JP4954059B2 - 粉末金属物品を製造するための方法、高密度化装置及びダイ - Google Patents
粉末金属物品を製造するための方法、高密度化装置及びダイ Download PDFInfo
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- JP4954059B2 JP4954059B2 JP2007507424A JP2007507424A JP4954059B2 JP 4954059 B2 JP4954059 B2 JP 4954059B2 JP 2007507424 A JP2007507424 A JP 2007507424A JP 2007507424 A JP2007507424 A JP 2007507424A JP 4954059 B2 JP4954059 B2 JP 4954059B2
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- 239000002184 metal Substances 0.000 title claims description 30
- 239000000843 powder Substances 0.000 title claims description 29
- 238000000280 densification Methods 0.000 title claims description 11
- 238000004519 manufacturing process Methods 0.000 title claims description 3
- 239000000463 material Substances 0.000 claims description 35
- 238000000034 method Methods 0.000 claims description 15
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 238000005245 sintering Methods 0.000 claims description 4
- 230000004323 axial length Effects 0.000 claims 5
- 238000005242 forging Methods 0.000 description 4
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004482 other powder Substances 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
- B22F3/12—Both compacting and sintering
- B22F3/16—Both compacting and sintering in successive or repeated steps
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- 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
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/052—Metallic powder characterised by the size or surface area of the particles characterised by a mixture of particles of different sizes or by the particle size distribution
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- 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]
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- 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
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
-
- 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
- B22F5/08—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs
- B22F5/085—Manufacture of workpieces or articles from metallic powder characterised by the special shape of the product of toothed articles, e.g. gear wheels; of cam discs with helical contours
-
- 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
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/002—Making metallic powder or suspensions thereof amorphous or microcrystalline
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K15/00—Electron-beam welding or cutting
- B23K15/0046—Welding
- B23K15/0086—Welding welding for purposes other than joining, e.g. built-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/34—Laser welding for purposes other than joining
- B23K26/342—Build-up welding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C64/00—Additive manufacturing, i.e. manufacturing of three-dimensional [3D] objects by additive deposition, additive agglomeration or additive layering, e.g. by 3D printing, stereolithography or selective laser sintering
- B29C64/10—Processes of additive manufacturing
- B29C64/141—Processes of additive manufacturing using only solid materials
- B29C64/153—Processes of additive manufacturing using only solid materials using layers of powder being selectively joined, e.g. by selective laser sintering or melting
-
- 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
-
- 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
- B33Y70/00—Materials specially adapted for additive manufacturing
-
- 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
