CH625726A5 - - Google Patents
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- Publication number
- CH625726A5 CH625726A5 CH71177A CH71177A CH625726A5 CH 625726 A5 CH625726 A5 CH 625726A5 CH 71177 A CH71177 A CH 71177A CH 71177 A CH71177 A CH 71177A CH 625726 A5 CH625726 A5 CH 625726A5
- Authority
- CH
- Switzerland
- Prior art keywords
- wall
- model
- mold
- coating
- parts
- Prior art date
Links
- 238000000576 coating method Methods 0.000 claims description 62
- 239000011248 coating agent Substances 0.000 claims description 59
- 239000000919 ceramic Substances 0.000 claims description 55
- 238000005266 casting Methods 0.000 claims description 52
- 239000012778 molding material Substances 0.000 claims description 48
- 238000000034 method Methods 0.000 claims description 45
- 238000000465 moulding Methods 0.000 claims description 36
- 238000004519 manufacturing process Methods 0.000 claims description 22
- 230000015572 biosynthetic process Effects 0.000 claims description 8
- 239000007788 liquid Substances 0.000 claims description 8
- 239000011247 coating layer Substances 0.000 claims description 7
- 239000010410 layer Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 3
- 210000001061 forehead Anatomy 0.000 claims 1
- 229910010293 ceramic material Inorganic materials 0.000 description 19
- 230000008569 process Effects 0.000 description 13
- 229910052751 metal Inorganic materials 0.000 description 12
- 239000002184 metal Substances 0.000 description 12
- 238000007654 immersion Methods 0.000 description 11
- 239000002002 slurry Substances 0.000 description 11
- 238000005524 ceramic coating Methods 0.000 description 8
- 238000003618 dip coating Methods 0.000 description 8
- 239000004570 mortar (masonry) Substances 0.000 description 7
- 230000007547 defect Effects 0.000 description 5
- 238000007598 dipping method Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 239000011230 binding agent Substances 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 3
- 238000000227 grinding Methods 0.000 description 3
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 239000004793 Polystyrene Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000009189 diving Effects 0.000 description 2
- 238000005242 forging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010309 melting process Methods 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000004115 Sodium Silicate Substances 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000008119 colloidal silica Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000002054 inoculum Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000011819 refractory material Substances 0.000 description 1
- 238000007789 sealing 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
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
- 239000000080 wetting agent Substances 0.000 description 1
- GFQYVLUOOAAOGM-UHFFFAOYSA-N zirconium(iv) silicate Chemical compound [Zr+4].[O-][Si]([O-])([O-])[O-] GFQYVLUOOAAOGM-UHFFFAOYSA-N 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S164/00—Metal founding
- Y10S164/15—Precision casting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/653,383 US4066116A (en) | 1976-01-29 | 1976-01-29 | Mold assembly and method of making the same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH625726A5 true CH625726A5 (xx) | 1981-10-15 |
Family
ID=24620637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH71177A CH625726A5 (xx) | 1976-01-29 | 1977-01-21 |
Country Status (11)
| Country | Link |
|---|---|
| US (1) | US4066116A (xx) |
| JP (1) | JPS5837053B2 (xx) |
| BE (1) | BE850864A (xx) |
| CA (1) | CA1079026A (xx) |
| CH (1) | CH625726A5 (xx) |
| DE (1) | DE2702293A1 (xx) |
| FR (1) | FR2339452A1 (xx) |
| GB (1) | GB1565893A (xx) |
| IL (1) | IL51183A (xx) |
| IT (1) | IT1077871B (xx) |
| SE (1) | SE432725B (xx) |
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IL55283A (en) * | 1977-08-29 | 1981-01-30 | Trw Inc | Mold assembly and method of making the same |
| US4702298A (en) * | 1978-01-13 | 1987-10-27 | Trw Inc. | Method of assembling molds |
| US4224976A (en) * | 1978-01-13 | 1980-09-30 | Trw Inc. | Method of assembling molds |
| US4231413A (en) * | 1979-02-27 | 1980-11-04 | Graham Bretzger | Assembly for and method of making mold and casting of one-piece impellers |
| US4464094A (en) * | 1979-05-04 | 1984-08-07 | Trw Inc. | Turbine engine component and method of making the same |
