EP3424616B1 - Side plate of a continuous casting mould - Google Patents
Side plate of a continuous casting mould Download PDFInfo
- Publication number
- EP3424616B1 EP3424616B1 EP18180504.5A EP18180504A EP3424616B1 EP 3424616 B1 EP3424616 B1 EP 3424616B1 EP 18180504 A EP18180504 A EP 18180504A EP 3424616 B1 EP3424616 B1 EP 3424616B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- side plate
- continuous casting
- casting mould
- filler
- cooling channel
- 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.)
- Active
Links
- 238000009749 continuous casting Methods 0.000 title claims description 16
- 239000000945 filler Substances 0.000 claims description 18
- 238000001816 cooling Methods 0.000 claims description 17
- 239000000463 material Substances 0.000 claims description 12
- 239000004033 plastic Substances 0.000 claims description 10
- 229920003023 plastic Polymers 0.000 claims description 10
- 239000003381 stabilizer Substances 0.000 claims description 8
- 238000005266 casting Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 6
- 229930182556 Polyacetal Natural products 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 5
- 229910052751 metal Inorganic materials 0.000 claims description 5
- 229920006324 polyoxymethylene Polymers 0.000 claims description 5
- 239000007769 metal material Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000000835 fiber Substances 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 230000007935 neutral effect Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000000654 additive Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 229910001338 liquidmetal Inorganic materials 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
Images
Classifications
-
- 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
- B22D11/04—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds
- B22D11/055—Cooling the moulds
Definitions
- the invention relates to a side plate of a continuous casting mold for producing a casting strand from metal materials.
- the continuous casting mold disclosed there essentially consists of copper side plates.
- the side plates each have a hot side facing the casting space of the continuous casting mold and a cold side facing away from the hot side.
- a cooling channel is milled on the cold side of the side plate.
- Inserts, also called fillers, are used in the cooling channels in order to reduce the cross section of the cooling channel to a desired remaining cross section.
- the fittings are either made of temperature-resistant plastic or a metal.
- the advantage of using plastic instead of metal is that weight can be saved by using plastic, which improves the oscillation dynamics of the mold. Furthermore, the manufacturing costs for plastic fillers are significantly cheaper than for metal fillers.
- the invention is therefore based on the object, in a known side plate of a continuous casting mold, to further develop the filling pieces for the cooling channels of the side plate in such a way that they are not only thermally stable, but at the same time chemically neutral to the coolant in the cooling channel, elastic and easy to machine.
- this selected and stressed material is characterized by good thermal dimensional stability. This is important because the fittings define the cross section of the cooling channels and this cross section must also be maintained at higher temperatures, which the coolant can assume when passing through the cooling channels.
- the claimed material also shows a chemical neutrality or resistance to the coolant, which is not only pure water, but water with z. T. aggressive chemical additives. In this respect, it is advantageous with this material that this chemical additives do not attack its consistency or surface.
- This material is also electrochemically neutral d. H. in particular, there is no ion exchange with the cooling water. In addition, this material remains elastic even in the chemically enriched coolant; d. H. advantageously not embrittled.
- this plastic is also neutral with regard to the reaction to magnetic fields and when irradiated with e.g. B. X-ray light for measurement purposes.
- the filler has at least one stabilizer insert in the form of a profile bar.
- This stabilizer insert further increases the dimensional stability of the filler.
- polyacetal the use of such a stabilizer insert is usually unnecessary.
- the claimed side plate is, for example, a broad side plate of the continuous casting mold.
- the side plate can be made of copper, for example, regardless of whether it is a narrow side plate or a wide side plate.
- the description is accompanied by a single figure, which shows a side plate, in particular a broad side plate of a continuous casting mold.
- the figure shows a side plate, in particular a broad side plate 100 of a continuous casting mold.
- the continuous casting mold is used to cast liquid metal materials into a casting strand.
- the side plate 100 delimits the casting space of such a mold on one side.
