tandem rolling including

Multi-objective optimization of rolling schedule for tandem cold

2020.12.1 Introduction With the appearance of advanced rolling mill and effective rolling techniques, the rolling industry has made a rapid development, which prompts

(PDF) Modeling, Simulation and Identification for Control of

2012.12.1 This paper describes a modeling procedure for tandem cold metal rolling, including the linearization step and system identification for control. The tandem cold

Rolling force prediction during FGC process of tandem cold rolling ...

2023.1.27 Aiming to further improving the calculation accuracy of rolling force in the FGC process of tandem cold rolling, the exit thickness accuracy and exit flatness

Application of convolutional neural networks for prediction of strip ...

2021.8.1 In summary, the successful application of neural networks in the rolling field is mainly about the model prediction of rolling force, rolling torque and strip crown, etc.,

Prediction and analysis of rolling process temperature field for ...

2021.5.16 In order to accurately predict the rolling process temperature field for the high-grade non-oriented silicon steel in five stands tandem cold rolling, a model with

Pareto multi-objective optimization of tandem cold rolling

2022.11.1 Modeling of the tandem cold rolling. In this study, an analytical method has been used for modeling of cold rolling tandem mill process. In this model, the

Online Prediction of Deformation Resistance for Strip

Optimization of reduction schedule in a tandem cold rolling mill ...

2023.4.10 This research investigated the effect of the material properties of the strip on damage evolution and power consumption in a tandem cold rolling mill. An

Pareto multi-objective optimization of tandem cold rolling

2022.11.1 The tandem rolling mill and reversing mill are the most well-known methods in cold rolling industries [1]. These processes are widely exploited in order to

Shape control method for tandem rolling mill - Google Patents

탠덤(tandem)압연기에 있어서의 형상제어법 Shape Control Method in Tandem Rolling Mill. 제 1 도는 5스탠드 냉간 탠덤 압연기의 경우의 영향계수의 일례를 표시한 선도. 1 is a diagram showing an example of the coefficient of influence in the case of a 5 stand cold tandem rolling mill. 제 2 도는 5스탠드 냉간 탠덤 압연기를 대상으로 소재판 ...

Vibrations of tandem cold rolling mill: coupled excitation of rolling ...

2023.1.22 Vibration issues of a five-stand 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 back-up roll bearing. The results were validated by replacing the back-up roll bearing with the new bearing resulting in 30% decline in

Vibration analysis and numerical simulation of rolling interface during ...

2021.1.1 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 [1], which restricts the quality and efficiency of strip production. Fig. 1 shows the layout of a tandem cold rolling process.

Online Prediction of Deformation Resistance for Strip Tandem

2023.4.10 An online model is proposed for predicting deformation resistance in the strip tandem cold rolling by combining the back propagation neural network optimized by the mind evolutionary algorithm (MEA-BP) and the deformation resistance analytical model. The real-time collection of hot and cold rolling process data is achieved by constructing

Multi-objective optimization of rolling schedules on aluminum

In hot strip rolling process, rolling schedule is a key technology which directly influences strip product qual-ity. Rolling schedule optimization is actually a problem of load distribution. To make a better rule of the load dis-tribution of aluminum hot tandem rolling, multi-objective optimization algorithm is used to optimize rolling schedule.

A Dynamic Rolling Mill Simulator for All Reasons - ScienceDirect

1993.7.1 A Dynamic Rolling Mill Simulator for All Reasons. A general-purpose, PC-based, dynamic simulator program is described which is suitable for investigating control system design, operator training and automation system testing on a variety of tandem rolling mill configurations having between one and seven stands.

Rolling force prediction during FGC process of tandem cold rolling ...

2023.1.27 Aiming to further improving the calculation accuracy of rolling force in the FGC process of tandem cold rolling, the exit thickness accuracy and exit flatness accuracy of the strip in the first ...

