JP2018044225A - 等速自在継手の外側継手部材および外側継手部材の製造方法 - Google Patents
等速自在継手の外側継手部材および外側継手部材の製造方法 Download PDFInfo
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- JP2018044225A JP2018044225A JP2016181477A JP2016181477A JP2018044225A JP 2018044225 A JP2018044225 A JP 2018044225A JP 2016181477 A JP2016181477 A JP 2016181477A JP 2016181477 A JP2016181477 A JP 2016181477A JP 2018044225 A JP2018044225 A JP 2018044225A
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- joint member
- constant velocity
- velocity universal
- shaft
- outer joint
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 229920001187 thermosetting polymer Polymers 0.000 claims abstract description 35
- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 29
- 239000010962 carbon steel Substances 0.000 claims abstract description 29
- 229910000859 α-Fe Inorganic materials 0.000 claims abstract description 10
- 239000012535 impurity Substances 0.000 claims abstract description 8
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 8
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 6
- 239000000956 alloy Substances 0.000 claims abstract description 6
- 238000010791 quenching Methods 0.000 claims description 42
- 230000000171 quenching effect Effects 0.000 claims description 14
- 230000006698 induction Effects 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 11
- 238000005496 tempering Methods 0.000 claims description 8
- 239000013078 crystal Substances 0.000 claims description 4
- 238000005480 shot peening Methods 0.000 claims description 3
- 239000004035 construction material Substances 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 13
- 239000010959 steel Substances 0.000 description 13
- 230000005540 biological transmission Effects 0.000 description 11
- 230000002093 peripheral effect Effects 0.000 description 9
- 230000007423 decrease Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000005242 forging Methods 0.000 description 5
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000005336 cracking Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009628 steelmaking Methods 0.000 description 4
- 238000005482 strain hardening Methods 0.000 description 4
- 230000012447 hatching Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 230000003749 cleanliness Effects 0.000 description 2
- 230000005674 electromagnetic induction Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910000760 Hardened steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 238000010273 cold forging Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000013021 overheating Methods 0.000 description 1
- 230000002250 progressing effect Effects 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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Abstract
Description
34 内径面
35 外側継手部材
41 トラック溝
42 外側継手部材
70,75 カップ部
71、76 ステム軸
71a 平滑部
71b スプライン部
76b 平滑部
76c スプライン部
Claims (5)
- 内径面にトラック溝が形成されたカップ部と、このカップ部の底壁から突出するステム軸とが同一材質で一体に成形されてなり、ステム軸には平滑部及びスプライン部が形成された等速自在継手の外側継手部材であって、
前記材質が、合金元素の含有率が重量%で、C:0.45〜0.60%、Si:0.4〜1.5%、Mn:0.4〜1.0%、S:0.025%以下、Al:0.01〜0.1%、B:0.001〜0.004%, Ti:0.02〜0.05%、およびN:0.008%以下、かつTi/N比3.4以上を基本成分とし、残部がFeおよび不可避的不純物からなる炭素鋼であり、この炭素鋼のフェライト結晶粒度番号が7以上であり、ステム軸の平滑部及びスプライン部のうち、少なくとも最弱となる部位において、焼入れ硬化比が0.3〜0.6となる熱硬化層を有することを特徴とする等速自在継手の外側継手部材。 - 最弱となる部位が、ステム軸に設けられるスプライン部であることを特徴とする請求項1に記載の等速自在継手の外側継手部材。
- 最弱となる部位が、ステム軸に設けられる平滑部であることを特徴とする請求項1に記載の等速自在継手の外側継手部材。
- 前記熱硬化層の表面の圧縮残留応力を500MPa以上としたことを特徴とする請求項1〜請求項3のいずれか1項に記載の等速自在継手の外側継手部材。
- 前記請求項1〜請求項4のいずれか1項に記載の等速自在継手の外側継手部材を製造する外側継手部材製造方法であって、
ステム軸の平滑部及びスプライン部のうち、少なくとも最弱となる部位に高周波焼入れ・焼戻しを行って焼入れ部を形成した後、この焼入れ部にショットピーニングを施して、表面の圧縮残留応力を1000MPa以上となる熱硬化層を形成することを特徴とする外側継手部材製造方法。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016181477A JP6685871B2 (ja) | 2016-09-16 | 2016-09-16 | 等速自在継手の外側継手部材および外側継手部材の製造方法 |
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| JP2016181477A JP6685871B2 (ja) | 2016-09-16 | 2016-09-16 | 等速自在継手の外側継手部材および外側継手部材の製造方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2018044225A true JP2018044225A (ja) | 2018-03-22 |
| JP6685871B2 JP6685871B2 (ja) | 2020-04-22 |
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| JP2016181477A Expired - Fee Related JP6685871B2 (ja) | 2016-09-16 | 2016-09-16 | 等速自在継手の外側継手部材および外側継手部材の製造方法 |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0790379A (ja) * | 1993-09-24 | 1995-04-04 | Kobe Steel Ltd | ねじり疲労特性を向上した高周波焼入れ軸物部品の製造方法 |
| JP2000234141A (ja) * | 1999-02-10 | 2000-08-29 | Ntn Corp | 動力伝達軸 |
| US20020017343A1 (en) * | 1999-02-10 | 2002-02-14 | Ntn Corporation | Power transmission shaft |
| JP2004124190A (ja) * | 2002-10-03 | 2004-04-22 | Jfe Steel Kk | ねじり特性に優れる高周波焼もどし鋼 |
| JP2011038185A (ja) * | 2010-11-05 | 2011-02-24 | Nippon Steel Corp | 低サイクル疲労特性に優れた高周波輪郭焼入れ鋼材及び高周波輪郭焼入れ部品 |
| US20110269555A1 (en) * | 2009-01-19 | 2011-11-03 | Hiroo Morimoto | Outer member of constant speed universal joint |
| KR101685489B1 (ko) * | 2015-06-16 | 2016-12-12 | 현대자동차주식회사 | 고인성 등속조인트 외륜용 합금강 및 그 제조 방법 |
-
2016
- 2016-09-16 JP JP2016181477A patent/JP6685871B2/ja not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0790379A (ja) * | 1993-09-24 | 1995-04-04 | Kobe Steel Ltd | ねじり疲労特性を向上した高周波焼入れ軸物部品の製造方法 |
| JP2000234141A (ja) * | 1999-02-10 | 2000-08-29 | Ntn Corp | 動力伝達軸 |
| US20020017343A1 (en) * | 1999-02-10 | 2002-02-14 | Ntn Corporation | Power transmission shaft |
| JP2004124190A (ja) * | 2002-10-03 | 2004-04-22 | Jfe Steel Kk | ねじり特性に優れる高周波焼もどし鋼 |
| US20110269555A1 (en) * | 2009-01-19 | 2011-11-03 | Hiroo Morimoto | Outer member of constant speed universal joint |
| JP2011038185A (ja) * | 2010-11-05 | 2011-02-24 | Nippon Steel Corp | 低サイクル疲労特性に優れた高周波輪郭焼入れ鋼材及び高周波輪郭焼入れ部品 |
| KR101685489B1 (ko) * | 2015-06-16 | 2016-12-12 | 현대자동차주식회사 | 고인성 등속조인트 외륜용 합금강 및 그 제조 방법 |
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| JP6685871B2 (ja) | 2020-04-22 |
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