JP2009068677A - 保持器付き針状ころ用保持器および保持器付き針状ころ - Google Patents
保持器付き針状ころ用保持器および保持器付き針状ころ Download PDFInfo
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- JP2009068677A JP2009068677A JP2007240988A JP2007240988A JP2009068677A JP 2009068677 A JP2009068677 A JP 2009068677A JP 2007240988 A JP2007240988 A JP 2007240988A JP 2007240988 A JP2007240988 A JP 2007240988A JP 2009068677 A JP2009068677 A JP 2009068677A
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- Prior art keywords
- cage
- needle roller
- pmin
- depth
- 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
- 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
- F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
- F16C33/542—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal
- F16C33/543—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from a single part
- F16C33/546—Cages for rollers or needles made from wire, strips, or sheet metal made from sheet metal from a single part with a M- or W-shaped cross section
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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
- F16C33/54—Cages for rollers or needles made from wire, strips, or sheet metal
- F16C33/541—Details of individual pockets, e.g. shape or roller retaining means
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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
- 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
- F16C2361/00—Apparatus or articles in engineering in general
- F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
- Rolling Contact Bearings (AREA)
Abstract
【解決手段】保持器付き針状ころ用保持器14は、軸方向に離間した一対の環状部16と、円周方向に所定間隔で位置し環状部どうしを連結する柱部18とからなり、隣り合った柱部18間に、四隅に円周方向に陥入したぬすみ22を設けたポケット20を形成し、ポケット20のぬすみ深さd1と最小柱幅Pminを、式Pmin/5 ≦ d1 ≦ Pmin/3が成立するように設定し、かつ、ぬすみ深さd1とぬすみの曲率半径Rを、式d ≦ R ≦ 2d1が成立するように設定してある。
【選択図】図1
Description
保持器付き針状ころ(needle roller and cage assembly)は、針状ころを保持器に分離しないように組み付けたもので、ラジアル形とスラスト形があるが、ここではラジアル形を対象とする。
そこで、この発明の目的は、保持器付き針状ころの保持器の高速回転下における耐久性を向上させることにある。
d1 ≦ R ≦ 2d1 …(1)
Pmin/5 ≦ d1 ≦ Pmin/3 …(2)
12 針状ころ
14 保持器
16 環状部
18 柱部
20 ポケット
22 ぬすみ
24 ぬすみ
Claims (5)
- 軸方向に離間した一対の環状部と、円周方向に所定間隔で位置し前記環状部どうしを連結する柱部とからなり、隣り合った柱部間に、四隅に円周方向に陥入したぬすみを設けたポケットを形成した保持器であって、前記ポケットのぬすみ深さd1と最小柱幅Pminを、式Pmin/5 ≦ d1 ≦ Pmin/3が成立するように設定し、かつ、ぬすみ深さd1とぬすみの曲率半径Rを、式d1 ≦ R ≦ 2d1が成立するように設定した保持器付き針状ころ用保持器。
- 請求項1の保持器を有する保持器付き針状ころ。
- 針状ころの端面がF端面である請求項2の保持器付き針状ころ。
- 針状ころの直径が5mm以下である請求項3の保持器付き針状ころ。
- トランスミッション用遊星歯車装置用である請求項2から4のいずれか1項の保持器付き針状ころ。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007240988A JP5128216B2 (ja) | 2007-09-18 | 2007-09-18 | 保持器付き針状ころ用保持器および保持器付き針状ころ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007240988A JP5128216B2 (ja) | 2007-09-18 | 2007-09-18 | 保持器付き針状ころ用保持器および保持器付き針状ころ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009068677A true JP2009068677A (ja) | 2009-04-02 |
JP5128216B2 JP5128216B2 (ja) | 2013-01-23 |
Family
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JP2007240988A Active JP5128216B2 (ja) | 2007-09-18 | 2007-09-18 | 保持器付き針状ころ用保持器および保持器付き針状ころ |
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JP (1) | JP5128216B2 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014054376A1 (ja) | 2012-10-05 | 2014-04-10 | Ntn株式会社 | 保持器付き針状ころ |
JP2017058022A (ja) * | 2016-12-26 | 2017-03-23 | Ntn株式会社 | 遊星歯車の支持構造 |
WO2018164014A1 (ja) * | 2017-03-06 | 2018-09-13 | Ntn株式会社 | 保持器付き針状ころおよびそれを備えた遊星歯車機構支持構造 |
JP2018146042A (ja) * | 2017-03-06 | 2018-09-20 | Ntn株式会社 | 保持器付き針状ころおよびそれを備えた遊星歯車機構支持構造 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11108065A (ja) * | 1997-08-06 | 1999-04-20 | Ntn Corp | 針状ころ軸受 |
JP2002242938A (ja) * | 2001-02-16 | 2002-08-28 | Nsk Ltd | ころ軸受用保持器 |
-
2007
- 2007-09-18 JP JP2007240988A patent/JP5128216B2/ja active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11108065A (ja) * | 1997-08-06 | 1999-04-20 | Ntn Corp | 針状ころ軸受 |
JP2002242938A (ja) * | 2001-02-16 | 2002-08-28 | Nsk Ltd | ころ軸受用保持器 |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014054376A1 (ja) | 2012-10-05 | 2014-04-10 | Ntn株式会社 | 保持器付き針状ころ |
JP2014074471A (ja) * | 2012-10-05 | 2014-04-24 | Ntn Corp | 保持器付き針状ころ |
CN104662313A (zh) * | 2012-10-05 | 2015-05-27 | Ntn株式会社 | 带有保持器的滚针组件 |
KR20150060766A (ko) | 2012-10-05 | 2015-06-03 | 엔티엔 가부시키가이샤 | 유지기가 부착된 니들 롤러 |
EP2905488A4 (en) * | 2012-10-05 | 2016-03-02 | Ntn Toyo Bearing Co Ltd | NEEDLE ROLLERS WITH HOLDER |
US9618041B2 (en) | 2012-10-05 | 2017-04-11 | Ntn Corporation | Needle roller and cage assembly |
KR102078048B1 (ko) * | 2012-10-05 | 2020-02-17 | 엔티엔 가부시키가이샤 | 유지기가 부착된 니들 롤러 |
JP2017058022A (ja) * | 2016-12-26 | 2017-03-23 | Ntn株式会社 | 遊星歯車の支持構造 |
WO2018164014A1 (ja) * | 2017-03-06 | 2018-09-13 | Ntn株式会社 | 保持器付き針状ころおよびそれを備えた遊星歯車機構支持構造 |
JP2018146042A (ja) * | 2017-03-06 | 2018-09-20 | Ntn株式会社 | 保持器付き針状ころおよびそれを備えた遊星歯車機構支持構造 |
Also Published As
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JP5128216B2 (ja) | 2013-01-23 |
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