EP1166907B1 - Procédé pour laminer des ébauches de tube dans un laminoir planétaire à cylindres obliques - Google Patents

Procédé pour laminer des ébauches de tube dans un laminoir planétaire à cylindres obliques Download PDF

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Publication number
EP1166907B1
EP1166907B1 EP01250193A EP01250193A EP1166907B1 EP 1166907 B1 EP1166907 B1 EP 1166907B1 EP 01250193 A EP01250193 A EP 01250193A EP 01250193 A EP01250193 A EP 01250193A EP 1166907 B1 EP1166907 B1 EP 1166907B1
Authority
EP
European Patent Office
Prior art keywords
tube blank
tube
rolling
rotation
blanks
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
EP01250193A
Other languages
German (de)
English (en)
Other versions
EP1166907A3 (fr
EP1166907A2 (fr
Inventor
Thomas Dipl.-Ing. Pfeiffer
Horst Dipl.-Ing. Franken
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 Demag 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
Priority claimed from DE10126411A external-priority patent/DE10126411B4/de
Application filed by SMS Demag AG filed Critical SMS Demag AG
Publication of EP1166907A2 publication Critical patent/EP1166907A2/fr
Publication of EP1166907A3 publication Critical patent/EP1166907A3/fr
Application granted granted Critical
Publication of EP1166907B1 publication Critical patent/EP1166907B1/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
    • 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

