JP2017089631A - 冷却孔にオーバーハングタブを作製するための付加製造方法 - Google Patents
冷却孔にオーバーハングタブを作製するための付加製造方法 Download PDFInfo
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 32
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- 230000000996 additive effect Effects 0.000 title claims abstract description 20
- 238000000034 method Methods 0.000 claims abstract description 62
- 239000000463 material Substances 0.000 claims abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 63
- 238000002844 melting Methods 0.000 claims description 23
- 230000008018 melting Effects 0.000 claims description 23
- 238000000151 deposition Methods 0.000 claims description 13
- 230000008021 deposition Effects 0.000 claims description 4
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- 239000002184 metal Substances 0.000 description 2
- 229910001092 metal group alloy Inorganic materials 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000000110 selective laser sintering Methods 0.000 description 2
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- 238000010146 3D printing Methods 0.000 description 1
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
- F01D5/12—Blades
- F01D5/14—Form or construction
- F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
- F01D5/186—Film cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F5/00—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product
- B22F5/04—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/28—Powder bed fusion, e.g. selective laser melting [SLM] or electron beam melting [EBM]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/60—Treatment of workpieces or articles after build-up
- B22F10/68—Cleaning or washing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/02—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers
- B22F7/04—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite layers with one or more layers not made from powder, e.g. made from solid metal
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F7/00—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression
- B22F7/06—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools
- B22F7/08—Manufacture of composite layers, workpieces, or articles, comprising metallic powder, by sintering the powder, with or without compacting wherein at least one part is obtained by sintering or compression of composite workpieces or articles from parts, e.g. to form tipped tools with one or more parts not made from powder
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23R—GENERATING COMBUSTION PRODUCTS OF HIGH PRESSURE OR HIGH VELOCITY, e.g. GAS-TURBINE COMBUSTION CHAMBERS
- F23R3/00—Continuous combustion chambers using liquid or gaseous fuel
- F23R3/02—Continuous combustion chambers using liquid or gaseous fuel characterised by the air-flow or gas-flow configuration
- F23R3/04—Air inlet arrangements
- F23R3/06—Arrangement of apertures along the flame tube
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F10/00—Additive manufacturing of workpieces or articles from metallic powder
- B22F10/20—Direct sintering or melting
- B22F10/25—Direct deposition of metal particles, e.g. direct metal deposition [DMD] or laser engineered net shaping [LENS]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P2700/00—Indexing scheme relating to the articles being treated, e.g. manufactured, repaired, assembled, connected or other operations covered in the subgroups
- B23P2700/06—Cooling passages of turbine components, e.g. unblocking or preventing blocking of cooling passages of turbine components
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/202—Heat transfer, e.g. cooling by film cooling
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2260/00—Function
- F05D2260/20—Heat transfer, e.g. cooling
- F05D2260/221—Improvement of heat transfer
-
- 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
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Plasma & Fusion (AREA)
- Composite Materials (AREA)
- Combustion & Propulsion (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Powder Metallurgy (AREA)
Abstract
【解決手段】部品を通過する冷却孔(100)の排出端部にオーバーハング構造を形成する方法を提供する。方法は、付加製造プロセスを用いて、材料を面に溶融して、冷却孔(100)の排出端部の縁部を構築して、オーバーハングタブ(109)を形成する工程を含む。
