JP2022110040A - 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 - Google Patents
鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 Download PDFInfo
- Publication number
- JP2022110040A JP2022110040A JP2022076785A JP2022076785A JP2022110040A JP 2022110040 A JP2022110040 A JP 2022110040A JP 2022076785 A JP2022076785 A JP 2022076785A JP 2022076785 A JP2022076785 A JP 2022076785A JP 2022110040 A JP2022110040 A JP 2022110040A
- Authority
- JP
- Japan
- Prior art keywords
- core
- shell
- ceramic
- mold
- core portion
- 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.)
- Pending
Links
Images
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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/22—Moulds for peculiarly-shaped castings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
- B22C13/08—Moulding machines for making moulds or cores of particular shapes for shell moulds or shell cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C13/00—Moulding machines for making moulds or cores of particular shapes
- B22C13/12—Moulding machines for making moulds or cores of particular shapes for cores
-
- 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
- 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
- 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
-
- 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
-
- 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
- B22D29/001—Removing cores
- B22D29/002—Removing cores by leaching, washing or dissolving
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/001—Rapid manufacturing of 3D objects by additive depositing, agglomerating or laminating of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
- B28B7/342—Moulds, cores, or mandrels of special material, e.g. destructible materials which are at least partially destroyed, e.g. broken, molten, before demoulding; Moulding surfaces or spaces shaped by, or in, the ground, or sand or soil, whether bound or not; Cores consisting at least mainly of sand or soil, whether bound or not
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/34—Moulds, cores, or mandrels of special material, e.g. destructible materials
- B28B7/346—Manufacture of moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/106—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material
- B29C64/124—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified
- B29C64/129—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask
- B29C64/135—Processes of additive manufacturing using only liquids or viscous materials, e.g. depositing a continuous bead of viscous material using layers of liquid which are selectively solidified characterised by the energy source therefor, e.g. by global irradiation combined with a mask the energy source being concentrated, e.g. scanning lasers or focused light sources
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y10/00—Processes of additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
- B33Y—ADDITIVE MANUFACTURING, i.e. MANUFACTURING OF THREE-DIMENSIONAL [3-D] OBJECTS BY ADDITIVE DEPOSITION, ADDITIVE AGGLOMERATION OR ADDITIVE LAYERING, e.g. BY 3-D PRINTING, STEREOLITHOGRAPHY OR SELECTIVE LASER SINTERING
- B33Y80/00—Products made by additive manufacturing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/757—Moulds, cores, dies
-
- 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Mold Materials And Core Materials (AREA)
Abstract
Description
Claims (11)
- 2ピースセラミック鋳造鋳型であって、
液体セラミックフォトポリマで作られた第1のコア部分と第1のシェル部分と、
を備え、
