
Principles and Applications of Metal Rolling
2015.11.19 Principles and Applications of Metal Rolling. This is a book written by a practitioner. It is somewhat different from a normal textbook involving machines and
More
Multistep networks for roll force prediction in hot strip rolling mill
2022.3.15 In this paper, we propose a machine learning based framework to establish a model that accurately predicts roll forces at each mill stands of the hot strip rolling mill.
More
A review of planning and scheduling methods for hot rolling mills
2021.1.1 This study is a comprehensive review about steel hot rolling mill scheduling from an operations research point of view, but some seemingly obvious articles are not
More
Roller Mill - Springer
2023.7.4 3Chinese Academy of Engineering, Beijing, China Roller mill is a type of grinding equipment for crushing materials by pressure between two or more rolling
More
Introduction to Rolling Process - Cambridge University
2015.11.19 2 Principles and Applications of Metal Rolling (ii) Shape of the rolled product- flat, sections or hollow sections rolling. (iii) Direction of rolling- lengthwise,
More
IOM3 Enabling technologies to boost roll mill performance
2021.7.21 Rolling an increasingly challenging product mix amplifies the need for mills to apply advanced technologies in terms of mill and roll shop design, hardware and
More
Rolling Mill - an overview ScienceDirect Topics
The rolling mills complex was proposed to include a light and medium merchant mill with breakdown group of stands for rolling blooms into billets and an intermediate in-line heat
More
Design and development of high precision four roll CNC roll
2023.8.10 This innovation has demonstrated the feasibility of employing servo electric cylinders in four-roll CNC bending machines for profile bending, resulting in higher
More
超高强钢冷轧过程轧制力计算的改进模型
2021.1.6 基于此,根据弹塑性理论中的变形与应力关系,推导了入口弹性变形区、塑性压下变形区以及出口弹性变形区单位轧制压力分布计算过程,建立了超高强钢冷轧过程总轧制力计算模型。. 并将其推广应用到某钢厂2030冷连轧机组,验证了该模型的计算准确度。. 结果表
More
A Roll-Stack Contact Mechanics Model to Predict Strip
2017.11.16 Introduced is an efficient new model to compute the roll-stack deflections and contact mechanics behaviors for metal rolling mills with asymmetric roll crowns. The new model expands the simplified mixed finite element (FE) method to consider complex antisymmetric contact conditions of continuously variable crown (CVC) roll diameter
More
Rolling process and its influence analysis on hot continuous rolling ...
2016.11.9 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 article.
More
Tandem strip mill’s multi-parameter coupling dynamic
2015.2.14 The rolling process is determined by the interaction of a number of different movements, during which the relative movement occurs between the vibrating roll system and the rolled piece, and the roll system’s vibration interacts with the strip’s deformation and rigid movement. So many parameters being involved leads to a complex mechanism of
More
Sensors Free Full-Text Fault Diagnosis Method for Rolling Mill ...
2021.8.15 Rolling mill multi-row bearings are subjected to axial loads, which cause damage of rolling elements and cages, so the axial vibration signal contains rich fault character information. The vertical shock caused by the failure is weakened because multiple rows of bearings are subjected to radial forces together. Considering the special
More
IOP Conference Series: Earth and Environmental Science
2022.5.7 diameter, mm; Se is rolling mill bounce, mm; adM ~ M are model coefficients; Sej and Fj are rolling mill standard curve points. The rolling mill stiffness curve is shown in Figure 2. The reference value of rolling mill stiffness M0 can be obtained by means of rolling mill standard curve, and the standard curve data is collected in the process ...
More
Optimization of reduction schedule in a tandem cold rolling mill ...
