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  • Backup roll contour of a SmartCrown tandem cold

    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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  • Backup roll contour of a SmartCrown tandem cold

    Request PDF Backup roll contour of a SmartCrown tandem cold rolling mill SmartCrown was a new system developed by VAI for improving the strip profile and flatness control first applied in 1700

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  • Rolling Mill Backup Rolls Manufacturers and Suppliers

    Description. Equipped with one of the best back up roll brands, Kaida Roll Group is one of competitive skin pass mill roll, temper mill roll, tandem mill roll manufacturers and suppliers in China, welcome to visit our website. Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill

  • Backup roll contour for edge drop control technology

    Based on the fact that the backup roll for 2250 CVC tandem mill in hot rolling has serious and non-uniform wear, and the edge spalling often happens, a new backup roll contour named CVR (CVC-VCR

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  • backup roll contour of a stcrown tandem cold rolling

    Mill chatter in tandem cold rolling mill is a major rejection to the quality and production of the strips. In most mill vibration models, either the roll mass is usually limited to vibrate in vertical direction and vertical-horizontal directions, or the multiple rolls system is simplified to a single mass system.

  • SMS group GmbH: Tandem cold mills (Steel)

    What defines the continuous tandem mill (CTCM) is a continuous entry section featuring a pay-off unit, welding machine, and strip accumulator. All this is necessary to ensure an unbroken production flow. Typical exit-side installations are also here the drum shear, as well as a tension reel and the inspection unit "Rotary Inspect".

  • Analysis of Chatter in Tandem Cold Rolling Mills

    A rolling mill stand is represented by a mass-spring sys-tem with five degree of freedom to calculate the vertical vi-bration, as shown in Fig. 3. It consists of five mass ele-ments, corresponding to the top and bottom work rolls, the top and bottom backup rolls and the housing. The elastic deformation behaviour of the rolls is represented by

  • Rolling Mills: 6 Different Types of Rolling Mills [Images

    2020-9-30 · The mill has four horizontal rolls, two smaller diameters and two much larger. The larger rolls are called backup rolls. The smaller rolls are the working rolls, but if they would be thicker in the centre and thinner at either end. Backup rolls hold the working rolls

  • 预计阅读时间:5 分钟
  • A BASIC UNDERSTANDING OF THE MECHANICS OF

    2003-10-15 · 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 File: SCHROEDER_ROLLS_010703.DOC

  • Analysis of Chatter in Tandem Cold Rolling Mills_百度文库

    2011-3-29 · Bending vibration caused by surface defects on backup rolls and torsion vibration of the drive system are the examples.1,2) The most likely instability caused in tandem cold rolling mills is due to vertical oscillations of rolls, and the typical frequency of chatter

  • Rolling Mill Backup Rolls Manufacturers and Suppliers

    Description. Equipped with one of the best back up roll brands, Kaida Roll Group is one of competitive skin pass mill roll, temper mill roll, tandem mill roll manufacturers and suppliers in China, welcome to visit our website. Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill

  • Rolls-Forged Rolls-Backup Rolls hitachimetals

    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. High Hardness.

  • Backup roll contour of a SmartCrown tandem cold

    Request PDF Backup roll contour of a SmartCrown tandem cold rolling mill SmartCrown was a new system developed by VAI for improving the strip profile and flatness control first applied in 1700

  • Backup roll contour of a SmartCrown tandem cold

    Abstract SmartCrown was a new system developed by VAI for improving the strip profile and flatness control first applied in 1700 mm tandem cold rolling mills at Wuhan Iron & Steel (Group) Corporation (WISCO). After tracing and testing, the application of the conventional crown backup roll matching the SmartCrown work roll of the production mill led to heavy and nonuniform wear, and the edge

  • BACKUP ROLL BEARING TEMPERATURE MONITORING

    2020-4-6 · BACKUP ROLL BEARING TEMPERATURE MONITORING ON A TANDEM COLD MILL * Rogério Martins Pereira1 Lucas Gabriel Correa2 Charles Pierri de Souza3 Danilo Gonçalves de Oliveira4 Abstract The Tandem Cold Mill is composed by stands with rolls positioned so that the rolling force can be transmitted to the strip being processed.

