MTW European Type Trapezium Mill
Input size:30-50mm
Capacity: 3-50t/h
LM Vertical Roller Mill
Input size:38-65mm
Capacity: 13-70t/h
Raymond Mill
Input size:20-30mm
Capacity: 0.8-9.5t/h
Sand powder vertical mill
Input size:30-55mm
Capacity: 30-900t/h
LUM series superfine vertical roller grinding mill
Input size:10-20mm
Capacity: 5-18t/h
MW Micro Powder Mill
Input size:≤20mm
Capacity: 0.5-12t/h
LM Vertical Slag Mill
Input size:38-65mm
Capacity: 7-100t/h
LM Vertical Coal Mill
Input size:≤50mm
Capacity: 5-100t/h
TGM Trapezium Mill
Input size:25-40mm
Capacity: 3-36t/h
MB5X Pendulum Roller Grinding Mill
Input size:25-55mm
Capacity: 4-100t/h
Straight-Through Centrifugal Mill
Input size:30-40mm
Capacity: 15-45t/h
The influence and cause of mill vibration
Rolling process and its influence analysis on hot continuous rolling
The influence characteristics of workpiece material and specifications on rolling force are studied by experiment The relationship between rolling force and finish rolling thickness of F2 and F3 mills in rolling plain carbon steel (PCS) and container strip (SPHA) is shown in Fig 6 It can be seen with the finishing rolling 展开Wang et al proposed a new type of particle damping absorber applied to rolling mill vertical vibration control, and studied the vibration characteristics, the transmission of energy and Research on vertical vibration characteristics of rolling mill based 2023年12月22日 The results reveal the impact of system parameters upon the vertical nonlinear vibration of the cold rolling mill, which can serve as an academic reference for reducing the Vertical nonlinear vibration analysis of cold rolling mill considering 2020年4月22日 The influence of the mill modulus control gain in AGC on mill vibration is studied The vibration velocity of the work roll is used as the criterion to evaluate mill vibrations The Influence of mill modulus control gain on vibration in hot rolling
Coupling vibration characteristics and vibration suppression of
2024年6月30日 This paper designs a springdamping dynamic vibration absorber for suppressing rolling mill vibration based on the work roll structure and working characteristics of 2017年10月5日 In this study, the various causes of vibration in a rolling process were investigated, and the vibration types present in a compact endlessrolling mill (CEM) process Investigation of the cause of the chatter and physical behavior of a Vibration phenomena in rolling mill are common and complicated The severe vibration can seriously damage mill equipments, restrict rolling speed and cause variations in strip thickness Experimental and Numerical Investigation on the Roll System In this study, we investigated the dynamic behavior of hot rolling mill in Hyundai Steel Mill to investigate the cause of chatter vibration In the experimental study, rolling force, roll speed Experimental and Numerical Investigation of the Vibration
Rolling process and its influence analysis on hot continuous rolling
2016年11月9日 Rolling mill vibration is a worldwide problem, although it has been found that the mill structure defects are the main cause of vibration, but the inhibition measures are difficult to2021年1月18日 By analyzing the effect of varying the workpiece thickness and motor speed on the connection angle and roll gap friction force, Shi et al established a nonlinear torsional vibration model of a rolling mill and showed Vertical–Horizontal Coupling Vibration of Hot Rolling 2020年11月1日 The most general methods for mill vibration research are mechanistic model analysis of mill chatter and the datadriven rolling mill vibration analysis methods In the mechanistic models of rolling mill vibrations, the most typical models are multipledegreeoffreedom mass–spring structure models, finite element method (FEM) models, and transfer Prediction and analysis of cold rolling mill vibration based on 2019年11月1日 The paper considers a new design of a rotary vibration mill without stagnant zones, influence of vibration frequency of a mill body on its productivity is 33 times higher than the rotation Optimization of material grinding in vibration mills
Vibration transmission and energy dissipation of roll controlled by
2023年7月1日 The vibration of the mill caused by either cause will result in thickness fluctuations of the strip, The most common method is to establish a mechanical model of rolling mill and analyze the influence of multiple rolling factors on the dynamic characteristics to grasp the mill chattering mechanism Yarita et al 2021年6月30日 The torsional vibration is a technical problem during the rolling process, which seriously affects rolling stability and production efficiency In order to study the influence of axis deviation of the rolling mill transmission system on torsional vibration, a reasonable dynamic model can be established to explore its dynamic characteristics In this paper, considering the Torsional Vibration for Rolling Mill with the Drive System Shaft Vibration issues of a fivestand tandem cold rolling mill were found in the steel production practice, and the experimental observation and numerical analysis indicated that the vibrations were related to the backup roll bearing The results were validated by replacing the backup roll bearing with the new bearing resulting in 30% decline in vibration amplitude Models Vibrations of tandem cold rolling mill: coupled excitation of rolling 2024年9月6日 The impact of rolling mill vibration extends beyond product quality to equipment health, making vibration control crucial This study addresses the issue of frequent abnormal vibration in hot strip finishing mills by employing a combination of theory, simulation, and experimentation to analyze the dynamic behavior of the mill and apply findings to onsite Research on Dynamic Modelling, Characteristics and Vibration
