EP4008451A1 - Lingotière de coulée continue dotée d'un canal de lubrifiant débouchant dans la surface de roulement - Google Patents

Lingotière de coulée continue dotée d'un canal de lubrifiant débouchant dans la surface de roulement Download PDF

Info

Publication number: EP4008451A1
Authority: EP; European Patent Office
Prior art keywords: running surface; mold; distribution section; lubricant; lubricant channel
Prior art date: 2020-12-07
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

Application number

EP20212290.9A

Other languages

German (de)

English (en)

Other versions

EP4008451C0 (fr

EP4008451B1 (fr

Inventor

Christian Karl Fellsner

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.)

Hertwich Engineering GmbH

Original Assignee

Hertwich Engineering GmbH

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.)

2020-12-07

Filing date

2020-12-07

Publication date

2022-06-08

2020-12-07 Priority to ES20212290T priority Critical patent/ES2982494T3/es

2020-12-07 Application filed by Hertwich Engineering GmbH filed Critical Hertwich Engineering GmbH

2020-12-07 Priority to PL20212290.9T priority patent/PL4008451T3/pl

2020-12-07 Priority to EP20212290.9A priority patent/EP4008451B1/fr

2021-12-02 Priority to CA3204366A priority patent/CA3204366A1/fr

2021-12-02 Priority to PCT/EP2021/084052 priority patent/WO2022122563A1/fr

2021-12-02 Priority to US18/265,594 priority patent/US12042857B2/en

2022-06-08 Publication of EP4008451A1 publication Critical patent/EP4008451A1/fr

2024-05-15 Application granted granted Critical

2024-05-15 Publication of EP4008451C0 publication Critical patent/EP4008451C0/fr

2024-05-15 Publication of EP4008451B1 publication Critical patent/EP4008451B1/fr

Status Active legal-status Critical Current

2040-12-07 Anticipated expiration legal-status Critical

Links

Images

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D7/00—Casting ingots, e.g. from ferrous metals
- B22D7/06—Ingot moulds or their manufacture
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D11/00—Continuous casting of metals, i.e. casting in indefinite lengths
- B22D11/07—Lubricating the moulds