| US4449567A (en) * | 1979-08-06 | 1984-05-22 | Trw Inc. | Method and apparatus for use in casting an article |
| US4617977A (en) * | 1982-07-03 | 1986-10-21 | Rolls-Royce Limited | Ceramic casting mould and a method for its manufacture |
| US4552197A (en) * | 1982-07-03 | 1985-11-12 | Rolls-Royce Ltd. | Mould assembly for casting metal articles and a method of manufacture thereof |
| US4730657A (en) * | 1986-04-21 | 1988-03-15 | Pcc Airfoils, Inc. | Method of making a mold |
| US4756392A (en) * | 1986-11-26 | 1988-07-12 | Appalachian Accessories, Inc. | Stainless steel brake rotor for airplane disk brakes |
| US4827588A (en) * | 1988-01-04 | 1989-05-09 | Williams International Corporation | Method of making a turbine nozzle |
| CA2134805A1 (en) | 1993-11-29 | 1995-05-30 | Furgan Z. Shaikh | Rapidly making complex castings |
| US5735336A (en) * | 1995-08-11 | 1998-04-07 | Johnson & Johnson Professional, Inc. | Investment casting method utilizing polymeric casting patterns |
| US5762125A (en) * | 1996-09-30 | 1998-06-09 | Johnson & Johnson Professional, Inc. | Custom bioimplantable article |
| US5782289A (en) * | 1996-09-30 | 1998-07-21 | Johnson & Johnson Professional, Inc. | Investment casting |
| US5906234A (en) * | 1996-10-22 | 1999-05-25 | Johnson & Johnson Professional, Inc. | Investment casting |
| EP1381481B1 (en) | 1999-10-26 | 2007-01-03 | Howmet Research Corporation | Multi-wall core and process |
| US7201212B2 (en) * | 2003-08-28 | 2007-04-10 | United Technologies Corporation | Investment casting |
| IT1397110B1 (it) * | 2008-12-29 | 2012-12-28 | St Microelectronics Rousset | Microreattore autosigillante e metodo per eseguire una reazione |
| FR2950825B1 (fr) * | 2009-10-01 | 2011-12-09 | Snecma | Procede ameliore de fabrication d'un ensemble annulaire aubage de turbomachine a la cire perdue, moule metallique et modele en cire pour la mise en oeuvre d'un tel procede |
| US8347485B2 (en) * | 2010-02-12 | 2013-01-08 | GM Global Technology Operations LLC | Centrifugally-cast shorted structure for induction motor rotors |
| CN103418754B (zh) * | 2013-08-30 | 2015-12-02 | 中国南方航空工业(集团)有限公司 | 一种用于铸造航空发动机机匣部件的铸型的制造方法 |
| FR3013387B1 (fr) * | 2013-11-20 | 2015-11-20 | Snecma | Support de palier presentant une geometrie facilitant l'evacuation des noyaux de fonderie |
| US10583479B2 (en) * | 2015-06-23 | 2020-03-10 | Rolls-Royce Corporation | Automated bi-casting |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2871528A (en) * | 1954-09-01 | 1959-02-03 | Kolcast Ind Inc | Method of and apparatus for forming frangible casting molds |
| US2848774A (en) * | 1955-07-21 | 1958-08-26 | Hudson Engineering Corp | Sectional molds |
| US3669177A (en) * | 1969-09-08 | 1972-06-13 | Howmet Corp | Shell manufacturing method for precision casting |
| US3840971A (en) * | 1971-12-30 | 1974-10-15 | Goodyear Tire & Rubber | Method of making a sand mold for casting tread rings utilized in tire molds |
| US3848654A (en) * | 1972-02-10 | 1974-11-19 | Howmet Corp | Precision casting with variable angled vanes |
-
1976
- 1976-01-29 US US05/653,383 patent/US4066116A/en not_active Expired - Lifetime
- 1976-12-29 IL IL51183A patent/IL51183A/xx unknown
-
1977
- 1977-01-11 CA CA269,447A patent/CA1079026A/en not_active Expired
- 1977-01-14 GB GB1592/77A patent/GB1565893A/en not_active Expired
- 1977-01-20 DE DE19772702293 patent/DE2702293A1/de not_active Withdrawn
- 1977-01-21 CH CH71177A patent/CH625726A5/de not_active IP Right Cessation
- 1977-01-25 IT IT19612/77A patent/IT1077871B/it active
- 1977-01-27 SE SE7700860A patent/SE432725B/xx not_active IP Right Cessation
- 1977-01-28 BE BE174473A patent/BE850864A/xx not_active IP Right Cessation
- 1977-01-28 FR FR7702493A patent/FR2339452A1/fr active Granted
- 1977-01-29 JP JP52009167A patent/JPS5837053B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| CA1079026A (en) | 1980-06-10 |
| FR2339452A1 (fr) | 1977-08-26 |
| FR2339452B1 (xx) | 1982-09-17 |
| SE432725B (sv) | 1984-04-16 |
| JPS52115728A (en) | 1977-09-28 |
| IT1077871B (it) | 1985-05-04 |
| SE7700860L (sv) | 1977-07-30 |
| BE850864A (fr) | 1977-05-16 |
| US4066116A (en) | 1978-01-03 |
| IL51183A (en) | 1980-12-31 |
| GB1565893A (en) | 1980-04-23 |
| JPS5837053B2 (ja) | 1983-08-13 |
| DE2702293A1 (de) | 1977-08-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |