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EP1095719A3 - Bindemittelsystem, Kernsandgemisch und Verfahren zu seiner Herstellung - Google Patents

Bindemittelsystem, Kernsandgemisch und Verfahren zu seiner Herstellung Download PDF

Info

Publication number
EP1095719A3
EP1095719A3 EP00122845A EP00122845A EP1095719A3 EP 1095719 A3 EP1095719 A3 EP 1095719A3 EP 00122845 A EP00122845 A EP 00122845A EP 00122845 A EP00122845 A EP 00122845A EP 1095719 A3 EP1095719 A3 EP 1095719A3
Authority
EP
European Patent Office
Prior art keywords
core
binder
solution
amount
core sand
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
Application number
EP00122845A
Other languages
English (en)
French (fr)
Other versions
EP1095719A2 (de
EP1095719B1 (de
Inventor
Thomas Prof. Dr.-Ing. Steinhäuser
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydro Aluminium Deutschland GmbH
Original Assignee
Vereinigte Aluminium Werke AG
Vaw Aluminium AG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Vereinigte Aluminium Werke AG, Vaw Aluminium AG filed Critical Vereinigte Aluminium Werke AG
Priority to SI200030829T priority Critical patent/SI1095719T1/sl
Publication of EP1095719A2 publication Critical patent/EP1095719A2/de
Publication of EP1095719A3 publication Critical patent/EP1095719A3/de
Application granted granted Critical
Publication of EP1095719B1 publication Critical patent/EP1095719B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/167—Mixtures of inorganic and organic binding agents
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/18—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of inorganic agents
    • B22C1/186—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of inorganic agents contaming ammonium or metal silicates, silica sols
    • B22C1/188—Alkali metal silicates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C1/00—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds
    • B22C1/16—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents
    • B22C1/20—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents
    • B22C1/205—Compositions of refractory mould or core materials; Grain structures thereof; Chemical or physical features in the formation or manufacture of moulds characterised by the use of binding agents; Mixtures of binding agents of organic agents of organic silicon or metal compounds, other organometallic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C13/00—Moulding machines for making moulds or cores of particular shapes
    • B22C13/12—Moulding machines for making moulds or cores of particular shapes for cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
    • B22C15/23—Compacting by gas pressure or vacuum
    • B22C15/24—Compacting by gas pressure or vacuum involving blowing devices in which the mould material is supplied in the form of loose particles
    • B22C15/245—Blowing tubes

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Organic Chemistry (AREA)
  • Mold Materials And Core Materials (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

Ein Bindemittelsystem auf Wasserglasbasis besteht aus einer wässrigen Alkalisilikatlösung der allgemeinen Zusammensetzung: xSiO2 · yM2O · zH2O, wobei für M die Alkalionen Li+, K+ oder Na+ stehen und einer hygroskopischen Base, die im Verhältnis 1 : 4 bis 1 : 6 zugesetzt wird, wobei der Modul Na2O/SiO2 gleich 2,5 bis 3,5 bei einem Feststoffanteil von 20 bis 40 % beträgt und wobei als hygroskopische Base 30 %ige Natronlauge in einer wässrigen Lösung verwendet wird. Erfindungsgemäß enthält die wässrige Alkalisilikatlösung eine Emulsionslösung mit 8 bis 10 % Silikonöl bezogen auf die Bindermenge, wobei das Silikonöl einen Siedenpunkt ≥ 250 ° aufweist. Die Bindermenge für ein Kernsandgemisch beträgt 1,0 bis 2,5 %, bezogen auf die Gesamtmenge an körnigem Feststoff, wobei das Herstellungsverfahren in einer Kernschießmaschine, bestehend aus einem vertikal angeordneten Gehäuse mit einem horizontalen Lufteintritt durchgeführt wird. Das Kernsandgemisch wird über einen Trichter in einen geschlitzten Sandzylinder eingegeben. Die Verbindung zwischen Trichter und Sandzylinder ist während des Einschießens verschlossen. Das im geschlitzten Sandzylinder befindliche Kernsandgemisch wird mit einem Luftdruck von p1 verdichtet und dann bei einem Druck p2 > p1 in die Kernbüchse geschossen.
EP00122845A 1999-10-26 2000-10-20 Bindemittelsystem, Kernsandgemisch und Verfahren zu seiner Herstellung Expired - Lifetime EP1095719B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SI200030829T SI1095719T1 (sl) 1999-10-26 2000-10-20 Vezivni sistem, mesanica jedrnega peska in postopek za njegovo pripravo

