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首页> 外文期刊>ISIJ international >Effect of Oil Film Thickness on Lubrication Property in Hot Rolling
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Effect of Oil Film Thickness on Lubrication Property in Hot Rolling

机译：油膜厚度对热轧润滑性能的影响

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摘要

In hot rolling, lubrication between the work roll and hot strip plays an important role in reducing rolling force and protecting the work roll surface. However, the tribological behavior in hot rolling has not been clarified sufficiently. In this work, the effects of oil amount on the coefficient of friction in hot rolling were investigated in comparison with the case of cold rolling. The oil amount in hot rolling was measured by the amount of oil remaining on the work roll surface after rolling. The results of rolling tests clarified the following points: The coefficient of friction is reduced adequately with a small amount of oil. If the oil amount is increased, a few small oil-pits will form, but no further decrease in the coefficient of friction will be achieved. It is suggested that boundary lubrication is controlling in hot rolling, which is different from the case of cold rolling.
机译：在热轧中，工作辊和热轧带钢之间的润滑在降低轧制力和保护工作辊表面方面起着重要作用。但是，尚未充分阐明热轧中的摩擦学行为。在这项工作中，与冷轧相比，研究了油量对热轧摩擦系数的影响。通过轧制后残留在工作辊表面上的油量来测量热轧中的油量。滚动测试的结果阐明了以下几点：少量的机油可充分降低摩擦系数。如果增加油量，会形成一些小油坑，但摩擦系数不会进一步降低。建议在热轧中控制边界润滑，这与冷轧情况不同。

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