前記第1のコア部分と前記第1のシェル部分は、液体セラミックフォトポリマで作られた第2のコア部分と第2のシェル部分とに少なくとも接合して、前記第1と第2のコア部分の間と、前記第1と第2のシェル部分との間と、に空洞を備えるセラミック鋳型を形成するように適合され、
前記空洞は、鋳込んで前記セラミック鋳型を取り外すと鋳造部品が画定されるように適合され、
前記第1のコア部分又は前記第1のシェル部分は、前記第1のコア部分と前記第1のシェル部分との間の前記空洞内に突出し、前記第1のコア部分と第1のシェル部分との間に間隔を提供するように適合された少なくとも1つの離隔構造を備える、2ピースセラミック鋳造鋳型。 - 前記鋳造部品はタービンブレード又はステータベインである、請求項1に記載の2ピースセラミック鋳造鋳型。
- 前記少なくとも1つの離隔構造が前記第1のコア部分に一体的に設けられ、別の離隔構造が前記第1のシェル部分に一体的に設けられる、請求項1に記載の2ピースセラミック鋳造鋳型。
- 前記少なくとも1つの離隔構造はピン形状である、請求項1に記載の2ピースセラミック鋳造鋳型。
- 前記少なくとも1つの離隔構造が前記第2のシェル部分に一体的に設けられて前記第2のコア部分に接する、請求項1に記載の2ピースセラミック鋳造鋳型。
- 前記少なくとも1つの離隔構造はスペーサである、請求項1に記載の2ピースセラミック鋳造鋳型。
- 前記スペーサは前記鋳造部品に孔パターンを画定する、請求項6に記載の2ピースセラミック鋳造鋳型。
- 2ピースセラミック鋳型を作製する方法であって、
(a)ワークピースの硬化部分に液体セラミックフォトポリマを接触させ、
(b)前記硬化部分に隣接する前記液体セラミックフォトポリマの一部を前記液体セラミックフォトポリマに接する窓を通して照射し、
(c)前記ワークピースを前記液体セラミックフォトポリマから取り外し、
(d)セラミック鋳型の第1のコア部分と第1のシェル部分が形成されるまで、ステップ(a)~ステップ(c)を繰り返し、
前記第1のコア部分と前記第1のシェル部分は、少なくとも第2のコア部分と第2のシェル部分に接合して、前記第1と第2のコア部分と、前記第1と第2のシェル部分と、の間に空洞を含むセラミック鋳型を形成するように適合され、
前記空洞は、鋳込んで前記セラミック鋳型を取り外すと、鋳造部品を画定するように適合され、
前記第1のコア部分又は前記第1のシェル部分は、前記第1のコア部分と前記第1のシェル部分との間の前記空洞内に突出し、前記第1のコア部分と前記第1のシェル部分との間に間隔を提供するように適合された、少なくとも1つの離隔構造を備え、前記少なくとも1つの離隔構造は緩衝構造又はピンである、2ピースセラミック鋳型を作製する方法。 - 一つの緩衝構造が前記第1のコア部分に一体的に設けられ、別の緩衝構造が前記第1のシェル部分に一体的に設けられる、請求項8に記載の2ピースセラミック鋳型を作製する方法。
- 前記ピンが前記第2のシェル部分に一体的に設けられて前記第2のコア部分に接する、請求項8に記載の2ピースセラミック鋳型を作製する方法。
- 鋳造部品を作製する方法であって、
セラミック鋳型の第1のコア部分と第1のシェル部分を、少なくとも第2のコア部分と第2のシェル部分に組み立てて、前記第1と第2のコア部分と、前記第1と第2のシェル部分と、の間に空洞を含むセラミック鋳型を形成するステップであって、
前記空洞は、鋳込んで前記セラミック鋳型を取り外すと鋳造部品を画定するように適合され、
前記第1のコア部分又は前記第1のシェル部分は、前記第1のコア部分と前記第1のシェル部分との間の前記空洞内に突出し、前記第1のコア部分と前記第1のシェル部分との間に間隔を提供するように適合された、少なくとも1つの離隔構造を備え、
前記少なくとも1つの離隔構造は緩衝構造又はピンである、ステップと、
前記セラミック鋳型内に液体金属を注入し、前記液体金属を凝固させて前記鋳造部品を形成するステップと、
前記セラミック鋳型を前記鋳造部品から取り外すステップと、
を含む、鋳造部品を作製する方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2023094420A JP2023123539A (ja) | 2016-12-13 | 2023-06-07 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US15/377,746 US20180161855A1 (en) | 2016-12-13 | 2016-12-13 | Multi-piece integrated core-shell structure with standoff and/or bumper for making cast component |
US15/377,746 | 2016-12-13 | ||
PCT/US2017/060178 WO2018111439A1 (en) | 2016-12-13 | 2017-11-06 | Multi-piece integrated core-shell structure with standoff and/or bumper for making cast component |
JP2019530670A JP2020501904A (ja) | 2016-12-13 | 2017-11-06 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア−シェル構造 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019530670A Division JP2020501904A (ja) | 2016-12-13 | 2017-11-06 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア−シェル構造 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023094420A Division JP2023123539A (ja) | 2016-12-13 | 2023-06-07 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2022110040A true JP2022110040A (ja) | 2022-07-28 |
Family
ID=62488256
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019530670A Pending JP2020501904A (ja) | 2016-12-13 | 2017-11-06 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア−シェル構造 |
JP2022076785A Pending JP2022110040A (ja) | 2016-12-13 | 2022-05-06 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 |
JP2023094420A Pending JP2023123539A (ja) | 2016-12-13 | 2023-06-07 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019530670A Pending JP2020501904A (ja) | 2016-12-13 | 2017-11-06 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア−シェル構造 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2023094420A Pending JP2023123539A (ja) | 2016-12-13 | 2023-06-07 | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20180161855A1 (ja) |
EP (1) | EP3554742B1 (ja) |
JP (3) | JP2020501904A (ja) |
