EP0876856A2 - Hochleistungs-Drahtwalzwerk - Google Patents
Hochleistungs-Drahtwalzwerk Download PDFInfo
- Publication number
- EP0876856A2 EP0876856A2 EP98108138A EP98108138A EP0876856A2 EP 0876856 A2 EP0876856 A2 EP 0876856A2 EP 98108138 A EP98108138 A EP 98108138A EP 98108138 A EP98108138 A EP 98108138A EP 0876856 A2 EP0876856 A2 EP 0876856A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- rolling mill
- wire
- section
- winding
- mill according
- 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 38
- 238000001816 cooling Methods 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 16
- 238000004519 manufacturing process Methods 0.000 claims abstract description 14
- 238000005266 casting Methods 0.000 claims abstract description 11
- 238000004804 winding Methods 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 4
- 229910001294 Reinforcing steel Inorganic materials 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000007257 malfunction Effects 0.000 claims description 3
- 230000008439 repair process Effects 0.000 claims description 2
- 230000003442 weekly effect Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims 1
- 238000009749 continuous casting Methods 0.000 abstract description 3
- 238000009434 installation Methods 0.000 abstract description 3
- 238000009499 grossing Methods 0.000 abstract 1
- 230000008901 benefit Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010791 quenching Methods 0.000 description 2
- 230000000171 quenching effect Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 229910001566 austenite Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 229910001562 pearlite Inorganic materials 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000007704 transition Effects 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
- 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
- B21B1/46—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 metal immediately subsequent to continuous casting
- B21B1/466—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 metal immediately subsequent to continuous casting in a non-continuous process, i.e. the cast being cut before rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B15/00—Arrangements for performing additional metal-working operations specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B2015/0057—Coiling the rolled product
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B2203/00—Auxiliary arrangements, devices or methods in combination with rolling mills or rolling methods
- B21B2203/18—Rolls or rollers
- B21B2203/185—Reversible rolls for changing grooves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21B—ROLLING OF METAL
- B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
- B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
- B21B45/0203—Cooling
- B21B45/0209—Cooling devices, e.g. using gaseous coolants
- B21B45/0215—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes
- B21B45/0224—Cooling devices, e.g. using gaseous coolants using liquid coolants, e.g. for sections, for tubes for wire, rods, rounds, bars
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/51—Plural diverse manufacturing apparatus including means for metal shaping or assembling
- Y10T29/5184—Casting and working
Definitions
- High-performance wire rod mills with the generic features in the aforementioned preamble of claim 1 are in the prior art known. This includes individual components of the system concept described, but these are not yet sufficient to in terms of the desired layout for minimized space requirements and investment costs to implement a convincing new concept.
- the invention described therein lies the Task based on a method for heat treating steel wire from the rolling heat, the steel after exiting the last Scaffold intermittently quenched and through Temperature compensation with a core cross section is heated again and in the pearlite transformation region with a medium temperature from 600 to 650 ° C occurs in such a way that the previous usual lengths, considerable at increased rolling speeds which can significantly reduce cooling distances.
- This will be after this Document reached by quenching the wire surface intermittently up to 70 ° C above the martensite transformation temperature, at least to 400 ° C, is cooled, and that the wire of intermittent cooling for a time from 0.6 to 0.7 seconds is exposed. This is done in a manner known per se Way, water cooling quenching and temperature compensation under air cooling.
- the invention lies The task is based on known individual components of the aforementioned system concepts to be combined with new device elements in such a way that the considerable hitherto usual at increased rolling speeds Lengths of the cooling section can be significantly reduced, so that in their functional interaction the concept of a particularly space-saving design of the system can be realized can.
- design in conjunction with the direct use of a CC-casting plant or a CC-casting wheel for high production is an extremely compact overall system by increasing the coil weights of, for example, 2 t 5 t possible.
- An embodiment of the system provides that the winding coil arrangement for wire from 6 to 16 mm and for round steel from 18 to 40 mm is designed.
- the winding spools can advantageously in a winding station be arranged and they can be inside the take-up station Means for moving the winding spools between the finished lines have.
- Another also advantageous embodiment provides that the Water cooling section Means for moving them to the finished lines owns.
- the means for moving can be a great advantage the winding coils and the means for moving the water cooling section be synchronously coupled with each other.
- CC is an abbreviation for continuous Casting.
- a buffer furnace 3 to compensate for Production differences between the CC system 1 and rolling mill as well provided to compensate for smaller mill malfunctions.
- a compact pre-4 and Intermediate road I 5 which are designed such that a roll change is only required in the weekly repair shift, where, for example, the stands with two-caliber rollers for mutual Caliber insert are equipped.
- the scaffolds have through short bale length, high rigidity.
- an intermediate road II 7 to Generation of thick finished dimensions or pre-sections (e.g. 18-40 mm diameter) for the finishing train, designed for the fastest Scaffolding change.
