EP3784423A1 - Laminoir à cylindres obliques à ajustement hydraulique des cylindres - Google Patents

Laminoir à cylindres obliques à ajustement hydraulique des cylindres

Info

Publication number
EP3784423A1
EP3784423A1 EP19719287.5A EP19719287A EP3784423A1 EP 3784423 A1 EP3784423 A1 EP 3784423A1 EP 19719287 A EP19719287 A EP 19719287A EP 3784423 A1 EP3784423 A1 EP 3784423A1
Authority
EP
European Patent Office
Prior art keywords
rolling
work rolls
block
roll
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.)
Granted
Application number
EP19719287.5A
Other languages
German (de)
English (en)
Other versions
EP3784423B1 (fr
Inventor
Frank D'HONE
Martin Sauerland
Matthias Krahn
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 Group GmbH
Original Assignee
SMS Group GmbH
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 Group GmbH filed Critical SMS Group GmbH
Publication of EP3784423A1 publication Critical patent/EP3784423A1/fr
Application granted granted Critical
Publication of EP3784423B1 publication Critical patent/EP3784423B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/04—Rolling basic material of solid, i.e. non-hollow, structure; Piercing, e.g. rotary piercing mills
    • 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
    • B21B31/20—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis
    • B21B31/32—Adjusting or positioning rolls by moving rolls perpendicularly to roll axis by liquid pressure, e.g. hydromechanical adjusting
    • 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
    • B21B37/58—Roll-force control; Roll-gap control
    • 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
    • B21B37/78—Control of tube rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/10—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring roll-gap, e.g. pass indicators
    • 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
    • B21B13/008—Skew rolling stands, e.g. for rolling rounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B19/00—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work
    • B21B19/02—Tube-rolling by rollers arranged outside the work and having their axes not perpendicular to the axis of the work the axes of the rollers being arranged essentially diagonally to the axis of the work, e.g. "cross" tube-rolling ; Diescher mills, Stiefel disc piercers or Stiefel rotary piercers
    • B21B19/06—Rolling hollow basic material, e.g. Assel mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B2271/00—Mill stand parameters
    • B21B2271/02—Roll gap, screw-down position, draft position
    • B21B2271/04—Screw-down speed, draft speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product

