JP2011247248A - 山形フィルム冷却穴を有する物品と関連の加工処理 - Google Patents
山形フィルム冷却穴を有する物品と関連の加工処理 Download PDFInfo
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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
-
- 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
- F05D2230/00—Manufacture
- F05D2230/10—Manufacture by removing material
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T50/00—Aeronautics or air transport
- Y02T50/60—Efficient propulsion technologies, e.g. for aircraft
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49316—Impeller making
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
- Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
- Laser Beam Processing (AREA)
Abstract
【解決手段】この物品は、少なくとも1つの列状又はその他のパターンの通路穴28を更に有する。各通路穴は、基板20を貫通して内面の入口から外面26に近接する通路穴出口部まで延在する入口ボア34を有し、この入口ボアは、穴出口部に隣接する山形出口32で終端する。山形出口は、共通表面領域を自身間に有する1対のウィング状溝を有する。共通表面領域は、穴出口部に隣接する谷状部と、この谷状部に隣接する台地状部を含む。この物品はエアフォイルであってもよい。
【選択図】図1
Description
a)第1の流体に曝される、入口を有する少なくとも1つの内面と、
b)内面から離間した、より高温の第2の流体に曝される外面と、
c)少なくとも1つの列状又はその他のパターンの通路穴であって、各通路穴が内面から外面に近接する通路穴出口部まで基板を部分的に貫通して延在する入口ボアを有し、入口ボアは本明細書に記載のように山形出口となって終端する通路穴と、を有する。
22 高温燃焼ガス
24 内壁面
26 外壁面
28 通路穴
30 通路穴入口
32 山形出口
33 冷却空気
34 入口ボア
36 軸
38 ボア出口
39 溝開始位置
40 山形出口
42 ウィング状溝
44 ウィング状溝
46 共通表面領域
48 谷状部/底部
50 台地状部
52 台地状部の終端位置
54 入口ボア34の下面
56 台地状部の上面
58 台地状部の前面
60 台地状部
62 谷状部
64 三角形頂点
66 溝
68 溝
70 軸
72 穴入口
80 通路穴
82 外面
84 台地状部
86 溝
88 溝
90 上面
93 後面
94 入口ボア
96 谷状領域
98 表面縁部
100 表面縁部
102 上面
108 通路穴
110 入口ボア
112 軸
114 台地状部
116 隆起領域
118 入口穴
120 谷状部
122 上面
123 通路穴
124 基板の外面
125 基板
126 保護コーティングシステム
128 台地状部
150 ウォータージェット切削機
152 噴射オリフィス
154 分配ヘッド
156 混合室
158 送出しノズル
160 直線状噴流
162 アーム
164 支柱
166 基板
168 金属コーティング
170 サーマルバリアコーティング
172 研削材
174 調量装置
176 管
178 水
190 円穴形状
192 表面
194 基板
196 溝
198 溝
200 水平経路
210 通路穴
211 入口ボア
212 台地状部
214 頂点
216 影付きの機構
220 EDM装置
222 ヘッドアセンブリ
224 電磁石
226 スライドアセンブリ
228 アダプタプレート
230 手動スライド
232 第2の手動スライド
234 小型傾斜回転装置
236 曲線矢印
238 矢印
240 ホルダ
242 ワイヤ電極
250 レーザーベースのシステム
252 レーザー源
254 パルスレーザービーム
256 レーザービーム伝送システム
258 レーザービーム
260 サンプル表面
262 サンプル
264 監視サブシステム
266 制御サブシステム/プロセッサ
Claims (10)
- 基板(20)の形態の物品であって、
a)入口(30)を有する内面(24)と、
b)前記内面(24)から離間した外面(26)と、
c)少なくとも1つの列状又はその他のパターン状の通路穴(28)であって、各通路穴が前記内面(24)の前記入口(30)から前記基板(20)を貫通して前記外面(26)に近接する通路穴出口部(38)まで延在する入口ボア(34)を有し、前記入口ボア(34)は、前記穴出口部(38)に隣接する山形出口(32)で終端し、前記山形出口(32)は、共通表面領域(46)を自身間に有する1対のウィング状溝(42、44)を有する通路穴(28)と、を有し、
前記共通表面領域(46)は、前記穴出口部(38)に隣接する谷状部(48)と前記谷状部(48)に隣接する台地状部(50)とを含む、物品。 - 各通路穴(28)は、前記内面及び前記外面(24、26)間で傾斜しており、
