How To Reverse The Rougher In A Hot Strip Mill

HOT STRIP MILLS Mechanical Equipment - SMS group

SMS DEMAG Hot Strip Mills 10 The drum-type shear installed between the roughing and finishing mills of a hot strip mill crops the trans-fer bar at its head and tail. In special applications, the drum-type shear also serves to divide transfer bars and finished plates. Based on the experience gained from more than 60 drum-type shears built so far,

HOT ROLLED STEEL SHEET - JFEスチール

With a 5-mill production system, JFE produces a wide range of hot strip siz- es, including thickness from 1.2mm to 25.4mm and widths from 600mm to 2,300mm, which is the world's widest hot rolled strip.

A BASIC UNDERSTANDING OF THE MECHANICS OF …

Secondary scale on hot strip and the impact on wear is another issue. Stresses from Hertzian pressure in 4-high cold mill back up rolls were measured years ago, the results were never published, but of high interest - also, maybe later. K. H. Schröder July 2003 K. H. Schröder: A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS

DELTA - Hot Rolling Mill Flat - Hot Strip Mill - Plate Mill

Back to list › Hot Strip Mill - Plate Mill. Centering control; Rolls gap / guides control; Tracking; Cropping control; From the exit of reheat furnace to down coiler, DELTA hot metal detectors, infrared scanner and laser measuring sensors are extensively used for detection, edge positioning and measurement.

Hot strip mill mathematical models and set-up calculation ...

Hot strip mill mathematical models and set-up calculation ... This setup calculation was applied to a New Zealand hot strip mill, which consists of a reversing rougher and a four-stand finishing mill. With this configuration, strip was successfully rolled with a finished thickness of 2 mm and a width of 1250 mm. >

ENDLESS ROLLING MILL - Primetals Technologies

ENDLESS ROLLING MILL — ADVANCED SOLUTIONS FROM THE MARKET PIONEERS The concept of endless hot rolling was introduced to meet the increasing demands for hot-rolled steel sheet using a cost-effective process compared to the conventional batch-type process.

Steel - Forming of steel | Britannica.com

Steel - Steel - Forming of steel: Forming processes convert solidified steel into products useful for the fabricating and construction industries. The objectives are to obtain a desired shape, to improve cast steel's physical properties (which are not suitable for most applications), and to produce a surface suitable for a specific use.

Advanced Reversing Cold Mills by Primetals Technologies

Steel rolled in two-stand reversing cold mills is suitable for a wide range of applications, offering the best possible performance in terms of quality and productivity. A two-stand reversing cold mill can deliver capacities between 300,000 t/a of thin-gauge products or 1,000,000 t/a …

Thiago Vieira Lopes - Rolling Specialist Engineer - Gerdau ...

Steel Industry: Hot Strip Mill Equipament: Roughing Mill Responsible for the development of the mathematical model of the equipment, operation in the rougher mill. It is the function to perform work to optimize the productivity of the hot strip mill, including using the mill …

Tata Steel upgrades Hot Strip Mill in Port Talbot

Nov 07, 2014· 7 Nov 2014 | Corporate News. Tata Steel has completed a major upgrade of the Hot Strip Mill at its Port Talbot steelworks in South Wales enabling it to further improve the quality of its steel products used in a wide range of markets, including automotive, …

steel mill rougher appraoch - bloemeriesandra.be

how to reverse the rougher in a hot strip mill. steel mill rougher appraoch - oalebakkershonl ABB successfully commissioned Europe's largest motors and drives, May 13, 2015, metal, metallurgy, tata steel, drives, motors, largest motors and drives package to power Tata Steel reversing rougher, roughing mill at Tata Steel's Port Talbot hot ...

Hot Rolling Mills - Sherman International

Used metalworking machinery for sale. Inventory includes cut to length lines, slitting lines, tube equipment, rolling mills.

The Hot Rolling Process - California Steel Industries

The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semi-finished 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.

Steel - Hot strip | Britannica.com

For example, a semi-continuous hot-strip mill has only one reversing rougher in front of the finishing train. Another rolling system goes even farther and uses one four-high reversing rougher and one four-high reversing finishing mill, with hot-coiling boxes in front and in back of the finishing mill. (Hot coilers operate in a furnace to keep ...

Influence of roll speed mismatch on strip curvature during ...

Influence of roll speed mismatch on strip curvature during the roughing stages of a hot rolling mill ... the reversing rougher at Corus Port Talbot hot mill. Alterations were made to the finite ...

HOT ROLLING PRACTICE – An Attempted Recollection

1 HOT ROLLING PRACTICE – An Attempted Recollection Saral Dutta. B. Tech. (Hons.), I.I.T. Executive Director, ISP & RMD, SAIL (Retired) Rolling is a metal forming process in which metal stock is passed through a pair of rolls.

rod mills rougher - kaartje-sturen-met-artoek.nl

The Hot Rolling Process The primary function of the Hot Strip Mill is to reheat semi-finished 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.

