
The vertical mill hydraulic pipeline has large vibrations

Research on nonlinear dynamic vertical vibration Nature
2024年11月27日 Vibration in rolling mills has been widely studied in the field of rolling In 2023年12月22日 At present, the research on the vibration of the cold rolling mill mainly focuses on vertical vibration [5], horizontal vibration [6], torsional vibration [7], and coupling vibration in different directions [8]Rolling speed [9], friction and lubrication [10, 11], structural gap, etc would cause abnormal vibration of the cold rolling system [12], and the impact of nonlinear factors Vertical nonlinear vibration analysis of cold rolling mill processes Article Research on the Vertical Vibration Characteristics of Hydraulic Screw Down System of Rolling Mill under Nonlinear Friction Yongshun Zhang 1,2, Wanlu Jiang 1,3,*, Yong Zhu 4,* and Zhenbao Li 1 1 Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao , China; Research on the Vertical Vibration Characteristics of Hydraulic cle damper installed on hydraulic pipeline were investigated It is found that the vibration of the pipeline decreases first and then increases with the increase of particle filling rateDesign of a particle damper and experimental study on vibration

The Vibration Analysis of 5000mm Mill Hydraulic System Return
2012年7月27日 The Vibration Analysis of 5000mm Mill Hydraulic System Return Pipes Based on LANCE Vibration Test System Authors: Kun Tong, Dongwei Liang, Jinchun Song, use Lance vibration test system to measure the vibration of pipeline, analyze the vibration frequency of the pipeline, look for the vibration source, and provide theories2022年3月28日 Through the analysis of the current research status of hydraulic pipeline vibration control, it can be seen that although passive vibration control has the advantages of a clear vibration reduction mechanism, simple structure, no need for energy input and easy implementation, its control frequency range is narrow, and it can only control highorder Pipeline Vibration Control Using Magnetorheological Damping 2019年11月2日 The rolling mill with hydraulic system is widely used in the production of strip steel For the problem of vertical vibration of the rolling mill, the effects of different equivalent damping coefficient, leakage coefficient, and proportional coefficient of the controller on the hydraulic screw down system of the rolling mill are studied, respectively First, a vertical Research on the Vertical Vibration Characteristics of Hydraulic Screw 2020年1月1日 Adaptive Fuzzy Vertical Vibration Suppression Control of the MechanicalHydraulic Coupling Rolling Mill System With Input DeadZone and Output Constraints January 2020 IEEE Access PP(99):11(PDF) Adaptive Fuzzy Vertical Vibration Suppression Control of

Study on the effect of rolling mill dynamic stiffness on coupled
2024年1月21日 Considering the effects of vertical vibration displacement and horizontal vibration displacement of work rolls, a CNNBNLSTM dynamic rolling force prediction model based on the combination of one 2014年7月25日 In this paper, vibration characteristics of a Vertical Roller Mill (VRM) are studied by using physical parameters of an operating VRM The mathematical model is derived and simulated for a set of Vibration Analysis of a Vertical Roller Mill: Modeling and Validation2022年8月1日 The vibration mechanism of aviation hydraulic pipelines has received extensive attention in the past decades For example, Ouyang et␣al [3], [4] conducted the vibration behavior of complex hydraulic pipeline systems in aircraft The results showed that the natural frequency was affected greatly by the length of the pipeline between supportsA dynamic modeling approach for vibration analysis of hydraulic 2021年1月18日 Amplitudefrequency curve of the coupled vibration system of hot rolling mill with gap Δx = 0 mm (a) Amplitudefrequency curve of horizontal direction; (b) Amplitudefrequency curve of vertical Vertical–Horizontal Coupling Vibration of Hot Rolling Mill Rolls