Definitions

  • the invention relates to a cross rolling mill for rolling a block over a mandrel into a hollow block, comprising a plurality of work rolls each applying a substantially radially directed rolling force to the block, the work rolls being carried in a rolling stand and the gap between the work rolls, Preferably, the orientation of the roll axis of at least one of the work rolls relative to the block, is variable. Furthermore, the invention relates to a method for producing a hollow block from a block by means of such a cross rolling mill. 2. State of the art
  • a preheated block in steel preheated to about 1,250 ° C block, rolled by means of two or more main working rolls on a mandrel located between the mandrel to a hollow block.
  • the work rolls exert on the block a substantially radially directed rolling force and are supported and supported for support in a rolling stand, a so-called rolling stand, such that at least the rolling gap between the work rolls is set to the respective desired wall thickness of the hollow block to be produced can be.
  • mechanical spindle drives have been used for decades, which allow at least one nip setting before and after the rolling process. A roll gap setting during the rolling process, in particular an automated roll gap adjustment even during the rolling process itself, this is nevertheless not possible.
  • a cross rolling mill for rolling a block over a mandrel to a hollow block, in which instead of the previously used mechanical Anstellelemente such as spindle drives, hydraulic Anstellelemente, preferably hydraulic capsules are provided for, the change in the roll gap, preferably Also, the alignment of the roll axis of at least one of the work rolls against the block to effect.
  • the change of the roll gap by means of hydraulic setting elements in relation to the block as a workpiece is understood to mean that the work rolls are realigned to one another as required, whereby the roll gap dimension and geometry also remains variable during the rolling process.
  • an alignment with respect to the block to be formed into a hollow block takes place between the respective rolling processes and, during the rolling processes, the alignment of at least one of the roll axes also or alternatively with respect to the other work roll (s).
  • the hydraulic Anstellelemente are preferably connected in a usual manner with chocks, via which the work rolls are mounted adjustable in the respective rolling mill.
  • a beveling mill is provided for the first time, which allows a change in the roll gap geometry or any other type of Stördorfnkompensation even during the rolling process due to the hydraulic Anstellelemente.
  • the work rolls are pre-set by the hydraulic setting elements to a certain distance from one another, the so-called roll gap.
  • Symmetrically between the work rolls is located in the inventive slanting mill held by a mandrel mandrel, above which the block is then rolled to form a hollow block. Due to the oblique position of the work rolls, the forming of the block takes place in a hollow block over the mandrel fixedly arranged in the nip and due to the force applied by the oblique position of the work rolls on the block propulsion.
  • the roll gap increases as a result, and the symmetry of the arrangement of Work rolls and possibly the dome to each other shifts, especially because, for example, the upper and lower work rolls are different in design, for example, moved up or down.
  • the center of the work rolls shifts to each other and the mandrel and thus the outlet side of the cross rolling mill, which leads to undesirable effects on the quality of the hollow block produced.
  • the wall thickness distribution of the hollow block occur due to the displacement of the work roll centers to each other increasingly eccentricities, which are ultimately to be found even in the finished rolled-out tube
  • hydraulic setting elements overcomes this disadvantage of previously existing cross rolling mills.
  • the use of hydraulic setting elements preferably hydraulic capsules, enables the dynamic minimization or complete compensation of the stator expansion and the associated displacement of the roll position relative to each other.
  • Changes in the roll gap preferably also the alignment of the roll axis of at least one of the work rolls against the block or any other work roll, preferably to compensate as far as possible.
  • manipulated variables are preferably used for the hydraulic adjusting elements of the work rolls Stördorfnausregelungen acting horizontally in the x direction transverse to the rolling direction, in the y direction vertical to the rolling direction and in the z direction in the rolling direction to the outlet side.
  • the inventive cross rolling mill according to the first aspect of the invention has, in addition to the work rolls, preferably the upper and lower work rolls, the roll gap laterally delimiting disks or guide shoes, via which a central positioning of the block and the outgoing hollow block can be influenced within the roll gap.
  • Diescheremian usually have a circumferential profile in the form of the hollow block to be rolled and are arranged relative to the hollow block an explicat within the cross rolling mill. It is preferred in this context, although the Diescheremian or the guide shoes have hydraulic Anstellelemente that preferably support or can cause a dynamic and online-acting Störuccnkompensation.
  • a measuring means is provided with which a change in the roll gap geometry and / or the roll gap displacement and / or the position of the work rolls in space and their change during the rolling operation can be determined.
  • this measuring means is connected to an evaluation unit which is suitable for determining the disturbance variables to be compensated.
  • a cross rolling mill is provided, which is capable of dynamically and permanently preferably to determine any change in the rolling process, for example, based on a measured stator expansion and the associated change in the arrangement of the work rolls and possibly the dome to each other.
  • the measuring means may in principle be arranged at any point of the roll stand or of its built-in elements, wherein a
  • an indirect measurement for example on a guide element such as a Diescheremia or a guide shoe still allows a correlation on a correlation on a conclusion on the position of the work rolls or the individual guide elements in the stand under load rolling stand.
  • the measuring means comprises an optical image detection unit, which makes it possible to separate the measuring unit away from the rolling stand and the circumstances otherwise acting thereon on the measuring unit and interfering with the measurement result.
  • the measuring means comprises a camera, preferably a CCD camera. By means of such a camera, the measuring unit in the rolling mill can be positioned almost anywhere on the roll stand and at the same time, optionally after a corresponding calibration, provide all the desired measurement results.
  • the measuring means is capable of a connected to the rolling stand picture element, preferably one or more connected to the adjusting elements for the work rolls
  • Image elements to capture and then able to determine their position and / or shape change during the rolling process are particularly preferred if the at least one picture element is an active luminous element which, in an extremely preferred embodiment of the invention, is circular and of defined diameter or oval with a defined shape. It is also preferred if the picture element is square or rectangular, for example, then the evaluation of the change of one or more picture element diagonals under load allows an indication of the rolling stand expansion or distortion. In this way, on the one hand, the possibility is created to measure each roll stand strain and / or distortion directly and directly, on the other hand, the image acquisition is advantageously supported by particularly simple means by the design of the picture element as an active light.
