EP1433543B1 - Agencement de cylindres pour un laminoir - Google Patents
Agencement de cylindres pour un laminoir Download PDFInfo
- Publication number
- EP1433543B1 EP1433543B1 EP03025515A EP03025515A EP1433543B1 EP 1433543 B1 EP1433543 B1 EP 1433543B1 EP 03025515 A EP03025515 A EP 03025515A EP 03025515 A EP03025515 A EP 03025515A EP 1433543 B1 EP1433543 B1 EP 1433543B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- roller
- roller shaft
- shaft
- mechanism according
- 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
Links
- 238000005096 rolling process Methods 0.000 title claims abstract description 14
- 210000000078 claw Anatomy 0.000 description 7
- 238000005452 bending Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000010792 warming 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
- 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
- B21B31/00—Rolling stand structures; Mounting, adjusting, or interchanging rolls, roll mountings, or stand frames
- B21B31/08—Interchanging rolls, roll mountings, or stand frames, e.g. using C-hooks; Replacing roll chocks on roll shafts
Definitions
- the invention relates to a roller assembly for a rolling mill, in particular for a planetary cross rolling mill, having a roller shaft arranged on a roll, which is detachably connected to the roller shaft, wherein between the roller shaft and roller means for positively transferring a drive torque from the roller shaft to the roller are arranged.
- rollers with a conical outer contour must be arranged on a roller shaft, that a reliable introduction of the drive torque from the roller shaft to the roller is possible, however, a change of the roller can be made.
- Another solution provides to make the attachment on the frontal claws on the key principle, which are held by a central screw in the roller.
- the production of the claws is relatively expensive.
- four evenly distributed over the circumference arranged claws are used, however, usually not uniformly wear, which is due to manufacturing tolerances. This results in a high wear or overloading of the bearing surfaces.
- the bending forces continue to be absorbed by two short cylindrical seats. The roller sits very firmly on these seats and must therefore be warmed up during assembly. It is particularly disadvantageous that the disassembly is difficult because of the tight fit of the roller; It must be removed immediately after the machine has stopped while still warm.
- it has been found in the use of the jaw attachment that the bending forces wear the cylindrical seats on the roll shaft very quickly. Due to the relatively complicated production of the claws, the roller is finally very expensive as a wearing part.
- the invention is therefore the object of developing a roller assembly of the generic type such that the above disadvantages can be avoided.
- optimum transmission of the torque and bending load in rolling operation and a simple roll change are to be possible; the parts required for the roller arrangement, in particular the roller, should continue to be inexpensive to produce.
- the means for the positive transmission of the drive torque consist of a first toothed ring which is rotatably connected to the roller shaft, and a second toothed ring which is rotatably connected to the roller, wherein the two toothed rings axial teeth have mutual positive engagement.
- the toothed rings are each arranged in the axial end region of the roller shaft or roller.
- the teeth of the toothed rings may be formed as a straight toothing; in particular, a splined tooth according to DIN 5480 comes into question.
- At least one of the toothed rings can be arranged rotatably in accordance with a further development by means of pins on the roller shaft or on the roller. It is advantageously provided that the axis of the pins is arranged parallel to the axis of the roller shaft or roller.
- a further advantageous measure provides that the roller is arranged on the roller shaft via a conical centering.
- the conical centering has a length which is at least 30% of the axial extent of the roller.
- the roller can be connected by means of a screw connection with the roller shaft.
- the screw connection preferably consists of a single screw which is arranged coaxially to the roller or roller shaft.
- roller does not have to be drawn off warm, since the conical seat on the roller shaft is not self-locking. Similarly, no warming of the roller is required when mounting the roller. The roll change is further facilitated by the fact that no tool (hydraulic puller) is needed.
- the roller as a wearing part has a very simple contour and can therefore be produced cost-effectively. It is also cost-reducing that the existing toothed rings can be reused for new rolls.
- the roller assembly 1 has a roller shaft 2 which can rotate about a rotation axis D. At one axial end of the roller shaft 2 (in the figure at the right end), a roller 3 is fixed. The centering of the roller 3 to the roller shaft 2 via a conical centering 9, d. H. via a conical seat, which connects the two components. The determination of the roller 3 on the roller shaft 2 via a screw 10, which is formed in the present case as a single screw whose axis is identical to the axis of rotation D.
- the length L of the conical centering 9 extends over a substantial part of the total axial extent L 0 of the roller 3.
- the length L of the conical centering 9 should be be at least 30% of the axial extent L 0 of the roller 3. This ensures that the bending forces of the roller 3 are absorbed by the roller shaft 2 through the relatively long conical seat.