- the intermediate road II 7 branches off the Finishing line 10 from a parallel finishing line 9 in which the finishing train 8 (for example for 6-16 mm rolling stock diameter) is arranged.
- the water cooling section is located on the following outlet section 11 with means 15 for displacement between the finished lines 9 and 10 is equipped. This is subordinate to the Slidable winding spool assembly 12, which also means 14 within the winding station 13 for moving between the Finished lines 9 and 10 is equipped.
Abstract
Description
- einer CC-Anlage bzw. einem CC-Gießrad für hohe Produktion,
- einer Direktanbindung von CC-Anlage bzw. -Gießrad an das Walzwerk,
- einem Puffer-Ofen zwischen der CC-Anlage bzw. dem -Gießrad und dem Walzwerk zum Ausgleich von Produktionsunterschieden sowie kleineren Walzwerksstörungen,
- einer kompakten Vor- und Zwischenstraße I
- mit einer Einheitskalibrierung für die Straßenabschnitte.
- einer Umführung um 180° hinter der Zwischenstraße I,
- einer Zwischenstraße II zur Erzeugung dicker Fertigabmessungen bzw. Vorquerschnitte, in Konzeption für schnellen Gerüstwechsel,
- einer Fertigstraße, ebenfalls in Konzeption für schnellen Gerüstwechsel, mit
- der Anordnung der Fertigstraße in einer zur Zwischenstraße II parallelen Fertiglinie, mit
- der Zuordnung einer gemeinsamen und zwischen diesen beiden parallelen Fertiglinien verschiebbaren Wasserkühlstrecke und
- der Zuordnung einer zwischen beiden Fertiglinien verschiebbaren Wickelspulenanordnung anstelle einer nachgeordneten Ausgleichstrecke.
- Ersetzen des Stelmor-Transportbandes durch die Aufwickelstation;
- Ersetzen des Kühlbettes durch die Aufwickelstation, bzw.
- Ersetzen einer Garett-Anlage durch die Aufwickelstation.
Claims (9)
- Hochleistungs-Drahtwalzwerk, umfassend eine Draht- und/oder Stabstahlstraße für Betonstahl und einfache C-Stähle, mit:einer CC-Anlage bzw. einem CC-Gießrad (1),einer Direktanbindung von CC-Anlage bzw. -Gießrad (1) an das Walzwerk,einem Puffer-Ofen (3) zwischen der CC-Anlage bzw. dem -Gießrad (1) und dem Walzwerk zum Ausgleich von Produktionsunterschieden sowie kleineren Walzwerksstörungen,einer kompakten Vor-(4) und Zwischenstraße I (5), sowie mit einer Einheitskalibrierung für die Straßenabschnitte (4 bzw. 5),
die Merkmaleeiner Umführung (6) um 180° hinter der Zwischenstraße I (5),einer Zwischenstraße II (7) zur Erzeugung dicker Fertigabmessungen bzw. Vorquerschnitte, in Konzeption für schnellen Gerüstwechsel,einer Fertigstraße (8), ebenfalls in Konzeption für schnellen Gerüstwechsel,der Anordnung der Fertigstraße (8) in einer zur Zwischenstraße II (7) parallelen Fertiglinie (9),der Zuordnung einer gemeinsamen und zwischen diesen beiden parallelen Fertiglinien (9, 10) verschiebbaren Wasserkühlstrecke (11) undder Zuordnung einer zwischen beiden Fertiglinien (9, 10) verschiebbaren Wickelspulenanordnung (12) anstelle einer nachgeordneten Ausgleichstrecke. - Drahtwalzwerk nach Anspruch 1,
dadurch gekennzeichnet,
daß die Wickelspulenanordnung (12) für Draht (2) von 6 bis 16 mm und für Rundstahl (2) von 18 bis 40 mm ausgelegt ist. - Drahtwalzwerk nach Anspruch 1 oder 2,
dadurch gekennzeichnet,
daß die Wickelspulenanordnung (12) in einer Aufwickelstation (13) angeordnet ist. - Drahtwalzwerk nach einem oder mehreren der Ansprüche 1 bis 3,
dadurch gekennzeichnet,
daß die Wickelspulenanordnung (12) innerhalb der Aufwickelstation (13) Mittel (14) zum Verschieben der Wickelspulen zwischen den Fertiglinien (9, 10) besitzt. - Drahtwalzwerk nach einem oder mehreren der Ansprüche 1 bis 4,
dadurch gekennzeichnet,
daß die Wasserkühlstrecke (11) Mittel (15) zu deren Verschiebung zwischen den Fertiglinien (9, 10) besitzt. - Drahtwalzwerk nach einem oder mehreren der Ansprüche 1 bis 5,
dadurch gekennzeichnet,
