Basics of Rolling of Steel – IspatGuru

2019730&ensp·&enspCold rolling of hot rolled steel is important, due to high accuracy and lack of oxide scaling. It is carried out below the recrystallization temperature and introduces work hardening. The starting material for coldrolled steel sheet is pickled hotrolled coil from the continuous hotstrip mill.

Get Price

temper, hot & cold rolling millsteel equipment builder

2019730&ensp·&enspThe modern hot strip mill is furnished with a tremendous amount of equipment from the reheat furnaces all the way down to the coiling equipment. Fortunately for both our ferrous and nonferrous customers alike Butech Bliss can provide equipment and technical services for nearly every element of the hot strip mill.

Get Price

COILER CONTROL IN ENDLESS HOT STRIP ROLLING T.

2010714&ensp·&enspCOILER CONTROL IN ENDLESS HOT STRIP ROLLING T. Motomura, K. Ueda, T. Imazeki, Y. Fukui, K. Yahiro East Japan Works, JFE steel corporation, 1, Kawasakicho, Chuoku, Chiba 2600835, Japan Abstract: JFE Steel Corporation's East Japan Works (Chiba District) started operation of No.3 Hot Strip Mill in 1995. This line was the first in the world

Get Price

Analysis of Spalling in Roughing Mill Backup Rolls of Wide

In this paper, the spalling causes of backup rolls in a roughing mill of a hot strip rolling mill were investigated. The roughing mill withstood extreme service conditions with long service cycles for backup and work rolls, a large variety of the same width rolling campaigns, severe and non‐uniform wear contours of backup and work rolls.

Get Price

Designing of Hot Strip Rolling Mill Control System

201685&ensp·&ensphot strip rolling line. Their main task is to coil the strip out of the finishing mill, and then transport to the next working procedure. The core part of coiling control system is the tension control. The control effect of coiling tension is directly related to the production and quality of hot rolled strip steel, therefore tension must be main

Get Price

Technical Report Deformation Behavior of Oxide Scale in

201646&ensp·&enspSteel strips are hot rolled in a temperature range from 800 to putting it into the roll bite of the No. 1 Mill, and then pulling it from out of the envelope. The rolling speed was set at 0.83 to 5.0 m/s, and the speed of the transfer table at 0.13 to 5.0 m/s so as to change the travelling time between the two mills and obtain the scale of

Get Price

Press Presse Press Presse Siemens

2011117&ensp·&enspPress Presse Press Presse. Industry Sector . Metals Technologies . Linz, Austria, November 8, 2011. Siemens introduces new quickexchange pinchroll cassette for hotstrip mill downcoilers – Rollchange time reduced from eight hours to just ten minutes . Siemens VAI Metals Technologies now offers hotstrip mill operators a new method for

Get Price

The new rolling mill voestalpine

After an installation time of only 31 days, the new rolling mill was put into operation on November, 16th 2015, successfully and according to schedule – a world record. The stateoftheart rolling mill was developed in such a way that it will meet the future quality requirements for our products. Features of the new rolling mill:

Get Price

Hot Rolling / Rolling Mills LumaSense Technologies

Infrared sensors measure strip and sheet temperature so that rolling mill stands can be efficiently set to match the steel's temperature. Sensors can be used to detect the presence of hot metal and accurately time the roll stand operation. Pyrometers can be used to measure the roll temperature as water cools the roll during the quenching process.

Get Price

Implementation of HighTurbulence Roll Cooling at

Implementation of HighTurbulence Roll Cooling at ArcelorMittal Dofasco's Hot Strip Mill A positioncontrolled, highturbulence roll cooling header system was developed by ArcelorMittal Dofasco Inc.

Get Price

Appliion of Portable NonDestructive Testing

20171019&ensp·&enspyear in hot strip mill of Bokaro Steel Plant for optimizing roll grinding. There is decreasing trend in back up roll consumption by 1015 % excluding material related failures with complete rejection are heavy stock removals. Further, work roll spall cases has reduced by almost 50% and

Get Price

Analysis of Spalling in Roughing Mill Backup Rolls of Wide

In this paper, the spalling causes of backup rolls in a roughing mill of a hot strip rolling mill were investigated. The roughing mill withstood extreme service conditions with long service cycles for backup and work rolls, a large variety of the same width rolling campaigns, severe and non‐uniform wear contours of backup and work rolls.