Application of dynamic vibration absorber for vertical vibration
ORIGINAL PAPER Application of dynamic vibration absorber for vertical vibration control of corrugated rolling mill Dongping He1,2 • Huidong Xu1,2 • Ming Wang1,2 • Tao Wang1,2 • Chaoran Ren1,2 • Zhihua Wang1,2 Received: 1 October 2022/Revised: 27 November 2022/Accepted: 30 November 2022/Published online: 17 April 2023HRM1700MVRM Free download as PDF File (pdf), Text File (txt) or read online for free The document provides installation and operation instructions for the HRM1700M Vertical Roller Coal Mill It describes the mill's technical Operation Manual: HRM1700M Vertical Roller Coal Milland / / : : : : :Hydraulic Pipeline with a Clamp ResearchGateMetals 2021, 11, 170 4 of 24 Figure 2 Structure diagram of a fourhigh hot rolling mill 21 Piecewise Nonlinear Spring Force Model The hydraulic elastic stiffness refers to the nonlinear Vertical–Horizontal Coupling Vibration of Hot Rolling Mill Rolls

Relationship between tension and vertical vibration of roll
There are many reasons for roll system vibration, such as roll damage, roll bearing failure [9], [10], [11], and fluctuations in rolling parameters [12], [13], [14]The current research on abnormal vibration in the roll system for the twentyhigh rolling mill includes: Wu et al [15], [16] developed a roll system dynamics model based on timevarying contact stiffness to address roll surface 2021年1月29日 Objective of this research paper is process optimization of Vertical roller mill, improvement in productivity and reduction in vibration breakdowns using seven QC toolsIncrease productivity of vertical roller mill using seven QC toolsII DRIVE TRAIN DYNAMICS A Rolling Mills Drive Trains Design There are several drive train types which are used in the hot rolling mills (see Fig 1) The first type (slabbing,Transient Torsional Vibration Control in the Rolling Mills (556)e relevant time function F r(t) can be obtained by solving equation (18) or (19) Hence, the response of the fluidsolid coupling vibrations in the hydraulic pipeline systemisAnalyticalMethodforFluidSolidCouplingVibrationAnalysisof

Modeling and vertical torsional coupling vibration control of the
2022年3月14日 This article establishes a mechanicalelectricalhydraulic vertical torsional coupling vibration mathematical model, and investigates its vibration suppression control strategy with time varying full state constraints for the rolling The large vertical mill has complicated structure and tens of thousands of parts, which is a critical grinding equipment for slag and cinder As large vertical mill always works in severe Vertical mill and its schematic diagram: (a) vertical 2022年12月15日 A multibranch pipeline is a typical structure, which is widely used in aerospace, marine and other hydraulic systems The multibranch pipeline suffers serious vibration from fluid–structure Vibration Analysis of MultiBranch Hydraulic Pipeline System 2018年6月1日 Download Citation Friction coupling vibration characteristics analysis of aviation hydraulic pipelines considering multi factors As the power transmission system of an aircraft, a hydraulic Friction coupling vibration characteristics analysis of aviation

A health management system for large vertical mill ResearchGate
2020年3月1日 The large vertical mill has complicated structure and tens of thousands of parts, which is a critical grinding equipment for slag and cinder As large vertical mill always works in severe Due to the fact that most of the piping design codes (ASME B313, B311, B314, B 318, etc) do not address the vibration issues in a detailed fashion, the damaging effect is normally ignored during the design stage and simple static analysis without attention to vibration is performed on piping systems At the same time, the piping vibration tendency is increasing to a great extent Common Causes of Piping Vibration: How to Reduce Pipe Vibration?2017年4月10日 Dr Matt Straw and Alex Read look at the phenomena termed flowinduced vibration, where the internal flow of process fluids within a pipeline or piping system causes some form of vibration of the pipe Pipeline and piping vibration can cause a range of issues from reduced process efficiency and unplanned shutdowns to decreased equipment life or Pipeline flowinduced vibration Engineer Livepresence of large forces (eg: large unbalance, malalignment, high vane passing pulsations, etc) and dynamic amplification of the internally generated forces by a structural resonance, as the type of corrective measure will be different Three classes of problem can be envisioned: high vibration, acceptable forces, structural resonanceMachinery Vibration Limits#8 Wood

