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how to reverse the rougher in a hot strip mill

  • Steckel Mill Primetals Technologies

    Quality strip is about metallurgical precision high strength and toughness at alloying levels that keep costs down and preserve weldability. It is also about precise Fig.1 The steckel mill is a reversing mill with a heated coiler at each end Fig.2 The steckel mill is suitable for lower tonnages. A twin stand mill with a 

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  • 3C(1) Manufacture of Strips and Plates

    After the scale breaker has removed the scale from the surface of the slab, the slab is then hot rolled by a hot strip mill which contains both roughing mills and finishing mills. The roughing mills, which are 2high or 4high mills of 2 to 6 stands, carry out either reversing or onedirection rolling. The finishing mills, which are 

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  • Strip Tracking in CSP UK Hot Strip Mills ORCA Cardiff University

    3. Figure 1.2: Hot strip mill. The reversing rougher is a single, highpower roll stand which reduces the slab down to about. 40mm in a number of passes. The rougher is reversing because the strip passes back and forwards through the stand up to seven times, as opposed to a roughing train where the strip passes in one 

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  • Basics of Rolling of Steel ispatguru

    Nov 21, 2015 Twohigh stand, reversing The work can be passed back and forth through the rolls by reversing their direction of rotation. Such mills increase the In some mills (e.g. hot strip mill, wire rod mill, merchant mill, and cold rolling mill), the rolled product is coiled in a coiler or a wind up reel. Mostly, rolling is 

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  • Latest design of compact hot strip mill from SMS Millennium Steel

    On 15 June 2010, the new 330m long compact hot strip mill of Çolakoglu Metalurji AS, Turkey, produced its first coil. Thanks equipment by SMS Siemag, the mill was quickly run up and producing excellent strip qualitiy right from the start. Çolakoglu . of crop cuts r Fig 2 The fourhigh reversing rougher with attached edger 

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  • References for hot strip mills SMS group

    Hot strip rolling mills. SMS group. 12. BAOSTEEL ZHANJIANG. IRON & STEEL. Zhanjiang, China. MAIN COMPONENTS and FUNCTIONS. Slab sizing press. Twohigh reversing rougher with edging stand. Fourhigh reversing rougher with edging stand. Thermal insulation elements Crank crop shear. Seven fourhigh 

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  • State of the art work rolls for hot rolling flat products

    Here are some examples of ESW's customers to describe the situation we can see in many hot rolling mills. Example 1: SINGLE REVERSING ROUGHER. WR Ø1250x2050 mm of a semicontinuous HSM rolling mainly carbon grades (fig. 4). With conventional high chrome steel rolls 70 75 ShC, the campaign length was 

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  • Optimal Width Reductions in Hotstrip Mills JStage

    A great deal of the shape errors are created during reversing rolling in the roughing stand, where slabs are rolled to transferbars before the final rolling in the continuous mill. The rougher consists of either an universal mill or separate vertical and horizontal stands. Figure 1 shows the layout of the hotstrip mills in Raahe 

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  • Tata Steel upgrades Hot Strip Mill in Port Talbot

    Nov 7, 2014 The reversing rougher is believed to be the most powerful in Europe, with two new 12.5 MW motors, each equivalent to 17,000hp or the power of about 150 cars. The upgrade of the Hot Strip Mill follows investments totalling more than £250 million in stateoftheart steelmaking and processing technology at 

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  • Hot strip mill mathematical models and setup calculation IEEE

    This setup calculation was applied to a New Zealand hot strip mill, which consists of a reversing rougher and a fourstand finishing mill. With this configuration, strip was successfully rolled with a finished thickness of 2 mm and a width of 1250 mm. Published in: IEEE Transactions on Industry Appliions ( Volume: 27, Issue: 

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  • New Trends in Hot Strip Mill Roughing Mills ResearchGate

    Key words: Hot Strip Mill, Roughing Stands, Work Rolls, High Chromium Steel, SemiHighspeed Steel. Abstract: Two .. microstructure of all rougher grades in the service conditions consists of a non continuous network of eutectic carbides loed at grain A twintandem reversing roughing mill has been realized as well.

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  • Hot Strip Mill Model INTEG Process Group

    May 2, 2004 Hot Strip Mill Model. Introduction. The American Iron and Steel Institute (AISI), in conjunction with the Department of Energy (DOE) and several North . o Reversing Rougher o Edgers, Water Sprays and Shears. Heat Retention Area o Coil Box o Heat Retention Covers. Finishing Area o Tandem Mill.

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  • ABB successfully commissioned Europe's largest motors and drives

    May 13, 2015 ABB successfully commissioned Europe's largest motors and drives package to power Tata Steel reversing rougher 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.

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  • Hot Rolling Mill New Zealand Steel

    The slabs cool outside before being reheated in the reheat furnace. The slab (210 mm thick and weighing over 10 tonnes) is then transferred into the reversing rougher mill and is reduced in thickness with each pass. The steel is rolled down to about 25 mm when it is coiled in the coil box (to retain heat). It then passes 

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  • Hot strip mill ArcelorMittal in Belgium

    In the hot strip mill, slabs coming from the continuous caster are rolled out to steel plates with a thickness of around 1.25 to 13mm. It is conveyed through a reversing roughing mill and a continuous rougher. These reduce the thickness of the slabs to approximately 3cm. In the finishing mill, we reach our final thickness.

