ZA200503068B - Investment casting - Google Patents
Investment casting Download PDFInfo
- Publication number
- ZA200503068B ZA200503068B ZA200503068A ZA200503068A ZA200503068B ZA 200503068 B ZA200503068 B ZA 200503068B ZA 200503068 A ZA200503068 A ZA 200503068A ZA 200503068 A ZA200503068 A ZA 200503068A ZA 200503068 B ZA200503068 B ZA 200503068B
- Authority
- ZA
- South Africa
- Prior art keywords
- core
- die
- molding
- investment casting
- forming
- Prior art date
Links
- 238000005495 investment casting Methods 0.000 title claims description 30
- 239000000463 material Substances 0.000 claims abstract description 56
- 238000000465 moulding Methods 0.000 claims abstract description 47
- 239000001993 wax Substances 0.000 claims description 49
- 238000000034 method Methods 0.000 claims description 36
- 239000003870 refractory metal Substances 0.000 claims description 14
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000003780 insertion Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims description 8
- 229910010293 ceramic material Inorganic materials 0.000 claims description 4
- 239000011247 coating layer Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 239000012778 molding material Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 description 31
- 238000001816 cooling Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000011248 coating agent Substances 0.000 description 5
- 238000000576 coating method Methods 0.000 description 5
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 239000002243 precursor Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 239000011800 void material Substances 0.000 description 3
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910000601 superalloy Inorganic materials 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005524 ceramic coating Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/12—Accessories
- B22C21/14—Accessories for reinforcing or securing moulding materials or cores, e.g. gaggers, chaplets, pins, bars
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/103—Multipart cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Sorption Type Refrigeration Machines (AREA)
- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/867,230 US7216689B2 (en) | 2004-06-14 | 2004-06-14 | Investment casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA200503068B true ZA200503068B (en) | 2007-04-25 |
Family
ID=34941651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA200503068A ZA200503068B (en) | 2004-06-14 | 2005-04-15 | Investment casting |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US7216689B2 (ko) |
| EP (1) | EP1611978B1 (ko) |
| KR (1) | KR100611274B1 (ko) |
| AT (1) | ATE413937T1 (ko) |
| AU (1) | AU2005201580B2 (ko) |
| DE (1) | DE602005010941D1 (ko) |
| ZA (1) | ZA200503068B (ko) |
Families Citing this family (44)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050087319A1 (en) * | 2003-10-16 | 2005-04-28 | Beals James T. | Refractory metal core wall thickness control |
| US7569172B2 (en) * | 2005-06-23 | 2009-08-04 | United Technologies Corporation | Method for forming turbine blade with angled internal ribs |
| US7185695B1 (en) * | 2005-09-01 | 2007-03-06 | United Technologies Corporation | Investment casting pattern manufacture |
| US7686065B2 (en) * | 2006-05-15 | 2010-03-30 | United Technologies Corporation | Investment casting core assembly |
| US7686068B2 (en) * | 2006-08-10 | 2010-03-30 | United Technologies Corporation | Blade outer air seal cores and manufacture methods |
| US7753104B2 (en) * | 2006-10-18 | 2010-07-13 | United Technologies Corporation | Investment casting cores and methods |
| US20080110024A1 (en) * | 2006-11-14 | 2008-05-15 | Reilly P Brennan | Airfoil casting methods |