  • 4 Hi 4 Stand Continental Tandem Cold Rolling Mill

    Pinch Rolls & Side Guides -4 Stand Continental Mill: 19.50" 21" Dia. Work Rolls Roller Bearing 50" 53" Dia. Backup Rolls Pinion Stands 1:1 Stand 1: 3500 HP 90 225 RPM Stand 2: (2) 2500 HP 150 370 RPM Stand 3: (2) 2500 HP 225 470 RPM Stand 4: (2) 2500 HP 300 600 RPM Backup Roll Change Sled Work Rolls

  • Back Up Roll For Rolling Mill Rolling Mill Rolls &

    2020-2-27 · Mill rolls are essential in the metal working industry. They are manufactured to an optimum hardness to resist wear and prevent marking. Forged steel roll is a type of rolling mill rolls. The roll has a microstructure which allows the surface finish to be resistant to thermal shock and a hardness depth prevent from rehardening in subsequent applications.

  • Analysis of Chatter in Tandem Cold Rolling Mills

    A rolling mill stand is represented by a mass-spring sys-tem with five degree of freedom to calculate the vertical vi-bration, as shown in Fig. 3. It consists of five mass ele-ments, corresponding to the top and bottom work rolls, the top and bottom backup rolls and the housing. The elastic deformation behaviour of the rolls is represented by

  • Rolling Mills: 6 Different Types of Rolling Mills [Images

    2020-9-30 · The mill has four horizontal rolls, two smaller diameters and two much larger. The larger rolls are called backup rolls. The smaller rolls are the working rolls, but if they would be thicker in the centre and thinner at either end. In this tandem mill types of rolling mill, It includes of a number of non-reversing two-high rolling mills

  • A BASIC UNDERSTANDING OF THE MECHANICS OF

    2003-10-15 · 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 File: SCHROEDER_ROLLS_010703.DOC

  • Rolls-Forged Rolls-Backup Rolls hitachimetals

    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. High Hardness.

  • 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.

  • BACKUP ROLL BEARING TEMPERATURE MONITORING

    2020-4-6 · BACKUP ROLL BEARING TEMPERATURE MONITORING ON A TANDEM COLD MILL * Rogério Martins Pereira1 Lucas Gabriel Correa2 Charles Pierri de Souza3 Danilo Gonçalves de Oliveira4 Abstract The Tandem Cold Mill is composed by stands with rolls positioned so that the rolling force can be transmitted to the strip being processed.

  • 4 Hi 4 Stand Continental Tandem Cold Rolling Mill

    Pinch Rolls & Side Guides -4 Stand Continental Mill: 19.50" 21" Dia. Work Rolls Roller Bearing 50" 53" Dia. Backup Rolls Pinion Stands 1:1 Stand 1: 3500 HP 90 225 RPM Stand 2: (2) 2500 HP 150 370 RPM Stand 3: (2) 2500 HP 225 470 RPM Stand 4: (2) 2500 HP 300 600 RPM Backup Roll Change Sled Work Rolls

  • Back Up Roll For Rolling Mill Rolling Mill Rolls &

    2020-2-27 · Mill rolls are essential in the metal working industry. They are manufactured to an optimum hardness to resist wear and prevent marking. Forged steel roll is a type of rolling mill rolls. The roll has a microstructure which allows the surface finish to be resistant to thermal shock and a hardness depth prevent from rehardening in subsequent applications.

  • NEW BACKUP ROLL GRADE FOR SKIN PASS MILLS*

    2020-4-7 · 3 THE NEW BACKUP ROLL GRADE ASTI90X FOR SKIN PASS MILLS 3.1 Required Properties of Backup Rolls for Cold Mill Application Backup rolls in 4-hi and 6-hi mills have to provide certain properties in order to keep the rolling process as safe, constant and economical as possible. The achievement of good operational reliability,

  • Robust Tension Control of Strip for 5-Stand Tandem

    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.

  • A BASIC UNDERSTANDING OF THE MECHANICS OF

    2003-10-15 · 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 File: SCHROEDER_ROLLS_010703.DOC

  • Combined operating modes and frame types in

    1. Method for the operation of the rolling stands of a tandem cold rolling mill, comprising a pair of work rolls (10) and a pair of backup rolls (12) in the case of four-high rolling stands and, in addition, a pair of intermediate rolls (11) in the case of six-high rolling stands, wherein at least the work rolls (10) and the intermediate rolls (11) interact with axial shifting devices

  • Axial Force Analysis and Roll Contour Configuration of

    In order to analyze the influence of technical parameters on work roll axial force of four-high continuous variable crown (CVC) mill, the deformation analyzing model with top roll system and strip was established based on influence function method. Then a CVC work roll curve designing scheme was proposed and it was carried out on some cold rolling mill considering the requirement of

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