Definitions

the invention relates to a mold for continuous casting with a lubricant channel which opens into the running surface and has a distribution section adjoining the running surface.
the CH361093 shows a method for lubricating the running surface, in which an outer seal delimits a distribution section circumferentially around the running surface.
the distribution section has a plurality of lubricant supply lines which are evenly spaced apart from one another and is delimited by a supply section which adjoins the running surface and has a plurality of channels. These channels are also equally spaced from each other, offset from the lubricant supply lines, and allow lubricant to be supplied to the tread.
the invention is therefore based on the object of enabling uniform lubrication of the running surface of a mold using components that are as less susceptible to wear as possible.
the invention achieves the stated object in that the flow resistance within the distribution section increases in the direction of the running surface and remains constant in a delivery area of the distribution section adjoining the running surface parallel to the running surface. If lubricant is introduced into the lubricant channel, for example using a fluid line, this is first distributed in the areas of the distribution section with lower flow resistance and fills up these areas. Only when the pressure is further increased, for example by the further supply of lubricant, does the lubricant continue to flow in the direction of the running surface and is distributed in the areas of higher flow resistance until the delivery area adjoining the running surface is reached. Since the flow resistance parallel to the running surface is constant in the discharge area, there is no preferred entry point for the lubricant to get onto the running surface.
the lubricant channel according to the invention requires less than 11, preferably less than 5 and more preferably only one lubricant supply line in the area of lower flow resistance, since the lubricant is automatically distributed evenly in the areas of lower flow resistance due to the different flow resistances.
Different flow resistances can be implemented, for example, by means of different meander structures, surface roughness, channel thicknesses, etc. in certain areas. Due to its simple design, the lubricant channel can be arranged in a structurally simple manner on the mold inlet side and enables improved lubrication right from the start of continuous casting.
the entire interaction surface of the casting with the tread can be lubricated evenly when the discharge area is circumferential extends at least in sections around the tread. Due to its structure, the lubricant channel according to the invention can easily form a continuous, circumferential delivery area to the running surface, since it is not interrupted by any other components, such as nozzles. In this way, the distribution section can extend circumferentially over 10%, preferably over 15%, more preferably over 25%, 50% or 75%, in particular over 90% of the tread cross section and preferably over the entire tread cross section. As a result, every circumferential point of the running surface is equally accessible for the lubricant via the dispensing area. This enables an even, continuous lubricating film between the running surface and the cast strand.
the flow resistance within the distribution section can increase in the direction of the running surface by reducing the cross section of the lubricant channel in the region of the distribution section toward the running surface.
Lubrication can be implemented in a simple and low-wear manner in terms of manufacturing technology, in that the delivery area has a surface roughness that differs from the rest of the distribution section, with the delivery area preferably having a higher surface roughness than the rest of the distribution section.
the flow resistance can be precisely influenced locally by simple manual measures, since the increase in surface roughness causes meander structures to form on the treated parts of the distribution section, which the lubricant must pass through. This treatment can be carried out directly on the mold and repeated if necessary, which means that no further components have to be provided and subsequently replaced if necessary.
the delivery area can extend in the radial direction over up to 100 mm, in particular over 5 mm.
the lubricant throughput can be controlled simply and precisely by the delivery area lying against the opposite lubricant channel wall.
the flow resistance in the direction of the running surface can easily be increased, with further manufacturing measures, such as increasing the surface roughness, changing the flow cross-section or spacers upstream of the delivery area, making it possible to ensure that the lubricant continues to flow to and from the delivery area can get further to the tread.
the possible throughput of lubricant can be set precisely depending on the pressure applied.
the duct wall sections have a metal surface. In this case, it is irrelevant whether only the surfaces of the channel wall sections are made of metal or are metallized, or whether the channel walls are made entirely of metal.
the dispensing area be limited by at least two mold components in the longitudinal direction of the mold.
the mold components can be easily assembled in order to form the lubricant channel through their interaction.
the mold components can also be easily detached from one another, which means that the distribution section and the delivery area can be easily inspected and serviced between two operations.
the design enables simplified production of the lubricant channel walls because they are openly accessible before the individual components are assembled.
the lubricant channel can also be arranged simply on the mold inlet side, for example by the nozzle plate forming a mold component.
the lubricant channel to be arranged in the immediate vicinity of the entry area of the cast strand and thus optimizes the lubrication conditions right at the beginning of continuous casting. If, as described above, the channel section facing the running surface with higher surface roughness is in contact with the channel wall of the distribution section opposite it, the flow resistance decreases with increasing surface roughness, since the lubricant can only pass along the meandering structures created by the roughness.
only one of the two mold components has to be machined in order to achieve the flow resistance within the distribution section, which increases in the direction of the running surface. For example, the distribution section of one mold component can be processed while the distribution section of the other mold component remains unprocessed.
a particularly compact design can be achieved if one of the at least two mold components includes the running surface.
unintentional escape of lubricant can be reduced and at the same time the supply of lubricant can be controlled more precisely by the lubricant channel being delimited by a seal on the side opposite the distribution section.
the seal prevents lubricant from escaping at least partially on the side opposite the distribution section and facing away from the running surface due to the applied pressure and also enables a pressure-tight connection of the cooperating mold components.
a mold according to the invention for continuous casting comprises a running surface 1 and a lubricant channel 2 which opens into the running surface 1 and which has a the tread 1 subsequent distribution section 3 has.
the distribution section 3 includes a delivery area 4 in which the flow resistance parallel to the running surface 1 is constant.
the flow resistance increases within the distribution section 3 in order to induce an even distribution of the lubricant in the dispensing area 4 .
This can be implemented, for example, in that the delivery area 4 has a smaller cross section and a different surface roughness than the area 5 of the distribution section 3 located in front of the delivery area 4.
the distribution section 3 can extend circumferentially around the entire cross section of a running surface 1 of a mold .
the cross section of the lubricant channel 2 in the area of the distribution section 3 decreases, preferably abruptly in the transition area between the area 5 upstream of the delivery area 4 and the delivery area 4.
the second mold component can 7 built relatively compact and replaced if necessary.
the mold can comprise a seal 8. This seal 8 delimits the distribution section 3 of the lubricant channel 2 on the side opposite the distribution section 3 .
a lubricant supply opening 9 can be provided for supplying lubricant, which is fed via a supply line 10 .

