DOI: 10.1016/S1006-706X(14)60149-7 Corpus ID: 136533830; Modeling and Analysis of Interstand Tension Control in 6-high Tandem Cold Rolling Mill @article{Zhang2014ModelingAA, title={Modeling and Analysis of Interstand Tension Control in 6-high Tandem Cold Rolling Mill}, author={Xin Zhang and Shuzong Chen and Hao …
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A one-dimensional model presented by Suryanarayana [A set-up model for tandem cold rolling mill, M.Tech. Thesis, IIT, Bombay, 1998] is used to calculate the power in the present work and its predictions are compared with available experimental and numerical results and are presented in Appendix A. D. work roll diameter. Db. back-up …
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Danieli Wean United's cold rolling technology (4-high and 6-high) allows producers to achieve superior strip surface and profile quality, with lower production and maintenance costs, while providing the highest possible …
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The coupled pickling line and tandem cold mill (PL-TCM) using Universal Crown Control Mill (UC-MILL) has become a de facto standard for large-scale prodcution of high …
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18Hi Six Tandem Cold Rolling Mill. The world's first stainless steel 18Hi six tandem cold rolling mills with internationally competitiveness. The mature QYS high type 18 roller maximum reduction rate is 73% (201 series), and it configures with advanced electrical instrument which ensures the thickness accuracy and shape quality of the strip ...
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In this 18-roll stand, the very thin rolls are supported against lateral buckling. With the 18-HS mill design, high-strength and stainless steel grades can be produced more efficiently. Integrated in a continuous tandem cold mill, our 18-HS allows you to set up a full, continuous production route for stainless steel.
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> TCM - Tandem Cold Mill. > CRM - Cold Reversing Mill. > CRTM - Combined Cold Reversing and Temper Mill. > DCR - Double Cold Reduction and Temper Mill. > HSKM - Hot Skin-Pass Mill. Direct …
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Coupled Vibration Characteristics Analysis of Hot Rolling Mill with Structural Gap. G. Zhang Jiahan Bao Wenhao Li Zhichong Wang Xiangshuai Meng. Engineering, Materials Science. 2021. It is important to study the vibration of rolling mills to improve the stability of rolling production. A dynamic rolling process model is established by ...
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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 …
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Field measured data of 1450 mm five-stand tandem cold rolling mill in a steel plant were used to verify the rolling force prediction model proposed in this paper. The production line can stably produce 0.17 mm thin strip in batches, and the maximum rolling speed can reach 1350 m/mm, which provides technological conditions and …
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The usual products of these mills are hot and cold plates and sheets. 4. Cluster Rolling Mill. ... Its rolling capacity is higher than a cluster machine but less than a tandem rolling machine. 6. Tandem or Continuous Mill. In this tandem mill types of rolling mills, It includes a number of non-reversing two-high rolling mills provide one …
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In August 2013, a coupled pickling line and tandem cold-rolling mill supplied by Primetals Technologies commenced operation at Ternium Mexico S.A. de C.V. (Ternium Mexico) in Monterrey.The facility, which has an annual rolling capacity of 1.5 million tons, is part of a major investment by Ternium to increase its production of advanced steel …
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The reversing cold rolling mill is the all-rounder among the cold rolling mills: Here, thin strips, thick strips, soft grades, high-strength and ultra-high-strength strips can be rolled in succession on one and the same plant. ... Our new CVC ® plus M 18/4 stand for reversing and tandem mills is a multipurpose mill that covers a very wide ...
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The continuous pickling line coupled with a multi-stand tandem cold mill provides significant improvements in terms of plant efficiency, productivity, product quality and cost savings. These are the results of the elimination of the intermediate storage of pickled coils and the need for strip threading, improving material yield and running time.
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Each stand of the 4-Stand Tandem Mill is driven by two respective four DC motors. The DC drives are supplied via two motor-generator sets, each consisting of a 19.5 MW synchronous motor and four genera-tors. Each generator supplies the armature circuits of two or three main motors. The load is balanced via the field supply.
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The function of the tandem cold-rolling mill (Fig. 3) is to reduce the thickness of the incoming strip, supplied in a coil at room temperature, by a factor of 2–10, so the outgoing strip should have a uniform thickness with typical dimensions of 20– 50 in width, and 0.007– 0.012 in thickness (Bryant, 1973). The product is commonly used by ...
