首页|Research on vibration response characteristics and evolution law of finishing rolling in hot strip mills
Research on vibration response characteristics and evolution law of finishing rolling in hot strip mills
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In this study,a comprehensive rolling mill vibration test program was designed,including specific test conditions and a test system.The analysis of measured signals reveals the vibration response characteristics and their evolution at different gauge points in the finishing mill.This is particularly evident during abnormal rolling,where the signals highlight the characteristics of abnormal responses and vibration intensities.Abnormal vibrations during the rolling process mainly occur when the strip thickness is less than 2.5 mm,and at the rolling speed-up stage,the strong abnormal vibration occurs at each measuring point on the F2 transmission side.The maximum vibration intensity of the backup roll's bearing seat is 17 mm/s.As the rolling progresses,the stress on the bolts changes.The strip thickness is negatively correlated with the peak values of bite and tail-flick impacts.The vibration characteristics vary with the strip thickness and the process state.
vibration response characteristicslaw of evolutionfinish rolling
BAI Chunlei、YU Danfeng、DING Ru
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Hot Rolling Plant,Wuhan Iron and Steel Co.,Ltd.,Wuhan 430083,Hubei,China
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