tage over traditional plate mills. The single stand of a 4-high reversing Steckel mill carries out both roughing and finishing passes. With the increase of mar-ket demand on high-strength low-alloy (HSLA) steels, the mill needs to extend its roughing pass schedule to roll the steels due to the limit of torque. However, an extensive pass
Get Price4-hi Reversing roughing mill Supplier Schloemann Siemag Tonnage 900 000 tons/year Initial slab thickness 140 or 200 mm Work roll diameter, length, weight 895 mm, 2800 mm, 22 tons Backup roll diameter, length, weight 1600 mm, 2650 mm, 58 tons Maximum roll force 4000 tons Motor, drive power 2 x 4.35 MW Slab width 2100 mm Maximum edging force 600 tons
Get PriceRolling mills consisting of two rolls or known as a 2 High rolling mill is used for anything from temper pass to breakdown of material. The 2 High rolling mill typically have larger diameter work rolls that are positioned with actuators that either have
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Get Pricesteels, High strength low alloy steels etc., which are extensively used in industrial sectors. Hot rolling mill complex is equipped with walking beam re-heating furnace, primary descaler, 4-hi reversing roughing mill, 4-high reversing steckel mill, down coiler, laminar cooling and roll grinding machines, procured from world renowned suppliers.
Get PriceThese rolls are statically cast and undergo a special high temperature heat treatment process of double annealing followed by tempering cycles to give a micro structure consisting of fine pearlitic matrix with spherodised / broken carbide. Application These Rolls are
Get PriceSundwig S6-high cold rolling mill Highest reductions for challenging products Due to their excellent features, Sundwig S6-high (supported 6-high) rolling mills are mainly used for cold rolling of a wide range of strip hardnesses, widths, and gauges, either in processing lines as high-capacity reduction mills or offline as reversing reduction mills.
Get Pricetitle of specification 16 (410 mm) wide tilgert 4 high reversing cold mill mill width 16 number stands 1 manufacturer of equipment tilgert year of manufacture 1970's material rolled steel number stands 1 revers/nonrev reversing roll configuration (2 hi, 4 hi, 6 hi) 4 high starting coil width 12 starting coil gauge
Get Priceset of rolls of reversing mill. Technical specifications heating of material in the gas furnace (max. 1300 C) and in the resistance furnace; process control, measurement and data storage is realized by industrial computer PLC reversing roughing mill enables to roll rod 15,8 mm from round 55 mm or
Get PriceOur mill is capable of rolling material from .100 down to .002 up to a width of 40. We specialize in gauge ranges from .004 .030. We are also capable of providing either annealed or tempered product to your exact specification. Hampshire's 20 high reversing mill was designed by Sundwig with state of the art Siemens controls. Get Price
Get PriceJun 04, 2013Classification of Rolling mills Rolling is the process of plastically deforming metal by passing it between rolls. It is the most widely used forming process, which provides high production and close control of final product.
Get PriceAbstract A hot strip mill includes at least one roughing reversing mill and a finishing train with the reversing mill spaced from the finishing mill by a distance greater than the length of the transfer bar on the penultimate pass but less than the distance of the final pass through the roughing reversing mill so as to be close coupled to the
Get PriceAs an integral part of a modern roll maintenance program, roll grinding and balancing uses machinery with accurate inspection and measurement equipment. This paper provides practical tips on roll inspections, balancing, grinding and grooving. In addition, we discuss proper roll handling during removal, storage, transport, and reinstallation.
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Get PriceAdamite Steel Base rolls can be classified as high carbon alloy steel rolls. The carbon content is in the range 1.3-2.2% and alloy additions produce a structure containing no free carbon and a discontinuous hypereutectic carbide phase. However, for an increase in carbide there will be a reduction in toughness.
Get PriceIn total there are 3 groups of stands roughing, intermediate and finishing. roll speed set-up in hot strip finishing rolling mill Science Direct. of initial roll speed setting for a 7-stand finishing mill, an equation for predicting forward slip and a roughing mill which reduces the thickness of sheet.
Get PriceAC adjustable speed motor drive systems are the preferred technology for new rolling mill installations and modernization projects. TMEIC designs and manufactures two types of AC solutions for this purpose. Salient pole synchronous motors that meet the high power and torque demands of a hot strip mill, as well as roughing and finishing stands.