Definitions

  • the invention relates to a method for rolling tube blanks in a planetary cross rolling mill.
  • a feed device for a cold pilger mill is known, with two feed carriages equipped with chucks. Each of these feed carriages is by two parallel and both sides of the rolling line arranged feed spindles in im Moving carriage arranged Spindelmuttem moves. This arrangement of feed screws allows a torque-free introduction of force in the feed slide and a Continuous advancement of the billet and thus a continuous rolling operation.
  • a cold pilger rolling mill is known in which the first feed slide provided with a device for grasping the Luppenendes during feed is.
  • the second feed carriage is a device for retracting the billet opposite to the feed direction behind the first gearbox associated mandrel abutment assigned.
  • the feed travel of the second feed carriage is dimensioned that at the end of the feed stroke with his in the rolling direction front end between the frame and driving device of the first Feed carriage is.
  • the invention is based on the object, taking into account the special Peculiarities of this rolling process, the performance of the planetary cross rolling mill to increase.
  • a device for feeding tube blanks into a planetary cross rolling mill, in which a tube blank can be rolled over a stationary tool held in its position relative to the roll gap, with a first and an axially spaced therefrom arranged second holding device for the dome rod, the clamping jaws are independent of each other radially adjoin the mandrel rod, and a first and a second feed device for the tube blanks, the clamping jaws of which are independently of one another radially displaceable on the tube blanks and can be displaced with this feed direction or against the latter, and a device for pushing a new tube blank onto the rear end of the mandrel bar held in the rolling position during the rolling of a preceding tube blank, wherein the movement of the holding means and the feed devices are so mutually ab sensible, that the rear end of the preceding and the front end of the subsequent tube blank are fed to the roll gap abutting.
  • the figures 1 and 2 show schematically the structure of the system.
  • the device according to the invention is shown in FIG.
  • the planetary cross rolling mill 1 consists of the rotor 2 and the rollers 3 therein, of which only one is drawn.
  • the rotor 2 is driven via the shaft journal 4, the rollers. 3 over the shaft 5.
  • the together form a superposition drive.
  • a mandrel 6, with their notches 7 and 8 in the two holding devices 9 and 1 0 is located.
  • These holding devices 9, 10 are in a fixed position, but by hand or motor-operated adjusting mechanism, which is not specifically shown in the axial Direction of the mandrel 6 adjustable.
  • electric motor or hydraulically engageable jaws 11 and 12 are located within the holding devices 9, 10 in the closed Condition clamp the mandrel 6 and against axially occurring, out of the nip to secure the forces that lead the way.
  • the clamping jaws 11, 12 are freely rotatably mounted to the from the rolling process originating indefinite rotation of the mandrel 6 does not hinder. If the mandrel bar 6 could not rotate freely, the rolling process could be disturbed and cause on the pipe 18 errors.
  • two feed devices 13 and 14 which are e.g. by means of not shown hydraulic cylinder in Longitudinal direction of the mandrel 6 can be moved back and forth.
  • the hydraulic cylinders are pressure-controlled to exert constant feed forces on the tube blank 17 while this is rolled.
  • the two feed devices 13, 14 are when walking through the Rohrluppenschreibes by means of a synchronizer not shown to the same speed brought to a precise advancement of the butt tube bluff 17 and 19 to ensure.
  • the feed devices 13, 14 are also with motor adjustable jaws Equipped 15 and 16, which alternately clamp the tube billet 17.
  • These jaws 15, 16 are also freely rotatably supported, because the tube blank 17 by the Rolling process is placed in an indefinite rotation that does not match the speed of the Mandrel 6 must match.
  • the jaws 15, 16 with a not shown switchable rotary drive equipped, the 17 tube in targeted Rotation can offset, if required by the course of the rolling process. Altematively it is possible to open the jaws 15, 16 during rolling and by the hydraulic cylinders exert no feed force on the tube blank 17, because the feed also by The rolling process itself can be generated, because this is in Schrägwalzluien possible.
  • the tube blank 17 extends through the entire rolling mill and exits behind the rollers 3 as a tube 18, wherein the rolling direction is represented by an arrow.
  • a second tube blank 19 is located between the two holding devices 9, 10, while a third tube blank 20 is provided.
  • the tube blanks are preceded by the blowing devices 21, 22, 23 and 24.
  • the operation of the system is as follows: In the position shown in Fig. 1 has just the rolling process started.
  • the tube blank 17 is located with its head in the nip between the rollers 3 and leaves as a pipe 18, the planetary cross rolling mill 1 in the arrow direction, while the rotor 2 rotates around the pipe 18.
  • the jaws 11 of Holding device 9 are closed and keep in the notch 7, the mandrel 6 free rotating firmly.
  • the feed devices 13 and 14 push in hand-to-hand operation the Pipe body 17 before, the jaws 15 and 16 are closed on the forward stroke and advance the tube blank freely rotating, on the return stroke, however, open or at least be depressurized.
  • the blowing apparatus 21 is in the open position.
  • the clamping jaws 12 of the holding device 10 are opened and a tube blank 19 was by the blowing apparatus 22 and 23 in the arrow direction on the rear end of the mandrel 6 postponed.
  • Another tube blank 20 is in waiting position and becomes the advanced through the blowing apparatus 24.
  • Fig. 2 shows the rolling process in a more advanced stage.
  • the Luppen Strike 25 between the tube blanks 17 and 19 is just before the planetary cross rolling mill 1, that is, the tube blank 17 is advanced from the tube blank 19, wherein the Tube blank 19 is located in the region of the holding device 9.
  • Their jaws 11 are opened and the jaws 12 of the holding device 10 is closed.
  • the tube blank 19 is advanced by the feeders 13 and 14 in the rolling direction and all Examapparate 21 to 24 are in the open position.
  • the Retaining device 9 happens close their jaws 11 and with some time delay open the jaws 12 of the holding device 10.
  • the tube blank 20 is now pushed in and it again begins a phase of FIG. 1.
  • the billet with the jaws to grab and forcibly turn and advance, being rotational and feed speed correspond in about the rotation and feed rate, the is exercised by the rolling stand on the billet.