  • the calibration of the measurement is supported by particularly simple means by the preferred embodiment of the pixel with circular shape and defined diameter or oval with predetermined shape or square or rectangular with known diagonal dimensions, on the other hand also created the possibility, not only the change in position of the pixel during roll stand stretch, but also any shape change of the pixel due to any other type of distortion of the roll stand.
  • This can be used particularly advantageously if the optical image acquisition not only the center (in a circular shape) or the intersection of the major axes (oval shape) or the intersection of the surface diagonal (square or rectangular shape) of a pixel, but the entire surface, but at least the picture element edge and its center, is able to capture.
  • change hydraulic adjusting preferably hydraulic capsules, which are directly or indirectly connected to the work rolls, for example via roll chocks, during the Rolling the nip, preferably also the orientation of the roll axis of at least one of the work rolls relative to the block.
  • the change in the roll gap is effected if disturbances are determined by an evaluation unit in advance by means of measured changes in the roll gap geometry and / or the roll gap displacement and / or the position of the work rolls in space and their change during the rolling operation have been.
  • a signal for the control variable compensation is output to the hydraulic setting elements.
  • the evaluation unit is connected to a measuring means, preferably an optical measuring means located remotely from the rolling stand, in particular a measuring means with an optical image detection unit.
  • this measuring device can detect a picture element connected to the rolling stand, preferably one or more picture elements connected to the setting elements for the work rolls, and determine their position and / or shape changes during the rolling process.
  • the movement of the picture elements is preferably detected with high precision by means of the optical measuring means, the changes Ax1 (t) and Ay1 (t) of the upper work roll or Ax2 (t), Ay2 (t) of the lower work roll preferably being determined online and by means of the evaluation unit is transmitted to the control and regulation unit for minimizing or compensating the manipulated variables.
  • the control and regulation unit for minimizing or compensating the manipulated variables.
  • the upper and / or lower work rolls also or exclusively the position and / or position of the dome and in addition to this or independent of other changes, the position and / or position of the Diescherrion for Block or hollow block is changed dynamically, so as to effect the compensation of previously determined disturbances or at least support.
  • the invention allows the dynamic compensation of the expansion of the rolling mill during rolling and the reduction or elimination of errors in the pipe to be produced by the cross rolling mill.
  • the data acquisition is preferably carried out without contact and removed from the rolling stand, thus free of the measurement result disturbing influences near the roll gap, and allows the highest possible flexibility of the arrangement of the measuring means to the rolling mill depending on local conditions.
  • movements of the roll stand can be detected and compensated during subsequent rolling, possibly also during the ongoing rolling process.
  • the measuring means can be permanently mounted but also designed to be mobile.
  • an optical image acquisition can be used which uses the CaliView® measuring device. It can measure contours from a distance of 8 m to 40 m with an accuracy of 0.1 mm, with CaliView® also having a continuous scan function for checking the measurement.
  • the measurement can thus record during the rolling process movements of the roll stand and the resulting changes in the roll gap and the roll gap geometry and use during operation for readjustment of the work rolls or other manipulated variables. Due to the preferred known shape and dimension of the picture element on the roll stand can also be provided in the arrangement of the measuring means in relation to the rolling mill an angular offset, which should then be considered in the calibration of the meter. Flier die the influence of the vapors occurring during the cross rolling and other influences disturbing the measurement result can be limited to the unavoidable minimum.
  • FIG. 1 shows a schematic view of a part of a cross rolling mill according to a first embodiment of the invention
  • Figure 2 shows a schematic representation of a part of a
  • FIG. 3 shows a flow diagram for the application of a device according to the invention
  • FIG. 1 shows, in a first embodiment, the mode of action of a bevelling mill comprising an upper work roll 1 and a lower work roll 2.
  • the upper and lower work rolls 1, 2 are in the form of two truncated cones connected together at their large end face and act in the transformation of a block 3 in a direction from left to right (z-direction) in Figure 1 with a mandrel 4 arranged on a mandrel 5 together.
  • the block 3 is at a suitable position of the upper and lower work rolls 1, 2 relative to the block 3 by the rotation of the upper and lower work rolls 1, 2 about their longitudinal axes 1 a and 2a through the nip between the upper and lower work rolls 1, 2nd and conveyed across the mandrel 5 from the input side 6 to the output side 7.
  • hydraulic adjusting 8a, 8b, and 9a, 9b are arranged, via which the position of the work rolls 1, 2 to each other and in relation to the block 3 is almost arbitrarily variable, in particular the manner shown in a y-direction vertical to the rolling direction.
  • FIG. 2 shows another embodiment of an essential part of a rolling mill according to the invention, comprising an upper work roll 1 and a lower work roll 2, each showing a truncated cone shape with unsteady coat course.
  • a nip 10 is formed, in which the block 3 enters by movement in the direction of z on the mandrel 5 and there in cooperation of the upper and lower work rolls 1, 2 with the locally fixed piercing pin fifth is converted to a (not shown) hollow block.
  • hydraulic adjusting elements 8a, 8b and 9a, 9b are arranged, by means of which a change of the roll gap 10 and the local position of the roll axes 1a, 1b can be effected
  • FIG. 3 shows a schematic flow diagram of the method according to the invention by means of a skew rolling mill 11 according to the invention, which carries an upper work roll 1 and a lower work roll 2.
  • Image elements MM1 and MM2 are arranged roll stand of the roll stand 11 and are permanently monitored during the rolling operation with high precision and dynamically both in terms of their location and their form of a remote and not pictorially illustrated camera.
  • Each change of position in the x-direction and y-direction Dx1 (t), Ay1 (t) for the upper work roll 1 and Dx2 (t), Ay2 (t) for the lower work roll 2 are detected by the (not shown) measuring unit and on a (also not shown) transmitted evaluation.
  • this evaluation unit determines whether the positional changes of the picture elements MM1, MM2 detected by the image unit (not shown) are to be regarded as correcting variables to be compensated. If this is the case, the disturbances determined by the evaluation unit are forwarded to the HGC controller as a control and regulation unit (hydraulic gap control controller).
  • HGC control and regulation unit
  • control commands Y1, Y2 are output to the hydraulic Anstellelemente 8, 9.
  • These hydraulic adjusting elements 8, 9 change by adjusting the upper work roll 1 and / or the lower work roll 2 with respect to the (not shown) mandrel the roll gap geometry and optionally the orientation of the (not shown) roll axes to each other. This makes it possible to output during the rolling process highly dynamic with constant detection and evaluation of measurement data online control and regulation commands that are able to positively influence the rolling result and the course of the cross rolling process.

