US3857268A - Rolling mill and rolling method - Google Patents

Rolling mill and rolling method Download PDF

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Publication number
US3857268A
US3857268A US00312784A US31278472A US3857268A US 3857268 A US3857268 A US 3857268A US 00312784 A US00312784 A US 00312784A US 31278472 A US31278472 A US 31278472A US 3857268 A US3857268 A US 3857268A
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Prior art keywords
rolls
roll
working
rolled
rolling mill
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Expired - Lifetime
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US00312784A
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English (en)
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T Kajiwaka
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Hitachi Ltd
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Hitachi Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/14—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls
    • B21B13/142—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories having counter-pressure devices acting on rolls to inhibit deflection of same under load; Back-up rolls by axially shifting the rolls, e.g. rolls with tapered ends or with a curved contour for continuously-variable crown CVC
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
    • B21B31/16—Adjusting or positioning rolls
    • B21B31/18—Adjusting or positioning rolls by moving rolls axially
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/025—Quarto, four-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B13/00—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories
    • B21B13/02—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories with axes of rolls arranged horizontally
    • B21B2013/028—Sixto, six-high stands
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/02—Shape or construction of rolls
    • B21B27/021—Rolls for sheets or strips
    • B21B2027/022—Rolls having tapered ends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2267/00—Roll parameters
    • B21B2267/24—Roll wear
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/02—Roll bending; vertical bending of rolls
    • B21B2269/04—Work roll bending
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/12—Axial shifting the rolls
    • B21B2269/14—Work rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2269/00—Roll bending or shifting
    • B21B2269/12—Axial shifting the rolls
    • B21B2269/16—Intermediate rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
    • B21B35/14—Couplings, driving spindles, or spindle carriers specially adapted for, or specially arranged in, metal-rolling mills
    • B21B35/142—Yielding spindle couplings; Universal joints for spindles
    • B21B35/143—Yielding spindle couplings; Universal joints for spindles having slidably-interengaging teeth, e.g. gear-type couplings

Definitions

  • ABSTRACT [30] Foreign Application Priority Data ln a rolling mill having a pair of working rolls and at Dec. 10, 1971 Japan 46-99450 p of back p rolls, the k g ol re r specti ely shifted axially according to the varying plate width of [52] US. Cl. I. 72/247, 72/245 a strip m i l ing lled to m ke the contact [51] Int.
  • the thickness unevenness of the rolled material in the widthwise direction becomes greater due to wear of the working rolls and after all, quality degradation of the rolled products has been unavoidable in the past, unless the working rolls are changed frequently and the resultant substantial lowering of operation efficiency is tolerated.
  • the working roll is worn out more at the central portion and less at the opposite end portions, because while the wear proceeds constantly at the central portion of the roll, the opposite end portions of the roll are used for rolling at less opportunities.
  • the opposite end portions only of the roll are held in contact with a back up roll, with the central portion thereof being out of contact with the back up roll. Namely, a small gap is formed between the working roll and back up roll at the central portion of said working roll. If rolling is carried out under such condition, the central portion of the working roll will be bent and the resultant rolled product will become high at its central portion or will be a so-called mid-high produce with a poor flatness.
  • the roll bending method is employed in an attempt to overcome such disadvantage. In this method, a force in counterbalance with the working roll bending force is applied to the working roll. However, the counterbalancing force does not act over the entire length of the working roll due to the presence of the unworn opposite ends of the roll which are in contact with the back up roll.
  • the present invention aims to obtain rolled materials with high accuracy in flatness, by rational and effective means.
  • An object of the invention is to make possible rolling with high accuracy of flatness even when the plate width of a material to be rolled changes.
  • Another object of the invention is to carry out rolling with no or a very little bending moment being applied to the working roll, and thereby to eliminate the influence of the bending moment on the rolled material.
  • Still another object of the invention is to control effectively the flatness of the rolled material.
  • a further object of the invention is to make it possible to carry out rolling with high efficiency even when the plate width of a material to be rolled changes, and yet to increase the accuracy in flatness of the rolled material.