- means 4 for positively transmitting the drive torque from the roller shaft 2 to the roller 3 are provided.
- These means 4 consist of two toothed rings 5 and 6. These two toothed rings 5, 6 are designed so that they transmit the torque in the cooperating state via a plurality of teeth.
- a splined toothing according to DIN 5480 is used.
- the first toothed ring 5 is non-rotatably arranged on the roller shaft 2, while the second toothed ring 6 is secured against rotation on the roller 3.
- the definition of the toothed rings 5, 6 takes place in each case with pins 7, 8, of which a certain number are distributed over the circumference of the toothed rings 5, 6.
- the axis of the pins 7, 8 is aligned parallel to the axis of rotation D.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
- Crushing And Grinding (AREA)
Claims (10)
- Dispositif à cylindre (1) pour laminoir, notamment pour laminoir oblique planétaire, comportant un cylindre (3) disposé sur un arbre à cylindre (2) et relié de manière dissociable à l'arbre à cylindre (2), dans lequel, entre l'arbre à cylindre (2) et le cylindre (3), sont disposés des moyens (4) de transmission par correspondance géométrique d'un couple de rotation de propulsion depuis l'arbre à cylindre (2) vers le cylindre (3),
caractérisé en ce que
les moyens (4) de transmission par correspondance géométrique du couple de rotation de propulsion sont composés d'un premier anneau denté (5) qui est relié de manière fixe en rotation à l'arbre à cylindre (2) ainsi que d'un deuxième anneau denté (6) qui est relié de manière fixe en rotation au cylindre (3), les deux anneaux dentés (5, 6) présentant des dents axiales pour permettre leur engrènement réciproque par correspondance géométrique. - Dispositif à cylindre selon la revendication 1,
caractérisé en ce que
les anneaux dentés (5, 6) sont disposés respectivement dans la zone terminale axiale de l'arbre à cylindre (2) ou du cylindre (3). - Dispositif à cylindre selon la revendication 1 ou 2,
caractérisé en ce que
les dents des anneaux dentés (5, 6) sont réalisées sont forme d'une denture droite. - Dispositif à cylindre selon une des revendications 1 à 3,
caractérisé en ce que
au moins un des anneaux dentés (5, 6) est disposé de manière fixe en rotation au moyen de chevilles (7, 8) sur l'arbre à cylindre (2) ou sur le cylindre (3). - Dispositif à cylindre selon la revendication 4,
caractérisé en ce que
l'axe des chevilles (7, 8) est disposé parallèlement à l'axe de l'arbre à cylindre (2) ou du cylindre (3). - Dispositif à cylindre selon une des revendications 1 à 5,
caractérisé en ce que
le cylindre (3) est posé grâce à un centreur conique (9) sur l'arbre à cylindre (2). - Dispositif à cylindre selon la revendication 6,
caractérisé en ce que
le centreur conique (9) a une longueur (L) qui représente au moins 30 % de l'extension radiale (L0) du cylindre (3). - Dispositif à cylindre selon une des revendications 1 à 7,
caractérisé en ce que
le cylindre (3) est relié au moyen d'un raccordement vissé (10) à l'arbre à cylindre (2). - Dispositif à cylindre selon la revendication 8,
caractérisé en ce que
le raccordement vissé (10) est composé d'une seule vis qui est disposée coaxialement par rapport au cylindre (3) ou à l'arbre à cylindre (2). - Dispositif à cylindre selon une des revendications 1 à 9,
caractérisé en ce que,
entre le cylindre (3) et l'arbre à cylindre (2), est disposé un joint (11).
