JP4464767B2 - 保持器付きころ - Google Patents
保持器付きころ Download PDFInfo
- Publication number
- JP4464767B2 JP4464767B2 JP2004246396A JP2004246396A JP4464767B2 JP 4464767 B2 JP4464767 B2 JP 4464767B2 JP 2004246396 A JP2004246396 A JP 2004246396A JP 2004246396 A JP2004246396 A JP 2004246396A JP 4464767 B2 JP4464767 B2 JP 4464767B2
- Authority
- JP
- Japan
- Prior art keywords
- cage
- roller
- inner peripheral
- curved surface
- circumferential
- 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.)
- Active
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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
- 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
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
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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
- F16C19/44—Needle bearings
- F16C19/46—Needle bearings with one row or needles
- F16C19/463—Needle bearings with one row or needles consisting of needle rollers held in a cage, i.e. subunit without race rings
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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
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
- F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
- F16C33/4629—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from metal, e.g. cast or machined window cages
-
- 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
- F16C2360/22—Internal combustion engines
-
- 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
- F16C9/00—Bearings for crankshafts or connecting-rods; Attachment of connecting-rods
- F16C9/04—Connecting-rod bearings; Attachments thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Description
前記保持器は,外周面が軸方向に面一に形成され,前記コネクティングロッドの前記大端部の内周面と前記柱部の前記外周面との面当たりを前記軸方向に沿って一様にするために,前記保持器の内周面の前記軸方向の中央に形成された内周凹部は縦断面で見て単一半径の曲面に成る凹曲面の形状に形成され,且つ前記凹曲面の底直径が前記ころのピッチ円直径より大きく形成されて,前記柱部は両端の厚肉部と該厚肉部間の漸減肉部から形成され,前記保持器の前記内周面を前記凹曲面に形成することにより転造加工が可能に且つ軽量化が可能に構成され,
前記柱部には,前記厚肉部と前記厚肉部に隣接する前記漸減肉部の一部との前記柱部の円周方向両側面が前記ころを案内するころ案内部に形成され,前記柱部の軸方向中央の円周方向両側に前記ポケットの一部を拡幅する拡幅部が形成され,且つ前記ころの外側への脱落を防止する外側保持爪が前記厚肉部に形成され,前記外側保持爪の外周側は前記保持器の前記外周面と面一に形成されていることを特徴とする保持器付きころに関する。
2 ころ
3 円環部
4 柱部
5 ポケット
6 外側保持爪
7,7A,7B 内側保持爪
9 外周面
10 ころ案内部
11 内周面
12 内周凹部
13 角部
14,28 転造加工品
18,20 凹曲面
19 曲面
21,42 内周突起
26 厚肉部
27 漸減肉部
43 カシメ溝
d1,ds 底直径
P.C.D. ピッチ円直径
L 直線
R,Rk,Rs 凹曲面の単一半径
R1,Rt 複合の凹曲面の単一半径
Claims (1)
- 軸方向に隔置して周方向に平行に延びる両端の円環部と該円環部間で周方向に隔置してそれぞれ延びる前記円環部と一体構造の柱部とから構成されている保持器,及び前記柱部間に形成されたポケットにそれぞれ収容されたころから成るエンジンのコネクティングロッドの大端部に適用される保持器付きころにおいて,
前記保持器は,外周面が軸方向に面一に形成され,前記コネクティングロッドの前記大端部の内周面と前記柱部の前記外周面との面当たりを前記軸方向に沿って一様にするために,前記保持器の内周面の前記軸方向の中央に形成された内周凹部は縦断面で見て単一半径の曲面に成る凹曲面の形状に形成され,且つ前記凹曲面の底直径が前記ころのピッチ円直径より大きく形成されて,前記柱部は両端の厚肉部と該厚肉部間の漸減肉部から形成され,前記保持器の前記内周面を前記凹曲面に形成することにより転造加工が可能に且つ軽量化が可能に構成され,