Analysis of Causes and Remedy of Chattering in the Aluminum
2021年9月1日 This vibration can provoke strip break and, therefore, cause severe damage to the mill Previous studies have shown that third octave chatter is linked to a regeneration effect due to stand coupling2017年12月31日 According to the “Hill rolling force formula”, taking particular account of the influence from horizontal vibration of rolled piece in roll gap, a dynamic rolling force model is analyzed(PDF) Dynamic analysis and control of strip mill vibration under Inlet and outlet tension show different influences on the roll system’s vibration [22], [23], [24] pointed out that tension fluctuations at entry and exit can cause chatter in the strip rolling process and experimental verification has been Prediction and analysis of cold rolling mill vibration based on a datadriven method Appl Relationship between tension and vertical vibration of roll system lubrication can cause selfexcited vibration of th e main drive system of the rolling mill [6] Zhang et al [7] found that under the dual excitation of electrical harmonics and rolling force Impact of shafting angle of F5 cold rolling mill on the dynamics of
Modeling and vertical torsional coupling vibration control of the
2022年3月14日 Request PDF Modeling and vertical torsional coupling vibration control of the rolling mill with full state constraints This article establishes a mechanical‐electrical‐hydraulic vertical A nonlinear 6DOF mill vibration model has been developed for identifying the onset of chatter and used to investigate the transient response to rolling parameters The mill vibration model (6DOF) takes into account the dynamic The effect of tension variation in the dynamic roll gap Abstract Rolling mill vibration is a worldwide problem, although it has been found that the mill structure defects are the main cause of vibration, but the inhibition measures are difficult to implement So we discussed the rolling force parameters influence on rolling mill vibration and suppression measures from rolling technology in this articleRolling process and its influence analysis on hot continuous 2024年4月17日 The cold rolling mills are complex electrohydromechanical systems in which vibrations are usually detected as issues during production process In the present work, the vibrations with frequencies of 80Hz were found at top of the rolling mill and the pressure behind servo valve during the production process In order to understand the vibration mechanism Study on the Influence of Dynamic Characteristics of Servo Valve
Vibration characteristics of an operating ball mill ResearchGate
2019年7月1日 A ball mill, which is used to finely grind materials, causes high levels of vibration and sound during grinding operations The vibration and sound of mills provide significant information about 2019年2月25日 Fan et al proposed a dynamic model of hot rolling mill vertical vibration to analyze the influence of rolling process parameters on the hot rolling mill vibration Zeng et al [ 14 ] formulated a dynamic rolling process model based on the BlandFordHill rolling force model and analyzed the influences of process parameters and structure parameters on system stabilityDynamic Model of the Hot Strip Rolling Mill Vibration Resulting 2022年6月15日 When the centre of gravity of a rotating object is not exactly in the centre line, it causes machine unbalance resulting in vibration When a machine is unbalanced, it can cause damage to the machine itself, the foundation, pipes, etc There are three types of unbalance: static unbalance, coupled unbalance and dynamic unbalance Static unbalance6 common causes of machine vibrations Istec2021年2月12日 A Vliyaniye rezhima protsessa izmel'cheniya v vibratsionnoy mel'nitse na udel'nyye energozatraty [Influence of the mode of the grinding process in a vibration mill on the specific energy (PDF) The Development of a Cylindrical Vibration Mill and its
Research on vibration characteristics of mill rolls based on
2021年4月1日 The influence of nonlinear factors on the vibration of the rolling mill is studied by Niziol et al, they established the vertical vibration dynamic model with two degrees of freedom [10,11] Bayón et al considered that the nonlinear friction coefficient and nonlinear equivalent stiffness of hydraulic cylinder were caused by the change of velocity and dynamic load [12]2019年10月1日 According to the actual parameters of rolling mill, the influence of the nonlinear stiffness of the hydraulic cylinder and external force on the amplitudefrequency response of the rolling mill is analyzed Based on it, the behavior of mill vibration under the effect of different nonlinear stiffness is studiesDynamic analysis of vibration stability in tandem cold rolling mill2019年2月25日 Finally, we investigate the influence of model parameters on the dynamic characteristics of hot strip rolling mill vibration resulting from entry thickness deviationDynamic Model of the Hot Strip Rolling Mill Vibration 2012年4月1日 In the rolling process, rolling mill vibration is an inevitable problem, which causes vibration of steel strips and wears the parts of rolling mills [1] [2][3] erefore, studying rolling mill Causes of chatter in a hot strip mill: Observations, qualitative
Dynamic analysis of vibration stability in tandem cold rolling mill