2023.4.10 The reduction schedule is the most effective factor in strip tearing and power consumption in a tandem cold rolling mill. The proper selection of the reduction schedules can reduce production costs and ensure the accuracy and quality of strip products [].Therefore, determining an optimized reduction schedule has been one of the most
More
Wear in cold rolling milling rolls: A methodological approach
2019.4.30 Introduction. Rolling is one of the main industrial steel production processes. Rolling mill rolls should allow the production of laminates with high quality in terms of mechanical strength, flatness, surface topography, and thickness control in order to attend increasingly demanding consumers such as the automotive industry and
More
A Basic Understanding of the Mechanics of Rolling Mill Rolls
And the accuracy of rolls (T.I.R.) has to be one degree better than the tolerance of the rolled product! There is a wide difference in tolerances for tin plate or heavy plate. K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS File: SCHROEDER_ROLLS_010703.DOC Chapter 4 — ROLLS 103.
More
Optimization of Metal Rolling Control Using Soft Computing
2019.11.25 As one of the most important structural and functional materials, rolled-product plays an irreplaceable role in national economy, people’s lives and national development. Metallurgy industry is moving from traditional semi-automation to knowledge automation, process intelligence, and manufacturing information. Rolling exerts an
More
Rolling Mill Manufacturers, Exporter of Steel Rolling Mill in
Steefo is an ISO 9001:2008 certified company situated in India offers a wide range of rolling products Includes rolling mills Plant, Steefo Engineering Corporation is a name to be reckoned with when people think of exporters of steel plants in India. The quality of our products is of international standards and they require very less maintenance.
More
A neuro-fuzzy system for looper tension control in rolling mills
2005.1.1 A looper tension control system is common to many rolling processes. Conventional tension controllers for mill actuation systems are based on a rolling model. They therefore cannot deal effectively with unmodeled dynamics and large parameter variations that can lead to scrap runs and machinery damage. In this paper, this problem
More
Torsional vibration reduction for rolling mill’s main ... - Springer
2015.4.14 Torsional vibration characteristics are important information for rotating machinery design and control. Jointed shaft is a commonly used element in drive trains of rolling mill. The torsional vibrations of one- degree -of freedom nonlinear dynamical system are controlled using active control. The multiple scale perturbation technique used to get
More
Development of a measurement method for tracking the
2023.11.20 Steel rings with a circumferential variable cross section, in this case eccentric rings, are used in different fields, i.e. mechanical engineering. Current production routes of eccentric rings have the disadvantages of limited or inflexible geometries, high material waste or inhomogeneous microstructure. The radial-axial ring rolling process is
More
Principles and Applications of Metal Rolling
2015.11.19 4. Rolling Equipment and Systems 168 4.1 Mill Stand Components and Mechanisms 168 4.1.1 Rolling mill rolls 169 4.1.2 Roll neck bearings 186 4.1.3 Roll chocks 197 4.1.4 Mill housings 201 4.1.5 Mechanisms for roll adjustment and roll balance 205 4.1.6 Roll change device 217 4.1.7 Sendzimir cluster mills 220 4.1.8 Guides and repeaters 223
More
H controller for the vibration suppression of rolling mill
2023.7.4 School of Electrical Engineering, Yanshan University, Qinhuangdao 066004, China e-mail: chengqianysu@163 L. Zhang e-mail: liuliuysu@163 C. Hua e-mail: [email protected] Keywords Rolling mill Vibration suppression Lyapunov-Krasovskii functional Input delay 1 Introduction The rolling mill is a crucial machine for produc-
More
Rolling Mills: 6 Different Types of Rolling Mills [Images PDF]
2022.5.24 In the rolling process, the job is drawn through a set of rolls due to interface friction, and the compressive forces reduce the thickness of the workpiece or change its cross-sectional area.. The types of rolls used in rolling mills are depended upon the shape, size, and the gap between the rolls and their contour. Because of workability
More
Extended-state-observer-based robust torsional
2023.6.1 of rolling mill torsional vibration is of great significance. To improve the stability of the cold rolling main drive system, scholars have conducted a lot of research on torsional vibration of cold rolling mill [1–3]. Wang et al. [4] analyzed the nonlinear vibration characteristics of the rolling mill based on asymptotic method. Liu et al. [5]
More
SHAPE CHANGE SIMULATION ANALYSIS OF WHEEL
2022.12.5 rolling mill, a three-dimensional finite element model was built with the wheel steel 380CL as the sample. The equivalent stress field, strain field, and displacement change of thickness of the wheel steel in each rolling process were analysed, and the field measurement and verification analysis were carried out.
