EP1115521A1 - Verfahren zum herstellen eines gegossenen kaltwalzfähigen metallbandes, insbesondere als vormaterial zur münzherstellung - Google Patents
Verfahren zum herstellen eines gegossenen kaltwalzfähigen metallbandes, insbesondere als vormaterial zur münzherstellungInfo
- Publication number
- EP1115521A1 EP1115521A1 EP98962287A EP98962287A EP1115521A1 EP 1115521 A1 EP1115521 A1 EP 1115521A1 EP 98962287 A EP98962287 A EP 98962287A EP 98962287 A EP98962287 A EP 98962287A EP 1115521 A1 EP1115521 A1 EP 1115521A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal strip
- cast
- producing
- recoil
- mold
- 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- Withdrawn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
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 31
- 239000002184 metal Substances 0.000 title claims abstract description 31
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 239000007858 starting material Substances 0.000 title abstract description 3
- 238000000034 method Methods 0.000 claims abstract description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910002804 graphite Inorganic materials 0.000 claims abstract description 9
- 239000010439 graphite Substances 0.000 claims abstract description 9
- 229910000881 Cu alloy Inorganic materials 0.000 claims abstract description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 5
- 229910052718 tin Inorganic materials 0.000 claims abstract description 5
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 5
- 239000011701 zinc Substances 0.000 claims abstract description 5
- 238000002844 melting Methods 0.000 claims abstract description 3
- 230000008018 melting Effects 0.000 claims abstract description 3
- 239000000155 melt Substances 0.000 claims description 5
- 238000009749 continuous casting Methods 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 claims description 2
- 239000000571 coke Substances 0.000 claims 1
- 238000007711 solidification Methods 0.000 claims 1
- 230000008023 solidification Effects 0.000 claims 1
- 238000005266 casting Methods 0.000 abstract description 9
- 239000012768 molten material Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 description 13
- 238000005096 rolling process Methods 0.000 description 6
- 238000005098 hot rolling Methods 0.000 description 5
- 229910045601 alloy Inorganic materials 0.000 description 4
- 239000000956 alloy Substances 0.000 description 4
- 238000000137 annealing Methods 0.000 description 3
- 229910000602 Nordic gold Inorganic materials 0.000 description 2
- 238000005097 cold rolling Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 239000011265 semifinished product Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D21/00—Casting non-ferrous metals or metallic compounds so far as their metallurgical properties are of importance for the casting procedure; Selection of compositions therefor
-
- 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
- B22D11/045—Continuous casting of metals, i.e. casting in indefinite lengths into open-ended moulds for horizontal casting
-
- 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
- B22D11/059—Mould materials or platings
-
- 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
- B22D11/12—Accessories for subsequent treating or working cast stock in situ
- B22D11/128—Accessories for subsequent treating or working cast stock in situ for removing
- B22D11/1284—Horizontal removing
Definitions
- the invention relates to a method for producing a cast cold-rolled metal strip, in particular as starting material for coin production, on a horizontal continuous casting installation arranged downstream of a melting furnace, the withdrawal movement of the metal strip from the mold being composed of a drawing stroke, holding times and recoilings, and this with approximately 145 mm / min continuously cast metal strip is wound into a bundle after it has solidified (company brochure of Mannesmann Demag AG, Demag Technica, Veitshöchheim / Würzburg, "coin production”).
- metal masses, cathodes or metal scrap are melted in an oven, preferably in a crucible oven.
- the material used is put together by adding different alloying elements to the desired batch, which is cast into a metal strip in a one or two-strand continuous horizontal casting machine after transferring the melt into a holding furnace.
- the casting cross-section is, for example, 200 x 15 mm.
- the holding furnaces are usually inductively heated; they are poured directly into the water-cooled graphite mold, with casting speeds of approx. 140 - 200 mm / min are common.
- the cast metal strips are gripped by a take-off machine and alternately pulled and pushed back in a fixed cycle, while holding times are observed.
- Finishing rolling passes are followed by annealing and recrystallization steps, with annealing furnaces being used.
- the rolled-out metal strips are fed to punching devices in which coin plates are punched out in the desired coin dimensions, which are later minted.
- One of the well-known coin materials which is used in particular in the northern European countries, has a gold-like appearance and consists of a
- the aim of the present invention is the qualitatively flawless and cost-effective production of a cold-rolled metal strip made of a copper alloy with proportions of aluminum, zinc and tin, for example as a semi-finished product for coin production, on a known horizontal casting machine.