Landscapes

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

Claims (8)

  1. Procédé de laminage d'ébauches de tubes dans un laminoir planétaire à cylindres obliques,
    caractérisé en ce que l'amenée des ébauches de tubes à laminer dans l'écartement des cylindres a lieu en continu bout à bout, l'ébauche de tube suivant l'ébauche de tube située dans l'écartement des cylindres étant avancée avec une rotation correspondant à la rotation de l'extrémité d'ébauche de tube déterminée par la torsion sous les cylindres.
  2. Procédé selon la revendication 1,
    caractérisé en ce que la rotation de l'ébauche de tube suivante a lieu par friction par l'intermédiaire de la rotation de l'extrémité de l'ébauche de tube se trouvant dans l'écartement des cylindres.
  3. Procédé selon l'une des revendications précédentes,
    caractérisé en ce que l'ébauche de tube suivante est montée de manière à pouvoir tourner librement pendant l'avance.
  4. Procédé selon la revendication 1,
    caractérisé en ce que l'ébauche de tube suivante est tournée et avancée par force, les vitesses de rotation et d'avance correspondant aux vitesses de rotation et d'avance qui sont appliquées à l'ébauche de tube se trouvant dans l'écartement des cylindres par la cage de laminoir.
  5. Dispositif destiné à amener des ébauches de tubes dans un laminoir planétaire à cylindres obliques dans lequel une ébauche de tube peut être laminée par l'intermédiaire d'un outil intérieur (6) tenu fixement dans l'écartement de cylindres, comportant un premier dispositif de retenue (11) et un second dispositif de retenue (12), agencé à distance axiale du premier, pour le poinçon (6), lesquels peuvent être réglés indépendamment l'un de l'autre radialement sur le poinçon (6),
       ainsi qu'un premier et un second dispositif d'avance (13, 14) pour les ébauches de tubes (17), lesquels peuvent être réglés indépendamment l'un de l'autre radialement sur les ébauches de tubes et peuvent être déplacés avec celles-ci dans le sens d'avance ou à l'encontre de celui-ci,
       ainsi qu'un dispositif (22, 23) servant à enfiler une nouvelle ébauche de tube sur l'extrémité arrière du poinçon (6) tenu en position de laminage pendant le laminage d'une ébauche de tube précédente,
       les déplacements des dispositifs de retenue (11, 12) et des dispositifs d'avance (13, 14) pouvant être synchronisés de telle manière que l'extrémité arrière de l'ébauche de tube précédente et l'extrémité avant de l'ébauche de tube suivante puissent être amenées bout à bout vers l'écartement de cylindres.
  6. Dispositif selon la revendication 5,
    caractérisé en ce que le dispositif d'avance (13, 14) présente des mandrins de serrage (15, 16) montés de manière à pouvoir tourner librement autour de l'axe longitudinal d'ébauche de tube.
  7. Dispositif selon la revendication 5,
    caractérisé en ce que le dispositif de retenue (11, 12) pour le poinçon est monté de manière à pouvoir tourner librement autour de l'axe longitudinal de poinçon.
  8. Dispositif selon la revendication 5,
    caractérisé en ce que les mâchoires de serrage (15, 16) du dispositif d'avance (13, 14) sont agencées de manière à pouvoir être entraínées en rotation autour de l'axe d'ébauche de tube.
EP01250193A 2000-06-14 2001-05-31 Procédé pour laminer des ébauches de tube dans un laminoir planétaire à cylindres obliques Expired - Lifetime EP1166907B1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10029114 2000-06-14
DE10029114 2000-06-14
DE10126411 2001-05-22
DE10126411A DE10126411B4 (de) 2000-06-14 2001-05-22 Verfahren zum Walzen von Rohrluppen in einem Planetenschrägwalzwerk und Vorrichtung zum Zuführen von Rohrluppen in ein Planetenschrägwalzwerk

Publications (3)

Publication Number Publication Date
EP1166907A2 EP1166907A2 (fr) 2002-01-02
EP1166907A3 EP1166907A3 (fr) 2004-02-11
EP1166907B1 true EP1166907B1 (fr) 2005-11-30

Family

ID=26006066

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01250193A Expired - Lifetime EP1166907B1 (fr) 2000-06-14 2001-05-31 Procédé pour laminer des ébauches de tube dans un laminoir planétaire à cylindres obliques

Country Status (9)

