Our product range provides essential temperature measurements at key process points, in hostile conditions. Cisdi not only provides rolling equipment which will increase your productivity. The complex control systems have been applied to hot rolling processes and, now, the control area covers the whole line. Blh nobel can provide sensors and complete measurement systems that are highly durable and withstand the extremely harsh environment in. May 28, 2009 throughout the last two decades, the flatsteel production industry has experienced great success with the introduction of new technologies and manufacturing advances for both hot and cold steel rolling. Different elements of a mill like reheating furnace, reversing roughing stands, continuous roughing stands, edgers, descalers, interstand cooling headers. Hot strip mill temperature monitoring applications thermo. Lee and lee 2002 proposed a longterm learning method using neural network to improve the accuracy of rolling force prediction in hot rolling mill. As an improvement, poliak, shim, kim, and choo 1998 examined a proposed linear regression model to predict the roll force in hot plate rolling. The hot rolling process the primary function of the hot strip mill is to reheat semifinished steel slabs of steel nearly to their melting point, then roll them thinner and longer through 12 successive rolling mill stands driven by motors totaling 77,000 hp, and finally coiling up the lengthened steel sheet for transport to the next process. These improvements are resulting in significantly reduced production costs and better product quality. This model simulates the milling process of hot rolled metal.
An investigation on the roll force and torque fluctuations. For mills that use rollers to crush grain or stone, see roller mill. Advanced process and quality control in hot rolling mills. Extensive inhouse developments enables us to provide our customer with tailor made solutions based on standard software modules developed by us for. Since the metal heats up, it is much easier to give it the necessary shape. With the oframe and cframe thicknesscontrol mts 820x and mts 920x series, microepsilon offers high precision measurement systems. It can be fully integrated in the mill control network. Therefore, hot rolled products are generally used as blanks for cold rolling.
Hsmm, a general purpose software for simulation of overall hot rolling process, has been customized for simulation of entire rolling process of a hot strip mill. Sms group hot rolling modernization sbq mill sdi duration. What they do a steel industry consulting engineering company offering machinery and a complete range of engineering services to the steel mill industry, from engineering services, machinery supply, automation systems, melt shop systems, operations training, and mill management software. Hot strip mill application infrared pyrometers used in steel mill hot rolling application. Rolling mill products asko manufactures and delivers knives and critical wear products for every type of rolling mill. Though the name indicates that it is useful for hot strip rolling, yet it can also be used to simulate plate rolling and steckel mill rolling. This mill process involves rolling and reducing steel at a high temperature to achieve the required thickness. Computer simulation of hot rolling of flat products. Only licensed accounts can download older versions of the software, but as you are licensed, you can access the brown more versions button from your downloads page to see and download older versions of flexsim, including version 6. In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness and to make the thickness uniform. Our product offering includes a wide range of nozzles and headers, for descaling, cooling, scale removal and more.
In this webinar mathworks engineers demonstrate the benefits of using simulink as a platform for modeling and control system design for a sheetmetal rolling application. Descaling from nozzles and headers to patented 3d impact testing equipment and software, we can help you optimize your descaling process. Acdq accellerated cooling direct quenching equipment. Effect of pass schedule and groove design on the metal. This helps to maintain a near square crosssection rather than an extremely rectangular cross section as obtained in flat rolling. Hot rolling mill automation, electrical engineering and hardware equipment, hot rolling process control software and mill plant supervision, predictive. Profile deviations, exorbitant thickness tolerances or surface defects on the strip cannot totally be compensated in the subsequent steps and may cause a degraded result. Hot rolling processes include preheating furnaces, scale breakers, slab scale, rough stand, finishing stand and cooling lines. Thickness measurement in hot rolling mills microepsilon. Highest performing hot strip mills primetals technologies. Depending on your final products and production volume, we develop custom solutions wherever you are in the world. This is the first in a threepart webinar series that will highlight the use of mathworks products for modeling and control of a multistage rolling mill process. Hot strip mill highest performance for new and existing steel mills the demand for hot rolled strip is growing in multiple ways. Hot rolling mill faultless rolls are the key to a first class manufacturing quality in the field of hot strip.
For steels, hot rolling is generally conducted at 8501200 c, in the austenite phase, while for aluminum it is conducted at 350500 c. Thickness measurement is one of the most important measurement tasks in hot rolling mills. Asian built hot rolling mill installation for producing bar. Hot rolling mill machine,hot rolling mills manufacturers. The starting material is usually large pieces of metal, like semifinished casting products, such as slabs, blooms, and billets. Simulating a multistage rolling mill process, part 1. Hot rolling mill factory automation with programmable logic. The production of hot strip is a key element of steel production. Over 50 years of experience in the rolling mill industry has enabled our team to develop innovations which bring hot and cold rolling processes into the 21st century, vastly improving efficiency and production costs. This technique is performed by rolling on a flat mill and rotating the piece along the longitudinal axis between passes. Every area of your hot rolling mill to ensure optimal steel quality, partner with spraying systems co. Contemporary hot rolling mill factory automation is a plc based, computerised, fast acting and reliable system. Flexsim is a fully 3d simulation software environment.
