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 self-developed strip rolling mills cannot be fully developed, and the frequent occurrence of mill vibration and operation instability problems seriously restrict the equipment capacity …

A rolling mill is an important piece of equipment in the field of modern heavy machinery, and its safe and stable operation is vital for ensuring a high-efficiency …

Precision milling processes have been widely applied to manufacturing parts in fields including automotive, aerospace, and precision machinery. Vibrations created in …

A rolling mill driving system is a multiple degree of a freedom torsional vibration system [].The torsional vibration of a driving system causes the rolling speed to change dynamically, providing instability factors at rolling interface and impacting the strip quality [2, 3].Therefore, it is necessary to explore the torsional vibration caused by the …

During the production of cold-rolled strips, the high-speed operation of rolling mills generates vibrations that significantly impact the production efficiency, the strip quality, and the rolling mill service life. Therefore, investigating the vibration characteristics of rolling mills is of paramount importance. Previous studies …

Mill chatter seriously restricts the improvement of production efficiency and the development of new products. Thus, a method of cold rolling chatter monitoring and early warning is proposed based ...

Superimposing a longitudinal ultrasonic vibration on the rotating tool reduces the process forces by up to 50 percent during machining. Depending on the requirements, this could make it possible to increase …

Zheng et al. (2017) established a spatial vibration model of a six-high cold strip rolling mill based on multi-body transfer matrix method, and demonstrated the vibration characteristics of the mill. Recently, several attempts have been made to analyze chatter characteristics in tandem rolling mills, especially the effect of friction on vibration.

Winter jujube (Zizyphus jujuba Mill. cv. Dalidongzao) is susceptible to machinery damage due to its high moisture content.The present study investigates the impact of varying levels of vibration acceleration on the softening and quality deterioration of winter jujubes through utilization of a simulated transport platform.

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The impact of rolling mill vibration extends beyond product quality to equipment health, making vibration control crucial. This study addresses the issue of ... The vibration characteristic technical indexes of six-high cold strip rolling mills are not given, and thus the chatter vibrations cannot be predicted and prevented. The strip ...

The impact of rolling mill vibration extends beyond product quality to equipment health, making vibration control crucial. This study addresses the issue of …

The chatter mark vibration generated in the rolling process of the twenty-high roll mill not only significantly affects the mill performance, but also reduces surface quality of the strip steel.

The rolling mill vibration not only seriously causes the strip thickness heterogeneity, but also damages the rolling mill equipment and its electrical …

A new two-stands S6-High rolling mill, designed for highest quality standards, has been installed at the entry section of the Hot Annealing&Pickling line LAC10 of Acciai Speciali Terni S.p.A., in order to reduce the thickness of the incoming hot rolled strips to produce new products and to serve new range dimensions for the following …

Reducing or suppressing mill vibration is the key to improving the stability of the mill and ensuring the quality of sheet and strip products (Xing et al. 2021; Wu et al. 2015). For the mill vibration problem, in recent years, many scholars from different aspects of the suppression of severe vibration of the mill have made great contributions.

Chatter phenomenon in the rolling mills is the undesired mechanical vibrations which reduces the productivity and quality of the products. Many studies have led to the point that friction is one of the most effective factors incurring chatter. In this paper, a chatter simulation model for the tandem cold rolling mills based on the well …

3. Hot Rolling Mill of Baoshan Iron and Steel Co Ltd, Shanghai 200941, China) Abstract: In order to investigate the forced transverse vibration of rolls under distributed draught pressure and moment of bending roll force, the forced transverse vibration model of rolls for four-high rolling mill was established. The work roll and backup roll

DOI: 10.1007/S00170-011-3380-9 Corpus ID: 109012556; Milling force vibration analysis in high-speed-milling titanium alloy using variable pitch angle mill @article{Huang2012MillingFV, title={Milling force vibration analysis in high-speed-milling titanium alloy using variable pitch angle mill}, author={Pan Ling Huang and Jianfeng Li …

A vibration mill is a type of grinding mill that uses vibration to mill, grind, or polish materials. Unlike other milling techniques that rely on impact, compression, or shear forces, a vibration mill applies mechanical vibration energy to the material, which causes high-frequency collisions and friction between the particles.

The vibration and sound of mills provide significant information about the internal conditions and can be used to estimate the status of the ground material. We developed a simulation model for the vibration of a mill wall to better understand the relationship between the operating conditions and wall vibration characteristics.

Chatter phenomenon in the rolling mills is the undesired mechanical vibrations which reduces the productivity and quality of the products. Many studies have led to the point that friction is one ...

For the vertical vibration equation of the cold rolling mill with discontinuous characteristics, the Magnus series method is adopted to compute the approximate …

We stock the highest quality vibration isolators including rubber mounts and machine leveling feet at the most competitive prices for immediate shipment to you. Our anti vibration mounts are manufactured with high standards and superior materials to extend the life of your equipment. ... Pumps, Hoppers, Roll Mills, Cameras, CNC Machinery ...

a. Torsional Vibration: This type of vibration occurs when the rotating components of the machine, such as the spindle or cutting tool, experience torsional forces. b. Linear Vibration: Linear vibration results from the movement of the machine's linear axes, such as the X, Y, and Z axes, causing oscillations and unwanted vibrations. 2.

During the production of cold-rolled strips, the high-speed operation of rolling mills generates vibrations that significantly impact the production efficiency, the strip quality, and the rolling mill service life. Therefore, investigating the vibration characteristics of rolling mills is of paramount importance.

The rolling mill vibration not only seriously causes the strip thickness heterogeneity, but also damages the rolling mill equipment and its electrical components. Existing vibration suppression methods are passive and mainly tune mechanical, hydraulic, electrical and rolling process parameters. A new active vibration suppression method …

This study establishes a vertical–horizontal coupling vibration model of hot rolling mill rolls under multi-piecewise 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 …

The high demands on rolling quality, especially with regard to thickness tolerances, mean that a difficult task must also be solved from an inspection point of …