flat depending on delivery tension. This tendency is the same for other rolling conditions in which the roll crown or roll roughness is changed. In addition, a hypothetical mechanism is discussed. It is hypothesized that not only compressive stress in the width direction but also a relative difference in elongation in the rolling direction affect the cross buckling phenomenon.
机译：众所周知，在具有大直径工作辊的超薄退火带的回火轧制中会发生“交叉弯曲”。尽管这种现象是在小直径工作辊的薄带冷轧的情况下进行的，但没有关于平整轧制的现象的报道。现象的机理尚未明确解释。本文在实验室轧制中研究了几种轧制条件对屈曲现象的影响。结果表明，输送张力主要影响该现象。屈曲形式从边缘带扣到交叉带扣变为扁平，具体取决于输送张力。对于其他改变辊凸度或辊粗糙度的轧制条件，这种趋势是相同的。另外，讨论了一种假设机制。假设不仅在宽度方向上的压缩应力而且在轧制方向上的伸长率的相对差异都影响交叉屈曲现象。

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