  • An additional object of the invention is to the detrimental influence of a deformation due to wear of the working roll on the flatness accuracy of the rolled material.
  • Still further object of the invention is to enhance the roll being effect.
  • the present invention relates to a rolling mill which performs rolling, with the end portions of the working surface of a working roll being located between the end portions of the back-up surface of a back-up roll and the opposite edges of a material being rolled respectively, or in register with said opposite edges of a material being rolled.
  • FIGS. 1 and 2 are illustrative views respectively showing the states during rolling of a four-high rolling mill according to one embodiment of the present invention
  • FIG. 3 is a set of illustrative views respectively showing the relative position of the upper back up roll and upper working roll, shown in FIG. 1, and materials of different widths being rolled;
  • FIGS. 4 and 5 are a detailed front sectional view and a side sectional view respectively of the four-high rolling mill shown in FIG. 1;
  • FIGS. 6 and 7 are detailed views of portions of the embodiment shown in FIG. 5 respectively.
  • FIGS. 8 and 9 are a front sectional view and a side view respectively of another embodiment of the rolling mill of the invention.
  • FIG. I there is shown the state during rolling of a four-high rolling mill according to one embodiment of the invention, in which working rolls 6, 7 are shifted axially in accordance with the varying plate width of a material 10 being rolled, with the contact length of rolls defined by the upper and lower working rolls being substantially equal to the width of the material 10.
  • the working rolls 6, 7 respectively have at one ends thereof reduced diameter portions 32, 34 connected integrally with the main portions of the rolls through frustoconical portions 33, 35.
  • the working rolls are shifted axially to locate the ends 62, 72 of the working surfaces 61, 71
  • FIG. 3 illustrates the relative position of the rolled material having a varying width and the upper back up roll 8 and upper working roll 6 during rolling.
  • FIG. 3(1') shows the state in which the unworn working roll 6 starts rolling the rolled material 10 whose width is largest.
  • the phantom lines in this Figure indicate the diameter of the working roll after said working roll has been worn out as a result of continuous rolling of the material 10 at its width.
  • the end of the rolled material and the end of the working roll are substantially in vertical alignment with each other on the side indicated by the character W, so that an annular step is formed on the surface of the working roll due to i wear only on the side indicated by the character D.
  • the plate width of the rolled material changes successively from the state shown in FIG. 3i to the states shown in FIGS. 3ii, 3iii and 3iv, the working roll is axially shifted accordingly and the stepped portion of the roll is moved out of contact with the back up roll, so that the rolling portion of the working roll is always cylindrical in shape and hence a rolled product having a uniform thickness can be obtained.
  • FIGS. 4 and 5 show the practical construction of the four-high rolling mill of the invention described above.
  • the upper and lower working rolls 6, 7 are respectively supported by metal chocks 16, 17 mounted within a roll housing 15.
  • the upper and lower back up rolls 8, 9 in contact with the working rolls 6, 7 respectively are similarly supported by vertically movable metal chocks 21, 22 mounted within the roll housing 15.
  • the metal chocks 16, 17 are vertically movably received at their opposite ends in left and right blocks 19 provided on the inside surface of the roll housing 15, respectively and have disposed therein hydraulic rams 18,. 18 for bending the working rolls, respectively.
  • the outer ends of the hydraulic rams 18, 18' are in engagement with a projection 20 formed on each block 19.
  • the driven ends of the upper and lower working rolls 6, 7 respec tively have spindles 30, 31 connected thereto through couplings 28, 29. These spindles 30, 31 are respectively connected to a driving device and an axial shifting device which will be described later, to transmit rotational torques to the upper and lower working rolls 6, 7 and to shift said upper and lower working rolls axially in opposite directions to each other according to the varying plate width of the rolled material, therethrough.
  • the other end portions of the upper and lower working rolls 6, 7 are reduced in diameter, and the junction between the reduced diameter end portion and the main portion of each working roll is shaped in a frusto-conical shape or other suitable shape.