前記ウィング状溝(42、44)は、前記通路穴と前記外面との間で長手方向に、前記共通表面領域(46)に沿って横方向に分岐しており、
前記台地状部(50)の形状及び寸法とその周囲の共通表面領域(46)とによって、前記外面(26)からの前記冷却空気の流れの剥離を最小限に抑えながら、前記通路穴(28)を通って前記内面から前記外面へと送られる冷却空気の拡散が最大化される、請求項1に記載の物品。 - 前記入口ボア(34)は、前記外面(26)よりも下方で終端し、前記溝(42、44)は、前記共通表面領域(46)に沿って前記内面(24)から離れる方向に深さを減少して前記外面と融合する、請求項2に記載の物品。
- 前記台地状部(50)は、ほぼ三角形又は台形の形状である、請求項1に記載の物品。
- 前記台地状部(60)は、ほぼ三角形の形状であり、前記三角形の台地状部の頂点は、前記2つの溝(66、68)の間のほぼ中間部分且つ前記共通表面領域(62)の一部分よりも上方に位置し、前記頂点は、ほぼ前記穴出口部の方向を示す、請求項1に記載の物品。
- 少なくとも1つのコーティング(126)が前記外面(124)上に施されており、各通路穴(123)の少なくとも一部分が前記コーティングを貫通して形成されている、請求項1に記載の物品。
- 前記コーティングは、金属コーティング上にセラミックTBCを含むコーティングシステムであり、前記通路穴(123)は、前記コーティングシステムを貫通して形成されている、請求項6に記載の物品。
- 前記基板(20)は、ガスタービンエンジン壁部である、請求項1に記載の物品。
- 各通路穴(28)は、ウォータージェット切削加工処理、放電加工(EDM)処理、レーザー穿孔加工処理、及びこれらを組み合わせたものから成る群から選択される技術によって形成される、請求項1に記載の物品。
- 内面(24)と前記内面から離間した外面(26)とを有すると共に前記2つの面間に少なくとも部分的に延在する入口ボア(34)を更に有する基板(20)に、列状又はその他のパターンの通路穴(28)を形成する方法であって、
前記入口ボアは、前記外面(26)に近接する穴出口部(38)に隣接する山形出口(32)で終端し、前記山形出口は、共通表面領域(46)を自身間に有する1対のウィング状溝(42、44)を有し、前記共通表面領域は、前記穴出口部(38)に隣接する谷状部(48)と前記谷状部に隣接する台地状部(50)とを含み、
コンピュータ制御された単一の又は反復的なプランジング動作、スイーピング動作、又はプランジングとスイーピングの複合動作で、接触装置又は接触媒体を前記基板(20)の所定の領域に誘導することによって、各入口ボア(34)と山形出口(32)を形成するステップを含む、方法。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US12/790,675 | 2010-05-28 | ||
US12/790,675 US8905713B2 (en) | 2010-05-28 | 2010-05-28 | Articles which include chevron film cooling holes, and related processes |
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JP2011247248A true JP2011247248A (ja) | 2011-12-08 |
JP5738635B2 JP5738635B2 (ja) | 2015-06-24 |
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JP2011062490A Active JP5738635B2 (ja) | 2010-05-28 | 2011-03-22 | 山形フィルム冷却穴を有する物品と関連の加工処理 |
Country Status (4)
Country | Link |
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US (1) | US8905713B2 (ja) |
EP (1) | EP2390465B1 (ja) |
JP (1) | JP5738635B2 (ja) |
CN (1) | CN102261281B (ja) |
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JP2013167205A (ja) * | 2012-02-15 | 2013-08-29 | Hitachi Ltd | ガスタービン翼、その放電加工用工具及び加工方法 |
JP5530001B1 (ja) * | 2013-05-22 | 2014-06-25 | 川崎重工業株式会社 | ダブルジェット式フイルム冷却構造とその製造方法 |
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EP2390465A2 (en) | 2011-11-30 |
EP2390465B1 (en) | 2022-02-23 |
US20110293423A1 (en) | 2011-12-01 |
JP5738635B2 (ja) | 2015-06-24 |
CN102261281B (zh) | 2016-03-09 |
EP2390465A3 (en) | 2017-12-20 |
CN102261281A (zh) | 2011-11-30 |
US8905713B2 (en) | 2014-12-09 |
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