CA1064220A - Investment casting mold and process - Google Patents
Investment casting mold and processInfo
- Publication number
- CA1064220A CA1064220A CA230,789A CA230789A CA1064220A CA 1064220 A CA1064220 A CA 1064220A CA 230789 A CA230789 A CA 230789A CA 1064220 A CA1064220 A CA 1064220A
- Authority
- CA
- Canada
- Prior art keywords
- mold
- central
- patterns
- casting
- article
- 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
Links
- 238000000034 method Methods 0.000 title claims description 24
- 238000005495 investment casting Methods 0.000 title claims description 9
- 238000004519 manufacturing process Methods 0.000 claims abstract description 10
- 238000005266 casting Methods 0.000 claims description 19
- 229910045601 alloy Inorganic materials 0.000 claims description 10
- 239000000956 alloy Substances 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 9
- 238000000576 coating method Methods 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 8
- 239000000919 ceramic Substances 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 239000002245 particle Substances 0.000 claims description 5
- 238000007598 dipping method Methods 0.000 claims description 4
- 238000001035 drying Methods 0.000 claims description 4
- 239000002002 slurry Substances 0.000 claims description 4
- 229910010293 ceramic material Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 229910052729 chemical element Inorganic materials 0.000 claims 2
- 241000167857 Bourreria Species 0.000 abstract description 9
- 239000000945 filler Substances 0.000 description 6
- 238000001816 cooling Methods 0.000 description 4
- 229910000601 superalloy Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 2
- 230000005496 eutectics Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- YSGQGNQWBLYHPE-CFUSNLFHSA-N (7r,8r,9s,10r,13s,14s,17s)-17-hydroxy-7,13-dimethyl-2,6,7,8,9,10,11,12,14,15,16,17-dodecahydro-1h-cyclopenta[a]phenanthren-3-one Chemical compound C1C[C@]2(C)[C@@H](O)CC[C@H]2[C@@H]2[C@H](C)CC3=CC(=O)CC[C@@H]3[C@H]21 YSGQGNQWBLYHPE-CFUSNLFHSA-N 0.000 description 1
- 206010037660 Pyrexia Diseases 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
- Y10T29/49336—Blade making
- Y10T29/49339—Hollow blade
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Turning (AREA)
- Hinges (AREA)
- Chairs Characterized By Structure (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/499,227 US3981344A (en) | 1974-08-21 | 1974-08-21 | Investment casting mold and process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1064220A true CA1064220A (en) | 1979-10-16 |
Family
ID=23984372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA230,789A Expired CA1064220A (en) | 1974-08-21 | 1975-07-04 | Investment casting mold and process |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US3981344A (enExample) |
| JP (1) | JPS5726853B2 (enExample) |
| AR (1) | AR207872A1 (enExample) |
| BE (1) | BE832534A (enExample) |
| BR (1) | BR7505255A (enExample) |
| CA (1) | CA1064220A (enExample) |
| CH (1) | CH604966A5 (enExample) |
| DE (1) | DE2536751C3 (enExample) |
| ES (1) | ES440339A1 (enExample) |
| FR (1) | FR2282311A1 (enExample) |
| GB (1) | GB1508888A (enExample) |
| IL (1) | IL47904A (enExample) |
| IT (1) | IT1041960B (enExample) |
| NL (1) | NL171780C (enExample) |
| NO (2) | NO142990C (enExample) |
| SE (2) | SE421180B (enExample) |
| ZA (1) | ZA755051B (enExample) |
Families Citing this family (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4148352A (en) | 1975-08-15 | 1979-04-10 | Nissan Motor Company, Limited | Method of preparing an exhaust port arrangement of a cylinder head |
| IT1096996B (it) * | 1977-07-22 | 1985-08-26 | Rolls Royce | Metodo per la fabbricazione di una pala o lama per motori a turbina a gas |