  • reference numeral 23 designates depression screws for adjusting the roll clearance, 24 back up roll balancing hydraulic rams, 25 liners interposed between the metal chocks 22 and the roll housing 15, and 26 and 27 upper and lower distance pieces uniting the roll housings 15.
  • the coupling 28 or 29, as exemplifled in FIG. 6, includes an inner coupling member 69 which is shrink-fitted over the spindle 30 or 31 and fastly secured to a flange 63 of said spindle by means of bolts, and an outer coupling member 64 which is fixed to the working roll 6 or 7 by means of pins 65 and a ring 66, said inner and outer coupling members 69, 64 being pivotably engaged with each other, with their threaded portions 60 meshing with each other, and being connected with each other by a connecting pin 61 having a spherical head, a holding plate 62 and a nut 67.
  • the spindles 30, 31 are respectively connected through universal gear couplings 70, 71 to output shafts 76 of a pinion stand 74 and said output shafts 76 are in turn connected to a motor 72 through a coupling 73.
  • the universal gear couplings 70, 71 each includes an inner coupling member 77 which is shrinkfitted over and secured by means of bolts to the spindle 30 or 31 and an outer coupling member 82 which is connected to the aforesaid output shaft 76, as shown in FIG.
  • the universal gear couplings 70, 71 are each connected through a thrust bearing to a roll axial shifting device 95 mounted on a stand base 75 in adjacent relation to the pinion stand 74.
  • the thrust bearing 85 is mounted around the outer coupling member 82 of the universal gear coupling 70 or 71, by a casing 84 and a cover 88, and is held against movement in the axial direction of the roll by a collar 86 and a nut 87.
  • the roll axial shifting device 95 comprises screws 91 rotatably supported by projections 93, 94 of a pair of frames 89 provided on the stand base 75 on both sides of the universal gear coupling 70 or 71, sprockets 92 mounted fixedly on said screws 91 respectively for transmitting the driving force from a motor not shown, to said screws, and nuts 90 fixedly mounted on said screws 91 in engagement with the casing 84.
  • the thickness unevenness in the widthwise direction of the rolled ma terial can be minimized even if the plate width of the rolled material changes, as already explained with reference to FIG. 1, but for achieving the intended purpose more completely, it is preferable to make the effective length of the back up roll also equal to the plate width of the rolled material. In practice, however, it is difficult to shift the back up roll in the axial direction, by reasons of a depressing device, etc.
  • the contact length of rolls defined by the upper and lower workingrolls is made substantially equal to the plate width of the rolled material, by shifting said working rolls in the axial direction according to the varying plate width of said rolled material.
  • the portions of the working rolls substantially in contact with the rolled material are substantially equal to the plate width of the rolled material, and hence no bending moment or a little bending moment, if any, occurs in the working rolls.
  • FIGS. 8 and 9 show another embodiment of the rolling mill according to the invention.
  • the constructions of the upper and lower working roll assembly and the upper and lower back up roll assembly are the same as those shown in FIG. 4, as indicated by the same reference numerals as those in FIG. 4, but intermediate rolls 40, 41 are respectively provided between the upper working roll 6 and upper back up roll 8 and between the lower working roll 7 and lower back up roll 9, as shown in FIG. 8.
  • These intermediate rolls 40, 41 are supported by vertically movable metal chocks 44, 45 respectively which are mounted in cavities 42, 43 formed in the metal chocks 21, 22 supporting the upper and lower back up rolls. Further, as shown in FIG.
  • the intermediate rolls 40, 41 are shiftable in the axial direction by a suitable shifting device, and the right hand end portion 46 of the intennediate roll 40 is progressively reduced in diameter in a frustoconical shape and the left hand end portion 47 of the intermediate roll 41 is also progressively reduced in diameter in a frusto-conical shape.
