CA1109633A - Mold assembly and method of making the same - Google Patents

Mold assembly and method of making the same

Info

Publication number: CA1109633A
Authority: CA; Canada
Prior art keywords: pattern; mold; coating; patterns; covering
Prior art date: 1977-08-29
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

Application number

CA310,081A

Other languages

English (en)

French (fr)

Inventor

William S. Blazek

Thomas S. Piwonka

James D. Jackson

Philip N. Atanmo

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.)

Northrop Grumman Space and Mission Systems Corp

Original Assignee

TRW Inc

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.)

1977-08-29

Filing date

1978-08-25

Publication date

1981-09-29

1977-08-29 Priority claimed from US05/828,492 external-priority patent/US4170256A/en

1978-08-25 Application filed by TRW Inc filed Critical TRW Inc

1981-09-29 Application granted granted Critical

1981-09-29 Publication of CA1109633A publication Critical patent/CA1109633A/en

Status Expired legal-status Critical Current

Links

238000004519 manufacturing process Methods 0.000 title claims abstract description 8
239000000463 material Substances 0.000 claims abstract description 84
239000000919 ceramic Substances 0.000 claims abstract description 69
238000000576 coating method Methods 0.000 claims abstract description 53
238000007598 dipping method Methods 0.000 claims abstract description 14
239000007788 liquid Substances 0.000 claims abstract description 13
239000011248 coating agent Substances 0.000 claims description 51
238000000034 method Methods 0.000 claims description 15
238000001035 drying Methods 0.000 claims description 14
239000000203 mixture Substances 0.000 claims description 8
230000015572 biosynthetic process Effects 0.000 claims description 4
239000002002 slurry Substances 0.000 abstract description 21
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 11
238000005266 casting Methods 0.000 description 9
230000007547 defect Effects 0.000 description 9
238000007711 solidification Methods 0.000 description 9
230000008023 solidification Effects 0.000 description 9
238000003618 dip coating Methods 0.000 description 6
229910052751 metal Inorganic materials 0.000 description 6
239000002184 metal Substances 0.000 description 6
229910052845 zircon Inorganic materials 0.000 description 6
GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 0.000 description 6
238000010276 construction Methods 0.000 description 4
239000005350 fused silica glass Substances 0.000 description 4
238000003491 array Methods 0.000 description 3
239000008119 colloidal silica Substances 0.000 description 3
239000002245 particle Substances 0.000 description 3
239000011819 refractory material Substances 0.000 description 3
239000011230 binding agent Substances 0.000 description 2
238000005524 ceramic coating Methods 0.000 description 2
229910010293 ceramic material Inorganic materials 0.000 description 2
238000004891 communication Methods 0.000 description 2
230000002950 deficient Effects 0.000 description 2
230000001627 detrimental effect Effects 0.000 description 2
239000000945 filler Substances 0.000 description 2
239000012530 fluid Substances 0.000 description 2
239000004033 plastic Substances 0.000 description 2
230000003252 repetitive effect Effects 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
238000007581 slurry coating method Methods 0.000 description 2
239000000126 substance Substances 0.000 description 2
239000000080 wetting agent Substances 0.000 description 2
239000004793 Polystyrene Substances 0.000 description 1
239000004115 Sodium Silicate Substances 0.000 description 1
229910000831 Steel Inorganic materials 0.000 description 1
BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 description 1
229920000615 alginic acid Polymers 0.000 description 1
235000010443 alginic acid Nutrition 0.000 description 1
230000000712 assembly Effects 0.000 description 1
238000000429 assembly Methods 0.000 description 1
238000005219 brazing Methods 0.000 description 1
239000012141 concentrate Substances 0.000 description 1
238000005242 forging Methods 0.000 description 1
230000005484 gravity Effects 0.000 description 1
238000007689 inspection Methods 0.000 description 1
238000005495 investment casting Methods 0.000 description 1
150000002500 ions Chemical class 0.000 description 1
238000005304 joining Methods 0.000 description 1
230000008018 melting Effects 0.000 description 1
238000002844 melting Methods 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
229920002223 polystyrene Polymers 0.000 description 1
230000002028 premature Effects 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
230000000979 retarding effect Effects 0.000 description 1
238000007493 shaping process Methods 0.000 description 1
NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 1
229910052911 sodium silicate Inorganic materials 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000010959 steel Substances 0.000 description 1
239000000725 suspension Substances 0.000 description 1
238000003466 welding Methods 0.000 description 1

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

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Molds, Cores, And Manufacturing Methods Thereof (AREA)
Turbine Rotor Nozzle Sealing (AREA)
Moulds, Cores, Or Mandrels (AREA)

CA310,081A 1977-08-29 1978-08-25 Mold assembly and method of making the same Expired CA1109633A (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US05/828,492 US4170256A (en)	1976-01-29	1977-08-29	Mold assembly and method of making the same
US828,492		1977-08-29

Publications (1)

Publication Number	Publication Date
CA1109633A true CA1109633A (en)	1981-09-29

Family

ID=25251965

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA310,081A Expired CA1109633A (en)	1977-08-29	1978-08-25	Mold assembly and method of making the same

Country Status (10)

