Relevant bibliographies by topics / Rolling-mill machinery

Academic literature on the topic 'Rolling-mill machinery'

Author: Grafiati
Published: 4 June 2021
Last updated: 27 July 2024

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Journal articles on the topic "Rolling-mill machinery"

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Chen, Da Li, and Xue Hui Hua. "Large-Scale Board Host Rolls over the Production Line Main Electrical Machinery's Electric Control." Advanced Materials Research 479-481 (February 2012): 2433–37. http://dx.doi.org/10.4028/www.scientific.net/amr.479-481.2433.

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Elaborated the large-scale board rolling mill main electrical machinery electric control system, in view of main rolling mill request low speed, reliable, precise characteristic, has used Siemens Corporation's S7-300PLC, the 6RA70 installment and the corresponding intelligent module, causes the main rolling mill movement to be reliable, the precision is high, the intelligence is good, moreover might satisfy the different technological requirement. After the test, the use indicated that this system has achieved the design requirements.
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Liu, Hai Sheng, Jie Zhang, Kai Fu Mi, and Jun Xia Gao. "Simulation on Hydraulic-Mechanical Coupling Vibration of Cold Strip Rolling Mill Vertical System." Advanced Materials Research 694-697 (May 2013): 407–14. http://dx.doi.org/10.4028/www.scientific.net/amr.694-697.407.

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Based on vibration problems of a six roller cold rolling mill, hydraulic-machinery coupling vibration system dynamic model of the 2180mm 4-stand tandem cold rolling mills was built integrated the software of MATLAB and ADAMS and simulated. The simulation result was consistent with that of the field test data revealed by rolling mill vibration. Through the comparison of the vertical systems motion displacement, velocity, acceleration under the different work condition, coupling vibration causes and evolution mechanism was analyzed, that had practical value to further control mill motor behavior.
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Brusa, Eugenio, Cristiana Delprete, and Lorenzo Giorio. "Smart Manufacturing in Rolling Process Based on Thermal Safety Monitoring by Fiber Optics Sensors Equipping Mill Bearings." Applied Sciences 12, no. 9 (April 21, 2022): 4186. http://dx.doi.org/10.3390/app12094186.

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The steel rolling process is critical for safety and maintenance because of loading and thermal operating conditions. Machinery condition monitoring (MCM) increases the system’s safety, preventing the risk of fire, failure, and rupture. Equipping the mill bearings with sensors allows monitoring of the system in service and controls the heating of mill components. Fiber optic sensors detect loading condition, vibration, and irregular heating. In several systems, access to machinery is rather limited. Therefore, this paper preliminarily investigates how fiber optics can be effectively embedded within the mill cage to set up a smart manufacturing system. The fiber Bragg gratings (FBG) technology allows embedding sensors inside the pins of backup bearings and performing some prognosis and diagnosis activities. The study starts from the rolling mill layout and defines its accessibility, considering some real industrial cases. Testing of an FBG sensor prototype checks thermal monitoring capability inside a closed cavity, obtained on the surface of either the fixed pin of the backup bearing or the stator surrounding the outer ring. Results encourage the development of the whole prototype of the MCM system to be tested on a real mill cage in full operation.
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Klinkov, Maksim, and Roger Feist. "The Virtual Rolling Mill – Enhancing Product Development and Commissioning." Materials Science Forum 854 (May 2016): 231–36. http://dx.doi.org/10.4028/www.scientific.net/msf.854.231.