  • a rolling mill comprising: a pair of upper and lower working rolls each contacting a material being rolled, a pair of back up rolls backing up said working rolls, one of said back up rolls being positioned on said upper working roll and the other of said back up rolls being positioned under said lower working roll, said working rolls and said back up rolls being arranged in a vertical plane, means for shifting said upper working roll in the axial direction to locate one terminal end of the working surface of said upper working roll between the adjacent end of the associated back up roll and the adjacent edge of the material being rolled, and means for shifting said lower working roll in the axial direction to locate the terminal end of the working surface of said lower working roll which is opposite to said termini end of the upper working roll between the adjacent end of the associated back up roll and the adjacent edge of said material being rolled, whereby the flatness of the rolled material is controlled.
  • a rolling mill according to claim I wherein means for applying roll bending forces to the pair of upper and lower working rolls are provided at the ends of and between said upper and lower working rolls.
  • a rolling mill having a pair of upper and lower working rolls respectively supported by metal chocks and back up rolls respectively supported by metal chocks and backing up said working rolls, said rolling mill comprising means for shifting each of said working rolls in the axial direction to locate the terminal end of the working surface of said working roll between the adjacent end of the associated back up roll and the adjacent edge of a material being rolled, and intermediate rolls are provided between the working rolls and the back up rolls respectively, and means are provided for shifting the upper intermediate roll in the same direction as the direction in which to lower working roll is shifted and shifting the lower intermediate roll in the same direction as the direction in which the upper working roll is shifted thereby to control the flatness of the rolled material.
  • a rolling mill having upper and lower working rolls, each contacting a material being rolled, a pair of back up rolls backing up said working rolls, one of said back up rolls being positioned on the upper working roll, and the other being positioned under the lower working roll, said working rolls and back up rolls being arranged in a vertical plane, means for shifting at least one of the upper and lower working rolls in the axial direction according to the varying plate width of the material being rolled to adjust the contact length of the rolls defined by the upper and lower working rolls to substantially equal the plate width of the rolled material and thereby to control the flatness of the rolled material and means for applying roll bending forces to the pair of upper and lower working rolls are provided at the ends of and between said upper and lower working rolls.
  • a rolling mill wherein intermediate rolls are provided between the working rolls and back up rolls respectively 6.
  • a rolling mill having upper and lower working rolls, each contacting a material being rolled, a pair of back up rolls backing up said work rolls, one of said back up rolls being positioned on the upper working roll, and the other being positioned under the lower working roll, said working rolls and back up rolls being arranged in a vertical plane, means for shifting at least one of the upper and lower working rolls in the axial direction according to the varying plate width of the material being rolled to adjust the contact length of the rolls defined by the upper and lower working rolls to substantially equal the plate width of the rolled material and thereby to control the flatness of the rolled material, intermediate rolls provided between the working rolls and back up rolls respectively, and means for shifting the upper intermediate roll in the same direction as the direction in which the lower working roll is shifted and shifting the lower intermediate roll in the same direction as the direction in which the upper working roll is shifted.
  • said roll bending means comprises a cylinder disposed in the metal chock supporting the working roll and a hydraulic ram disposed in said cylinder and being slidable on the surface of a projection formed on a block provided on the inside surface of a roll housing.
  • a rolling mill comprising a pair of upper and lower working rolls each contacting a material being rolled, a pair of back up rolls backing up said working rolls, one of said back up rolls being positioned on the upper working roller,'the other being positioned under the lower working roll, said working rolls and said back up rolls being arranged in a vertical plane, coupling means respectively connected to the driven ends of said upper and lower working rolls, spindles respectively connected to said coupling means, driving means connected to said spindles, and axial shifting means connected to said spindles and adapted to shift the upper and lower working rolls in opposite directions to each other respectively to locate one terminal end of the working surface of said upper working roll between the adjacent end of the associated back up roll and the adjacent edge of the material being rolled and to locate the terminal end of the working surface of said lower working roll which is on the opposite side relative to said terminal end of said upper working roll between the adjacent end of the associated back up roll and the adjacent edge of the material being rolled.
  • a rolling mill according to claim 10 which further comprises cylinders each disposed in each of the metal chocks supporting the working rolls, blocks provided on the inside surface of a roll housing, and hydraulic rams each provided in each of said cylinders and being slidable on the surface of a projection formed on each of said blocks.
