EP1677926A2 - Verfahren zum giessen von formteilen - Google Patents
Verfahren zum giessen von formteilenInfo
- Publication number
- EP1677926A2 EP1677926A2 EP04790002A EP04790002A EP1677926A2 EP 1677926 A2 EP1677926 A2 EP 1677926A2 EP 04790002 A EP04790002 A EP 04790002A EP 04790002 A EP04790002 A EP 04790002A EP 1677926 A2 EP1677926 A2 EP 1677926A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- mold
- insulation
- casting
- core package
- molded part
- 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.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/04—Influencing the temperature of the metal, e.g. by heating or cooling the mould
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D27/00—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
- B22D27/15—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using vacuum
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/001—Removing cores
- B22D29/003—Removing cores using heat
Definitions
- the invention relates to a method for casting molded parts.
- the invention relates generally to the casting of molded parts, i.e. on the foundry technology.
- foundry cores and / or molds are usually produced from separate parts, brought together and connected to one another to form a mold or a core package or mold package.
- mold / core packages are then filled with molten metal to produce, for example, a metallic workpiece, with the mold / core packages to be filled with molten metal passing through the production line in a row in series production.
- molded parts have been cast in a mold, which in turn consists of cores or a core package. After the mold has been fired and completed, it is incorporated into a further mold or environment made of core sand in order to be able to guarantee the required mechanical stability.
- the molding sand forming the mold / core package must then be removed from the cast molding. Due to a binding agent, the molding sand has to be disposed of or recycled in a special way. The effort involved is considerable.
- the method known from the prior art requires a considerable supply of energy in the form of the heat introduced into the mold package with the melt, which has so far been more or less lost via the cooling process.
- additional energy had to be used to anneal the binder and thus to recycle the molding / grain sand.
- the present invention is based on the object of designing and developing the generic method discussed above in such a way that the energy used for casting is used in the best possible way.
- Provision of the mold or a core package made up of individual molds and / or cores of molding sand,
- the process heat can be used to burn the organic or inorganic binder in the molding sand, so that special recycling measures are then no longer necessary. Special disposal of the molding sand as special waste is then no longer necessary if you do not want to continue using the molding sand.
- the process heat can also be used to heat the molded part.
- the molded part could be cooled in a particularly advantageous manner in a controlled manner, the thermal insulation around the actual core package being of particular importance.
- the flue gases generated during the combustion of the binder are retained within the device for heat insulation. They can be vacuumed off at the end of the insulation process. The concentrated presence of the harmful gases makes it considerably easier to dispose of or destroy them, which considerably simplifies the process.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mold Materials And Core Materials (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Manufacture Of Motors, Generators (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10350371 | 2003-10-28 | ||
DE10361535.0A DE10361535B4 (de) | 2003-10-28 | 2003-12-23 | Verfahren zum Gießen von Formteilen |
PCT/DE2004/002302 WO2005044485A2 (de) | 2003-10-28 | 2004-10-15 | Verfahren zum giessen von formteilen |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1677926A2 true EP1677926A2 (de) | 2006-07-12 |
Family
ID=34575409
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04790002A Ceased EP1677926A2 (de) | 2003-10-28 | 2004-10-15 | Verfahren zum giessen von formteilen |
Country Status (5)
Country | Link |
---|---|
US (1) | US7870884B2 (de) |
EP (1) | EP1677926A2 (de) |
JP (1) | JP2007509753A (de) |
CA (1) | CA2543327A1 (de) |
WO (1) | WO2005044485A2 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005046027A1 (de) * | 2005-09-05 | 2007-03-08 | HOS Hottinger Systems GbR (vertretungsberechtigter Gesellschafter: Walter Leo Pöhlandt, 68782 Brühl) | Verfahren zum Gießen von Formteilen |
DE102014110826A1 (de) | 2014-07-30 | 2016-02-04 | Fritz Winter Eisengiesserei Gmbh & Co. Kg | Verfahren zum Gießen von Gussteilen |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2164698A1 (de) * | 1971-12-27 | 1973-07-12 | Rheinstahl Huettenwerke Ag | Verfahren zur herstellung fussandfreier schmiedebloecke |
US4222429A (en) * | 1979-06-05 | 1980-09-16 | Foundry Management, Inc. | Foundry process including heat treating of produced castings in formation sand |
DE3200193A1 (de) * | 1982-01-07 | 1983-07-14 | Klöckner-Humboldt-Deutz AG, 5000 Köln | Verfahren zur herstellung eines hohlen giessereikerns |
DE3148461C1 (de) | 1981-12-08 | 1983-04-14 | Adolf Hottinger, Gießerei und Maschinenbau GmbH, 6800 Mannheim | Kern- und Maskenschießmaschine |
DE3305839A1 (de) * | 1983-02-19 | 1984-08-23 | Buderus Ag, 6330 Wetzlar | Verfahren zum herstellen eines gussstueckes |
GB2230720A (en) * | 1989-04-29 | 1990-10-31 | Maverex International Limited | Removing moulding material particles from a casting |
EP0890400B1 (de) * | 1997-06-17 | 2002-07-31 | Wärtsilä Schweiz AG | Giessverfahren zum Herstellen metallischer Giesslinge |
-
2004
- 2004-10-15 JP JP2006537049A patent/JP2007509753A/ja active Pending
- 2004-10-15 WO PCT/DE2004/002302 patent/WO2005044485A2/de active Application Filing
- 2004-10-15 EP EP04790002A patent/EP1677926A2/de not_active Ceased
- 2004-10-15 CA CA002543327A patent/CA2543327A1/en not_active Abandoned
-
2006
- 2006-04-27 US US11/412,275 patent/US7870884B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2005044485A2 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005044485A2 (de) | 2005-05-19 |
US7870884B2 (en) | 2011-01-18 |
WO2005044485A3 (de) | 2005-09-01 |
JP2007509753A (ja) | 2007-04-19 |
US20060185814A1 (en) | 2006-08-24 |
CA2543327A1 (en) | 2005-05-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
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 |
|
17P | Request for examination filed |
Effective date: 20060517 |
|
AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): CH DE ES FR GB IT LI |
|
DAX | Request for extension of the european patent (deleted) | ||
RBV | Designated contracting states (corrected) |
Designated state(s): CH DE ES FR GB IT LI |
|
RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: DER ERFINDER HAT AUF SEINE NENNUNG VERZICHTET. |
|
17Q | First examination report despatched |
Effective date: 20080725 |
|
RAP1 | Party data changed (applicant data changed or rights of an application transferred) |
Owner name: MONTERO, GELSON G. |
|
STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION HAS BEEN REFUSED |
|
18R | Application refused |
Effective date: 20100205 |