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deflector rolls hot strip mill

  • Crown Reduction Technology in Hot Strip Mill

    Strip Crown ( m) Steepness ( ) Crown-Shape Calculation F1 150 100 50 0-50 2.50 0.00-1.00-0.50 0.50 1.00 1.50 2.00 Crown Steepness F2 F3 F4 F5 F6 Strip Crown Steepness At present 100μ 50μ Reduction of strip crown by steps Strip Crown Special WR curve such as CVC and so on If your mill already has WR shift more than 2 stands STEP 3 is

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  • Cold rolling shape defects of stainless steel wide strips

    For strip a special leveler with a minimum of three rolls (figure 17) is provided on the skinpass mill between the mill stand and the exit deflector roll. It can correct all light defects (there is some elongation). The leveler is idle and high tension is necessary to pull the strip through the leveler.

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  • Mill Rolls WHEMCO

    world class rolls of the highest quality for over 100 years. The WHEMCO companies in Pennsylvania and Ohio USA manufacture a full range of mill rollsspun cast iron cast steel and forged steel. Each of our roll manufacturing facilities has the expertise equipment and experience to meet the most demanding rolling mill applications.

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  • Crown Reduction Technology in Hot Strip Mill

    Strip Crown ( m) Steepness ( ) Crown-Shape Calculation F1 150 100 50 0-50 2.50 0.00-1.00-0.50 0.50 1.00 1.50 2.00 Crown Steepness F2 F3 F4 F5 F6 Strip Crown Steepness At present 100μ 50μ Reduction of strip crown by steps Strip Crown Special WR curve such as CVC and so on If your mill already has WR shift more than 2 stands STEP 3 is

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  • (PDF) Failure Analysis of Work Rolls of a Thin Hot Strip Mill

    The hot strip mill referred here consists of six stands wherein high chromium (Hi-Cr) iron rolls and Indefinite Chilled Double Poured (ICDP) cast iron rolls are being used for finishing rolling of

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  • How does it work hot-strip rolling millYouTube

    Mar 31 2015 · ThyssenKrupp Steel Europe spent a quarter of a million euros on renovating its hot-strip rolling mill in Duisburg. The animation shows how it all works.

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  • Products › Flat › Hot Strip Mills Modern rolling mills

    The Hot Strip Mill represents the most productive solution for flat rolled products. It provides the highest level of productivity together with a large product mix and outstanding quality. Yearly productivity of Hot Strip Mills can vary from 2 to 6 Mtpy depending on the configuration that is selected.

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  • Highest performing Hot Strip Mills Primetals Technologies

    The demand for hot rolled strip is growing in multiple ways. To remain competitive new and existing mills must meet this challenge in the best possible way. The production of hot strip is a key element of steel production. Since close to half of all steel produced is hot-rolled to strip mills require maximum throughput and availability

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  • Hot Strip MillYouTube

    SAMPLE VIDEO FOR ROLLING MILLS

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  • How does it work hot-strip rolling millYouTube

    Mar 31 2015 · ThyssenKrupp Steel Europe spent a quarter of a million euros on renovating its hot-strip rolling mill in Duisburg. The animation shows how it all works.

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  • Roll Mark/Bruise from Hot Strip MillMainline Metals

    The sheet can whip/hit into the roll surface and mark it. As a result the following coil produced through the hot strip mill will have these bruises on the head end. If the marks on the work rolls are light the defect only bruises the next coils surface and eventually wears off the rolls

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  • Control of Strip Tension in a Rolling Mill Based on

    art solutions for controlling the strip tension are so-called looper rolls (cf. Choi et al. 2007b Price 1973) located between the mill stands as shown in Fig. 1. The idea of operating hot-rolling mills without loopers has been analyzed by Katori et al. (1999) Kim et al. (2005) and Li and Janabi-Shari (2009). However looper-

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  • Highest performing Hot Strip Mills Primetals Technologies