| US20080131285A1 (en) * | 2006-11-30 | 2008-06-05 | United Technologies Corporation | RMC-defined tip blowing slots for turbine blades |
| DE102007012321A1 (de) * | 2007-03-09 | 2008-09-11 | Rolls-Royce Deutschland Ltd & Co Kg | Verfahren zum Feingießen von metallischen Bauteilen mit dünnen Durchgangskanälen |
| US7779892B2 (en) * | 2007-05-09 | 2010-08-24 | United Technologies Corporation | Investment casting cores and methods |
| US8066052B2 (en) | 2007-06-07 | 2011-11-29 | United Technologies Corporation | Cooled wall thickness control |
| US8133553B2 (en) | 2007-06-18 | 2012-03-13 | Zimmer, Inc. | Process for forming a ceramic layer |
| US8309521B2 (en) * | 2007-06-19 | 2012-11-13 | Zimmer, Inc. | Spacer with a coating thereon for use with an implant device |
| US7950441B2 (en) * | 2007-07-20 | 2011-05-31 | GM Global Technology Operations LLC | Method of casting damped part with insert |
| US8608049B2 (en) | 2007-10-10 | 2013-12-17 | Zimmer, Inc. | Method for bonding a tantalum structure to a cobalt-alloy substrate |
| US8157527B2 (en) * | 2008-07-03 | 2012-04-17 | United Technologies Corporation | Airfoil with tapered radial cooling passage |
| US8572844B2 (en) * | 2008-08-29 | 2013-11-05 | United Technologies Corporation | Airfoil with leading edge cooling passage |
| US8303252B2 (en) * | 2008-10-16 | 2012-11-06 | United Technologies Corporation | Airfoil with cooling passage providing variable heat transfer rate |
| US8215372B2 (en) * | 2008-10-17 | 2012-07-10 | Brp Us Inc. | Method and apparatus for consumable-pattern casting |
| US8113780B2 (en) * | 2008-11-21 | 2012-02-14 | United Technologies Corporation | Castings, casting cores, and methods |
| US8109725B2 (en) * | 2008-12-15 | 2012-02-07 | United Technologies Corporation | Airfoil with wrapped leading edge cooling passage |
| GB0901663D0 (en) * | 2009-02-04 | 2009-03-11 | Rolls Royce Plc | Casting method |
| GB0904492D0 (en) * | 2009-03-17 | 2009-04-29 | Rolls Royce Plc | Single crystal casting apparatus |
| JP5791594B2 (ja) | 2009-05-20 | 2015-10-07 | ハウメット コーポレイションＨｏｗｍｅｔ Ｃｏｒｐｏｒａｔｉｏｎ | Ｐｔ−Ａｌ−Ｈｆ／Ｚｒコーティング及びコーティング方法 |
| US20110094698A1 (en) * | 2009-10-28 | 2011-04-28 | Howmet Corporation | Fugitive core tooling and method |
| US20130333855A1 (en) * | 2010-12-07 | 2013-12-19 | Gary B. Merrill | Investment casting utilizing flexible wax pattern tool for supporting a ceramic core along its length during wax injection |
| US8251123B2 (en) * | 2010-12-30 | 2012-08-28 | United Technologies Corporation | Casting core assembly methods |
| US8302668B1 (en) * | 2011-06-08 | 2012-11-06 | United Technologies Corporation | Hybrid core assembly for a casting process |
| US9422817B2 (en) | 2012-05-31 | 2016-08-23 | United Technologies Corporation | Turbine blade root with microcircuit cooling passages |
| US9486853B2 (en) | 2012-09-14 | 2016-11-08 | United Technologies Corporation | Casting of thin wall hollow airfoil sections |
| US20140102656A1 (en) * | 2012-10-12 | 2014-04-17 | United Technologies Corporation | Casting Cores and Manufacture Methods |
| WO2014175940A2 (en) * | 2013-03-01 | 2014-10-30 | United Technologies Corporation | Gas turbine engine component manufacturing method and core for making same |
| EP3027340B1 (en) * | 2013-07-31 | 2018-09-05 | United Technologies Corporation | Castings and manufacture methods |
| WO2015060989A1 (en) * | 2013-10-24 | 2015-04-30 | United Technologies Corporation | Lost core molding cores for forming cooling passages |
| WO2015122445A1 (ja) * | 2014-02-13 | 2015-08-20 | 日立金属株式会社 | セラミック焼結体の製造方法およびセラミック焼結体 |
| US9463506B2 (en) * | 2014-04-15 | 2016-10-11 | United Technologies Corporation | Working additively manufactured parts |
