EP0941778A2 - Bar or wire rod mill with a roughing train, an intermediate train and a multiple-stand finishing block - Google Patents
Bar or wire rod mill with a roughing train, an intermediate train and a multiple-stand finishing block Download PDFInfo
- Publication number
- EP0941778A2 EP0941778A2 EP99104160A EP99104160A EP0941778A2 EP 0941778 A2 EP0941778 A2 EP 0941778A2 EP 99104160 A EP99104160 A EP 99104160A EP 99104160 A EP99104160 A EP 99104160A EP 0941778 A2 EP0941778 A2 EP 0941778A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- stands
- drive
- drive shafts
- train
- individual
- 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.)
- Withdrawn
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 7
- 239000010959 steel Substances 0.000 claims description 7
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims 1
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000002860 competitive effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B1/00—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations
- B21B1/16—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section
- B21B1/18—Metal-rolling methods or mills for making semi-finished products of solid or profiled cross-section; Sequence of operations in milling trains; Layout of rolling-mill plant, e.g. grouping of stands; Succession of passes or of sectional pass alternations for rolling wire rods, bars, merchant bars, rounds wire or material of like small cross-section in a continuous process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
-
- 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
- B21B13/005—Cantilevered roll stands
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/02—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills
- B21B35/04—Drives for metal-rolling mills, e.g. hydraulic drives for continuously-operating mills each stand having its own motor or motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B35/00—Drives for metal-rolling mills, e.g. hydraulic drives
- B21B35/12—Toothed-wheel gearings specially adapted for metal-rolling mills; Housings or mountings therefor
Definitions
- the present invention relates to a fine steel or Wire mill with a multi-stand roughing mill, one multi-stand intermediate street and one of 6 or 8 or 10 Roll stands equipped with a common drive Finished block.
- Prefabricated blocks usually consist of six, eight or ten Roll stands with a common drive. That’s why Speed ratios of the scaffolds with each other and with it the acceptance of the individual scaffolding.
- a modern fine steel or wire mill is to be designed that they meet current requirements Performance and product quality. From It is of existential importance to be an international to produce a competitive end product. This includes u. a. Compliance with tolerances of up to ⁇ 0.1 mm in the wire area and a high degree of flexibility when converting the Rolling program.
- DE-0 114 793 A2 discloses a roll block for high Speeds with, for example, 8 H / V stands, which to drive four groups each by two Helical gear units in kinematic connection Drive units with one engine each are assigned.
- the invention is the Task based on a constructive design of a Specify finished blocks with which the acceptance of the last two stitches can be varied so that one hand different finished dimensions of a rolled product with the rolled the same initial cross section of the upstream stands can be, and which on the other hand enables one with Cross-sectional differences emerging from the intermediate street Rolled stock in compliance with strict cross-sectional end tolerances finish rolling.
- One embodiment provides that the drive shafts of the individual drive units with the longitudinal drive shafts cross drive shafts crossing the group drive trained and over similar bevel gear with a each individually drivable roller can interact are kinematically connected.
- An embodiment essential to the invention further provides that each of the individually driven scaffolds individual drive unit, each comprising one motor, one individual gear unit and an adapter gear assigned.
- FIG. 2 shows purely schematically a rolling mill with a Billet furnace (1), a compensating furnace (2), scissors (3), a roughing mill (4) with four H / V stands (20), followed by a water tank (5) and a downstream intermediate street (6) with six individual scaffolds (21), each with separate Drive units, and this is followed by a finished block (7).
- This has eight stands (22) in arrangement with one common drive unit.
- the scaffolding (22) in Finished block (7) are arranged after two stands (23) and (24) available and according to the invention each with a Single drive (9) or (10) equipped.
- Figure 3 shows an enlarged view of the finished block (7) with the two downstream stands (23) and (24) each with a single drive (9) or (10) with their horizontal drive shafts (13) or (13 '). These cross the Longitudinal drive shafts (27, 28), which the group drive (8) of the finished block (7) are assigned.
- everyone is the one last two stands (23) and (24) an individual motor (14, 14 '), further a bevel gear unit (30, 31) and an adapter gear (12, 12 ') assigned.
- the structural design of the scaffolding (23) or (24) is in Figures 4a and 4b shown in detail. Own them preferably horizontally arranged drive shafts (13) and (13 '), which with similar bevel gear (30, 31) an individually drivable roller (32, 33) cooperatively kinematically connected.
- the driven one Rollers (32, 33) are rotating rollers (32 ', 33') in themselves assigned in a known manner.
Abstract
Description
Die vorliegende Erfindung betrifft eine Feinstahl- oder Drahtstraße mit einer mehrgerüstigen Vorstraße, einer mehrgerüstigen Zwischenstraße und einem aus 6 oder 8 oder 10 Walzgerüsten mit einem gemeinsamen Antrieb ausgerüsteten Fertigblock.The present invention relates to a fine steel or Wire mill with a multi-stand roughing mill, one multi-stand intermediate street and one of 6 or 8 or 10 Roll stands equipped with a common drive Finished block.
Fertigblöcke bestehen üblicherweise aus sechs, acht oder zehn Walzgerüsten mit einem gemeinsamen Antrieb. Dadurch sind die Drehzahlverhältnisse der Gerüste untereinander festgelegt und damit auch die Abnahmen der einzelnen Gerüste.Prefabricated blocks usually consist of six, eight or ten Roll stands with a common drive. That’s why Speed ratios of the scaffolds with each other and with it the acceptance of the individual scaffolding.
Eine moderne Feinstahl- oder Drahtstraße ist so auszulegen, dass sie den aktuellen Erfordernissen hinsichtlich Leistungsfähigkeit und Produktqualität entspricht. Von existentieller Bedeutung ist es dabei, ein international wettbewerbsfähiges Endprodukt zu erzeugen. Hierzu gehört u. a. im Drahtbereich die Einhaltung von Toleranzen bis zu ± 0,1 mm und ein hohes Maß an Flexibilität bei Umstellungen des Walzprogrammes.A modern fine steel or wire mill is to be designed that they meet current requirements Performance and product quality. From It is of existential importance to be an international to produce a competitive end product. This includes u. a. Compliance with tolerances of up to ± 0.1 mm in the wire area and a high degree of flexibility when converting the Rolling program.
Diesen hohen Anforderungen an das Endprodukt kann nur bei Einsatz modernster Anlagentechnik entsprochen werden. These high demands on the end product can only be met by Use of the latest plant technology can be met.
Die DE-0 114 793 A2 offenbart einen Walzblock für hohe Geschwindigkeiten mit beispielsweise 8 H/V-Gerüsten, welchen zum Antrieb von jeweils vier Gruppen zwei mittels Stirnradgetrieben in kinematischer Verbindung stehende Antriebsaggregate mit je einem Motor zugeordnet sind.DE-0 114 793 A2 discloses a roll block for high Speeds with, for example, 8 H / V stands, which to drive four groups each by two Helical gear units in kinematic connection Drive units with one engine each are assigned.
Ausgehend vom Stand der Technik liegt der Erfindung die Aufgabe zugrunde, eine konstruktive Ausgestaltung eines Fertigblocks anzugeben, mit welcher die Abnahme der letzten beiden Stiche variiert werden kann, so dass einerseits verschiedene Fertigabmessungen eines Walzproduktes mit dem gleichen Ausgangsquerschnitt der vorgeordneten Gerüste gewalzt werden können, und die es andererseits ermöglicht, ein mit Querschnitts-Differenzen aus der Zwischenstraße austretendes Walzgut unter Einhaltung strenger Querschnitts-Endtoleranzen fertigzuwalzen.Based on the prior art, the invention is the Task based on a constructive design of a Specify finished blocks with which the acceptance of the last two stitches can be varied so that one hand different finished dimensions of a rolled product with the rolled the same initial cross section of the upstream stands can be, and which on the other hand enables one with Cross-sectional differences emerging from the intermediate street Rolled stock in compliance with strict cross-sectional end tolerances finish rolling.
Zur Lösung wird mit der Erfindung bei einer Feinstahl- oder
Drahtstraße der im Oberbegriff von Anspruch 1 angegebenen Art
vorgeschlagen, dass zumindest die letzten beiden Walzgerüste
des Fertigblocks mit je einem individuellen Antriebsaggregat
ausgestattet sind und dass die Antriebswellen der
entkoppelbaren letzten beiden Walzgerüste die
Hauptantriebswellen der gekoppelten Gerüste schneiden.To solve the problem with the invention in a fine steel or
Wire mill of the type specified in the preamble of
Dadurch, dass bei einem Fertigblock mit an sich bekanntem Gruppenantrieb der vorhandenen 6, 8 oder 10 Walzgerüste die letzten beiden Gerüste mit je einem individuellen Antriebsaggregat ausgestattet sind, ergibt sich der wesentliche Vorteil, dass die Abnahme der letzten beiden Stiche variiert werden kann, wodurch einerseits verschiedene Fertigabmessungen mit dem gleichen Ausgangsquerschnitt der vorgeordneten Gerüste gewalzt werden können und andererseits mit Querschnitts-Differenzen aus der Zwischenstraße austretendes Walzgut unter Einhaltung strenger Querschnitts-Endtoleranzen fertiggewalzt werden kann.The fact that in a finished block with known Group drive of the existing 6, 8 or 10 roll stands last two scaffolds, each with an individual Drive unit are equipped, the results essential advantage that the decrease in the last two Stitches can be varied, making one different Finished dimensions with the same initial cross section upstream scaffolding can be rolled and on the other hand with cross-sectional differences from the intermediate street emerging rolling stock in compliance with strict Cross-sectional end tolerances can be finish-rolled.
Eine Ausgestaltung sieht vor, dass die Antriebswellen der individuellen Antriebsaggregate mit die Längs-Antriebswellen des Gruppenantriebes kreuzenden Quer-Antriebswellen ausgebildet und über gleichartige Kegelradgetriebe mit einer jeweils individuell antreibbaren Walze zusammenwirkbar kinematisch verbunden sind.One embodiment provides that the drive shafts of the individual drive units with the longitudinal drive shafts cross drive shafts crossing the group drive trained and over similar bevel gear with a each individually drivable roller can interact are kinematically connected.
Dabei ist es im Interesse einer hohen Flexibilität des Walzprogrammes von Vorteil, dass zumindest die individuell antreibbaren Gerüste des Fertigblocks mit Einrichtungen zum Schnellwechseln der Walzen ausgerüstet sind.It is in the interest of a high flexibility of the Rolling program advantageous that at least the individual drivable scaffolding of the finished block with facilities for Quick change of the rollers are equipped.
Eine erfindungswesentliche Ausgestaltung sieht weiterhin vor, dass jedem der individuell antreibbaren Gerüste ein individuelles Antriebsaggregat, umfassend je einen Motor, eine individuelle Getriebe-Einheit und ein Adapter-Getriebe zugeordnet ist.An embodiment essential to the invention further provides that each of the individually driven scaffolds individual drive unit, each comprising one motor, one individual gear unit and an adapter gear assigned.
Weitere Einzelheiten, Merkmale und Vorteile der Erfindung ergeben sich aus der nachstehenden Erläuterung eines in den Zeichnungen schematisch dargestellten Ausführungsbeispieles.Further details, features and advantages of the invention result from the explanation below one in the Drawings schematically illustrated embodiment.
Es zeigen:
- Fig. 1
- ein Diagramm möglicher Stichfolgen,
- Fig. 2
- den Stammbaum einer Walzanlage,
- Fig. 3
- ausschnittweise den Fertigblock aus Fig. 2 mit den beiden letzten Einzelgerüsten,
- Fig. 4a und 4b
- eine konstruktive Verwirklichung von Einzelantrieben an den beiden letzten Gerüsten eines Fertigblocks.
- Fig. 1
- a diagram of possible sequences,
- Fig. 2
- the family tree of a rolling mill,
- Fig. 3
- sections of the finished block from FIG. 2 with the last two individual stands,
- 4a and 4b
- a constructive realization of individual drives on the last two stands of a prefabricated block.
