BRPI0507304A - processo para a produção de um molde em concha, e, molde em concha - Google Patents

processo para a produção de um molde em concha, e, molde em concha

Info

Publication number
BRPI0507304A
BRPI0507304A BRPI0507304-9A BRPI0507304A BRPI0507304A BR PI0507304 A BRPI0507304 A BR PI0507304A BR PI0507304 A BRPI0507304 A BR PI0507304A BR PI0507304 A BRPI0507304 A BR PI0507304A
Authority
BR
Brazil
Prior art keywords
particles
iii
gel
refractory
shell mold
Prior art date
Application number
BRPI0507304-9A
Other languages
English (en)
Inventor
Samantha Jones
Original Assignee
Univ Birmingham
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 Univ Birmingham filed Critical Univ Birmingham
Publication of BRPI0507304A publication Critical patent/BRPI0507304A/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
    • B22C9/04—Use of lost patterns
    • B22C9/043—Removing the consumable pattern
    • 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
    • B22C1/165—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 in the manufacture of multilayered shell moulds
    • 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
    • B22C1/183—Sols, colloids or hydroxide gels

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Mold Materials And Core Materials (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Feeding, Discharge, Calcimining, Fusing, And Gas-Generation Devices (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)

Abstract

PROCESSO PARA A PRODUçãO DE UM MOLDE EM CONCHA, E, MOLDE EM CONCHA A invenção refere-se a um processo para a produção de um molde em concha, compreendendo as etapas seqüencias de: (i) imersão de um padrão consumível pré-conformado dentro de uma lama de partículas refratárias e aglutinante líquido coloidal, desse modo formando uma camada de revestimento sobre dito padrão, (ii) depositar partículas de material refratário sobre dito revestimento e (iii) secagem, as etapas (i) a (iii) sendo repetidas tão freqüentemente quanto necessário, para produzir um molde em concha tendo o requerido número de camadas de revestimento, caracterizado pelo fato de que, durante pelo menos uma realização da etapa (ii), as partículas de material refratário terem sido pré-misturadas com um material formador de gel, desse modo revestindo pelo menos uma parte de ditas partículas refratárias com dito material formador de gel, de modo que, após contato com as camada de revestimento, a umidade é absorvida pelo material formador de gel, desse modo causando solidificação do aglutinante coloidal, assim reduzindo o tempo requerido para secagem na etapa (iii).
BRPI0507304-9A 2004-02-05 2005-02-07 processo para a produção de um molde em concha, e, molde em concha BRPI0507304A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0402516.9A GB0402516D0 (en) 2004-02-05 2004-02-05 Improved investment casting process
PCT/GB2005/000408 WO2005075130A1 (en) 2004-02-05 2005-02-07 Improved investment casting process

Publications (1)

Publication Number Publication Date
BRPI0507304A true BRPI0507304A (pt) 2007-06-26

Family

ID=31985684

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI0507304-9A BRPI0507304A (pt) 2004-02-05 2005-02-07 processo para a produção de um molde em concha, e, molde em concha

Country Status (13)