  • a rolling mill according to claim 12, wherein said universal coupling includes an outer coupling member disposed on a respective working roller, an inner coupling member disposed on a respective spindle and received in said outer coupling member, and means for pivotally connecting said inner and outer coupling members.
  • said driving means includes a pinion stand having at least a pair of output shafts, and wherein universal coupling means are provided for coupling each of said output shafts with a respective spindle.
  • a rolling mill according to claim 14, wherein said universal coupling includes an outer coupling member disposed on each of said output shafts, an inner coupling member disposed on a respective spindle and received in said outer coupling member, and a means for pivotally connecting said inner and outer coupling members.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
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US00312784A 1971-12-10 1972-12-06 Rolling mill and rolling method Expired - Lifetime US3857268A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46099450A JPS517635B2 (zh) 1971-12-10 1971-12-10

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Cited By (27)

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US3943742A (en) * 1973-08-24 1976-03-16 Hitachi, Ltd. Rolling mill
US4194382A (en) * 1976-11-26 1980-03-25 Hitachi, Ltd. Rolling mill
US4440012A (en) * 1980-10-15 1984-04-03 Sms Schloemann-Siemag Ag Rolling stand with noncylindrical rolls
US4491005A (en) * 1981-06-03 1985-01-01 Hitachi, Ltd. Rolling mill
US4627260A (en) * 1983-07-18 1986-12-09 Sms Sloemann Siegmag Ag Rolling stand with axially shiftable rolls
US4656859A (en) * 1985-08-21 1987-04-14 Wean United, Inc. Rolling mill stand employing variable crown rolls and associated method
US4669296A (en) * 1982-12-06 1987-06-02 Sms Schloemann-Siemag Ag Method of operating a four-high roll stand
EP0239004A2 (en) * 1986-03-20 1987-09-30 Hitachi, Ltd. Working roll shift type rolling mill
EP0256408A2 (de) * 1986-08-14 1988-02-24 Sms Schloemann-Siemag Aktiengesellschaft Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Quartowalzgerüstes
EP0256410A2 (de) * 1986-08-14 1988-02-24 Sms Schloemann-Siemag Aktiengesellschaft Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Quartowalzgerüstes
US4730475A (en) * 1986-05-06 1988-03-15 International Rolling Mills Consultants, Inc. Rolling mill method
EP0276743A1 (en) * 1987-01-24 1988-08-03 Hitachi, Ltd. Rolling method making use of work roll shift rolling mill
US4781051A (en) * 1985-04-16 1988-11-01 Sms Schloemann-Siemag Aktiengesellschaft Rolling mill stand with axially shiftable rolls
US4823585A (en) * 1984-02-29 1989-04-25 Kawasaki Steel Corporation Hot rolling method
US4881396A (en) * 1987-04-09 1989-11-21 Sms Schloemann-Siemag Aktiengesellschaft Rolling mill stand with axially slidable rolls
US4898014A (en) * 1988-12-23 1990-02-06 United Engineering, Inc. Roll shifting system for rolling mills
EP0246293B1 (en) * 1985-11-22 1990-03-21 DAVY McKEE (POOLE) LIMITED Rolling mill
US5239851A (en) * 1989-05-31 1993-08-31 Hitachi, Ltd. Rolling method of multi-high rolling mill for obtaining accurate sheet crown
US5653137A (en) * 1989-05-31 1997-08-05 Hitachi, Ltd. Five-high rolling mill
US6119500A (en) * 1999-05-20 2000-09-19 Danieli Corporation Inverse symmetrical variable crown roll and associated method
