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Dynamics analysis and control of rolling mill vibration system with nonlinear vibration absorber
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Fei LIU1, 2, Mengyu FENG1, 2, Chao MA1, 2, Ruixue LUO1, 2, 3
Journal of Mechanical Strength | 2025, 47(5) : 12 - 18
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Journal of Mechanical Strength | 2025, 47(5): 12-18
• Vibration·Noise·Monitoring·Diagnosis •
Dynamics analysis and control of rolling mill vibration system with nonlinear vibration absorber
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Fei LIU1, 2, Mengyu FENG1, 2, Chao MA1, 2, Ruixue LUO1, 2, 3
Affiliations
  • 1.College of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
  • 2.Shaanxi Key Laboratory of Intelligent Monitoring of Mine Electromechanical Equipment, Xi’an 710054, China
  • 3.Xi’an Key Laboratory of Electrical Equipment Condition Monitoring and Power Supply Security, Xi’an 710054, China
Published: 2025-05-15 doi: 10.16579/j.issn.1001.9669.2025.05.002
Outline
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Aiming at the problem of nonlinear vertical vibration control during the dynamic rolling of strip mills, a nonlinear vibration absorber with the disc spring was designed. Firstly, considering the constraints of dynamic rolling force of the rolling mill in the vertical direction, the mathematical model of the rolling mill under the control of the nonlinear vibration absorber was established, the amplitude-frequency characteristic curve equation of the system was solved by the multi-scale method, and the influence of damping, excitation amplitude and nonlinear stiffness on the vibration suppression effect of nonlinear dynamic vibration absorber was discussed. Secondly, by analyzing the spectrum curve and time domain curve, the vibration absorber device could increase the distance between the resonance frequency and the main resonance frequency, and shorten the time of the rolling mill system from the unstable state to the stable cycle was concluded. The results show that the addition of nonlinear vibration absorber can effectively increase the anti-vibration ability of the system and suppress the vertical vibration of the system.

Rolling mill  /  Vertical vibration  /  Nonlinear vibration absorber  /  Multi-scale method  /  Amplitude-frequency characteristic
Fei LIU, Mengyu FENG, Chao MA, Ruixue LUO. Dynamics analysis and control of rolling mill vibration system with nonlinear vibration absorber[J]. Journal of Mechanical Strength, 2025 , 47 (5) : 12 -18 . DOI: 10.16579/j.issn.1001.9669.2025.05.002
Funding
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  • National Natural Science Foundation of China(51905416)
  • Scientific Research Program of Shaanxi Provincial Department of Education(20JK0758)
Appendix
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Year 2025 volume 47 Issue 5
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60
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Article Info
doi: 10.16579/j.issn.1001.9669.2025.05.002
  • Receive Date：2023-10-19
  • Online Date：2026-03-19
  • Published：2025-05-15
Article Data
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History
  • Received：2023-10-19
  • Revised：2023-11-16
Funding
National Natural Science Foundation of China(51905416)
Scientific Research Program of Shaanxi Provincial Department of Education(20JK0758)
Affiliations
    1.College of Electrical and Control Engineering, Xi’an University of Science and Technology, Xi’an 710054, China
    2.Shaanxi Key Laboratory of Intelligent Monitoring of Mine Electromechanical Equipment, Xi’an 710054, China
    3.Xi’an Key Laboratory of Electrical Equipment Condition Monitoring and Power Supply Security, Xi’an 710054, China

Corresponding:

FENG Mengyu, E-mail：
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
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Genus		 种数
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Percentage of total
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鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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