EP0182835A1 - Procede et dispositif pour laminer une bande de metal - Google Patents

Procede et dispositif pour laminer une bande de metal

Info

Publication number
EP0182835A1
EP0182835A1 EP85902533A EP85902533A EP0182835A1 EP 0182835 A1 EP0182835 A1 EP 0182835A1 EP 85902533 A EP85902533 A EP 85902533A EP 85902533 A EP85902533 A EP 85902533A EP 0182835 A1 EP0182835 A1 EP 0182835A1
Authority
EP
European Patent Office
Prior art keywords
work rolls
central shaft
metal strip
rolling
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP85902533A
Other languages
German (de)
English (en)
Inventor
Josef Wochnik
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SMS Siemag AG
Original Assignee
SMS Schloemann Siemag AG
Schloemann Siemag AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SMS Schloemann Siemag AG, Schloemann Siemag AG filed Critical SMS Schloemann Siemag AG
Publication of EP0182835A1 publication Critical patent/EP0182835A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • 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
    • B21B13/18—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for step-by-step or planetary rolling; pendulum mills
    • B21B13/20—Metal-rolling stands, i.e. an assembly composed of a stand frame, rolls, and accessories for step-by-step or planetary rolling; pendulum mills for planetary rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
    • B21B1/22—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling plates, strips, bands or sheets of indefinite length