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19951622A DE19951622A1 (de) 1999-10-26 1999-10-26 Bindemittelsystem auf Wasserglasbasis
DE19951622 1999-10-26

Publications (3)

Publication Number Publication Date
EP1095719A2 EP1095719A2 (de) 2001-05-02
EP1095719A3 true EP1095719A3 (de) 2001-06-20
EP1095719B1 EP1095719B1 (de) 2005-12-28

Family

ID=7926971

Family Applications (1)

Application Number Title Priority Date Filing Date
EP00122845A Expired - Lifetime EP1095719B1 (de) 1999-10-26 2000-10-20 Bindemittelsystem, Kernsandgemisch und Verfahren zu seiner Herstellung

Country Status (14)

Country Link
US (1) US7022178B1 (de)
EP (1) EP1095719B1 (de)
AT (1) ATE314168T1 (de)
BR (1) BR0015090B1 (de)
CZ (1) CZ297087B6 (de)
DE (4) DE29925011U1 (de)
ES (1) ES2255932T3 (de)
HU (1) HU225725B1 (de)
MX (1) MXPA02004239A (de)
NO (1) NO334154B1 (de)
SI (1) SI1095719T1 (de)
SK (1) SK286218B6 (de)
TR (1) TR200201117T2 (de)
WO (1) WO2001030517A2 (de)

Families Citing this family (28)

