EP1877212A2 - Verfahren zum herstellen einer vielzahl von insbesondere aus titanaluminid bestehenden bauteilen und vorrichtung zur durchführung dieses verfahrens - Google Patents
Verfahren zum herstellen einer vielzahl von insbesondere aus titanaluminid bestehenden bauteilen und vorrichtung zur durchführung dieses verfahrensInfo
- Publication number
- EP1877212A2 EP1877212A2 EP06742226A EP06742226A EP1877212A2 EP 1877212 A2 EP1877212 A2 EP 1877212A2 EP 06742226 A EP06742226 A EP 06742226A EP 06742226 A EP06742226 A EP 06742226A EP 1877212 A2 EP1877212 A2 EP 1877212A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- shell
- mold
- crucible
- melt
- casting
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
- B22D23/006—Casting by filling the mould through rotation of the mould together with a molten metal holding recipient, about a common axis
Definitions
- the invention relates to a method for producing a plurality of components consisting in particular of titanium aluminide, in which a melt of the material from which the components are to be made is introduced into the components of the negative-forming mold shells and removed after the melt has solidified ,
- Typical components made by such a method include, for example, turbine blades or wheels for turbochargers.
- the procedure is as follows.
- the largest possible number of shell molds are combined into a tree by first producing a positive mold made of wax, which images both the individual components and the feed channels.
- the negative mold is used to produce a multi-shaped shell made of ceramic, which has a central inlet nozzle and with the one of the number of individual shells in the Multiformschale corresponding number of components can be produced in one piece.
- To fill this Multiformschale a larger amount of material is melted and introduced into the Multiformschale.
- the invention is therefore based on the object of representing a casting method which is particularly suitable for the production of components made of intermetallic compounds and, moreover, makes possible a cost-effective mass production of components, irrespective of the particular material used.
- the invention provides that the mold shells are individually supplied to a casting apparatus in a given power stroke and that the melts are each produced in the amount needed to fill a mold shell from a size corresponding to an ingot in the same working cycle ,
- the invention thus solves the concept of simultaneous casting of a plurality of components and goes over to a single-piece line concept in which the mold shells are poured out cyclically, the currently required amount of melt is currently provided.
- the melt can reach the mold shell on a short path, so that partial solidification on the way to the mold shell can not occur at all. This will considerably reduce reject rates.
- the shell molds only have to represent the component, but not the supply channels to the shell mold, the consumption of ceramic or Gussemateri- than significantly reduced, so that a reduction in the number of items is to be expected here.
- the planned cycle time of the system should be about 1 minute per component or less. This is possible according to the invention because:
- the components are cast and processed individually;
- the required amount of material corresponds to the component volume and thus short melting times are realized
- a system for carrying out the process can be built compact and thus the melt passes in a short way in the shell mold;
- the invention preferably provides that the crucibles have only a corresponding size.
- Such crucibles which consist of little crucible material can be heated quickly, so that there is no unnecessary waste of energy.
- the crucibles are used only once, so that any impurities that may occur are not passed on to the next melt.
- the invention therefore provides that the melt is not poured off in a jet, but is plunged into the mold shell.
- the shell mold is placed upside down on the edge of the crucible filled with the melt, so that crucible and shell form a common cavity, and that thereafter the arrangement of crucible and shell mold about a horizontal axis by more than 90 °, preferably by 180 °, to be turned around.
- the molten material plunges or falls into the shell mold, wherein the melt under its own weight and the absorbed energy traps with force in the shell mold and cleanly fills even the smallest formations in the shell mold.
- the shell molds can be executed as lost shell molds, which are fed cyclically empty of the casting apparatus and removed again filled.
- Such form consist, as already mentioned above, preferably made of a ceramic.
