Crusher Machine supplier -- Leader of crusher machine manufacturer in China

You are here:Home>>rolls specification of 4 high reversing roughing mill

rolls specification of 4 high reversing roughing mill

  • 3C(1) Manufacture of Strips and Plates

    After the scale breaker has removed the scale from the surface of the slab, the slab is then hot rolled by a hot strip mill which contains both roughing mills and finishing mills. The roughing mills, which are 2high or 4high mills of 2 to 6 stands, carry out either reversing or onedirection rolling. The finishing mills, which are 

    Online
  • MODELING AND CONTROL OF PLATE Semantic Scholar

    Keywords: hot rolling, reversing finishing mill, heavy plate thickness control, nonlinear There is an ever increasing demand for higher quality . upper work roll lower work roll lower backup roll lower traverse hydraulic positioning system mill housing. (simplified). Fig. 1. Fourhigh stand of the finishing hot rolling mill.

    Online
  • Improvement of rolling 6 mm thin plates in plate rolling mill PT

    is the main quality issue in rolling 6mm plate using a 4 high reversing mill which use ±1100mm work roll. Thus some of the global steel market, steel production of various specifiion and size in PT. KP is still Since finishing mill stand has its own design capacity and main drive limitation, thickness reduction is.

    Online
  • Upgrading of Hot Finishing Mill to 4Stands, and Replacement of

    2.1 Equipment Specifiions. The hot finishing num strip products and to users' requirements for higher quality, work has been going forward on a Photo 1. Hot finishing mill. Stand no. Manufacturer. Type. Nonreversing 4stands. Main motor rating. Max. rolling force. Max. rolling speed. Roll dimensions. Profile actuator.

    Online
  • Rolling Mills Steelmill Steel Mill Equipment, Surplus and Used

    Cluster Mills. IEN# 118377 11" 6 Roll Cluster Reversing Mill ? O.D. of Reels 16" ? Payoff Reels 16" 20" ? Max Coil Weight 8000# ? Max O.D. 60" ? Max Speed 350 FPM ? 60 HP Mill Motor ? (2) 25 HP Motors per Reel ? Backup Rolls 14" Dia. ? Work Rolls 7" Dia. ? Electricals are For Information Roughing Mills.

    Online
  • PlateSteckel Mill Primetals Technologies

    Plate and coil products derive their properties from the combination of the deformation and temperature path followed, and this means that the flexibility to roll a broad mix in a single mill is built into the layout and the machine Fig.4 Reversing 4high steckel mill Fig.5 A roughing mill prior to the steckel plate mill.

    Online
  • Rolling (metalworking) Wikipedia

    In metalworking, rolling is a metal forming process in which metal stock is passed through one or more pairs of rolls to reduce the thickness and to make the thickness uniform. The concept is similar to the rolling of dough. Rolling is classified according to the temperature of the metal rolled. If the temperature of the metal is 

    Online
  • Hot Rolling Nippon Yakin

    Primary Specifiions. Roughing Mill, fourhigh reverse mill. Roll Separating Force, 4,000 tons maximum. Speed, 314 m/min. maximum. Rolling Specifiions. Thickness, 220 to 6.0mm. Width, 2,500mm maximum 

    Online
  • Steel Forming of steel metallurgy Britannica

    After heating, a tiltable transfer buggy brings a hot ingot to a twohigh reversing mill, which takes one pass after another, reversing the rolls and roller table each time the ingot After roughing, it proceeds to a long (about 140 metres) roller table in front of the finishing train for cooling, when required for metallurgical reasons.

    Online
  • Analysis of Spalling in Roughing Mill Backup Rolls of Wide and Thin

    Apr 19, 2014 In this paper, the spalling causes of backup rolls in a roughing mill of a hot strip rolling mill . pass (three or five passes) reversing hot rolling with deformation. Figure 4. Schematic diagram of stress form on the backup roll surface. Figure 5. High precision grinding machine. A) monitor, B) backup roll, C) 

    Online
  • PDF Images

    Sep 13, 1985 (4) The accuracy of the No. 1 twohigh slabbing mill which serves as rougher has been improved. At the same time, the mill has been remodeled to finish roll largesection round bars with diameters of 230 mm or more. (5) The rollchancefree function of the finishing mill is realized by a rapid online stand 

    Online
  • Hot Mill Roughing/Finishing Mill/Descaler Top Side and Bottom Side

    Since most of the reduction is made in the roughing mill, the speed of the process and the product quality is dictated by the metal temperature and the desired reduction. The finishing For those plants that roll stainless steel, high silicon steel, or high nickel alloys the multiwavelength sensor is recommended. For those 

    Online
  • HOT ROLLING PRACTICE An Attempted Recollection insdag

    The initial hotworking operation for most steel products is done on the primary roughing mill. (blooming, slabbing or cogging mills). These mills are normally twohigh reversing mills with 0.6 1.4 metres diameter rolls (designated by size). .. applied which forms the material to the desired profile and specifiion.

    Online
  • NISSHIN STEEL Public Relations Manufacturing System

    Ironmaking and Steelmaking process. In April 1995, we replaced an existing blast furnace with new equipment featuring cuttingedge technologies, and introduced an iron making process that involves highrate injection of powdered coal to achieve efficient operations. Leveraging the characteristics of our No. 1 and No.