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Get Pricerolls specifiion of 4 high reversing roughing mill. rolls specification of 4 high reversing roughing mil rolls specifi ion of high reversing roughing mill Will Rolls Mill Operator be slab and coil yards etc 4-high reversing roughing The new four-high Cold Rolling Mill is of high performance specification.
Get PriceDec 13, 2013In a Hot rolling mill especially in a steel industry where highly integrated automation is used for high quality steel strip production, how roll change can be done in auto mode or in manual mode through HMI.
Get PriceThe roughing mill is one of the most loaded parts of the steel plant; it consists of two reversing 3-high mill stands with ten passes, eight in first stand and two in second, Fig. 1.The failures of the rolls with grooves on the 1.stand of the 3-high-roughing mill stand occurred four times, Refs.
Get Pricethe wire rod mill of the Kimitsu Works, (2) the high rigidity three-roll-finishing rolling mill of the bar mill of the Yawata Works, (3) endless rolling in the wire rod mill of the Kamaishi Works, and (4) the renewal of pouring reel and its master control system of the bar mill of the Muroran Works. 2.
Get PriceDec 13, 2013In a Hot rolling mill especially in a steel industry where highly integrated automation is used for high quality steel strip production, how roll change can be Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising.
Get PriceRAWC system is attached to roughing mill vertical edgers to control strip width to ordered value. WRS Work Roll Shifting System WRB Work Roll Bending System WRS system is to shift work roll horizontally to control the even wearing of roll surface and thus to
Get PriceAt four-high reversing roughing stand, the heated slabs are reduced to a thickness of 30 mm with seven passes. Finally, the required thickness is achieved in a four-high six-stand tandem finishing mill (F 1 to F 6) at a finish rolling temperature of 870 900C, depending on the grades. Centrifugally cast high chrome rolls are used for the
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Get Price20-High Mills. Sendzimir's 20-High mills are unique in that they have a small, chockless work roll and a cluster roll configuration supported by the Backing Assemblies. The cluster configuration transmits the roll separating force from the work rolls to the mill housing.
Get PriceDeeTee rolls out world class forged rolls- Sendzimir mill rolls / cluster mill rolls, 6Hi, 4Hi and 2Hi mill rolls, skin-pass rolls etc. The rolls are prone to very tough working conditions and have to be perfect in terms of wear resistance, toughness
Get PriceKselect is an internet-based selection program for A Series. This selection program provides all necessary technical data including inertias and torsional stiffness. Visit A SERIES ELASTOMER COUPLINGS Technical Specification
Get PriceThe two-high reversing mill has rolls that can rotate in both directions, but the disadvantage is Get Price. MKW Cold Rev. Mill AG Powell Equipment, Inc. Hot Rolling Mills; Roughing Reversing Mills; Cold Reversing Rolling Mills. KMUK offers a comprehensive stock range of Reversing Mill Plate (RMP) covering specifications for
Get PriceAchenbach offers the following types of hot rolling mills Single-stand reversing hot rolling mills for smaller strip production volumes and two- and four-high sheet production; Hot rolling lines with single-stand reversing roughing mills and finishing mills for medium production volumes in two- and four-high
Get PriceQuestion A Series Of Cold Rolling Operations Are To Be Used To Reduce The Thickness Of A Plate From 50mm Down To 25mm In A Reversing Two-high Mill. Roll Diameter = 700mm And Coefficient Of Friction Between Rolls And Work = 0.15. The Specification Is That The Percent Reduction Is To Be Equal On Each Pass.
Get PriceWidth 450mmThickness 0.2mm 3.2mm Year 1995Material Mild Steel, CRThickness 3.2mm 0.2mmWidth 450mm (Max 500mm)Coil Weight 7 TonsCoil OD 1500mmWork Roll Size 125mm x 610mmBackup Roll Size 600mm x 590mm IncludedWork RollsBackup RollsMotor TransformerMotor for Mill DC 150 kWBackup Roll DriveMotor for Payoff Reel DC 75 kWMotor for Tension Reel DC 95
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