Landscapes

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

Abstract

L'invention concerne un laminoir à cylindres obliques (11) conçu pour laminer un bloom sur un mandrin pour former un bloom creux, comprenant une pluralité de cylindres de travail (1, 2) qui exercent respectivement une force de laminage orientée de manière sensiblement radiale sur le bloom, les cylindres de travail étant portés dans une cage de laminoir et l'écartement entre les cylindres de travail, de préférence également l'orientation de l'axe d'au moins un des cylindres de travail par rapport au bloom pouvant être modifiés, des éléments d'ajustement hydraulique (8, 9), de préférence des capsules hydrauliques, étant prévus pour induire une modification de l'écartement entre les cylindres, de préférence aussi une modification de l'orientation de l'axe d'au moins un des cylindres de travail par rapport au bloom. Cette invention concerne en outre un procédé pour produire un bloom creux à partir d'un bloom au moyen d'un laminoir à cylindres obliques (11) conçu pour laminer un bloom sur un mandrin, ce laminoir à cylindres obliques comprenant une pluralité de cylindres de travail (1, 2) qui exercent respectivement une force de laminage orientée de manière sensiblement radiale sur le bloom, les cylindres de travail étant portés dans une cage de laminoir et l'écartement entre les cylindres de travail, de préférence également l'orientation de l'axe d'au moins un des cylindres de travail par rapport au bloom pouvant être modifiés. Pendant le processus de laminage, des éléments d'ajustement hydraulique (8, 9), de préférence des capsules hydrauliques, peuvent induire une modification de l'écartement entre les cylindres, de préférence aussi une modification de l'orientation de l'axe d'au moins un des cylindres de travail par rapport au bloom.
EP19719287.5A 2018-04-27 2019-04-24 Laminoir à cylindres obliques à ajustement hydraulique des cylindres Active EP3784423B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018003434.9A DE102018003434A1 (de) 2018-04-27 2018-04-27 Schrägwalzwerk mit hydraulischer Walzenanstellung
PCT/EP2019/060458 WO2019206958A1 (fr) 2018-04-27 2019-04-24 Laminoir à cylindres obliques à ajustement hydraulique des cylindres

Publications (2)

Publication Number Publication Date
EP3784423A1 true EP3784423A1 (fr) 2021-03-03
EP3784423B1 EP3784423B1 (fr) 2022-09-14

Family

ID=66251811

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19719287.5A Active EP3784423B1 (fr) 2018-04-27 2019-04-24 Laminoir à cylindres obliques à ajustement hydraulique des cylindres