- the shell molds can also be thought to execute the shell molds as two-part permanent molds. This is particularly useful when the solidification takes place relatively quickly, virtually in the predetermined cycle of the casting apparatus. In this case, after solidification, the permanent mold need only be opened, so that the solidified component falls out. Should the solidification take longer than a possible working cycle, two or three permanent molds can be used alternately.
- the invention further relates to an apparatus for carrying out the method described above.
- the device is characterized in that it consists of a casting chamber, in which a crucible with molten material and a mold shell are provided in turn, which further comprises a casting device to connect the crucible and shell molding together so that the shell mold falls down on the crucible edge , and which is capable of tilting the crucible together with the shell mold about a horizontal axis by more than 90 °, preferably by 180 °.
- the invention provides that the casting chamber is immediately preceded by a melting chamber into which a one-pot crucible is intermittently introduced and subjected to a melting energy containing the ingot melts.
- the crucible is transferred from the melting chamber into the casting chamber and can be connected to the shell mold in the manner previously described.
- an induction heating is preferably provided, which is provided in the melting chamber and in which the crucibles dip cyclically.
- the casting chamber has a feeding device, by means of which the shell molds are fed cyclically.
- the shell molds are fed cyclically.
- one or more two-part permanent mold shells may be provided in the casting chamber.
- the casting chamber can be designed as a vacuum chamber, which is provided in this case with appropriate locks.
- the casting device may be provided with a heating device, are heated with the crucible and / or shell mold to the casting.
- Fig. 1 is a schematic representation of a system with which the inventive method can be performed;
- Fig. 2 shows the connection of the crucible with a mold shell in a holder.
- the center of the plant is formed by a casting chamber 1, which optionally has a vacuum connection 2, so that the casting is done under vacuum.
- this casting chamber 1 is cyclically traversed by shell molds 3, which are supplied on one side of the casting chamber 1 via a lock 4 and discharged on the other side via a further lock 5.
- crucible 6 are passed through the casting chamber 1, wherein the filled with an ingot crucible 6 via a third lock 7, which also serves as a melting chamber, the casting chamber 1 and discharged via a fourth lock 9 of the casting chamber 1 are removed.
- the first sheath 4 for shell molds can also be designed as a heating chamber in order to preheat the shell molds.
- the melting of the material in the melting chamber 7 is preferably carried out by means of an induction heater, which is not shown here in detail, but which belongs to the prior art and the skilled person is well known.
- Shells 3 and crucible 6 are transported on conveyor lines, each working in cycles.
- a crucible 6 and a shell 3 are brought together in the manner shown in Figure 2 in each case.
- robots or handling devices which are not shown in more detail, are present, which drop the mold shell 3 onto a crucible 6 so that a common cavity 10 is formed.
- the melt 11 which is just enough, the molding bowl 3 to fill.
- the shell 3 is just so large to image the component.
- a feed channel 12 is kept as short as possible.
- brackets may be provided to hold the crucible 6 and shell 3 firmly together.
- Suitable for this purpose is, for example, a frame 15, which is indicated schematically in FIG. 2 and which has lugs 16, 17, which are supported on the one hand at the head of the shell 3 or at the bottom of the crucible 6.
- the frame 15 is optionally provided with heating coils 18 which are arranged both around the crucible 6 and around the shell mold 3 and are intended to hold the assembly at a suitable casting temperature.
- the frame 15 is rotated about a horizontal axis 20, which extends, for example, through the connection between the mold shell 3 and crucible 6. After a rapid rotation through 180 °, the shell mold 3 is below the crucible 6, so that the melt 11 plunges into the shell mold 3.
- the handling device separates the emptied crucible 6 and the filled mold shell 3 and transports them out of the casting chamber 1 through the second or fourth sheath 5, 8, so that in the next cycle a new shell 3 and a new crucible 6 into the casting chamber 1 can be introduced for pouring the mold shell.
- a lost mold shell it is also possible to use a permanent mold shell, which is preferably in two parts.
