Rolls Specification Of 4 High Reversing Roughing Mill

Hot Strip Mill

Hot Strip Mill

For the roughing mill (reversible 4high) both roll force and roll torque were available so the friction coefficient could be evaluated in addition to the flow stress for each pass. The values were close to so it was decided to use this for all calculations, also for the finishing, sixstand (4high), tandem mill.

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One of the most modern facilities ...

One of the most modern facilities ...

Aug 25, 2016 · Key components are a reheating furnace, a fourhigh reversing roughing stand with edger, the sixstand finishing mill, a laminar strip cooling section, a .

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rolls specifiion of high reversing roughing mill

rolls specifiion of high reversing roughing mill

rolls specifiion of 4 high reversing roughing mill. mechanical engineering Types of rolling mills In two high reversing rolling mills the rolls rotate ist in one .

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SUPERIOR MILL PERFORMANCE | Primetals Technologies

SUPERIOR MILL PERFORMANCE | Primetals Technologies

Table 1 summarizes the main mill and product specifiions, and Figure 1 shows the general line layout. MILL EQUIPMENT. The line consists of a 4high reversing roughing mill (R2) equipped with hydraulic gap control and a vertical edger at the entry side (Figure 2).

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CUTTINGEDGE COLDROLLING MILLS | Primetals Technologies

CUTTINGEDGE COLDROLLING MILLS | Primetals Technologies

The most common configuration is the single reversing mill. Various mill designs are offered that include 6high UCMs (Universal Crown Control Mill), ZR mills and 12high coldrolling mills with smalldiameter work rolls for the efficient rolling of materials of high hardness.

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AnFeng HSM

AnFeng HSM

Sep 14, 2016 · Roughing mill The roughing stand with attached vertical edger is shown in Fig. 2. It has provisions for future installation of hydraulic, automatic width control cylinders and semiautomatic work roll changing. The 4h reversing rougher is powered by two 4500hp motors that are directly connected to the work rolls utilizing universal joint spindles.

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Rolling mill Rolls and Roll Shop – IspatGuru

Rolling mill Rolls and Roll Shop – IspatGuru

Dec 10, 2015 · These rolls are usually heat treated, the hardness range is 35 55 deg Shore and they are commonly used as backup rolls in 4high rolling mills. An alloy steel containing tungsten (W) and with a hardness of 40 – 50 deg Shore is very resistant to fire cracking and is sometimes used for roughing rolls in hot strip mills.

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(PDF) New Trends in Hot Strip Mill Roughing Mills ...

(PDF) New Trends in Hot Strip Mill Roughing Mills ...

Two alloys grades for work rolls used in the roughing stand of Hot Strip Mill — high chromium steel (HCS) and semihighspeed steel (semiHSS), In this paper, the new semihighspeed steel grade ...

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

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

Features. 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 cold ...

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

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

Sep 30, 2020 · 2. Three High Rolling Mills. It consists of three rolls positioned directly over one another as shown in the figure below. The direction of rotation of the first and second rolls are opposite as in the case of two high mills. The direction of rotation (path) of second and third rolls is .

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Solid End Milling

Solid End Milling

HARVI Une Solid Carbide End Mills Primary Appliion HARVI takes highperformance roughing, semifinishing, slotting, and profiling to the next level. The line is designed to provide maximum metal removal rates by achieving supreme surface conditions. A wide range of diameters and corner radii are available from stock.

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Type of Longitudinal Rolling Mills | Metals | Metallurgy

Type of Longitudinal Rolling Mills | Metals | Metallurgy

Bloom rolling mill is generally a single stand mill which is a two high reversing stand having roll diameter in the range of 1150 mm to 1600 mm and roll length of 2800 to 3000 mm. Each roll is powered by a separate speed controlled DC motor of nearly 5000 HP or more.

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Backup Roll Rolling Mills | Products Suppliers ...

Backup Roll Rolling Mills | Products Suppliers ...

Convertible 2Hi / 4Hi Rolling Mill Backup Roll Driven Backup Rolls: 22" Diameter x 30" Face Work Rolls: 63/4" Diameter x 30" Face Electromechanical Screwdown with hydraulic. Supplier Catalog. Go To Website. View Specs. Rolling Mills Model 3" x 10" x 14" FourHigh. Supplier: FENN.

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EPA2

EPA2

As shown in Fig. 4, a slab 50a cast by a casting machine (not shown) is heated and kept warm in a heating furnace 100. In series with a deliveryside line of the heating furnace 100, a reversing roughing mill row R is provided. In series with a deliveryside line of the roughing mill row R, a .

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Roughing Mill

Roughing Mill

Roughing mill rolling of reheated slab: The roughing mill usually consists of one or two roughing stands in which the slab is hot rolled back and forth 5 or 7 times repeatedly to reach the minimum thickness requirement. The roughing mill also contains edger rolls that are .

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Twohigh rolling mills Threehigh mill Aka reversing mill the direction of material movement is reversed after each pass used for hot rolling in initial breakdown passes (primary roughing or cogging mills) roll diameters ranging from to m

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USB1

USB1

A method and apparatus for reducing crop losses during slab and ingot rolling concerns the formation of a slab ingot having a specially configured or shaped butt end and optionally a head end as well. A special shape is formed by machining, forging or preferably by casting. The special shape at the butt end is imparted during casting by a specially shaped bottom block or starter block.

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