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This paper presents a new method for determining the importance of damage evolution and power consumption based on material properties. This method …
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This technology is being used in cold rolling mills (CRM) as well as tandem cold mills (TCM) and contributing to the higher quality of products and improved yield in the sheet width direction. A single roll crown has a wide crown range, from broad to narrow. When the roll shifts to the crown position in accordance with the strip width, the gap ...
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The Tandem Cold Mill consists of three to six mill stands arranged in series to progressively and effectively reduce the thickness of the strip in a single pass. With its powerful reduction and highest production rates, …
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tion for a tandem cold rolling mill based on industrial constraints [4]. Pires et al. utilized a non-linear simplex optimization method to optimize reduction distribution in tandem cold mills [5 ]. Okada et al. investigated the eect of pass schedules in a tandem cold rolling mill. Based on the numerical optimization methods, they improved the
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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 …
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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 …
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The tandem mills consists out of a series of rolling stands that thin the steel strips. One of our tandem mills works exclusively for the automotive industry, the other produces products for the remaining branches. After having passed through the cold rolling mill, the steel strip is hardened. This entails that it is no longer able to be ...
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Perfect for such a production are SMS group tandem cold mills (TCM) - our powerful and at the same time economically efficient flagships in the cold rolling sector. You can operate them in either batch or continuous …
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Mill chatter in tandem cold rolling mill is a major rejection to the quality and production of the strips. In most mill vibration models, either the roll mass is usually limited to vibrate in ...
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Tandem cold rolling mills are named by their stand arrangement and designed as "sheet mills" if they reduce hot band to sheet gauge or "tin mills" if they roll the same incoming material to tinplate stock. A typical five stand tandem cold rolling mill is illustrated in Figure 1. Figure 1: A typical five stand tandem cold rolling mill
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Tandem cold rolling is a highly automated industrial process, which consists of a lot of detection components and control subsystems. ... Nonlinear receding horizon control of thickness and tension in a tandem cold mill with a variable rolling speed. ISIJ Int, 52 (1) (2012), pp. 87-95. CrossRef View in Scopus Google Scholar [12] Afram A ...
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Flexibility and productivity in cold rolling of aluminum. SMS group offers single-stand cold rolling mills for a broad spectrum of aluminum alloys and thin strip and multi-stand tandem cold mills as the solution for a large production capacity. We completed our portfolio of cold rolling mills by the EDT rolling mill, especially designed for ...
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The interstand tension control is one of the most important ways to meet tight tolerances for strip product quality during tandem cold rolling process. Using coordinate analysis and parabolic approximation for the mass flow balance principle, the strip velocities eliminating the use of forward slips and backward slips were calculated.
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This book deals with a novel and practical advanced method for control of tandem cold metal rolling processes based on the emerging state-dependent Riccati equation technique. After a short history of tandem …
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Tandem cold rolling is a highly automated industrial process, which consists of a lot of detection components and control subsystems. During the practical production process, recoiled hot strips pass through multiple stands in turn with a large rolling force, and target strip product can be efficiently obtained using a cold rolling control system.
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DOI: 10.1007/s00170-022-10196-1 Corpus ID: 252615562; Modeling and validation of bending force for 6-high tandem cold rolling mill based on machine learning models @article{Li2022ModelingAV, title={Modeling and validation of bending force for 6-high tandem cold rolling mill based on machine learning models}, author={Jingdong Li and …
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The Tandem Cold Mill consists of three to six mill stands arranged in series to progressively and effectively reduce the thickness of the strip in a single pass. With its powerful reduction and highest production rates, the Tandem Cold Mill helps steel producers to meet the growing demand for advanced steel grades by enabling high …
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Tandem cold rolling mills are comprehensive dynamic systems coupling with structure and rolling technology. A frequent problem is mill chatter, often occurring …
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This paper deals with a system design problem for tandem cold mill. A multi-objective optimization model of rolling schedule based on cost function was proposed to …
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Cold Rolling Mill. Cold Rolling Mill. Unlike hot rolling, Cold rolling mill involves the passing of steel and other metal materials sheet between more than one rotating roll at a temperature below the …
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