JP2005297728A - 駆動輪用転がり軸受ユニットの製造方法及びその製造装置 - Google Patents
駆動輪用転がり軸受ユニットの製造方法及びその製造装置 Download PDFInfo
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Abstract
【解決手段】 ハブ3を把持する為の把持手段28を構成する各把持部材29、29を、小径段部15の径方向内方に変位させ、素孔25の軸方向内端部内周面を、この小径段部15に内輪を締り嵌めで外嵌固定する事に基づいて弾性変形するのと同じ若しくはそれよりも僅かに大きく弾性変形させる。この状態で、上記素孔25にスプライン孔を構成する為の雌スプライン部を形成する。
【選択図】 図4
Description
このうちの外輪は、外周面に懸架装置に結合固定する為の第一のフランジを、内周面に複列の外輪軌道を、それぞれ有するものである。
又、上記ハブは、中心部にスプライン孔を、外周面の軸方向外端寄り部分に駆動輪を支持固定する為の第二のフランジを、外周面の軸方向中間部に第一の内輪軌道を、外周面の軸方向内端寄り部分に嵌合円筒面部を、それぞれ有するものである。
又、上記内輪は、外周面に第二の内輪軌道を有し、上記嵌合円筒部に締り嵌めで外嵌固定されたものである。
又、上記各転動体は、上記複列の外輪軌道と上記第一、第二の内輪軌道との間に、それぞれ複数個ずつ転動自在に設けられている。
尚、上記スプライン孔の内端部内周面の弾性変形量は、上記把持手段のうちで上記嵌合円筒面部を把持する部分の内径寸法を規制する事により、容易に調節できる。
この様に構成すれば、単純な構造で、上記嵌合円筒面部の外周面に径方向内方に向かう荷重を、この嵌合円筒面部の周方向に亙り均等に加える事ができ、スプライン孔の軸方向内端部内周面の弾性変形量を所望の状態に規制し易くできる。
又、上記ハブ3に施す熱処理は、上記雌スプライン部の形成前に行なえば、この雌スプライン部を熱処理変形のないものとできるが、この雌スプライン部を形成した後に熱処理を施しても良い。
尚、前述した各実施例の説明は、雌スプライン部を形成する際のスプライン孔17の内周面の弾性変形量を、内輪4(1対の内輪4、4a)の締り嵌めに基づく変形量と、かしめ部24の形成に伴う変形量とをそれぞれ別にして規制した場合を例に説明した。但し、必要に応じて、これら内輪4(1対の内輪4、4a)の締り嵌めに基づく変形量と、かしめ部24の形成に伴う変形量との両方を考慮して規制する事も好ましい。
2 外輪
3、3a ハブ
4、4a 内輪
5、5a 転動体
6 第一のフランジ
7 ナックル
8、8a 外輪軌道
9 ホイール
10 ディスク
11 第二のフランジ
12 スタッド
13 ナット
14、14a 第一の内輪軌道
15、15a、15b 小径段部
16、16a 第二の内輪軌道
17 スプライン孔
18 等速ジョイント
19 スプライン軸
20 雄ねじ部
21 ナット
22 等速ジョイント用外輪
23 円筒部
24 かしめ部
25 素孔
26 治具
27 加工装置
28 把持手段
29 把持部材
30 駆動手段
31 内側面
32 テーパ面部
33 貫通孔
34 ねじ孔
Claims (5)
- 外輪と、ハブと、内輪と、複数の転動体とを備え、このうちの外輪は、外周面に懸架装置に結合固定する為の第一のフランジを、内周面に複列の外輪軌道を、それぞれ有するものであり、上記ハブは、中心部にスプライン孔を、外周面の軸方向外端寄り部分に駆動輪を支持固定する為の第二のフランジを、外周面の軸方向中間部に第一の内輪軌道を、外周面の軸方向内端寄り部分に嵌合円筒面部を、それぞれ有するものであり、上記内輪は、外周面に第二の内輪軌道を有し、上記嵌合円筒部に締り嵌めで外嵌固定されたものであり、上記各転動体は、上記複列の外輪軌道と上記第一、第二の内輪軌道との間に、それぞれ複数個ずつ転動自在に設けられているものである駆動輪用転がり軸受ユニットの製造方法であって、上記嵌合円筒面部に上記内輪を締り嵌めで外嵌固定するのに先立ち、この嵌合円筒面部を把持手段により把持すると共に、この把持手段のうちでこの嵌合円筒面部を把持した部分の内径をこの嵌合円筒面部の自由状態での外径よりも縮径する事により、上記スプライン孔の軸方向内端部内周面を径方向内方に弾性変形させた状態で、このスプライン孔を構成する為の雌スプライン部を形成した後、上記把持した部分の内径を上記嵌合円筒面部の外径よりも拡径する事により上記弾性変形を解除してから、この嵌合円筒面部に内輪を締り嵌めで外嵌固定する、駆動輪用転がり軸受ユニットの製造方法。
