JP6997515B2 - 内部通路が内側に画定されたコンポーネントを形成するための方法 - Google Patents
内部通路が内側に画定されたコンポーネントを形成するための方法 Download PDFInfo
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- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
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- 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
- B22C9/106—Vented or reinforced 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
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- 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
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- 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
- B22C9/108—Installation of cores
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- 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
- B22C9/24—Moulds for peculiarly-shaped castings for hollow articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/0072—Casting in, on, or around objects which form part of the product for making objects with integrated channels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D19/00—Casting in, on, or around objects which form part of the product
- B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B33—ADDITIVE MANUFACTURING TECHNOLOGY
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- 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
- F01D5/187—Convection cooling
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
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- F05D2230/20—Manufacture essentially without removing material
- F05D2230/21—Manufacture essentially without removing material by casting
- F05D2230/211—Manufacture essentially without removing material by casting by precision casting, e.g. microfusing or investment casting
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- 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
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- 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
- F05D2260/2214—Improvement of heat transfer by increasing the heat transfer surface
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Description
12 吸気セクション
14 圧縮機セクション
16 燃焼器セクション
18 タービンセクション
20 排気セクション
22 ローターシャフト
24 燃焼器
36 ケーシング
40 圧縮機ブレード
42 圧縮機ステーターベーン
70 ローターブレード
72 タービンステーターベーン
74 正圧側面
76 負圧側面
78 コンポーネント材料
80 コンポーネント
82 内部通路
84 前縁部
86 後縁部
88 ルート部側端部
89 軸線
90 先端部側端部
92 実質的に一定の距離
94 実質的に一定の距離
96 ブレード長さ
98 内部通路フィーチャー
100 内部壁部
102 リッジ高さ
104 リッジ幅
110 細長い縁部
300 モールド
301 モールドアッセンブリ
302 内部壁部
304 モールドキャビティー
306 モールド材料
310 ジャケット付きコア
312 先端部部分
314 先端部部分
315 部分
316 ルート部部分
318 ルート部部分
319 直線状のチューブ
320 中空構造体
322 第1の材料
324 内側コア
326 内側コア材料
328 壁部厚さ
330 特徴的幅