EP1228818A2 (en) * 2001-02-05 2002-08-07 Hitachi, Ltd. Rolling method for strip rolling mill and strip rolling equipment
US20040040358A1 (en) * 2001-01-23 2004-03-04 Jurgen Seidel Roll stand for producing plane roll strips having a desired strip profile superelevation
US20050034501A1 (en) * 2001-09-12 2005-02-17 Alois Seilinger Rolling stand for producing rolled strip
WO2007039187A1 (de) 2005-10-03 2007-04-12 Siemens Vai Metals Technologies Gmbh & Co Walzgerüst mit verschiebevorrichtung
US20090314047A1 (en) * 2006-06-14 2009-12-24 Siemens Vai Metals Tech Gmbh Rolling mill stand for the production of rolled strip or sheet metal
US20100064754A1 (en) * 2006-10-30 2010-03-18 Thyssenkrupp Nirosta Gmbh Method for rolling metal strips, particularly steel strips
EP2626149A1 (en) * 2011-03-24 2013-08-14 Nippon Steel & Sumitomo Metal Corporation Rolling mill and rolling method for metal sheet material

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JPS6051921B2 (ja) * 1978-12-08 1985-11-16 川崎製鉄株式会社 形状制御圧延方法
JPS603881B2 (ja) * 1979-01-17 1985-01-31 日本鋼管株式会社 熱間圧延法
JPS5666307A (en) * 1979-10-04 1981-06-04 Hitachi Ltd Rolling mill
JPS56131002A (en) * 1980-03-17 1981-10-14 Hitachi Ltd Changing method for roll crown
JPS6018243B2 (ja) * 1980-07-07 1985-05-09 株式会社日立製作所 圧延ロ−ル
GB2081151B (en) * 1980-08-08 1985-03-20 Sumitomo Metal Ind Tandem mill
US4519233A (en) * 1980-10-15 1985-05-28 Sms Schloemann-Siemag Ag Roll stand with noncylindrical rolls
DE3213496A1 (de) * 1982-04-10 1983-10-20 SMS Schloemann-Siemag AG, 4000 Düsseldorf Walzgeruest mit axial verschiebbaren walzen
JPS57206503A (en) * 1981-06-13 1982-12-17 Mitsubishi Heavy Ind Ltd Preventing method for deviated abrasion of roll cross type rolling mill
JPS60158901A (ja) * 1984-01-31 1985-08-20 Mitsubishi Heavy Ind Ltd 圧延方法
DE3585164D1 (de) * 1984-02-29 1992-02-27 Kawasaki Steel Co Warmwalzverfahren.
JPS6018211A (ja) * 1984-06-21 1985-01-30 Ishikawajima Harima Heavy Ind Co Ltd 圧延機の形状制御装置
JPS61126903A (ja) * 1984-11-24 1986-06-14 Kawasaki Steel Corp 板材の圧延方法および圧延機
JPS62151203A (ja) * 1985-12-25 1987-07-06 Kawasaki Steel Corp 板材の圧延方法
DE3603693A1 (de) * 1986-02-06 1987-08-13 Schloemann Siemag Ag Vorrichtung zum axialen verschieben der arbeitswalzen eines walzgeruestes zum walzen von flachmaterial
EP0235769B1 (de) * 1986-03-03 1993-05-12 Sms Schloemann-Siemag Aktiengesellschaft Walzgerüst
DE3624241C2 (de) * 1986-07-18 1996-07-11 Schloemann Siemag Ag Verfahren zum Betrieb eines Walzwerkes zur Herstellung eines Walzbandes
DE3638331C2 (de) * 1986-11-10 1995-07-13 Schloemann Siemag Ag Walzgerüst zum Walzen von Flachmaterial mit einem Paar von axial verschiebbaren Arbeitswalzen
GB2222376B (en) * 1988-08-29 1993-04-07 Sendzimir Inc T Apparatus and method for cold rolling of metal strip
DE19547438C2 (de) * 1995-12-11 2001-08-16 Sms Demag Ag Sensorträger
DE19547436A1 (de) 1995-12-11 1997-06-12 Mannesmann Ag Walzenkontur-Meßeinrichtung
DE19719318C2 (de) * 1997-05-08 2003-06-12 Sms Demag Ag Verfahren zur Beeinflussung der Bandkontur im Kantenbereich eines Walzenbandes
DE19811633B4 (de) * 1998-03-18 2008-01-31 Sms Demag Ag Walzenanordnung zum Walzen von Bändern
IT1315120B1 (it) * 2000-09-25 2003-02-03 Danieli Off Mecc Dispositivo e metodo per lo spostamento assiale dei cilindri di unagabbia di laminazione.