CN (1) | CN110072646B (ja) |
CA (1) | CA3045621A1 (ja) |
WO (1) | WO2018111439A1 (ja) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10807154B2 (en) * | 2016-12-13 | 2020-10-20 | General Electric Company | Integrated casting core-shell structure for making cast component with cooling holes in inaccessible locations |
US11813669B2 (en) | 2016-12-13 | 2023-11-14 | General Electric Company | Method for making an integrated core-shell structure |
US20180161866A1 (en) | 2016-12-13 | 2018-06-14 | General Electric Company | Multi-piece integrated core-shell structure for making cast component |
US10625342B2 (en) | 2017-02-22 | 2020-04-21 | General Electric Company | Method of repairing turbine component |
US10610933B2 (en) | 2017-02-22 | 2020-04-07 | General Electric Company | Method of manufacturing turbine airfoil with open tip casting and tip component thereof |
US11154956B2 (en) | 2017-02-22 | 2021-10-26 | General Electric Company | Method of repairing turbine component using ultra-thin plate |
US10702958B2 (en) | 2017-02-22 | 2020-07-07 | General Electric Company | Method of manufacturing turbine airfoil and tip component thereof using ceramic core with witness feature |
US10717130B2 (en) | 2017-02-22 | 2020-07-21 | General Electric Company | Method of manufacturing turbine airfoil and tip component thereof |
US11173542B2 (en) | 2017-06-28 | 2021-11-16 | General Electric Company | Additively manufactured casting core-shell mold and ceramic shell with variable thermal properties |
US10391549B2 (en) | 2017-06-28 | 2019-08-27 | General Electric Company | Additively manufactured casting core-shell hybrid mold and ceramic shell |
US10974312B2 (en) | 2017-06-28 | 2021-04-13 | General Electric Company | Additively manufactured casting core-shell mold with integrated filter and ceramic shell |
US11192172B2 (en) | 2017-06-28 | 2021-12-07 | General Electric Company | Additively manufactured interlocking casting core structure with ceramic shell |
US10391670B2 (en) | 2017-06-28 | 2019-08-27 | General Electric Company | Additively manufactured integrated casting core structure with ceramic shell |
CN116851651B (zh) * | 2023-08-15 | 2024-02-23 | 无锡锡南科技股份有限公司 | 电机壳组合式气道芯及制芯方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56154250A (en) * | 1980-04-30 | 1981-11-28 | Riken Corp | Manufacture of mold for precision casting |
JPH06154947A (ja) * | 1992-08-10 | 1994-06-03 | Howmet Corp | 一体構造の壁厚制御手段付きコアによるインベストメント鋳造法 |
US20100003619A1 (en) * | 2008-05-05 | 2010-01-07 | Suman Das | Systems and methods for fabricating three-dimensional objects |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5256340A (en) | 1988-04-18 | 1993-10-26 | 3D Systems, Inc. | Method of making a three-dimensional object by stereolithography |
US5387380A (en) | 1989-12-08 | 1995-02-07 | Massachusetts Institute Of Technology | Three-dimensional printing techniques |
US6932145B2 (en) | 1998-11-20 | 2005-08-23 | Rolls-Royce Corporation | Method and apparatus for production of a cast component |
US6186217B1 (en) * | 1998-12-01 | 2001-02-13 | Howmet Research Corporation | Multipiece core assembly |
US6331267B1 (en) * | 1999-11-16 | 2001-12-18 | General Electric Company | Apparatus and method for molding a core for use in casting hollow parts |
US9561622B2 (en) | 2008-05-05 | 2017-02-07 | Georgia Tech Research Corporation | Systems and methods for fabricating three-dimensional objects |
US20100028645A1 (en) * | 2008-08-04 | 2010-02-04 | Michael Maguire | Adaptive supports for green state articles and methods of processing thereof |