331 相補的なフィーチャー
332 外部表面
333 ディンプル跡
334 凹んだフィーチャー
335 鋭い縁のビーズ構造体
336 深さ
337 滑らかな縁のビーズ構造体
338 幅
339 らせん状の溝部構造体
340 窪み
341 突出部
342 深さ
346 細長い側部
343 膨らんだフィーチャー
344 膨らんだ領域
352 細長い切り欠き
360 内部部分
362 第1の端部
364 第2の端部
366 層
368 層
370 層
371 ルーバー構造体
372 コンボリューション面
374 ピーク
376 谷部
378 ルーバー
380 外側壁部
1300 方法
1302 位置決めする
1304 導入する
1306 事前形成する
1308 クリンプする
1310 使用する
1312 曲げる
1314 形成する
1316 形成する
1318 使用する
1320 位置決めする
1322 位置決めする
1324 位置決めする
1326 位置決めする
1328 位置決めする
1330 位置決めする
1332 位置決めする
Claims (12)
- 内部通路(82)が内側に画定されたコンポーネント(80)を形成する方法であって、
モールド(300)に対してジャケット付きコア(310)を位置決めするステップであって、前記ジャケット付きコア(310)が、
中空構造体(320)であって、前記中空構造体(320)が、前記中空構造体(320)の内部部分(360)から実質的に前記中空構造体(320)の外周全体に延びる第1の材料から形成され、前記内部部分(360)は、前記内部通路(82)の少なくとも1つの内部通路フィーチャー(98)を画定するように形状決めされており、前記第1の材料が金属である、前記中空構造体(320)、および
前記中空構造体(320)の中に配設されている内側コア(324)であって、前記中空構造体(320)の前記内部部分(360)によって相補的に形状決めされている、内側コア(324)
を含む、ステップと、
前記ジャケット付きコア(310)の一部分(315)が浸たされ、溶融状態のコンポーネント材料(78)が、前記ジャケット付きコア(310)の浸たされた一部分(315)の実質的に全外周に沿って前記第1の材料と接触して、前記コンポーネント(80)を形成し、前記内側コア(324)が、内側に画定された前記少なくとも1つの内部通路フィーチャー(98)を含む前記内部通路(82)を画定するように、溶融状態のコンポーネント材料(78)を前記モールド(300)のキャビティー(304)の中へ導入するステップと、
前記キャビティー(304)内のコンポーネント材料(78)を冷却して前記コンポーネント(80)を形成するステップと、
前記コンポーネント(80)から前記内側コア(324)を除去して前記内部通路(82)を形成するステップと、
内側コア材料(326)を前記中空構造体(320)の中に配設する前に、前記中空構造体(320)の前記内部部分(360)が前記少なくとも1つの内部通路フィーチャー(98)の選択された形状を画定するように形状決めされるように、前記内部部分(360)を事前形成するステップとを含む、方法。 - 前記中空構造体(320)の前記内部部分(360)を事前形成する前記ステップは、プレス曲げプロセスにより複数の窪み(340)を画定するように、複数の場所において前記中空構造体(320)を形成するステップを含み、前記窪み(340)は、前記コンポーネント(80)が形成されるときに、前記少なくとも1つの内部通路フィーチャー(98)を画定するように形状決めされている、請求項1に記載の方法。
- 前記中空構造体(320)の前記内部部分(360)を事前形成する前記ステップは、チューブプレスを使用するステップを含み、
前記チューブプレスを使用する前記ステップは、
前記内部通路(82)の事前選択された非線形的な形状に適合するように、前記中空構造体(320)を曲げるステップ、
または、
前記内部通路(82)の少なくとも一部分の選択された非円形の断面周囲に対応する、前記中空構造体(320)の少なくとも一部分の非円形の断面周囲を形成するステップを含む、請求項1または2に記載の方法。 - 前記中空構造体(320)の外側の部分は、溶融状態の前記コンポーネント材料(78)によって吸収され、
前記中空構造体(320)の内側の部分は、前記コンポーネント材料(78)が冷却された後に、元の状態のままとなる、請求項1乃至3のいずれかに記載の方法。 - 前記中空構造体(320)の前記外側の部分と前記内側の部分において、前記第1の材料の濃度が異なる、請求項4に記載の方法。
- 前記中空構造体(320)の前記内部部分(360)を事前形成する前記ステップは、アディティブマニュファクチャリングプロセスを使用して前記中空構造体(320)を形成するステップを含み、
前記中空構造体(320)を形成する前記ステップは、直接金属レーザー溶融(DMLM)プロセス、直接金属レーザー焼結(DMLS)プロセス、および選択的レーザー焼結(SLS)プロセスのうちの少なくとも1つを使用するステップを含む、請求項1乃至5のいずれかに記載の方法。 - 前記ジャケット付きコア(310)を位置決めする前記ステップは、前記ジャケット付きコア(310)の第1の端部(312、362)を前記コンポーネント(80)の先端部側端部(90)を越えて位置付け、前記ジャケット付きコア(310)の第2の端部(314、364)を前記コンポーネント(80)のルート部側端部(88)を越えて位置付けるステップを含む、請求項1乃至6のいずれかに記載の方法。
- 前記ジャケット付きコア(310)を位置決めする前記ステップは、前記中空構造体(320)の上に画定された複数の窪み(340)を含む前記ジャケット付きコア(310)を位置決めするステップを含み、前記窪み(340)は、複数のリッジ及び/または、複数のディンプルとして前記少なくとも1つの内部通路フィーチャー(98)を画定するように形状決めされている、請求項1乃至7のいずれかに記載の方法。
- 内部通路(82)が内側に画定されたコンポーネント(80)を形成する方法であって、
