EP1142652B1 - Laminoirs pour feuillards à froid, notamment feuillards fins et feuilles minces, avec un dispositif pour refroidir et/ou lubrifier des cylindres de laminoirs - Google Patents

Laminoirs pour feuillards à froid, notamment feuillards fins et feuilles minces, avec un dispositif pour refroidir et/ou lubrifier des cylindres de laminoirs Download PDF

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Publication number
EP1142652B1
EP1142652B1 EP01107352A EP01107352A EP1142652B1 EP 1142652 B1 EP1142652 B1 EP 1142652B1 EP 01107352 A EP01107352 A EP 01107352A EP 01107352 A EP01107352 A EP 01107352A EP 1142652 B1 EP1142652 B1 EP 1142652B1
Authority
EP
European Patent Office
Prior art keywords
nozzle
roll
strip
beams
rolling mill
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.)
Expired - Lifetime
Application number
EP01107352A
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German (de)
English (en)
Other versions
EP1142652A2 (fr
EP1142652A3 (fr
Inventor
Axel Barten Dipl.-Ing. Eth
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.)
Achenbach Buschhetten GmbH and Co KG
Original Assignee
Achenbach Buschhetten GmbH and Co KG
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 Achenbach Buschhetten GmbH and Co KG filed Critical Achenbach Buschhetten GmbH and Co KG
Publication of EP1142652A2 publication Critical patent/EP1142652A2/fr
Publication of EP1142652A3 publication Critical patent/EP1142652A3/fr
Application granted granted Critical
Publication of EP1142652B1 publication Critical patent/EP1142652B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0203—Cooling
    • B21B45/0209—Cooling devices, e.g. using gaseous coolants
    • B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
    • B21B45/0233—Spray nozzles, Nozzle headers; Spray systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B2015/0064—Uncoiling the rolled product
    • 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
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B21B2027/103—Lubricating, cooling or heating rolls externally cooling externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements

Definitions

  • the invention relates to a cold strip rolling mill, in particular Fine strip and foil rolling mill, with a Walzenkühl- and / or Lubricating device associated with the individual rollers, to the Side plates of the roll stand of one or more Roll stand mounted nozzle beam, in the across the width of the Roller spray nozzles are fitted with control valves and the by means of a linear drive in the direction of its longitudinal axis independently of one another transversely to the running direction of the rolled strip in to the band level parallel planes are adjustable, for regulation the tape tension over the bandwidth by changing the effective roll bale diameter and / or an influence the roll lubrication with a pressure and / or quantity and / or temperature-controlled supply of rolling oil or emulsions.
  • the flatness control of the rolled strip at a Cold strip mill which with a from DE 34 19 261 C3 known Walzenkühl- and / or lubricating device of equipped type is based on a change the spray pattern of the on the surface of the work rolls sprayed on rolling oil or sprayed emulsions.
  • the Change of spray pattern is caused by an adjustment of each Work roll of the mill associated nozzle beam relative to Work roll independent of the other nozzle beam across the Tape running direction in a plane parallel to the belt plane and a pressure and / or quantity and / or temperature-controlled Supply of rolling oil or emulsions causes.
  • Fine and foil tape, on a with the well-known Flatness control equipped Quarto or Sexto rolling mill is rolled, characterized by a high quality in terms of dimensional and form accuracy as well as flatness.
  • a disadvantage of the roller cooling and / or lubricating device for a cold strip mill of the generic type is the insufficient accessibility of the nozzle bars with the spray nozzles and the associated control valves, so that repair and Maintenance work on the nozzle beam cumbersome and time consuming.
  • the invention is based on the object, the regulation of Strip flatness in the generic cold strip rolling mills with To optimize roll cooling and / or lubricating devices in order to undesired band tension deviations zone by zone in ruled out rolled strip, and the accessibility of the in the Nozzle bar of the roller cooling and / or lubricating device built - in spray nozzles and their associated control valves in With a view to simplification and acceleration of necessary repair and maintenance work.
  • the cold strip rolling mill according to the invention is characterized following advantages:
  • the spray angle of the spray nozzles of the nozzle beam with respect on the rollers, by pivoting the nozzle bars around the Balkenlssensachse is adjustable, provides another manipulated variable in addition to the adjustability of the nozzle bars relative to the each associated roller transverse to the direction of tape travel and the Change in the amount, pressure and temperature of the on the Rolling sprayed on rolling oil or the sprayed emulsions to change the spray pattern on the roller surface in the frame a band flatness control.
  • the spray angle of Spray nozzles as an additional control variable allows one Optimization of the band flatness control.
  • the rotary valve which at the spray nozzles of the roller cooling and / or lubricating device is needed with the Actuator, because of the small mass of the slide only one low force must apply, very little space, so that the Installation space of each individual required over the bandwidth Spray nozzle compared to known Walzenkühl- and / or Lubrication devices is much smaller and the Spray zone width of the spray nozzles reduced accordingly and thereby the accuracy of the band flatness control essential can be improved.
  • the quarto mill 1 of Fig. 1 is not by two represented roll stand formed in which in not chocks shown a lower and an upper Work roll 2, 3 and a lower and an upper support roller 4, 5 are rotatably mounted.
  • Roll cooling and / or lubricating device for the work rolls 2, 3 and the support rollers 4, 5 each consist of a nozzle bar 7, 8 for the work rolls 2, 3 and a respective nozzle bar 9, 10 for the back-up rolls 4, 5.
  • nozzle bars 7-10 are across the width of the rollers Spray nozzles 11 with upstream, as solenoid valves trained control valves 12 for applying cooling oil and / or emulsions incorporated on the rollers 2-5.
  • the the Back-up rolls 4, 5 associated nozzle bars 9, 10 are stationary, while the work rolls 2, 3 associated nozzle bars 7, 8 in the direction of arrow b, c in the direction of its longitudinal axis 13-13 across Moved to the tape travel direction a over the bandwidth and order their longitudinal axis 13-13 are pivotable.
  • the respective supply of rolling oil and / or emulsions too the adjustable nozzle bars 7, 8 and the stationary Nozzle bar 9, 10 is pressure and / or quantity and / or temperature-controlled.
  • the flatness measuring roll not shown in FIG Belt outlet behind the set of rollers measured values of Bandzugêtsver whatsoever over the bandwidth of the rolled strip. 6 are processed in a computer and used to control the Cooling and / or lubrication of the work rolls 2, 3 means the movable and pivotable nozzle bar 7, 8 used.
  • 3rd associated two nozzle bars 7, 8 are adapters 17 to rotatable and movable storage of the nozzle bar around and in Direction of the beam longitudinal axis 13-13 on two hollow bearing journals 18, 19 mounted in the side plates 20, 21 at the two Roller stands, not shown, of the four-high rolling mill 1 are installed, wherein the supply of the coolant or the emulsions to those in the nozzle bars 7, 8 built-in spray nozzles 11 and the associated control valves 12th through a supply line 22 in a side plate 20, the cavity 23 of the built-in the side plate 20 bearing pin 18, the Interior 24 of the seated on the journal 18 adapter 17th and the distribution channel 25 of the nozzle bars 7, 8 takes place.