Glossary of hot rolling mill terms abc automatic bending control. Pdf on the optimization procedure of rolling mill design. A premier solution provider for complete turnkey projects for long products, hot rolling mill equipments and heavy equipment fabrication and machining. Flatrolled steel processes advanced technologies taylor. If you are interested in our hot rolling mills, such as wire rod rolling mill machine or tmt rebar rolling mill machine, please kindly contact us. Ingots of metal enter the system and are rolled out from shorter thicker pieces of metal to thinner longer pieces and are then cut at shearing stations into shippable ingots. Glossary of hot rolling mill terms system software. In a hot rolling mill process, the steel gets heated at extremely high temperature, which is generally above 1100c. Flexsim can be used to simulate any process in any industry. Platesteckel mill best of both worlds primetals technologies. Hot rolling is a metalworking process that occurs above the recrystallization temperature of the material. The advantages and disadvantages of hot rolling hani tech.
A level0 system that takes care of very fast control loops concerning bending of rolls. Thyssenkrupp steel europe spent a quarter of a million euros on renovating its hotstrip rolling mill in duisburg. Nov 06, 2016 for simulating the hot rolling process in hsmm, the first thing required is customization of the software for a particular mill using the customization procedure described in hsmm manual. This article proposes urc technology to optimize the mill design from model software calculation, to mill window layout, and even to level. Dec 04, 2017 sms group hot rolling the modernized bar mill at hyundai steel duration. Production optimization and scheduling in a steel plant. Blh nobel can provide sensors and complete measurement systems that are highly durable and withstand the extremely harsh environment in the steel industry production sites. Our plants give you what you need to respond flexibly to market demands. Hot rolling mill more highquality output with optimized solutions for hot rolling mills despite the everyday challenges of heat, lots of cooling water and highimpact forces, hot rolling mills are expected to continuously increase output while maintaining and improving the quality of the finished product. The hot rolling process california steel industries. The virtual rolling mill enhancing product development and. Hot rolling mills for long products ais automazione.
Rolling processes are used in all areas of forming technology, both in hot forging and cold forming, and of course in sheet metal forming. Electrical and automation engineering for hot rolling mills nco. Computer simulation of hot rolling of flat products software. What you can expect from our hot rolling mills are high productivity and costeffectiveness. Todays demands on productivity and quality in hot rolling mills for rod and wire require continuous analysis of existing processes and equipment. The hot mill rolls slabs weighing up to 30 tons between 30 and 74. The other software which is used for simulation of entire flat rolling line is hot strip mill model hsmm. Flexsim community forum downloads hot rolling mill. Hotrolled mill products are usually cheaper than the coldrolled due to the fact that hotrolled steel does not require reheating as in the case of cold rolling. Typical hot rolling mill automation system is composed of. On the optimization procedure of rolling mill design. It then rolls them thinner and longer with the help of successive rolling stands driven by the motors and finally coils the straightened sheet to be transported to the next process. After the grains deform during processing, they recrystallize, which maintains an equiaxed microstructure and prevents the metal from work hardening.
Feb 25, 2016 process of rolling mills published on february 25. Solutions for hot rolling mills spraying systems co. The process technology of hot strip mill has matured. The main purpose of this mill is to repeatedly heat the semifinished steel or any other metal slab to nearly their melting points. Automation system have the required hardware and software to provide. Hot rolling mills have used our spray technology to make improvements in many applications, including. Hot rolling process of flat products is a complex process involving plastic deformation of steel, multimode heat transfer, microstructure evolution. Hot rolling mill automation, electrical engineering and hardware equipment, hot rolling process control software and mill plant supervision, predictive maintenance. Hot rolling roughing stand hot rolling tandem mill automatic gauge control systems coolant filtration systems.
Roughing rolling mill, 25 tons per hour built 2014 intermediate mill group. A long product rolling mill comprised of equipment for reheating, rolling and cooling. During each rolling pass, strain is imparted to the material which causes an increase in dislocation density and consequently work hardening. Deform, a general purpose finite element method fem software, has been customized for simulation of rollbite deformation. Hot rolling mills in metalworking, rolling is a metal forming process in which metal stock is preheated up to 0c 2400f and passed through rollers to reduce thickness. Ability of process control systems level 2 to ensure mechanical properties of hot rolled products depends significantly on their capability to predict final. State of the art in hot rolling process control sciencedirect. To remain competitive, new and existing mills must meet this challenge in the best possible way. Evolution of microstructure during hot rolling of inconel. For the development of a new spread formula for computer control of rod rolling process, the spread characteristics of hot rolling of mild steel rods in the squareoval, roundoval, squarediamond. Mar 29, 2020 the hotrolling process occurs at temperatures above 900c.