- a lock provided with a lock. hene opening through which the solidified component can fall through after opening the shell mold 3.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacture And Refinement Of Metals (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Crucibles And Fluidized-Bed Furnaces (AREA)
- Catalysts (AREA)
- Powder Metallurgy (AREA)
- Continuous Casting (AREA)
- Inorganic Compounds Of Heavy Metals (AREA)
- Manufacture Of Alloys Or Alloy Compounds (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL06742226T PL1877212T3 (pl) | 2005-04-07 | 2006-04-06 | Sposób wytwarzania wielu elementów wykonanych zwłaszcza z aluminidku tytanu i urządzenie do realizowania tego sposobu |
| SI200630771T SI1877212T1 (sl) | 2005-04-07 | 2006-04-06 | Postopek za izdelavo množice komponent, sestoječih še zlasti iz titanovega aluminida, in naprava za izvajanje tega postopka |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005015862A DE102005015862A1 (de) | 2005-04-07 | 2005-04-07 | Verfahren zum Herstellen einer Vielzahl von insbesondere aus Titanaluminid bestehenden Bauteilen und Vorrichtung zur Durchführung dieses Verfahrens |
| PCT/DE2006/000616 WO2006105780A2 (de) | 2005-04-07 | 2006-04-06 | Verfahren zum herstellen einer vielzahl von insbesondere aus titanaluminid bestehenden bauteilen und vorrichtung zur durchführung dieses verfahrens |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1877212A2 true EP1877212A2 (de) | 2008-01-16 |
| EP1877212B1 EP1877212B1 (de) | 2010-06-09 |
Family
ID=36930408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06742226A Expired - Lifetime EP1877212B1 (de) | 2005-04-07 | 2006-04-06 | Verfahren zum herstellen einer vielzahl von insbesondere aus titanaluminid bestehenden bauteilen und vorrichtung zur durchführung dieses verfahrens |
Country Status (9)
| Country | Link |
|---|---|
| US (2) | US8042599B2 (de) |
| EP (1) | EP1877212B1 (de) |
| JP (1) | JP4495770B2 (de) |
| AT (1) | ATE470522T1 (de) |
| DE (3) | DE102005015862A1 (de) |
| ES (1) | ES2346999T3 (de) |
| PL (1) | PL1877212T3 (de) |
| SI (1) | SI1877212T1 (de) |
| WO (1) | WO2006105780A2 (de) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8245759B2 (en) | 2008-06-06 | 2012-08-21 | GM Global Technology Operations LLC | Ladle for molten metal |
| US8858697B2 (en) | 2011-10-28 | 2014-10-14 | General Electric Company | Mold compositions |
| US9011205B2 (en) | 2012-02-15 | 2015-04-21 | General Electric Company | Titanium aluminide article with improved surface finish |
| US8932518B2 (en) | 2012-02-29 | 2015-01-13 | General Electric Company | Mold and facecoat compositions |
| US8906292B2 (en) | 2012-07-27 | 2014-12-09 | General Electric Company | Crucible and facecoat compositions |
| US8708033B2 (en) | 2012-08-29 | 2014-04-29 | General Electric Company | Calcium titanate containing mold compositions and methods for casting titanium and titanium aluminide alloys |
| US8992824B2 (en) | 2012-12-04 | 2015-03-31 | General Electric Company | Crucible and extrinsic facecoat compositions |