Definitions

  • the invention relates to a method for rolling metal strip by means of a plurality of work rolls guided in a planetary manner.
  • the invention also relates to a device for carrying out the method.
  • the object of the invention is to provide an economical method for the continuous transverse rolling of metal strips, the forces and stresses occurring being lower than in the known method, the strip profile being equalized and being adjustable from concave to convex during the rolling process in a simple and precise manner is.
  • the metal strip corresponds to the circular path of the work rolls bulges and is conveyed with at least one movement component in the direction of the circular path axis and the rolling paths run in a thread-like manner on the curved metal belt.
  • the dimensional deviations generated by the hot rolling process can be influenced over the strip width. It has been proven that due to a lack of cross flow in conventional longitudinal cold rolling, no profile improvement is possible if the strip must be flat at the same time.
  • the new cross-rolling process enables considerably more cross-flow than longitudinal flow, which means a substantial reduction in the effort required to achieve good strip flatness in the subsequent longitudinal rolling.
  • the new cross rolling process can be used to level hot strip, split hot strip, cold strip, zinc, aluminum and other non-ferrous metal strips.
  • the process is also suitable for leveling cast strips, where thin spots in the strip profile make conventional longitudinal rolling difficult or impossible.
  • the new transverse rolling process is also suitable for reducing the above-mentioned strips, whereby the metallurgical and electrical properties can be influenced positively.
  • continuously cast strips can be reduced to the extent required for the subsequent longitudinal rolling, the casting structure being converted.
  • the metal strip can be curved in the transverse direction for rolling and can be conveyed in the longitudinal direction perpendicular to the circular path of the work rolls.
  • the diagonally curved metal strip can, however, also be threaded in a thread-like manner between the circular paths of work rolls rotating concentrically in pairs.
  • a central shaft provided with a drive is mounted coaxially with a metal band bow guide, on which several work rolls are pivotally mounted in the sense of a uniform pitch angle.
  • the work rolls can be mounted on slide shoes which are supported with an inclined bottom surface on surfaces which are inclined in the longitudinal direction of the axially displaceable central shaft and can be adjusted radially to the latter.
  • Each work roll mounted on the central shaft can be assigned an outer work roll, which is mounted within a revolving ring driven in synchronism with the central shaft.
  • the outer work rolls can be mounted so that they can be adjusted in the radial direction in the rotating ring.
  • the work rolls mounted on the central shaft can be driven by hydraulic motors connected in series and adjustable according to pressure and flow rate.
  • the work rolls mounted in the revolving ring can be jointly driven together by planetary gears by means of a toothed wheel which is freely rotatably mounted on the revolving ring and driven by a pinion on the outside via screw teeth.
  • the work rolls can be disc-shaped and overlapped on the central shaft.
  • a reel can be arranged upstream and downstream of the work rolls, with a respective crown and contour counter-rollers being arranged between a reel and work rolls, from an adjustable bending roll with the enveloping circle of the inner work rolls.
  • a sleeve can be rotatably mounted as a metal band guide on both sides of the work rolls, on the circumference of which are distributed and aligned in the circumferential direction, guide rollers whose enveloping circles correspond approximately to the enveloping circle of the work rolls mounted on the central shaft and at least one reel is arranged at an acute angle to each sleeve .
  • the work rolls can be without drive.
  • the sleeves provided with rotary drive can be mounted on the central shaft on both sides of the work rolls.
  • a journal of the central shaft can be connected to an output shaft of a branching transmission, the other output shaft of which is connected via a connecting shaft to a drive pinion which meshes with a toothing of the revolving ring.
  • each coil can be assigned opposite or star-shaped to each sleeve.
  • the device is operated in such a way that the tape running sleeve is speed-controlled as a function of the central shaft and rotating ring and the tape drainage sleeve and the reel are tension-controlled.
  • the work rolls mounted on the central shaft are assigned a belt support roll mounted transversely to the central shaft and provided with several freely rotatable bale sections, the concave bale contour of which can be adjusted concentrically to the orbit of the work rolls.
  • the metal strip can advantageously be guided with deflection over the strip support roller, the work rollers having a concave bale contour.
  • the work rolls mounted on the central shaft can, however, also be assigned a plurality of belt support rolls arranged in a fixed manner transversely to the central shaft on a concentric arc.
  • FIG. 2 shows a cross section of the metal strip transverse rolling mill according to FIG. 1,
  • FIG. 3 shows a longitudinal section of a metal strip transverse rolling mill with driven outer work rolls
  • 4 is a schematic diagram of the cross rolling process, 5 and 6 a staggered arrangement of disc-shaped work ' roll,
  • FIG. 11 is a plan view of the tape guide device according to FIG. 10,
  • FIG. 13 shows a longitudinal section of the metal strip rolling mill according to FIG. 12
  • FIG. 14 shows a variant of the metal strip rolling mill according to FIG. 13.
  • a central shaft 4 is supported in side cheeks 1, 2 of a frame 3 as follows.
  • Caps 7, 8 are mounted on pins 5, 6 of the central shaft 4 by means of feather keys 9, 10 in a rotationally fixed but axially displaceable manner.
  • the caps 7, 8 are mounted in chocks 11, 12 on the frame cheeks 1, 2.
