EA200400295A1 - METHOD AND DEVICE FOR THE PRODUCTION OF CASTING FORMS OR RODS FOR THE PURPOSE OF FOUNDRY MANUFACTURE - Google Patents
METHOD AND DEVICE FOR THE PRODUCTION OF CASTING FORMS OR RODS FOR THE PURPOSE OF FOUNDRY MANUFACTUREInfo
- Publication number
- EA200400295A1 EA200400295A1 EA200400295A EA200400295A EA200400295A1 EA 200400295 A1 EA200400295 A1 EA 200400295A1 EA 200400295 A EA200400295 A EA 200400295A EA 200400295 A EA200400295 A EA 200400295A EA 200400295 A1 EA200400295 A1 EA 200400295A1
- Authority
- EA
- Eurasian Patent Office
- Prior art keywords
- mold
- water
- casting
- magnesium sulphate
- binder
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/12—Treating moulds or cores, e.g. drying, hardening
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
Для изготовления литейных форм или стержней (2) для целей литейного производства приготавливается смесь (3) из формовочного песка и связующего и загружается в пресс-форму (8), например, в пескострельной машине. При этом в качестве связующего применяется известное связующее или безводный сульфат магния и/или по меньшей мере одноводный или многоводный сульфат магния, диспергированный или растворенный в воде, который смешивается с формовочным песком и загружается или выстреливается в пресс-форму для литейной формы или стержня. Для отверждения затем вода и часть кристаллизационной воды за счет нагрева испаряются и удаляются посредством газообразной среды, что может быть осуществлено с высокой скоростью. После литья подобный стержень или подобная состоящая из формовочного песка литейная форма может очень быстро отделяться из отливки и вымываться, так как сульфат магния сохраняет свое свойство переходить в раствор.Международная заявка была опубликована вместе с отчетом о международном поиске.For the manufacture of casting molds or cores (2) for the purposes of the foundry, a mixture (3) of molding sand and a binder is prepared and loaded into a mold (8), for example, in a sandblasting machine. In this case, a known binder or anhydrous magnesium sulphate and / or at least monohydrate or high-water magnesium sulphate dispersed or dissolved in water, which is mixed with the molding sand and loaded or shot into a mold for a mold or core, is used as a binder. For curing, then the water and part of the water of crystallization due to heating are evaporated and removed by means of a gaseous medium, which can be carried out at high speed. After casting, a similar core or similar mold sand consisting of molding sand can be very quickly separated from the casting and washed out, since magnesium sulphate retains its ability to go into solution. The international application was published along with an international search report.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE10138287 | 2001-08-10 | ||
| DE10200927A DE10200927A1 (en) | 2001-08-10 | 2002-01-12 | Method and device for producing molds or cores for foundry purposes |
| PCT/EP2002/007885 WO2003013761A1 (en) | 2001-08-10 | 2002-07-16 | Method and device for the production of molds or cores for foundry purposes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EA200400295A1 true EA200400295A1 (en) | 2004-06-24 |
| EA005362B1 EA005362B1 (en) | 2005-02-24 |
Family
ID=26009871
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EA200400295A EA005362B1 (en) | 2001-08-10 | 2002-07-16 | Method and device for the production of molds or cores for foundry purposes |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20040192806A1 (en) |
| EP (1) | EP1417061A1 (en) |
| JP (1) | JP2005508252A (en) |
| CN (1) | CN1538887A (en) |
| CA (1) | CA2457588A1 (en) |
| EA (1) | EA005362B1 (en) |
| MX (1) | MXPA04001086A (en) |
| WO (1) | WO2003013761A1 (en) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10251418B3 (en) * | 2002-11-02 | 2004-02-26 | Laempe + Gies Gmbh | Production of molds or cores made from a mixture of sand and binder dissolved in water and/or containing water of crystallization, e.g. magnesium sulfate comprises feeding heat into the sand before its inclusion into a molding or core tool |
