BR112012024650A2 - roda dentada sinterizada - Google Patents
roda dentada sinterizadaInfo
- Publication number
- BR112012024650A2 BR112012024650A2 BR112012024650A BR112012024650A BR112012024650A2 BR 112012024650 A2 BR112012024650 A2 BR 112012024650A2 BR 112012024650 A BR112012024650 A BR 112012024650A BR 112012024650 A BR112012024650 A BR 112012024650A BR 112012024650 A2 BR112012024650 A2 BR 112012024650A2
- Authority
- BR
- Brazil
- Prior art keywords
- region
- flank
- sintered sprocket
- base
- surface layer
- Prior art date
Links
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
- B22F5/08—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
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21H—MAKING PARTICULAR METAL OBJECTS BY ROLLING, e.g. SCREWS, WHEELS, RINGS, BARRELS, BALLS
- B21H5/00—Making gear wheels, racks, spline shafts or worms
- B21H5/02—Making gear wheels, racks, spline shafts or worms with cylindrical outline, e.g. by means of die rolls
- B21H5/022—Finishing gear teeth with cylindrical outline, e.g. burnishing
-
- 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
- B22F3/11—Making porous workpieces or articles
- B22F3/1103—Making porous workpieces or articles with particular physical characteristics
- B22F3/1109—Inhomogenous pore distribution
-
- 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
- B22F3/164—Partial deformation or calibration
- B22F3/168—Local deformation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
- F16H55/02—Toothed members; Worms
- F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19949—Teeth
-
- 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
- Y10T74/00—Machine element or mechanism
- Y10T74/19—Gearing
- Y10T74/19949—Teeth
- Y10T74/19963—Spur
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Powder Metallurgy (AREA)
- Gears, Cams (AREA)
Abstract
roda dentada sinterizada. a presente invenção refere-se a uma roda dentada sinterizada, com dentes (1) os quais, na região de flanco e na região de base (2,3), apresenyam uma camada superficial compactada (7,8,9) sempre contínua na seção de transição (4) entre a região de flanco e a região de base (2,3), com uma porosidade residual menor do que 10%. para aumentar a capacidade de suportar cargas propõe-se que a camada superficial compactada (9), na região de transição (4) entre a região de flanco e a região de base (2, 3), seja projetada com uma espessura menor do que nas regiões de flanco e de base (2,3) subsequentes.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AT0145410A AT509456B1 (de) | 2010-08-31 | 2010-08-31 | Gesintertes zahnrad |
ATA1454/2010 | 2010-08-31 | ||
PCT/AT2011/000289 WO2012027761A1 (de) | 2010-08-31 | 2011-07-01 | Gesintertes zahnrad |
Publications (2)
Publication Number | Publication Date |
---|---|
BR112012024650A2 true BR112012024650A2 (pt) | 2016-06-07 |
BR112012024650B1 BR112012024650B1 (pt) | 2018-06-19 |
Family
ID=44546332
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112012024650-0A BR112012024650B1 (pt) | 2010-08-31 | 2011-07-01 | Roda dentada sinterizada |
Country Status (6)
Country | Link |
---|---|
US (1) | US8984981B2 (pt) |
EP (1) | EP2611560B1 (pt) |
CN (1) | CN102834209B (pt) |
AT (1) | AT509456B1 (pt) |
BR (1) | BR112012024650B1 (pt) |
WO (1) | WO2012027761A1 (pt) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT509456B1 (de) * | 2010-08-31 | 2011-09-15 | Miba Sinter Austria Gmbh | Gesintertes zahnrad |
WO2013136983A1 (ja) * | 2012-03-12 | 2013-09-19 | Ntn株式会社 | 機械構造部品および焼結歯車、ならびにこれらの製造方法 |
EP3082428A4 (en) | 2013-12-09 | 2017-08-02 | Respira Therapeutics, Inc. | Pde5 inhibitor powder formulations and methods relating thereto |
JP6326660B2 (ja) * | 2014-11-12 | 2018-05-23 | 住友電工焼結合金株式会社 | 焼結体の非破壊検査方法 |
CN110788327A (zh) * | 2019-12-09 | 2020-02-14 | 浙江钰易来汽摩零部件有限公司 | 一种粉末冶金齿轮的制造方法 |
US11707786B2 (en) | 2020-04-17 | 2023-07-25 | PMG Indiana LLC | Apparatus and method for internal surface densification of powder metal articles |