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10261057A DE10261057A1 (de) | 2002-12-24 | 2002-12-24 | Walzenanordnung für ein Walzwerk |
DE10261057 | 2002-12-24 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1433543A1 EP1433543A1 (fr) | 2004-06-30 |
EP1433543B1 true EP1433543B1 (fr) | 2006-06-21 |
Family
ID=32404291
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03025515A Expired - Lifetime EP1433543B1 (fr) | 2002-12-24 | 2003-11-07 | Agencement de cylindres pour un laminoir |
Country Status (7)
Country | Link |
---|---|
US (1) | US7024899B2 (fr) |
EP (1) | EP1433543B1 (fr) |
JP (1) | JP3774458B2 (fr) |
KR (1) | KR100562218B1 (fr) |
CN (1) | CN1263559C (fr) |
AT (1) | ATE330722T1 (fr) |
DE (2) | DE10261057A1 (fr) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2547188C (fr) * | 2003-12-01 | 2010-12-14 | Sms Demag Aktiengesellschaft | Dispositif d'entrainement d'enrouleuse avec rouleaux d'entrainement pourvus d'une enveloppe coulee |
SA08290562B1 (ar) * | 2007-09-12 | 2011-08-10 | ريبس زينتر الشميرتيكنيك جي ام بي اتش | حامل مدلفنة لدلفنة شرائط فلزية ومدلفنة أو أسطوانة لحامل مدلفنة من هذا النوع |
US9375718B2 (en) * | 2011-10-18 | 2016-06-28 | Diamond Power International, Inc. | Shaft-to-roller attachment for clinker grinder roller |
DE102012012293B4 (de) | 2012-06-20 | 2017-10-26 | Sms Group Gmbh | Vorrichtung zum Umformen eines Werkstücks |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3388578A (en) * | 1966-01-28 | 1968-06-18 | Morgan Construction Co | Roll stand for a rolling mill |
DE2009867C3 (de) * | 1970-03-03 | 1978-08-03 | Schloemann-Siemag Ag, 4000 Duesseldorf | Walzkopf mit gegen die Walzgutachse geneigt fliegend gelagerten Walzen |
JPS57715A (en) | 1980-05-31 | 1982-01-05 | Tokyo Juki Ind Co Ltd | Controller for stop of sewing machine |
DE3043937A1 (de) * | 1980-11-21 | 1982-07-22 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Kegelwalzen eines planeten-schraegwalzwerks |
JPS58119406A (ja) * | 1982-01-05 | 1983-07-15 | Kawasaki Heavy Ind Ltd | 遊星型傾斜ロ−ル圧延機の円錐ロ−ル取付部 |
DE3229201A1 (de) * | 1982-08-05 | 1984-02-09 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Kegelwalze eines planeten-schraegwalzwerks |
DE3229211A1 (de) * | 1982-08-05 | 1984-02-09 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Walzkopf eines planeten-schraeg-walzwerks |
DE3230701A1 (de) * | 1982-08-18 | 1984-02-23 | SMS Schloemann-Siemag AG, 4000 Düsseldorf | Walzkopf eines planeten-schraegwalzwerks |
US4579289A (en) * | 1983-11-07 | 1986-04-01 | Eschweiler Bergwerks-Verein Aktiengesellschaft | Skew roller for a planetary type skew rolling mill |
FR2561950B1 (fr) * | 1984-03-28 | 1987-11-13 | Vallourec | Procede de reglage d'un laminoir a cylindres obliques et laminoir pour la mise en oeuvre de ce procede |
DE9014728U1 (fr) * | 1990-10-24 | 1992-02-20 | Kark, Uwe, 2104 Hamburg, De | |
US5934131A (en) * | 1998-08-10 | 1999-08-10 | Morgan Construction Company | Overhung roll assembly |
FI116413B (fi) * | 2001-05-31 | 2005-11-15 | Metso Drives Oy | Käyttövaihteiston ja telan välinen rakenne |
-
2002
- 2002-12-24 DE DE10261057A patent/DE10261057A1/de not_active Withdrawn
-
2003
- 2003-08-01 KR KR1020030053472A patent/KR100562218B1/ko not_active IP Right Cessation
- 2003-09-04 CN CNB031554555A patent/CN1263559C/zh not_active Expired - Fee Related
- 2003-11-07 DE DE50303935T patent/DE50303935D1/de not_active Expired - Lifetime
- 2003-11-07 EP EP03025515A patent/EP1433543B1/fr not_active Expired - Lifetime
- 2003-11-07 AT AT03025515T patent/ATE330722T1/de not_active IP Right Cessation
- 2003-12-22 JP JP2003424912A patent/JP3774458B2/ja not_active Expired - Fee Related
- 2003-12-22 US US10/743,548 patent/US7024899B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US7024899B2 (en) | 2006-04-11 |
JP3774458B2 (ja) | 2006-05-17 |
EP1433543A1 (fr) | 2004-06-30 |
KR20040057891A (ko) | 2004-07-02 |
KR100562218B1 (ko) | 2006-03-22 |
DE50303935D1 (de) | 2006-08-03 |
CN1263559C (zh) | 2006-07-12 |
DE10261057A1 (de) | 2004-07-22 |
JP2004202580A (ja) | 2004-07-22 |
CN1509824A (zh) | 2004-07-07 |
US20040144148A1 (en) | 2004-07-29 |
ATE330722T1 (de) | 2006-07-15 |
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