  • the supply of the coolant to the nozzle bars 7, 8 can also by a respective supply line 22 in both side plates 20, 21, the built-in hollow journals 18, 19, the on this seated adapter 17 and the distribution channel 25 of the Nozzle bars take place.
  • nozzle bars 7, 8 On the two bearing pins 18, 19 of the nozzle bars 7, 8 are hydraulic actuating cylinder 26, 27 with the adapters 17th engaging actuating piston 28 for displacing the nozzle bars 7, 8 in the direction of arrow b, c transversely to the direction a of the rolled strip. 6 arranged.
  • the connecting cable for the control valves 12 of the spray nozzles 11th the nozzle bars 7, 8 are in several flexible protective tubes 30 merged, the length of the connecting cable of the Control valves is dimensioned such that a pivoting of the Nozzle bar 7, 8 about the beam longitudinal axis 13-13 is possible.
  • the nozzle bars 7, 8 For repair and maintenance work on the spray nozzles 11 the nozzle bars 7, 8 from the operating position shown in FIG. 3 pivoted by 180 ° in the maintenance position shown in FIG be in which the work rolls 2, 3 facing away spray nozzles 11 are freely accessible. Maintenance and repair work on the Control valves 12 of the nozzle bars 7, 8 are useful in the Operating position of the nozzle beam of FIG. 3 performed.
  • the rolled strip 6 is withdrawn from a uncoiler 31 and via a tape insertion unit 32, which consists of a first Air cushion conveyor 33, a separating knife 34, a second Air cushion conveyor 35 and a roller unit with two in Tape running direction a spaced apart Pulleys 36, 37 and one between them, with a third air cushion conveyor 38 combined tensioner 39, promoted in the nip 14.
  • the Bandeinzhouech 32 is on a machine frame 40th arranged in the direction of tape a forward and opposite to the Tape running direction in the direction of arrow d can be moved back.
  • At the four-high stand 1 is a positioning device 41st for moving two nozzle bars 7, 8 for the lower and the upper work roll 2, 3 and another nozzle bar 10 for the upper support roller 5 from the remote maintenance position 7a, 8a, 10a in the operating position 7b, 8b, 10b to the rollers 2, 3, 5 arranged.
  • the positioning device 41 consists of two Bandeinvier purpose at the two roll stands 42 of the Quarto roll stand 1 arranged, in the vertical direction e, f movable lifting beam 43 and two on these in horizontal Direction g, h movable carriage 44 with cranked Supporting arms 45, at the lower ends 46, the two nozzle bars 7, 8 for the two work rolls 2, 3 and at the top Sections 47 of the nozzle bar 10 and a scraper 48 for the upper support roller 5 are attached.
  • baffles 49, 50 for threading the rolled strip 6 in the roll gap 14 attached.
  • the nozzle bar 9 for the lower support roller 4 is at the in Arrow direction a, d movable machine frame 40 of Bandein Industries Ltd.
  • a Quarto roll stand 1 associated nozzle bars 7-10 are the Control valves 12 of the spray nozzles 11 by solenoid valves 51st pneumatically piloted.
  • pneumatically piloted control valves 12 for the spray nozzles 11 can also be used as solenoid valves trained control valves are used.
  • the nozzle bars 7-10 are via distribution lines 52-54 and a main supply line 55 for the coolant with a Control valve 56 for pressure and flow control of the coolant a feed pump, not shown, the coolant circulating system connected.
  • a Walzenkühl- and Lubricating device arranged spray nozzles 11 according to FIGS. 8th and 9 are incorporated as compact units in nozzle sticks 60, in corresponding openings 61, 62 in which a roller facing front wall portion 59a and the rear Wall portion 59b of the nozzle beam 59 from the back are used from the same ago, against the nozzle bar 59th are sealed and enforce the interior 63 of the same.
  • the spray nozzles 11 are equipped with a nozzle head 64, in a threaded bore 65 in which a roller facing front end 66 of the nozzle block 60 is screwed and a Nozzle opening 67 and an antechamber 68 has.
  • the spray nozzles 11 with a rotary valve 69th equipped in a centric through hole 70 of the Nozzle stocks 60 about the longitudinal axis 71 - 71 of the spray nozzle eleventh is rotatably mounted in the bore 70 of the nozzle block 60th is sealed and one to the nozzle head 64 open Blind bore 72 and two diametrically opposite Has inlet openings 73 in the area of the blind bore 72, 73 in the open position 11 "of the spray nozzle 11 according to FIG. 9 two corresponding, to the interior 63 of the nozzle bar 59 out cover open inlet openings 74 in the nozzle 60 and in the closed position 11 'of the spray nozzle shown in Figure 8 11 are closed by the wall 75 of the nozzle block 60.
  • the nozzle 60 of the spray nozzle 11 is integral with one with this formed flange 76 on the outside of the rear wall portion 59b of the nozzle bar 59 around the Longitudinal axis 71-71 of the spray nozzle 11 limited rotatably mounted.
  • An actuator 77 for actuating the rotary valve 69 of Spray nozzle 11 is on the mounting flange 76 of the nozzle block 60 dismissed.
  • actuator 77 may be an electrical Rotary magnet, a hydraulic cylinder or a pneumatic cylinder be used.
  • Stepper motor for actuating the rotary valve 69 and the simultaneous flow control of the coolant and lubricant use.
  • a spray nozzle 79 with rotary valve 69 is the extended Nozzle head 64 on the front end 66 of the nozzle block 60th screwed.
  • the nozzle head 64 are two diametrically opposite inlet openings 74 arranged with two Inlet openings 73 in the area of the antechamber 68 of the Nozzle head 64 towards open blind bore 72 of the rotary valve 69th cooperate, in the antechamber 68 of the nozzle head 64th is stored centrally.