  • the central shaft 4 has between the frame cheeks 1, 2 a tapered central part 13 with eight correspondingly inclined guide grooves 1 on, in which sliding shoes 15 are held by clamps 16, on each sliding shoe 15 a work roll 17 is mounted.
  • a displacement cylinder 18 is fastened, the piston rod 19 of which is connected to the pin 5 of the central shaft 4 and penetrates the cap 7.
  • the central shaft 4 is axially displaced within the caps 7, 8, as a result of which the radial distance of the work rolls 17 from the center shaft center can be changed uniformly.
  • Each of the work rolls 17 is driven by a hydraulic motor 20.
  • a double rotary feedthrough 21 arranged on the end of the displacement cylinder 18 enables separate supply of pressure medium to the displacement cylinder 18 and the hydraulic motors 20 connected in series and regulated according to pressure and flow rate.
  • the central shaft 4 is driven by its cap 8 connected to a gear shaft 22.
  • the work rolls 17 mounted on the central shaft 4 are each assigned an outer work roll 23 in pairs.
  • the work rolls 23 are mounted in a revolving ring 24, which is mounted concentrically to the central shaft 4 by means of roller bearings 25 in a housing 26.
  • the housing 26 For horizontal adjustment relative to the central shaft 4, the housing 26 is mounted on one side by means of bolts 27 on a bracket 28 mounted on a horizontal frame surface, which can be displaced by an eccentric drive 29. On the other hand, the housing 26 is supported for vertical adjustment by means of an adjusting wedge 30 on a horizontal frame surface. When the adjusting wedge 30 is displaced by a cylinder 31, the housing 26 is raised or lowered.
  • An 'cheek of the stator 2 a split transmission is arranged ange ⁇ 32 whose input shaft is driven by a main motor 33 ange ⁇ 34th
  • a lower output shaft 22 of the branching gear 32 is connected to the cap 8 of the central shaft 4 in a rotationally fixed manner.
  • An upper output shaft 35 of the branching gear 32 is preceded by a superposition gear 37 driven by a motor 36.
  • the upper output shaft 3 drives, via an intermediate shaft 38, a pinion 39 mounted on the housing 26, which meshes in an external toothing 40 of the rotating ring 24.
  • the outer work rolls 23 are also driven.
  • a motor 41 is arranged on a bracket 42, which drives a pinion 44 mounted in the housing 26 via an intermediate shaft 43.
  • the pinion 44 drives a gear 45 mounted on the revolving ring 24.
  • the inside of the gear 45 is connected to the shafts 47 of the outer work rolls 23 by means of helical teeth 46.
  • each rotating work roll 17 or 23a which is guided on a circular path on the central shaft 4 or on the rotating ring 24, h in an o- corresponding to the pitch angle.
  • in the axial direction of the enveloping cylinder 48 describes a thread-like path a-h. It is clear from this that a curved metal strip 49 covering a part of the enveloping cylinder 48 can be continuously rolled without gaps.
  • FIGS. 5 and 6 how a larger number of disk-like inner workings can be beitswalzen 50 with the same number of outer work rolls 51 can be arranged in a circle. This arrangement ensures a particularly smooth running of the rolling mill.
  • FIGS. 7 and 8 show an embodiment in which particularly thin work rolls 52 are supported on driven support rollers 53, 54 which intermesh like a comb.
  • driven support rollers 53, 54 which intermesh like a comb.
  • 1 reels 55, 56 are arranged on both sides of a rolling mill. Between the rolling mill 1 and each reel 55, 56 there is an adjustable bending roller 57 and 58 with contour counter rollers 59, 60, of which the metal strip 49 is curved in accordance with the orbits of the work rolls 17.
  • the work rolls 17 are on a long, at a greater distance from the work rolls
  • a tape run-up sleeve 69 and a tape discharge sleeve 68 are rotatably arranged by means of roller bearings 70, each of which is driven by a motor 71, 72 via a gear 73, 74.
  • the sleeves 68, 69 have in their jacket aligned in the circumferential direction guide rollers 75, the enveloping circle approximately the enveloping circle of the Work rolls 17 corresponds.
  • Two reels 81, 82 are assigned to the tape take-up sleeve 69, from which two metal tapes 78, 79 run off and are intertwined and wound onto the take-up sleeve 69.
  • the metal strips 78, 79 are rolled in an intertwined manner in the rolling mill 80 and, on the outlet bushing 68, unraveled and passed to reels 76, 77 arranged opposite one another.
  • the tape take-up sleeve is speed-controlled as a function of the rotation of the central shaft 63 / while the tape take-off sleeve 68 and the reels 76, 77 and 81, 82 are tension-controlled.
  • With a star-shaped arrangement of three or more reels three or more narrow metal strips can be braided and wound onto the sleeve 69 and rolled.
  • the exemplary embodiment according to FIGS. 12 and 13 has no outer work rolls 23.
  • the inner work rolls 17 are assigned a concave belt support roll 84 - 88 mounted transversely to the central shaft 1.
  • the concave bale is freely rotatably supported by a central bale part 84 and on its pin 85, 86.
  • Rolling disks 87, 88 are formed.
  • the belt support roller 84 - 88 is arranged by means of roller bearings 89 on a bearing carrier 90 which is mounted on one side by means of bolts 91 on a bracket 92 which is displaceable on a horizontal surface of the frame 93 by an eccentric drive 94.
  • the other side of the bearing bracket 90 is supported on a horizontal frame surface by an adjusting wedge 95.
  • the bearing bracket 90 When the adjusting wedge 95 is moved by a pressure medium cylinder 96, the bearing bracket 90 is raised and the belt support roller 84-88 is adjusted vertically. In this way, the concave roller 84-88 can be adjusted to the orbit of the working rollers 17 in order to achieve the desired rolling stock profile.
  • the belt support roller 84-88 is supported on its central bale part 84 by an adjustable support roller 97 to prevent it from bending.
  • the curved metal band 98 is bent, i.e. guided with a loop over the belt support roller 84-88. In cooperation with concave-ground work rolls 17a, a particularly flat strip surface is achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metal Rolling (AREA)

