WO2012016731A1 - Axialwälzlager, insbesondere axialnadellager - Google Patents
Axialwälzlager, insbesondere axialnadellager Download PDFInfo
- Publication number
- WO2012016731A1 WO2012016731A1 PCT/EP2011/059319 EP2011059319W WO2012016731A1 WO 2012016731 A1 WO2012016731 A1 WO 2012016731A1 EP 2011059319 W EP2011059319 W EP 2011059319W WO 2012016731 A1 WO2012016731 A1 WO 2012016731A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- bearing
- raceways
- axial
- rolling
- rolling elements
- Prior art date
Links
Classifications
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/22—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
- F16C19/30—Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for axial load mainly
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/08—Elastic or yielding bearings or bearing supports, for exclusively rotary movement primarily for axial load, e.g. for vertically-arranged shafts
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/588—Races of sheet metal
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
- F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/30—Angles, e.g. inclinations
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/30—Angles, e.g. inclinations
- F16C2240/34—Contact angles
-
- 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
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Definitions
- the invention relates to an axial roller bearing according to the preamble of forming features of claim 1, and it is particularly advantageous to axial needle bearings for mounting the planet carrier or the clutch carrier or the impeller or the turbine wheel in automatic transmissions realized.
- converter transmissions which differ from conventional and automated manual transmissions, above all by a traction-free shifting process.
- PKW automatic transmissions usually use a hydraulic torque converter as a starting clutch, which consists of a pump impeller, a stator and a turbine wheel and consist essentially of a different number of multi-plate clutches and a combination of several planetary gears together. All switching and coupling operations are carried out via various freewheeling and with the multi-plate clutches, which produce the non-positive connection of the individual planetary gear stages with the input and output shafts of the automatic transmission.
- a gear change thus takes place by gradually switching off a first, consisting of a clutch and a shaft of a planetary gear shift element and simultaneous engagement of a second, consisting of a further clutch and another shaft of a planetary gear shift element for the next gear until the end of the gear change the total torque of the first shift element Tes is taken from the second switching element.
- Such axial needle bearings are known from the catalog "Rolling Bearings" of the Applicant from January 2006 on pages 776 to 782 under the product name AX and consist essentially of a first annular bearing disk and a second annular bearing disk, each consisting of a thin-walled steel sheet and Between the axial inner sides of both bearing disks designed as raceways, a multiplicity of bearing needles arranged side by side roll in a row, which are held at equal distances from one another by a bearing cage and form a needle rim together with the bearing cage.
- the invention is therefore the object of an axial roller bearing, in particular axial needle bearing to design, which is characterized at least in the unloaded state by significantly lower friction moments than in the loaded state.
- this object is achieved in an axial roller bearing according to the term O berbegriff of claim 1 such that the bearing discs of Axial maybelzlagers are designed as load-dependent spring-loaded plate springs with angularly oriented raceways and arranged to each other, that the rolling elements in the unloaded state of the Axial maybelzlagers a low-friction point contact and only in the fully loaded condition of the thrust roller bearing have a fully sustainable line contact with the raceways.
- the invention is thus based on the finding that it is possible in a simple manner by integrating a plate spring function in the bearing discs of Axialmélzlagers, the load-free states described above at Axial maybelzlagern, where there is a kinematically unclean rolling of the rolling elements on the raceways to Standstill of the rolling elements or the entire needle ring comes, so that the rolling elements slip only on their careers and thus cause a similar high friction torque as in the loaded state of Axial anymorelzlager to avoid.
- the disc spring function in the bearing discs thereby causes the bearing discs have a low-friction point contact with the rolling elements, especially in the unloaded state, so that they kinematically roll almost optimally on their careers and cause much lower friction moments than in the loaded state of Axial anymorelzlager. It is even conceivable that even the formation of one of the two bearing disks as disk spring contributes to a reduction in the frictional torque of an axial rolling bearing in the unloaded state.
- the inventively designed Axial maybelzlager according to claim 6 also characterized by the fact that the bearing plates have the same sheet thicknesses and equal angles of attack on their careers and are formed with the same maximum compression travel of the raceways. This has proven to be particularly advantageous in terms of achieving the same spring characteristics for both bearing washers of Axial anymorelzlagers. However, it may also be advantageous in certain applications to form both bearing discs with different spring characteristics. In such cases it is possible to lent to use at the same angles of attack of the tracks different sheet thicknesses for both bearing discs or to use the same sheet thickness for the bearing discs and to vary the angle of attack of a career against the angle of attack of the other career.
- annular beads are also suitable for selectively influencing the Ferderkennlinien the bearing discs, since it is also possible to make them variable in depth so that, for example, smaller annular thicknesses are formed with smaller sheet thicknesses and shallower annular thicknesses in larger sheet thicknesses in the bearing discs.
- a not insignificant influence on the frictional torque of the axial roller bearing in the unloaded state also has the arrangement of the annular beads in the raceways of the bearing discs.