2019年10月1日 Many previous experiments were performed using a massspring structure system to study chatter characteristics in cold rolling Tamiya et al (1980) analyzed roll displacement and tension variations in a mill chatter model and pointed out that mill chatter was a selfexcited vibration phenomenon Yun et al (1998a) summarized the common mechanistic 2013年1月1日 On account of the selfexcited vibration in No 5 stand of 1420 cold rolling mill, the relationship between rolling lubrications and selfexcited vibration of rolling mill was theoretically studiedInfluence of Rolling Lubrication for SelfExcited Vibration on 2020年8月20日 Stick and slip under the influence of a harmonic oscillation The dotted line represents the tangential force as it would be in pure slip [F slip = µ 0 F z (t)](PDF) The Influence of Vibration on Friction: A Contact rolling mill in Hyundai Steel Mill to investigate the cause of chatter vibration In the experimental study, rolling force, roll speed and acceleration were measured from tachometer, load cell and accelerometer respectively Numerical models of rolling mills including drive systems are built for multibody dynamics analysisExperimental and Numerical Investigation of the Vibration
Research on MultiSystem Coupling Vibration of a Hot Tandem Mill
2024年4月30日 Vibration in hot tandem rolling mills has been a problem in the iron and steel industry mainly due to its unpredictability In this work, vibration data of the second finishing mill (F2) stand of a hot tandem rolling mill are collected and analyzed, and a mathematical model based on the coupling of a nonuniform deformation process, mill structure and hydraulic 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 2022年6月23日 The stable operation of strip rolling mill is the key factor to ensure the stability of product quality The design capability of existing domestic imported and selfdeveloped strip rolling mills cannot be fully developed, and the frequent occurrence of mill vibration and operation instability problems seriously restrict the equipment capacity and the production of highend Vibration prediction and analysis of strip rolling mill based on 2017年9月1日 Measuring the Size of Vibrations on a Mill Using the Vibration Analysis September 2017; Key Engineering Materials 756:119126; which cause deterioration of the quality of products(PDF) Measuring the Size of Vibrations on a Mill Using the Vibration
Prediction and analysis of cold rolling mill vibration based on
2020年11月1日 The most general methods for mill vibration research are mechanistic model analysis of mill chatter and the datadriven rolling mill vibration analysis methods In the mechanistic models of rolling mill vibrations, the most typical models are multipledegreeoffreedom mass–spring structure models, finite element method (FEM) models, and transfer 2019年11月1日 The paper considers a new design of a rotary vibration mill without stagnant zones, influence of vibration frequency of a mill body on its productivity is 33 times higher than the rotation Optimization of material grinding in vibration mills2023年7月1日 The vibration of the mill caused by either cause will result in thickness fluctuations of the strip, The most common method is to establish a mechanical model of rolling mill and analyze the influence of multiple rolling factors on the dynamic characteristics to grasp the mill chattering mechanism Yarita et al Vibration transmission and energy dissipation of roll controlled by 2021年6月30日 The torsional vibration is a technical problem during the rolling process, which seriously affects rolling stability and production efficiency In order to study the influence of axis deviation of the rolling mill transmission system on torsional vibration, a reasonable dynamic model can be established to explore its dynamic characteristics In this paper, considering the Torsional Vibration for Rolling Mill with the Drive System Shaft
Vibrations of tandem cold rolling mill: coupled excitation of rolling
Vibration issues of a fivestand tandem cold rolling mill were found in the steel production practice, and the experimental observation and numerical analysis indicated that the vibrations were related to the backup roll bearing The results were validated by replacing the backup roll bearing with the new bearing resulting in 30% decline in vibration amplitude Models 2024年9月6日 The impact of rolling mill vibration extends beyond product quality to equipment health, making vibration control crucial This study addresses the issue of frequent abnormal vibration in hot strip finishing mills by employing a combination of theory, simulation, and experimentation to analyze the dynamic behavior of the mill and apply findings to onsite Research on Dynamic Modelling, Characteristics and Vibration 2021年9月1日 This vibration can provoke strip break and, therefore, cause severe damage to the mill Previous studies have shown that third octave chatter is linked to a regeneration effect due to stand couplingAnalysis of Causes and Remedy of Chattering in the Aluminum 2017年12月31日 According to the “Hill rolling force formula”, taking particular account of the influence from horizontal vibration of rolled piece in roll gap, a dynamic rolling force model is analyzed(PDF) Dynamic analysis and control of strip mill vibration under
Relationship between tension and vertical vibration of roll system
Inlet and outlet tension show different influences on the roll system’s vibration [22], [23], [24] pointed out that tension fluctuations at entry and exit can cause chatter in the strip rolling process and experimental verification has been Prediction and analysis of cold rolling mill vibration based on a datadriven method Appl lubrication can cause selfexcited vibration of th e main drive system of the rolling mill [6] Zhang et al [7] found that under the dual excitation of electrical harmonics and rolling force Impact of shafting angle of F5 cold rolling mill on the dynamics of