【選択図】図2
Description
[実施態様1]
部品を通過する冷却孔(100)の排出端部にオーバーハング構造を形成するための方法であって、
付加製造プロセスを用いて面(133)に材料(152)を溶融して、冷却孔(100)の排出端部の縁部を構築して、オーバーハングタブ(109)を形成する工程を含む方法。
[実施態様2]
冷却孔(100)の排出端部に設置された凹部(132)に粉末を堆積させる工程と、
構造の層に対応するパターンで粉末を溶融する工程とをさらに含む、実施態様1に記載の方法。
[実施態様3]
堆積及び溶融の工程を周期的に繰り返して、層毎にオーバーハング構造を構築する工程をさらに含む、実施態様2に記載の方法。
[実施態様4]
堆積及び溶融の繰り返し周期が、溶融粉末及び未溶融粉末の両方を含む部品壁(120)をもたらす方法であって、未溶融粉末を取り除く工程をさらに含む、実施態様3に記載の方法。
[実施態様5]
複数の別個の後続の層を面(133)に直接溶融する、実施態様2に記載の方法。
[実施態様6]
隣接する後続の層を面(133)に直接溶融する工程をさらに含む、実施態様5に記載の方法。
[実施態様7]
冷却孔(100)にプラグ(134)を形成し、プラグ(134)に粉末を堆積させる工程をさらに含む、実施態様2に記載の方法。
[実施態様8]
未溶融粉末がプラグ(134)の少なくとも一部分の上に残るように、粉末を溶融する工程をさらに含む、実施態様7に記載の方法。
[実施態様9]
各々の後続の層の未溶融粉末が、その前の層の未溶融粉末に重なるように、後続の層を溶融することによって、オーバーハングタブ(109)を形成する工程をさらに含む、実施態様8に記載の方法。
[実施態様10]
排出端部の上流縁部を構築する工程をさらに含む、実施態様1に記載の方法。
[実施態様11]
部品は金属合金を含む、実施態様1に記載の方法。
[実施態様12]
粉末は金属合金を含む、実施態様1に記載の方法。
[実施態様13]
内表面(154)及び外表面(156)を含む部品壁(120)を有するタービン部品に、冷却孔(100)の薄い上流縁部を形成する方法であって、冷却孔(100)は、部品壁(120)を通過し、内表面(154)及び外表面(156)を流体的に接続することを特徴とする方法であって、
冷却孔(100)の排出端部の一部分を取り除き、外表面(156)及び冷却孔(100)の間に位置付けられた第1の表面を形成する工程と、
付加製造プロセスを用いて、第1の表面から、第1の表面上の冷却孔(100)の排出端部の後縁部(31)に向かって延出する構造を構築する工程とを含む方法。
[実施態様14]
第1の表面に粉末を堆積させる工程と、
構造の層に対応するパターンで粉末を溶融する工程とをさらに含む、実施態様13に記載の方法。
[実施態様15]
堆積及び溶融の工程を周期的に繰り返して、層毎に構造を構築する工程をさらに含む、実施態様14に記載の方法。
[実施態様16]
堆積及び溶融の繰り返し周期が、溶融粉末及び未溶融粉末の両方を含む部品をもたらす方法であって、未溶融粉末を取り除く工程をさらに含む、実施態様15に記載の方法。
[実施態様17]
冷却孔(100)にプラグ(134)を形成し、プラグ(134)と少なくとも部分的に重なる層に粉末を堆積させる工程をさらに含む、実施態様14に記載の方法。
[実施態様18]
パターンが、プラグ(134)の少なくとも一部分の上に未溶融粉末を残すように、粉末を層状に溶融する工程をさらに含む、実施態様17に記載の方法。
[実施態様19]
粉末を堆積させる工程を繰り返し、未溶融粉末層が部品の外表面(156)の上に延出するまで用いる工程と、部品の外表面(156)が冷却孔(100)の上に滑らかに延出するように、余剰分を取り除いて材料(152)を溶融する工程とをさらに含む、実施態様18に記載の方法。
12 ダブテール
14 ブレードシャンク
16 プラットフォーム
18 翼形部
19 根元部
22 先端部
24 凹状正圧側壁
26 凸状負圧側壁
28 前縁部
31 後縁部
32 抽気スロット
34 先端キャップ
36 スキーラ先端部
38 負圧側先端壁
39 圧力側先端壁
54 内部表面
56 外表面
100 フィルム冷却孔
104 入口部
108 出口部
113 側部
109 タブ
111 リム
112 遷移領域
120 壁部
122 ボア
124 第1の端部
126 第2の端部
131 表面
132 凹部
133 面
134 プラグ
152 材料
154 内表面
156 外表面
200 フィルム孔
204 入口部
208 出口部
212 遷移部
Claims (10)
- 部品を通過する冷却孔(100)の排出端部にオーバーハング構造を形成するための方法であって、
付加製造プロセスを用いて面(133)に材料(152)を溶融して、冷却孔(100)の排出端部の縁部を構築して、オーバーハングタブ(109)を形成する工程を含む方法。 - 冷却孔(100)の排出端部に設置された凹部(132)に粉末を堆積させる工程と、
構造の層に対応するパターンで粉末を溶融する工程とをさらに含む、請求項1に記載の方法。 - 堆積及び溶融の工程を周期的に繰り返して、層毎にオーバーハング構造を構築する工程をさらに含む、請求項2に記載の方法。
- 堆積及び溶融の繰り返し周期が、溶融粉末及び未溶融粉末の両方を含む部品壁(120)をもたらす方法であって、未溶融粉末を取り除く工程をさらに含む、請求項3に記載の方法。
- 複数の別個の後続の層を面(133)に直接溶融する、請求項2に記載の方法。
- 隣接する後続の層を面(133)に直接溶融する工程をさらに含む、請求項5に記載の方法。
- 冷却孔(100)にプラグ(134)を形成し、プラグ(134)に粉末を堆積させる工程をさらに含む、請求項2に記載の方法。
- 未溶融粉末がプラグ(134)の少なくとも一部分の上に残るように、粉末を溶融する工程をさらに含む、請求項7に記載の方法。
- 各々の後続の層の未溶融粉末が、その前の層の未溶融粉末に重なるように、後続の層を溶融することによって、オーバーハングタブ(109)を形成する工程をさらに含む、請求項8に記載の方法。
- 排出端部の上流縁部を構築する工程をさらに含む、請求項1に記載の方法。
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Application Number | Priority Date | Filing Date | Title |
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US14/936,641 | 2015-11-09 | ||
US14/936,641 US10010937B2 (en) | 2015-11-09 | 2015-11-09 | Additive manufacturing method for making overhanging tabs in cooling holes |
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JP2017089631A true JP2017089631A (ja) | 2017-05-25 |
JP6266728B2 JP6266728B2 (ja) | 2018-01-24 |
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US (1) | US10010937B2 (ja) |
EP (1) | EP3184213B1 (ja) |
JP (1) | JP6266728B2 (ja) |
CN (1) | CN106944620B (ja) |
BR (1) | BR102016026071A2 (ja) |
CA (1) | CA2946590C (ja) |
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US10926329B2 (en) * | 2017-05-31 | 2021-02-23 | General Electric Company | Methods and apparatuses to grow compression chambers in powder based additive manufacturing to relieve powder loading on grown part |
US10612391B2 (en) | 2018-01-05 | 2020-04-07 | General Electric Company | Two portion cooling passage for airfoil |
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US20170129013A1 (en) | 2017-05-11 |
EP3184213B1 (en) | 2020-10-28 |
BR102016026071A2 (pt) | 2017-05-09 |
CN106944620B (zh) | 2019-11-26 |
CN106944620A (zh) | 2017-07-14 |
EP3184213A1 (en) | 2017-06-28 |
CA2946590A1 (en) | 2017-05-09 |
US10010937B2 (en) | 2018-07-03 |
CA2946590C (en) | 2021-08-17 |
JP6266728B2 (ja) | 2018-01-24 |
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