Citations (4)

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US2279415A (en) * 1940-04-25 1942-04-14 Simons Aaron Method and apparatus for drawing strip
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US3587265A (en) * 1969-01-03 1971-06-28 Alcan Res & Dev Automatic thermal crown control of strip mill rolls
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US2279415A (en) * 1940-04-25 1942-04-14 Simons Aaron Method and apparatus for drawing strip
US3076360A (en) * 1958-08-22 1963-02-05 Sendzimir Tadeusz Clam shell cold rolling mill
US3657913A (en) * 1968-09-30 1972-04-25 United Eng Foundry Co Crown control
US3587265A (en) * 1969-01-03 1971-06-28 Alcan Res & Dev Automatic thermal crown control of strip mill rolls

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US3943742A (en) * 1973-08-24 1976-03-16 Hitachi, Ltd. Rolling mill
US4194382A (en) * 1976-11-26 1980-03-25 Hitachi, Ltd. Rolling mill
US4440012A (en) * 1980-10-15 1984-04-03 Sms Schloemann-Siemag Ag Rolling stand with noncylindrical rolls
US4491005A (en) * 1981-06-03 1985-01-01 Hitachi, Ltd. Rolling mill
US4669296A (en) * 1982-12-06 1987-06-02 Sms Schloemann-Siemag Ag Method of operating a four-high roll stand
US4711116A (en) * 1982-12-06 1987-12-08 Sms Schloemann-Siemag Ag Method of operating a four-high roll stand with bendable and axially shiftable rolls
US4627260A (en) * 1983-07-18 1986-12-09 Sms Sloemann Siegmag Ag Rolling stand with axially shiftable rolls
US4823585A (en) * 1984-02-29 1989-04-25 Kawasaki Steel Corporation Hot rolling method
US4781051A (en) * 1985-04-16 1988-11-01 Sms Schloemann-Siemag Aktiengesellschaft Rolling mill stand with axially shiftable rolls
US4656859A (en) * 1985-08-21 1987-04-14 Wean United, Inc. Rolling mill stand employing variable crown rolls and associated method
EP0246293B1 (en) * 1985-11-22 1990-03-21 DAVY McKEE (POOLE) LIMITED Rolling mill
US4770021A (en) * 1986-03-20 1988-09-13 Hitachi, Ltd. Working roll shift type rolling mill
EP0239004A2 (en) * 1986-03-20 1987-09-30 Hitachi, Ltd. Working roll shift type rolling mill
EP0239004A3 (en) * 1986-03-20 1988-03-23 Hitachi, Ltd. Working roll shift type rolling mill
US4730475A (en) * 1986-05-06 1988-03-15 International Rolling Mills Consultants, Inc. Rolling mill method
EP0256410A2 (de) * 1986-08-14 1988-02-24 Sms Schloemann-Siemag Aktiengesellschaft Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Quartowalzgerüstes
EP0256408A3 (de) * 1986-08-14 1988-06-01 Sms Schloemann-Siemag Aktiengesellschaft Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Quartowalzgerüstes
EP0256410A3 (de) * 1986-08-14 1988-06-01 Sms Schloemann-Siemag Aktiengesellschaft Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Quartowalzgerüstes
EP0256408A2 (de) * 1986-08-14 1988-02-24 Sms Schloemann-Siemag Aktiengesellschaft Biege- und Ausbalanciervorrichtung für axial verschiebbare Arbeitswalzen eines Quartowalzgerüstes
EP0276743A1 (en) * 1987-01-24 1988-08-03 Hitachi, Ltd. Rolling method making use of work roll shift rolling mill
US4881396A (en) * 1987-04-09 1989-11-21 Sms Schloemann-Siemag Aktiengesellschaft Rolling mill stand with axially slidable rolls
US4898014A (en) * 1988-12-23 1990-02-06 United Engineering, Inc. Roll shifting system for rolling mills
