4 hi mill workroll material mposition

work roll,Back-up roll-JIANGSU HERO WAY ROLLING CO., …

Forged steel back-up roll is mainly used in 4-Hi mill and 6-Hi mill. The diameter of roll barrel is 350~1400mm. The material of back-up roll includes 60CrMo, 9Cr2Mo, 86CrMoV7, 70Cr3Mo etc. The main types of mills: back-up roll of 650mm Mill, 900mm Mill

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Cold rolling mill 4-high

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 1:4 in relation to the barrel length. This type of rolling mill is mainly used in offline applications for cold rolling of soft and medium strip and for a wide range of strip widths, as well as for break-down rolling in offline applications.

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A BASIC UNDERSTANDING OF THE MECHANICS OF ROLLING MILL …

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

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4-High Rolling Mills | Metal Processing Machinery | …

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. Tags Rolling Mills4-High Rolling Mills Four-high rolling mills can be put in tandem, two to seven stands, instead of a reversing mill. They ...

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4 High Rolling Mill

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

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4 hi Mill workroll material mposition

You can get the price of 4 hi Mill workroll material mposition and a A&C representative will contact you within one business day. 3300 High Temperature Proximity System The 3300 High Temperature Proximity System (HTPS) is designed to withstand the extreme temperatures found inside gas turbines, steam turbines and other types of rotating machinery.

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Hot Rolling Mill Rollers of Steel Mills

Rolling mill Application Material of mill rolls Roughing, intermediate mill Special alloy cast steel, Alloy rolls nodular iron Prefinishing and 4. HI - ALLOYED ROLLS FOR TMT PLANTS Special steels alloyed with nickel, chromium & molybdenum.

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Z-mill

A Z-Mill or Sendzimir Mill is a machine for rolling steel.[1][2] Unlike a traditional rolling mill this 20-high cluster mill configuration utilizes cascaded supporting rolls to apply force on the small work rolls in the center. This allows the application of a higher roll pressure without …

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Characteristics and Line-up of IHI’s Non-Ferrous Metal Rolling Mills

In general, non-reversing 4-HI mills are used as aluminum foil mills which comprise ① a roughing mill, ② an intermediate rolling mill, and ③ a finishing mill, according to the intended thickness and production amount (rolling time) of the foils. In some cases, in

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Design and function of CVC rolls as a flatness actuator in a cold rolling mill

cold rolling mill is of the type where shifting of both first intermediate and inner second intermediate rolls are possible. The rolls are numbered and defined as: 1. Work roll, diameter between 50-75 mm. 2. First intermediate roll (tapered), diameter between 904.

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4 Hi Work Roll 2/3 Hi WorkRoll Hot Srip Mills Back ups Roughing Finishing Long products Pipes light and Medium Sections mill Heavy Section Food Industry Flour Mill Rolls Oil Extraction mill Roll Casting parts Ingot Moulds Slag pots full mould casting Billets

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Fundamentals of Roll Cooling and Control of Flatness at Primary …

roll bite and in a typical Cold Tandem Mill, work roll temperatures normally fall in the range of 55oC – 70oC with strip recoil temperatures and inter-stand strip temperature rarely exceeding 160 o …

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High Chromium Steel Rolls Enhanced High Chromium Steel …

High chromium steel is similar to high Cr cast iron with lower carbon content of 1.0-1.8%.The lower carbon grades are true steel with no eutectic carbides and higher carbon grades have some eutectic carbides. Hi Chromium steel rolls are used in roughing stands of

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(PDF) Ribbon Fatigue Spalling of a Forged Work Roll Used …

Analysis of in-service catastrophic failure of a work roll in a cold rolling mill of an integrated steel plant has been Fig. 5 EDS spectrum of location 1(carbide) as marked in Fig. 4 a

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4-Hi Mill, 4-High Mill | Waterbury Farrel

4-Hi Mills Intermediate & Finishing Mills The versatile Waterbury Farrel 4-Hi Mill can be deployed as both a non-reversing mill for intermediate rolling and as a reversing mill for finish rolling. Smaller work rolls allow for more efficient material reduction. The larger ...

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