- the annular beads in the raceways of the bearing disks it is more advantageous according to claim 9 for the annular beads in the raceways of the bearing disks to be located directly opposite each other on the pitch circle diameter of the rolling elements. are positioned opposite each other on the pitch diameter of the rolling elements or in the vicinity thereof, since with this measure, the relatively lower career support of the rolling elements in this embodiment can be compensated.
- FIG. 1 shows an enlarged cross section of a first embodiment of an axial rolling bearing designed according to the invention
- FIG. 2 shows an enlarged cross section of a variant of the first embodiment of the axial rolling bearing designed according to the invention
- FIG. 3 shows an enlarged cross section of a second embodiment of an axial rolling bearing designed according to the invention.
- axial needle bearing Axial maybelzlager 1 which consist essentially of a first annular bearing disk 2 and a second annular bearing disk 3 of a thin-walled steel sheet, at whose inner diameter in each case an unspecified centering is formed and each spaced from each other on a common central axis A M are arranged.
- the axial rolling bearing 1 has a plurality of juxtaposed in a row and designed as a bearing needles rolling elements 4, which roll between the raceways 5, 6 formed axial inner sides of both bearing discs 2, 3 and held by a bearing cage 7 at regular intervals.
- the bearing discs 2, 3 of the illustrated Axialmélzlager 1 according to the invention as a load-dependent spring-loaded disc springs with angled raceways 5, 6 are formed and arranged to each other, that the rolling elements 4 in the unloaded state of Axial maybelzlagers 1 a low friction Point contact and only in the fully loaded state of the axial roller bearing 1 a fully sustainable line contact to the raceways 5, 6 have.
- Rolling bearing 1 is that the bearing discs 2, 3 of the same sheet metal thickness and the same size angle ⁇ , ß on their raceways 5, having 6 and are formed with the same maximum compression travel ⁇ - ,, ⁇ 2 of the raceways 5,. 6 This makes it possible for both bearing discs 2, 3 of the axial roller bearing 1 to achieve the same spring characteristics with consistently soft bias.
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020137002855A KR20130097713A (ko) | 2010-08-03 | 2011-06-07 | 액시얼 구름 베어링, 특히 액시얼 니들 베어링 |
US13/702,535 US9145916B2 (en) | 2010-08-03 | 2011-06-07 | Axial anti-friction bearing, in particular axial needle bearing |
EP11723479.9A EP2601420A1 (de) | 2010-08-03 | 2011-06-07 | Axialwälzlager, insbesondere axialnadellager |
CN201180038066.4A CN103052817B (zh) | 2010-08-03 | 2011-06-07 | 推力滚动轴承,特别是推力滚针轴承 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010033122.8A DE102010033122B4 (de) | 2010-08-03 | 2010-08-03 | Axialwälzlager, insbesondere Axialnadellager |
DE102010033122.8 | 2010-08-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012016731A1 true WO2012016731A1 (de) | 2012-02-09 |
Family
ID=44262997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2011/059319 WO2012016731A1 (de) | 2010-08-03 | 2011-06-07 | Axialwälzlager, insbesondere axialnadellager |
Country Status (6)
Country | Link |
---|---|
US (1) | US9145916B2 (de) |
EP (1) | EP2601420A1 (de) |
KR (1) | KR20130097713A (de) |
CN (1) | CN103052817B (de) |
DE (1) | DE102010033122B4 (de) |
WO (1) | WO2012016731A1 (de) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102013207780A1 (de) * | 2013-02-08 | 2014-08-14 | Schaeffler Technologies Gmbh & Co. Kg | Planetenradlagerung in einem Planetengetriebe |
DE102013215839A1 (de) | 2013-08-12 | 2015-03-05 | Schaeffler Technologies AG & Co. KG | Wälzlager |
US9845825B2 (en) * | 2014-04-08 | 2017-12-19 | Nrb Bearings Ltd. | Roller bearing with enhanced stress bearing capacity |
US20160010688A1 (en) * | 2014-07-10 | 2016-01-14 | Schaeffler Technologies AG & Co. KG | Low friction multi stage thrust bearing |
CN104963941A (zh) * | 2015-06-30 | 2015-10-07 | 常州光洋轴承股份有限公司 | 一种推力滚针轴承 |