Country Status (8)

Country Link
US (1) US11511327B2 (fr)
EP (1) EP3784423B1 (fr)
JP (1) JP7209013B2 (fr)
CN (1) CN112236242A (fr)
DE (1) DE102018003434A1 (fr)
ES (1) ES2932865T3 (fr)
RU (1) RU2758509C1 (fr)
WO (1) WO2019206958A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295379A (en) 1993-03-05 1994-03-22 Italimpianti Of America, Inc. Vertical piercer mill
US20020000113A1 (en) 2000-04-27 2002-01-03 Sms Demag Aktiengesellschaft Rolling mill, especially for inclined or diescher rolling
CN102319739A (zh) 2011-10-19 2012-01-18 北京金自天正智能控制股份有限公司 二辊斜轧穿孔机辗轧角调整装置
US20150000363A1 (en) 2012-01-20 2015-01-01 Danieli & C. Officine Meccaniche S.P.A. Rolling stand with non skewed working rolls with a roll preloading device
DE102016114377A1 (de) 2015-09-01 2017-03-02 Sms Group Gmbh Schrägwalzaggregat sowie Verfahren zum Bestimmen des Walzkalibers eines Schrägwalzaggregats

Family Cites Families (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT259334B (de) * 1964-03-24 1968-01-10 Dalmine Spa Vorrichtung zur Geraderichten von Stangen, Rohren u. dgl.
DE2156595C3 (de) * 1971-11-11 1980-01-24 Mannesmannroehren-Werke Ag, 4000 Duesseldorf Rohrschrägwalzwerk
SU530706A1 (ru) * 1975-06-20 1976-10-05 Предприятие П/Я В-2869 Механизм установки валков стана валкового расширени труб на конической оправке
JPS53149857A (en) * 1977-06-03 1978-12-27 Hitachi Ltd Controlling method for wall thickness of seamless pipe in rolling mill
SU863031A1 (ru) * 1978-09-29 1981-09-15 Предприятие П/Я М-5774 Прокатна клеть
SU869884A1 (ru) * 1980-01-18 1981-10-07 Предприятие П/Я В-2869 Нажимное устройство прокатной клети
JPS5717316A (en) 1980-07-04 1982-01-29 Kawasaki Steel Corp Method for automatic control of screw down of reeler mill
JPS60187415A (ja) * 1984-03-08 1985-09-24 Nippon Kokan Kk <Nkk> ピアサ−におけるプラグ無し圧延状態の検出方法
JPS60206514A (ja) 1984-03-29 1985-10-18 Sumitomo Metal Ind Ltd 金属管の傾斜ロ−ル圧延方法
JPS60261607A (ja) 1984-06-08 1985-12-24 Sumitomo Metal Ind Ltd 継目無管の偏肉発生監視方法
JPS613608A (ja) * 1984-06-15 1986-01-09 Sumitomo Metal Ind Ltd 傾斜ロ−ル圧延機の寸法制御方法
JPS61209706A (ja) 1985-03-13 1986-09-18 Kawasaki Steel Corp 傾斜圧延機の運転制御装置
JPS61276708A (ja) 1985-05-30 1986-12-06 Sumitomo Metal Ind Ltd 圧延機のチヨツク間隙計測装置
DE3530343A1 (de) 1985-08-24 1987-02-26 Kocks Technik Verfahren zum hohlwalzen
JPS62173014A (ja) 1986-01-24 1987-07-29 Ishikawajima Harima Heavy Ind Co Ltd ロ−ル中心距離検出装置
CN86103262B (zh) 1986-05-14 1988-04-06 北方工业大学 配有管端缩径装置的管材斜轧机
DE3619412A1 (de) 1986-06-12 1987-12-17 Hoesch Stahl Ag Verfahren und vorrichtung zur walzspaltmessung und regelung
JPS63289405A (ja) 1987-05-21 1988-11-25 Ishikawajima Harima Heavy Ind Co Ltd ロ−ルギヤツプセンサ−
JPH05177221A (ja) 1991-12-27 1993-07-20 Sumitomo Metal Ind Ltd 管の傾斜圧延方法
JP2998395B2 (ja) 1992-01-16 2000-01-11 住友金属工業株式会社 管の圧延方法
DE19611782C2 (de) * 1996-03-13 1999-08-19 Mannesmann Ag Verfahren und Vorrichtung zum Herstellen eines Hohlkörpers aus massivem Rundstahl
