Rolls-Forged Rolls-Backup Rolls - Hitachi Metals

FB-5. 3%Cr Steel. Tandem Mill Back Up Roll. Reversing Mill Back Up Roll. General Use. FB-7. 5%Cr Steel. Tandem Mill Back Up Roll. Reversing Mill Back Up Roll.

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Backup roll contour of a SmartCrown tandem cold rolling

2008-6-1  Enhancing the self-maintenance of the backup roll and the work roll After the FSR backup roll is used, the states of roll contact and roll wear are improved, and the contour of G.H. Yang et aL, Backup roll contour of a SmartCrown tandem cold rolling mill 361 the backup roll and the work roll in good self-maintenance is made, and the consumption ...

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Forged Steel Roll - Back Up Roll For Rolling Mill TINVO

2020-2-27  Forged Steel Back Up Roll Definition. The forged back up roll is a mill roll that supports the work roll and intermediate roll for the purpose of avoiding deflection of the work roll and affecting on the yield and quality of the plate and strip rolling mill. This is the key function of back up roll to ensure the operation of the whole rolling mill. The common materials are

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A novel mass flow controller for tandem hot rolling mills ...

2021-8-1  Further thickness reductions may follow on a tandem cold rolling mill. A tandem rolling mill typically consists of 3 to 8 mill stands that have to be synchronized by control. Fig. 1 outlines the tandem hot strip rolling mill considered in this work. Each of its four-height mill stands features 2 work rolls and 2 backup rolls, which minimize ...

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Fire Breaks Out at Steel Mill, At Least 7 Injured AP News

2021-11-26  WEIRTON, W.Va. (AP) _ A fire that ″spread from floor to ceiling within minutes″ injured at least seven people today at a Weirton Steel Corp. mill. The blaze broke out at 9 a.m. at the No. 9 tandem mill and was still not controlled at early afternoon, firefighter Shawn Bowers said. The mill rolls steel into sheets after impurities are removed.

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Forged Steel Rolls Cast Steel Rolls for Rolling Mills

LPR offers forged steel rolls and cast steel rolls to steel mills, steel processing lines and for machine makers that supply to steel rolling mills. Product range includes forged steel work rolls, tension leveling rolls, bridle rolls, furnace rolls, deflector

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4 High Rolling Mill - Element

Rolling mill consisting of four rolls or known as a 4 High rolling mill is used for reducing material to extremely small thicknesses. Through the use of larger backup rolls, the issues of roll deflection can be avoided and smaller work rolls can be

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Aurubis Buffalo

2018-5-14  D stand delivery end of 44 tandem breakdown mill. Work rolls and backup rolls from 43, and 44 mills await dressing in a roll grinder. Betts-Bridgeford roll grinding lathe, installed in 1980-1981. Machinist Tom Shultz measures roll with a micrometer prior to grinding. Annealing.

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Types of Rolling Mills Metallurgy

2021-12-3  Cluster Mill: The cluster mill consists of two working rolls and four or more backing up rolls. The number of backup or supporting rolls depends upon the amount of support required for the working (small diameter) rolls. Cluster mill is generally used in cold-rolling operation. The arrangement of cluster mill is shown in Fig. 2.9 (d). Type # 5 ...

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Backup roll contour of a SmartCrown tandem cold rolling

2008-6-1  Enhancing the self-maintenance of the backup roll and the work roll After the FSR backup roll is used, the states of roll contact and roll wear are improved, and the contour of G.H. Yang et aL, Backup roll contour of a SmartCrown tandem cold rolling mill 361 the backup roll and the work roll in good self-maintenance is made, and the consumption ...

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Fire Breaks Out at Steel Mill, At Least 7 Injured AP News

2021-11-26  WEIRTON, W.Va. (AP) _ A fire that ″spread from floor to ceiling within minutes″ injured at least seven people today at a Weirton Steel Corp. mill. The blaze broke out at 9 a.m. at the No. 9 tandem mill and was still not controlled at early afternoon, firefighter Shawn Bowers said. The mill rolls steel into sheets after impurities are removed.

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811. Frequency analysis of chatter vibrations in tandem ...

backup roll is the most significant one. It is demonstrated that the upper backup roll and top ... tandem mill unit of Mobarakeh Steel Company (MSC). Fig. 1 shows a view of this unit.

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US Patent Application for DYNAMIC SHIFTING OF

2014-12-19  Tandem mills can be either hot or cold rolling mill types. Some tandem rolling mills include backup rolls that provide rigid support to the work rolls and therefore allow the diameter of the work rolls to be reduced. Tandem rolling mills have a variety of configurations and can be two-high, three-high, four-high, six-high and so forth.

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4 High Rolling Mill - Element

Rolling mill consisting of four rolls or known as a 4 High rolling mill is used for reducing material to extremely small thicknesses. Through the use of larger backup rolls, the issues of roll deflection can be avoided and smaller work rolls can be used.