| US4195396A (en) * | 1977-12-15 | 1980-04-01 | Trw Inc. | Method of forming an airfoil with inner and outer shroud sections |
| US4276922A (en) * | 1978-05-24 | 1981-07-07 | Trw Inc. | Plug mold assembly |
| GB2028928B (en) * | 1978-08-17 | 1982-08-25 | Ross Royce Ltd | Aerofoil blade for a gas turbine engine |
| US4549599A (en) * | 1978-10-19 | 1985-10-29 | United Technologies Corporation | Preventing mold and casting cracking in high rate directional solidification processes |
| GB2050918B (en) * | 1979-06-06 | 1982-12-15 | Rolls Royce | Manufacture and inspection of an article |
| US4289191A (en) * | 1980-04-02 | 1981-09-15 | United Technologies Corporation | Injection molding thermoplastic patterns having ceramic cores |
| US4283835A (en) * | 1980-04-02 | 1981-08-18 | United Technologies Corporation | Cambered core positioning for injection molding |
| US4375282A (en) * | 1980-06-30 | 1983-03-01 | United Technologies Corporation | Core configuration for casting hollow parts in mating halves |
| GB2096525B (en) * | 1981-04-14 | 1984-09-12 | Rolls Royce | Manufacturing gas turbine engine blades |
| GB2108879A (en) * | 1981-08-12 | 1983-05-25 | Rolls Royce | Foundry machinery |
| JPS5884143A (ja) * | 1981-11-10 | 1983-05-20 | Natl Inst For Res In Inorg Mater | 低膨張ガラス組成物 |
| EP0084234A1 (en) * | 1981-12-16 | 1983-07-27 | Vickers Plc | Investment casting process and mould |
| JPH0639338B2 (ja) * | 1986-06-20 | 1994-05-25 | 日本電気硝子株式会社 | 繊維用ガラス組成物 |
| JPS6349343A (ja) * | 1986-08-14 | 1988-03-02 | Nobuyoshi Sasaki | 中子、その製造方法およびインベストメント鋳造用鋳型の製造方法 |
| JPH0193437A (ja) * | 1987-10-05 | 1989-04-12 | Nippon Sheet Glass Co Ltd | 低膨脹ガラス |
| GB8800686D0 (en) * | 1988-01-13 | 1988-02-10 | Rolls Royce Plc | Method of supporting core in mould |
| ES2046078B1 (es) * | 1991-07-08 | 1995-10-01 | Metalogenia Sa | Perfeccionamientos en la fabricacion de piezas moldeadas de acero, dotadas de cavidades interiores. |
| US5291654A (en) * | 1993-03-29 | 1994-03-08 | United Technologies Corporation | Method for producing hollow investment castings |
| US5607007A (en) * | 1994-10-19 | 1997-03-04 | Hitchiner Manufacturing Co., Inc. | Directional solidification apparatus and method |
| US5662160A (en) * | 1995-10-12 | 1997-09-02 | General Electric Co. | Turbine nozzle and related casting method for optimal fillet wall thickness control |
| US6325871B1 (en) | 1997-10-27 | 2001-12-04 | Siemens Westinghouse Power Corporation | Method of bonding cast superalloys |
| JP4240808B2 (ja) | 1997-10-27 | 2009-03-18 | シーメンス パワー ジェネレイション インコーポレイテッド | タービン翼の製造方法 |
| US20050000674A1 (en) * | 2003-07-01 | 2005-01-06 | Beddard Thomas Bradley | Perimeter-cooled stage 1 bucket core stabilizing device and related method |
| DE102004062174A1 (de) * | 2004-12-17 | 2006-06-22 | Rolls-Royce Deutschland Ltd & Co Kg | Verfahren zur Herstellung von hoch belastbaren Bauteilen durch Präzisionsschmieden |
| US20070074839A1 (en) * | 2005-10-03 | 2007-04-05 | United Technologies Corporation | Method for manufacturing a pattern for a hollow component |
| US7918265B2 (en) * | 2008-02-14 | 2011-04-05 | United Technologies Corporation | Method and apparatus for as-cast seal on turbine blades |
| US20100238967A1 (en) * | 2009-03-18 | 2010-09-23 | Bullied Steven J | Method of producing a fine grain casting |
| US8240355B2 (en) * | 2010-01-29 | 2012-08-14 | United Technologies Corporation | Forming a cast component with agitation |
| FR2957545B1 (fr) * | 2010-03-19 | 2012-07-27 | Snecma | Procede de realisation d'un insert metallique pour la protection d'un bord d'attaque en materiau composite |
| FR3035604B1 (fr) * | 2015-04-30 | 2023-01-13 | Snecma | Procede de fabrication de modele pour fonderie a modele perdu |