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DE102004042535B4 (de) * 2004-09-02 2019-05-29 Ask Chemicals Gmbh Formstoffmischung zur Herstellung von Gießformen für die Metallverarbeitung, Verfahren und Verwendung
DE102006011530A1 (de) * 2006-03-10 2007-09-13 Minelco Gmbh Form oder Formling, Gießerei-Formstoffgemisch und Verfahren zu seiner Herstellung
MX2009004130A (es) * 2006-10-19 2009-06-03 Ashland Suedchemie Kernfest Mezcla de materiales de moldeo que contiene carbohidratos.
DE102006049379A1 (de) 2006-10-19 2008-04-24 Ashland-Südchemie-Kernfest GmbH Phosphorhaltige Formstoffmischung zur Herstellung von Giessformen für die Metallverarbeitung
DE102007027577A1 (de) 2007-06-12 2008-12-18 Minelco Gmbh Formstoffmischung, Formling für Gießereizwecke und Verfahren zur Herstellung eines Formlings
DE102007051850A1 (de) * 2007-10-30 2009-05-07 Ashland-Südchemie-Kernfest GmbH Formstoffmischung mit verbesserter Fliessfähigkeit
DE102008041217A1 (de) * 2008-08-13 2010-02-18 Volkswagen Ag Formstoffbinder für schüttbare Formmassen und Verfahren zum Herstellen von Kerneinsätzen für Gussformen
EP2163328A1 (de) 2008-09-05 2010-03-17 Minelco GmbH Mit Wasserglas beschichteter und/oder vermischter Kern- oder Formsand mit einem Wassergehalt im Bereich von >= etwa 0,25 Gew.-% bis etwa 0,9 Gew.-%
MX339544B (es) * 2008-12-18 2016-05-31 Tenedora Nemak Sa De Cv Metodo y composicion de aglomerante para fabricacion de moldes y/o corazones de arena para fundicion.
KR101199111B1 (ko) * 2009-10-30 2012-11-09 현대자동차주식회사 주물용 중자 재료 혼합물, 주물용 중자 제조방법 및 이를 이용하여 제조된 주물용 중자
DE102011114626A1 (de) 2011-09-30 2013-04-04 Ask Chemicals Gmbh Beschichtungsmassen für anorganische Giessformen und Kerne und deren Verwendung
DE102011115025A1 (de) 2011-10-07 2013-04-11 Ask Chemicals Gmbh Beschichtungsmassen für anorganische Gießformen und Kerne enthaltend Salze und deren Verwendung
DE102011115024A1 (de) 2011-10-07 2013-04-11 Ask Chemicals Gmbh Beschichtungsmassen für anorganische Gießformen und Kerne umfassend Ameisensäureester und deren Verwendung
EP2836318A2 (de) * 2012-04-10 2015-02-18 Emil Müller GmbH Kerne auf der basis von salz, verfahren zu ihrer herstellung und deren verwendung
ES2628255T3 (es) 2013-10-19 2017-08-02 Peak Deutschland Gmbh Procedimiento para producir machos perdidos o piezas de molde para la producción de piezas fundidas.
CN104907485B (zh) * 2015-06-16 2018-01-12 沈阳汇亚通铸造材料有限责任公司 一种温芯盒用无机黏结剂及其制备方法和应用
ITUA20162227A1 (it) * 2016-04-01 2017-10-01 Cavenaghi S P A Sistema legante inorganico per fonderia
CZ306766B6 (cs) * 2016-06-03 2017-06-21 Slévárna HEUNISCH Brno s.r.o. Modifikovaná vstřelovací trubice pro jádrařské vstřelovací stroje
CN106424598B (zh) * 2016-11-15 2018-10-09 盐城市汉铜智能铸造设备有限公司 上下射砂全自动砂型铸造造型机储砂筒结构
CN106424595B (zh) * 2016-11-15 2018-10-09 盐城市汉铜智能铸造设备有限公司 上下射砂全自动砂型铸造造型机铜套安装结构
DE102017107658A1 (de) 2017-01-04 2018-07-05 HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung Schlichtezusammensetzung für die Gießereiindustrie, enthaltend partikuläres, amorphes Siliziumdioxid und Säure
DE102017107657A1 (de) 2017-01-04 2018-07-05 HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung Schlichtezusammensetzung, umfassend organische Esterverbindungen und partikuläres, amorphes Siliziumdioxid, zur Verwendung in der Gießereiindustrie
DE102017107655A1 (de) 2017-01-04 2018-07-05 HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung Verwendung einer Säure enthaltenden Schlichtezusammensetzung in der Gießereiindustrie
DE102017107531A1 (de) 2017-04-07 2018-10-11 HÜTTENES-ALBERTUS Chemische Werke Gesellschaft mit beschränkter Haftung Verfahren zur Herstellung von Gießformen, Kernen und daraus regenerierten Formgrundstoffen
CN110405135A (zh) * 2019-08-19 2019-11-05 陈星利 一种铸造用新型改性水玻璃及铸造用新型改性水玻璃砂
CN110496935B (zh) * 2019-09-23 2021-05-25 湖北工业大学 用于温芯盒工艺磷酸盐粘结剂的配套液体固化剂及其使用方法
CN111644558B (zh) * 2020-06-18 2021-12-07 广州润京科技有限公司 一种混合增强型水玻璃无机粘接剂及其制备方法
DE102020127603A1 (de) 2020-10-20 2022-04-21 Kurtz Gmbh Verfahren und Vorrichtung zum Gießen eines metallenen Gussteils mittels eines Sandkernes

