JP6786196B2 - 円すいころ軸受用保持器の製造方法 - Google Patents
円すいころ軸受用保持器の製造方法 Download PDFInfo
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- JP6786196B2 JP6786196B2 JP2015015788A JP2015015788A JP6786196B2 JP 6786196 B2 JP6786196 B2 JP 6786196B2 JP 2015015788 A JP2015015788 A JP 2015015788A JP 2015015788 A JP2015015788 A JP 2015015788A JP 6786196 B2 JP6786196 B2 JP 6786196B2
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- JP
- Japan
- Prior art keywords
- cage
- guide surface
- tapered roller
- diameter side
- tapered
- 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.)
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Classifications
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- 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
- F16C19/34—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 both radial and axial load
- F16C19/36—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 both radial and axial load with a single row of rollers
- F16C19/364—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 both radial and axial load with a single row of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
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- 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
- F16C33/46—Cages for rollers or needles
- F16C33/467—Details of individual pockets, e.g. shape or roller retaining means
- F16C33/4676—Details of individual pockets, e.g. shape or roller retaining means of the stays separating adjacent cage pockets, e.g. guide means for the bearing-surface of the rollers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
(1)鋼板を所定形状に打ち抜くブランク抜き工程
(2)所定形状の金属板に絞り加工を施してカップ状の保持器原形を成形する絞り工程
(3)保持器原形の大径側の不要部を切断する縁切工程
(4)保持器原形のテーパ状の側部にポケットを打ち抜くポケット抜き工程
(5)保持器原形の柱部に案内面を型成形する案内面成形工程
(6)保持器原形の底部(平板部)の軸心を打ち抜く内径抜き工程
以下、(4)ポケット抜き工程と(5)案内面成形工程を詳しく説明する。
・回転速度:1000rpm
・潤滑油:ギアオイル#90
・アキシャル荷重:8000N
・トルク測定時の潤滑油温度:30℃
・トルク測定時の潤滑油量:軸受全体が潤滑油に沈むオイルバス状態
2 内輪
2a 軌道面
3 外輪
3a 軌道面
4 円すいころ
4a 転動面
5 保持器
5a 小径側環状部
5b 大径側環状部
5c 柱部
5d 案内面
Claims (1)
- 円すいころの平均直径が5〜30mmである円すいころ軸受に組み込まれ、小径側環状部、大径側環状部、これらを軸方向に連結する複数の柱部、及び前記小径側環状部、前記大径側環状部、及び隣接する一対の柱部で囲まれた複数のポケットを有し、各柱部の周方向両側の側面に、前記円すいころの転動面と摺動する案内面が形成された保持器の製造方法であって、
前記案内面が、軸方向と直交する断面で凸を成した凸曲面であり、
前記案内面の曲率半径Rが0.5mm≦R≦10mmを満たし、
テーパ状の側部を有する保持器原形を形成する工程と、
前記保持器原形の側部をパンチで内径側から外径側に打ち抜いて前記ポケットを形成すると共に、前記パンチに設けられた成形面を前記柱部に内径側から押し付けて前記案内面を成形する工程とを有する円すいころ軸受用保持器の製造方法。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015015788A JP6786196B2 (ja) | 2015-01-29 | 2015-01-29 | 円すいころ軸受用保持器の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2015015788A JP6786196B2 (ja) | 2015-01-29 | 2015-01-29 | 円すいころ軸受用保持器の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016142278A JP2016142278A (ja) | 2016-08-08 |
JP6786196B2 true JP6786196B2 (ja) | 2020-11-18 |
Family
ID=56570064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2015015788A Active JP6786196B2 (ja) | 2015-01-29 | 2015-01-29 | 円すいころ軸受用保持器の製造方法 |
Country Status (1)
Country | Link |
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JP (1) | JP6786196B2 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2023283085A1 (en) * | 2021-07-08 | 2023-01-12 | The Timken Company | High-capacity cylindrical roller bearing and cage |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006112558A (ja) * | 2004-10-15 | 2006-04-27 | Ntn Corp | 円すいころ軸受 |
JP2008069904A (ja) * | 2006-09-15 | 2008-03-27 | Nsk Ltd | 円すいころ軸受 |
JP5038088B2 (ja) * | 2007-10-16 | 2012-10-03 | Ntn株式会社 | 打抜き保持器及び分離型ころ軸受 |
JP5531551B2 (ja) * | 2009-10-22 | 2014-06-25 | 株式会社ジェイテクト | 転がり軸受用保持器、並びにこれを備えた内輪組立体、外輪組立体、及び転がり軸受 |
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2015
- 2015-01-29 JP JP2015015788A patent/JP6786196B2/ja active Active
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Publication number | Publication date |
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JP2016142278A (ja) | 2016-08-08 |
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