- スプライン孔の内端部内周面を、嵌合円筒面部に内輪を締り嵌めで外嵌固定する事に基づいて弾性変形するのと同じ若しくはそれよりも僅かに大きく弾性変形させる、請求項1に記載した駆動輪用転がり軸受ユニットの製造方法。
- 第一の内輪軌道が、嵌合円筒面部に締り嵌めで外嵌固定した別の内輪の外周面に設けられたものである、請求項1〜2の何れかに記載した駆動輪用転がり軸受ユニットの製造方法。
- 外輪と、ハブと、内輪と、複数の転動体とを備え、このうちの外輪は、外周面に懸架装置に結合固定する為の第一のフランジを、内周面に複列の外輪軌道を、それぞれ有するものであり、上記ハブは、中心部にスプライン孔を、外周面の軸方向外端寄り部分に駆動輪を支持固定する為の第二のフランジを、外周面の軸方向中間部に第一の内輪軌道を、外周面の軸方向内端寄り部分に嵌合円筒面部を、それぞれ有するものであり、上記内輪は、外周面に第二の内輪軌道を有し、上記嵌合円筒部に締り嵌めで外嵌固定されたものであり、上記各転動体は、上記複列の外輪軌道と上記第一、第二の内輪軌道との間に、それぞれ複数個ずつ転動自在に設けられているものである駆動輪用転がり軸受ユニットの製造装置であって、上記嵌合円筒面部を把持自在で、且つ、この嵌合円筒面部を把持する部分の内径をこの嵌合円筒面部の自由状態での外径よりも拡径並びに縮径自在とした把持手段と、上記スプライン孔を構成する為の雌スプライン部を形成する為の切削手段とを備え、上記嵌合円筒面部を上記把持手段により把持すると共に、この把持手段のうちでこの嵌合円筒面部を把持した部分の内径をこの嵌合円筒面部の自由状態での外径よりも縮径する事により、上記スプライン孔の軸方向内端部内周面を径方向内方に弾性変形させた状態で、上記切削手段により上記雌スプライン部を形成する、駆動輪用転がり軸受ユニットの製造装置。
- 把持手段は、嵌合円筒面部の径方向に変位自在の複数の把持部材を、この嵌合円筒面部の円周方向に等間隔に設けており、これら各把持部材をこの嵌合円筒面部の径方向に変位させる事により、上記把持手段のうちのこの嵌合円筒面部を把持する部分の内径を、この嵌合円筒面部の自由状態での外径よりも拡径並びに縮径自在とした、請求項3に記載した駆動輪用転がり軸受ユニットの製造装置。
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JP4904980B2 (ja) | 2006-08-14 | 2012-03-28 | 株式会社ジェイテクト | 車軸用軸受装置 |
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JP2013159137A (ja) * | 2012-02-01 | 2013-08-19 | Ntn Corp | 車輪用軸受装置 |
JP5867121B2 (ja) * | 2012-02-02 | 2016-02-24 | 株式会社ジェイテクト | 車輪支持装置 |
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CN107035776A (zh) * | 2017-05-04 | 2017-08-11 | 泰州市众擎金属制品有限公司 | 一种内法兰盘 |
JP7441609B2 (ja) * | 2019-03-25 | 2024-03-01 | Ntn株式会社 | 車輪用軸受装置 |
DE102019130321B4 (de) * | 2019-11-11 | 2022-04-14 | Audi Ag | Radlagereinheit für ein Kraftfahrzeug sowie Verfahren zum Herstellen einer Radlagereinheit |
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