Country	Link
JP (1)	JPS5495921A (de)
BE (1)	BE870003A (de)
CA (1)	CA1109633A (de)
CH (1)	CH635765A5 (de)
DE (1)	DE2837286C2 (de)
FR (1)	FR2401721A1 (de)
GB (1)	GB2003421B (de)
IL (1)	IL55283A (de)
IT (1)	IT1098295B (de)
SE (1)	SE439126B (de)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3806987A1 (de) *	1988-03-03	1989-09-14	Thyssen Industrie	Verfahren zur herstellung von gussstuecken nach dem wachsausschmelzverfahren
DE102007014744A1 (de) *	2007-03-28	2008-10-02	Rwth Aachen	Form und Verfahren zur gießtechnischen Herstellung eines Gusstücks
SG10201610144XA (en)	2012-12-14	2017-01-27	United Technologies Corp	Multi-shot casting
CN113828734B (zh) *	2021-09-16	2022-09-30	江苏金诺炉辊有限公司	一种高温合金四通法兰的浇注系统及熔模铸造工艺
JP7769499B2 (ja) *	2021-09-17	2025-11-13	太平洋セメント株式会社	一体型鋳型、その製造方法および鋳造方法
FR3160911A1 (fr) *	2024-04-03	2025-10-10	Safran	Procédé de fabrication d’un moule carapace

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3598167A (en) *	1968-11-01	1971-08-10	United Aircraft Corp	Method and means for the production of columnar-grained castings
US3669177A (en) *	1969-09-08	1972-06-13	Howmet Corp	Shell manufacturing method for precision casting
US3724531A (en) *	1971-01-13	1973-04-03	United Aircraft Corp	Mold for casting single crystal articles
JPS5161433A (ja) *	1974-11-27	1976-05-28	Kubota Ltd	Seimitsuchuzoyoigatano sakuseiho
GB1509298A (en) *	1975-09-20	1978-05-04	Rolls Royce	Mould insulation and a method of insulating a mould
US4066116A (en) *	1976-01-29	1978-01-03	Trw Inc.	Mold assembly and method of making the same

1978
- 1978-08-04 IL IL55283A patent/IL55283A/xx unknown
- 1978-08-24 GB GB7834432A patent/GB2003421B/en not_active Expired
- 1978-08-25 CA CA310,081A patent/CA1109633A/en not_active Expired
- 1978-08-25 DE DE2837286A patent/DE2837286C2/de not_active Expired
- 1978-08-25 CH CH902278A patent/CH635765A5/de not_active IP Right Cessation
- 1978-08-28 SE SE7809046A patent/SE439126B/sv not_active IP Right Cessation
- 1978-08-28 IT IT27071/78A patent/IT1098295B/it active
- 1978-08-28 JP JP10480478A patent/JPS5495921A/ja active Pending
- 1978-08-28 BE BE190093A patent/BE870003A/xx not_active IP Right Cessation
- 1978-08-28 FR FR7824807A patent/FR2401721A1/fr active Granted

Also Published As

Publication number	Publication date
DE2837286A1 (de)	1979-03-15
SE439126B (sv)	1985-06-03
JPS5495921A (en)	1979-07-28
DE2837286C2 (de)	1984-05-17
IT7827071A0 (it)	1978-08-28
GB2003421B (en)	1982-02-10
IL55283A (en)	1981-01-30
FR2401721B1 (de)	1983-09-23
CH635765A5 (de)	1983-04-29
SE7809046L (sv)	1979-03-01
FR2401721A1 (fr)	1979-03-30
GB2003421A (en)	1979-03-14
BE870003A (fr)	1978-12-18
IT1098295B (it)	1985-09-07

Legal Events

Date	Code	Title	Description
1998-09-29	MKEX	Expiry

Publication	Publication Date	Title
US4728258A (en)	1988-03-01	Turbine engine component and method of making the same
US4066116A (en)	1978-01-03	Mold assembly and method of making the same
CA1064220A (en)	1979-10-16	Investment casting mold and process
JP2838081B2 (ja)	1998-12-16	合金構造体の製造方法及び合金鋳造モールド
EP1815923A1 (de)	2007-08-08	Metallisch beschichtete Kerne zum Gießen dünner Wände
US5069265A (en)	1991-12-03	Method of making a turbine engine component
US5296308A (en)	1994-03-22	Investment casting using core with integral wall thickness control means
CA1039925A (en)	1978-10-10	Sandwich structure monolithic mold
US9802248B2 (en)	2017-10-31	Castings and manufacture methods
CA1117728A (en)	1982-02-09	Method for casting a plurality of airfoils into a hub
US4315537A (en)	1982-02-16	Method of making a mold
CN105397027A (zh)	2016-03-16	铸件的铸造方法
US4955423A (en)	1990-09-11	Method of making a turbine engine component
MXPA04008309A (es)	2005-06-08	Fundicion a la cera perdida.
US4961459A (en)	1990-10-09	Method of making an improved turbine engine component
US5181550A (en)	1993-01-26	Method of making a turbine engine component
US4170256A (en)	1979-10-09	Mold assembly and method of making the same
CA1109633A (en)	1981-09-29	Mold assembly and method of making the same
GB2346340A (en)	2000-08-09	A ceramic core, a disposable pattern, a method of making a disposable pattern, a method of making a ceramic shell mould and a method of casting
US6364001B1 (en)	2002-04-02	Method of casting an article
US6749006B1 (en)	2004-06-15	Method of making investment casting molds
CA1068876A (en)	1980-01-01	Method and apparatus for bimetallic casting without metallurgical bond
US4730657A (en)	1988-03-15	Method of making a mold
JP4454845B2 (ja)	2010-04-21	タービン翼及びタービン翼の製造方法
US11014153B2 (en)	2021-05-25	Method for seeding a mold