Abstract

Dans le procédé, plusieurs cylindres (17) disposés de façon planétaire sont utilisés pour laminer une bande de métal. Pour obtenir un procédé économique de laminage transversal continu, en particulier d'égalisation d'une bande métallique (49), celle-ci est arquée de façon correspondant à la trajectoire cylindrique des cylindres (17) et déplacée avec au moins une composante du mouvement en direction de l'axe de la trajectoire cylindrique, afin que les chemins de laminage sur la bande de métal arquée (49) se développent hélicoïdalement.
EP85902533A 1984-05-26 1985-05-22 Procede et dispositif pour laminer une bande de metal Withdrawn EP0182835A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3419766 1984-05-26
DE19843419766 DE3419766A1 (de) 1984-05-26 1984-05-26 Verfahren und vorrichtung zum walzen von metallband

Publications (1)

Publication Number Publication Date
EP0182835A1 true EP0182835A1 (fr) 1986-06-04

Family

ID=6236977

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85902533A Withdrawn EP0182835A1 (fr) 1984-05-26 1985-05-22 Procede et dispositif pour laminer une bande de metal

Country Status (4)

Country Link
US (1) US4736607A (fr)
EP (1) EP0182835A1 (fr)
DE (1) DE3419766A1 (fr)
WO (1) WO1985005577A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4857412A (en) * 1986-01-16 1989-08-15 Paul Fleury Method for forming a planar sheet or plate to a curved shape
TW206929B (fr) * 1992-03-16 1993-06-01 Yoshida Keiichiro
CN1066984C (zh) * 1997-11-01 2001-06-13 太原重型机械学院 金属型材连续成型机
US6103027A (en) * 1997-11-12 2000-08-15 Kaiser Aerospace & Electronics Corp. Method of making seam free welded pipe
US6935152B2 (en) 2002-04-16 2005-08-30 Victaulic Company Of America Orbiting roller groover for pipe
AU2003903206A0 (en) * 2003-06-23 2003-07-10 Anthony Kastropil Apparatus for reducing the diameter of round pipe and tubing
US6993949B2 (en) * 2004-02-12 2006-02-07 Victaulic Company Power or manually operated pipe grooving tool

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE276509C (fr) *
US324117A (en) * 1885-08-11 Tubes
FR795643A (fr) * 1934-08-14 1936-03-18 Procédé et appareil pour le laminage en largeur de bandes de métal
US2429052A (en) * 1944-09-29 1947-10-14 Jr Arthur L Forbes Pipe end shaper
US2595910A (en) * 1945-11-19 1952-05-06 United States Steel Corp Rolling mill
LU31638A1 (fr) * 1951-10-27
US3392566A (en) * 1961-07-03 1968-07-16 Lodge & Shipley Co Metal rolling
FR1411391A (fr) * 1963-10-03 1965-09-17 Lodge & Shipley Co Procédé de façonnage notamment pour élargir des bandes métalliques et installation pour réaliser le procédé
US3222905A (en) * 1963-12-13 1965-12-14 N T W Missile Engineering Inc Method of forming tubular metal products by extrusive rolling
US3274814A (en) * 1964-05-25 1966-09-27 Titanium Metals Corp Rolling mill
US3348401A (en) * 1964-08-14 1967-10-24 Lodge & Shipley Co Methods and equipment for the widening of stock
GB1188374A (en) * 1966-05-05 1970-04-15 Rotary Profile Anstalt Improvements in or relating to apparatus for Manufacturing Tubular Articles
DE2145081A1 (de) * 1970-09-22 1972-03-30 Wsesojusnij nautschno-issledowatel sky i projektni) mstitut technologu chimitscheskogo i neftyanogo apparatostrojenija, Wolgograd (Sowjetunion) Verfahren und Einrichtung zur sphärischen Verformung von Platinen
DE2924461C2 (de) * 1979-06-18 1982-03-04 Bertrams Ag, 5900 Siegen Vorrichtung zur Herstellung von Rohrkrümmern

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO8505577A1 *

Also Published As

Publication number Publication date
US4736607A (en) 1988-04-12
DE3419766A1 (de) 1985-11-28
WO1985005577A1 (fr) 1985-12-19

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Inventor name: WOCHNIK, JOSEF