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB857132A (en) * 1958-01-16 1960-12-29 Midland Silicones Ltd Improvements in or relating to foundry sand compositions
GB1332943A (en) * 1971-05-27 1973-10-10 Nii Tekh Avtomobil Promy Device for forced filling of moulding and core boxes with moulding amterial
US4162238A (en) * 1973-07-17 1979-07-24 E. I. Du Pont De Nemours And Company Foundry mold or core compositions and method
GB2013121A (en) * 1977-11-29 1979-08-08 Fordath Ltd Treating Foundry Sand
GB2016483A (en) * 1978-03-09 1979-09-26 Ahlsell Ir Ab Method at the making of bodies of granular and/or fibrous material with sodium silicate or potassium silicate as binder
FR2464766A1 (fr) * 1979-09-07 1981-03-20 Ahlsell Ir Ab Procede de fabrication d'un moule ou noyau de fonderie en materiau granulaire et/ou fibreux
JPH02263775A (ja) * 1989-04-04 1990-10-26 Daiso Co Ltd 無機質発泡体の製法
US5601777A (en) * 1993-10-27 1997-02-11 Georg Fischer Giessereianlagen Ag Process for compressing granular material in a molding box
DE19632293A1 (de) * 1996-08-09 1998-02-19 Thomas Prof Dr In Steinhaeuser Verfahren zur Herstellung von Kernformlingen für die Gießereitechnik

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Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB857132A (en) * 1958-01-16 1960-12-29 Midland Silicones Ltd Improvements in or relating to foundry sand compositions
GB1332943A (en) * 1971-05-27 1973-10-10 Nii Tekh Avtomobil Promy Device for forced filling of moulding and core boxes with moulding amterial
US4162238A (en) * 1973-07-17 1979-07-24 E. I. Du Pont De Nemours And Company Foundry mold or core compositions and method
GB2013121A (en) * 1977-11-29 1979-08-08 Fordath Ltd Treating Foundry Sand
GB2016483A (en) * 1978-03-09 1979-09-26 Ahlsell Ir Ab Method at the making of bodies of granular and/or fibrous material with sodium silicate or potassium silicate as binder
FR2464766A1 (fr) * 1979-09-07 1981-03-20 Ahlsell Ir Ab Procede de fabrication d'un moule ou noyau de fonderie en materiau granulaire et/ou fibreux
JPH02263775A (ja) * 1989-04-04 1990-10-26 Daiso Co Ltd 無機質発泡体の製法
US5601777A (en) * 1993-10-27 1997-02-11 Georg Fischer Giessereianlagen Ag Process for compressing granular material in a molding box
DE19632293A1 (de) * 1996-08-09 1998-02-19 Thomas Prof Dr In Steinhaeuser Verfahren zur Herstellung von Kernformlingen für die Gießereitechnik

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Title
PATENT ABSTRACTS OF JAPAN vol. 015, no. 017 (C - 0796) 14 January 1991 (1991-01-14) *

Also Published As

Publication number Publication date
SK5722002A3 (en) 2003-03-04
BR0015090A (pt) 2002-06-11
DE29925010U1 (de) 2008-09-04
HUP0203178A2 (en) 2003-05-28
HU225725B1 (en) 2007-07-30
WO2001030517A3 (de) 2001-12-27
DE50011962D1 (de) 2006-02-02
EP1095719A2 (de) 2001-05-02
DE29925011U1 (de) 2008-10-02
EP1095719B1 (de) 2005-12-28
CZ20021415A3 (cs) 2003-01-15
TR200201117T2 (tr) 2002-12-23
ATE314168T1 (de) 2006-01-15
US7022178B1 (en) 2006-04-04
NO334154B1 (no) 2013-12-23
NO20021961L (no) 2002-04-25
DE19951622A1 (de) 2001-05-23
NO20021961D0 (no) 2002-04-25
SI1095719T1 (sl) 2006-08-31
ES2255932T3 (es) 2006-07-16
SK286218B6 (sk) 2008-05-06
WO2001030517A2 (de) 2001-05-03
BR0015090B1 (pt) 2011-01-25
MXPA02004239A (es) 2003-10-06
CZ297087B6 (cs) 2006-09-13

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