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

Claims (4)

  1. Laminoir pour feuillard à froid, notamment pour feuillard fin et pour feuille mince, comprenant un dispositif de refroidissement et/ou de lubrification des cylindres ayant des rampes (7, 8) de buse qui sont associées aux divers cylindres (2, 3) qui sont montées sur les flasques (20, 21) latéraux des montants de cylindres d'une ou plusieurs cages de laminoir, dans lesquelles sont montées, sur la largeur des cylindres (2, 3), des buses (11) de projection ayant des vannes (12) de commande et qui peuvent être déplacées au moyen d'un entraínement linéaire dans la direction de leur axe (13-13) longitudinal indépendamment les unes des autres transversalement à la direction (a) de passage du feuillard (6) laminé dans des plans parallèles au plan du feuillard pour la régulation de l'effort de traction du feuillard, sur la largeur du feuillard par une modification du diamètre efficace de bombement du cylindre et/ou par une influence de la lubrification du cylindre par un apport réglé en pression et/ou en quantité et/ou en température d'huile de laminage ou d'émulsions, caractérisé par des dispositions suivantes :
    a) les rampes (7, 8) de buse peuvent, outre la possibilité d'être déplacées transversalement à la direction de passage du feuillard (a), être basculées autour de l'axe (13-13) longitudinal au moyen d'un dispositif (29) d'entraínement en rotation.
    b) sur la cage (1) de laminoir ou sur les cages de laminoir sont disposés des dispositifs (41) de positionnement pour le déplacement des rampes (7, 8, 10) de buse d'une position (7a, 8a, 10a) d'entretien éloignée des cylindres à la position (7b, 8b, 10b) de fonctionnement sur les cylindres (2, 3, 5) et de la position (7b, 8b, 10b) de fonctionnement à la position (7a, 8a, 10a) d'entretien.
    c) l'ouverture ou la fermeture des vannes (12) de commande des buses (11) de projection s'effectue en une durée de, par exemple, une seconde et dans une succession définie avec un intervalle de temps d'environ vingt-cinq millisecondes, la succession de commutations et l'intervalle de temps étant commandés par un ordinateur (58).
    d) les buses (11, 79) de projection, montées équidistantes dans les rampes (59) de buse, ont un porte-vent (60) qui est inséré dans des ouvertures (61, 62) correspondantes de la partie (59a) avant de paroi tournée vers un cylindre, ainsi que dans la partie (59b) arrière de paroi d'une rampe (59) de buse, qui est rendu étanche vis-à-vis de la rampe (59) de buse et qui traverse l'intérieur (63) de celle-ci, en outre une tête (64) de buse qui est insérée dans un trou (65) ménagé dans l'extrémité (66), antérieure tournée vers un cylindre, du porte-vent (60) en y étant de préférence vissée ou qui est posée sur l'extrémité (66) avant du porte-vent (60), de préférence en y étant vissée et qui a au moins une ouverture (67) de buse et une antichambre (68), un tiroir tournant (69) qui est monté tournant dans un trou (70) de passage centré du porte-vent (60) autour de l'axe (71-71) longitudinal de la buse (11) de projection et un trou borgne (72) ouvert vers la tête (64) de buse et ayant, dans la zone du trou borgne (72), au moins une ouverture (73) d'entrée qui, en la position (11 ") ouverte de la buse (11) de projection, recouvre une ouverture (74) d'entrée correspondante, débouchant à l'intérieur (63) de la rampe (59) de buse et ménagée dans le porte-vent (60) ou dans la tête (64) de buse, et, en la position (11') de fermeture de la buse (11) de projection, est fermée par la paroi (75) du porte-vent (60) ou de la tête (64) de buse, ainsi qu'un actionneur (77) attaquant l'extrémité du tiroir (69) tournant éloignée de la tête (64) de la buse.
  2. Laminoir pour feuillard à froid suivant la revendication 1, caractérisé par des adaptateurs (17) montés aux deux extrémités (15, 16) des rampes (7, 8) de buse pour monter, avec possibilité de tourner et de coulisser, les rampes (7, 8) de buse autour de l'axe (13-13) longitudinal des rampes et dans la direction de celui-ci sur deux tourillons (18, 19) creux de palier qui sont montés dans des flasques (20, 21) latéraux sur les deux montants de cylindre d'une cage (1) de laminoir, l'envoi du fluide de refroidissement ou des émulsions aux buses (11) de projection montées dans les rampes (7, 8) de buse et aux vannes (12) de commande associées s'effectuant par un conduit (22) d'entrée ménagé dans un flasque (20) latéral ou dans les deux flasques (20, 21) latéraux, dans la cavité (23) du tourillon (18) de palier monté dans le flasque (20) latéral, dans l'intérieur (24) de l'adaptateur (17) reposant sur le tourillon (18) de palier et dans le canal (25) répartiteur des rampes (7, 8) de buse, par des vérins (26, 27) de réglage montés sur les deux tourillons (18, 19) de palier des diverses rampes (7, 8) de buse ayant des pistons (28) de réglage attaquant les adaptateurs (17) pour déplacer les rampes (7, 8) de buse transversalement à la direction (a) de passage du feuillard (6) laminé, ainsi qu'un entraínement (29) en rotation attaquant un adaptateur (17) des diverses rampes (7, 8) de buse pour faire basculer les rampes (7, 8) de buse autour de leur axe (13-13) longitudinal.
  3. Laminoir pour feuillard à froid suivant les revendications 1 et 2, caractérisé par des poutres (43) de levage, qui sont montées du côté de l'entrée du feuillard sur les deux montants (42) d'une cage (1) de laminoir et qui peuvent être déplacées dans la direction (e, f) verticale, ainsi que par des chariots (44) qui peuvent être déplacés sur ces poutres dans la direction (g, h) horizontale et qui ont des bras (45) porteurs pour les rampes (7, 8, 10) de buse.
  4. Laminoir pour feuillard à froid suivant l'une des revendications 1 à 3, caractérisé en ce que, pour une cage (1) de laminoir quarto, il est fixé aux extrémités (46) inférieures des bras (45) porteurs, respectivement, au moins une rampe (7, 8) de buse pour les cylindres (2, 3) inférieur et supérieur de travail, ainsi que sur les parties (47) supérieures des bras (45) porteurs au moins une rampe (10) de buse et un stripeur pour le cylindre (5) d'appui supérieur.
EP01107352A 2000-04-08 2001-03-24 Laminoirs pour feuillards à froid, notamment feuillards fins et feuilles minces, avec un dispositif pour refroidir et/ou lubrifier des cylindres de laminoirs Expired - Lifetime EP1142652B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20006508U DE20006508U1 (de) 2000-04-08 2000-04-08 Walzenkühl- und/oder Schmiervorrichtung für Kaltbandwalzwerke, insbesondere Feinband- und Folienwalzwerke
DE20006508U 2000-04-08