前記柱部には,前記厚肉部と前記厚肉部に隣接する前記漸減肉部の一部との前記柱部の円周方向両側面が前記ころを案内するころ案内部に形成され,前記柱部の軸方向中央の円周方向両側に前記ポケットの一部を拡幅する拡幅部が形成され,且つ前記ころの外側への脱落を防止する外側保持爪が前記厚肉部に形成され,前記外側保持爪の外周側は前記保持器の前記外周面と面一に形成されていることを特徴とする保持器付きころ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004246396A JP4464767B2 (ja) | 2004-02-23 | 2004-08-26 | 保持器付きころ |
TW94103506A TWI251057B (en) | 2004-08-26 | 2005-02-04 | Roller bearing cage and method of producing the same |
US11/055,632 US7252436B2 (en) | 2004-02-23 | 2005-02-11 | Roller bearing cage and method of producing the same |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004045814 | 2004-02-23 | ||
JP2004246396A JP4464767B2 (ja) | 2004-02-23 | 2004-08-26 | 保持器付きころ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005273897A JP2005273897A (ja) | 2005-10-06 |
JP2005273897A5 JP2005273897A5 (ja) | 2006-07-20 |
JP4464767B2 true JP4464767B2 (ja) | 2010-05-19 |
Family
ID=34863510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004246396A Active JP4464767B2 (ja) | 2004-02-23 | 2004-08-26 | 保持器付きころ |
Country Status (2)
Country | Link |
---|---|
US (1) | US7252436B2 (ja) |
JP (1) | JP4464767B2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3984972B2 (ja) * | 2004-05-13 | 2007-10-03 | 日本トムソン株式会社 | ころ軸受およびその保持器の製造方法 |
US7611289B2 (en) * | 2004-09-24 | 2009-11-03 | Ntn Corporation | Rollers with retainer |
JP2007010026A (ja) * | 2005-06-30 | 2007-01-18 | Ntn Corp | 円筒ころ軸受及び円筒ころ軸受用保持器 |
DE102007048655A1 (de) * | 2007-10-10 | 2008-02-07 | Schaeffler Kg | Käfigsegment eines Kunststoffkäfigs sowie Wälzlager mit dem Kunststoffkäfig |
JP5189427B2 (ja) * | 2008-07-17 | 2013-04-24 | Ntn株式会社 | 転がり軸受用保持器および転がり軸受 |
JP5703940B2 (ja) | 2011-04-28 | 2015-04-22 | トヨタ紡織株式会社 | 転がり軸受の加工方法及び加工装置 |
DE102012101651A1 (de) * | 2012-02-29 | 2013-08-29 | Thyssenkrupp Rothe Erde Gmbh | Verfahren zur Herstellung eines Wälzlagerkäfigs für ein Axial-Radial-Wälzlager sowie Axial-Radial-Wälzlager |
USD809033S1 (en) * | 2015-12-28 | 2018-01-30 | Ntn Corporation | Retainer for rolling bearing |
CN116586925B (zh) * | 2023-07-19 | 2023-09-19 | 山东金帝精密机械科技股份有限公司 | 一种基于图像的大型轴承保持器生产方法、设备及介质 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5540506A (en) * | 1993-02-25 | 1996-07-30 | Nippon Thompson Co., Ltd. | Roller and cage assembly |
JP3668274B2 (ja) | 1995-02-08 | 2005-07-06 | 日本トムソン株式会社 | 保持器付きころ |
JP3735160B2 (ja) | 1995-12-28 | 2006-01-18 | Ntn株式会社 | 針状ころ軸受用保持器およびその製造方法 |
JPH09242763A (ja) | 1996-03-12 | 1997-09-16 | Nippon Seiko Kk | 転がり軸受の製造方法 |
DE29720767U1 (de) * | 1997-11-22 | 1998-01-15 | Skf Gmbh, 97421 Schweinfurt | Massivkäfig für Rollenlager |
JP4527912B2 (ja) * | 2001-09-19 | 2010-08-18 | 日本トムソン株式会社 | 保持器付きころ |
-
2004
- 2004-08-26 JP JP2004246396A patent/JP4464767B2/ja active Active
-
2005
- 2005-02-11 US US11/055,632 patent/US7252436B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
JP2005273897A (ja) | 2005-10-06 |
US7252436B2 (en) | 2007-08-07 |
US20050185874A1 (en) | 2005-08-25 |
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