| US9592548B2 (en) | 2013-01-29 | 2017-03-14 | General Electric Company | Calcium hexaluminate-containing mold and facecoat compositions and methods for casting titanium and titanium aluminide alloys |
| US9192983B2 (en) | 2013-11-26 | 2015-11-24 | General Electric Company | Silicon carbide-containing mold and facecoat compositions and methods for casting titanium and titanium aluminide alloys |
| US9511417B2 (en) | 2013-11-26 | 2016-12-06 | General Electric Company | Silicon carbide-containing mold and facecoat compositions and methods for casting titanium and titanium aluminide alloys |
| US10391547B2 (en) | 2014-06-04 | 2019-08-27 | General Electric Company | Casting mold of grading with silicon carbide |
Family Cites Families (31)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB633946A (en) * | 1947-02-10 | 1949-12-30 | Hocking Lothar Norman | Improvements in the casting of metals and alloys |
| GB842158A (en) * | 1957-05-07 | 1960-07-20 | Misco Prec Casting Company | Process of casting titanium and related metal and alloys and apparatus therefor |
| US3237247A (en) * | 1963-11-08 | 1966-03-01 | Budd Co | Rotational casting apparatus |
| US3989088A (en) * | 1975-12-29 | 1976-11-02 | Ipco Hospital Supply Corporation (Whaledent International Division) | Casting machine and improved control circuit for operation |
| DE2651842A1 (de) * | 1976-11-13 | 1978-05-24 | Degussa | Vorrichtung zum giessen von metallkoerpern, insbesondere von dentalgusskoerpern |
| DE2921192C2 (de) * | 1979-05-25 | 1986-02-06 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Gießgerät, insbesondere Vakuum-Druck-Gießgerät für die Dentaltechnik |
| JP2595534B2 (ja) * | 1987-04-30 | 1997-04-02 | 大同特殊鋼株式会社 | Ti−A▲l▼合金鋳物の製造方法 |
| IN170880B (de) * | 1987-05-07 | 1992-06-06 | Metal Casting Tech | |
| JPH0433768A (ja) * | 1990-05-25 | 1992-02-05 | Sumitomo Light Metal Ind Ltd | アルミナイドの鋳造方法 |
| GB9015090D0 (en) * | 1990-07-09 | 1990-08-29 | British Telecomm | Method for the preparation of halide glass articles |
| AT399513B (de) * | 1990-10-05 | 1995-05-26 | Boehler Edelstahl | Verfahren und vorrichtung zur herstellung von metallischen legierungen für vormaterialien, bauteile, werkstücke oder dergleichen aus titan-aluminium-basislegierungen |
| EP0530968A1 (de) * | 1991-08-29 | 1993-03-10 | General Electric Company | Methode zum Giessen mit gerichteter Erstarrung eines Titanaluminides |
| JP3125394B2 (ja) * | 1991-12-06 | 2001-01-15 | 日本鋼管株式会社 | チタン−アルミニウム合金鋳造物の鋳造方法 |
| JP2813764B2 (ja) * | 1992-03-13 | 1998-10-22 | 工業技術院長 | 活性金属のガス加圧鋳造方法 |
| DE4215194C2 (de) * | 1992-05-08 | 1995-06-29 | Abb Patent Gmbh | Hochwarmfester Werkstoff |
| US5287910A (en) * | 1992-09-11 | 1994-02-22 | Howmet Corporation | Permanent mold casting of reactive melt |
| US5299619A (en) * | 1992-12-30 | 1994-04-05 | Hitchiner Manufacturing Co., Inc. | Method and apparatus for making intermetallic castings |
| JPH07148547A (ja) * | 1993-11-30 | 1995-06-13 | Honda Motor Co Ltd | 鋳型回動式重力鋳造法 |
| DE59507205D1 (de) * | 1994-06-09 | 1999-12-16 | Ald Vacuum Techn Gmbh | Verfahren zum Herstellen von Gussteilen aus reaktiven Metallen und wiederverwendbare Giessform zur Durchführung des Verfahrens |
