Reversible Cold Rolling Mills Shape Control

Home Reversible Cold Rolling Mills Shape Control

Originally, these mills were designed to be without shape control, as it was thought that the mechanical crown adjustments would suffice, however, modern quality and productivity requirements have meant that successfully operated mills do …China 6 Hi Reversible Cold Rolling Mill Machine with High Precision Roller & Private Customization Service, Find details about China Cold Rolling Machine, Cold Rolling Mill from 6 Hi Reversible Cold Rolling Mill Machine with High Precision Roller & Private Customization Service - Hebei Moran Environmental Protection Technology Corp.


Since the strip shape is a key indicator of quality, the shape control technology is the core technology of hot strip production. There are several factors which influences the shape of rolled strip in the hot strip mill (HSM). One of the key objectives in rolling of strip in HSM is to achieve the target thickness with optimum quality in terms ...The shape detecting system was successfully used in Angang 1 250 mm HC 6-high reversible cold rolling mill. The precision of shape detecting is 0.2 I and the shape deviation is controlled within 6 I after the close loop shape control is input.


Reversing Cold Mills (RCM), consisting of a rolling stand, are the ideal plant type for an annual production in the range of 100,000 to 500,000 tons. They can roll a wide range of steel grades. Reversing cold mills are also a good solution for demanding silicon or stainless steels.Full- scale rolling is compared with laboratory experiments for the squareoval and.FirstOpNet DCS system for Cold Rolling Mills with adaptive control. rolling mill technology pdf Improved AGC Control using adaptive technique in Cold Rolling Mill pdf 616kB.by a tandem cold-rolling mill are of substantial interest to a steel industry.


Research and Development Trend of Shape Control for Cold Rolling Strip 1249 123. strip shape exists in the ultra-wide strip rolling process, and ... cold rolling mill was established by Bai, et al. [35]to control strip edge drop and keep the rolling process stable.Sourcing Guide for Reversible Rolling Mill: China manufacturing industries are full of strong and consistent exporters. We are here to bring together China factories that supply m


DOI: 10.1002/ACS.2977 Corpus ID: 127408203. Hamilton‐based adaptive robust control for the speed and tension system of reversible cold strip rolling mill @article{Liu2019HamiltonbasedAR, title={Hamilton‐based adaptive robust control for the speed and tension system of reversible cold strip rolling mill}, author={L. Liu and Nuan Shao and Minghao Lin and Yi-ming Fang}, …4-Hi reversible cold rolling mill. Uses and characteristics. 1. It is suitable for strip rolling of plain carbon steel, stainless steel, special steel and so on. 2. Divided into the work roll and backup roll transmission mode: ordinary electric pressing and AGC hydraulic pressing two control modes. 3.


High quality 380v Reversing Cold Rolling Mill With Xray Thickness Guage from China, China's leading 380v reversing cold rolling mill product, with strict quality control iso reversing cold rolling mill factories, producing high quality 380v cold rolling mill reversing products.The 20 cold rolling mill of AT&M is equipped with high precision Automatic Gauge Control (AGC) system and convenient rolling procedure management system, with characteristics of high rolling speed, accurate thickness, excellent shape, stable control etc. During rolling process, control accuracy of strip thickness could achieve within 2% of the ...


Cold rolling, hot rolling, plate shape control technology, including design and optimization of roll shape; ... Complete sets of equipment and technology for dual stand reversible cold rolling mill. The technology chooses different rolling passes according to the material, specification and production conditions of the rolled strip, so that the ...My reversible cold rolling mill is provided by Enhancing Technology in 2012. This is a nice promising company and they provided me good quality and service.---Suvit from Thailand. We are satisfied with Enhancing Technology's reversible cold rolling mill and its service. So we are buying spare parts from them now.---Dien Nguyen The from Vietnam


The automatic flatness control system, IHI Sheetflat, has been applied to many cold rolling mills since 1985. The pneumatic type shape roll is used as the shape sensor. Recently, requirements for quality products have become much more important. Therefore, performance of the shape roll has also been improved to meet the requirements. Strip shape is evaluated based on the Fourier's analysis ...Based on the shape detecting principle and the DSP (Digital Signal Processing) technology, a high-precision shape detecting system of cold rolling strip is developed to meet industrial application. It was successfully used in Angang 1250 mm HC 6-high reversible cold rolling mill. The precision of shape detecting was 0.2 I, the shape deviation was controlled within 6 I after the close loop ...