daß die Mittel (14) zum Verschieben der Wickelspulen (12) und die Mittel (15) zum Verschieben der Wasserkühlstrecke (11) miteinander synchron gekoppelt sind. - Drahtwalzwerk nach einem oder mehreren der Ansprüche 1 bis 6,
dadurch gekennzeichnet,
daß die Gesamtanlage in einem Areal von etwa 30 x 150 m unterbringbar ist. - Drahtwalzwerk nach einem oder mehreren der Ansprüche 1 bis 7,
dadurch gekennzeichnet,
daß Vor- (4) und Zwischenstraße I (5) von solcher konstruktiver Konzeption sind, daß ein Walzenwechsel jeweils nur in einer wöchentlichen Reparaturschicht erforderlich ist. - Drahtwalzwerk nach einem oder mehreren der Ansprüche 1 bis 8,
dadurch gekennzeichnet,
daß die Walzgerüste der Walzstraßen, insbesondere der kompakten Vor- und Zwischenstraße (4, I 5) mit zweikalibrigen Walzen zum wechselseitigen Kalibereinsatz ausgestattet sind.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19719319 | 1997-05-08 | ||
DE19719319A DE19719319A1 (de) | 1997-05-08 | 1997-05-08 | Hochleistungs-Drahtwalzwerk |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0876856A2 true EP0876856A2 (de) | 1998-11-11 |
EP0876856A3 EP0876856A3 (de) | 1999-06-09 |
EP0876856B1 EP0876856B1 (de) | 2003-02-26 |
Family
ID=7828908
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98108138A Expired - Lifetime EP0876856B1 (de) | 1997-05-08 | 1998-05-05 | Hochleistungs-Drahtwalzwerk |
Country Status (5)
Country | Link |
---|---|
US (1) | US5946783A (de) |
EP (1) | EP0876856B1 (de) |
JP (1) | JPH10314810A (de) |
AT (1) | ATE233133T1 (de) |
DE (2) | DE19719319A1 (de) |
Cited By (3)
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---|---|---|---|---|
EP1108479A2 (de) * | 1999-12-16 | 2001-06-20 | SMS Demag AG | Wasserkühlstrecke für Draht |
EP1197271A3 (de) * | 2000-10-13 | 2004-11-17 | SMS Demag AG | Wasserkühlstrecke für die Kühlung von Walzdraht oder Feinstahl |
CN110695084A (zh) * | 2019-10-22 | 2020-01-17 | 中冶南方武汉钢铁设计研究院有限公司 | 无加热高强钢材的生产方法 |
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US11478831B2 (en) | 2020-03-04 | 2022-10-25 | Primetals Technologies USA LLC | Mechanical high speed roll change system for use with robotic roll change system |
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EP0603707A1 (de) * | 1992-12-24 | 1994-06-29 | Sms Schloemann-Siemag Aktiengesellschaft | Anlage zum Walzen von Draht |
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1998
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- 1998-05-05 AT AT98108138T patent/ATE233133T1/de not_active IP Right Cessation
- 1998-05-05 EP EP98108138A patent/EP0876856B1/de not_active Expired - Lifetime
- 1998-05-06 JP JP10123552A patent/JPH10314810A/ja not_active Withdrawn
- 1998-05-07 US US09/074,128 patent/US5946783A/en not_active Expired - Fee Related
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US5568744A (en) * | 1991-03-19 | 1996-10-29 | Sms Schloemann-Siemag Ag | Method and arrangement for manufacturing rolled wire or round steel sections in coils from carbon steels and/or high-grade steels |
EP0603707A1 (de) * | 1992-12-24 | 1994-06-29 | Sms Schloemann-Siemag Aktiengesellschaft | Anlage zum Walzen von Draht |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1108479A2 (de) * | 1999-12-16 | 2001-06-20 | SMS Demag AG | Wasserkühlstrecke für Draht |
EP1108479A3 (de) * | 1999-12-16 | 2003-11-12 | SMS Demag AG | Wasserkühlstrecke für Draht |
EP1197271A3 (de) * | 2000-10-13 | 2004-11-17 | SMS Demag AG | Wasserkühlstrecke für die Kühlung von Walzdraht oder Feinstahl |
CN110695084A (zh) * | 2019-10-22 | 2020-01-17 | 中冶南方武汉钢铁设计研究院有限公司 | 无加热高强钢材的生产方法 |
Also Published As
Publication number | Publication date |
---|---|
US5946783A (en) | 1999-09-07 |
DE59807274D1 (de) | 2003-04-03 |
EP0876856A3 (de) | 1999-06-09 |
JPH10314810A (ja) | 1998-12-02 |
EP0876856B1 (de) | 2003-02-26 |
DE19719319A1 (de) | 1998-11-12 |
ATE233133T1 (de) | 2003-03-15 |
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