JP4156623B2 - 超薄肉形転がり軸受およびその保持器 - Google Patents
超薄肉形転がり軸受およびその保持器 Download PDFInfo
- Publication number
- JP4156623B2 JP4156623B2 JP2005378703A JP2005378703A JP4156623B2 JP 4156623 B2 JP4156623 B2 JP 4156623B2 JP 2005378703 A JP2005378703 A JP 2005378703A JP 2005378703 A JP2005378703 A JP 2005378703A JP 4156623 B2 JP4156623 B2 JP 4156623B2
- Authority
- JP
- Japan
- Prior art keywords
- circumferential
- segment
- fitting
- bearing
- radial
- 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.)
- Expired - Lifetime
Links
- 238000005096 rolling process Methods 0.000 title claims description 28
- 230000008878 coupling Effects 0.000 claims description 26
- 238000010168 coupling process Methods 0.000 claims description 26
- 238000005859 coupling reaction Methods 0.000 claims description 26
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 239000011347 resin Substances 0.000 claims description 8
- 229920005989 resin Polymers 0.000 claims description 8
- 230000013011 mating Effects 0.000 claims description 2
- 235000013372 meat Nutrition 0.000 claims description 2
- 238000007668 thin rolling process Methods 0.000 claims description 2
- 230000036316 preload Effects 0.000 description 15
- 238000003825 pressing Methods 0.000 description 6
- 238000000465 moulding Methods 0.000 description 3
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 0 CC(C)C1C(*)CCC1 Chemical compound CC(C)C1C(*)CCC1 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000007819 coupling partner Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Images
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
- F16C33/38—Ball cages
- F16C33/3812—Ball cages formed of interconnected segments, e.g. chains
-
- 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
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
- F16C19/184—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
-
- 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
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
- F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb 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
- F16C2300/00—Application independent of particular apparatuses
- F16C2300/10—Application independent of particular apparatuses related to size
- F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm
-
- 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
- F16C2316/00—Apparatus in health or amusement
- F16C2316/10—Apparatus in health or amusement in medical appliances, e.g. in diagnosis, dentistry, instruments, prostheses, medical imaging appliances
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
- Apparatus For Radiation Diagnosis (AREA)
Description
2 内方部材
3 転動体(ボール)
4 保持器
6 押え部材
40 セグメント
44a 円周方向嵌合部
44b 円周方向嵌合部
45a 半径方向嵌合部
45b 半径方向嵌合部
A 結合部
B 結合部
t 軸方向隙間
dB ボール径
PCD ピッチ円径
S 予圧付与手段
Claims (3)
- 外方部材と、
外方部材の内周側に配置した内方部材と、
内方部材および外方部材間に介装され、ピッチ円径との比が0.03以下の径で形成された複数の転動体と、
各転動体を保持する複数のポケットを有し、複数の樹脂製セグメントを結合して環状に形成され、各セグメントの隣り合うセグメントとの結合部に、円周方向で相手側と凹凸係合する凹凸何れかの形状からなる円周方向嵌合部と、セグメントの内周面および外周面から離隔した半径方向一部領域に形成された突起とこの突起に適合する凹部の何れかからなり、内・外径双方の半径方向で相手側と凹凸係合する半径方向嵌合部とが設けられ、各結合部で、円周方向嵌合部の軸方向両側に円周方向嵌合部と独立して半径方向嵌合部を配した保持器とを具備することを特徴とする超薄肉形転がり軸受。 - 上記外方部材および内方部材のうちの何れか一方が、被写体の周囲を回転するCTスキャナ装置の回転架台に、他方が当該装置の固定架台にそれぞれ固定されている請求項1記載の超薄肉形転がり軸受。
- 転動体径とピッチ円径との比が0.03以下の超薄型転がり軸受に使用され、転動体を保持する複数のポケットを備える保持器であって、
樹脂製の複数のセグメントを結合して環状に形成され、各セグメントの隣り合うセグメントとの結合部に、円周方向で相手側と凹凸係合する凹凸何れかの形状からなる円周方向嵌合部と、セグメントの内周面および外周面から離隔した半径方向一部領域に形成された突起とこの突起に適合する凹部の何れかからなり、内・外径双方の半径方向で相手側と凹凸係合する半径方向嵌合部とが設けられ、各結合部で、円周方向嵌合部の軸方向両側に円周方向嵌合部と独立して半径方向嵌合部を配したことを特徴とする超薄肉形転がり軸受用保持器。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005378703A JP4156623B2 (ja) | 2005-12-28 | 2005-12-28 | 超薄肉形転がり軸受およびその保持器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005378703A JP4156623B2 (ja) | 2005-12-28 | 2005-12-28 | 超薄肉形転がり軸受およびその保持器 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP14026799A Division JP3892989B2 (ja) | 1999-05-20 | 1999-05-20 | 超薄肉形転がり軸受およびその保持器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2006177559A JP2006177559A (ja) | 2006-07-06 |
JP4156623B2 true JP4156623B2 (ja) | 2008-09-24 |
Family
ID=36731823
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2005378703A Expired - Lifetime JP4156623B2 (ja) | 2005-12-28 | 2005-12-28 | 超薄肉形転がり軸受およびその保持器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4156623B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008029796A1 (fr) | 2006-09-08 | 2008-03-13 | Ntn Corporation | Roulement à rouleaux, segment d'arrêt pour roulement à rouleaux de support d'arbre d'aéromoteur, et une structure de support d'arbre d'aéromoteur |
US9623474B2 (en) | 2012-05-16 | 2017-04-18 | Aktiebolaget Skf | Split bearing cage for rolling element bearing |
-
2005
- 2005-12-28 JP JP2005378703A patent/JP4156623B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP2006177559A (ja) | 2006-07-06 |
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