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  • Cold Rolling Mill United States Steel Corporation

    Hotrolled, pickled coils are fed into the cold rolling mill from an entryend reel and progressively reduced in thickness in each stand to achieve the final desired thickness as the strip exits the last stand. After the last stand, the strip Another method of cold reduction is through the use of a reversing mill. In this operation, the 

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  • Basics of Rolling of Steel ispatguru

    Nov 21, 2015 Twohigh stand, reversing The work can be passed back and forth through the rolls by reversing their direction of rotation. Such mills increase the In some mills (e.g. hot strip mill, wire rod mill, merchant mill, and cold rolling mill), the rolled product is coiled in a coiler or a wind up reel. Mostly, rolling is 

    Online
  • Optimal Width Reductions in Hotstrip Mills JStage

    A great deal of the shape errors are created during reversing rolling in the roughing stand, where slabs are rolled to transferbars before the final rolling in the continuous mill. The rougher consists of either an universal mill or separate vertical and horizontal stands. Figure 1 shows the layout of the hotstrip mills in Raahe 

    Online
  • Hot strip mill mathematical models and setup calculation IEEE

    This setup calculation was applied to a New Zealand hot strip mill, which consists of a reversing rougher and a fourstand finishing mill. With this configuration, strip was successfully rolled with a finished thickness of 2 mm and a width of 1250 mm. Published in: IEEE Transactions on Industry Appliions ( Volume: 27, Issue: 

    Online
  • Latest design of compact hot strip mill from SMS Millennium Steel

    On 15 June 2010, the new 330m long compact hot strip mill of Çolakoglu Metalurji AS, Turkey, produced its first coil. Thanks equipment by SMS Siemag, the mill was quickly run up and producing excellent strip qualitiy right from the start. Çolakoglu . of crop cuts r Fig 2 The fourhigh reversing rougher with attached edger 

    Online
  • Profile and Flatness Set Up System for Rolling Mill IHI

    technique for shape control in hot strip mill and reversing finishing mill is described below. (a) Crown Cr. (b) Flatness e he1 he2 he1 3.1.1 Setup model for finishing mill in hot strip mill. Figure 2 shows the PFSU calculation flow for a hot strip mill. When a rough bar rolled by the roughing mill has reached the entry side of the 

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  • Hot Strip Mill Model INTEG Process Group

    May 2, 2004 Hot Strip Mill Model. Introduction. The American Iron and Steel Institute (AISI), in conjunction with the Department of Energy (DOE) and several North . o Reversing Rougher o Edgers, Water Sprays and Shears. Heat Retention Area o Coil Box o Heat Retention Covers. Finishing Area o Tandem Mill.

    Online
  • Hot strip mill ArcelorMittal in Belgium

    In the hot strip mill, slabs coming from the continuous caster are rolled out to steel plates with a thickness of around 1.25 to 13mm. It is conveyed through a reversing roughing mill and a continuous rougher. These reduce the thickness of the slabs to approximately 3cm. In the finishing mill, we reach our final thickness.

    Online
  • New Trends in Hot Strip Mill Roughing Mills ResearchGate

    Key words: Hot Strip Mill, Roughing Stands, Work Rolls, High Chromium Steel, SemiHighspeed Steel. Abstract: Two .. microstructure of all rougher grades in the service conditions consists of a non continuous network of eutectic carbides loed at grain A twintandem reversing roughing mill has been realized as well.

    Online
  • Hot Rolling Mill Hydraulic Gap Control (HGC) thickness control

    be rolled several times on a reversing mill. Rolling is done by two work rolls, each supported by backup rolls. The maximum rolling force can reach 340000 kN. Typically, the roll gap is determined by set point of the main screws, loed on both sides of the mill stand. The screws provide only a rough positioning without 

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  • Hot Rolling Nippon Yakin

    Compact but versatile, the New Compact Hot rolling mill or NCH mill is made of a rough rolling mill and a finish rolling mill. From thick plates to This rolling mill is a Steckel type of reversing finishing mill capable of producing hot strips with superior thickness precision, surface quality and internal quality. This mill can roll 

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  • Pure Titanium Slab Rolling Study & Practice on Twinstand Hot

    Advantage and Disadvantage for Titanium. Coil Rolling on Continuous Hot Strip Mill. 3.1 Advantage for HSM. (1)For 5 reversing rough passes, the titanium slab is thicker(42~48mm) and the rolling temperature is higher, reversing strip threading is less and the rolling force is appropriate, it will be helpful to improve the work 

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  • Ravenscraig Hot Strip Steel Mill CultureNL

    After having been scrutinised carefully at quality control, the steel slabs were sent to the hot strip mill where they were reheated to temperature then passed through the The slabs then moved onto the completely automated 4high Reversing Roughing Mill. Lengths of steel pass through the rougher at the Strip Mill

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  • Steel Forming of steel metallurgy Britannica

    There are, however, hotstrip mills designed for smaller production. For example, a semicontinuous hotstrip mill has only one reversing rougher in front of the finishing train. Another rolling system goes even farther and uses one fourhigh reversing rougher and one fourhigh reversing finishing mill, with hotcoiling boxes in 

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  • Tata Steel upgrades Hot Strip Mill in Port Talbot

    Nov 7, 2014 The reversing rougher is believed to be the most powerful in Europe, with two new 12.5 MW motors, each equivalent to 17,000hp or the power of about 150 cars. The upgrade of the Hot Strip Mill follows investments totalling more than £250 million in stateoftheart steelmaking and processing technology at 

    Online
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