Ultrasonic technique for measurement of oil-film thickness in metal cold rolling

Ultrasonic technique for measurement of oil-film thickness in metal cold rolling
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金属冷轧油膜厚度超声波测量技术

DOI:
10.1080/17515831.2021.1944549
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发表时间:
2021
期刊:
Tribology - Materials, Surfaces & Interfaces
影响因子:
--
通讯作者:
Adeyemi G
Adeyemi G
中科院分区:
--
文献类型:
--
作者:
Adeyemi G

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在金属冷轧操作中,润滑是必不可少的,以调节金属-轧辊界面处的摩擦,减少能量损失并提高产品表面光洁度。一种新的非侵入性的一发一收技术,基于超声波的反射,被用于在中试轧机上评估金属冷轧操作过程中金属-轧辊界面处的油膜厚度。在金属轧制过程中,在不同的轧制载荷和轧制速度下,测量了油膜厚度。油膜厚度随辊速的增加而增加,随轧制负荷的增加而减小。用这种非侵入式超声技术测得的油膜厚度值与理论值相符。这项研究是一个概念的证明,并显示出有希望的结果。如果进一步发展,该技术可用于金属轧制工业轧制过程中润滑油的在线监测。
Lubrication is essential in metal cold rolling operation to regulate friction at the metal–roll interface, reduce energy loss and improve the product surface finish. A novel non-intrusive pitch-catch technique, based on the reflection of ultrasound, was employed on a pilot mill to evaluate oil-film thickness at the metal–roll interface during the metal cold rolling operation. During the metal rolling process, oil-film thickness was measured under varying rolling load and rolling speed. The oil-film thickness increases as the roll speed increases and reduces as the rolling load increases. The values of oil-film thickness obtained from this non-intrusive ultrasonic technique agree with theoretical values. This study is a proof of concept and has shown promising results. If further developed, the technique could be employed forin situmonitoring of lubricant during rolling operation in metal rolling industries.
金属轧制中带材厚度和辊咬长度的非侵入式测量
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