JP2020501907A - 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 - Google Patents
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 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims description 79
- 239000011258 core-shell material Substances 0.000 title abstract description 50
- 241000879887 Cyrtopleura costata Species 0.000 claims abstract description 25
- 239000000919 ceramic Substances 0.000 claims description 100
- 238000000034 method Methods 0.000 claims description 87
- 238000005266 casting Methods 0.000 claims description 35
- 239000002184 metal Substances 0.000 claims description 32
- 229910052751 metal Inorganic materials 0.000 claims description 32
- 238000001816 cooling Methods 0.000 claims description 26
- 239000013078 crystal Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 16
- 229910001338 liquidmetal Inorganic materials 0.000 claims description 16
- 229910000601 superalloy Inorganic materials 0.000 claims description 16
- 238000002386 leaching Methods 0.000 claims description 12
- 239000000126 substance Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 4
- 239000012530 fluid Substances 0.000 claims description 4
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 description 54
- 239000011162 core material Substances 0.000 description 48
- 238000002156 mixing Methods 0.000 description 24
- 238000005495 investment casting Methods 0.000 description 16
- 238000012545 processing Methods 0.000 description 14
- 239000000843 powder Substances 0.000 description 10
- 241000725175 Caladium bicolor Species 0.000 description 8
- 235000015966 Pleurocybella porrigens Nutrition 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 239000011800 void material Substances 0.000 description 8
- 238000013461 design Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000010146 3D printing Methods 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 2
- 238000001723 curing Methods 0.000 description 2
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- 230000000694 effects Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000007667 floating Methods 0.000 description 2
- 238000007373 indentation Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000000016 photochemical curing Methods 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000004018 waxing Methods 0.000 description 2
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B22D29/001—Removing cores
- B22D29/002—Removing cores by leaching, washing or dissolving
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- B33Y80/00—Products made by additive manufacturing
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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- F01D9/06—Fluid supply conduits to nozzles or the like
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03F—PHOTOMECHANICAL PRODUCTION OF TEXTURED OR PATTERNED SURFACES, e.g. FOR PRINTING, FOR PROCESSING OF SEMICONDUCTOR DEVICES; MATERIALS THEREFOR; ORIGINALS THEREFOR; APPARATUS SPECIALLY ADAPTED THEREFOR
- G03F7/00—Photomechanical, e.g. photolithographic, production of textured or patterned surfaces, e.g. printing surfaces; Materials therefor, e.g. comprising photoresists; Apparatus specially adapted therefor
- G03F7/20—Exposure; Apparatus therefor
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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- B—PERFORMING OPERATIONS; TRANSPORTING
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Abstract
Description
Claims (20)
- タービンブレード又は静翼のためのセラミック型を製造する方法であって、
(a)加工物の硬化部分を液体セラミックフォトポリマーと接触させ、
(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ーの一部に、前記液体セラミックフォトポリマーに接触する窓を通して光を照射し、
(c)未硬化の前記液体セラミックフォトポリマーから前記加工物を取り出し、
