ES2034726T3 - Procedimiento de moldeo, con espuma perdida y bajo presion, de piezas metalicas. - Google Patents

Procedimiento de moldeo, con espuma perdida y bajo presion, de piezas metalicas.

Info

Publication number
ES2034726T3
ES2034726T3 ES198989420215T ES89420215T ES2034726T3 ES 2034726 T3 ES2034726 T3 ES 2034726T3 ES 198989420215 T ES198989420215 T ES 198989420215T ES 89420215 T ES89420215 T ES 89420215T ES 2034726 T3 ES2034726 T3 ES 2034726T3
Authority
ES
Spain
Prior art keywords
metal
pressure
under pressure
lost foam
molding procedure
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.)
Expired - Lifetime
Application number
ES198989420215T
Other languages
English (en)
Inventor
Michel Garat
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.)
Rio Tinto France SAS
Original Assignee
Aluminium Pechiney SA
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
Priority claimed from FR898903706A external-priority patent/FR2644087B2/fr
Application filed by Aluminium Pechiney SA filed Critical Aluminium Pechiney SA
Application granted granted Critical
Publication of ES2034726T3 publication Critical patent/ES2034726T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00—Pressure casting; Vacuum casting
    • 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
    • B22D27/09—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using pressure
    • B22D27/13—Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting by using pressure making use of gas pressure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/02—Sand moulds or like moulds for shaped castings
    • B22C9/04—Use of lost patterns
    • B22C9/046—Use of patterns which are eliminated by the liquid metal in the mould
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D2/00—Arrangement of indicating or measuring devices, e.g. for temperature or viscosity of the fused mass

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mold Materials And Core Materials (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Casting Devices For Molds (AREA)
  • Powder Metallurgy (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Pens And Brushes (AREA)
  • Adhesives Or Adhesive Processes (AREA)

Abstract

ELINVENTO SE REFIERE A UN PROCEDIMIENTO DE MOLDEO, CON ESPUMA PERDIDA Y BAJO PRESION, DE PIEZAS METALICAS. ESTE PROCEDIMIENTO CONSISTE EN APLICAR LA PRESION GASEOSA ISOSTATICA CRECIENTE SOBRE EL MOLDE TRAS SU LLENADO SEGUN UNA VELOCIDAD DE CRECIMIENTO TAL QUE DICHA PRESION GENERA RAPIDA Y TEMPORALMENTE POR PERDIDA DE CARGA A TRAVES DE LA ARENA UNA SOBREPRESION DEL METAL FUNDIDO EN RELACION A LA ARENA A LA ALTURA DE SU INTERFAZ, ALCANZANDO DICHA SOBREPRESION UN VALOR COMPRENDIDO ENTRE DOS LIMITES Y DECRECIENDO A CONTINUACION A MEDIDA QUE DICHA PRESION AUMENTA, DESPUES EN MANTENER DICHA PRESION CONSTANTE HASTA LA SOLIDIFICACION COMPLETA DE LA PIEZA. ESTE INVENTO ENCUENTRA APLICACION EN LA OBTENCION DE PIEZAS, EN ESPECIAL EN ALEACIONES DE ALUMINIO, QUE PRESENTAN ADEMAS UNA COMPACIDAD MEJORADA, UNA SUPERFICIE EXENTA DE BURBUJAS Y DE INCLUSIONES DE CARBONO.
ES198989420215T 1989-03-07 1989-06-13 Procedimiento de moldeo, con espuma perdida y bajo presion, de piezas metalicas. Expired - Lifetime ES2034726T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR898903706A FR2644087B2 (fr) 1986-11-17 1989-03-07 Perfectionnement au procede de moulage a mousse perdue de pieces metalliques

Publications (1)

Publication Number Publication Date
ES2034726T3 true ES2034726T3 (es) 1993-04-01

Family

ID=9379922

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198989420215T Expired - Lifetime ES2034726T3 (es) 1989-03-07 1989-06-13 Procedimiento de moldeo, con espuma perdida y bajo presion, de piezas metalicas.