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Achenbach supplies worldwide with first-class customized rolling mills and machinery for the manufacturing of flat-rolled products from non-ferrous metals. In order to fulfil the customer-specific production requirements, Achenbach developed a wide variety of options for specific subjects. The control of the strip quality parameters like flatness or thickness in the rolling process is a key performance index.An increase of computation power in the field of industrial computers gave a chance to develop more complex model based control algorithms, which led to a significant improvement of the strip quality. In addition it gave an impulse for the development of a comprehensive mathematical model of the rolling mill.This paper will present the general virtual Achenbach Rolling Mill which is a digital representation of the rolling process in general and the behavior of the major actuators in the rolling process in detail. The behavior of drives, strip-tensions, and roll-gap is simulated in a multi-variable real-time environment. In the same environment the OPTIROLLi3®- model based controls can interact with the virtual machine. A vast number of challenges of the real rolling situation can be demonstrated by working on this ‘mill simulator’ and improved solutions are developed taking advantages from this platform. As the virtual machine allows all kinds of virtual testing without scrapping ‘real material’ a wide range of applications is possible for this virtual rolling mill. Some results from the SIL (software in loop) simulation will be presented for better clarity.
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Поляков, Борис, and Boris Polyakov. "Experience in CAD system introduction of rolling-mill machinery at Uralsmashzavod." Science intensive technologies in mechanical engineering 2, no. 12 (December 13, 2017): 40–46. http://dx.doi.org/10.12737/article_5a313b6558b440.24460803.

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A chronology and a sequence of works for more than 20 years in the development of different computer program packages which have formed a basis of a future CAD system of technologies and rolling-mill equipment at the enterprise of Uralsmashzavod are presented. The descriptions of the most efficient software packages are given to solve the optimization problems in different processes of blank deformation, parameters of mechanisms and their drives, design parameters of load-bearing parts and complex units from the point of view of strength and life obtaining.
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Bednyakov, V. V., E. A. Gudov, and S. A. Lagutin. "EZTM experience in designing and manufacturing of rolling mill main drive gearboxes." Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information 76, no. 10 (October 18, 2020): 1035–42. http://dx.doi.org/10.32339/0135-5910-2020-10-1035-1042.

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The experience of the Electrostal Heavy Machinery Plant (EZTM) in designing and production of special gearboxes and gear stands for main drive of various rolling mills is summed up. The specifics of section and ball-rolling mills, piercing and reduction mills, mills for cold rolling of tubes and mills for the production of reinforcing bars are considered. It was shown that at designing of special gearboxes for the main drives of rolling mills, the designer, taking into account the parameters of the mill, must build a cyclogram of their loading, which depends both on the range of rolled products and on the variability of loads within the rolling cycle of one billet. In the Designing Department of EZTM, the strength calculation of gears of different types is carried out in the REDUK 4.3 software package, which allows performing strength calculations of gears taking into account the expected loading cyclogram. At the same time, the program provides the initial data for calculating the shafts and bearings, i.e, the forces in engagement and the rotational speed of each of the shafts for the first stage of the cyclogram. The geometrical parameters of the gears are optimized according to the criterion of contact and flexural strength, both between the stages and within each of them.The load sequence diagram depends both on the range of rolled products, and variable loadings in a rolling cycle of a workpiece. Geometric parameters of gears are optimized by contact and bending equal strength, as between the stages as within each of them. Carburizing, hardening and grinding of teeth are provided and secured technologically. Currently, the gearboxes manufactured by the plant are successfully operated at many metallurgical enterprises, both in Russia and abroad. Among them, the gearboxes of main drive of the piercing mill of the Seversk Pipe Plant, the mills for cold rolling of tubes in the USA and China, the section mills at the Yartsevo Casting and Rolling Plant, the reduction mill at the Dnepropetrovsk Metallurgical Plant, etc.
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Du, Rui, Zhiqi Liu, Lei Ge, Jinyuan Cui, and Lei He. "A New Electrohydraulic Hybrid Energy-Saving System Used on the Reversible Rolling Mills." Advances in Materials Science and Engineering 2023 (February 9, 2023): 1–17. http://dx.doi.org/10.1155/2023/3316392.