Publications (3)

Publication Number Publication Date
EP1142652A2 EP1142652A2 (fr) 2001-10-10
EP1142652A3 EP1142652A3 (fr) 2004-01-02
EP1142652B1 true EP1142652B1 (fr) 2005-08-03

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EP01107352A Expired - Lifetime EP1142652B1 (fr) 2000-04-08 2001-03-24 Laminoirs pour feuillards à froid, notamment feuillards fins et feuilles minces, avec un dispositif pour refroidir et/ou lubrifier des cylindres de laminoirs

Country Status (4)

Country Link
US (1) US6450000B2 (fr)
EP (1) EP1142652B1 (fr)
JP (1) JP2001347307A (fr)
DE (2) DE20006508U1 (fr)

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US9999960B2 (en) 2013-12-31 2018-06-19 Saint-Gobain Abrasives, Inc. Coolant delivery system for grinding applications

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US8347682B2 (en) * 2004-10-06 2013-01-08 Sms Siemag Aktiengesellschaft Apparatus for cleaning cylinders or rolls
JP4355280B2 (ja) * 2004-11-22 2009-10-28 新日本製鐵株式会社 冷間圧延における潤滑油供給方法
DE102008050392A1 (de) * 2008-06-18 2009-12-24 Sms Siemag Aktiengesellschaft Verfahren und Vorrichtung zum Schmieren von Walzen und eines Walzbandes eines Walzgerüsts
FR2943943A1 (fr) * 2009-04-02 2010-10-08 Coriolis Composites Procede et machine pour l'application d'une bande de fibres sur des surfaces convexes et/ou avec aretes
JP2011025305A (ja) * 2009-07-29 2011-02-10 Nippon Steel Corp 潤滑油供給方法及び潤滑油供給装置
CH702087A1 (de) * 2009-10-20 2011-04-29 Bba Innova Ag Walzenkühlvorrichtung.
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EP3308868B1 (fr) * 2016-10-17 2022-12-07 Primetals Technologies Austria GmbH Refroidissement d'un rouleau d'une cage de laminoir
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DE102017215851A1 (de) * 2017-09-08 2019-03-14 Sms Group Gmbh Walzstraße zum Walzen eines metallischen Guts und Verfahren zum Betreiben einer Walzstraße
CN108580558A (zh) * 2018-04-10 2018-09-28 燕山大学 二次冷轧机组小变形条件下轧辊工艺参数优化设定方法
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EP3651917B1 (fr) * 2018-06-13 2021-06-09 Novelis, Inc. Système et procédé pour retenir des matériaux visqueux dans un traitement au rouleau
EP3599036B1 (fr) 2018-07-26 2022-06-15 Primetals Technologies Austria GmbH Cage de laminoir pourvu de dispositif de refroidissement hybride
CN109892117B (zh) * 2019-04-02 2021-04-20 吉林大学 一种弹性啮合式秸秆压缩对辊
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EP1142652A2 (fr) 2001-10-10
DE50106935D1 (de) 2005-09-08
US20010027672A1 (en) 2001-10-11
EP1142652A3 (fr) 2004-01-02
US6450000B2 (en) 2002-09-17
JP2001347307A (ja) 2001-12-18
DE20006508U1 (de) 2000-08-31

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