Prediction and analysis of cold rolling mill vibration based …

The traditional mill chatter mechanism model cannot meet the monitoring and rapid diagnosis needs of the rolling process in the field. In this paper, a data-driven mill vibration analysis method is proposed. The main objective of this study was to develop a mill

Vibration Characteristics of Hot Rolling Mill Rolls Based ...

Based on the analysis of the influence of roll vibration on the elastoplastic deformation state of a workpiece in a rolling process, a dynamic rolling force model with the hysteresis effect is established. Taking the rolling parameters of a 1780 mm hot rolling mill as an example, we analyzed the hysteresis between the dynamic rolling force and the roll vibration displacement …

Prediction and analysis of cold rolling mill vibration ...

A mill vibration monitoring system was developed to monitor the oscillating movements of the rolls in the tandem cold rolling mill. A sketch of the rolling mill vibration data monitoring system and the specific locations of the sensors (locations A, B, C, and D) were shown in Fig. 3.Location A was the operation side of the bottom work roll (WR) bearing, location B …

Prediction and analysis of cold rolling mill vibration ...

The traditional mill chatter mechanism model cannot meet the monitoring and rapid diagnosis needs of the rolling process in the field. In this paper, a data-driven mill vibration analysis method is proposed. The main objective of this study was to develop a mill vibration monitoring method and an intelligent algorithm for mill chatter early ...

Vibration analysis of Sendzimir cold rolling mill and ...

Abstract. The presence of several rolls in cluster cold rolling mills makes on-line vibration monitoring and failure analysis difficult. The dynamic behaviour of rolls strongly depends on the ...

Mill Vibration Phenomena during Cold Rolling - …

Mill Vibration Phenomena during Cold Rolling. All machines vibrate during operation. However, only a few of these vibrations cause problems to the product or the machine itself. Typically, the most damaging vibrations involve …

(PDF) VIBRATION MONITORING OF TANDEM …

The Arcelor T illeur cold rolling mill. has a 5-stand tandem mill that is prone to 3 rd order chatter and a. 4-stand tandem that is subject to 5 th order chatter. The. COMP ASS vibration ...

Research on vertical vibration of hot rolling mill under ...

In this paper, we find the violent vibration of the hot rolling mill is induced by the combination of the screw-down system and the strip, explain how the srew-down-strip combined excitation effects the rolling mill, and introduce an effective method to restrain the vibration. First, two experiments, stripless rolling and turning off the screw-down system, are conducted, the first experiment ...

Dynamic analysis of vibration stability in tandem cold ...

The rolling mill vibration model [1] [2][3] is a class of nonlinear dynamic systems that evolves from a simple linear model to a complex nonlinear dynamic model. According to the structure and ...

Vibration Characteristics of Rolling Mill System under ...

Considering the two kinds of nonlinear constraints of rolling mill hydraulic cylinder, spring force and friction force, the vibration model of rolling mill system is established. The amplitude frequency response equations are obtained by using the average method. Comparing the time history curves of vertical vibration displacement of rolling mill system under the …

1718. Stability analysis of the rolling mill multiple ...

Stability analysis of the rolling mill multiple-modal-coupling vibration under nonlinear friction Lingqiang Zeng1, Yong Zang2, ... between plastic deformation process and rolling mill vibration into consideration. In addition, rolling mill system is a typical nonlinear system. Nonlinear stiffness and nonlinear damping of

Calculation of stiffness parameters and vibration analysis ...

The elastic deformation of rolling mill elements during the rolling process is important. By knowing the displacement of rolls, the optimum gap between the work rolls can be calculated. In present research, a vibration model with two degrees of freedom is proposed for a cold sheet rolling mill and the stiffness parameters of different mill elements are calculated. A numerical …

Vibration analysis and numerical simulation of rolling ...

Cold rolling plays a crucial role in flat steel production. In recent years, it has become extremely difficult to ignore the existence of chatter, also called "ghost vibration" by operators who work in milling plants [], which restricts the quality and efficiency of strip production.Fig. 1 shows the layout of a tandem cold rolling process. Mill vibration often occurs in stand 4 and 5 ...

(PDF) Active vibration suppression for rolling mills ...

Wu S, Wang L, Shao Y, et al. Vibration characteristic analysis of twenty-high rolling mill with local defect on roll surface based on the time-varying contact stiffness. Eng Failure Anal 2014; 42 ...

Vibration analysis of a Sendzimir cold rolling mill and ...

Vibration analysis of a Sendzimir cold rolling mill and bearing fault detection E Brusa, L Lemma, and D Benasciutti Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 2009 224 : 8, 1645-1654

(PDF) VIBRATION MONITORING OF TANDEM MILLS AT …

The Arcelor T illeur cold rolling mill. has a 5-stand tandem mill that is prone to 3 rd order chatter and a. 4-stand tandem that is subject to 5 th order chatter. The. COMP ASS vibration ...

Vibration analysis of a Sendzimir cold rolling mill and ...

Abstract The presence of several rolls in cluster cold rolling mills makes on-line vibration monitoring and failure analysis difficult. The dynamic behaviour of rolls strongly depends on the rolling pressure in the roll bite. Strip vibration applies a dynamic component on the rolling force acting on the work roll and may excite the resonance of the mill stand.

-Analysis on ...

-Analysis on Vibration Characteristics and Roll Wear Evaluation of Plate Mill.docx, : : : () ...

Study on vibration characteristics of rolling mill based ...

The vertical vibration often occurs during the rolling production, which has an influence on the accuracy of rolling mill. In order to effectively suppress the vertical vibration of the rolling equipment, the rolling mill model with vibration absorber device was established. Based on the main resonance singularity of the rolling mill system, the best combination of opening …

Fault Detection of Roller Bearing Using Vibration Analysis

Fault Detection of Roller Bearing Using Vibration Analysis . Rabinarayan Sethi. 1.Subhasini Muduli. 2 . Abstract—The rolling elementbearings are commonly used in rotating machinery, it mostly covers a broad range of rotating machinery and plays a significant role in industrial applications which is considered as a most critical element.

(PDF) Active vibration suppression for rolling …

Wu S, Wang L, Shao Y, et al. Vibration characteristic analysis of twenty-high rolling mill with local defect on roll surface based on the time-varying contact stiffness. Eng Failure Anal 2014; 42 ...

Vibration Analysis | IVC Technologies

IVC Technologies is dedicated to helping customers achieve optimal process and manufacturing efficiency through Condition Based Monitoring (CBM). Our highly experienced and certified CBM Analysts utilize cutting-edge technology and …

Experimental and Numerical Investigation of the …

A numerical model of the rolling mill including the driv-ing system was built as rigid bodies to perform the multi-body dynamic analysis. The static rolling force of the mill was measured and the dynamic rolling force was computed according to the analytical model. Because the 6-high cold rolling mill is structurally symmetrical, only the upper ...

Rolling process and its influence analysis on hot ...

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 article. The results show that the rolling …

Vibration-Based Condition Monitoring of Rolling Mill

Vibration Based Condition Monitoring of Rolling Mill V inod D.TIrpude, Jayant P.Modak, Girish D. Mehta Abstract: All over the India, most of the processing industries are involved with rolling operations for steel and alloyed materials. To perform these operations, rolling mills are used. ...