JP2014137075A - 風力発電用軸受 - Google Patents
風力発電用軸受 Download PDFInfo
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- JP2014137075A JP2014137075A JP2013004499A JP2013004499A JP2014137075A JP 2014137075 A JP2014137075 A JP 2014137075A JP 2013004499 A JP2013004499 A JP 2013004499A JP 2013004499 A JP2013004499 A JP 2013004499A JP 2014137075 A JP2014137075 A JP 2014137075A
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- JP
- Japan
- Prior art keywords
- black oxide
- oxide film
- roller
- bearing
- wind power
- 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.)
- Pending
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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
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03D—WIND MOTORS
- F03D80/00—Details, components or accessories not provided for in groups F03D1/00 - F03D17/00
- F03D80/70—Bearing or lubricating arrangements
-
- 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
- F16C19/24—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 radial load mainly
- F16C19/26—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 radial load mainly with a single row of 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
- F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
- F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
-
- 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
- F16C2360/00—Engines or pumps
- F16C2360/31—Wind motors
-
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】円筒ころが、金属製の本体部と、上記本体部の表面を被覆すると共に、転動面を有する黒色酸化皮膜とを有するようにする。上記黒色酸化皮膜の厚さを、0.5μm以上2μm以下とし、上記黒色酸化皮膜の静止摩擦係数を、0.2以上0.3以下とする。円筒ころは、鋼製かつ円筒形状の本体部にブラックオキサイドのコーティングを施した後、バフ研磨を施してなっている。
【選択図】図5
Description
内周軌道面を有する外輪と、
風力発電機の回転軸上に配置されると共に、外周軌道面を有する内輪と、
上記外輪の内周軌道面と、上記内輪の外周軌道面との間に配置されるころと
を備え、
上記ころは、
金属製の本体部と、
上記本体部の表面を被覆すると共に、転動面を有する黒色酸化皮膜と
を有し、
上記黒色酸化皮膜の厚さは、0.5μm以上2μm以下であり、
上記黒色酸化皮膜の静止摩擦係数は、0.2以上0.3以下であることを特徴としている。
上記黒色酸化皮膜の算術平均粗さRaを、a[μm]とし、
上記本体部の表面の算術平均粗さRaを、b[μm」としたとき、
0.85b≦a≦1.15bである。
上記ころは、本体部にブラックオキサイドのコーティングを施した後、バフ研磨を施してなる。
2 二次増速装置
5 キャリア
6 遊星歯車
7 太陽歯車
10 入力軸
15 低速軸
17 出力軸
18 第1円筒ころ軸受
19 第2円筒ころ軸受
25 ケーシング
30 外輪
31 内輪
32 円筒ころ
41 外輪の内周円筒軌道面
51 内輪の外周円筒軌道面
70 黒色酸化皮膜
71 円筒ころの転動面
Claims (3)
- 内周軌道面を有する外輪と、
風力発電機の回転軸上に配置されると共に、外周軌道面を有する内輪と、
上記外輪の内周軌道面と、上記内輪の外周軌道面との間に配置されるころと
を備え、
上記ころは、
金属製の本体部と、
上記本体部の表面を被覆すると共に、転動面を有する黒色酸化皮膜と
を有し、
上記黒色酸化皮膜の厚さは、0.5μm以上2μm以下であり、
上記黒色酸化皮膜の静止摩擦係数は、0.2以上0.3以下であることを特徴とする風力発電機用軸受。 - 請求項1に記載の風力発電機用軸受において、
上記黒色酸化皮膜の算術平均粗さRaを、a[μm]とし、
上記本体部の表面の算術平均粗さRaを、b[μm」としたとき、
0.85b≦a≦1.15bであることを特徴とする風力発電機用軸受。 - 請求項1または2に記載の風力発電機用軸受において、
上記ころは、本体部にブラックオキサイドのコーティングを施した後、バフ研磨を施してなることを特徴とする風力発電機用軸受。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013004499A JP2014137075A (ja) | 2013-01-15 | 2013-01-15 | 風力発電用軸受 |
EP20140151070 EP2754903A1 (en) | 2013-01-15 | 2014-01-14 | Bearing for wind turbine generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2013004499A JP2014137075A (ja) | 2013-01-15 | 2013-01-15 | 風力発電用軸受 |
Publications (1)
Publication Number | Publication Date |
---|---|
JP2014137075A true JP2014137075A (ja) | 2014-07-28 |
Family
ID=49920236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013004499A Pending JP2014137075A (ja) | 2013-01-15 | 2013-01-15 | 風力発電用軸受 |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP2754903A1 (ja) |
JP (1) | JP2014137075A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110030275A (zh) * | 2017-12-15 | 2019-07-19 | 斯凯孚公司 | 滚动轴承 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6870916B2 (ja) * | 2016-03-24 | 2021-05-12 | Ntn株式会社 | 転がり軸受および軸受軌道面の耐摩耗処理方法 |
CN111958474A (zh) * | 2020-08-06 | 2020-11-20 | 天津大学 | 用于球面滚子的滚动表面精加工的研具套件、设备及方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006144828A (ja) * | 2004-11-16 | 2006-06-08 | Nsk Ltd | 車輪支持用転がり軸受ユニット |
JP2008039158A (ja) * | 2006-08-10 | 2008-02-21 | Ntn Corp | 転がり軸受 |
JP2008095916A (ja) * | 2006-10-16 | 2008-04-24 | Nsk Ltd | 鍔付ころ軸受 |
WO2009000303A1 (en) * | 2007-06-22 | 2008-12-31 | Ab Skf | Flinger for a seal assembly |
JP2010196879A (ja) * | 2009-02-27 | 2010-09-09 | Ntn Corp | 転がり軸受 |
JP2012215288A (ja) * | 2011-03-25 | 2012-11-08 | Jtekt Corp | ころ軸受 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005195097A (ja) | 2004-01-07 | 2005-07-21 | Ntn Corp | 円筒ころ軸受およびこれを用いた遊星歯車装置 |
-
2013
- 2013-01-15 JP JP2013004499A patent/JP2014137075A/ja active Pending
-
2014
- 2014-01-14 EP EP20140151070 patent/EP2754903A1/en not_active Withdrawn
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006144828A (ja) * | 2004-11-16 | 2006-06-08 | Nsk Ltd | 車輪支持用転がり軸受ユニット |
JP2008039158A (ja) * | 2006-08-10 | 2008-02-21 | Ntn Corp | 転がり軸受 |
JP2008095916A (ja) * | 2006-10-16 | 2008-04-24 | Nsk Ltd | 鍔付ころ軸受 |
WO2009000303A1 (en) * | 2007-06-22 | 2008-12-31 | Ab Skf | Flinger for a seal assembly |
JP2010196879A (ja) * | 2009-02-27 | 2010-09-09 | Ntn Corp | 転がり軸受 |
JP2012215288A (ja) * | 2011-03-25 | 2012-11-08 | Jtekt Corp | ころ軸受 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110030275A (zh) * | 2017-12-15 | 2019-07-19 | 斯凯孚公司 | 滚动轴承 |
CN110030275B (zh) * | 2017-12-15 | 2022-06-07 | 斯凯孚公司 | 滚动轴承 |
Also Published As
Publication number | Publication date |
---|---|
EP2754903A1 (en) | 2014-07-16 |
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