Read More
Forged Steel Rolls Cast Steel Rolls for Rolling Mills

LPR offers forged steel rolls and cast steel rolls to steel mills, steel processing lines and for machine makers that supply to steel rolling mills. Product range includes forged steel work rolls, tension leveling rolls, bridle rolls, furnace rolls, deflector

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Robust Tension Control of Strip for 5-Stand Tandem Cold

In tandem cold mill (TCM), strip passes through individual pairs of work rolls. Each work roll is supported by a backup roll of a large diameter [2, 14]. In order to achieve good tension control, tensiometer is the reliable instrument to measure the tension between stands.

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Finishing Mill - an overview ScienceDirect Topics

The mill is six-high; having two small diameter work rolls of 470 mm diameter and two sets of backup rolls. The diameter of the intermediate backup roll is 510 mm and the third backup roll is of 1300 mm diameter. The mill is capable of producing strips of 0.08 mm thickness at speeds up to 1800 meters per minute.

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PROCESS OF ROLLING MILLS

2016-2-25  If a mill rolls 80 % of the calendar year, that is 365 x 24 x 0.80 = 7008 hours. If the mill rolls 800,000 tons per year, it runs at an average production rate of 114.16 tons/hour. If the ...

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专业英语词汇_词组(轧制部分)_百度文库 - Baidu

2016-12-9  专业英语词汇_词组 (轧制部分) a net importer 钢材进口国 finished products 成品材 raw materials 原材料 a net exporter 钢材出口国 liquid steel 钢水 trade deficit (钢材)贸易赤字 coinciding with 符合,一致 rolling facilities 轧制设备 focused on 集中于 triple 增加三倍 rod, bar 棒

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Strip Thickness Control of Cold Rolling Mill with Roll ...

2013-11-12  trolling the roll gap position is such that produces the desired output thickness [6]. Roll eccentricities are caused by axial deviations between the roll barrel and the roll necks due to irregularities in the mill rolls and/or roll bearings [11]. These irregularities cause cyclic deviations in the strip thickness at the output of a mill stand.

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Rolls For Cold Rolling Mill – Loyal Road Inc.

Work rolls for tandem mill and skin pass mill: Backup Roll. Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll barrel is 350~1800mm. The material of back-up roll includes 60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo, 5Cr5NiMoV etc. ...

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Forced transverse vibration of rolls for four-high rolling ...

2009-12-1  In order to investigate the forced transverse vibration of rolls under distributed draught pressure and moment of bending roll force, the forced transverse vibration model of rolls for four-high rolling mill was established. The work roll and backup roll were considered as elastic continuous bodies that were joined by a Winkler elastic layer. According to Euler-Bernoulli

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Tandem Cold Mill Scientific.Net

Abstract: According to the chatter phenomenon of 3 rd stand of a steelworks six-roller tandem cold mill (TCM), vertical vibration of tandem cold mill was simplified to eight degrees of asymmetric freedom mass-spring system. Virtual prototype model on vertical vibration of tandem cold mill was established and natural frequencies and main vibration mode of mill were solved

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FORGED STEEL BACK-UP ROLL Wuxi Xingye Special Steel

2019-4-28  The main types of mills: back-up roll of 650mm Mill, 900mm Mill, 1050mm Mill, 1250mm Mill, 1450mm Mill. BIEC BACKUP ROLLS ARE USED IN 4 HI and 6 HI REVERSING AND TANDEM MILLS FOR ALL PRODUCT ROLLING SUCH AS STEEL , STAINLESS , ALUMINUM,BRASS , COPPER UPTO SINGLE PC WEIGHING 32000 KGS . Main technical

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Mill rolls for cold strip mill-Mill rolls,Mill rings-Tangshan

Mill type Position Material Hardness Cold rolling and Tandem Mill Intermediate roll Work roll Backup roll 9Cr2M,MC3,MC5 9Cr2MoR,86CrMoV7, MC3,MC5 60Cr3Mo, 9Cr2MoR,86CrMoV7,70Cr3NiMo 70-85 HSD 80-105 HSD 60-80 HSD Sendzimir and Cluster Mill

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Cleveland-Cliffs hiring Process Engineer, Tandem Mill in ...

Posted 4:31:24 PM. As a Process Engineer, Tandem Mill at Cleveland-Cliffs Steel, you’ll be part of a global teamSee this and similar jobs on LinkedIn.

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Backup Roll, बैकअप रोल in Bhandup, Mumbai , Sankap

Sankap Special Steel - Offering Backup Roll, बैकअप रोल, Rolling Mill Rolls and Basic Ancillary Equipments in Bhandup, Mumbai, Maharashtra. Read about company. Get contact details and address ID: 5737509212

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Tukivalssien hionnan standardisointi - CORE

The thesis focuses on rougher mill (EV), Steckel mill (NV) and Tandem mill (FX) backup rolls. The backup rolls are used in two different grinding machines: Pomini 1 and Herkules WS 1100. Pomini 1 is mainly used for grinding NV and FX work rolls as well as NV intermediate rolls. Pomini 1 can also be used to grind NV and FX backup rolls, as ...

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