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Continuous Casting (AREA)
Molds, Cores, And Manufacturing Methods Thereof (AREA)
Moulds For Moulding Plastics Or The Like (AREA)

EP20212290.9A 2020-12-07 2020-12-07 Moule pour coulée continue avec canal de lubrifiant ouvert dans la surface de roulement Active EP4008451B1 (fr)

Priority Applications (6)

Application Number	Priority Date	Filing Date	Title
PL20212290.9T PL4008451T3 (pl)	2020-12-07	2020-12-07	Forma do odlewania ciągłego z kanałem smarowym otwierającym się do powierzchni tocznej
EP20212290.9A EP4008451B1 (fr)	2020-12-07	2020-12-07	Moule pour coulée continue avec canal de lubrifiant ouvert dans la surface de roulement
ES20212290T ES2982494T3 (es)	2020-12-07	2020-12-07	Molde para colada continua con un canal de lubricante abierto en la superficie de rodadura
PCT/EP2021/084052 WO2022122563A1 (fr)	2020-12-07	2021-12-02	Moule de coulée continue comprenant un canal de lubrifiant débouchant dans la surface de coulée
CA3204366A CA3204366A1 (fr)	2020-12-07	2021-12-02	Moule de coulee continue comprenant un canal de lubrifiant debouchant dans la surface de coulee
US18/265,594 US12042857B2 (en)	2020-12-07	2021-12-02	Ingot mould for continuous casting with a lubricant channel opening to the running surface

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
EP20212290.9A EP4008451B1 (fr)	2020-12-07	2020-12-07	Moule pour coulée continue avec canal de lubrifiant ouvert dans la surface de roulement

Publications (3)

Publication Number	Publication Date
EP4008451A1 true EP4008451A1 (fr)	2022-06-08
EP4008451C0 EP4008451C0 (fr)	2024-05-15
EP4008451B1 EP4008451B1 (fr)	2024-05-15

Family

ID=73740334

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP20212290.9A Active EP4008451B1 (fr)	2020-12-07	2020-12-07	Moule pour coulée continue avec canal de lubrifiant ouvert dans la surface de roulement

Country Status (6)

Country	Link
US (1)	US12042857B2 (fr)
EP (1)	EP4008451B1 (fr)
CA (1)	CA3204366A1 (fr)
ES (1)	ES2982494T3 (fr)
PL (1)	PL4008451T3 (fr)
WO (1)	WO2022122563A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH361093A (de) *	1957-05-31	1962-03-31	Beteiligungs & Patentverw Gmbh	Verfahren zum Zuführen des Gleitmittels in eine Kokille mit horizontal liegender Achse zum kontinuierlichen Giessen von Metallen und nichtmetallischen Werkstoffen
DE2734388A1 (de) *	1976-07-29	1978-02-02	Showa Denko Kk	Verfahren und vorrichtung zum direkten hartschalen- bzw. kokillengiessen in einer zwangsgekuehlten kokille, beispielsweise einer stranggiesskokille
US4437508A (en) *	1979-10-15	1984-03-20	Olin Corporation	Continuous lubrication casting molds
US5682942A (en) *	1995-05-17	1997-11-04	Unimetal Societe Francaise Des Aciers Longs	Method of lubricating the walls of a mold for the continuous casting of metals and mold for its implementation
US20120186772A1 (en) *	2011-01-25	2012-07-26	Craig Shaber	Thermal management system for a continuous casting molten metal mold

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2295839C (fr) *	1997-07-10	2008-04-08	Wagstaff, Inc.	Systeme permettant d'assurer un ecoulement uniforme a travers plusieurs parois peripheriques permeables d'un moule