Country Status (19)

Country Link
EP (1) EP0386384B1 (es)
JP (1) JPH0626748B2 (es)
KR (1) KR920003686B1 (es)
AR (1) AR241761A1 (es)
AT (1) ATE81044T1 (es)
AU (1) AU600413B2 (es)
BR (1) BR8903257A (es)
CA (1) CA1335689C (es)
DE (1) DE68903103T2 (es)
DK (1) DK320189A (es)
ES (1) ES2034726T3 (es)
FI (1) FI93322C (es)
GR (1) GR3005937T3 (es)
IE (1) IE63394B1 (es)
MX (1) MX172962B (es)
NO (1) NO172968C (es)
PT (1) PT91078B (es)
RU (1) RU1836177C (es)
UA (1) UA13214A (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2651453B2 (fr) * 1989-09-07 1994-03-25 Pechiney Aluminium Perfectionnement au procede de moulage a mousse perdue et sous pression de pieces metalliques.
US5301739A (en) * 1992-06-30 1994-04-12 Cook Arnold J Method for casting and densification
US6640877B2 (en) * 1998-05-14 2003-11-04 Howmet Research Corporation Investment casting with improved melt filling
RU2312738C1 (ru) * 2006-02-09 2007-12-20 Открытое акционерное общество "Новосибирский завод химконцентратов" Способ литья по выплавляемым моделям с кристаллизацией под давлением и устройство для его осуществления
CN103556011B (zh) * 2013-11-22 2015-10-21 山东蒙沃变速器有限公司 一种消失模铸造铝合金材料及其制备方法
CN109550889B (zh) * 2017-09-25 2024-06-28 南京龙宁机床装备有限公司 主轴滑枕消失模及其用于铸造主轴滑枕的方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR887120A (fr) * 1941-11-19 1943-11-04 Silumin Ges M B H Procédé de moulage
US3420291A (en) * 1965-12-29 1969-01-07 Trw Inc Method for reducing metal casting porosity
FR2559407B1 (fr) * 1984-02-15 1986-09-05 Pont A Mousson Procede de moulage en fonderie et moule pour la coulee de precision sous basse pression, avec modele gazeifiable et moule en sable sans liant
GB2159445B (en) * 1984-06-02 1988-07-06 Cosworth Res & Dev Ltd Casting of metal articles
EP0241426B1 (de) * 1986-04-11 1989-07-12 Schweizerische Aluminium Ag Verfahren und Anlage zum Druckgiessen
FR2606688B1 (fr) * 1986-11-17 1989-09-08 Pechiney Aluminium Procede de moulage a mousse perdue de pieces metalliques
US4724889A (en) * 1987-04-27 1988-02-16 Ford Motor Company Degating technique for clustered castings made by ECP

Also Published As

Publication number Publication date
AR241761A1 (es) 1992-12-30
NO172968C (no) 1993-10-06
NO892666D0 (no) 1989-06-27
FI893154A (fi) 1990-09-08
GR3005937T3 (es) 1993-06-07
DE68903103D1 (de) 1992-11-05
FI893154A0 (fi) 1989-06-28
PT91078B (pt) 1995-07-03
IE63394B1 (en) 1995-04-19
NO892666L (no) 1990-09-10
MX172962B (es) 1994-01-26
KR920003686B1 (ko) 1992-05-09
NO172968B (no) 1993-06-28
ATE81044T1 (de) 1992-10-15
JPH02235546A (ja) 1990-09-18
PT91078A (pt) 1990-11-07
JPH0626748B2 (ja) 1994-04-13
EP0386384A1 (fr) 1990-09-12
AU3780489A (en) 1989-10-19
KR900014059A (ko) 1990-10-22
AU600413B2 (en) 1990-08-09
BR8903257A (pt) 1990-09-25
DK320189D0 (da) 1989-06-28
IE892097L (en) 1990-09-07
DE68903103T2 (de) 1993-04-15
FI93322B (fi) 1994-12-15
RU1836177C (ru) 1993-08-23
EP0386384B1 (fr) 1992-09-30
DK320189A (da) 1990-09-08
UA13214A (uk) 1997-02-28
CA1335689C (fr) 1995-05-30
FI93322C (fi) 1995-03-27

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