- the side of the side plate facing the casting chamber of the continuous casting mold is also referred to as the hot side 110, while the side of the mold facing away from the hot side is referred to as the cold side 120.
- a plurality of cooling channels 130 can be seen for the passage of a coolant for cooling the side plate 100.
- the cross section of the cooling channels 130 is limited by fillers 140 used.
- the filler pieces also define the cross-section of each Cooling channel above its height.
- the fillers are made according to the invention from polyacetal.
- profile bars 150 can be embedded in the filler pieces.
- These profile bars can basically have any cross-section; however, they typically have an annular, polygonal, U-shaped, T-shaped or L-shaped cross section. Alternatively, they can also be designed as a threaded rod.
- the stabilizer inserts 150 are made of a different material than the rest of the filler, for example they are made of metal or carbon fiber.
Description
Die Erfindung betrifft eine Seitenplatte einer Stranggießkokille zum Erzeugen eines Gießstrangs aus Metallwerkstoffen.The invention relates to a side plate of a continuous casting mold for producing a casting strand from metal materials.
Derartige Seitenplatten für Stranggießkokillen sind im Stand der Technik hinlänglich bekannt, so z. B. aus der
In der betrieblichen Praxis hat es sich jedoch gezeigt, dass es bei der Auswahl des Kunststoffes nicht lediglich auf die Temperaturstabilität und geringe Kosten ankommt, sondern dass der verwendete Werkstoff darüber hinaus auch noch eine Mehrzahl anderer Eigenschaften besitzen muss, die speziell für Füllstücke in den Kühlkanälen von Seitenplatten einer Stranggießkokille relevant sind.In operational practice, however, it has been shown that the choice of plastic is not just about temperature stability and low costs, but that the material used must also have a number of other properties, especially for fillers in the cooling channels of side plates of a continuous casting mold are relevant.
Der Erfindung liegt deshalb die Aufgabe zugrunde, bei einer bekannten Seitenplatte einer Stranggießkokille die Füllstücke für die Kühlkanäle der Seitenplatte dahingehend weiterzubilden, dass sie nicht nur thermisch stabil, sondern gleichzeitig auch chemisch neutral gegenüber dem Kühlmittel in dem Kühlkanal, elastisch und gut mechanisch bearbeitbar sind.The invention is therefore based on the object, in a known side plate of a continuous casting mold, to further develop the filling pieces for the cooling channels of the side plate in such a way that they are not only thermally stable, but at the same time chemically neutral to the coolant in the cooling channel, elastic and easy to machine.
Diese Aufgabe wird durch den Gegenstand des Patentanspruchs 1 gelöst. Dieser ist dadurch gekennzeichnet, dass es sich bei dem Kunststoff für das Füllstück um Polyacetal handelt.This object is achieved by the subject matter of patent claim 1. This is characterized in that the plastic for the filler is polyacetal.
Dieser ausgewählte und beanspruchte Werkstoff zeichnet sich zum einen durch eine gute thermische Formstabilität aus. Dies ist wichtig, weil die Formstücke den Querschnitt der Kühlkanäle definieren und dieser Querschnitt muss auch bei höheren Temperaturen, die das Kühlmittel beim Durchlauf durch die Kühlkanäle annehmen kann, erhalten bleiben soll. Darüber hinaus zeigt das beanspruchte Material auch eine chemische Neutralität bzw. Bestandsfestigkeit gegenüber dem Kühlmittel, bei dem es sich nicht nur um reines Wasser, sondern um Wasser mit z. T. aggressiven chemischen Zusätzen handelt. Insofern ist es bei dieser Werkstoff vorteilhaft, dass dass dieser Werkstoff