Vertical–Horizontal Coupling Vibration of Hot Rolling Mill Rolls
2021年1月18日 This study establishes a vertical–horizontal coupling vibration model of hot rolling mill rolls under multipiecewise nonlinear constraints considering the piecewise nonlinear spring force and piecewise nonlinear friction force constraints of the hydraulic cylinder in the vertical direction of the rolls, the piecewise stiffness constraints in the horizontal direction, and The dynamic effect of workroll oxidefilm periodic spalling on vertical vibration in a hot strip rolling mill was studied Based on dynamic monitoring test analysis, the friction of the workroll The vibration model of the rolling mill system2024年1月21日 The productivity and capacity release of hotstrip rolling is severely limited by pendular vibration Previous studies on mill vibration have investigated the influence of rolling parameters on vertical vibration; however, the influence of dynamic stiffness compensation factors on vertical vibration has not yet been considered owing to the limitations of modelling Study on the effect of rolling mill dynamic stiffness on coupled 2023年12月22日 At present, the research on the vibration of the cold rolling mill mainly focuses on vertical vibration [5], horizontal vibration [6], torsional vibration [7], and coupling vibration in different directions [8]Rolling speed [9], friction and lubrication [10, 11], structural gap, etc would cause abnormal vibration of the cold rolling system [12], and the impact of nonlinear factors Vertical nonlinear vibration analysis of cold rolling mill

Research on the Vertical Vibration Characteristics of Hydraulic
processes Article Research on the Vertical Vibration Characteristics of Hydraulic Screw Down System of Rolling Mill under Nonlinear Friction Yongshun Zhang 1,2, Wanlu Jiang 1,3,*, Yong Zhu 4,* and Zhenbao Li 1 1 Hebei Provincial Key Laboratory of Heavy Machinery Fluid Power Transmission and Control, Yanshan University, Qinhuangdao , China; cle damper installed on hydraulic pipeline were investigated It is found that the vibration of the pipeline decreases first and then increases with the increase of particle filling rateDesign of a particle damper and experimental study on vibration 2012年7月27日 The Vibration Analysis of 5000mm Mill Hydraulic System Return Pipes Based on LANCE Vibration Test System Authors: Kun Tong, Dongwei Liang, Jinchun Song, use Lance vibration test system to measure the vibration of pipeline, analyze the vibration frequency of the pipeline, look for the vibration source, and provide theoriesThe Vibration Analysis of 5000mm Mill Hydraulic System Return 2022年3月28日 Through the analysis of the current research status of hydraulic pipeline vibration control, it can be seen that although passive vibration control has the advantages of a clear vibration reduction mechanism, simple structure, no need for energy input and easy implementation, its control frequency range is narrow, and it can only control highorder Pipeline Vibration Control Using Magnetorheological Damping

Research on the Vertical Vibration Characteristics of Hydraulic Screw
2019年11月2日 The rolling mill with hydraulic system is widely used in the production of strip steel For the problem of vertical vibration of the rolling mill, the effects of different equivalent damping coefficient, leakage coefficient, and proportional coefficient of the controller on the hydraulic screw down system of the rolling mill are studied, respectively First, a vertical 2020年1月1日 Adaptive Fuzzy Vertical Vibration Suppression Control of the MechanicalHydraulic Coupling Rolling Mill System With Input DeadZone and Output Constraints January 2020 IEEE Access PP(99):11(PDF) Adaptive Fuzzy Vertical Vibration Suppression Control of 2024年1月21日 Considering the effects of vertical vibration displacement and horizontal vibration displacement of work rolls, a CNNBNLSTM dynamic rolling force prediction model based on the combination of one Study on the effect of rolling mill dynamic stiffness on coupled 2014年7月25日 In this paper, vibration characteristics of a Vertical Roller Mill (VRM) are studied by using physical parameters of an operating VRM The mathematical model is derived and simulated for a set of Vibration Analysis of a Vertical Roller Mill: Modeling and Validation

A dynamic modeling approach for vibration analysis of hydraulic
2022年8月1日 The vibration mechanism of aviation hydraulic pipelines has received extensive attention in the past decades For example, Ouyang et␣al [3], [4] conducted the vibration behavior of complex hydraulic pipeline systems in aircraft The results showed that the natural frequency was affected greatly by the length of the pipeline between supports