US11707792B2 (en) * | 2020-09-28 | 2023-07-25 | GM Global Technology Operations LLC | Scattered topography rolling of powered metal gears |
AT524675B1 (de) * | 2021-06-08 | 2022-08-15 | Miba Sinter Austria Gmbh | Verfahren zur Herstellung eines Sinterbauteils mit einer Verzahnung |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4708912A (en) * | 1984-07-18 | 1987-11-24 | Sintermetallwerk Krebsoege Gmgh | Sintered metal body with at least one toothing |
JP2777373B2 (ja) * | 1988-06-28 | 1998-07-16 | 日産自動車株式会社 | 耐熱耐摩耗性鉄基焼結合金 |
US5711187A (en) * | 1990-10-08 | 1998-01-27 | Formflo Ltd. | Gear wheels rolled from powder metal blanks and method of manufacture |
GB2250227B (en) | 1990-10-08 | 1994-06-08 | Formflo Ltd | Gear wheels rolled from powder metal blanks |
US5704718A (en) * | 1995-07-14 | 1998-01-06 | Ntn Corporation | Sintered oil-impregnated bearing and method for manufacturing same |
DE19850326A1 (de) * | 1998-11-02 | 2000-05-04 | Gkn Sinter Metals Holding Gmbh | Verfahren zur Herstellung eines gesinterten Bauteils mit Nachverformung des Grünlings |
SE0002448D0 (sv) * | 2000-06-28 | 2000-06-28 | Hoeganaes Ab | method of producig powder metal components |
JP2005344126A (ja) * | 2002-10-04 | 2005-12-15 | Hitachi Powdered Metals Co Ltd | 焼結歯車 |
JP2004308684A (ja) * | 2003-04-02 | 2004-11-04 | Mitsubishi Materials Corp | 焼結含油軸受 |
PT1646477E (pt) * | 2003-05-30 | 2009-07-27 | Rem Technologies | Superacabamento de sistemas de engrenagens planetárias de grandes dimensões |
DE102005027142A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Vorformgeometrie einer Verzahnung |
DE102005027140A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Verzahnung mit angepasstem Sintermaterial |
DE102005027048A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Gesintertes Verzahnungselement mit lokal-selektiver Oberflächenverdichtung |
DE102005027144A1 (de) * | 2005-06-10 | 2006-12-14 | Gkn Sinter Metals Gmbh | Oberflächenverdichtung einer Verzahnung |
JP4618806B2 (ja) * | 2006-07-31 | 2011-01-26 | 株式会社エンプラス | 歯車 |
DE112007003626T5 (de) * | 2007-08-17 | 2010-06-24 | GKN Sinter Metals, LLC., Auburn Hills | Verfahren zum Erhalten eines geschmiedeten, aufgekohlten Pulvermetallteils |
AT10838U1 (de) * | 2008-01-16 | 2009-11-15 | Miba Sinter Austria Gmbh | Sinterzahnrad |
AT509456B1 (de) * | 2010-08-31 | 2011-09-15 | Miba Sinter Austria Gmbh | Gesintertes zahnrad |
-
2010
- 2010-08-31 AT AT0145410A patent/AT509456B1/de not_active IP Right Cessation
-
2011
- 2011-07-01 US US13/575,683 patent/US8984981B2/en not_active Expired - Fee Related
- 2011-07-01 WO PCT/AT2011/000289 patent/WO2012027761A1/de active Application Filing
- 2011-07-01 EP EP11740554.8A patent/EP2611560B1/de active Active
- 2011-07-01 BR BR112012024650-0A patent/BR112012024650B1/pt not_active IP Right Cessation
- 2011-07-01 CN CN201180018285.6A patent/CN102834209B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN102834209B (zh) | 2015-05-06 |
BR112012024650B1 (pt) | 2018-06-19 |
CN102834209A (zh) | 2012-12-19 |
AT509456B1 (de) | 2011-09-15 |
US8984981B2 (en) | 2015-03-24 |
AT509456A4 (de) | 2011-09-15 |
EP2611560B1 (de) | 2018-01-17 |
EP2611560A1 (de) | 2013-07-10 |
US20130008278A1 (en) | 2013-01-10 |
WO2012027761A1 (de) | 2012-03-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B07A | Application suspended after technical examination (opinion) [chapter 7.1 patent gazette] | ||
B09A | Decision: intention to grant [chapter 9.1 patent gazette] | ||
B16A | Patent or certificate of addition of invention granted [chapter 16.1 patent gazette] | ||
B21F | Lapse acc. art. 78, item iv - on non-payment of the annual fees in time |
Free format text: REFERENTE A 11A ANUIDADE. |
|
B24J | Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12) |
Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2677 DE 26-04-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013. |