JP6537940B2 (ja) | 2015-09-08 | 2019-07-03 | Ntn株式会社 | 軌道輪の製造方法 |
US9746025B2 (en) * | 2016-01-25 | 2017-08-29 | Schaeffler Technologies AG & Co. KG | Axial roller bearing assembly having a spring plate |
JP6758913B2 (ja) * | 2016-05-23 | 2020-09-23 | Ntn株式会社 | 軌道輪の製造方法 |
DE102019115309A1 (de) | 2018-06-25 | 2020-01-02 | Schaeffler Technologies AG & Co. KG | Lagerscheibe für ein Axialrollenlager |
DE102018115182B4 (de) | 2018-06-25 | 2023-02-23 | Schaeffler Technologies AG & Co. KG | Axialwälzlager |
DE102019130286A1 (de) * | 2019-11-11 | 2020-12-17 | Schaeffler Technologies AG & Co. KG | Dichthülse mit kombinierten Axiallagermitteln für eine Druckmittel-Drehdurchführung |
DE102019133931A1 (de) * | 2019-12-11 | 2021-06-17 | Schaeffler Technologies AG & Co. KG | Axialwälzlager |
DE102020110411A1 (de) | 2020-04-16 | 2021-10-21 | Schaeffler Technologies AG & Co. KG | Axiallager |
DE102021106627A1 (de) | 2021-03-18 | 2022-09-22 | Schaeffler Technologies AG & Co. KG | Axialwälzlager und Betätigungseinrichtung für eine Bremseinheit |
CN114909395A (zh) * | 2022-05-16 | 2022-08-16 | 陕西法士特齿轮有限责任公司 | 一种预调整耐蠕变高转速推力滚子轴承 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07119740A (ja) * | 1993-10-21 | 1995-05-09 | Nippon Seiko Kk | レース付スラストころ軸受 |
DE19924018A1 (de) | 1998-06-17 | 1999-12-23 | Torrington Co | Axiallager |
JP2004324845A (ja) * | 2003-04-28 | 2004-11-18 | Nsk Ltd | スラストころ軸受 |
JP2007170447A (ja) * | 2005-12-19 | 2007-07-05 | Ntn Corp | スラストころ軸受の軌道輪の製造方法およびスラストころ軸受の軌道輪の製造装置 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3023058A (en) * | 1959-06-29 | 1962-02-27 | Dowty Hydraulic Units Ltd | Rotating axial thrust bearings |
JP3094720B2 (ja) * | 1993-02-15 | 2000-10-03 | 株式会社豊田自動織機製作所 | 斜板式圧縮機 |
JPH08159150A (ja) * | 1994-12-08 | 1996-06-18 | Nippon Seiko Kk | スラストころ軸受 |
JP2000303951A (ja) * | 1999-04-20 | 2000-10-31 | Toyota Autom Loom Works Ltd | ピストン式圧縮機 |
US6830380B2 (en) * | 2000-09-13 | 2004-12-14 | The Torrington Company | Thrust bearing assembly with preload spring |
US7104699B2 (en) * | 2001-09-28 | 2006-09-12 | Timken Us Corporation | Thrust bearing and method of making same |
JP4428168B2 (ja) * | 2004-08-06 | 2010-03-10 | 株式会社ジェイテクト | スラスト軸受 |
JP2007170448A (ja) * | 2005-12-19 | 2007-07-05 | Ntn Corp | スラストころ軸受の軌道輪およびスラストころ軸受 |
JP2007309508A (ja) * | 2006-04-20 | 2007-11-29 | Kinyosha Co Ltd | 揺動ローラー、転がり軸受、ローラーの揺動方法 |
DE102008026204A1 (de) | 2008-05-30 | 2009-12-03 | Schaeffler Kg | Lageranordnung einer Welle |
DE102009010487A1 (de) | 2008-11-21 | 2010-05-27 | Schaeffler Kg | Zweiwegekupplung mit axialer Ausrückung |
DE102011088868A1 (de) | 2011-12-16 | 2013-06-20 | Schaeffler Technologies AG & Co. KG | Radial-Rollenwälzlageranordnung, insbesondere für eine Nadelhülse |
-
2010
- 2010-08-03 DE DE102010033122.8A patent/DE102010033122B4/de active Active
-
2011
- 2011-06-07 KR KR1020137002855A patent/KR20130097713A/ko not_active Application Discontinuation
- 2011-06-07 CN CN201180038066.4A patent/CN103052817B/zh active Active
- 2011-06-07 EP EP11723479.9A patent/EP2601420A1/de not_active Ceased
- 2011-06-07 US US13/702,535 patent/US9145916B2/en active Active
- 2011-06-07 WO PCT/EP2011/059319 patent/WO2012016731A1/de active Application Filing
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07119740A (ja) * | 1993-10-21 | 1995-05-09 | Nippon Seiko Kk | レース付スラストころ軸受 |
DE19924018A1 (de) | 1998-06-17 | 1999-12-23 | Torrington Co | Axiallager |
JP2004324845A (ja) * | 2003-04-28 | 2004-11-18 | Nsk Ltd | スラストころ軸受 |
JP2007170447A (ja) * | 2005-12-19 | 2007-07-05 | Ntn Corp | スラストころ軸受の軌道輪の製造方法およびスラストころ軸受の軌道輪の製造装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2601420A1 |
Also Published As
Publication number | Publication date |
---|---|
US9145916B2 (en) | 2015-09-29 |
US20130136387A1 (en) | 2013-05-30 |
CN103052817A (zh) | 2013-04-17 |
CN103052817B (zh) | 2015-07-15 |
DE102010033122B4 (de) | 2015-03-26 |
KR20130097713A (ko) | 2013-09-03 |
EP2601420A1 (de) | 2013-06-12 |
DE102010033122A1 (de) | 2012-02-09 |
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