• hi mill workroll material composition

    Camber For 4 Hi Mill Work Roll ,Camber For 4 Hi Mill Work Roll rockmine roll grinder machine for 6hi mill rolls manufacturer in Nigeria Paper Rolls Handing, It can be used to deal with materials .4 Hi Mill Workroll Material Composition ,Mill rolls Rolls for rolling mills Grooved mill rolls are meant for section material with round or square section, rail and Hbeam rolling Rolls made of ...

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  • USA

    The invention relates to a rolling mill of the 4 Hi Mae West type having cylinders for axially shifting the work rolls for a schedule free rolling operation, work roll balance cylinders are mounted in the Mae West blocks and as a result assume a varying off set axially relation with the work roll bearings, a control for the balance cylinders to compensate for the effect the offset conditions ...

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  • 4High Rolling Mills | Metal Processing Machinery ...

    4High Rolling Mills. Fourhigh rolling mills can be put in tandem, two to seven stands, instead of a reversing mill. They can be equipped with load cells to tell the separating force and hydraulic or mechanical screw downs, depending if it is hot or cold rolling. Sometimes mechanical screw downs are preferred when there is a risk of fire.

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  • 4Hi Rolling Mill from Xi'an Hani New Energy and ...

    3. Configurable work roll bending roller device, whole machine structure is simple, easy maintenance operation, less investment. 5. Screw down has two kinds control method, ordinary electromechanical screw down and AGC hydraulic screw down. AGC 4hi rolling mill control accuracy, especially suitable for high precision coldrolled strip ...

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  • Ruesch 4 High Rolling Mills For Sale, New Used ...

    One used 18" RUESCH 4HI REVERSING MILL MODEL 265 ROLLING MILL (13921) Machine # 13921 Type Mill 4 Hi Reversing Rolling Mill Manufacturer Ruesch / I2S Year 1980 Model Number 265 Mill Horsepower 300 HP 500 VDC 65

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  • 2 High / 4 High Rolling Mills for sale, New Used ...

    MACHINE 13681 Fenn Combination 4 HI 2 HI Mill Model: 4053C Roll Face: " (191mm) Wide Work Roll: " (42mm) Dia. Backup Roll: " ( 134mm) Dia. Backup Roll Journal:

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  • Mill workroll material composition

    4 hi mill workroll material composition. 4 hi mill workroll material composition 4 hi mill workroll material composition Steel rolling mill chatter marks Mechanical · I have been asked to investigate "roll chatter" on a "skin pass" steel rolling mill .

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  • 4Hi Rolling Mill from Xi'an Hani New Energy and ...

    1. Configurable work roll bending roller device, 2. The whole machine structure is simple, easy maintenance operation, less investment. 3. Screw down has two kinds control method, ordinary electromechanical screw down and AGC hydraulic screw down. AGC 4hi rolling mill control accuracy, especially suitable for high precision coldrolled strip ...

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  • 4High rolling mill

    providing a 4high rolling mill comprising (a) a pair of upper and lower work rolls for rolling a material to be rolled, said work rolls being provided with a roll bending device, and each of said upper and lower work rolls having a curved initial crown portion formed on one side portion of a barrel of said work roll which is not less than a half of a length of said work roll barrel, and a ...

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  • Superior Profile Control Technology With EdgeOriented ...

    control simultaneously in 4Hi mill components, when the paircross mill is installed into a cold rolling mill. On the other hand, in the context of a workrollshift mill, Fukutake6) asserts that attaching a mechanical crown to the work roll with hemitaper contour can be valid and feasible. Shihonmatsu 7)

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  • Cold rolling mill 4high

    The 4high 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 backup roll is driven, depending on customer requirements. The diameter of the 4high work rolls amounts to approximately 1:4 .

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  • COLD ROLLING SOLUTIONS FOR THE PRODUCTION OF AHSS / .

    change in mill stand 4 from 4high to 18high mode with a work roll diameter of 180 mm, allows reducing the achievable product thickness down to mm at significant lower rolling force levels (app. 8 MN roll separating force on FlexHI stand). Figure 4. 5stand tandem mill .

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  • camber for 4 hi mill work roll

    The ZHigh® concept permits the revamping of a classical 4High mill with a system that uses amuch smaller work roll. Sheet Camber and Cambering of Rolls | Metallurgy Jan 27, 2011· In this paper, a mathematical model for a four‐high mill is proposed to analyze the elastic deformation of its back‐up and work rolls, including their respective axial deflections and surface flatness.

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  • Roll chocks in Rolling Mill – IspatGuru

     · In a four high mill, there are four types of roll chocks namely (i) top back up roll chock, (ii) top work roll chock, (iii) bottom work roll chock, and (iv) bottom back up roll chock. Further the design of the roll chock is also influenced by the type of housing which is used in the rolling mill.

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  • Cold rolling mill 4high

    Either the work roll or the backup roll is driven, depending on customer requirements. The diameter of the 4high work rolls amounts to approximately 1:4 in relation to the barrel length. This type of rolling mill is mainly used in offline appliions for cold rolling of soft and medium strip and for a wide range of strip widths, as well as for breakdown rolling in offline appliions.

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  • The Rich Reward of Innovation | Primetals Technologies

    Rather, the "undesirable contact area"—the area between the backup roll and the work roll in the 4Hi mill that extends beyond the width of the strip—was to blame. I found that the backup rolls and the work rolls, even though they were made of hard steel, would deform by elastic force as if they were made out of rubber, as long as the undesirable contact area existed.

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