EP1166907A2 - Verfahren zum Walzen von Rohrluppen in einem Planetenschrägwalzwerk - Google Patents
Verfahren zum Walzen von Rohrluppen in einem Planetenschrägwalzwerk Download PDFInfo
- Publication number
- EP1166907A2 EP1166907A2 EP01250193A EP01250193A EP1166907A2 EP 1166907 A2 EP1166907 A2 EP 1166907A2 EP 01250193 A EP01250193 A EP 01250193A EP 01250193 A EP01250193 A EP 01250193A EP 1166907 A2 EP1166907 A2 EP 1166907A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- tube blank
- tube
- rolling
- feed
- rotation
- 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
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 8
- 238000005259 measurement Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Images
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 rolling mill is known from DE 33 04 002 C1, with two feed slides equipped with chucks. Each of these feed slides is arranged by two parallel and on both sides of the rolling line feed spindles in the Spindle nuts arranged in the feed carriage are moved. This arrangement of the feed spindles enables a moment-free introduction of force into the feed slide as well as a continuous advancement of the billet and thus a continuous rolling operation.
- a cold pilger rolling mill is known from DE 29 22 941 C2, in which the first feed carriage provided with a device for grasping the end of the slug when feeding is.
- the second feed carriage is a device for withdrawing the slug against the feed direction behind the mandrel abutment assigned to the first gearbox assigned.
- the feed path of the second feed carriage is dimensioned so that the slug advanced by him at the end of the feed stroke with her in the rolling direction front end between the scaffolding and the driving device of the first Feed carriage. This design or arrangement also enables continuous Feed of the tube blanks to be rolled.
- the speed of the rotor and the rotor would not be sufficient To change rollers against each other, but it would also have the position of the rollers to Pipe blanks and to be adapted to the pipe. This can be done with a running machine but do not perform. In most cases, the tube blank will be in one rotate in an undetermined direction and at an undetermined angular velocity.
- the invention is based on the object, taking into account the special Peculiarities of this rolling process, the performance of the planetary diagonal rolling mill increase.
- this object is achieved in that the feed of the rolls to be rolled Pipe blanks in the roll gap is carried out continuously in abutment, each of which in the Rolling gap located tube blank subsequent tube blank with one of the torsion corresponding rotation under the rolls of the tube end corresponding rotation is advanced.
- FIGS 1 and 2 show schematically the structure of the system.
- the device according to the invention is shown in FIG. 1.
- the planetary cross roll mill 1 consists of the rotor 2 and the rollers 3 located therein, of which only one is drawn.
- the rotor 2 is driven via the shaft journal 4, the rollers 3 over the shaft journal 5.
- a mandrel bar 6 as an internal tool, which with their notches 7 and 8 in the two holding devices 9 and 1 0.
- These holding devices 9, 10 are in a fixed position, but are by hand or motorized adjustment mechanism, which is not specifically shown, in the axial Direction of the mandrel rod 6 adjustable.
- Electromotive or hydraulically adjustable clamping jaws 11 and 12 which are closed Condition clamp the mandrel rod 6 and against axially occurring, from the roll gap secure originating forces.
- the jaws 11, 12 are freely rotatable to the undetermined rotation of the mandrel rod 6 not resulting from the rolling process. If the mandrel rod 6 could not rotate freely, the rolling process could be disturbed and cause 18 errors on the pipe.
- the two feed devices 13 and 14 are arranged e.g. by means of hydraulic cylinders, not shown in Longitudinal direction of the mandrel rod 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 tube blank joint by means of a synchronizer, not shown, at the same speed brought to an exact advance of the abutting pipe blanks 17 and 19 to ensure.
- the feed devices 13, 14 are also with motor-adjustable clamping jaws 15 and 16 equipped, which alternately clamp the tube blank 17.
- These jaws 15, 16 are also freely rotatable because the tube blank 17 through the Rolling process is set in an undetermined rotation, which does not change with the speed of the Mandrel rod 6 must match.
- the jaws 15, 16 with a Equipped switchable rotary drive, not shown, which the tube blank 17 specifically in Can offset rotation if the course of the rolling process requires it. It is alternative possible to open the jaws 15, 16 during rolling and by the hydraulic cylinders to exert no feed force on the tube blank 17, because the feed also through the rolling process itself can be generated, because this is with cross rolling processes possible.
- the tube blank 17 extends through the entire rolling mill and emerges behind the rollers 3 as tube 18, the rolling direction being 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 in preparation.
- the tube blanks are advanced by the driving devices 21, 22, 23 and 24.
- the system works as follows: In the position shown in FIG the rolling process started.