Country Link
US (1) US20080173421A1 (pt)
EP (1) EP1708838B1 (pt)
CN (1) CN100409972C (pt)
AT (1) ATE372842T1 (pt)
BR (1) BRPI0507304A (pt)
CA (1) CA2554665C (pt)
DE (1) DE602005002455T2 (pt)
GB (1) GB0402516D0 (pt)
IL (1) IL177306A (pt)
PL (1) PL1708838T3 (pt)
RU (1) RU2376100C2 (pt)
WO (1) WO2005075130A1 (pt)
ZA (1) ZA200606190B (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100488664C (zh) * 2007-10-29 2009-05-20 福建省建阳市汽车锻压件厂 生产汽车工字前轴的熔模精密铸造工艺
US9227241B2 (en) * 2010-12-08 2016-01-05 Nalco Company Investment casting shells having an organic component
JP6055963B2 (ja) * 2012-08-31 2017-01-11 株式会社Ｐｃｓジャパン 鋳型製造方法
CN104226898A (zh) * 2012-10-22 2014-12-24 宁波吉威熔模铸造有限公司 一种斗齿的熔模铸造方法
CN102861873B (zh) * 2012-10-22 2015-06-10 宁波吉威熔模铸造有限公司 一种齿轮的铸造方法
CN104259382A (zh) * 2012-10-22 2015-01-07 宁波吉威熔模铸造有限公司 轭铸造方法
CN103394641A (zh) * 2013-07-19 2013-11-20 宁波吉威熔模铸造有限公司 轭铸造方法
CN103386464A (zh) * 2013-07-19 2013-11-13 宁波吉威熔模铸造有限公司 一种汽车备胎升降器圆形配件的铸造方法
CN103394643A (zh) * 2013-07-19 2013-11-20 宁波吉威熔模铸造有限公司 一种汽车发动机盖的铸造方法
CN103394642A (zh) * 2013-07-19 2013-11-20 宁波吉威熔模铸造有限公司 一种汽车发动机活塞的铸造方法
US10695826B2 (en) * 2017-07-17 2020-06-30 Raytheon Technologies Corporation Apparatus and method for investment casting core manufacture
FR3071423B1 (fr) * 2017-09-22 2019-10-18 Safran Barbotine de fonderie
GB2569193B (en) 2017-12-11 2021-09-29 Dudley Shaw Richard Investment casting compositions
CN111250647B (zh) * 2020-01-20 2021-07-16 沈阳工业大学 一种铸造用粘结剂及其应用
GB202107433D0 (en) * 2021-05-25 2021-07-07 Hatton Designs Of London Ltd Improving green strength of ceramic shell
CN114042858B (zh) * 2021-11-19 2024-05-10 桂林中铸机械科技有限公司 高强度消失模空腔无碳铸型随铸件冷却自行溃散的方法

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1181164A (en) * 1967-10-11 1970-02-11 Wild Barfield Ltd Improvements in the Manufacture of Investment Casting Moulds
US3616840A (en) * 1969-01-08 1971-11-02 Adam Dunlop Method of making multilayer shell molds
US3894572A (en) * 1971-06-01 1975-07-15 Du Pont Process for forming a refractory laminate based on positive sols and refractory materials containing chemical setting agents
US4204872A (en) * 1974-07-18 1980-05-27 Stauffer Chemical Company Preparation of high temperature shell molds
US4223716A (en) * 1978-12-04 1980-09-23 Caterpillar Tractor Co. Method of making and using a ceramic shell mold
US4689081A (en) * 1982-09-30 1987-08-25 Watts Claude H Investment casting method and stucco therefor
US4533394A (en) * 1982-09-30 1985-08-06 Watts Claude H Process for manufacturing shell molds
EP0153432A1 (en) * 1984-02-29 1985-09-04 Dentsply International, Inc. Artificial stuccs material,process for making it and use thereof
CN1041716A (zh) * 1988-10-08 1990-05-02 江丽娜 模具型腔精密铸造工艺
TWI235740B (en) * 1998-02-11 2005-07-11 Buntrock Ind Inc Improved investment casting mold and method of manufacture

Also Published As

Publication number Publication date
CA2554665A1 (en) 2005-08-18
RU2006131667A (ru) 2008-03-10
CN1913991A (zh) 2007-02-14
GB0402516D0 (en) 2004-03-10
EP1708838B1 (en) 2007-09-12
DE602005002455D1 (de) 2007-10-25
PL1708838T3 (pl) 2008-04-30
ZA200606190B (en) 2008-05-28
CN100409972C (zh) 2008-08-13
IL177306A0 (en) 2006-12-10
WO2005075130A1 (en) 2005-08-18
US20080173421A1 (en) 2008-07-24
DE602005002455T2 (de) 2008-05-29
EP1708838A1 (en) 2006-10-11
ATE372842T1 (de) 2007-09-15
IL177306A (en) 2010-06-16
CA2554665C (en) 2012-04-17
RU2376100C2 (ru) 2009-12-20

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Legal Events

Date Code Title Description
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B07A Application suspended after technical examination (opinion) [chapter 7.1 patent gazette]
B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: INDEFIRO O PEDIDO DE ACORDO COM O(S) ARTIGO(S) 8O E 13 DA LPI

B09B Patent application refused [chapter 9.2 patent gazette]

Free format text: MANTIDO O INDEFERIMENTO UMA VEZ QUE NAO FOI APRESENTADO RECURSO DENTRO DO PRAZO LEGAL.