According to the functions or types of Wholesale Reversible Rolling Mill, Wholesale Reversible Rolling Mill can be classified into many types. Be honest about your volume and chooThis paper deals with the shape control methodology for Sendzimir cold-rolling steel mills. Due to the several problems which come from the Sendzimir mills' complicate structure, designing automatic shape control system for these mills was one of the main control issues in cold rolling industries. The multi-variable problem and model uncertainty were regarded as main cause which …


Le Liu, Suyan Ding, Jie Gao, Yiming Fang, Adaptive Nonsingular Terminal Sliding Mode Backstepping Control for the Speed and Tension System of the Reversible Cold Strip Rolling Mill Using Disturbance Observers, IEEE Access, 10.1109/ACCESS.2019.2956188, 7, (171246-171259), (2019).Single-stand reversing cold mills. Depending on the product mix, a single-stand cold rolling mill can deliver rolling capacities of 100,000 to 400,000 t/a. Rolling schedules can be carried out with an even or odd number of passes to maximize mill availability and performance.


China 4- Hi Reversible AGC Cold Rolling Mill for Stainless Steel, Find details about China Rolling Mill, Machinery from 4- Hi Reversible AGC Cold Rolling Mill for Stainless Steel - …Shape and Gauge Control of Strip in a Cold Rolling Mill. satyendra; October 6, 2020; 1 Comment ; AFC, AGC, GBC, GFG, GMC, HGC, reversing mill, SC, tandem mill, TCG, TCS, TCT, Shape and Gauge Control of Strip in a Cold Rolling Mill. The economic efficiency of metal rolling processes is strongly correlated to the quality level of the end-rolled ...


Zhang et al. adopted GA to optimize PIDNN and proposed flatness intelligent control method based on GA-PIDNN for 900 HC reversible cold rolling mill in this paper . Wang et al. proposed a new multivariable optimization algorithm with global …12%The shape detecting system was successfully used in Angang 1 250 mm HC 6-high reversible cold rolling mill. The precision of shape detecting is 0.2 I and the shape deviation is controlled within 6 I after the close loop shape control is input.


The reversing cold rolling mill is so named because the steel runs back and forth between the rollers, reducing the thickness further with each pass. Steelscape's reversing cold rolling mill employs closed-loop computerized quality control gauges, a unique feature for reversing mills. These gauges ensure close tolerances for thickness and shapeS6-high cold rolling mill - andritz. A special feature of Sundwig S6-high rolling mills are the side-supported work rolls. The patented Sundwig S6-high side support stabilizes the work rolls in this type of mill stand using mechanical, hydraulic lateral support equipment, thus preventing lateral excursion of …


Choose the actual rolling parameters of a rolling schedule as follows: The coordinated tracking control response curves of the reversible cold strip rolling mill are shown as Fig. 2.The purpose of the reversing mill is to reduce the thickness of the steel to the customer's specifications. The hot roll band passes back and forth between the rolls until it reaches the specified thickness. Benefits of reversing mills include: Flexible, low-cost rolling of a wide range of products. Tight strip thickness and shape tolerances.


Cold Rolling Plant, Jinan Iron and Steel Group Co Ltd. j inan 250101, Shandong, China) Abstract: In order to lucubrate the rolling characteristic of the two stands reversible cold rolling mill and establish the tension and thickness control strategy, the steady-state characteristic simulating program was established using the steady-state ...This system was successfully used in Angang 1250 mm HC 6-high reversible cold rolling mill. Then the shape index and the quality stability of cold rolling strip were increased significantly, the errors between the calculated values and measured values of the total tension were less than 3%, the precision of shape detecting is 0.2 I and shape ...