ES2408233T3 (es) | 2008-10-20 | 2013-06-19 | Ivoclar Vivadent Ag | Dispositivo y procedimiento para el procesamiento de material polimerizable por luz para la formación por capas de cuerpos moldeados. |
US20110132564A1 (en) * | 2009-12-08 | 2011-06-09 | Merrill Gary B | Investment casting utilizing flexible wax pattern tool |
US8813812B2 (en) * | 2010-02-25 | 2014-08-26 | Siemens Energy, Inc. | Turbine component casting core with high resolution region |
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 |
CN102802834B (zh) * | 2010-12-07 | 2016-06-22 | 西门子能源有限公司 | 使用柔性蜡模工具的熔模铸造 |
ES2424738T3 (es) * | 2011-03-29 | 2013-10-08 | Ivoclar Vivadent Ag | Procedimiento para la formación en capas de un cuerpo moldeado de material foto polimerizable de alta viscosidad |
US9835035B2 (en) * | 2013-03-12 | 2017-12-05 | Howmet Corporation | Cast-in cooling features especially for turbine airfoils |
JP6231214B2 (ja) * | 2013-08-23 | 2017-11-15 | シーメンス エナジー インコーポレイテッド | 高精細度領域を備えるタービン構成部品鋳造中子 |
US20180161866A1 (en) * | 2016-12-13 | 2018-06-14 | General Electric Company | Multi-piece integrated core-shell structure for making cast component |
-
2016
- 2016-12-13 US US15/377,746 patent/US20180161855A1/en not_active Abandoned
-
2017
- 2017-11-06 CN CN201780076713.8A patent/CN110072646B/zh active Active
- 2017-11-06 EP EP17881326.7A patent/EP3554742B1/en active Active
- 2017-11-06 JP JP2019530670A patent/JP2020501904A/ja active Pending
- 2017-11-06 CA CA3045621A patent/CA3045621A1/en active Pending
- 2017-11-06 WO PCT/US2017/060178 patent/WO2018111439A1/en unknown
-
2022
- 2022-05-06 JP JP2022076785A patent/JP2022110040A/ja active Pending
-
2023
- 2023-06-07 JP JP2023094420A patent/JP2023123539A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS56154250A (en) * | 1980-04-30 | 1981-11-28 | Riken Corp | Manufacture of mold for precision casting |
JPH06154947A (ja) * | 1992-08-10 | 1994-06-03 | Howmet Corp | 一体構造の壁厚制御手段付きコアによるインベストメント鋳造法 |
US20100003619A1 (en) * | 2008-05-05 | 2010-01-07 | Suman Das | Systems and methods for fabricating three-dimensional objects |
Also Published As
Publication number | Publication date |
---|---|
CN110072646B (zh) | 2021-06-25 |
EP3554742A1 (en) | 2019-10-23 |
US20180161855A1 (en) | 2018-06-14 |
CA3045621A1 (en) | 2018-06-21 |
EP3554742A4 (en) | 2020-06-24 |
JP2020501904A (ja) | 2020-01-23 |
WO2018111439A1 (en) | 2018-06-21 |
CN110072646A (zh) | 2019-07-30 |
EP3554742B1 (en) | 2022-04-13 |
JP2023123539A (ja) | 2023-09-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP2022110040A (ja) | 鋳造部品作製のための離隔体及び/又は緩衝体を備えた複数ピース一体型コア-シェル構造 | |
JP7264338B2 (ja) | アクセス困難な場所に冷却孔を有する鋳造部品を製造するための統合鋳造コア・シェル構造 | |
JP7099792B2 (ja) | 鋳造部品を製造するための印刷された管を有する一体式鋳造コア-シェル構造 | |
JP7327742B2 (ja) | セラミックの型を製造する方法、鋳造部品を製造する方法、及びセラミック鋳型 | |
JP6996822B2 (ja) | 非線形孔を有する鋳造構成要素を製造するための一体型鋳造コアシェル構造 | |
JP6940610B2 (ja) | 鋳物部品を製造するためのマルチピース一体型コア・シェル構造 | |
JP7235802B2 (ja) | 鋳造部品を製造するための一体型鋳造コアシェル構造およびフィルタ | |
JP7006880B2 (ja) | 浮動する先端プレナムを有する一体式コア-シェル構造 | |
JP2020501907A (ja) | 薄い根元構成要素を有する鋳造構成要素を製造するための一体型鋳造コアシェル構造 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20220606 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20220705 |
|
A871 | Explanation of circumstances concerning accelerated examination |
Free format text: JAPANESE INTERMEDIATE CODE: A871 Effective date: 20220705 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20220906 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221206 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20221206 |
|
A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20230207 |