2020
- 2020-12-07 EP EP20212290.9A patent/EP4008451B1/fr active Active
- 2020-12-07 PL PL20212290.9T patent/PL4008451T3/pl unknown
- 2020-12-07 ES ES20212290T patent/ES2982494T3/es active Active
2021
- 2021-12-02 CA CA3204366A patent/CA3204366A1/fr active Pending
- 2021-12-02 US US18/265,594 patent/US12042857B2/en active Active
- 2021-12-02 WO PCT/EP2021/084052 patent/WO2022122563A1/fr not_active Ceased

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CH361093A (de) *	1957-05-31	1962-03-31	Beteiligungs & Patentverw Gmbh	Verfahren zum Zuführen des Gleitmittels in eine Kokille mit horizontal liegender Achse zum kontinuierlichen Giessen von Metallen und nichtmetallischen Werkstoffen
DE2734388A1 (de) *	1976-07-29	1978-02-02	Showa Denko Kk	Verfahren und vorrichtung zum direkten hartschalen- bzw. kokillengiessen in einer zwangsgekuehlten kokille, beispielsweise einer stranggiesskokille
US4437508A (en) *	1979-10-15	1984-03-20	Olin Corporation	Continuous lubrication casting molds
US5682942A (en) *	1995-05-17	1997-11-04	Unimetal Societe Francaise Des Aciers Longs	Method of lubricating the walls of a mold for the continuous casting of metals and mold for its implementation
US20120186772A1 (en) *	2011-01-25	2012-07-26	Craig Shaber	Thermal management system for a continuous casting molten metal mold

Also Published As

Publication number	Publication date
EP4008451C0 (fr)	2024-05-15
EP4008451B1 (fr)	2024-05-15
US12042857B2 (en)	2024-07-23
PL4008451T3 (pl)	2024-09-23
ES2982494T3 (es)	2024-10-16
WO2022122563A1 (fr)	2022-06-16
US20240075520A1 (en)	2024-03-07
CA3204366A1 (fr)	2022-06-16

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Publication	Publication Date	Title
DE69705730T2 (de)	2001-10-31	Rolleranordnung für Betätigungskolben
DE69024616T2 (de)	1996-08-22	Zylinder für Einzel- oder Doppelrollenstranggiessvorrichtung
DE69515225T2 (de)	2000-08-10	Verfahren und Einrichtung zur Korrektion der Bombierung der Stranggiesswalzen für Metallband
CH622585A5 (fr)	1981-04-15
DE19831540C5 (de)	2005-07-07	Partielle Veränderung des Fließkanalquerschnitts eines geschlossenen Strömungskanalquerschnitts
WO2017207622A1 (fr)	2017-12-07	Dispositif de lubrification destiné à appliquer un lubrifiant lors du laminage d'un produit à laminer
EP4008451B1 (fr)	2024-05-15	Moule pour coulée continue avec canal de lubrifiant ouvert dans la surface de roulement
DE10062590B4 (de)	2005-12-29	Düsenanordnung zur Coextrusion
DE2727362B2 (de)	1979-12-13	Kühlstrecke zum Abkühlen von Stabstahl
DE2210273A1 (de)	1972-09-14	Verfahren und Vorrichtung zur Her stellung von Draht
DE2934851A1 (de)	1980-11-27	Verfahren zum einfuehren eines kabels in eine vulkanisationskammer und einrichtung zur durchfuehrung des verfahrens
EP4168673B1 (fr)	2024-11-20	Pompe à piston alternatif pour transporter un milieu
DE2154226A1 (de)	1973-05-03	Anordnung zur herstellung von kreisbogenfoermig gekruemmten kokillen fuer stranggussmaschinen
DE4337944C2 (de)	1996-07-25	Verfahren zum Betreiben eines Siphons sowie Siphon für die Papierindustrie
DE4004155C2 (fr)	1993-05-27
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DE102014016396A1 (de)	2016-05-12	Kraftstoffpumpe
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