    The demand for hot rolled strip is growing in multiple ways. To remain competitive new and existing mills must meet this challenge in the best possible way. The production of hot strip is a key element of steel production. Since close to half of all steel produced is hot-rolled to strip mills require maximum throughput and availability

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  • Crown Reduction Technology in Hot Strip Mill

    Strip Crown ( m) Steepness ( ) Crown-Shape Calculation F1 150 100 50 0-50 2.50 0.00-1.00-0.50 0.50 1.00 1.50 2.00 Crown Steepness F2 F3 F4 F5 F6 Strip Crown Steepness At present 100μ 50μ Reduction of strip crown by steps Strip Crown Special WR curve such as CVC and so on If your mill already has WR shift more than 2 stands STEP 3 is

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  • Analysis of roll stack deflection in a hot strip mill

    In a four-high hot strip mill the finishing mill of the hot strip mill is equipped with two work-rolls and two back-up rolls and is shown in Fig. 2. During the passage of the strip between the two work rolls a large amount of roll separating force is developed.

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  • (PDF) Analysis of roll stack deflection in a hot strip mill

    In a four-hi gh hot strip mill the finishin g mill of the hot strip mill is equipp ed with two work-rolls and t wo back-up rolls and is shown in Fig. 2.

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  • Deflector rollASEA Aktiebolag

    Jun 01 1982 · A deflector roll for a strip mill is divided axially into sections to be able to measure the distribution of the strip tension across the strip width. To avoid transmitting the measuring signals from and therefore the design of deflector roll shown in FIG. 1 may be used in hot rolling mills as well as cold rolling mills.

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  • Deflector rollASEA Aktiebolag

    Jun 01 1982 · A deflector roll for a strip mill is divided axially into sections to be able to measure the distribution of the strip tension across the strip width. To avoid transmitting the measuring signals from and therefore the design of deflector roll shown in FIG. 1 may be used in hot rolling mills as well as cold rolling mills.

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  • Optimization of working roll cooling in hot rolling

    HEFAT2012 9th International Conference on Heat Transfer Fluid Mechanics and Thermodynamics 1618 July 2012 Malta Optimization of working roll cooling in hot rolling J. Horsky P. Kotrbacek J. Kvapil K. Schoerkhuber Brno University of Technology Faculty of Mechanical Engineering Heat Transfer and Fluid

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  • HOT STRIP MILLS Modernization concepts

    SMS SIEMAG Hot Strip Mills 2 ADAPTING existing hot strip mills to present-day market requirements Owing to their size and high investment volume hot strip mills have an extremely long life. Almost 40 of the 140 conven-tional hot strip mills currently in operation all over the world were built between 1960 and 1970. At that time these mills

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  • Hot Strip Mill Work RollsUnion Electric Åkers

    A core product of Union Electric Åkers Thousands of Hot Strip Mill Work Rolls come off of our production lines each year making Union Electric Åkers one of the world s largest roll manufacturers of Hot Strip Mill Work Rolls. All our Hot Strip Mill Work Rolls are made using the vertical centrifugal casting method ensuring high in-service integrity and premium performance results.

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  • Products › Flat › Hot Strip Mills Modern rolling mills

    The Hot Strip Mill represents the most productive solution for flat rolled products. It provides the highest level of productivity together with a large product mix and outstanding quality. Yearly productivity of Hot Strip Mills can vary from 2 to 6 Mtpy depending on the configuration that is selected.

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  • ANALYSIS OF SURFACE THERMAL BEHAVIOR OF WORK

    roll. A fourth model was steady-state based model generated by the integration of the heat flow. Sikdar John 36 established a model for finding the work roll temperature in a hot strip mill by the effect of water jet orientation and other controlling Parameters. The results

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  • Control of Strip Tension in a Rolling Mill Based on

    art solutions for controlling the strip tension are so-called looper rolls (cf. Choi et al. 2007b Price 1973) located between the mill stands as shown in Fig. 1. The idea of operating hot-rolling mills without loopers has been analyzed by Katori et al. (1999) Kim et al. (2005) and Li and Janabi-Shari (2009). However looper-

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  • Hot Strip Millan overview ScienceDirect Topics

    John G. Lenard in Primer on Flat Rolling (Second Edition) 2014. 3.5 Friction and Wear. Work rolls in hot strip mills wear due to friction between the roll surface and hot strip. (Back-up rolls wear as well but under pressure with elastic deformation the friction is much less except for the high work roll roughness in the last stand of a sheet rolling tandem cold mill).

