JP5693607B2 - 中空部品のためのインベストメント鋳造プロセス - Google Patents
中空部品のためのインベストメント鋳造プロセス Download PDFInfo
- Publication number
- JP5693607B2 JP5693607B2 JP2012543226A JP2012543226A JP5693607B2 JP 5693607 B2 JP5693607 B2 JP 5693607B2 JP 2012543226 A JP2012543226 A JP 2012543226A JP 2012543226 A JP2012543226 A JP 2012543226A JP 5693607 B2 JP5693607 B2 JP 5693607B2
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- JP
- Japan
- Prior art keywords
- ceramic core
- ceramic
- investment casting
- mold
- flexible mold
- 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.)
- Expired - Fee Related
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Classifications
-
- 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
- B22C9/101—Permanent cores
-
- 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
- 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
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/06—Core boxes
-
- 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
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Description
上記のように硬化された後に120℃で1時間にわたって硬化されたMOR=8000psi
10%焼成時クリストバライト含有量が目標とされてもよい。これは、鉱化剤の存在および焼成スケジュールによって変えられてもよい。10%初期クリストバライト含有量は、その部分の全体にわたって結晶シード構造を形成して、溶融金属をセラミックモールドへ注ぐ前にコアが加熱されるときにシリカの残りの大部分がクリストバライトへとタイムリーに変換するようにするために使用されてもよい。また、10%初期クリストバライト含有量は、シリカが再び加熱するときにそれ自体へと焼結し続けないようにする。
Claims (11)
- 中空金属部品がセラミックコアを含むセラミック鋳造容器内で成形されるインベストメント鋳造プロセスであって、改良点は、
前記セラミックコアの比較的低い精度の領域(機械加工プロセスにより形成される領域をいう。以下同じ。)を規定するために機械加工プロセスを使用してマスターツールを形成するステップと、
前記セラミックコアの比較的高い精度の領域(機械加工プロセスでは形成できない領域をいう。以下同じ。)を規定するために精密成形挿入体を前記マスターツールに組み込むステップと、
前記マスターツール内で柔軟なモールドを成型するステップと、
前記セラミックコアを形成するために柔軟な前記モールド内へセラミックコア材料を流し込むステップと、
前記セラミックコアが素地体状態にある間に柔軟な前記モールドを前記セラミックコアから除去するステップと、
能動デバイスを柔軟な前記モールドに組み込んで、セラミックコア材料を流し込む前記ステップ中に前記能動デバイスを動作させるステップと、
を備えるプロセスによって前記セラミックコアを形成することを含むインベストメント鋳造プロセス。 - 中空金属部品がセラミックコアを含むセラミック鋳造容器内で成形されるインベストメント鋳造プロセスであって、改良点は、
前記セラミックコアの比較的低い精度の領域を規定するために機械加工プロセスを使用してマスターツールを形成するステップと、
前記セラミックコアの比較的高い精度の領域を規定するために精密成形挿入体を前記マスターツールに組み込むステップと、
前記マスターツール内で柔軟なモールドを成型するステップと、
前記セラミックコアを形成するために柔軟な前記モールド内へセラミックコア材料を流し込むステップと、
前記セラミックコアが素地体状態にある間に柔軟な前記モールドを前記セラミックコアから除去するステップと、
除去する前記ステップの後にセラミックコア材料の軟化温度を上回るまで素地体状態コアを加熱するステップと、
素地体状態にあるセラミックコアをそれが軟化温度を上回る温度で再形成するステップと、を備え、
再形成する前記ステップは、セラミックコア材料を流し込む前記ステップにおいて前記セラミックコアに形成されたアライメント形態部と、協働するアライメント形状を有するセッティング金型により実行される、
プロセスによって前記セラミックコアを形成することを含むインベストメント鋳造プロセス。 - セラミックコア材料を流し込む前記ステップは、スラリー状のエポキシ結合組成体を備えるセラミックコア材料を低圧射出プロセスで柔軟な前記モールド内へ射出することを更に含む請求項1または2のインベストメント鋳造プロセス。
- セラミックコア材料を流し込む前記ステップは、セラミック成形材料の低圧射出中に柔軟な前記モールドを振動させて、柔軟な前記モールド内でのスラリーの分配を助けることを更に含む請求項1または2のインベストメント鋳造プロセス。
- 前記セラミックコアの2つのそれぞれの部分を規定するために、2つのマスターツールを形成して、2つの柔軟なモールドを成型するステップと、を更に備え、
前記セラミックコアの2つの領域のうち前記比較的高い精度の領域は、前記2つの部分を互いに接合して前記セラミックコアを形成するために、対応する形状と接合する請求項1または2のインベストメント鋳造プロセス。 - 複雑な表面形状を前記精密成形挿入体に形成するステップと、
前記表面形状を柔軟な前記モールドを介して前記セラミックコアに複製するステップと、
を更に備える請求項1または2のインベストメント鋳造プロセス。 - 前記セラミックコアが複数の引き面内に幾何学的細部(セラミックコアの除去中に柔軟なモールド曲げを必要とする箇所をいう。)を含み、前記セラミックコアの幾何学的細部をそれぞれの前記引き面内に保持するために素地体状態セラミックコアに破損を引き起こすことなく柔軟な前記モールドを変形させることにより柔軟な前記モールドから前記セラミックコアを除去するステップを更に備える請求項1または2のインベストメント鋳造プロセス。
- 前記マスターツール内への硬化可能成形材料の低圧射出によって柔軟な前記モールドを成型するステップを更に備える請求項1または2のインベストメント鋳造プロセス。