Schematic diagram of hot strip tandem mill - ResearchGate

In the tandem cold rolling (TCR) process, the work hardening effect has a direct influence on rolling force, which affects the strip shape including strip crown and flatness significantly.

Effect of work roll shifting control on edge drop for 6-hi tandem

2020.3.21 For tandem cold mills, shape control involves a system including mill-type selection, optimized roll contour design, and the corresponding control strategy. The work roll shifting is mainly used for edge drop control when producing silicon steel. Edge drop control system for tandem cold rolling is shown in Fig. 2.

Influence of friction-lubrication characteristics varying with rolling ...

2023.10.15 In the high-speed cold tandem rolling process of thin plate, chatter or slip instability gives rise to the deterioration of equipment and product quality. Macroscopic instability behavior is closely related to interfacial friction-lubrication condition which is generally characterized by the friction coefficient. However, with higher and higher speed

Time Delay Effect on Regenerative Chatter in Tandem Rolling

The interstand tension coupling effect and strip gauge variation passed on to next stand with time delay are the main causes for regenerative chatter in tandem rolling mills. To study the effect of different factors on the stability of tandem rolling mills, different models considering different interstand factors were built. Through stability analysis of these models by

Multi-objective optimization of rolling schedule for tandem

2020.12.1 A reasonable rolling schedule is critical for tandem cold rolling process, which can take full advantage of rolling mill equipment potential, decrease energy consumption and ensure accuracy and quality of strip products [1]. However, this core skill is often conducted by rolling technique engineer based on their experience and knowledge.

Novel three-dimensional multi-objective numerical modeling

2021.2.8 In the tandem cold rolling (TCR) process, the work hardening effect has a direct influence on rolling force, which affects the strip shape including strip crown and flatness significantly.

Everything you need to know about Tandem rollers

2022.3.20 Smaller tandem rollers under 5,000kg are perfect for use on small to medium-sized construction jobs including most maintenance applications, patchwork on motorways, footpaths, driveways, car parks and sports and leisure areas.. Larger tandem rollers from 7,000kg up to 14,000kg are designed for use primarily for higher-production

Rolling Technology and Theory for the Last 100 Years: The

The history of rolling theory is described in this report, comparing rolling theory with innovation of strip rolling technology. In Japan, computer control system started to be introduced to iron and steel company in 1960s. Therefore, research of rolling theory became in dispensable. Before 1960, it was published mainly in the Western countries.

Prediction and analysis of rolling process temperature field for ...

2021.5.17 In order to accurately predict the rolling process temperature field for the high-grade non-oriented silicon steel in five stands tandem cold rolling, a model with multi-layer grids in thickness direction is established with the control volume heat balance method by considering the actual heat sources including the deformation heat, the friction heat,

Short-Flow Rolling Process and Heat Treatment of Seamless

2023.3.6 In view of the material characteristics of titanium alloys, such as their capability to quickly cool down and their poor machinability, in this study, we combined a new production mode for seamless tube rolling (tandem skew rolling, TSR) with titanium alloy materials and conducted systematic research. The most suitable parameters for

Rolling mill, and tandem rolling mill having the same

A tandem rolling mill including a plurality of rolling mill stands arranged therein, wherein a rolling mill according to anyone of claims 1-3 is provided as at least one of the stands. EP09703122.3A 2008-01-25 2009-01-15 Rolling mill, and tandem rolling mill having the same Not-in-force EP2241382B1 ( en )

A 6-high type stand for cold rolling. Download Scientific Diagram

The tandem rolling mill and reversing mill are the most well-known methods in cold rolling industries [1]. These processes are widely exploited in order to feed a wide variety of industries such ...

Tandem cold rolling mill modeling for multi-variable control

model of the cold rolling process including state-dependent delays will be provided and validated numerically. A simulation with a simplistic multi-variable controller will illustrate the use of this model. Keywords: Tandem Cold Rolling, Continuous Tandem, Mathematical Model, State Space Representation, differential-algebraic system. 1 ...