JP2012523496A - 排ガスターボチャージャーのためのタービンホイールを製造するための方法 - Google Patents
排ガスターボチャージャーのためのタービンホイールを製造するための方法 Download PDFInfo
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Classifications
-
- 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
- B22F5/009—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of turbine components other than 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/10—Sintering only
-
- 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
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/10—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material
- B22F1/103—Metallic powder containing lubricating or binding agents; Metallic powder containing organic material containing an organic binding agent comprising a mixture of, or obtained by reaction of, two or more components other than a solvent or a lubricating agent
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
-
- 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
- B22F3/00—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces
- B22F3/22—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip
- B22F3/225—Manufacture of workpieces or articles from metallic powder characterised by the manner of compacting or sintering; Apparatus specially adapted therefor ; Presses and furnaces for producing castings from a slip by injection molding
-
- 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
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
-
- 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
- F01D5/02—Blade-carrying members, e.g. rotors
- F01D5/04—Blade-carrying members, e.g. rotors for radial-flow machines or engines
- F01D5/043—Blade-carrying members, e.g. rotors for radial-flow machines or engines of the axial inlet- radial outlet, or vice versa, type
- F01D5/048—Form or construction
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C6/00—Plural gas-turbine plants; Combinations of gas-turbine plants with other apparatus; Adaptations of gas-turbine plants for special use
- F02C6/04—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output
- F02C6/10—Gas-turbine plants providing heated or pressurised working fluid for other apparatus, e.g. without mechanical power output supplying working fluid to a user, e.g. a chemical process, which returns working fluid to a turbine of the plant
- F02C6/12—Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
-
- 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
- F05D2230/20—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
-
- 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
- F05D2230/20—Manufacture essentially without removing material
- F05D2230/23—Manufacture essentially without removing material by permanently joining parts together
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Powder Metallurgy (AREA)
- Supercharger (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
【選択図】 図1
Description
a)金属粉末とバインダーを含む原材料を用意する工程、
b)タービンホイールを金属粉末射出成形するために、製造するタービンホイールのネガティブ型を含む工具を用意する工程、
c)バインダーを含む回転対称コアを、工程(b)で用意された工具のネガティブ型に導入し、及び前記コアを、製造するタービンホイールの回転軸に対して、対称的に配置する工程、
d)工程(a)で用意された原材料を前記コアの周囲に金属粉末射出成形することによって、素地を製造する工程、
e)タービンホイールの形状の成形物を得るために、バインダー除去工程を行って前記素地からバインダーを除去し、及びこれと同時にコアを除去する工程、及び
f)成形物をシンタリング(焼結)する工程、
を含む方法によって達成される。
(A)40〜90体積%のシンタリング可能な粉末金属、又粉末金属合金、又はこれらの混合物、
(B)10〜60体積%の、以下の混合物
(B1)B)に対して、80〜98質量%、特に85〜98質量%のポリオキシメチレンホモポリマー、又はコポリマー、及び
(B2)2〜20質量%、特に2〜15質量%のポリオレフィン、又はポリオレフィンの混合物、
を含む。
R1〜R4が、それぞれ互いに独立して、水素原子、C1〜C4−アルキル基、又は1〜4個の炭素原子を有するハロゲン−置換されたアルキル基であり、及びR5が、CH2−、−CH2−O−、C1〜C4−アルキル、又はC1〜C4−ハロアルキルで置換されたメチレン基、又は対応するオキシメチレン基であり、及びnは0〜3の範囲である。)
を含む。これらの基は、環状エーテルの開環によってコポリマーに導入できることが有利である。好ましい環状エーテルは、式(II)
R1〜R4及びnは上記に定義したものである)
のものである。単に例示として、エチレンオキシド、1,2−プロピレンオキシド、1,2−ブチレンオキシド、1,3−ブチレンオキシド、1,3−ジオキサン、1,3−ジオキソラン、及びジオキセパンを環状エーテルとして、及び直鎖状のオリゴフォーマル、又はポリフォーマル、例えばポリジオキセパンをコポリマーとして記載しても良い。
Zは、化学的結合、−O−又は−ORO−(R=C1〜C8−アルキレン、又はC3〜C8−シクロアルキレンである)
の反応によって製造されるものである。この種の好ましいモノマーは、エチレンジグリシド、ジグリシジルエーテル、及びグリシジル及びホルムアルデヒド、ジオキサン又はトリオキサンの2:1のモル割合からのジエーテル、及び2モルのグリシジル化合物、及び1モルの2〜8個の炭素原子を有する脂肪族ジオールから誘導されるジエーテル、例えばエチレングリコールのジグリシジルエーテル、1,4−ブタンジオール、1,3−ブタンジオール、シクロブタン−1,3−ジオール、1,2−プロパンジオール、及びシクロヘキサン−1,4−ジオールであるが、これらは例示に過ぎない。
図1は、内燃エンジンのための排ガスターボチャージャーのためのタービンホイール1の断面図である。
原材料として、耐熱性ニッケル超合金(DIN24632)のシンタリング(焼結)された成形物を製造するための射出成形可能なペレット化材料を使用した(これは、BASF SEによって、商標名Catamold(登録商標)N90で市販されている)。
600℃−5K/min−1325℃、3時間保持、
炉冷。
Claims (9)
- 金属粉末射出成形によって排ガスターボチャージャーのためのタービンホイール(1)を製造するための方法であって、以下の工程:
a)金属粉末とバインダーを含む原材料を用意する工程、
b)タービンホイール(1)を金属粉末射出成形するために、製造するタービンホイール(1)のネガティブ型を含む工具を用意する工程、
c)バインダーを含む回転対称コアを、工程(b)で用意された工具のネガティブ型に導入し、及び前記コアを、製造するタービンホイール(1)の回転軸に対して、対称的に配置する工程、
d)工程(a)で用意された原材料を前記コアの周囲に金属粉末射出成形することによって、素地を製造する工程、
e)タービンホイール(1)の形状の成形物を得るために、バインダー除去工程を行ってバインダーを除去し、及びこれと同時にコアを除去する工程、及び
f)成形物をシンタリングする工程、
を含む方法。 - 工程(a)で用意される原材料中に含まれるバインダーを含むコアが、工程(c)で導入されることを特徴とする方法。
- (A)40〜90体積%のシンタリング可能な粉末金属、又は粉末金属合金、又はこれらの混合物、
(B)10〜60体積%の、バインダーとしての以下の混合物
(B1)80〜98質量%のポリエチレンホモポリマー、又はコポリマー、及び
(B2)2〜20質量%のポリオレフィン、又はポリオレフィンの混合物、及び
(C)0〜5質量%の分散剤、
を含む原材料が工程(a)で提供されることを特徴とする請求項1又は2の何れかに記載の方法。 - 金属粉末としてニッケル−ベースの合金、又はチタニウムベースの合金を含む原材料が、工程(a)で提供されることを特徴とする請求項1〜3の何れか1項に記載の方法。
- 工程(f)で、成形物が、少なくとも1個の保持装置に備え付けられることを特徴とする請求項1〜4の何れか1項に記載の方法。
- タービンホイールの体積の5〜60%の体積を有するコアが、工程(c)で導入されることを特徴とする請求項1〜5の何れか1項に記載の方法。
- 工程(e)が20〜180℃の範囲の温度で行われることを特徴とする請求項1〜6の何れか1項に記載の方法。
- 工程(f)が、250〜1500℃の範囲の温度で行われることを特徴とする請求項1〜7の何れか1項に記載の方法。
- 空洞の空間構造を有する、排ガスターボチャージャーのためのタービンホイールであって、前記空洞の空間構造は、タービンホイールの回転軸に対して対称であり、及びタービンホイールの体積に対して5〜60体積%の体積を有することを特徴とするタービンホイール。
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PCT/EP2010/054400 WO2010115837A1 (de) | 2009-04-09 | 2010-04-01 | Verfahren zur herstellung eines turbinenrads für einen abgasturbolader |
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JP2020204294A (ja) * | 2019-06-18 | 2020-12-24 | 株式会社小松製作所 | タービンホイール |
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CN103240418B (zh) * | 2013-05-23 | 2014-12-24 | 北京科技大学 | 一种具有中空内部结构增压涡轮的近终成形方法 |
CN103603693A (zh) * | 2013-12-05 | 2014-02-26 | 罗亚军 | 空心轴新动力发动机 |
DE102014213343A1 (de) * | 2014-07-09 | 2016-01-14 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Turbinenrad eines Abgasturboladers und zugehöriges Herstellungsverfahren |
JP2016159616A (ja) * | 2015-03-05 | 2016-09-05 | 富士ゼロックス株式会社 | 造形装置 |
CN106623903A (zh) * | 2016-12-29 | 2017-05-10 | 柳州市凯夕贸易有限公司 | 一种耐高温合金及其制备方法 |
JP6833561B2 (ja) * | 2017-02-27 | 2021-02-24 | 三菱重工業株式会社 | タービンホイールの製造方法、タービンホイール、およびタービンホイールの焼結治具 |
DE202017003726U1 (de) | 2017-07-14 | 2017-12-22 | Johann Schweiger | Einteiliger Einsatz mit integriertem, selbstabtrennenden Angusssystem und Temperierkanal zur Verarbeitung vernetzender Formmassen im Spritzgießverfahren |
DE102017006722A1 (de) | 2017-07-14 | 2019-01-17 | Johann Schweiger | Einteiliger Einsatz mit integriertem, selbstabtrennenden Angusssystem und Temperierkanal zur Verarbeitung thermoplastischer Formmassen mit Spritzgießverfahren |
FR3081372B1 (fr) * | 2018-05-23 | 2021-10-01 | Safran | Procede de fabrication d’une piece de turbomachine |
CN110102767A (zh) * | 2019-04-18 | 2019-08-09 | 中南大学湘雅二医院 | 一种无损去除内芯的血管内支架的制备方法 |
JP2024504141A (ja) * | 2021-01-20 | 2024-01-30 | ビーエーエスエフ ソシエタス・ヨーロピア | 低密度で良好な機械的特性を有する金属部品を製造するための材料及び方法 |
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