- B22F2301/00—Metallic composition of the powder or its coating
- B22F2301/25—Noble metals, i.e. Ag Au, Ir, Os, Pd, Pt, Rh, Ru
-
- 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
- B22F2998/00—Supplementary information concerning processes or compositions relating to powder metallurgy
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- 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)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Plasma & Fusion (AREA)
- Crystallography & Structural Chemistry (AREA)
- Powder Metallurgy (AREA)
- Gears, Cams (AREA)
- Forging (AREA)
Description
Claims (16)
- 粉末金属物品を製造する方法であって、
複数の歯を有する突き固めた粉末金属プレフォーム材を焼結する工程、及び
前記粉末金属プレフォーム材を、複数の連続的な螺旋状の溝を形成する半径方向の歯形プロファイルを有する第一のダイを介して軸方向に強制的に移動させる工程であって、それぞれの半径方向の歯形プロファイルが、プレフォーム材の軸方向移動方向において前記プロファイルの長さの少なくとも一部にわたる前記連続的な螺旋状の溝の徐々に狭くなる部分に対応する幅広領域を有しており、前記連続的な螺旋状の溝の前記徐々に狭くなる部分が、前記プレフォーム材の歯と係合して高密度化する工程を含む前記方法。 - プレフォーム材の対応する歯の間を伸びる案内歯を有する第1のスペーサーにより粉末金属プレフォーム材を第一のダイと係合するように案内する工程を含む請求項1の方法。
- 前記連続的な螺旋状の溝に対応する半径方向の螺旋にそって前記第1のスペーサーの案内歯を形成する工程を含む、請求項2に記載の方法。
- 前記連続的な螺旋状の溝を介する前記プレフォーム材の動きが、ダイを介する軸方向移動の間、前記プレフォーム材の歯の半径方向の先端部の寸法を一定の値に維持する工程を含む、請求項2の方法。
- 複数の軸方向に交互するスペーサーとダイを用意する工程であって、ダイのそれぞれの歯形プロファイルが、プレフォーム材の歯を段階的に更に高密度化するように構成されている前記工程を含む請求項2に記載の方法。
- 複数のダイのそれぞれの歯形プロファイル及びスペーサーのそれぞれの案内歯をプレフォーム材の歯の螺旋構造に対応する共通の螺旋軸に沿って整列させる工程、
複数のダイのそれぞれの歯形プロファイルをプレフォーム材の歯を段階的に高密度化するように順次狭くなるように形成する工程を含む請求項5の方法。 - 粉末金属の焼結済みハスバ歯車のプレフォーム材の歯を高密度化する装置であって、
案内部材であって、前記案内部材の縦軸に沿って放射方向に延びた連続的な螺旋状の歯を有する前記案内部材、及び
前記案内部材の連続的な螺旋状の歯に対して軸方向に連続して配置された連続的な半径方向の螺旋状の歯を有する高密度化ダイを含み、
前記高密度化ダイの前記連続的な半径方向の螺旋状の歯が、それぞれ、前記連続的な螺旋状の歯の軸方向の長さに沿って隣接した歯の間に徐々に狭くなる部分を定義する変化可能な幅領域を有する、前記装置。 - 前記案内部材が更に複数の案内部材からなり、前記高密度化ダイがさらに複数の高密度化ダイからなり、前記複数の案内部材及び複数の高密度化ダイが軸方向に交互に配置される、請求項7に記載の装置。
- 前記複数の高密度化ダイの前記それぞれの狭くなる部分が、プレフォーム材の歯を段階的に高密度化するために段階的に小さくなる、請求項8に記載の装置。
- 前記高密度化ダイが、前記案内部材に隣接する頂面及び前記高密度化ダイの前記螺旋状の歯のそれぞれの入口部分に対する変化を含み、前記変化が丸くなるように又は面取り状の1つから選択される、請求項7に記載の装置。
- 前記少なくとも一つの高密度化ダイの前記螺旋状の歯のそれぞれが、軸方向の長さ及び前記長さ方向にそった一定の半径方向の高さを定義する、請求項7に記載の装置。
- 前記狭くなる部分が、前記螺旋状の溝の長さ方向の中心に位置する、請求項7に記載の装置。
- 粉末金属物品を受け取り且つ圧縮するためのダイであって、
頂面、
頂面から離隔した底面、
直径を有し、頂面と底面の間を延びるアパーチャー、及び
前記アパーチャーから、頂面と底面の間を半径方向外方に軸方向に延びる複数の連続的な螺旋状の溝を含み、
前記複数の溝のそれぞれが、軸方向の長さ及び前記連続的な螺旋状の溝のそれぞれの徐々に狭くなる部分を形成する前記軸方向の長さに沿った変化する幅を有する、前記ダイ。 - 前記連続的な螺旋状の溝の前記徐々に狭くなる部分が、前記連続的な螺旋状の溝の軸方向の長さにそって、砂時計形の部分を画定する、請求項13に記載のダイ。
- 前記砂時計部分が、頂面及び底面から等間隔で、前記連続的な螺旋状の溝中の位置に配置される、請求項14に記載のダイ。
- 前記半径方向の直径が、頂面と底面の間で一定である、請求項13記載のダイ。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/821,014 | 2004-04-08 | ||
US10/821,014 US7025929B2 (en) | 2004-04-08 | 2004-04-08 | Method and apparatus for densifying powder metal gears |
PCT/US2005/011465 WO2005099938A1 (en) | 2004-04-08 | 2005-04-05 | Method and apparatus for densifying powder gears |
Publications (3)
Publication Number | Publication Date |
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JP2007532774A JP2007532774A (ja) | 2007-11-15 |
JP2007532774A5 JP2007532774A5 (ja) | 2011-12-15 |
JP4954059B2 true JP4954059B2 (ja) | 2012-06-13 |
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Application Number | Title | Priority Date | Filing Date |
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JP2007507424A Active JP4954059B2 (ja) | 2004-04-08 | 2005-04-05 | 粉末金属物品を製造するための方法、高密度化装置及びダイ |
Country Status (8)
Country | Link |
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US (2) | US7025929B2 (ja) |
EP (1) | EP1747077B1 (ja) |
JP (1) | JP4954059B2 (ja) |
KR (1) | KR20070007829A (ja) |
CN (1) | CN1953830B (ja) |
BR (1) | BRPI0509727B1 (ja) |
ES (1) | ES2828064T3 (ja) |
WO (1) | WO2005099938A1 (ja) |