| JPH08176810A (ja) * | 1994-12-27 | 1996-07-09 | Kobe Steel Ltd | Al−高融点金属系合金鋳塊の製造方法およびターゲット材 |
| DE19607805C1 (de) * | 1996-03-01 | 1997-07-17 | Ald Vacuum Techn Gmbh | Verfahren und Vorrichtung zum Schmelzen und Gießen von Metallen in Formen |
| DE19716440C1 (de) * | 1997-04-19 | 1998-08-13 | Walter Notar | Vorrichtung zum Vergießen von metallischen Werkstoffen |
| DE19808552A1 (de) * | 1998-02-06 | 1999-08-12 | Herbst Bremer Goldschlaegerei | Gußvorrichtung, insbesondere Druckgußvorrichtung zur Herstellung von Dentalgußteilen, und Verfahren |
| JP4245212B2 (ja) | 1998-12-14 | 2009-03-25 | 株式会社デンケン | 歯科技工用反転式加圧鋳造方法及びその装置 |
| DE10057308A1 (de) * | 2000-11-17 | 2002-05-23 | Buehler Druckguss Ag Uzwil | Verfahren zur Herstellung hochbelasteter Teile aus Titanwerkstoffen |
| DE10120493C1 (de) * | 2001-04-26 | 2002-07-25 | Ald Vacuum Techn Ag | Verfahren und Vorrichtung zum Herstellen von Präzisionsgußteilen |
| JP2003266166A (ja) * | 2002-03-13 | 2003-09-24 | Daido Steel Co Ltd | 高融点活性金属の上注ぎ造塊装置 |
| JP2004024375A (ja) * | 2002-06-24 | 2004-01-29 | Denken:Kk | 歯科技工用鋳造装置 |
| PT103018A (pt) * | 2003-09-12 | 2005-03-31 | Univ Do Minho | Processo para obtencao de pecas em g-tiai por fundicao |
| JP4326923B2 (ja) * | 2003-11-28 | 2009-09-09 | 学校法人愛知学院 | 回転出湯式鋳造装置 |
| DE102004002956A1 (de) * | 2004-01-21 | 2005-08-11 | Mtu Aero Engines Gmbh | Verfahren zum Herstellen von Gussbauteilen |
-
2005
- 2005-04-07 DE DE102005015862A patent/DE102005015862A1/de not_active Withdrawn
-
2006
- 2006-04-06 US US11/887,983 patent/US8042599B2/en active Active
- 2006-04-06 WO PCT/DE2006/000616 patent/WO2006105780A2/de not_active Ceased
- 2006-04-06 ES ES06742226T patent/ES2346999T3/es not_active Expired - Lifetime
- 2006-04-06 EP EP06742226A patent/EP1877212B1/de not_active Expired - Lifetime
- 2006-04-06 PL PL06742226T patent/PL1877212T3/pl unknown
- 2006-04-06 JP JP2008504616A patent/JP4495770B2/ja not_active Expired - Fee Related
- 2006-04-06 SI SI200630771T patent/SI1877212T1/sl unknown
- 2006-04-06 AT AT06742226T patent/ATE470522T1/de active
- 2006-04-06 DE DE502006007171T patent/DE502006007171D1/de not_active Expired - Lifetime
- 2006-04-06 DE DE112006000844T patent/DE112006000844A5/de not_active Withdrawn
-
2011
- 2011-10-25 US US13/280,581 patent/US20120037334A1/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006105780A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2008534287A (ja) | 2008-08-28 |
| EP1877212B1 (de) | 2010-06-09 |
| WO2006105780A2 (de) | 2006-10-12 |
| US20120037334A1 (en) | 2012-02-16 |
| ES2346999T3 (es) | 2010-10-22 |
| DE102005015862A1 (de) | 2006-10-12 |
| PL1877212T3 (pl) | 2010-11-30 |
| DE112006000844A5 (de) | 2008-01-10 |
| SI1877212T1 (sl) | 2010-10-29 |
| DE502006007171D1 (de) | 2010-07-22 |
| US20090050284A1 (en) | 2009-02-26 |
| US8042599B2 (en) | 2011-10-25 |
| WO2006105780A3 (de) | 2007-03-29 |
| ATE470522T1 (de) | 2010-06-15 |
| JP4495770B2 (ja) | 2010-07-07 |
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