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  3. Roll Length In Four High Rolling Mill

Roll Length In Four High Rolling Mill

  • US3638468A Rollchanging means for fourhigh rolling

    US3638468A Rollchanging means for fourhigh rolling

    Roll changing means for a four-high rolling mill for automatically and rapidly changing top and bottom working rolls and top and bottom backup rolls without necessitating the use of a crane by combining a working roll changing truck and a backup roll changing truck in a double-sled shifted sidewise manner.

  • mechanical engineering Types of rolling mills

    mechanical engineering Types of rolling mills

    3 Four high rolling mill It has a roll stand with four parallel rolls one above the other. The top and the bottom rolls rotate in opposite direction as do the two middle rolls. The two middle are smaller in size than the top and bottom rolls which are called backup rolls for providing the necessary rigidity to the smaller rolls. A four high ...

  • Carbon SS steel 4Hight 6High Cold Rolling Mills

    Carbon SS steel 4Hight 6High Cold Rolling Mills

    4-HIGH COLD ROLLING MILL, in variety of sizes, reversing or non-reversing Work roll diameter 120 350mm dia. Back up Roll diameter 450 1050mm dia. R oll surface length 450 1450mm long. Max milling pressure 2400KN 12000KN

  • Roll Pass Design Methods for Three and FourRoll Rolling

    Roll Pass Design Methods for Three and FourRoll Rolling

    Abstract and Figures. In bar and wire rod mills, rolling procedures featuring three-and four-roll technologies are state-of-the-art to produce high-quality long products. While a rolling model for ...

  • China 4 Hi Four Roller Cold Rolling Mill Line

    China 4 Hi Four Roller Cold Rolling Mill Line

    Customers trust us because we make the rolling mill exactly as what they want.4-Hi cold rolling mill is very popular for reducing HR, pickled or non pickled, steel coil strip from 3mm to 0.2mm with steel strip width ranging from 300-800mm. The main composition of a four high rolling mill line

  • The numerical analysis of roll deflection during plate rolling

    The numerical analysis of roll deflection during plate rolling

    Jun 01, 2006 In modern four-high rolling mills, adjusting the shape of the roll face by changing the temperature along its length is avoided on the other hand, in two-high hot rolling mills, the rolls are heated up with torches, which compensates for the contour convexity caused by the temperature increase, and the elastic deformation of the rolls caused ...

  • Different Types of Rolling Roll Mills used by Steel Roll

    Different Types of Rolling Roll Mills used by Steel Roll

    Dec 24, 2018 3.Four High Rolling Mills. The Four High Rolling Mills have a roll stand with four parallel rolls placed one above another. The top and bottom rolls work in the opposite direction. The two in the middle are smaller than the top and bottom rolls, which are also known as backup rolls. 4.Tandem Rolling Mills.

  • What are main Types of Rolling mill mech4study

    What are main Types of Rolling mill mech4study

    May 02, 2017 Tandem rolling is also known as continuous rolling in which two or more set of four high rolling mill arranged in a series in which each set is called stand. These stands are arranged so they can roll the work piece in decreasing cross section. It is used for rolling

  • EdgeDrop Control Behavior for Silicon Strip Cold

    EdgeDrop Control Behavior for Silicon Strip Cold

    mill, four-high rolling mill, six-high rolling mill and the Sendzimir mill are all common equipment for ... Work roll diameter roll length mm mm F 80 1677

  • Classification of Rolling mills IspatGuru

    Classification of Rolling mills IspatGuru

    Jun 04, 2013 This roll configuration is used for the rolling of the shaped rolled products in grooved rolls. The drive of these mills normally include a fly wheel. Four-high mills In the four high rolling mills, the roll configuration consists of four horizontal rolls, mounted in a single vertical plane.

  • 4High rolling mill Hitachi Ltd

    4High rolling mill Hitachi Ltd

    9. A 4-high rolling mill according to claim 8, wherein n is between 2.0 to 2.5. 10. A 4-high rolling mill according to claim 8, wherein a maximum shift amount of said roll shift device is about 12 of the difference between a maximum and a minimum width of the material to be rolled. 11.

  • A computational method to predict strip profile in rolling

    A computational method to predict strip profile in rolling

    Sep 12, 2008 The new method is now applied to simulate the deflection in a 4-high rolling mill and compare the predicted strip profile with that obtained using a large-scale, commercial finite element analysis FEA package. Partial symmetry of the 4-high roll configuration is exploited, leading to an upper half model of the mill.

  • Axial Force Analysis and Roll Contour Configuration of

    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 ...

  • 2 High Rolling Mills for sale New amp Used

    2 High Rolling Mills for sale New amp Used

    MACHINE 13826 5 127mm Diameter x 8 203.2mm Face Stanat TA-312 24 High Rolling Mill Manufacturer Stanat Machinery Co., USA Model TA-315 Size 5 x 8 Type

  • Shape Control Technologies in Hot Strip Mill IspatGuru

    Shape Control Technologies in Hot Strip Mill IspatGuru

    Oct 27, 2020 TP rolls are used for hot rolling mills whose back-up rolls have a large barrel length. TP rolls can also easily be installed in 2-high rolling mills, in which shape control actuating devices cannot easily be installed because it is not possible to apply the work roll bending.

  • 4 High Rolling Mill Element

    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. This reduction in work roll diameter Reduces overall separating force required for reductions

  • Cold rolling mill 4high ANDRITZ

    Cold rolling mill 4high ANDRITZ

    The 4-high mill is equipped with positive and negative work roll bending in order to influence the shape and the flatness of the strip. Either the work roll or the back-up roll is driven, depending on customer requirements. The diameter of the 4-high work rolls amounts to approximately 14 in relation to the barrel length.