Get Price

Rolling (metalworking) Wikipedia

Chinese

2019715&ensp·&enspSlabs are the feed material for hot strip mills or plate mills and blooms are rolled to billets in a billet mill or large sections in a structural mill. The output from a strip mill is coiled and, subsequently, used as the feed for a cold rolling mill or used directly by fabriors.

Iron and steel&ensp·&ensp

Get Price

IMPROVEMENTS TO PORT TALBOT HOT STRIP MILL'S

This paper presents the findings of a series of hot strip mill plant trials, the aim of which was to reduce the strip profile obtained through modifiions to work roll cambers (WRC). The work was undertaken at Corus' Port Talbot seven stand 4high hot strip finishing mill.

Get Price

Fabriion and angle compensation analysis of skew

2018720&ensp·&enspplate mills and cold strip mills and the areas of appliion are still increasing. Research has focused on analyzing the rolling load or rolling torque generated by pair cross mills [7, 8], and on the strip profile control capability of the roll crossing mill[9], and so forth.

Get Price

HOT STRIP MILLS Mechanical Equipment smssiemag

20131122&ensp·&enspSMS DEMAG Hot Strip Mills 8 The coilbox arranged between the roughing stand and the finishing mill of a hot rolling mill forms coils of transfer bars, thus serving as both material and heat accumulator. During uncoiling, the former transfer bar tail runs into the finishing mill as transfer bar head. The coilbox is employed in new facilities

Get Price

ROLL SPEED SETUP IN HOT STRIP FINISHING ROLLING MILL

ROLL SPEED SETUP IN HOT STRIP FINISHING ROLLING MILL SeongCheol Hong Rolling Technology & Process Control Research Group Technical Research Laboratories, POSCO Tel: +82542206316 Email: [email protected] Abstract: Hot strip finishing mill is initially set up with rolling conditions such as roll speed, roll gap, and cooling pattern obtained by a setup model.

Get Price

Roll changing device for rolling mill Hitachi, Ltd.

1984313&ensp·&enspThe scale of the rolling mill of the type described is becoming huge year by year particularly in, for example, hot strip mills. In the largesize rolling mill of the kind described, the rolls and the roll changing rails are placed at a large depth from the floor level.

Get Price

Effect of Processing Parameters on Scale Formation

2010324&ensp·&enspat the six stands (F1 to F6) ArcelorMittal Tubarão's hot strip mill. Three parameters for the process of hot strips rolling were chosen, in a 23 factorial project: slab thickness, water flow of interstand cooling or ISC (top and bottom) between stands F1/F2 and F2/F3, and applied oil flow in roll gap lubriion system (work rolls F2 to F4).

Get Price

The Complete Technology Book on Hot Rolling of Steel

The Complete Technology Book on Hot Rolling of Steel Author: NIIR Board of Consultants & Engineers Format: Paperback Roll Gap and Strip Tension Decoupling Control Interstand Tension Control in Hot Strip Workpiece Temperature Change in Hot Strip Mill Temperature Loss due to Radiation

Get Price

Rolling Technology for Thin Steel Strip in Hot Strip Mill

2017211&ensp·&enspIn a compact hot strip mill, which is smaller than other conventional rolling mills, the rolling speed is also Rolling mill Model 2HI rolling mill Roll diameter 530 mm side of

Get Price

RENOLD AJAX MILL SPINDLE CATALOG (APRIL 2008)

2018912&ensp·&enspsingle stand reversing (Steckel) mill with roll shifting Type 3 telescopic spindle for hot strip finishing stands with roll shifting Maximized tooth contact at load angle Single Compound Curvature Single Curvature Renold uses a compound curvature on the tooth flank to maximize the working area of the tooth, reduce

Get Price

Siemens introduces new quickexchange pinchroll cassette

2017427&ensp·&enspSiemens VAI Metals Technologies now offers hotstrip mill operators a new method for changing the pinch rolls in downcoilers. The pinchroll unit, designed as a quickexchange cassette, can be replaced within just ten minutes without additional interruption of production. That saves up to eight hours typically required when applying conventional solutions.

Get Price

Work Roll change in a Hot Rolling Mill ( especially in a

In a Hot rolling mill especially in a steel industry where highly integrated automation is used for high quality steel strip production, how roll change can be done in auto mode or in manual mode through HMI.

Get Price

pre:stone crusher stone production linenext:cone crusher for coal processing equipment