- the tube blank 17 is located with its head in the roll gap between the rollers 3 and leaves the planetary cross-rolling mill 1 as a tube 18 in the direction of the arrow, while the rotor 2 rotates around the tube 18.
- the jaws 11 of the Holding device 9 are closed and keep the mandrel rod 6 free in the notch 7 rotating tight.
- the feed devices 13 and 14 push the in hand-to-hand operation Rohrluppe 17 before, the jaws 15 and 16 are closed on the preliminary stroke and advance the tube blank freely rotating, open on the return stroke or at least open be depressurized.
- the driver 21 is in the open position.
- the clamping jaws 12 of the holding device 10 are open and a tube blank 19 has been created through the driving devices 22 and 23 in the direction of the arrow onto the rear end of the mandrel bar 6 postponed.
- Another tube blank 20 is on hold and is to the correct time advanced by the driver 24.
- Fig. 2 shows the rolling process in a more advanced stage.
- the blow 25 between the tube blanks 17 and 19 is located just before the planetary cross rolling mill 1, that is, the tube blank 17 is advanced by the tube blank 19, the Tube blank 19 is located in the area of the holding device 9.
- the jaws 11 are opened and the jaws 12 of the holding device 10 closed.
- Rohrluppe 19 is advanced by the feed devices 13 and 14 in the rolling direction and all Drivers 21 to 24 are in the open position.
- the tube blank 20 is now pushed in and it a phase according to FIG. 1 begins again.
- a freely rotatable plate can also be provided be who puts on the back end of the following bob. But then this must have a central opening to push a new slug through the plate to allow through.
- the plate with the clamping jaws is provided to grasp and forcibly rotate and advance, with rotation and feed speed correspond approximately to the rotation and feed speed that is exerted on the blank by the rolling stand.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Metal Rolling (AREA)
- Metal Rolling (AREA)
- Forging (AREA)
Abstract
Description
Die zu walzende Rohrluppe wird dabei in Richtung auf das hin- und hergehende Walzgerüst schrittweise durch angetriebene Vorschubschlitten vorgeschoben. Außerdem wird die Rohrluppe durch angetriebene Ein- und Auslaufspannfutter, die vor und hinter dem Walzgerüst angebracht sind, während des Vorschubes schrittweise gedreht.
Vorgeschoben werden die Rohrluppen durch die Treibapparate 21, 22, 23 und 24.
- 1
- Planetenschrägwalzwerk
- 2
- Rotor
- 3
- Walze
- 4
- Wellenzapfen
- 5
- Wellenzapfen
- 6
- Domstange
- 7
- Einkerbung
- 8
- Einkerbung
- 9
- Halteeinrichtung
- 10
- Halteeinrichtung
- 11
- Spannbacken
- 12
- Spannbacken
- 13
- Vorschubeinrichtung
- 14
- Vorschubeinrichtung
- 15
- Klemmbacken
- 16
- Klemmbacken
- 17
- Rohrluppe
- 18
- Rohr
- 19
- Rohrluppe
- 20
- Rohrluppe
- 21
- Treibapparat
- 22
- Treibapparat
- 23
- Treibapparat
- 24
- Treibapparat
- 25
- Luppenstoß
Claims (8)
- Verfahren zum Walzen von Rohrluppen in einem Planetenschrägwalzwerk,
dadurch gekennzeichnet, dass die Zuführung der zu walzenden Rohrluppen in den Walzspalt kontinuierlich Stoß an Stoß erfolgt, wobei die jeweils der im Walzspalt befindlichen Rohrluppe nachfolgende Rohrluppe mit einer der durch die Torsion unter den Walzen bedingten Drehung des Rohrluppenendes entsprechenden Drehung vorgeschoben wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die Drehung der nachfolgenden Rohrluppe durch Reibschluß über die Drehung des Endes der im Walzspalt befindlichen Rohrluppe erfolgt. - Verfahren nach einem der vorstehenden Ansprüche,
dadurch gekennzeichnet, dass die nachfolgende Rohrluppe während des Vorschiebens frei drehbar gelagert ist. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, dass die nachfolgende Rohrluppe zwangsweise gedreht und vorgeschoben wird, wobei die Dreh - und Vorschubrate der Drehung und Vorschubgeschwindigkeit entspricht, die durch das Walzgerüst auf die im Walzspalt befindliche Rohrluppe ausgeübt wird. - Einrichtung zum Zuführen von Rohrluppen in ein Planetenschrägwalzwerk, in dem eine Rohrluppe über ein im Walzspalt ortsfest gehaltenes Innenwerkzeug (6) auswalzbar ist, mit einer ersten und einer im axialen Abstand hiervon angeordneten zweiten Halteeinrichtung (11,12) für die Dornstange (6), die unabhängig voneinander radial an die Dornstange (6) anstellbar sind,sowie einer ersten und einer zweiten Vorschubeinrichtung (13,14) für die Rohrluppen (17), die unabhängig voneinander radial an die Rohrluppen anstellbar und mit dieser in Vorschubrichtung bzw. entgegen dieser verschiebbar sind,sowie einer Vorrichtung (22,23) zum Aufschieben einer neuen Rohrluppe auf das hintere Ende der in Walzposition gehaltenen Dornstange (6) während des Walzens einer vorhergehenden Rohrluppe,wobei die Bewegung der Halteeinrichtungen (11,12) und der Vorschubeinrichtungen (13,14) derart aufeinander abstellbar sind, dass das hintere Ende der vorhergehenden und das vordere Ende der nachfolgenden Rohrluppe Stoß an Stoß dem Walzspalt zuführbar sind.
- Einrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass die Vorschubeinrichtung (13,14) um die Rohrluppenlängsachse frei drehbar gelagerte Spannfutter (15,16) aufweist. - Einrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass die Halteeinrichtung (11,12) für die Dornstange um die Dornstangenlängsachse frei drehbar gelagert ist. - Einrichtung nach Anspruch 5,
dadurch gekennzeichnet, dass die Spannbacken (15,16) der Vorschubeinrichtung (13,14) um die Rohrluppenachse angetrieben drehbar angeordnet sind.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10029114 | 2000-06-14 | ||
DE10029114 | 2000-06-14 | ||
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 |
DE10126411 | 2001-05-22 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1166907A2 true EP1166907A2 (de) | 2002-01-02 |
EP1166907A3 EP1166907A3 (de) | 2004-02-11 |
EP1166907B1 EP1166907B1 (de) | 2005-11-30 |
Family
ID=26006066
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01250193A Expired - Lifetime EP1166907B1 (de) | 2000-06-14 | 2001-05-31 | Verfahren zum Walzen von Rohrluppen in einem Planetenschrägwalzwerk |
Country Status (9)
Country | Link |
---|---|
US (1) | US6497129B2 (de) |
EP (1) | EP1166907B1 (de) |
JP (1) | JP2002028704A (de) |
CN (1) | CN1234475C (de) |
AT (1) | ATE311263T1 (de) |
AU (1) | AU775845B2 (de) |
CA (1) | CA2350358A1 (de) |
DE (1) | DE50108219D1 (de) |
ES (1) | ES2249382T3 (de) |
Families Citing this family (14)
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 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3432014A1 (de) * | 1984-08-31 | 1986-03-06 | Alfred 4670 Lünen Schaffrin | Kaltpilger-walzverfahren |
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 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2080943B1 (de) * | 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 |
DE3533119A1 (de) * | 1985-09-17 | 1987-03-26 | Kocks Technik | Schraegwalzgeruest zum walzen von hohlbloecken |
-
2001
- 2001-05-31 AT AT01250193T patent/ATE311263T1/de not_active IP Right Cessation
- 2001-05-31 EP EP01250193A patent/EP1166907B1/de not_active Expired - Lifetime
- 2001-05-31 DE DE50108219T patent/DE50108219D1/de not_active Expired - Lifetime
- 2001-05-31 ES ES01250193T patent/ES2249382T3/es not_active Expired - Lifetime
- 2001-06-12 CA CA002350358A patent/CA2350358A1/en not_active Abandoned
- 2001-06-13 US US09/880,362 patent/US6497129B2/en not_active Expired - Lifetime
- 2001-06-13 AU AU51902/01A patent/AU775845B2/en not_active Ceased
- 2001-06-14 JP JP2001179670A patent/JP2002028704A/ja active Pending
- 2001-06-14 CN CN01121276.4A patent/CN1234475C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3432014A1 (de) * | 1984-08-31 | 1986-03-06 | Alfred 4670 Lünen Schaffrin | Kaltpilger-walzverfahren |
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 |
---|---|
EP1166907A3 (de) | 2004-02-11 |
ES2249382T3 (es) | 2006-04-01 |
ATE311263T1 (de) | 2005-12-15 |
CN1328886A (zh) | 2002-01-02 |
CA2350358A1 (en) | 2001-12-14 |
EP1166907B1 (de) | 2005-11-30 |
US6497129B2 (en) | 2002-12-24 |
US20020020201A1 (en) | 2002-02-21 |
AU775845B2 (en) | 2004-08-19 |
DE50108219D1 (de) | 2006-01-05 |
JP2002028704A (ja) | 2002-01-29 |
AU5190201A (en) | 2001-12-20 |
CN1234475C (zh) | 2006-01-04 |
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