| US10406596B2 (en) * | 2015-05-01 | 2019-09-10 | United Technologies Corporation | Core arrangement for turbine engine component |
| CN109070193B (zh) * | 2016-03-24 | 2020-10-09 | 西门子股份公司 | 制造具有用于熔模铸造的突出镶铸冷却结构的混合芯部的方法 |
| GB201701365D0 (en) * | 2017-01-27 | 2017-03-15 | Rolls Royce Plc | A ceramic core for an investment casting process |
| CN109351912B (zh) * | 2018-11-20 | 2020-11-27 | 安徽应流航源动力科技有限公司 | 一种用于调节发动机叶片陶瓷型芯定位模具及定位方法 |
| US11203058B2 (en) | 2019-11-22 | 2021-12-21 | Raytheon Technologies Corporation | Turbine blade casting with strongback core |
| EP4069447B1 (en) * | 2020-01-13 | 2024-03-06 | Siemens Energy Global GmbH & Co. KG | Rapid manufacturing process for high definition ceramic core used for investment casting applications |
| US11242768B2 (en) * | 2020-03-11 | 2022-02-08 | Raytheon Technologies Corporation | Investment casting core bumper for gas turbine engine article |
| CN113229972B (zh) * | 2021-04-15 | 2022-07-22 | 厦门市仿真美义齿科技有限公司 | 一种义齿比色模成型模具 |
Family Cites Families (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4160313A (en) * | 1975-09-25 | 1979-07-10 | Rolls-Royce Limited | Method of making a wax pattern for a shell mould |
| US4283835A (en) | 1980-04-02 | 1981-08-18 | United Technologies Corporation | Cambered core positioning for injection molding |
| US4487246A (en) * | 1982-04-12 | 1984-12-11 | Howmet Turbine Components Corporation | System for locating cores in casting molds |
| US5405242A (en) | 1990-07-09 | 1995-04-11 | United Technologies Corporation | Cooled vane |
| US5296308A (en) | 1992-08-10 | 1994-03-22 | Howmet Corporation | Investment casting using core with integral wall thickness control means |
| US5291654A (en) * | 1993-03-29 | 1994-03-08 | United Technologies Corporation | Method for producing hollow investment castings |
| US5640767A (en) | 1995-01-03 | 1997-06-24 | Gen Electric | Method for making a double-wall airfoil |
| US5853044A (en) | 1996-04-24 | 1998-12-29 | Pcc Airfoils, Inc. | Method of casting an article |
| DE19821770C1 (de) | 1998-05-14 | 1999-04-15 | Siemens Ag | Verfahren und Vorrichtung zur Herstellung eines metallischen Hohlkörpers |
| US6505678B2 (en) * | 2001-04-17 | 2003-01-14 | Howmet Research Corporation | Ceramic core with locators and method |
| US6637500B2 (en) * | 2001-10-24 | 2003-10-28 | United Technologies Corporation | Cores for use in precision investment casting |
| US6668906B2 (en) | 2002-04-29 | 2003-12-30 | United Technologies Corporation | Shaped core for cast cooling passages and enhanced part definition |
| US6705831B2 (en) * | 2002-06-19 | 2004-03-16 | United Technologies Corporation | Linked, manufacturable, non-plugging microcircuits |
| US20050087319A1 (en) * | 2003-10-16 | 2005-04-28 | Beals James T. | Refractory metal core wall thickness control |
-
2004
- 2004-06-14 US US10/867,230 patent/US7216689B2/en not_active Expired - Lifetime
-
2005
- 2005-04-15 ZA ZA200503068A patent/ZA200503068B/en unknown
- 2005-04-15 AU AU2005201580A patent/AU2005201580B2/en not_active Expired - Fee Related
- 2005-05-10 KR KR1020050038644A patent/KR100611274B1/ko not_active IP Right Cessation
- 2005-06-13 AT AT05253615T patent/ATE413937T1/de not_active IP Right Cessation
- 2005-06-13 DE DE602005010941T patent/DE602005010941D1/de active Active
- 2005-06-13 EP EP05253615A patent/EP1611978B1/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| US20050274478A1 (en) | 2005-12-15 |
| KR20060045990A (ko) | 2006-05-17 |
| DE602005010941D1 (de) | 2008-12-24 |
| US7216689B2 (en) | 2007-05-15 |
| AU2005201580B2 (en) | 2007-03-01 |
| ATE413937T1 (de) | 2008-11-15 |
| EP1611978A1 (en) | 2006-01-04 |
| AU2005201580A1 (en) | 2006-01-05 |
| KR100611274B1 (ko) | 2006-08-10 |
| EP1611978B1 (en) | 2008-11-12 |
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