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In the face of the global energy crisis, the use of hybrid technology is an important way to achieve efficient energy storage and utilization. Hybrid systems have been successfully applied to automobiles and construction machinery, but no research study has been conducted on the design and application of energy recovery systems for reversible rolling mills. This article proposes a new type of noncoaxial parallel electrohydraulic hybrid drive system configuration for reversible rolling mills to save energy. It is proposed to collect the braking energy of the previous pass of the reversible rolling mill roll and the surplus power of the original primary drive motor and then start or accelerate the process for the next roll pass. A test experiment was established and the energy-saving efficiency of the proposed system was verified. By rolling 14 passes, 255.892 kJ of energy can be recovered. The overall energy efficiency rate is around 71.547%. The system will significantly promote energy saving, low carbon, green, and other aspects of the reversible rolling mills.
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Lin, Shuilin, Jianliang Sun, Chen Zhao, and Yan Peng. "Research on Dynamic Characteristics of the RBBH System Based on Dynamics Model and Vibration Data Fusion." Sensors 22, no. 10 (May 17, 2022): 3806. http://dx.doi.org/10.3390/s22103806.

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The roll-bearing-bearing housing (RBBH) system is one of the most common kernel structures used to determine strip mill stability and product surface quality in modern metallurgical machinery. To better understand dynamic characteristics of the RBBH system, this paper provides a nonlinear dynamic model and designs an engineering test platform on the RBBH system in the whole rolling process. First, a nonlinear dynamic model of the RBBH system supported by four-row rolling bearings under high speed and heavy load is established. Then, the method of combining Riccati transfer matrix and Newmark-β numerical integration is employed to solve nonlinear dynamic equations. After that, the engineering test platform is designed and assembled to capture and analyze the vibration signals of weathering steel (SPA-H) with finished thicknesses of 1.6 and 3.2 mm. Finally, the dynamic characteristics of the RBBH system are studied with the method of the dynamic model and vibration data fusion. The results show that the SPA-H with a finished thickness of 1.6 mm is rolled, the RBBH system fluctuates violently in both horizontal and vertical directions, and numerical results are highly consistent with experimental results in acceleration response, velocity response, and displacement response. In addition, the dynamic performance parameters of the four-row rolling bearing will also fluctuate greatly. Finally, there is significant interest to gain the benefits for the RBBH system design and mill stable rolling purposes.
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Tan, Jian. "Fast and Accurate Position Determination of Multimodal Couplings of Steel Rolling Machinery and Equipment Combined with Multimedia Optimized Particle Filters." Advances in Multimedia 2021 (December 11, 2021): 1–7. http://dx.doi.org/10.1155/2021/3693503.

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During the overhaul and maintenance of the transmission system of the modern rolling mill, a very common problem is the positioning of the motor and the reducer or speed increaser. The operation of the equipment and the service life of the equipment will be significantly affected by the accuracy of the multimodal coupling position determination. Therefore, precise positioning and rapid positioning must be achieved. This article intends to analyze how this type of equipment achieves rapid and accurate positioning and what factors will affect the location determination process.
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Tobin, Elizabeth H., and Jennifer Gibson. "The Meanings of Labor: East German Women's Work in the Transition from Nazism to Communism." Central European History 28, no. 3 (September 1995): 301–42. http://dx.doi.org/10.1017/s0008938900011857.

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In Christoph Wetzel's 1988 painting, An Everyday Story, the divided canvas proudly depicts women's accomplishments in the German Democratic Republic (Figure 1). On one side, a woman operates a large piece of heavy machinery in a rolling mill, cool and competent behind the enormous mass of metal and gears. On the other side, the same woman helps her two children prepare for school in the morning. In the act of combing her daughter's hair, she looks out directly at the viewer, her expression asking: “And what are you surprised at?” This painting, displayed as part of a 1995 exposition on art commissioned by government agencies in the GDR, graphically displays that government's ideological commitment to women's paid labor, especially in jobs that, in capitalist societies, are often thought to be inappropriate for women.
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Dissertations / Theses on the topic "Rolling-mill machinery"

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Shoukr, Shoukry Latif. "Contact stresses in interference-fit joints with application to sugar-mill roller assemblies." Diss., The University of Arizona, 1989. http://hdl.handle.net/10150/184928.

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The interference-fit joint is widely used in machine design to connect two cylindrical machine elements. Its popularity comes from the simplicity of the assembly and the low cost of the production process. Even so, no study has examined the boundary non-linearities in the assembly of these joints. Moreover, the contact stresses and the stress concentration factors in interference-fit joints under torsional loads have not yet been examined in detail. In addition, the interface stresses and stress concentration factors in interference-fit joints subjected to bending loads have not been approached theoretically before. The sugar-mill roller is one of the oldest and most important examples of the interference-fit joints. The frequent fatigue failure of the sugar-mill rollers under reversed bending causes costly emergency line-shut downs. The versatility of the finite element method and the capability of the point-matching technique in handling contact problems have been combined, in the present work, to produce a surface-matching technique. It has been found that the complete-cohesion contact assumption may be acceptable for coefficients of friction ≥ 0.2, which is the case for most of the normally machined surfaces. An approach combining the semi-inverse displacement finite element method and the surface-matching technique has been developed to perform the torsional analysis. It has been found that the governing non-dimensional quantities are the ratio of the cohesion-length to the interface-length and the coefficient of friction divided by the load-level. The load-level is the ratio between the angle of twist of the shaft per unit length when the torque acts on the shaft alone and the amount of the diametral interference divided by the shaft diameter. A finite element model, using 8-noded solid elements together with linear interface elements, has been employed to locate the cohesion and slippage-zones in the sugar-mill roller under bending. The contact pressure increases along the compression side and decreases along the tension side. On the contrary, the interface shear decreases along the compression side due to bending and increases along the tension side. Subsequently, a larger slippage-length has been detected along the tension side.
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Miescher, Christian H. "Design of a multi sensor system for a pinch and roll machine." Ohio : Ohio University, 1997. http://www.ohiolink.edu/etd/view.cgi?ohiou1177088477.

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Oppermann, Ingo. "3D-Simulation und Planung von Anlagen der Hütten- und Walzwerkstechnik." Universitätsbibliothek Chemnitz, 2009. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200900806.

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In der Präsentation werden typische Engineeringaufgaben präsentiert, die mit modernen IT-Werkzeugen erledigt werden. Es wird auf die Einführung und die Durchgängigkeit eines 3D-CAD-Systems eingegangen und gezeigt, wie mit diesem System Simulations- und Prozesskettenthemen in der Praxis bei der SMS Siemag AG behandelt werden. Ebenfalls anhand von Beispielen wird die Thematik der großen Baugruppen und der Anlagenplanung im 3D-Engineering dargestellt.
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Carlsson, Fredrik. "On impacts and ride-through of voltage sags exposing line-operated AC-machines and metal processes." Doctoral thesis, KTH, Electrical Systems, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3681.

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During the last decade, power quality has been recognised asa global problem. Among different types of power qualityproblems, voltage sags have been identified to be one of themost severe problems for different process industries. The mostcommon reason to voltage sags is lightning strikes in powerlines. Protection equipment, usually located at switchyards,disconnect faulted power lines as soon as possible, which isapproximately 100 ms. Thus, the duration of voltage sags areapproximately 100 ms. The sensitivity to voltage sags ofelectrical equipment in process industries can be observed asfor instance malfunction, automatic turnoff or damages.

This thesis gives an overview of three metals processes withfocus on the sensitivity to voltage sags and interruptions. Theinherent energy in the process is used to find the sensitivity.This energy may also be used to obtain "ride-through" for theprocesses. The three metals processes are a blast furnaceprocess, a hot rolling mill process and a cold rolling millprocess. The main attention in this thesis is paid to the blastfurnace process, which is powered by a line-operatedsynchronous machine.

The thesis shows that the protection equipment forelectrical machines can be adjusted to avoid unnecessaryshutdowns. It is also explained why there are high torque andcurrents during voltage sags as well as after voltage sags. Itis shown that the first peak torque and current during thevoltage sags is almost proportional to the voltage change, thatis the voltage magnitude before the voltage sag minus thevoltage magnitude during the voltage sag. The first peak torqueand current after the voltage sag depends sinusoidal-like onthe duration of the voltage sag and almost proportional to thevoltage change during the voltage sag. There is no fluxsaturation during voltage sags, however after voltage sagssaturation is very likely to occur. The thesis explains why andalso how the flux is changed during and after voltage sags.