Country Link
US (1) US6497129B2 (fr)
EP (1) EP1166907B1 (fr)
JP (1) JP2002028704A (fr)
CN (1) CN1234475C (fr)
AT (1) ATE311263T1 (fr)
AU (1) AU775845B2 (fr)
CA (1) CA2350358A1 (fr)
DE (1) DE50108219D1 (fr)
ES (1) ES2249382T3 (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10316910B3 (de) * 2003-04-12 2004-09-02 Sms Meer Gmbh Verfahren zur Herstellung von Rohren aus metallischem Werkstoff
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
DE102007014079A1 (de) * 2007-03-21 2008-09-25 Kocks Technik Gmbh & Co. Kg Verfahren und Vorrichtung zum Walzen von Walzgut in einer Walzanlage mit einem Schrägwalzwerk
US20110017807A1 (en) * 2009-07-23 2011-01-27 Chakravarti Management, Llc Method for rolled seamless clad pipes
US20110017339A1 (en) * 2009-07-23 2011-01-27 Chakravarti Management, Llc Method for rolled seamless clad pipes
DE102011116666B4 (de) * 2011-06-07 2015-05-28 Sms Meer Gmbh Vorrichtung und Verfahren zum Walzen von Rohrluppen
DE102013109218A1 (de) 2013-08-26 2015-02-26 Sandvik Materials Technology Deutschland Gmbh Kaltpilgerwalzanlage und Verfahren zum Umformen einer Luppe zu einem Rohr
CN106391709B (zh) * 2016-12-20 2019-01-04 广东海亮铜业有限公司 连续轧制行星轧机
CN106825071A (zh) * 2017-02-10 2017-06-13 余姚市永建精管机械制造厂 一种钢管连续输送机构
CN107671140B (zh) * 2017-08-09 2023-12-22 徐州锡沂康成食品检验检测研究院有限公司 一种楔横轧件的加工装置及其方法
CN107497856A (zh) * 2017-08-30 2017-12-22 广东冠邦科技有限公司 管坯连续轧制的方法及设备
CN110449466B (zh) * 2018-05-08 2020-11-20 宝武特种冶金有限公司 一种降低无缝钢管冷轧机芯棒弯曲的方法
CN108637024A (zh) * 2018-06-19 2018-10-12 广东海亮铜业有限公司 一种连续喂进上料机构
CN114054506A (zh) * 2020-08-06 2022-02-18 江苏兴荣高新科技股份有限公司 一种行星轧管机连续轧制铜管的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2080943B1 (fr) * 1970-01-30 1974-02-15 Mannesmann Ag
DE3220921A1 (de) * 1982-06-03 1983-12-08 Kocks Technik Gmbh & Co, 4010 Hilden Walzwerksanlage mit einem planetenschraegwalzwerk
DE3432014A1 (de) * 1984-08-31 1986-03-06 Alfred 4670 Lünen Schaffrin Kaltpilger-walzverfahren
DE3533119A1 (de) * 1985-09-17 1987-03-26 Kocks Technik Schraegwalzgeruest zum walzen von hohlbloecken
DE3808681C1 (en) * 1988-03-11 1988-11-10 Mannesmann Ag, 4000 Duesseldorf, De Turning and feed device on cold-pilger rolling plants for reducing tube blanks or the like
DE3823134C1 (en) * 1988-07-05 1989-04-20 Mannesmann Ag, 4000 Duesseldorf, De Method and apparatus for the production of tubes by the cold-pilger method
DE3905559A1 (de) * 1989-02-23 1990-08-30 Esw Roehrenwerke Gmbh Schraegwalzwerk zur herstellung von nahtlosen rohren

Also Published As

Publication number Publication date
JP2002028704A (ja) 2002-01-29
ES2249382T3 (es) 2006-04-01
CN1234475C (zh) 2006-01-04
US6497129B2 (en) 2002-12-24
EP1166907A3 (fr) 2004-02-11
AU5190201A (en) 2001-12-20
US20020020201A1 (en) 2002-02-21
CN1328886A (zh) 2002-01-02
EP1166907A2 (fr) 2002-01-02
CA2350358A1 (fr) 2001-12-14
ATE311263T1 (de) 2005-12-15
AU775845B2 (en) 2004-08-19
DE50108219D1 (de) 2006-01-05

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