モールド(300)に対してジャケット付きコア(310)を位置決めするステップであって、前記ジャケット付きコア(310)が、
中空構造体(320)であって、前記中空構造体(320)が、前記中空構造体(320)の内部部分(360)から実質的に前記中空構造体(320)の外周全体に延びる第1の材料から形成され、前記内部部分(360)は、前記内部通路(82)の少なくとも1つの内部通路フィーチャー(98)を画定するように形状決めされており、前記第1の材料が金属である、前記中空構造体(320)、および
前記中空構造体(320)の中に配設されている内側コア(324)であって、前記中空構造体(320)の前記内部部分(360)によって相補的に形状決めされている、内側コア(324)
を含む、ステップと、
前記ジャケット付きコア(310)の一部分(315)が浸たされ、溶融状態のコンポーネント材料(78)が、前記ジャケット付きコア(310)の浸たされた一部分(315)の実質的に全外周に沿って前記第1の材料と接触して、前記コンポーネント(80)を形成し、前記内側コア(324)が、内側に画定された前記少なくとも1つの内部通路フィーチャー(98)を含む前記内部通路(82)を画定するように、溶融状態のコンポーネント材料(78)を前記モールド(300)のキャビティー(304)の中へ導入するステップと、
前記キャビティー(304)内のコンポーネント材料(78)を冷却して前記コンポーネント(80)を形成するステップと、
前記コンポーネント(80)から前記内側コア(324)を除去して前記内部通路(82)を形成するステップとを含み、
前記中空構造体(320)は、0.254cmよりも大きい壁部厚さ(328)を有している、方法。 - 内部通路(82)が内側に画定されたコンポーネント(80)を形成する方法であって、
モールド(300)に対してジャケット付きコア(310)を位置決めするステップであって、前記ジャケット付きコア(310)が、
中空構造体(320)であって、前記中空構造体(320)が、前記中空構造体(320)の内部部分(360)から実質的に前記中空構造体(320)の外周全体に延びる第1の材料から形成され、前記内部部分(360)は、前記内部通路(82)の少なくとも1つの内部通路フィーチャー(98)を画定するように形状決めされており、前記第1の材料が金属である、前記中空構造体(320)、および
前記中空構造体(320)の中に配設されている内側コア(324)であって、前記中空構造体(320)の前記内部部分(360)によって相補的に形状決めされている、内側コア(324)
を含む、ステップと、
前記ジャケット付きコア(310)の一部分(315)が浸たされ、溶融状態のコンポーネント材料(78)が、前記ジャケット付きコア(310)の浸たされた一部分(315)の実質的に全外周に沿って前記第1の材料と接触して、前記コンポーネント(80)を形成し、前記内側コア(324)が、内側に画定された前記少なくとも1つの内部通路フィーチャー(98)を含む前記内部通路(82)を画定するように、溶融状態のコンポーネント材料(78)を前記モールド(300)のキャビティー(304)の中へ導入するステップと、
前記キャビティー(304)内のコンポーネント材料(78)を冷却して前記コンポーネント(80)を形成するステップと、
前記コンポーネント(80)から前記内側コア(324)を除去して前記内部通路(82)を形成するステップと、
内側コア材料(326)を前記中空構造体(320)の中に配設する前に、前記中空構造体(320)の第1乃至第3の層(366、368、370)を形成するステップとを含み、
前記第1乃至第3の層(366、368、370)を形成するステップは、前記ジャケット付きコア(310)の第1の端部(362)から第2の端部(364)へ、前記第1の材料の連続的な層を堆積させるステップを含む、方法。 - 前記ジャケット付きコア(310)を位置決めする前記ステップは、少なくとも1つのルーバー、鋭い縁のビーズ、滑らかな縁のビーズ、およびらせん状の溝部のうちの少なくとも1つとして、前記少なくとも1つの内部通路フィーチャー(98)を画定するように形状決めされている前記中空構造体(320)の前記内部部分(360)を含む前記ジャケット付きコア(310)を位置決めするステップを含み、
前記ジャケット付きコア(310)を位置決めする前記ステップは、複数の斜めに配設された面(372)を画定する前記内部部分(360)を含む前記ジャケット付きコア(310)を位置決めするステップを含み、それぞれの斜めに配設された面(372)は、複数のルーバー(378)を含み、
前記ジャケット付きコア(310)を位置決めする前記ステップは、前記ルーバー構造体(371)の複数のピーク(374)のうちの1つから複数の谷部(376)のうちの1つへ延在する前記斜めに配設された面(372)のそれぞれを画定する前記内部部分(360)を含む前記ジャケット付きコア(310)を位置決めするステップを含み、前記ピーク(374)および前記谷部(376)は、前記中空構造体(320)の対向するそれぞれの側に画定されており、それにより、前記ピーク(374)および前記谷部(376)のそれぞれが、前記中空構造体(320)の前記外周の近位に存在する、請求項1に記載の方法。 - 前記ジャケット付きコア(310)を位置決めする前記ステップは、前記内側コア(324)の少なくとも1つの相補的なフィーチャー(331)を画定するように形状決めされている前記中空構造体(320)の前記内部部分(360)を含む前記ジャケット付きコア(310)を位置決めするステップを含み、前記内側コア(324)の前記少なくとも1つの相補的なフィーチャー(331)は、前記溶融状態の前記コンポーネント材料(78)に連結し、前記少なくとも1つの内部通路フィーチャー(98)を形状決めする、請求項1乃至11いずれかに記載の方法。
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