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  • ANALYSIS OF SURFACE THERMAL BEHAVIOR OF WORK

    roll. A fourth model was steady-state based model generated by the integration of the heat flow. Sikdar John 36 established a model for finding the work roll temperature in a hot strip mill by the effect of water jet orientation and other controlling Parameters. The results

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  • USARolling mill with offset work rolls

    A rolling mill for rolling metal strip moving in a horizontal rolling direction has work rolls which engage the strip and are supported vertically by backup rolls through which drive is applied. The work rolls are supported in the horizontal rolling direction by support rollers contacting them at locations confined to intermediate regions between the work regions and bearings.

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  • Rolling of hot strip and strip defectsIspatGuru

    Jan 14 2017 · For rolling of hot strip the slabs are heated initially at 1100 deg C to 1300 deg C. The temperature in the last finishing stand of the hot strip mill varies from 700 deg C to 900 deg C. It is always to be above the upper critical temperature to produce uniform equiaxed ferrite grains.

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  • Rolling of hot strip and strip defectsIspatGuru

    Jan 14 2017 · For rolling of hot strip the slabs are heated initially at 1100 deg C to 1300 deg C. The temperature in the last finishing stand of the hot strip mill varies from 700 deg C to 900 deg C. It is always to be above the upper critical temperature to produce uniform equiaxed ferrite grains.

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  • HOT ROLLING PRACTICEAn Attempted Recollection

    These rolls can either be flat or grooved (contoured) for the hot rolling of rods or shapes. Under these conditions the rolls grip the piece of metal and deliver it reduced in cross-sectional area and therefore increased in length. x The initial hot-working operation for most steel products is done on the primary roughing mill

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  • Hot Strip Millan overview ScienceDirect Topics

    John G. Lenard in Primer on Flat Rolling (Second Edition) 2014. 3.5 Friction and Wear. Work rolls in hot strip mills wear due to friction between the roll surface and hot strip. (Back-up rolls wear as well but under pressure with elastic deformation the friction is much less except for the high work roll roughness in the last stand of a sheet rolling tandem cold mill).

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  • Optimization of working roll cooling in hot rolling

    HEFAT2012 9th International Conference on Heat Transfer Fluid Mechanics and Thermodynamics 1618 July 2012 Malta Optimization of working roll cooling in hot rolling J. Horsky P. Kotrbacek J. Kvapil K. Schoerkhuber Brno University of Technology Faculty of Mechanical Engineering Heat Transfer and Fluid

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  • USADeflector rollGoogle Patents

    A deflector roll for a strip mill is divided axially into sections to be able to measure the distribution of the strip tension across the strip width.

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  • (PDF) Failure Analysis of Work Rolls of a Thin Hot Strip Mill

    The hot strip mill referred here consists of six stands wherein high chromium (Hi-Cr) iron rolls and Indefinite Chilled Double Poured (ICDP) cast iron rolls are being used for finishing rolling of

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  • 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 interestalso maybe later. K. H. Schröder July 2003 K. H. Schröder A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL ROLLS

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  • (PDF) Analysis of roll stack deflection in a hot strip mill

    In a four-hi gh hot strip mill the finishin g mill of the hot strip mill is equipp ed with two work-rolls and t wo back-up rolls and is shown in Fig. 2.

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  • Deflector Rolls Deflector Rolls For Rolling Mills

    The deflector Rolls that are manufactured by us are appreiciated by rolling mill globally for their high efficiency reliability and various other features. we ensure to use raw material which are supplied by most trusted sources The raw material undergo stringent quality test before its

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