DE19805602A1 (de) 1998-02-12 1999-08-26 Kocks Technik Verfahren und Vorrichtung zum Messen und Einstellen von Kaliberöffnungen
DE10316910B3 (de) * 2003-04-12 2004-09-02 Sms Meer Gmbh Verfahren zur Herstellung von Rohren aus metallischem Werkstoff
JP4300518B2 (ja) 2003-10-07 2009-07-22 住友金属工業株式会社 多段圧延機の芯ずれ量測定装置
DE10349056A1 (de) * 2003-10-17 2005-05-19 Kocks Technik Gmbh & Co. Kg Verfahren und Vorrichtung zum Walzen von Walzgut in einer Walzanlage mit einem Schrägwalzwerk
DE102005042835B3 (de) 2005-09-09 2007-05-31 Sms Meer Gmbh Walzwerk zum Herstellen von Rohren und Stäben oder dergleichen Langprodukten
DE102011078623A1 (de) 2011-07-05 2013-01-10 Sms Siemag Ag Vorrichtung und Verfahren zur Bestimmung der Lage einer Walze eines Walzwerks
EP2590761B1 (fr) 2011-09-14 2015-09-09 SMS Meer GmbH Train de laminage avec dispositif de détermination des calibres de laminage ou de guidage des cages de laminoir ou de guidage dans un train de laminage à plusieurs cages
CN103962394B (zh) 2014-06-10 2015-09-23 河北钢铁股份有限公司 一种热轧机轧辊轧制方向偏移量的在线检测方法
CN104324944B (zh) 2014-10-28 2016-10-26 太原磬泓机电设备有限公司 具有辊距在线调整功能的二辊无缝钢管轧机
CN204503779U (zh) 2014-12-31 2015-07-29 太原磬泓机电设备有限公司 一种轧辊辊距在线动态微调装置
CN204486475U (zh) 2015-03-16 2015-07-22 河北钢铁股份有限公司 一种热轧机轧辊位移实时监测装置
JP6388566B2 (ja) 2015-07-21 2018-09-12 Ｊｆｅプラントエンジ株式会社 マンドレルミルのチョック部のライナー寸法精度測定方法
US10290118B2 (en) 2015-08-06 2019-05-14 Cognex Corporation System and method for tying together machine vision coordinate spaces in a guided assembly environment
CN206122330U (zh) * 2016-10-14 2017-04-26 绍兴市新兴金属材料厂 一种三辊斜轧机的固定装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5295379A (en) 1993-03-05 1994-03-22 Italimpianti Of America, Inc. Vertical piercer mill
US20020000113A1 (en) 2000-04-27 2002-01-03 Sms Demag Aktiengesellschaft Rolling mill, especially for inclined or diescher rolling
CN102319739A (zh) 2011-10-19 2012-01-18 北京金自天正智能控制股份有限公司 二辊斜轧穿孔机辗轧角调整装置
US20150000363A1 (en) 2012-01-20 2015-01-01 Danieli & C. Officine Meccaniche S.P.A. Rolling stand with non skewed working rolls with a roll preloading device
DE102016114377A1 (de) 2015-09-01 2017-03-02 Sms Group Gmbh Schrägwalzaggregat sowie Verfahren zum Bestimmen des Walzkalibers eines Schrägwalzaggregats

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MICHAEL WILMS: "Tenaris starts advanced seamless pipe production for the demanding US oil and gas industry", MPT. METALLURGICAL PLANT AND PLANT AND TECHNOLOGY INTERNATIONAL, VERLAG STAHLEISEN, DUESSELDORF, DE, vol. 1, no. 2, 20 February 2018 (2018-02-20), DE, pages 44 - 47, XP009530401, ISSN: 0935-7254
See also references of WO2019206958A1

Also Published As

Publication number Publication date
JP7209013B2 (ja) 2023-01-19
US11511327B2 (en) 2022-11-29
US20210229147A1 (en) 2021-07-29
CN112236242A (zh) 2021-01-15
JP2021519697A (ja) 2021-08-12
ES2932865T3 (es) 2023-01-27
EP3784423B1 (fr) 2022-09-14
WO2019206958A1 (fr) 2019-10-31
RU2758509C1 (ru) 2021-10-29
DE102018003434A1 (de) 2019-10-31