The duration of voltage sags is in many cases set by theprotection equipment located in switchyards. It is shown thatthe durations of voltage sags can be changed to durations thatwill cause less peak torque and current after voltage sags forline-operated AC-machines. It is also shown how this istheoretically achieved.

Keywords:Rolling mill, Blast furnace, Power Quality,Synchronous machine, Asynchronous machine, Voltage sag, Voltageinterruption, Ride-through, Process disturbances, Simulation,Modelling

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Zhang, Kun. "Modeling and control of mechanical impact on the spindles of hot steel rolling mill." 2002. http://arrow.unisa.edu.au:8081/1959.8/45757.

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Spindle failure during fast steel rolling is one of the major equipment failures encountered at Onesteel Whyalla Steelworks (WS). Spindle failure whilst infrequent has been occurring over a long period of time and is a significant cost impost in terms of replacement parts, repair and lost production. Previous attempts at mechanical analysis and spindle redesign have not rectified the problem. This thesis presents an in-depth investigation of the problem and uses a completely new approach, modeling and control, to obtain a solution to the problem.
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Hamman, Gert J. M. "An investigation of Steckel mill coiler drum failure mechanisms." Thesis, 2008. http://hdl.handle.net/10210/602.

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Coiler drums are integral components of the Steckel mill reversing hot strip rolling process. A Steckel mill produces hot rolled strip steel from cast slabs, which are heated before being converted, via roughing, to a transfer bar, of which the thickness is subsequently reduced to the desired gauge by means of a reverse rolling process performed by the Steckel mill. Coiler drums are located inside two Steckel furnaces, which are positioned on both sides of the mill stand. As the strip thickness is reduced during each pass, the length increases. In order to obtain high rolling speeds and retain temperature, the strip is successively coiled and uncoiled, under tension, onto and from the heated coiler drums during processing. As coiler drums have a high unit cost and a significant impact on the quality of the finished product, coiler drum performance is important to Steckel mill operators. The high cost is associated with the high alloy composition of the casting and the specialised manufacturing process required for the production of coiler drums. Deterioration of the coiler drum condition over its service lifespan can adversely affect the quality of the final product, namely coiled strip. This investigation was therefore undertaken to gain insight into coiler drum failure mechanisms, which will benefit Steckel mill operators, mill suppliers and coiler drum suppliers.
Professor R.F. Laubscher
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Makgoale, Dineo Mokganyetji. "Effects of mill rotational speed on the batch grinding kinetics of a UG2 platinum ore." Diss., 2019. http://hdl.handle.net/10500/26498.

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In this study, the effect of speed was investigated on the breakage rate of UG2 platinum ore in a batch mill of 5 dm3 and 175 mm internal diameter. One size fraction method was carried out to perform the experiment. Five mono-sized fractions in the range of 1.180 mm to 0.212 mm separated by √2 series interval were prepared. The fractions were milled at different grinding times (0.5, 2, 4, 15 and 30 min) and three fractions of mill critical speed were considered (20%, 30%, and 40%). The target of critical speed below 50% was due to the need of lower energy consumption in milling processes. The selection and breakage function parameters were determined and compared for fractions of critical speed. First the grinding kinetics of the ore was determined and it was found that the material breaks in non-first order manner. Thereafter, effective mean rate of breakage was determined. It was found that the rate of breakage increased with increase of mill speed and optimum speed was not reached in the range of chosen mill speed fractions. Again the rate of breakage was plotted as a function of particle size, the optimum size was 0.8 mm when milling at 30% critical speed. As for 20% and 30% optimum size was not reached. The selection function parameters estimated at 30% critical speed were 𝑎0 = 0.04 min−1 , 𝛼 = 1.36, 𝜇 = 0.9 mm, and Λ = 3. Breakage function parameters were determined and was noticed that the material UG2 platinum ore is non-normalised, i.e. Φ value was changing from 0.25 to 0.90 depending on feed size and mill speed. The parameters 𝛽 and 𝛾 were constant at 7.3 and 1.17 respectively.
College of Science, Engineering and Technology
M. Tech. (Chemical Engineering)
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Shen, Hsin-Hong, and 沈信宏. "Finite Element Analysis of the Rolling Process of High Reduction Machine of Three-roll Planetary Mill." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/71309970597859699212.