- This goal is achieved by the combination of partially known process steps according to the invention, which enables the production of the required copper alloys on plants that have not previously seemed suitable for processing these materials:
- the metal strip is pulled off with a drawing stroke of 24 mm to 28 mm, preferably 26 mm and immediately following recoil of 0.6 mm to 1 mm, preferably 0.8 mm in the direction of the mold,
- the recoil is followed by a holding time of the metal strip of 7 seconds to 7.5 seconds, preferably 7.2 seconds,
- the melt should favorably be transferred to the holding furnace without damaging turbulence and at a uniform temperature and, above all, be cast with a casting temperature which is exactly maintained.
- the proposed method can be further optimized by, for example, already covering the melt with a deoxidizing casting powder (e.g. with Papad 331 MBN).
- the graphite of which should preferably have a density of 1.83 kg / dm 3 .
- the graphite plate is usually screwed to the cooling plates of the mold in an optimized screw arrangement.
- this material can be produced as a cold-rolled metal strip without causing cracks in the metal strip. In this way, it becomes possible to manufacture the material that has hitherto been expensive to process by hot rolling in a much more economical and thus less expensive process, without the quality of the finished product suffering. Expensive hot rolling processes are avoided by casting a cold-rolled strip. The mold life increases when using the method according to the invention.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Continuous Casting (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19845837 | 1998-09-23 | ||
DE1998145837 DE19845837A1 (de) | 1998-09-23 | 1998-09-23 | Verfahren zum Herstellen eines gegossenen kaltwalzfähigen Metallbandes, insbesondere als Vormaterial zur Münzherstellung |
PCT/DE1998/003511 WO2000016933A1 (de) | 1998-09-23 | 1998-11-25 | Verfahren zum herstellen eines gegossenen kaltwalzfähigen metallbandes, insbesondere als vormaterial zur münzherstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1115521A1 true EP1115521A1 (de) | 2001-07-18 |
Family
ID=7883478
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98962287A Withdrawn EP1115521A1 (de) | 1998-09-23 | 1998-11-25 | Verfahren zum herstellen eines gegossenen kaltwalzfähigen metallbandes, insbesondere als vormaterial zur münzherstellung |
Country Status (7)
Country | Link |
---|---|
EP (1) | EP1115521A1 (de) |
JP (1) | JP2002526266A (de) |
AU (1) | AU1750599A (de) |
DE (1) | DE19845837A1 (de) |
MX (1) | MXPA01002439A (de) |
PL (1) | PL188441B1 (de) |
WO (1) | WO2000016933A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100479979C (zh) * | 2006-11-08 | 2009-04-22 | 沈阳铜兴产业有限公司 | 大规格铜异型板的生产工艺 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3206501C1 (de) * | 1982-02-24 | 1983-04-07 | Mannesmann AG, 4000 Düsseldorf | Verfahren und Auszieheinrichtung zum Horizontalstranggiessen von Metall,insbesondere von Stahl |
DE3426168C2 (de) * | 1984-07-16 | 1985-11-21 | Mannesmann AG, 4000 Düsseldorf | Verfahren zum horizontalen Stranggießen von Metallen, insbesondere von Stahl |
JPH03155436A (ja) * | 1989-11-10 | 1991-07-03 | Sumitomo Light Metal Ind Ltd | 水平連続鋳造方法 |
-
1998
- 1998-09-23 DE DE1998145837 patent/DE19845837A1/de not_active Withdrawn
- 1998-11-25 EP EP98962287A patent/EP1115521A1/de not_active Withdrawn
- 1998-11-25 MX MXPA01002439A patent/MXPA01002439A/es unknown
- 1998-11-25 JP JP2000573880A patent/JP2002526266A/ja active Pending
- 1998-11-25 AU AU17505/99A patent/AU1750599A/en not_active Abandoned
- 1998-11-25 WO PCT/DE1998/003511 patent/WO2000016933A1/de not_active Application Discontinuation
- 1998-11-25 PL PL98346833A patent/PL188441B1/pl not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO0016933A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE19845837A1 (de) | 2000-03-30 |
AU1750599A (en) | 2000-04-10 |
JP2002526266A (ja) | 2002-08-20 |
MXPA01002439A (es) | 2002-05-08 |
PL188441B1 (pl) | 2005-01-31 |
PL346833A1 (en) | 2002-02-25 |
WO2000016933A1 (de) | 2000-03-30 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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17P | Request for examination filed |
Effective date: 20010212 |
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AK | Designated contracting states |
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17Q | First examination report despatched |
Effective date: 20030709 |
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GRAP | Despatch of communication of intention to grant a patent |
Free format text: ORIGINAL CODE: EPIDOSNIGR1 |
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RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: HYTROS, ANDRZEJ Inventor name: FISCHER, EBERHARD |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20040327 |