US5239851A (en) * 1989-05-31 1993-08-31 Hitachi, Ltd. Rolling method of multi-high rolling mill for obtaining accurate sheet crown
US5653137A (en) * 1989-05-31 1997-08-05 Hitachi, Ltd. Five-high rolling mill
US6119500A (en) * 1999-05-20 2000-09-19 Danieli Corporation Inverse symmetrical variable crown roll and associated method
US7251978B2 (en) * 2001-01-23 2007-08-07 Sms Demag Ag Roll stand for producing plane roll strips having a desired strip profile superelevation
US20040040358A1 (en) * 2001-01-23 2004-03-04 Jurgen Seidel Roll stand for producing plane roll strips having a desired strip profile superelevation
EP1228818A2 (en) * 2001-02-05 2002-08-07 Hitachi, Ltd. Rolling method for strip rolling mill and strip rolling equipment
US20040206147A1 (en) * 2001-02-05 2004-10-21 Hitachi, Ltd. Rolling method for strip rolling mill and strip rolling equipment
US6868707B2 (en) * 2001-02-05 2005-03-22 Hitachi, Ltd. Rolling method for strip rolling mill and strip rolling equipment
EP1228818A3 (en) * 2001-02-05 2005-08-03 Hitachi, Ltd. Rolling method for strip rolling mill and strip rolling equipment
US7004002B2 (en) * 2001-02-05 2006-02-28 Hitachi, Ltd. Rolling method for strip rolling mill and strip rolling equipment
US20050034501A1 (en) * 2001-09-12 2005-02-17 Alois Seilinger Rolling stand for producing rolled strip
US7316146B2 (en) * 2001-09-12 2008-01-08 Voest-Alpine Industrieanlagenbau Gmbh & Co. Rolling stand for producing rolled strip
CN101277771B (zh) * 2005-10-03 2012-10-10 西门子Vai金属技术有限责任公司 具有移动装置的轧机机座
US20080264134A1 (en) * 2005-10-03 2008-10-30 Rudolf Langeder Roll Stand Provided with a Displacement Device
WO2007039187A1 (de) 2005-10-03 2007-04-12 Siemens Vai Metals Technologies Gmbh & Co Walzgerüst mit verschiebevorrichtung
US8701456B2 (en) 2005-10-03 2014-04-22 Siemens Vai Metals Technologies Gmbh Roll stand provided with a displacement device
US20090314047A1 (en) * 2006-06-14 2009-12-24 Siemens Vai Metals Tech Gmbh Rolling mill stand for the production of rolled strip or sheet metal
US8413476B2 (en) * 2006-06-14 2013-04-09 Siemens Vai Metals Technologies Gmbh Rolling mill stand for the production of rolled strip or sheet metal
US20100031724A1 (en) * 2006-06-14 2010-02-11 Siemens Vai Metals Tech Gmbh Rolling mill stand for the production of rolled strip or sheet metal
US8881569B2 (en) 2006-06-14 2014-11-11 Siemens Vai Metals Technologies Gmbh Rolling mill stand for the production of rolled strip or sheet metal
US20100064754A1 (en) * 2006-10-30 2010-03-18 Thyssenkrupp Nirosta Gmbh Method for rolling metal strips, particularly steel strips
US8627702B2 (en) * 2006-10-30 2014-01-14 Outokumu Nirosta GmbH Method for rolling metal strips, particularly steel strips
EP2626149A1 (en) * 2011-03-24 2013-08-14 Nippon Steel & Sumitomo Metal Corporation Rolling mill and rolling method for metal sheet material
EP2626149A4 (en) * 2011-03-24 2014-03-05 Nippon Steel & Sumitomo Metal Corp ROLLING MILL AND ROLLING METHOD FOR METALLIC FOIL MATERIAL

Also Published As

Publication number Publication date
DE2260256B2 (de) 1978-12-14
JPS4865153A (zh) 1973-09-08
JPS517635B2 (zh) 1976-03-09
DE2260256C3 (de) 1979-08-30
DE2260256A1 (de) 1973-06-20

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