| CN106001513B (zh) * | 2016-04-19 | 2018-04-13 | 中国航空工业集团公司北京航空材料研究院 | 一种熔模精密铸造单晶高温合金薄壁试样的制备方法 |
| CN107008857B (zh) * | 2017-04-17 | 2020-11-10 | 东方电气集团东方汽轮机有限公司 | 可消除变截面零件铸造热裂缺陷的陶瓷模壳及其成型方法 |
| FR3068271B1 (fr) | 2017-06-29 | 2021-12-10 | Safran Aircraft Engines | Procede de fonderie avec coulee en moule chaud |
| CN107584084A (zh) * | 2017-09-12 | 2018-01-16 | 东方电气集团东方汽轮机有限公司 | 空心叶片精铸用陶瓷模壳成型方法 |
| CN114425598B (zh) * | 2021-12-31 | 2023-10-27 | 北京航空材料研究院股份有限公司 | 一种含异型缝隙孔的钛及钛合金铸件制备方法 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB678035A (en) * | 1950-03-17 | 1952-08-27 | Rolls Royce | Improvements in processes for precision castings |
| US2782476A (en) * | 1952-10-16 | 1957-02-26 | Joseph B Brennan | Apparatus for casting air foils and the like |
| US2912729A (en) * | 1956-07-24 | 1959-11-17 | John M Webb | Refractory molds |
| US3669177A (en) * | 1969-09-08 | 1972-06-13 | Howmet Corp | Shell manufacturing method for precision casting |
| US3627015A (en) * | 1970-06-01 | 1971-12-14 | Hughes Aircraft Co | Cocoon casting of directionally solidified articles |
| DE2301105C2 (de) * | 1973-01-10 | 1984-07-05 | Sherwood Refractories Inc., Cleveland, Ohio | Präzisionsgußform und Verfahren zu deren Herstellung |
-
1974
- 1974-08-21 US US05/499,227 patent/US3981344A/en not_active Expired - Lifetime
-
1975
- 1975-01-01 AR AR260057A patent/AR207872A1/es active
- 1975-07-04 CA CA230,789A patent/CA1064220A/en not_active Expired
- 1975-08-04 CH CH1015975A patent/CH604966A5/xx not_active IP Right Cessation
- 1975-08-04 NL NLAANVRAGE7509246,A patent/NL171780C/xx not_active IP Right Cessation
- 1975-08-05 ZA ZA00755051A patent/ZA755051B/xx unknown
- 1975-08-11 IL IL47904A patent/IL47904A/xx unknown
- 1975-08-13 SE SE7509056A patent/SE421180B/xx unknown
- 1975-08-18 NO NO752857A patent/NO142990C/no unknown
- 1975-08-18 DE DE2536751A patent/DE2536751C3/de not_active Expired
- 1975-08-18 BR BR7505255*A patent/BR7505255A/pt unknown
- 1975-08-19 BE BE159287A patent/BE832534A/xx not_active IP Right Cessation
- 1975-08-19 FR FR7525604A patent/FR2282311A1/fr active Granted
- 1975-08-20 JP JP10110075A patent/JPS5726853B2/ja not_active Expired
- 1975-08-20 ES ES440339A patent/ES440339A1/es not_active Expired
- 1975-08-21 IT IT26477/75A patent/IT1041960B/it active
- 1975-08-21 GB GB34755/75A patent/GB1508888A/en not_active Expired
-
1979
- 1979-03-08 SE SE7902076A patent/SE432546B/sv unknown
- 1979-04-23 NO NO791336A patent/NO143610C/no unknown
Also Published As
| Publication number | Publication date |
|---|---|
| ZA755051B (en) | 1976-07-28 |
| NL171780B (nl) | 1982-12-16 |
| DE2536751C3 (de) | 1981-10-08 |
| NO752857L (enExample) | 1976-02-24 |
| AU8366675A (en) | 1977-02-10 |
| BR7505255A (pt) | 1976-08-03 |
| GB1508888A (en) | 1978-04-26 |
| DE2536751B2 (de) | 1981-02-05 |
| US3981344A (en) | 1976-09-21 |
| ES440339A1 (es) | 1977-03-01 |
| DE2536751A1 (de) | 1976-03-04 |
| NO142990C (no) | 1980-11-26 |
| SE421180B (sv) | 1981-12-07 |
| SE7902076L (sv) | 1979-03-08 |
| IT1041960B (it) | 1980-01-10 |
| AR207872A1 (es) | 1976-11-08 |
| CH604966A5 (enExample) | 1978-09-15 |
| FR2282311B1 (enExample) | 1982-01-22 |
| SE432546B (sv) | 1984-04-09 |
| IL47904A (en) | 1980-01-31 |
| NL171780C (nl) | 1983-05-16 |
| NO791336L (no) | 1976-02-24 |
| IL47904A0 (en) | 1975-11-25 |
| NO143610C (no) | 1981-03-18 |
| FR2282311A1 (fr) | 1976-03-19 |
| NO142990B (no) | 1980-08-18 |
| NL7509246A (nl) | 1976-02-24 |
| USB499227I5 (enExample) | 1976-01-27 |
| JPS5726853B2 (enExample) | 1982-06-07 |
| JPS5146523A (enExample) | 1976-04-21 |
| SE7509056L (sv) | 1976-02-23 |
| BE832534A (fr) | 1975-12-16 |
| NO143610B (no) | 1980-12-08 |
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