- 少なくとも20:1の全外殻寸法アスペクト比を有するように前記セラミックコアを規定するべく前記マスターツールを形成するステップを更に備える請求項1または2のインベストメント鋳造プロセス。
- 少なくとも762mmの全長を有するように前記セラミックコアを規定するべく前記マスターツールを形成するステップを更に備える請求項1または2のインベストメント鋳造プロセス。
- 複数の同一の柔軟なモールドを前記マスターツールで成型するステップと、
複数の同一のセラミックコアを形成するためにセラミックコア材料を同一の柔軟な前記モールドのそれぞれへ個別のプロセスで流し込むステップと、
を更に備え、
複数の柔軟な前記モールドの数が所定の生産速度を達成するように選択される請求項1または2のインベストメント鋳造プロセス。
Applications Claiming Priority (7)
Application Number | Priority Date | Filing Date | Title |
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US26751909P | 2009-12-08 | 2009-12-08 | |
US61/267,519 | 2009-12-08 | ||
US12/961,720 | 2010-12-07 | ||
US12/961,720 US9272324B2 (en) | 2009-12-08 | 2010-12-07 | Investment casting process for hollow components |
US12/961,740 | 2010-12-07 | ||
US12/961,740 US20110132564A1 (en) | 2009-12-08 | 2010-12-07 | Investment casting utilizing flexible wax pattern tool |
PCT/US2010/059380 WO2011071975A2 (en) | 2009-12-08 | 2010-12-08 | Investment casting process for hollow components |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013512783A JP2013512783A (ja) | 2013-04-18 |
JP5693607B2 true JP5693607B2 (ja) | 2015-04-01 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012543226A Expired - Fee Related JP5693607B2 (ja) | 2009-12-08 | 2010-12-08 | 中空部品のためのインベストメント鋳造プロセス |
Country Status (6)
Country | Link |
---|---|
US (3) | US20110132564A1 (ja) |
EP (2) | EP2509728B1 (ja) |
JP (1) | JP5693607B2 (ja) |
KR (1) | KR101440872B1 (ja) |
CN (1) | CN102753284B (ja) |
WO (2) | WO2011071975A2 (ja) |
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2010
- 2010-12-07 US US12/961,740 patent/US20110132564A1/en not_active Abandoned
- 2010-12-07 US US12/961,720 patent/US9272324B2/en active Active
- 2010-12-08 KR KR1020127017689A patent/KR101440872B1/ko active IP Right Grant
- 2010-12-08 JP JP2012543226A patent/JP5693607B2/ja not_active Expired - Fee Related
- 2010-12-08 EP EP10796523.8A patent/EP2509728B1/en active Active
- 2010-12-08 CN CN201080055307.1A patent/CN102753284B/zh active Active
- 2010-12-08 WO PCT/US2010/059380 patent/WO2011071975A2/en active Application Filing
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2011
- 2011-02-08 EP EP11710560.1A patent/EP2509726B1/en active Active
- 2011-02-08 WO PCT/IB2011/000225 patent/WO2011070557A2/en active Application Filing
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2016
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US20160167115A1 (en) | 2016-06-16 |
KR20120106790A (ko) | 2012-09-26 |
US20110132563A1 (en) | 2011-06-09 |
EP2509728B1 (en) | 2019-11-06 |
US20110132564A1 (en) | 2011-06-09 |
WO2011070557A2 (en) | 2011-06-16 |
EP2509726B1 (en) | 2019-11-06 |
WO2011070557A8 (en) | 2012-01-12 |
KR101440872B1 (ko) | 2014-09-17 |
WO2011070557A3 (en) | 2011-11-24 |
EP2509726A2 (en) | 2012-10-17 |
WO2011071975A2 (en) | 2011-06-16 |
CN102753284B (zh) | 2014-09-03 |
JP2013512783A (ja) | 2013-04-18 |
EP2509728A2 (en) | 2012-10-17 |
US9272324B2 (en) | 2016-03-01 |
CN102753284A (zh) | 2012-10-24 |
WO2011071975A3 (en) | 2011-10-06 |
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