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碩士
國立中山大學
機械工程學系
87
The purpose of this study is to analysis metal rolled under 3-roll planetary high reduction mill (HRM) by means of the finite element method with an elastic-plastic model‧ With finite element software package MARC，this study created a fully three-dimension model of the rolling process of HRM‧After the numerical simulation，load distribution、stress-strain rate distribution curve and the influence of the different off set angle affecting the loading distribution will be conducted‧The significance of this study will provide the steel industry with references of selecting the applying load and torque condition for different off set angle rolling process‧
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Books on the topic "Rolling-mill machinery"

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Canada, Industry Science and Technology Canada. Metal rolling mill and welding equipment. Ottawa, Ont: Industry, Science and Technology Canada, 1988.

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Canada. Industry, Science and Technology Canada. Metal rolling mill and welding equipment. Ottawa, Ont: Industry, Science and Technology Canada, 1991.

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Poli︠a︡kov, B. N. Povyshenie kachestva tekhnologiĭ i dolgovechnosti oborudovanii︠a︡ prokatnykh stanov. Ekaterinburg: Izd-vo Sverdlovskogo inzhenerno-pedagog. in-ta, 1993.

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N, Poli͡a︡kov B., ed. Nagruzhennostʹ, nesushchai͡a︡ sposobnostʹ i dolgovechnostʹ prokatnogo oborudovanii͡a︡. Moskva: "Metallurgii͡a︡", 1990.

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Ivoditov, A. N. Rekonstrukt͡s︡ii͡a︡ i modernizat͡s︡ii͡a︡ sortovykh prokatnykh stanov. Moskva: "Metallurgii͡a︡", 1993.

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A, Ri͡u︡mshin N., Golovan Ė V, and Kyïvsʹkyĭ instytut avtomatyky imeni XXV z'ïzdu KPRS., eds. Informat͡s︡ionno-izmeritelʹnye ustroĭstva i sistemy prokatnykh stanov: Sbornik nauchnykh trudov. Kiev: Kievskiĭ in-t avtomatiki im. XXV sʺezda KPSS, 1990.

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Władysław, Dobrucki, ed. Podstawy konstrukcji i eksploatacji walcowni: Obliczenia i badania. 3rd ed. Kraków: Wydawn. AGH, 1991.

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Association of Iron and Steel Engineers., ed. Hot strip mill profile and flatness study: Phase 1. Pittsburgh, Penn. (Suite 2350, Three Gateway Center, Pittsburgh 15222): Association of Iron and Steel Engineers, 1986.

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Berezovskiĭ, S. F. Ėkspluatat͡s︡ii͡a︡ i remont oborudovanii͡a︡ profilegibochnykh stanov. Cheli͡a︡binsk: Metallurgii͡a︡, Cheli͡a︡binskoe otd-nie, 1991.

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V, Bobrov V., ed. Uluchshenie ėkspluatat͡s︡ionnykh svoĭstv detaleĭ prokatnogo oborudovanii͡a︡. Kiev: "Tėkhnika", 1988.

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Book chapters on the topic "Rolling-mill machinery"

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Glushchenko, Anton I., and Vladislav A. Petrov. "On Comparative Evaluation of Effectiveness of Neural Network and Fuzzy Logic Based Adjusters of Speed Controller for Rolling Mill Drive." In Advances in Neural Computation, Machine Learning, and Cognitive Research II, 144–50. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-030-01328-8_15.

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Jha, Rajesh, and Bimal Kumar Jha. "Case Study #14: Effect of Operating Parameters on Roll Force and Torque in an Industrial Rolling Mill: Supervised and Unsupervised Machine Learning Approach." In Artificial Intelligence-Aided Materials Design, 271–97. Boca Raton: CRC Press, 2022. http://dx.doi.org/10.1201/9781003167372-14.

