JP4321714B2 - 車輪用軸受装置 - Google Patents
車輪用軸受装置 Download PDFInfo
- Publication number
- JP4321714B2 JP4321714B2 JP2004233003A JP2004233003A JP4321714B2 JP 4321714 B2 JP4321714 B2 JP 4321714B2 JP 2004233003 A JP2004233003 A JP 2004233003A JP 2004233003 A JP2004233003 A JP 2004233003A JP 4321714 B2 JP4321714 B2 JP 4321714B2
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- Prior art keywords
- inner ring
- wheel
- bearing
- caulking
- rolling
- Prior art date
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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
- F16C43/00—Assembling bearings
- F16C43/04—Assembling rolling-contact bearings
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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
- F16C19/02—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
- F16C19/186—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 with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
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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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Description
図1は、本発明に係る車輪用軸受装置の一実施形態を示す縦断面図である。なお、以下の説明では、車両に組み付けた状態で車両の外側寄りとなる側をアウトボード側(図面左側)、中央寄り側をインボード側(図面右側)という。
内方部材1は、ハブ輪2と、このハブ輪2に所定のシメシロを介して圧入された内輪3とからなる。
2・・・・・・・・・ハブ輪
2a、3a・・・・・内側転走面
2b・・・・・・・・小径段部
2c・・・・・・・・加締部
3・・・・・・・・・内輪
4・・・・・・・・・車輪取付フランジ
5・・・・・・・・・ハブボルト
6・・・・・・・・・転動体
7・・・・・・・・・保持器
8、9・・・・・・・シール
10・・・・・・・・外方部材
10a・・・・・・・外側転走面
10b・・・・・・・車体取付フランジ
51・・・・・・・・ハブ輪
51a、52a・・・内側転走面
51b・・・・・・・小径段部
51c・・・・・・・加締部
52・・・・・・・・内輪
52b・・・・・・・大端面
53・・・・・・・・外輪
53a・・・・・・・外側転走面
53b・・・・・・・車体取付フランジ
54・・・・・・・・転動体
55・・・・・・・・車輪取付フランジ
56・・・・・・・・円筒部
a・・・・・・・・・すきま減少係数
A・・・・・・・・・内輪の肩部厚さ
An・・・・・・・・内輪内径断面積
As・・・・・・・・内輪肩部断面積
At・・・・・・・・タッチ径部断面積
B・・・・・・・・・内輪の幅寸法
d・・・・・・・・・内輪の内径寸法
dt・・・・・・・・内輪のタッチ径
D・・・・・・・・・内輪の外径寸法
Pt・・・・・・・・タッチ部ピッチ長さ
α・・・・・・・・・内輪寸法比率
Claims (3)
- 内周に複列の外側転走面が形成された外方部材と、
一端部に車輪取付フランジを一体に有し、この車輪取付フランジから軸方向に延びる小径段部が形成されたハブ輪、
およびこのハブ輪の小径段部に圧入され、外周に前記複列の外側転走面に対向する少なくとも一方の内側転走面が形成された内輪とからなる内方部材と、
この内方部材と前記外方部材の両転走面間に保持器を介して転動自在に収容された複列の転動体とを備え、
前記小径段部の端部を径方向外方に塑性変形させて形成した加締部により前記内輪が前記ハブ輪に対して軸方向に固定された車輪用軸受装置において、
前記内輪における肩部断面積をAs、タッチ径部断面積をAt、タッチ部ピッチ長さをPt、内径断面積をAn、幅寸法をBとした時、当該内輪の寸法比率αが、α=(As×At×Pt)/(An×B)で規定され、この寸法比率に対する予め設定された前記加締加工による前記軸受のすきま減少係数との関係式に基き、前記軸受のすきま減少量をコントロールしたことを特徴とする車輪用軸受装置。 - 前記内輪寸法比率αが240〜530の範囲に設定されている請求項1に記載の車輪用軸受装置。
- 前記ハブ輪が、炭素0.40〜0.80重量%を含む中炭素鋼からなり、外周に前記複列の外側転走面に対向する一方の内側転走面が直接形成され、この内側転走面から前記小径段部に亙り高周波焼入れによって表面硬さを58〜64HRCの範囲に硬化処理され、前記加締部が鍛造後の素材表面硬さ25HRC以下の未焼入れ部とされると共に、他方の内側転走面が前記内輪の外周面に形成され、この内輪が高炭素クロム軸受鋼からなり、ズブ焼入れにより芯部まで58〜64HRCの範囲で硬化処理されている請求項1または2に記載の車輪用軸受装置。
Priority Applications (1)
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JP2004233003A JP4321714B2 (ja) | 2004-08-10 | 2004-08-10 | 車輪用軸受装置 |
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JP2004233003A JP4321714B2 (ja) | 2004-08-10 | 2004-08-10 | 車輪用軸受装置 |
Publications (2)
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JP2006052754A JP2006052754A (ja) | 2006-02-23 |
JP4321714B2 true JP4321714B2 (ja) | 2009-08-26 |
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JP2004233003A Active JP4321714B2 (ja) | 2004-08-10 | 2004-08-10 | 車輪用軸受装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110185710A (zh) * | 2019-05-20 | 2019-08-30 | 杭州雷迪克节能科技股份有限公司 | 轮毂轴承单元游隙控制方法的研究 |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4521878B2 (ja) * | 2006-03-02 | 2010-08-11 | Ntn株式会社 | 車輪用軸受装置 |
JP7290086B2 (ja) * | 2019-09-06 | 2023-06-13 | 日本精工株式会社 | ハブユニット軸受およびその製造方法 |
EP3974679B1 (en) * | 2020-09-28 | 2024-05-01 | Cie Automotive, S.A. | Mechanical actuator |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110185710A (zh) * | 2019-05-20 | 2019-08-30 | 杭州雷迪克节能科技股份有限公司 | 轮毂轴承单元游隙控制方法的研究 |
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