JP4466045B2 - 車輪支持用ハブユニットの製造方法 - Google Patents
車輪支持用ハブユニットの製造方法 Download PDFInfo
- Publication number
- JP4466045B2 JP4466045B2 JP2003379244A JP2003379244A JP4466045B2 JP 4466045 B2 JP4466045 B2 JP 4466045B2 JP 2003379244 A JP2003379244 A JP 2003379244A JP 2003379244 A JP2003379244 A JP 2003379244A JP 4466045 B2 JP4466045 B2 JP 4466045B2
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- JP
- Japan
- Prior art keywords
- inner ring
- cylindrical portion
- hub unit
- caulking
- caulking portion
- 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 - Fee Related
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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
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/063—Fixing them on the shaft
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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
- 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
- F16C19/38—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 two or more rows of rollers
- F16C19/383—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone
- F16C19/385—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
- F16C19/386—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 two or more rows of rollers with tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mounting Of Bearings Or Others (AREA)
- Rolling Contact Bearings (AREA)
Description
特に、本発明の車輪支持用ハブユニットの製造方法の場合には、上記かしめ部を形成する前の状態での上記円筒部の内周面を、上記軸部材の一端側に向かう程その内径寸法が大きくなる方向に傾斜した部分円すい状凹面とし、且つ、上記かしめ部を形成すべく上記円筒部を塑性変形させる作業を、この円筒部のうちで、この円筒部の先端縁から、上記内輪の一端面と内周面との間に存在する面取り部よりもこの円筒部の基端側に寄った部分までの範囲を、局部的に加熱した状態で行なう。
従って、本発明の場合には、上記円筒部に損傷が生じるのを有効に防止しつつ、上記かしめ部の形成作業を効率良く行なえる。
従って、本発明の場合には、上述の様にかしめ部の形成作業を効率良く行なえるだけでなく、このかしめ部による内輪の抑え付け力を十分に確保できる。
従って、本発明の場合には、車輪支持用ハブユニットの部品点数を増やす事なく、転動体に付与した予圧を適正値に維持し易くできると共に、上記内輪に過大な内部応力が発生する事を防止できる。この結果、車輪支持用ハブユニットの組立作業を容易に行なえると共に、この車輪支持用ハブユニットの耐久性を十分に確保する事ができる。又、この車輪支持用ハブユニットの小型、軽量化も図り易くなる。
この様にすれば、上記かしめ部の形成後、このかしめ部が冷却されて熱収縮する際に、このかしめ部の軸方向に関する熱収縮代を上記内輪の一端面を抑え付ける力に変換できるだけでなく、このかしめ部の径方向に関する熱収縮代を、上記円すい凸面部を介して上記内輪の一端面を抑え付ける力に変換する事ができる。従って、この場合には、上記かしめ部による上記内輪の抑え付け力を、より十分に確保する事ができる。更には、上記かしめ部が上記円すい凸面部を抑え付ける事によって、このかしめ部から上記内輪に径方向内方に向く力が加わる為、この径方向内方に向く力により、上記かしめ部の形成時に円筒部から上記内輪に加わった径方向外方に向く力を緩和できる。
この様に傾斜角度θの値を規制する理由は、この傾斜角度θが小さ過ぎると、上記円すい凸面部を通じて上記内輪に加わる径方向内方に向く力を十分に得られなくなり、上記かしめ部の形成時にこの内輪に加わった径方向外方に向く力を緩和する効果が期待できなくなる為である。又、反対に、上記傾斜角度θが大き過ぎると、上記かしめ部の形成時にこのかしめ部に亀裂等の損傷が発生し易くなり、発生した場合には、このかしめ部による抑え付け力を十分に確保できなくなる為である。
その他、この様な車輪支持用ハブユニット1eを構成するかしめ部11の形成方法、並びに、この結果生じる作用・効果は、上述した実施例2の場合と同様である。
2、2a〜2c ハブ
3、3a、3b 内輪
4、4a、4b 外輪
5 転動体
6 フランジ
7a、7b、7a′、7b′ 内輪軌道
8 小径段部
9 段差面
10 円筒部
11 かしめ部
12 取付部
13a、13b、13a′、13b′ 外輪軌道
14 軸部材
15 スプライン孔
16 間座
17 面取り部
18 円すい凸面部
19 内輪
Claims (2)
- 軸部材の一端部に設けた小径段部に内輪を外嵌すると共に、この内輪の一端面を、この軸部材の一端部に設けた円筒部のうちこの内輪の一端面から突出した部分を径方向外方に塑性変形させて形成したかしめ部により抑え付ける事で、上記内輪を上記軸部材に結合固定している車輪支持用ハブユニットの製造方法であって、上記かしめ部を形成する前の状態での上記円筒部の内周面を、上記軸部材の一端側に向かう程その内径寸法が大きくなる方向に傾斜した部分円すい状凹面とし、且つ、上記かしめ部を形成すべく上記円筒部を塑性変形させる作業を、この円筒部のうちで、この円筒部の先端縁から、上記内輪の一端面と内周面との間に存在する面取り部よりもこの円筒部の基端側に寄った部分までの範囲を、局部的に加熱した状態で行なう車輪支持用ハブユニットの製造方法。
- 製造すべき車輪支持用ハブユニットが、内輪の一端面に径方向内方に向かう程軸方向に突出する方向に傾斜した円すい凸面部を有し、且つ、この円すい凸面部をかしめ部により抑え付けているものである、請求項1に記載した車輪支持用ハブユニットの製造方法。
Priority Applications (1)
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JP2003379244A JP4466045B2 (ja) | 2003-11-10 | 2003-11-10 | 車輪支持用ハブユニットの製造方法 |
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JP2003379244A JP4466045B2 (ja) | 2003-11-10 | 2003-11-10 | 車輪支持用ハブユニットの製造方法 |
Publications (2)
Publication Number | Publication Date |
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JP2005140291A JP2005140291A (ja) | 2005-06-02 |
JP4466045B2 true JP4466045B2 (ja) | 2010-05-26 |
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JP2003379244A Expired - Fee Related JP4466045B2 (ja) | 2003-11-10 | 2003-11-10 | 車輪支持用ハブユニットの製造方法 |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2012197932A (ja) * | 2011-03-07 | 2012-10-18 | Jtekt Corp | 車輪用転がり軸受装置の製造方法 |
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- 2003-11-10 JP JP2003379244A patent/JP4466045B2/ja not_active Expired - Fee Related
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