durch diese chemischen Zusätze nicht seine Konsistenz oder Oberfläche angegriffen wird. Auch zeigt sich dieser Werkstoff elektrochemisch neutral d. h. insbesondere findet kein lonenaustausch mit dem Kühlwasser statt. Darüber hinaus bleibt dieser Werkstoff auch in dem chemisch angereicherten Kühlmittel elastisch; d. h. vorteilhafterweise versprödet nicht. Darüber hinaus ist es mechanisch gut bearbeitbar, insbesondere zeigt es eine gute Spanbarkeit; dies ist vorteilhaft im Hinblick auf die zum Teil notwendige sehr spezielle Formgestaltung der Füllstücke. Schließlich sei erwähnt, dass dieser Kunststoff auch neutral ist bezüglich der Rückwirkung auf Magnetfelder und bei einer Durchstrahlung mit z. B. Röntgenlicht zu Messzwecken.On the one hand, this selected and stressed material is characterized by good thermal dimensional stability. This is important because the fittings define the cross section of the cooling channels and this cross section must also be maintained at higher temperatures, which the coolant can assume when passing through the cooling channels. In addition, the claimed material also shows a chemical neutrality or resistance to the coolant, which is not only pure water, but water with z. T. aggressive chemical additives. In this respect, it is advantageous with this material that this chemical additives do not attack its consistency or surface. This material is also electrochemically neutral d. H. in particular, there is no ion exchange with the cooling water. In addition, this material remains elastic even in the chemically enriched coolant; d. H. advantageously not embrittled. In addition, it is easy to machine, in particular it shows good machinability; This is advantageous in view of the very special shape of the filler pieces that is sometimes required. Finally, it should be mentioned that this plastic is also neutral with regard to the reaction to magnetic fields and when irradiated with e.g. B. X-ray light for measurement purposes.
Gemäß einem ersten Ausführungsbeispiel weist das Füllstück mindestens eine Stabilisatoreinlage in Form eines Profilstabes auf. Durch diese Stabilisatoreinlage wird die Formstabilität des Füllstücks weiter erhöht. Bei der Verwendung von Polyacetal ist die Verwendung einer solchen Stabilisatoreinlage in der Regel entbehrlich.According to a first embodiment, the filler has at least one stabilizer insert in the form of a profile bar. This stabilizer insert further increases the dimensional stability of the filler. When using polyacetal, the use of such a stabilizer insert is usually unnecessary.
Bei der beanspruchten Seitenplatte handelt es sich beispielsweise um eine Breitseitenplatte der Stranggießkokille. Die Seitenplatte kann beispielsweise aus Kupfer gefertigt sein, egal ob es sich dabei um eine Schmalseitenplatte oder eine Breitseitenplatte handelt.The claimed side plate is, for example, a broad side plate of the continuous casting mold. The side plate can be made of copper, for example, regardless of whether it is a narrow side plate or a wide side plate.
Die oben genannte Aufgabe wird schließlich auch durch den Verwendungsanspruch 5 gelöst.The above-mentioned object is finally solved by the use claim 5.
Der Beschreibung ist eine einzige Figur beigefügt, welche eine Seitenplatte, insbesondere eine Breitseitenplatte einer Stranggießkokille zeigt.The description is accompanied by a single figure, which shows a side plate, in particular a broad side plate of a continuous casting mold.
Die Erfindung wird nachfolgend unter Bezugnahme auf diese Figur in Form von Ausführungsbeispielen detailliert beschrieben.The invention is described in detail below with reference to this figure in the form of exemplary embodiments.