In dem beigefügten Diagramm der Figur 1 sind rein beispielhaft, ausgehend von Austrittsquerschnitten aus der Zwischenstraße, mögliche Stichfolgen in einem Fertigblock mit insgesamt acht gemeinsam angetriebenen Gerüsten, und zwei endständigen Gerüsten mit individuellen Antriebsaggregaten aufgezeichnet. Daraus geht hervor, dass die Abnahme der letzten beiden Stiche in der Weise variiert werden kann, dass verschiedene SOLL-Fertigabmessungen mit dem gleichen oder geringe Unterschiede aufweisenden Ausgangsquerschnitt des Austrittes der Zwischenstraße gewalzt werden können. Auf diese Weise ist es möglich, unter billigender Inkaufnahme des geringen Mehraufwandes der individuellen Antriebseinheiten ein Programm von exakt vorgegebenen Fertig-Abmessungen zu walzen.In the attached diagram of Figure 1 are pure exemplary, starting from outlet cross sections from the Intermediate street, possible stitch sequences in a finished block with a total of eight jointly driven scaffolds, and two terminal scaffolding with individual drive units recorded. It follows that the decrease in last two stitches can be varied in such a way that different target dimensions with the same or starting cross section of the Exit of the intermediate road can be rolled. To this Way, it is possible with the cheap acceptance of the little additional effort of the individual drive units Roll program of precisely specified finished dimensions.
Figur 2 zeigt rein schematisch eine Walzanlage mit einem Knüppelofen (1), einem Ausgleichsofen (2), einer Schere (3), einer Vorstraße (4) mit vier H/V-Gerüsten (20), gefolgt von einem Wasserkasten (5) und einer nachgeordneten Zwischenstraße (6) mit sechs einzelnen Gerüsten (21) mit jeweils separaten Antriebseinheiten, und dieser nachgeordnet einen Fertigblock (7). Dieser weist acht Gerüste (22) in Anordnung mit einem gemeinsamen Antriebsaggregat auf. Den Gerüsten (22) im Fertigblock (7) sind zwei Gerüste (23) bzw. (24) nachgeordnet vorhanden und entsprechend der Erfindung jeweils mit einem Einzelantrieb (9) bzw. (10) ausgestattet.Figure 2 shows purely schematically a rolling mill with a Billet furnace (1), a compensating furnace (2), scissors (3), a roughing mill (4) with four H / V stands (20), followed by a water tank (5) and a downstream intermediate street (6) with six individual scaffolds (21), each with separate Drive units, and this is followed by a finished block (7). This has eight stands (22) in arrangement with one common drive unit. The scaffolding (22) in Finished block (7) are arranged after two stands (23) and (24) available and according to the invention each with a Single drive (9) or (10) equipped.
Figur 3 zeigt in vergrößerter Darstellung den Fertigblock (7) mit den nachgeordneten beiden Gerüsten (23) bzw. (24) mit jeweils einem Einzelantrieb (9) bzw. (10) mit ihren horizontalen Antriebswellen (13) bzw. (13'). Diese kreuzen die Längs-Antriebswellen (27, 28), welche dem Gruppenantrieb (8) des Fertigblockes (7) zugeordnet sind. Dabei ist jedem der letzten beiden Gerüste (23) bzw. (24) ein individueller Motor (14, 14'), weiter eine Kegelrad-Getriebeeinheit (30, 31) sowie ein Adapter-Getriebe (12, 12') zugeordnet.Figure 3 shows an enlarged view of the finished block (7) with the two downstream stands (23) and (24) each with a single drive (9) or (10) with their horizontal drive shafts (13) or (13 '). These cross the Longitudinal drive shafts (27, 28), which the group drive (8) of the finished block (7) are assigned. Everyone is the one last two stands (23) and (24) an individual motor (14, 14 '), further a bevel gear unit (30, 31) and an adapter gear (12, 12 ') assigned.
Die konstruktive Ausbildung der Gerüste (23) bzw. (24) ist in den Figuren 4a und 4b im einzelnen dargestellt. Diese besitzen bevorzugt horizontal angeordnete Antriebswellen (13) und (13'), welche über gleichartige Kegelradgetriebe (30, 31) mit einer jeweils individuell antreibbaren Walze (32, 33) zusammenwirkbar kinematisch verbunden sind. Den angetriebenen Walzen (32, 33) sind mitlaufende Walzen (32', 33') in an sich bekannter Weise zugeordnet.The structural design of the scaffolding (23) or (24) is in Figures 4a and 4b shown in detail. Own them preferably horizontally arranged drive shafts (13) and (13 '), which with similar bevel gear (30, 31) an individually drivable roller (32, 33) cooperatively kinematically connected. The driven one Rollers (32, 33) are rotating rollers (32 ', 33') in themselves assigned in a known manner.