More
Design of control system for steel strip-rolling mill using
2021.3.24 A Simulink and mathematical models have been proposed in this study in order to control the thickness in a rolling mill process. The simulation results show that the thickness oscillation can be manipulated with high accuracy by using NARMA-L2, since it can remove the non-linearity of servo system and other disturbances complexities. The
More
Torsional Vibration for Rolling Mill with the Drive System
2021.10.26 A rolling mill driving system is a multiple degree of a free-dom torsional vibration system [1]. The torsional vibra-tion 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 neces-sary to explore the torsional vibration ...
More
Unified gauge-tension control in cold rolling mills: A robust ...
2011.6.1 In this paper, the unified gauge-tension control problem is formulated by defining the exit strip thickness of stands and interstand tensions as controlled outputs. It is shown that cold rolling process can be described by a nominal model perturbed by an additive uncertainty. This model is used to design a robust tracking controller, based on
More
Research and Development Trend of Shape Control for Cold Rolling
2017.7.19 This technology was successfully applied to a 1550 mm tandem cold rolling mill at Baosteel [75,76,77,78]. This development indicates that the edge drop control technology of the 6-high UCMW cold rolling mill has matured. However, most of the cold rolling mills are 6-high UCM rolling mills or 4-high CVC rolling mills.
More
International Journal of Mechanical Engineering
2021.2.27 aluminum rolling mills, Metallurgical Plant and Technology International 21 (6) 64–67. 2 T. Watanabe et al., (1997) A new mill-setup system for hot strip rolling mill that integrates a process model and expertise, Proceedings of the IEEE International Conference on Systems, Man and Cybernetics 3 2818–2822.
More
Metal Strip Rolling Mill, Reversing Cold Rolling Mill, Metal
Revamping 6-high mill into 18-high mill (typical reference) 1.Before revamping,the work roll diameters ranged from 200 to 240mm which were so large that it caused small rolling reduction,too many passes and low efficiency.The minimum thickness could only reach 0.6mm for strip of width 1250mm; 2.After revamping,the roll diameters of 18-high mill ...
More
Vibration Energy Coupling Behavior of Rolling Mills under
2023.2.20 The operation of the world’s first multimode continuous casting and rolling F3 (3rd finishing mill stand) finishing mill was hampered by frequent vibrations. Mill vibrations were found to be caused by the transmission and coupling of vibration energy flow. In this study, an overall finite element model of the F3 stand is established based on the
More
Efficient Three-Dimensional Model to Predict Time History of Structural ...
2021.12.17 Abstract. Introduced is a new physics-based three-dimensional (3D) mathematical model capable of efficiently predicting time histories of the nonlinear structural dynamics in cold rolling mills used to manufacture metal strips and sheets. The described model allows for the prediction of transient strip thickness profiles, contact force
More
基于多目标优化的冷连轧工作辊窜辊优化控制
2021.1.20 Optimal control of work roll shifting in tandem cold rolling mill based on multi-objective optimization SONG Jun 1,2, REN Ting-zhi 1, WEI Zhen 3, LIU Bao-quan 2, WANG Kui-yue 2, SONG Bao-yu 2 1. Education Ministry Engineering Research Center of
More
Multistep networks for roll force prediction in hot strip rolling mill
2022.3.15 The rolling mill is equipped with a slab reheat furnace, followed by an edger for width control before a single roughing mill stand. The pre-deformed strip is then de-scaled and is transported into 6 stands of 4-high rolling mill for stepwise thickness reduction, and finally enters cooling water wall and coilers. ... Engineering Applications of ...
More
CORTS® – Precise, Efficient, Reliable - CORTS® Engineering
3 天之前 CORTS® Engineering provides survey, machining and advanced monitoring services to help return mills to OEM specifications or better. Global Provider CORTS® is the leading global provider of flat bearings and associated engineering services for rolling mills.
More