Families Citing this family (17)
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DE102005027144A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Oberflächenverdichtung einer Verzahnung |
DE102005027137A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Verzahnung aus Sintermaterial |
DE102005027048A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Gesintertes Verzahnungselement mit lokal-selektiver Oberflächenverdichtung |
DE102005027054A1 (de) * | 2005-06-10 | 2006-12-28 | Gkn Sinter Metals Gmbh | Werkstück mit unterschiedlicher Beschaffenheit |
DE102005027049A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Belastbare Verzahnung |
AT503037B1 (de) * | 2006-05-04 | 2007-07-15 | Miba Sinter Austria Gmbh | Verfahren zum herstellen eines zahnrades |
AT504081B1 (de) † | 2006-09-04 | 2008-11-15 | Miba Sinter Austria Gmbh | Verfahren zur oberflächenverdichtung eines sinterteils |
JP4881152B2 (ja) * | 2006-12-29 | 2012-02-22 | 大岡技研株式会社 | 歯車 |
AT9818U1 (de) * | 2007-04-04 | 2008-04-15 | Miba Sinter Austria Gmbh | Vorrichtung und verfahren zum kalibrieren eines sinterformteils |
AT509588B1 (de) * | 2010-06-10 | 2011-10-15 | Miba Sinter Austria Gmbh | Verdichtungswerkzeug |
AT515352B1 (de) * | 2014-01-28 | 2017-09-15 | Miba Sinter Austria Gmbh | Sinterbauteil |
DE102014002219B4 (de) * | 2014-02-21 | 2015-12-10 | Gkn Sinter Metals Engineering Gmbh | Verfahren und Vorrichtung zur Herstellung eines Zahnrades nebst Spannmittel |
AT516779B1 (de) * | 2015-01-23 | 2017-04-15 | Miba Sinter Austria Gmbh | Verfahren zur Herstellung einer Balligkeit auf einem Sinterbauteil |
DE102015108991A1 (de) * | 2015-06-08 | 2016-12-08 | Hoerbiger Antriebstechnik Holding Gmbh | Nabe, Schiebemuffe und Synchronisationsvorrichtung sowie Verfahren zur Herstellung einer Nabe und Verfahren zur Herstellung einer Schiebemuffe |
CN108480644A (zh) * | 2018-04-12 | 2018-09-04 | 金华市宇辰粉末冶金有限公司 | 一种粉末冶金斜齿轮的全自动专用生产设备及生产方法 |
US11707786B2 (en) * | 2020-04-17 | 2023-07-25 | PMG Indiana LLC | Apparatus and method for internal surface densification of powder metal articles |
AT525262B1 (de) * | 2021-12-13 | 2023-02-15 | Miba Sinter Austria Gmbh | Verfahren zum Pressen eines Grünlings |
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2004
- 2004-04-08 US US10/821,014 patent/US7025929B2/en not_active Expired - Lifetime
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- 2005-04-05 CN CN2005800157238A patent/CN1953830B/zh active Active
- 2005-04-05 BR BRPI0509727-4A patent/BRPI0509727B1/pt not_active IP Right Cessation
- 2005-04-05 JP JP2007507424A patent/JP4954059B2/ja active Active
- 2005-04-05 KR KR1020067021604A patent/KR20070007829A/ko not_active Application Discontinuation
- 2005-04-05 ES ES05733182T patent/ES2828064T3/es active Active
- 2005-04-05 WO PCT/US2005/011465 patent/WO2005099938A1/en active Application Filing
- 2005-04-05 EP EP05733182.9A patent/EP1747077B1/en active Active
- 2005-09-30 US US11/241,210 patent/US7578963B2/en active Active
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BRPI0509727B1 (pt) | 2014-08-19 |
CN1953830A (zh) | 2007-04-25 |
JP2007532774A (ja) | 2007-11-15 |
US20060024189A1 (en) | 2006-02-02 |
EP1747077A4 (en) | 2009-09-09 |
EP1747077A1 (en) | 2007-01-31 |
CN1953830B (zh) | 2011-01-12 |
US7578963B2 (en) | 2009-08-25 |
US7025929B2 (en) | 2006-04-11 |
BRPI0509727A (pt) | 2007-09-25 |
US20050226759A1 (en) | 2005-10-13 |
EP1747077B1 (en) | 2020-08-12 |
WO2005099938A1 (en) | 2005-10-27 |
ES2828064T3 (es) | 2021-05-25 |
KR20070007829A (ko) | 2007-01-16 |
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