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Akgun, Caner Can, A. Tamer Erturk, and Sedat Karabay. "Investigation of Luders Band Defects in Cold Rolling of Ferritic Stainless Steel Sheet Surface." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230461.

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The production lines of the Iron and Steel Industry can realize high quality, high speed, and punctual production thanks to the harmonious coordination of various equipment and systems. However, due to the numerous variables arising from feedstock, machinery, or operators, productivity can decrease, resulting in poor-quality products and, eventually, a loss of profitability, which can even lead to a shutdown of the business. Therefore, it is crucial for production lines affected by multiple variables to continuously analyze and optimize these factors in order to improve efficiency and maintain competitiveness. This paper aims to focus specifically on the effect of Luders Bands on the surface of rolled sheets in a stainless steel sheet cold rolling mill, providing a practical application to the existing body of knowledge. Luders Bands are elongated plastic deformation zones that can form on the surface of rolled sheets during the cold rolling process. They can significantly impact the quality and appearance of stainless steel sheets, leading to customer dissatisfaction and potential product rejection. By investigating and clarifying the impact of Luders Bands, this study aims to contribute to the understanding of this phenomenon and provide valuable insights for process optimization. The paper will propose potential strategies and techniques to mitigate or eliminate Luders Bands, thereby improving the overall quality of the rolled sheets.
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Olaogun, Olayinka, Esther Titilayo Akinlabi, and Cynthia Samuel Abima. "Electrochemical Corrosion Study of Cold-Rolled AA8015-Alloy Processed by Reversing Cold Rolling Mill at Varying Surface Roughness." In Recent Advancements in Aluminum Alloys [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.110060.

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AA8015-alloy is a general-purpose aluminium alloy having a wide range of applications. Electrochemical corrosion testing of cold-rolled AA8015-alloy processed by reversing cold-rolling mill at different surface roughness in natural seawater were investigated. The AA8015-alloy utilised in this study was cold-rolled in a reversible Achenbach cold-rolling mill in four number of passes to a gauge thickness of 1.2 mm. This industrial cold rolling process was achieved at Tower Aluminium Rolling Mill, Sango-Ota, Nigeria. The different surface roughness’s each with three cold mounted samples, 1.54 μm, 0.83 μm, 0.18 μm and 0.04 μm were achieved on automated polishing machine using 320-grit, 800-grit, 1200-grit and diamond abrasive MD-Mol respectively. Electrochemical corrosion experiments were conducted on the samples in natural seawater using a computer-controlled potentiostat in an open polarisation cell set-up at room-temperature. The corrosion behaviour on surface morphologies of the samples was observed by high-mega-pixel camera and scanning electron microscope. Findings reveal asymmetric polarisation curves, and the polarisation resistance increases as the surface roughness decreases. Consequently, corrosion-rate reduces as the surface get smoother and EDS elemental analysis shows the existence of insoluble sulphate and chloride complexes formed on the surfaces. Conclusively, surface roughness affects the corrosion resistance of cold-rolled AA8015-alloy in natural seawater.
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Morison, Elting E. "“Almost the Greatest Invention”." In Men, Machines, and Modern Times. The MIT Press, 2016. http://dx.doi.org/10.7551/mitpress/9780262529310.003.0007.

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This chapter describes the development of the Bessemer steel process. In spring 1862, a rail of Bessemer steel was laid down between two abutting iron rails in the Camden yard of the London and Northwestern Railway. Three years later, in May 1865, the first rail manufactured from Bessemer steel in the United States was produced at the North Chicago Rolling Mill. The chapter first provides an overview of steelmaking and metallurgy before discussing the commercial and intellectual development of the Bessemer steel process, along with the use of Bessemer steel in making railroads. It also considers innovations in the production of the Bessemer steel process and the patent controversy sparked by the technology, tariff protection for the process, and the Bessemer Association's price-fixing scheme. The chapter concludes by highlighting the stages involved in the innovating process: the inventive stage, the stage in which the invention is applied by the first entrepreneurs, the stage in which other entrepreneurs and engineers refine and consolidate, and the stage in which still other entrepreneurs take over to expand.
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Conference papers on the topic "Rolling-mill machinery"

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Zhu, Yu, Xianmin Cheng, and Tao Wang. "Optimization Of Hot Strip Finish Rolling Mill Schedule." In 2016 6th International Conference on Machinery, Materials, Environment, Biotechnology and Computer. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/mmebc-16.2016.344.