Similar Documents

Publication Publication Date Title
EP2937155B1 (fr) Machine à laminer des bagues et procédé de commande d&#39;une machine à laminer des bagues
EP1978329A1 (fr) Procédé de mesure de la circularité de profilés ronds
EP2825332A1 (fr) Dispositif servant à redresser une bande métallique
DE102009030792A1 (de) Verfahren zum Kalibrieren zweier zusammenwirkender Arbeitswalzen in einem Walzgerüst
EP0399296A2 (fr) Justification automatique d&#39;un laminoir universel après le changement des cylindres pour les profils neufs
DE2532710A1 (de) Walzwerk zur herstellung nahtloser stahlrohre
EP4217125B1 (fr) Dispositif et procédé de laminage d&#39;une bande métallique
WO2019206958A1 (fr) Laminoir à cylindres obliques à ajustement hydraulique des cylindres
WO2017013099A1 (fr) Installation et procédé destinés à l&#39;élimination de défauts de planéité d&#39;un produit plat métallique
DE1809260A1 (de) Walzwerk
DE3823767A1 (de) Verfahren und vorrichtung zum steuern des profils und der planheit von metallbaendern in mehrgeruestigen walzstrassen
AT410977B (de) Verfahren und vorrichtung zur bestimmung der krümmung von langgut
EP3851217B1 (fr) Adaptation améliorée d&#39;un modèle de cylindre
EP1541250B1 (fr) Procédé de positionnement axial de cylindres dans une cage de laminoir et cage de laminoir
DE10237375A1 (de) Vorrichtung und Verfahren zur geometrischen Vermessung eines im Querschnitt kreisförmigen Rohres
DE4203469C2 (de) Meßverfahren und Meßsystem zur Erfassung eines Spaltes eines Walzenpaares
EP0433819A2 (fr) Détermination de la caractéristique de cédage d&#39;une cage ébaucheuse et finisseuse
DE19964042A1 (de) Kalibrierverfahren für ein Universalwalzgerüst
EP4309817B1 (fr) Procédé et programme informatique pour surveiller l&#39;état d&#39;une cage de laminoir
DE10027721A1 (de) Justierverfahren für ein Walzgerüst
EP4100178B1 (fr) Procédé d&#39;étalonnage automatique de rouleaux verticaux d&#39;une cage de laminoir verticale et système d&#39;étalonnage pour mettre en oeuvre ce procédé
DE3245031A1 (de) Walzgeruest
EP1454685B1 (fr) Procédé pour former une pièce
DE102008015826A1 (de) Walzgerüst
EP4309817A1 (fr) Procédé et programme informatique pour surveiller l&#39;état d&#39;une cage de laminoir

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20201127

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

DAV Request for validation of the european patent (deleted)
DAX Request for extension of the european patent (deleted)
RIC1 Information provided on ipc code assigned before grant

Ipc: B21B 13/00 20060101AFI20210706BHEP

Ipc: B21B 19/04 20060101ALI20210706BHEP

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

TPAC Observations filed by third parties

Free format text: ORIGINAL CODE: EPIDOSNTIPA

INTG Intention to grant announced

Effective date: 20210929

17Q First examination report despatched

Effective date: 20211111

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAL Information related to payment of fee for publishing/printing deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR3

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

INTC Intention to grant announced (deleted)
GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

GRAL Information related to payment of fee for publishing/printing deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR3

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTC Intention to grant announced (deleted)
INTG Intention to grant announced

Effective date: 20220524

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502019005668

Country of ref document: DE

REG Reference to a national code

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1518397

Country of ref document: AT

Kind code of ref document: T

Effective date: 20221015

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG9D

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20220914

REG Reference to a national code

Ref country code: ES

Ref legal event code: FG2A

Ref document number: 2932865

Country of ref document: ES

Kind code of ref document: T3

Effective date: 20230127

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221214

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20221215

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230116

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20230114

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502019005668

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230707

26N No opposition filed

Effective date: 20230615

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

GBPC Gb: european patent ceased through non-payment of renewal fee

Effective date: 20230424

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230424

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20230430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230424

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20220914

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230430

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230430

Ref country code: GB

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230424

REG Reference to a national code

Ref country code: IE

Ref legal event code: MM4A

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230430

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230424

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20230424

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20240418

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: ES

Payment date: 20240524

Year of fee payment: 6

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: IT

Payment date: 20240424

Year of fee payment: 6

Ref country code: FR

Payment date: 20240425

Year of fee payment: 6