BR9004181A - Processo de fundicao contra a gravidade de metal em fusao - Google Patents

Processo de fundicao contra a gravidade de metal em fusao

Info

Publication number
BR9004181A
BR9004181A BR909004181A BR9004181A BR9004181A BR 9004181 A BR9004181 A BR 9004181A BR 909004181 A BR909004181 A BR 909004181A BR 9004181 A BR9004181 A BR 9004181A BR 9004181 A BR9004181 A BR 9004181A
Authority
BR
Brazil
Prior art keywords
melting
metal gravity
against metal
process against
foundry process
Prior art date
Application number
BR909004181A
Other languages
English (en)
Inventor
Charles P Aubin
Joseph A Knapke
John G Kubischi
Original Assignee
Gen Motors Corp
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 Gen Motors Corp filed Critical Gen Motors Corp
Publication of BR9004181A publication Critical patent/BR9004181A/pt

Links

Classifications

    • 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
    • B22C9/03—Sand moulds or like moulds for shaped castings formed by vacuum-sealed moulding
    • 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
    • B22D18/00—Pressure casting; Vacuum casting
    • B22D18/06—Vacuum casting, i.e. making use of vacuum to fill the mould

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Devices For Molds (AREA)
  • Mold Materials And Core Materials (AREA)
BR909004181A 1989-08-28 1990-08-23 Processo de fundicao contra a gravidade de metal em fusao BR9004181A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/399,219 US4971131A (en) 1989-08-28 1989-08-28 Countergravity casting using particulate filled vacuum chambers

Publications (1)

Publication Number Publication Date
BR9004181A true BR9004181A (pt) 1991-09-03

Family

ID=23578644

Family Applications (1)

Application Number Title Priority Date Filing Date
BR909004181A BR9004181A (pt) 1989-08-28 1990-08-23 Processo de fundicao contra a gravidade de metal em fusao

Country Status (6)

Country Link
US (1) US4971131A (pt)
EP (1) EP0415091B1 (pt)
JP (1) JP2938946B2 (pt)
BR (1) BR9004181A (pt)
CA (1) CA2021317C (pt)
DE (1) DE69028826T2 (pt)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5062466A (en) * 1991-05-10 1991-11-05 General Motors Corporation Countergravity casting apparatus and method
US5062467A (en) * 1991-05-10 1991-11-05 General Motors Corporation Vacuum countergravity casting apparatus and method
US5271451A (en) * 1992-09-01 1993-12-21 General Motors Corporation Metal casting using a mold having attached risers
US6453976B1 (en) 1999-10-29 2002-09-24 Hitchiner Manufacturing Co., Inc. Lost foam countergravity casting
US8312913B2 (en) * 2005-02-22 2012-11-20 Milwaukee School Of Engineering Casting process
WO2012092244A2 (en) 2010-12-29 2012-07-05 Android Industries Llc Working tank with vacuum assist
CN103212668A (zh) * 2012-01-18 2013-07-24 浙江派尼尔机电有限公司 舷外机发动机气缸制造方法
KR101667871B1 (ko) * 2015-02-23 2016-10-19 메이 타 인더스트리얼 컴퍼니, 리미티드 음 압력 상향-견인식 주입 방법
CN105478681B (zh) * 2016-01-08 2017-07-07 宁夏维尔铸造有限责任公司 行星架铸造模具及铸造方法

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3059294A (en) * 1959-05-04 1962-10-23 Gen Motors Corp Apparatus for making foundry cores and molds
US3181213A (en) * 1963-03-06 1965-05-04 Altamil Corp Method for the use of dynamic vacuum in foundry operations
CH502861A (de) * 1968-02-03 1971-02-15 Gruenzweig & Hartmann Verfahren und Vorrichtung zur Herstellung von Gussstücken
US3557867A (en) * 1969-06-04 1971-01-26 Gruenzweig & Hartmann Casting apparatus
DE2519463A1 (de) * 1975-05-02 1976-11-11 Gruenzweig Hartmann Glasfaser Giessform und verfahren zur herstellung von gusstuecken
DE2653788C2 (de) * 1976-11-26 1981-08-27 Bühler, Eugen, Dipl.-Ing., 8871 Burtenbach Verfahren und Vorrichtung zum Herstellen von Gießformen aus bindemittelhaltigem Formsand
US4606396A (en) * 1978-10-02 1986-08-19 Hitchiner Manufacturing Co., Inc. Sand mold and apparatus for reduced pressure casting
US4340108A (en) * 1979-09-12 1982-07-20 Hitchiner Manufacturing Co., Inc. Method of casting metal in sand mold using reduced pressure
ZA817886B (en) * 1980-11-21 1982-10-27 Steel Castings Res Method of casting using expendable patterns
JPS5855149A (ja) * 1981-09-28 1983-04-01 Sintokogio Ltd ガス硬化式主型造型装置
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
US4658880A (en) * 1985-12-09 1987-04-21 General Motors Corporation Countergravity casting apparatus
US4616691A (en) * 1985-12-09 1986-10-14 General Motors Corporation Countergravity casting apparatus
US4830085A (en) * 1986-12-29 1989-05-16 Brunswick Corporation Vacuum lift foam filled casting system
US4787434A (en) * 1986-12-29 1988-11-29 Brunswick Corporation Vacuum lift foam filled casting system
US4874029A (en) * 1988-05-09 1989-10-17 General Motors Corporation Countergravity casting process and apparatus using destructible patterns suspended in an inherently unstable mass of particulate mold material
US4848439A (en) * 1988-05-09 1989-07-18 General Motors Corporation Method of countergravity casting
EP0352406A1 (en) * 1988-07-15 1990-01-31 General Motors Corporation Countergravity casting apparatus and method using elastomeric sealing gasket and cooled vacuum chamber

Also Published As

Publication number Publication date
EP0415091A3 (en) 1992-06-10
DE69028826D1 (de) 1996-11-14
EP0415091B1 (en) 1996-10-09
EP0415091A2 (en) 1991-03-06
CA2021317A1 (en) 1991-03-01
CA2021317C (en) 1996-08-13
US4971131A (en) 1990-11-20
JP2938946B2 (ja) 1999-08-25
JPH0394953A (ja) 1991-04-19
DE69028826T2 (de) 1997-05-15

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Legal Events

Date Code Title Description
FD3 Appl. lapsed due to non-payment of renewal fee