Die Figur zeigt eine Seitenplatte, insbesondere eine Breitseitenplatte 100 einer Stranggießkokille. Die Stranggießkokille dient zum Gießen von flüssigen Metallwerkstoffen zu einem Gießstrang. Die Seitenplatte 100 begrenzt einseitig den Gießraum einer solchen Kokille. Die dem Gießraum der Stranggießkokille zugewandte Seite der Seitenplatte wird auch als Heißseite 110 bezeichnet während die der Heißseite abgewandte Seite der Kokille als Kaltseite 120 bezeichnet wird. In der Kaltseite 120 sind eine Mehrzahl von Kühlkanälen 130 zu erkennen zum Durchleiten eines Kühlmittels zum Kühlen der Seitenplatte 100. Die Kühlkanäle 130 sind in ihrem Querschnitt durch eingesetzte Füllstücke 140 begrenzt. Die Füllstücke definieren auch den Querschnitt des jeweiligen Kühlkanals über dessen Höhe. Die Füllstücke sind erfindungsgemäß aus Polyacetal gefertigt.The figure shows a side plate, in particular a
Zur Erhöhung der Formstabilität können in die Füllstücke 140 Stabilisatoreinlagen in Form von Profilstäben 150 eingelassen sein. Diese Profilstäbe können grundsätzlich einen beliebigen Querschnitt aufweisen; typischerweise haben sie jedoch einen ringförmigen, vieleckigen, U-förmigen, T-förmigen oder L-förmigen Querschnitt. Alternativ können sie auch als Gewindestange ausgebildet sein. Die Stabilisatoreinlagen 150 sind aus einem anderen Material als das übrige Füllstück gefertigt, beispielsweise sind sie aus Metall oder Kohlefaser gefertigt.To increase the dimensional stability, 140 stabilizer inserts in the form of
- 100100
- SeitenplatteSide plate
- 110110
- Heißseite der SeitenplatteHot side of the side plate
- 120120
- Kaltseite der SeitenplatteCold side of the side plate
- 130130
- KühlkanalCooling channel
- 140140
- FüllstückFilling piece
- 150150
- StabilisiatoreinlageStabilizer insert
Claims (5)
- Side plate (100) of a continuous casting mould for producing a cast strip of metal materials, comprising:a hot side (110), which faces the casting space spanned by the continuous casting mould, and a cold side (120) remote from the hot side;at least one cooling channel (130) on the cold side of the side plate for conducting a coolant; andat least one filler member (140), which is inserted into the cooling channel, for reducing the cross-section of the cooling channel to a desired residual cross-section, wherein the flow member (140) is made at least partly of plastics material;characterised in thatthe plastics material for the filler member (140) is polyacetal.
- Side plate according to claim 1, characterised in that the filler member (140) has at least one stabiliser inlay (150) in the form of a profile rod, wherein the stabiliser inlay (150) is made of metal or carbon-fibre.
- Side plate (100) according to one of the preceding claims, characterised in that the proportion of the plastics material to the filler member is ≥ 50%.
- Side plate (100) according to any one of the preceding claims, characterised in that the side plate is a wide side plate of the continuous casting mould.
- Use of polyacetal as material for the production of filler members (140) for cooling channels (130) in a side plate (100) of a continuous casting mould for the casting of steel materials.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102017211654.4A DE102017211654A1 (en) | 2017-07-07 | 2017-07-07 | Side plate of a continuous casting mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP3424616A1 EP3424616A1 (en) | 2019-01-09 |
| EP3424616B1 true EP3424616B1 (en) | 2020-06-24 |
Family
ID=62816433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP18180504.5A Active EP3424616B1 (en) | 2017-07-07 | 2018-06-28 | Side plate of a continuous casting mould |
Country Status (2)
| Country | Link |
|---|---|
| EP (1) | EP3424616B1 (en) |
| DE (1) | DE102017211654A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59197351A (en) * | 1983-04-21 | 1984-11-08 | Nippon Steel Corp | Method for preventing erosion damage of ultrasonically oscillating mold |
| EP1918042A1 (en) * | 2006-10-10 | 2008-05-07 | Concast Ag | Mould for continuous casting of pre-profiled billets |
| EP2321075B1 (en) | 2008-08-06 | 2018-07-11 | SMS group GmbH | Strand casting mold for liquid metal, particularly for liquid steel |
-
2017
- 2017-07-07 DE DE102017211654.4A patent/DE102017211654A1/en not_active Withdrawn
-
2018
- 2018-06-28 EP EP18180504.5A patent/EP3424616B1/en active Active
Non-Patent Citations (1)
| Title |
|---|
| None * |
Also Published As
| Publication number | Publication date |
|---|---|
| EP3424616A1 (en) | 2019-01-09 |
| DE102017211654A1 (en) | 2019-01-10 |
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