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Zhou, Xiaomin, and Xiaoxue Yue. "Research on the Set Curve for Tandem Cold Rolling Mill Automatic Flatness Control." In 2016 4th International Conference on Machinery, Materials and Computing Technology. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icmmct-16.2016.322.

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Zhou, Xiaomin, and Xiaoxue Yue. "Feedback Control of Decoupled Flatness and Edge drop for the Cold Rolling Mill." In 2016 4th International Conference on Machinery, Materials and Computing Technology. Paris, France: Atlantis Press, 2016. http://dx.doi.org/10.2991/icmmct-16.2016.325.

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Salvatierra, Noe, Juan Rodas, and Moises Nunez. "Cloud Condition Monitoring Platform for Steel Rolling Mill Machines." In 2021 IEEE Latin-American Conference on Communications (LATINCOM). IEEE, 2021. http://dx.doi.org/10.1109/latincom53176.2021.9647817.

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Wang, Shaofu, Weidong Yang, Ming Zhang, and Yongbin Dai. "Design of Hot Rolling Mill Plate Quality Control Model Based on WNN." In 2010 International Conference on Machine Vision and Human-machine Interface. IEEE, 2010. http://dx.doi.org/10.1109/mvhi.2010.37.

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Zandipoor, Afshin, and Reza Shamloo. "Influences of Final Pipe Forming Process by Roll Bending Method on the Mechanical Properties of SAW Pipes." In 2010 8th International Pipeline Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/ipc2010-31014.

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There are three main methods and process for forming pipes from plates “Roll Bending”, “JCOE” and “UOE”. In all of the above mentioned ways part of the pipe will remain flat, and can not achieve the desired curvature of the pipe. These areas are generally at the two longitudinal edges of the open seam pipes. For obviation of these flat areas at the longitudinal edges of the pipe, the pre forming machines for “JCOE” and “UOE” processes, and the post bending machine for “the Roll Bending” process are used. In the post bending machine the final shape of the pipes is determined based on the rate of the machine hoist pressure and the spaces between the rolling dies. These parameters can have various effects on the mechanical properties of the final welded pipes. In the research that has been conducted at SAFA Rolling & Pipe Mill Company, the amount of hoist pressure and the final shape of the open seam pipes in the post bending machine, and their influences on the mechanical properties of the welded pipes, have been investigated herein.
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You, Bo, Dong-jie Li, Ning-bo Chen, and Jia-zhong Xu. "Digitizer Guided Control System to Complicated Outline Steel Pipes in Cold Rolling Mill." In 2006 International Conference on Machine Learning and Cybernetics. IEEE, 2006. http://dx.doi.org/10.1109/icmlc.2006.258418.

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Raele, Julio Cesar Enge, and Norbert Asamer. "STATE-OF-THE-ART ABRASIVE CUT-OFF MACHINES FOR ROLLING MILL APPLICATIONS." In 57° Seminário de Laminação e Conformação de Metais. São Paulo: Editora Blucher, 2022. http://dx.doi.org/10.5151/2594-5297-34018.

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Liu, Dong. "The Control System of Modular rolling mill in high-speed bar production line." In ICMLC 2023: 2023 15th International Conference on Machine Learning and Computing. New York, NY, USA: ACM, 2023. http://dx.doi.org/10.1145/3587716.3587801.

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Sun, Menghui. "Reseach on Generalized Predictive Control in Hydraulic AGC System of Cold Rolling Mill." In 2010 2nd International Conference on Intelligent Human-Machine Systems and Cybernetics (IHMSC). IEEE, 2010. http://dx.doi.org/10.1109/ihmsc.2010.139.

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