Entsprechend der konstruktiven Ausgestaltung sind die Antriebswellen (13, 13') der individuellen Antriebsaggregate (9, 10) als die Längs-Antriebswellen (27, 28) des gemeinsamen Gruppenantriebes kreuzende Quer-Antriebswellen ausgebildet. Infolge des Antriebs der Längs-Antriebswellen (27, 28) von der Austrittsseite des Fertigblockes (7) her ergibt sich eine kreuzende Zuordnung der Antriebswellen (13, 13') mit den Längs-Antriebswellen (27, 28).According to the design, they are Drive shafts (13, 13 ') of the individual drive units (9, 10) as the longitudinal drive shafts (27, 28) of the common Group drive crossing cross drive shafts formed. As a result of the drive of the longitudinal drive shafts (27, 28) from the The exit side of the finished block (7) results in a crossing assignment of the drive shafts (13, 13 ') with the Longitudinal drive shafts (27, 28).
Claims (4)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19809917 | 1998-03-07 | ||
| DE19809917A DE19809917A1 (en) | 1998-03-07 | 1998-03-07 | Fine steel or wire mill with roughing mill, intermediate mill and multi-stand finishing block |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0941778A2 true EP0941778A2 (en) | 1999-09-15 |
| EP0941778A3 EP0941778A3 (en) | 2002-05-08 |
Family
ID=7860129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP99104160A Withdrawn EP0941778A3 (en) | 1998-03-07 | 1999-03-02 | Bar or wire rod mill with a roughing train, an intermediate train and a multiple-stand finishing block |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US6029492A (en) |
| EP (1) | EP0941778A3 (en) |
| JP (1) | JPH11285704A (en) |
| DE (1) | DE19809917A1 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992915A (en) * | 1975-04-21 | 1976-11-23 | Birdsboro Corporation | Rolling mill |
| EP0114793A2 (en) * | 1983-01-25 | 1984-08-01 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | High speed rolling block |
| DE3317635A1 (en) * | 1983-05-14 | 1984-11-15 | Fried. Krupp Gmbh, 4300 Essen | Hot-rolling method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2002266A (en) * | 1934-09-29 | 1935-05-21 | Charles A Kral | Method of rolling strip material |
| US2972916A (en) * | 1958-06-13 | 1961-02-28 | Morgan Construction Co | Rolling mill drive |
| DE3026129A1 (en) * | 1980-07-10 | 1982-02-04 | Erwin Kampf Gmbh & Co Maschinenfabrik, 5276 Wiehl | METAL TAPE RACKING SYSTEM |
| DE4232685A1 (en) * | 1992-09-29 | 1994-03-31 | Siemens Ag | Device for regulating the speeds of the rolls of a rolling mill |
-
1998
- 1998-03-07 DE DE19809917A patent/DE19809917A1/en not_active Withdrawn
-
1999
- 1999-03-02 JP JP11054625A patent/JPH11285704A/en not_active Withdrawn
- 1999-03-02 EP EP99104160A patent/EP0941778A3/en not_active Withdrawn
- 1999-03-06 US US09/263,584 patent/US6029492A/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3992915A (en) * | 1975-04-21 | 1976-11-23 | Birdsboro Corporation | Rolling mill |
| EP0114793A2 (en) * | 1983-01-25 | 1984-08-01 | DANIELI & C. OFFICINE MECCANICHE S.p.A. | High speed rolling block |
| DE3317635A1 (en) * | 1983-05-14 | 1984-11-15 | Fried. Krupp Gmbh, 4300 Essen | Hot-rolling method |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11285704A (en) | 1999-10-19 |
| US6029492A (en) | 2000-02-29 |
| EP0941778A3 (en) | 2002-05-08 |
| DE19809917A1 (en) | 1999-09-09 |
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