| JP2004283859A (en) * | 2003-03-20 | 2004-10-14 | Toyota Motor Corp | Water-soluble core and its manufacturing method |
| KR101141849B1 (en) | 2010-04-23 | 2012-05-07 | (주)대보스틸 | A Stiffenner of a Mold |
| CN103302231A (en) * | 2013-06-20 | 2013-09-18 | 重庆长江造型材料（集团）股份有限公司 | Solidification method for wet core of water-based adhesive |
| EP2848332B1 (en) * | 2013-09-11 | 2015-08-05 | Lüber GmbH | Device and method for hardening foundry cores |
| CN105562613B (en) * | 2014-10-10 | 2018-02-13 | 咸阳勃力模具制造有限公司 | A kind of one-time formed method of aero-engine porous plate diverging cooling turbo blade ceramic core |
| DE112016006377T5 (en) * | 2016-03-07 | 2018-10-18 | Suzhou Mingzhi Technology Co., Ltd | Core production machine with integrated microwave curing function |
| DE102017217096B3 (en) | 2016-12-06 | 2018-03-22 | Wolfram Bach | Tool insert, forming or core tool and method for making molds or cores |
| EP3473351B8 (en) | 2017-10-17 | 2024-03-06 | MAGMA Gießereitechnologie GmbH | Core shooting apparatus and method for controlling core shooting apparatus |
| JP7372766B2 (en) * | 2018-07-09 | 2023-11-01 | 花王株式会社 | Inorganic coated sand |
| DE202018106268U1 (en) | 2018-11-04 | 2018-11-28 | Wolfram Bach | Tool for producing molds or cores by electrical resistance heating of a plastic-based material |
| DE102020209100A1 (en) | 2020-07-21 | 2022-01-27 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung eingetragener Verein | Process for the production of sand cores that can be used for foundry purposes |
| CN112157248B (en) * | 2020-09-25 | 2021-12-10 | 河北欧耐机械模具股份有限公司 | Precoated sand casting mold |
| RU2763701C1 (en) * | 2021-06-22 | 2021-12-30 | федеральное государственное бюджетное образовательное учреждение высшего образования "Нижегородский государственный технический университет им. Р.Е. Алексеева" (НГТУ) | Method for making cores and molds |
| CN113458345A (en) * | 2021-07-15 | 2021-10-01 | 内蒙古金域凤形矿业耐磨材料有限公司 | Sand box for lost foam casting process |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU839648A1 (en) * | 1979-02-14 | 1981-06-23 | Предприятие П/Я В-8231 | Mixture for producing water soluble cores at aluminium alloy casting production |
| JPS60124441A (en) * | 1983-12-12 | 1985-07-03 | Hitachi Ltd | Drying method of casting mold |
| KR890004247B1 (en) * | 1984-04-02 | 1989-10-28 | 가부시기가이샤 히다찌세이사꾸쇼 | Slip casting forming method and mold |
| DE4037091C2 (en) * | 1990-11-22 | 1996-06-20 | Leybold Ag | Device for generating a homogeneous microwave field |
| JPH05104200A (en) * | 1991-10-16 | 1993-04-27 | Hitachi Metals Ltd | Manufacture of mold |
| DE19632293C2 (en) * | 1996-08-09 | 1999-06-10 | Thomas Prof Dr In Steinhaeuser | Process for the production of core moldings for foundry technology |
| US6371194B1 (en) * | 1996-08-09 | 2002-04-16 | Vaw Aluminium Ag | Method for producing core preforms and recycling core sand for a foundry |
-
2002
- 2002-07-16 CN CNA02815469XA patent/CN1538887A/en active Pending
- 2002-07-16 WO PCT/EP2002/007885 patent/WO2003013761A1/en not_active Application Discontinuation
- 2002-07-16 MX MXPA04001086A patent/MXPA04001086A/en not_active Application Discontinuation
- 2002-07-16 CA CA002457588A patent/CA2457588A1/en not_active Abandoned
- 2002-07-16 EP EP02754890A patent/EP1417061A1/en not_active Withdrawn
- 2002-07-16 EA EA200400295A patent/EA005362B1/en not_active IP Right Cessation
- 2002-07-16 JP JP2003518753A patent/JP2005508252A/en active Pending
- 2002-07-16 US US10/486,475 patent/US20040192806A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| CA2457588A1 (en) | 2003-02-20 |
| EP1417061A1 (en) | 2004-05-12 |
| MXPA04001086A (en) | 2004-07-08 |
| US20040192806A1 (en) | 2004-09-30 |
| JP2005508252A (en) | 2005-03-31 |
| EA005362B1 (en) | 2005-02-24 |
| WO2003013761A1 (en) | 2003-02-20 |
| CN1538887A (en) | 2004-10-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): AM AZ KZ KG MD TJ TM |
|
| MM4A | Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s) |
Designated state(s): BY RU |