  • Four Types Of Rolling Mills Metal Processing Machinery

    Four Types Of Rolling Mills Metal Processing Machinery

    A cluster rolling mill is a special type of four-high rolling mill in which each of the two working rolls is backed up by two or more of the larger backup rolls which are able to roll hard materials. It may be necessary to employ rolls of a very small diameter but of considerable length to

  • 4High Rolling Mill Cold Mills Industry News Hani Tech

    4High Rolling Mill Cold Mills Industry News Hani Tech

    Nov 28, 2016 A 4-high rolling mill can be a small mill or a stand-alone, high torque, high reduction mill. A typical reversing mill has a quick change roll system. Four-high mills can be equipped with roll bend and shape control, a precision consistent product. Old 4-high cold rolling mills can be upgraded.

  • Impact Analysis of Roller System Stability for FourHigh

    Impact Analysis of Roller System Stability for FourHigh

    Modern four-high mills all set corresponding offset value 1, 2, such as 2050 CVC four-high rolling mill and 4300-medium plate mill of the German SMS, four-roll rolling mill of the British DAVY, 1580-pair cross four-high rolling mill of Japan Mitsubishi heavy industries. But these modern four-high mills with offset all have roller parallel ...

  • Changes in rollgap shape in the case of vibrations in a

    Changes in rollgap shape in the case of vibrations in a

    Oct 01, 1996 Changes in roll-gap shape in the case of vibrations in a four-high rolling mill stand. Author links open overlay panel W. Dobrucki a A. Bar b. Show more. Share. Cite. ... VD and at the moment t 13 ms the width of the strip is 1500 mm the length of the roll-face is 1700 ram Point on the roll-face Amplitudes of the model of vibration ram ...

  • 4High Rolling Mills Metal Processing Machinery

    4High Rolling Mills Metal Processing Machinery

    Four-high mills are very common for steel, aluminum, copper, and any high production metal rolling. One disadvantage of a 4-high mill is that the edges of the material tend to elongate. There is no supporting surface at the edges. Even though the roll is equipped with roll bend, a complicated roll shape may be necessary to eliminate elongation ...

  • Type of Longitudinal Rolling Mills Metals Metallurgy

    Type of Longitudinal Rolling Mills Metals Metallurgy

    The first rolling stand of the mill is a two high reversing rolling stand having roll diameter of about 900 mm and barrel length of 2300 to 2500 mm. It rolls the bloom to required size for starting the profile passes. Rough pre-forms may also be rolled in this stand. The billet is then rolled in three high rolling

  • Types of Rolling Mills Metallurgy

    Types of Rolling Mills Metallurgy

    Multi-High Rolling Mill The multi-high rolling mill consists of two small diameter working rolls, a row of intermediate driving rolls, and a raw of backup rolls. This arrangement involves a cluster of either 12 or 20 rolls, resulting in exceptional rigidity of the whole roll system.

  • CN1986089A Horizontal rolling apparatus and process for

    CN1986089A Horizontal rolling apparatus and process for

    The production equipment of four-high mill level rolling cycle shaped steel has the common pass structure of forming of symmetrical two lace edging rolls and upper and lower horizontal roll Left and right lace edging roll is to be made of two identical solid cylinder revolving bodies, and periodic distribution projection measure-alike, strip ...

  • Steel Rolling Total Materia Article

    Steel Rolling Total Materia Article

    Roll changes on such mills are relatively frequent and time consuming. This type of mill is therefore used for primary rolling where rapid change of shape is required, even at the expense of surface quality. Four-high mills are a special case of two-high, and in an attempt to lower the rolling load, the work roll diameter is decreased.

  • Mechanics of Cold Rolling of Thin Strip IntechOpen

    Mechanics of Cold Rolling of Thin Strip IntechOpen

    Fig. 1. Edge contact of work rolls and Slit beam deflection mode for a 4-high rolling mill 2. Roll deformation of 4-high rolling mill As symmetry of the mill about the mid-span of the rolls, the calculation process involv es one half of a roll system. Given in Fig. 1, one half of the roll barrel and the strip are divided into www.intechopen.com

  • Rolling of Steel in small and medium sized Rolling Mills

    Rolling of Steel in small and medium sized Rolling Mills

    Jun 09, 2017 A rolling mill is the place where the rolling of steel in carried out. It consists of one or more rolling stands along with some auxiliary equipment where auxiliary operations associated with the rolling of steels are performed. Rolling of steel in small and medium sized rolling mills is generally carried out in cross-country rolling mills.

  • Rolling Mills Metal Processing Machinery American Steel

    Rolling Mills Metal Processing Machinery American Steel

    The conversion allows the standard 4-high rolling mill design to roll lighter gauges without the many deficiencies of a 4-high rolling mill. Our current equipment include 26 x 72 2-High Lewis wRoll Bend 3.5 x 16 x 20 American 4-High wTerminal Equipment 16 x 20 x 48 4-High 23,000 HP DC Drives

  • Rolling Mills

    Rolling Mills

    Four-High A 4-HI mill may be used for finish rolling of thin gauge stock. 6-HI roll inserts are also available for narrow width ribbon and foil products. Combination A combination rolling mill is a versatile two-in-one type of metal rolling mill that permits both 2-HI and 4-HI rolling operations.

  • Rolling of Metals in Mills Definition Types Working

    Rolling of Metals in Mills Definition Types Working

    A Tandem roll mill is the rolling process arrangement in which four high mills are in synchronization one after another. The product undergoes each one of them, which provides a reduction in thickness. Tandem rolling mills. In this arrangement, each mill is known as a

  • Rolling Process Working Application Defects Type of

    Rolling Process Working Application Defects Type of

    Four High Rolling Mills In this type of mill, there are four parallel rolls one by another. In this operation, the rotation of the first and the fourth rolls take place in the