dc drives used in hot rolling mill
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Electric drive SlideShare
Rolling Mills Metal rolling is one of the most important manufacturing processes in the modern world. Metal rolling is often the first step in creating raw metal forms. The ingot or continuous casting is hot rolled into a bloom or a slab, There are two types of two types mills 1.Blooming Mill 2.
ABB DRIVES AND CONTROL SYSTEM FOR HOT FLAT
20181220&ensp·&enspABB DRIVES AND CONTROL SYSTEM FOR HOT FLAT ROLLING MILLS IMPROVES YIELD AND QUALITY BY LARS MJÖRNING * SYNOPSIS: ABB have through the years delivered a large number of drive and control systems to rolling mills in the steel industry, helping mill crews to produce rolled material with a higher effiency and improved yield and quality.
Hot Leveler commissioned in four days russula
Background Heavy Plate Mill. The LDL project began in 2008 with the purchase of a 10hectare industrial site and the subsequent construc tion of warehouses that were built for storage and to house the heavy plate mill. The main equipment consists of a reheating furnace and a reversible rolling stand driven by two 6000 hp DC motors.
Rolling Mills Metal Processing Machinery American Steel
ASP Provides Hot & Cold Rolling Mills for Businesses WorldWide. For over 60 years, ASP's rolling mills provided the industry with high production 2high, 4high and cluster mills. ASP's rolling mill housings are fabried from forged alloy steel allowing for high separating forces and high safety factors.
(PDF) Hot rolling mill drive train dynamics: torsional
PDF The DC electric drives acceleration method was implemented in the roughing stands of hot rolling mill for backlashes closing and torque amplifiion factor (TAF) reduction. The certain
Rolling Mills AIST
2019115&ensp·&enspA.G. Powell Equipment, Inc. Specializes in the buying and selling of used steel mill equipment on an international basis. The company's primary areas of business are in used rolling mills for both flat and long products, arc melting furnaces, casters, and various pieces of support, finishing, processing and electrical equipment found in a steel mill.
ABB successfully commissioned Europe's largest motors and
Zurich, Switzerland, May 13, 2015ABB, the leading power and automation technology group, announced that it has successfully commissioned two of Europe's largest synchronous motors, along with the highest powerrated medium voltage (MV) drives ever used in a reversing roughing mill at Tata Steel's Port Talbot hot strip mill in South Wales.
Pinch Roll Pinch Roll for Steel Rolling Mill in China
Pinch roll DC motor is used to improve drive speed by twostage cylindrical gear. Up and down roll is installed respectively at two swing arm. There is one air cylinder which drives them up and down roll synchronous close to or leave rolling line by a group of the cranklink mechanism.
FuzzyNeural Control of HotRolling Mill
FuzzyNeural Control of HotRolling Mill Khearia Mohamad Abduladhem A Ali Dr. R. Nagrajan Dep. of Electrical Eng. Dep. of Computer Eng, School of Mechatronics Eng.
Rolling (metalworking) WikipediaChinese
20191111&ensp·&enspHot rolling is a metalworking process that occurs above the recrystallization temperature of the material. After the grains deform during processing, they recrystallize, which maintains an equiaxed microstructure and prevents the metal from work hardening. The starting material is usually large pieces of metal, like semifinished casting products, such as slabs, blooms, and billets.Iron and steel&ensp·&ensp
Steel Industry Systems with Integrated Mechanical and
2015331&ensp·&enspinverter drives are used to control the motors to achieve performance improvements and greater energy efficiency. One example is the 2009 replacement of the 5,000kW DC motor and drive used in a roughing mill in the hot strip mill at the East Japan Works Keihin Area of JFE Steel Corporation with an 8,000kW
ABB solutions in Hot rolling ABB in Metals
More than 100 years of process knowhow in hot rolling mills results in better accessibility and higher productivity for your mill. Using the latest technology we help metals manufacturers to fulfill their product demands in both greenfield and modernization and upgrade projects.
Motors for Metal Rolling Mills TMEIC
AC adjustable speed motor drive systems are the preferred technology for new rolling mill installations and modernization projects. TMEIC designs and manufactures two types of AC solutions for this purpose. Salient pole synchronous motors that meet the high power and torque demands of a hot strip mill, as well as roughing and finishing stands.
Drive selection for rolling mills Russula
Since all drives in the rolling train must have similar performance, early attempts at installing some AC stands in a DC rolling train required the detuning of existing DC drives. Today the opposite is true, the above mentioned rolling mill has a total of 17 stands, with stands 1 to 13 being powered by modern DC digital drives.
Which motor is used in rolling mills? Quora
Telephone：0086371 67666660 Different models of Raymond mill powder electromechanical model number is different also, takeoff Raymond mill machine structure is mainly composed of host, analysis machine, blower, finished product cyclone separator
11.Advanced Process Control
20131022&ensp·&enspAdvanced Process Control Technology for Thin Strip Rolling Kazuhiro Ohara, Masaki Nakaema, Siau Kah Choon1, Zhou Ming Wei, Yang Hui2 1. INTRODUCTION Hunan Valin Liangang Steel Sheet Co., Ltd commissioned a new hot strip mill with an
Rolling mills slideshare.net
Rolling mills o The process of deforming metal by passing it between rolls o Rolling mill is a machine or a factory for o shaping metal by passing it through rollers o to crush or grind various materials, such as grain, ore, gravel, plastic, and others o A rolling mill basically consists of o • rolls o • bearings 4.
Omkar Singh Electrical Engineer Gulf Aluminium Rolling
2 Maintenance / troubleshooting of Electrical & Automation,Drives (AC,DC), PLC, Simatic TDC, WinCC HMI, AC/DC Motors, Transformers, protection system, Industrial Automation (Level 1, Level 2 & Level 3), Utilities & everything else used in Hot Rolling Mill. 3 Spares planning and management.
6RA80 DC DRIVE CONTROLLER Entries Forum Industry
i am using 6RA80 DC drive controller for DC stand of rolling mill (500kw DC motor), every parameter of controller is perfect but once motor pass a single hot bar,the armature actual voltage and current both start flactuating, i tried to tune this using p50225 and p50226,but it is not usefull, kindly guide me how can we stop this current hunting