    Online
  • Sendzimir Products ZHigh® Mills

    Revamp Existing Mill. The ZHigh® concept permits the revamping of a classical 4High mill with a system that uses amuch smaller work roll. This new Normally, the conversion of a 4High to a ZHigh® requires no other electrical changes, except to reverse the leads to the main mill motor so that it will rotate in the 

    Online
  • References for hot strip mills SMS group

    Hot strip rolling mills. SMS group. 4. XRoll® hot strip mills from the SMS group are all round plants for the manufacture of hot strip. Their product range extends .. Width. 800 to 1,860 mm. Coil. Outside diameter max. 2,150 mm. Spec. coil weight max. 23.0 kg/mm. Total weight. 36.0 t. Twohigh roughing stand with edger.  

    Online
  • Vol45No2_C 2dd IHI

    the needs and required specifiions of rolling mills essential for producing sheets and foils of nonferrous Roughing mill (reverse mill). Finishing mill (tandem mill). Cold rolling mill. Cold rolling. Nonreversing 4HI rolling mill. Process annealing. (Note). : Back up roll. : Work roll. Plate. Disk. Narrow strip. Foil. Cutting &.

    Online
  • the new global competence in hot rolling Primetals Technologies

    Manufacturing execution system (MES). View of ATI's hotrolling processing facility, Brackenridge, Pennsylvania, U.S.A.. 7stand, 4high finishing mill. HOTROLLING AND PROCESSING FACILITY EQUIPMENT. ROUGHING MILL. Following reheating and descaling, the slabs or ingots are initially rolled in the roughing mill 

    Online
  • PDF Images

    Sep 13, 1985 (4) The accuracy of the No. 1 twohigh slabbing mill which serves as rougher has been improved. At the same time, the mill has been remodeled to finish roll largesection round bars with diameters of 230 mm or more. (5) The rollchancefree function of the finishing mill is realized by a rapid online stand 

    Online
  • 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 

    Online
  • Alloy Indefinite Chill Union Electric Steel

    DESCRIPTION. APPLICATIONS. Product. Type of Mill. Position. Plate. 2, 3 and 4 High. Roughing/Finishing. Wide Strip. 4 High Continuous. Finishing. Wide Strip. 4 High Reversing. Roughing/Finishing. Cold Reduced Strip 4 High Continuous. Work Rolls. Sheet and Coil. 2 High Skin Pass. Work Rolls. Sheet and Coil. 4 High 

    Online
  • 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 

    Online
  • a basic understanding of the mechanics of rolling mill rolls BRC

    Stresses from Hertzian pressure in 4high cold mill back up rolls were measured years ago, the work rolls in finishing mills of hot strip mills, which were also used for many other appliions such as roughing stands of . without a basic understanding of material properties for specifiions, and then (knowing nothing.

    Online
  • rolling VŠB

    threehigh rolling mills by the fact that its intermediate roll has smaller diameter than the top and bottom roll. nonreversing (unidirectional) rolling mills (e.g. rolling of medium and light sections, strips) .. For spread calculations in rolling of thick products with free spread on conditions of roughing mills the following 

    Online
  • ROLLS FOR ROLLING MILLS

    Because of exceptionally high requirements to the quality of metal used for production of cold mill rolls 4. Rolls for Hotrolling Mills. Specifiions. Work Rolls for Sheet. Mills. Backup Rolls for Sheet. Mills. Rolls for Blooming and. Slabbing Mills. Rolls for Billet Mills. Rolls for Railand Tempering and Reversing. Mills.

    Online
  • Hot Rolling Nippon Yakin

    Primary Specifiions. Roughing Mill, fourhigh reverse mill. Roll Separating Force, 4,000 tons maximum. Speed, 314 m/min. maximum. Rolling Specifiions. Thickness, 220 to 6.0mm. Width, 2,500mm maximum 

    Online
  • Design and function of CVC rolls as a flatness actuator DiVA portal

    Feb 24, 2012 CVC rolls as a flatness actuator in a cold rolling mill. Design och funktion av CVCvalsar som planhetsställdon i ett kallvalsverk. Jonas Johannesson. 120224 Summary. When cold rolling thin steel strips with high tensile strength, reversible cluster mills are used. .. roughing and Steckel mill. After the 

    Online
  • mechanical engineering: Types of rolling mills

    In two high reversing rolling mills the rolls rotate ist in one direction and then in the other, so that rolled metal may pass back and forth through the rolls several times. This type is used in pluming and slabing mills and for roughing work in plate, rail, structural and other mills. These are more expensive compared to the non 

    Online
  • Amerigear SM Mill Spindles Reversing Multi Stand Roughing Mills

    SM Series spindles are customdesigned and used primarily on rolling mill drives ranging from heavy duty, hot reversing roughers to high speed cold mills. The spindles used on these drives are often limited by the minimum roll size,and they must handle high continuous loads. These spindles must also accommodate high 

    Online
  • performance analysis of hot rolling mill rolls to improve the

    these conditions, the rolls grip the piece of metal and deliver it, reduced in crosssectional area and therefore, increased in length. The initial hotworking operation for most steel products is done on the primary roughing mill. These mills are normally threehigh reversing mills with 450 mm diameter rolls (designated by size).

    Online
Contact Us: E-mail: Sitemap