(d)セラミック型が形成されるまで、ステップ(a)〜(c)を繰り返す、
ことを含む、方法であって、
前記セラミック型は、
(1)コア部分とシェル部分との間に少なくとも1つのキャビティを有する前記コア部分及び前記シェル部分であって、前記キャビティは、前記セラミック型の鋳造及び除去の際に前記タービンブレード又は静翼の形状を画定するように適合されている、コア部分及びシェル部分と、
(2)0.64mm未満の最小寸法を有するタービンブレード又は静翼の根元構成要素を画定する前記キャビティと、
を含む、方法。 - プロセスは、ステップ(d)の後に、鋳造構成要素を形成するために鋳型に液体金属を注入し、前記液体金属を凝固させるステップ(e)を含む、請求項1に記載の方法。
- 前記プロセスは、ステップ(e)の後に、前記鋳造構成要素から前記型を除去するステップ(f)を含む、請求項2に記載の方法。
- 前記鋳造構成要素から前記型を除去するステップは、機械力と化学的浸出との組み合わせを含む、請求項3に記載の方法。
- 前記タービンブレード又は静翼の根元構成要素は、0.1〜0.6mmの範囲の最小寸法を有する、請求項1に記載の方法。
- 前記タービンブレード又は静翼の根元構成要素は、0.2〜0.5mmの範囲の最小寸法を有する、請求項1に記載の方法。
- 前記タービンブレード又は静翼の根元構成要素は、エンジェルウィング、スカート、又はダンパラグである、請求項1に記載の方法。
- タービンブレード又は静翼を製造する方法であって、
(a)前記タービンブレード又は静翼を形成するために液体金属をセラミック鋳型に注入し、前記液体金属を凝固させることであって、
前記セラミック鋳型は、
(1)コア部分とシェル部分との間に少なくとも1つのキャビティを有する前記コア部分及び前記シェル部分であって、前記キャビティは、前記セラミック型の鋳造及び除去の際に前記タービンブレード又は静翼の形状を画定するように適合されている、コア部分及びシェル部分と、
(2)0.64mm未満の最小寸法を有するタービンブレード又は静翼の根元構成要素を画定する前記キャビティと、
を含み
(b)前記タービンブレード又は静翼の孔を通して、前記セラミックコアの少なくとも一部を浸出させることによって、鋳造構成要素から前記セラミック鋳型を除去する、
ことを含む、方法。 - 前記鋳造構成要素から前記セラミック鋳型を除去することは、機械力と化学的浸出との組み合わせを含む、請求項8に記載の方法。
- 前記タービンブレード又は静翼の根元構成要素は、0.1〜0.6mmの範囲の最小寸法を有する、請求項8に記載の方法。
- 前記タービンブレード又は静翼の根元構成要素は、エンジェルウィング、スカート、又はダンパラグである、請求項8に記載の方法。
- コア部分とシェル部分との間に少なくとも1つのキャビティを有する前記コア部分及び前記シェル部分であって、前記キャビティは、セラミック型の鋳造及び除去の際に鋳造構成要素の形状を画定するように適合されている、コア部分及びシェル部分と、
0.64mm未満の最小寸法を有するタービンブレード又は静翼の根元構成要素を画定する前記キャビティと、
を含む、セラミック鋳型。 - 前記タービンブレード又は静翼の根元構成要素は、0.1〜0.6mmの範囲の最小寸法を有する、請求項12に記載のセラミック鋳型。
- 前記タービンブレード又は静翼の根元構成要素は、0.2〜0.5mmの範囲の最小寸法を有する、請求項12に記載のセラミック鋳型。
- 前記タービンブレード又は静翼の根元構成要素は、エンジェルウィング、スカート、又はダンパラグである、請求項12に記載のセラミック鋳型。
- 内部キャビティ及び外側表面と、
前記内部キャビティと前記外側表面との間の流体連通を提供する複数の冷却孔と、
0.64mm未満の最小寸法を有するタービンブレードの根元構成要素と、
を有する、単結晶金属タービンブレード又は静翼。 - 前記タービンブレード又は静翼の根元構成要素は、0.1〜0.6mmの範囲の最小寸法を有する、請求項16に記載の単結晶金属タービンブレード又は静翼。
- 前記タービンブレード又は静翼の根元構成要素は、0.2〜0.5mmの範囲の最小寸法を有する、請求項16に記載の単結晶金属タービンブレード又は静翼。
- 前記タービンブレード又は静翼の根元構成要素は、エンジェルウィング、スカート、又はダンパラグである、請求項16に記載の単結晶金属タービンブレード又は静翼。
- 前記単結晶金属は、超合金である、請求項16に記載の単結晶金属タービンブレード又は静翼。
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US15/377,766 US20180161857A1 (en) | 2016-12-13 | 2016-12-13 | Integrated casting core-shell structure for making cast components having thin root components |
PCT/US2017/057874 WO2018111405A1 (en) | 2016-12-13 | 2017-10-23 | Integrated casting core-shell structure for making cast components having thin root components |
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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 |
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 |
US10717130B2 (en) | 2017-02-22 | 2020-07-21 | General Electric Company | Method of manufacturing turbine airfoil and tip component thereof |
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 |
US11154956B2 (en) | 2017-02-22 | 2021-10-26 | General Electric Company | Method of repairing turbine component using ultra-thin plate |
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 |
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 |
US10391549B2 (en) | 2017-06-28 | 2019-08-27 | General Electric Company | Additively manufactured casting core-shell hybrid mold and ceramic shell |
US11173542B2 (en) | 2017-06-28 | 2021-11-16 | General Electric Company | Additively manufactured casting core-shell mold and ceramic shell with variable thermal properties |
US10974312B2 (en) | 2017-06-28 | 2021-04-13 | General Electric Company | Additively manufactured casting core-shell mold with integrated filter and ceramic shell |
US20240218828A1 (en) | 2022-11-01 | 2024-07-04 | General Electric Company | Gas Turbine Engine |
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US20180161857A1 (en) | 2018-06-14 |
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