JP2012245946A5 - - Google Patents

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Publication number
JP2012245946A5
JP2012245946A5 JP2011121462A JP2011121462A JP2012245946A5 JP 2012245946 A5 JP2012245946 A5 JP 2012245946A5 JP 2011121462 A JP2011121462 A JP 2011121462A JP 2011121462 A JP2011121462 A JP 2011121462A JP 2012245946 A5 JP2012245946 A5 JP 2012245946A5
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JP
Japan
Prior art keywords
wheel
mounting flange
outer diameter
cold forging
wheel mounting
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.)
Pending
Application number
JP2011121462A
Other languages
Japanese (ja)
Other versions
JP2012245946A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2011121462A priority Critical patent/JP2012245946A/en
Priority claimed from JP2011121462A external-priority patent/JP2012245946A/en
Priority to PCT/JP2012/057139 priority patent/WO2012128278A1/en
Publication of JP2012245946A publication Critical patent/JP2012245946A/en
Publication of JP2012245946A5 publication Critical patent/JP2012245946A5/ja
Pending legal-status Critical Current

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Description

このように、一端部に車輪を取り付けるための車輪取付フランジと、この車輪取付フランジからアウター側に延びる円筒状のパイロット部を一体に有するハブ輪を備えた第３世代構造の車輪用軸受装置において、車輪取付フランジが円周方向複数に分割された複数の部分フランジで構成され、ハブ輪が炭素０．４０〜０．８０ｗｔ％を含む中高炭素鋼で形成され、熱間鍛造と冷間鍛造によって形成されて当該冷間鍛造が部分的に施されると共に、ハブ輪が、車輪取付フランジのインナー側の基部から小径段部に亙って高周波焼入れによって所定の硬化層が形成され、基部における当該硬化層の最大外径が、部分フランジ間の凹底部の外径よりも外径側になるように設定されているので、冷間鍛造の加工硬化による強度アップで軽量化することができる。 Thus, in the wheel bearing device of the third generation structure including the wheel mounting flange for mounting the wheel at one end portion and the hub wheel integrally including the cylindrical pilot portion extending from the wheel mounting flange to the outer side. The wheel mounting flange is composed of a plurality of partial flanges divided into a plurality of circumferential directions, and the hub wheel is formed of medium-high carbon steel containing 0.40 to 0.80 wt% of carbon, by hot forging and cold forging The cold forging is partially applied to the hub wheel, and a predetermined hardened layer is formed by induction quenching from the base portion on the inner side of the wheel mounting flange to the small diameter step portion. the maximum outer diameter of the hardened layer, since it is set such that the outer diameter side than the outer diameter of the concave bottom portion between the partial flange, turn into light intensity up by work hardening of the cold forging Rukoto It can be.

JP2011121462A 2011-03-22 2011-05-31 Bearing device for wheel and method of manufacturing the same Pending JP2012245946A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP2011121462A JP2012245946A (en) 2011-05-31 2011-05-31 Bearing device for wheel and method of manufacturing the same
PCT/JP2012/057139 WO2012128278A1 (en) 2011-03-22 2012-03-21 Bearing device for wheel and method of manufacturing same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2011121462A JP2012245946A (en) 2011-05-31 2011-05-31 Bearing device for wheel and method of manufacturing the same

Publications (2)

Publication Number Publication Date
JP2012245946A JP2012245946A (en) 2012-12-13
JP2012245946A5 true JP2012245946A5 (en) 2014-05-29

Family

ID=47466826

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2011121462A Pending JP2012245946A (en) 2011-03-22 2011-05-31 Bearing device for wheel and method of manufacturing the same

Country Status (1)

Country Link
JP (1) JP2012245946A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6101004B2 (en) * 2012-04-20 2017-03-22 Ntn株式会社 Wheel bearing device and manufacturing method thereof
KR101573023B1 (en) 2014-04-23 2015-11-30 주식회사 일진글로벌 A driving wheel bearing and manufacturing method thereof
CN111575448B (en) * 2020-06-16 2021-10-22 广西汇恒机械制造有限公司 Processing method of shaft
JP2022088768A (en) * 2020-12-03 2022-06-15 トヨタ自動車株式会社 Workpiece manufacturing method and manufacturing apparatus

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4649857B2 (en) * 2004-01-19 2011-03-16 Ｊｆｅスチール株式会社 Manufacturing method of hot forged products with excellent fatigue strength
JP2005314756A (en) * 2004-04-28 2005-11-10 Jfe Steel Kk Component for machine structure
JP2005337311A (en) * 2004-05-25 2005-12-08 Ntn Corp Bearing device for wheel
JP4581615B2 (en) * 2004-10-13 2010-11-17 日本精工株式会社 Wheel supporting hub unit, raceway member of wheel supporting hub unit, and manufacturing method thereof
JP2006142916A (en) * 2004-11-17 2006-06-08 Nsk Ltd Rolling bearing unit for supporting vehicle wheel
JP4997721B2 (en) * 2005-07-14 2012-08-08 Ｊｆｅスチール株式会社 Manufacturing method of hot forged products with excellent fatigue characteristics
JP4961778B2 (en) * 2006-03-09 2012-06-27 日本精工株式会社 Manufacturing method of bearing ring member for rolling bearing unit
JP2008194741A (en) * 2007-02-15 2008-08-28 Ntn Corp Method for manufacturing flange-structure
JP5252834B2 (en) * 2007-05-16 2013-07-31 Ｎｔｎ株式会社 Manufacturing method of wheel bearing device
JP2010096253A (en) * 2008-10-16 2010-04-30 Ntn Corp Bearing device for wheel
JP2010151277A (en) * 2008-12-26 2010-07-08 Ntn Corp Wheel bearing device with rotation speed detector
JP5641705B2 (en) * 2009-04-02 2014-12-17 Ntn株式会社 Wheel bearing device

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