Large AC Adjustable Speed Motors for Metals Rolling Mills

example hot strip mill roughing and finishing stands. • Excellent torque characteristics ... Large AC Adjustable Speed Motors for Metals Rolling Mills.indd 8 10/24/2011 4:20:49 PM. 9 Overload Class ... and either intermittently or never runs in forward and reverse. • This motor has both long and short overload capability.

Influence of roll speed mismatch on strip curvature during ...

Sep 15, 2005· Five ingoing strip thicknesses were considered, each one representing a particular pass of the reversing rougher at Corus Port Talbot hot mill. Alterations were made to the finite element model's boundary conditions, i.e. roll gap height, to determine how the reduction affects the magnitude of strip …

Temperature Monitoring for Hot Rolling Mills | Williamson

Steel Hot Rolling Mills Temperature Monitoring Temperature Control in Hot Rolling Mills. Hot Rolling Mills are used to reheat shapes of steel to soften them enough so that they can be rolled thinner and longer through a series of rolling stands. The finished product can be either a strip, plate, rod, bar, wire, or shape (rails and H-beams).

Dynamics and Variance Control of Hot Mill Loopers

Layout of a semi-continuous hot strip mill with 1 reversing rougher mm or even less, and its length may well exceed a kilometer. While the strip properties such as centerline gauge, width, proflle and temperature must be precisely controlled to meet product requirements, these properties are only

steel mill rougher appraoch - tasteforchocolate.nl

Influence of roll speed mismatch on strip curvature during, Influence of roll speed mismatch on strip curvature during the roughing stages of a hot rolling mill, A plane strain finite element model has been constructed to simulate the rolling of low carbon steel strip at high temperatur, Bar turn down is generally accepted and encouraged at the hot rolling mill rougher, so long as it is ...

Strip tracking measurement and control in hot strip ...

The main pillars of the strategy set out to tackle these issues for the Hot Strip Mills in IJmuiden are rougher mill camber control and finishing mill strip steering and tail control. For such applications, a camera based measurement system has been developed in-house that is simple, cost-effective and yet both accurate and robust. ...

Arcelor Mittal - Cleveland 84" Hot Strip Mill Revamp

Nov 29, 2011· Arcelor Mittal - Cleveland 84" Hot Strip Mill Revamp 1. Arcelor Mittal - Cleveland 84" Hot Strip Mill Revamp 2. A-M Cleveland Hot Mill 7 Stand Finishing Train, 72,000 HP 5 Stand Roughing Train, 56,000 HP 2 Downcoilers, 1000 HP each 3 Pusher Type Furnaces, 450 Tons/Hour Each Width: 26" to 72" Thickness: 0.056" to 0.700" Capacity: 3 Million Tons/Yr

HOT STRIP MILLS Modernization concepts - SMS group

SMS SIEMAG Hot Strip Mills 10 HOT STRIP MILL HOT STRIP MILL Shanghai Meishan, China The hot strip mill of Chinese steelmaker Baosteel Group Shanghai Meishan Corpo-ration Ltd., Shanghai Meishan for short, had been in operation in Japan for 21 years before it was dismantled there and rebuilt and put into service in Meishan,

Influence of roll speed mismatch on strip curvature during ...

Sep 15, 2005· Asymmetrical conditions occurring during the rolling of hot strip can cause strip curvature, i.e. turn up/down . The mechanism of rolled strip curvature is not a simple one. Bar turn down is generally accepted and encouraged at the hot rolling mill rougher…

Rolling Technology for Thin Steel Strip in Hot Strip Mill ...

2. Study with a continuous hot steel strip rolling 2.1 Calculation model for hot steel strip rolling The hot strip mill shown in was assumed as a Fig. 1 calculation model for analysis. This facility consists of one rougher and six finishing stands. Table 1 shows the rolling conditions (Case-R) based on the assumption that low carbon steel ...

Hot Strip Mill Reversing Rougher Mill Study – Intekno

Hot Strip Mill Reversing Rougher Mill Study: Yer: Ereğli-TURKEY: İş veren: Erdemir: Proje Tanımı: Detection and correction of the causes of the movements of the rough rolling coils of the reversal by the UEC firm. In Place Machining company performed rolling survey and measurements. ... Rail Mill Project Hot Strip Mill Finishing Stands ...

Reversing Rougher Mill Spindle Video - YouTube

Mar 05, 2010· Reversing Rougher Mill Spindle Video movaresa. ... Hot rolling - The modernized bar mill at Steel ... Narrow steel strip Technology and machinery hot rolling mill sheet plate equipment ...

Hot strip mill - ArcelorMittal in Belgium

Hot strip mill. Around a third of the products we send out to our customers, are hot rolled. In the hot strip mill (Ghent), slabs coming from the continuous caster are rolled out to steel plates with a thickness of around 1.25 to 13mm. How does this work? First, the slabs coming from the continuous caster are pre-sorted in the slab yard.