EP3315625A4 - Machine part - Google Patents

Machine part Download PDF

Info

Publication number
EP3315625A4
EP3315625A4 EP16817641.0A EP16817641A EP3315625A4 EP 3315625 A4 EP3315625 A4 EP 3315625A4 EP 16817641 A EP16817641 A EP 16817641A EP 3315625 A4 EP3315625 A4 EP 3315625A4
Authority
EP
European Patent Office
Prior art keywords
machine part
machine
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.)
Withdrawn
Application number
EP16817641.0A
Other languages
German (de)
French (fr)
Other versions
EP3315625A1 (en
Inventor
Miyu SATO
Chikara Ohki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NTN Corp
Original Assignee
NTN Corp
NTN Toyo Bearing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by NTN Corp, NTN Toyo Bearing Co Ltd filed Critical NTN Corp
Publication of EP3315625A1 publication Critical patent/EP3315625A1/en
Publication of EP3315625A4 publication Critical patent/EP3315625A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/08—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for tubular bodies or pipes
    • C21D9/085—Cooling or quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/06—Surface hardening
    • C21D1/09—Surface hardening by direct application of electrical or wave energy; by particle radiation
    • C21D1/10—Surface hardening by direct application of electrical or wave energy; by particle radiation by electric induction
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C38/00—Ferrous alloys, e.g. steel alloys
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
EP16817641.0A 2015-06-29 2016-06-03 Machine part Withdrawn EP3315625A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015129873A JP2017014550A (en) 2015-06-29 2015-06-29 Machine component
PCT/JP2016/066601 WO2017002532A1 (en) 2015-06-29 2016-06-03 Machine part

Publications (2)

Publication Number Publication Date
EP3315625A1 EP3315625A1 (en) 2018-05-02
EP3315625A4 true EP3315625A4 (en) 2018-12-26

Family

ID=57608614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16817641.0A Withdrawn EP3315625A4 (en) 2015-06-29 2016-06-03 Machine part

Country Status (5)

Country Link
US (1) US20180187280A1 (en)
EP (1) EP3315625A4 (en)
JP (1) JP2017014550A (en)
CN (1) CN107849655A (en)
WO (1) WO2017002532A1 (en)

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004232669A (en) * 2003-01-28 2004-08-19 Nsk Ltd Rolling bearing unit for wheel support
JP3637984B2 (en) * 1995-09-18 2005-04-13 株式会社神戸製鋼所 Rolling element for toroidal continuously variable transmission
WO2006008960A1 (en) * 2004-07-16 2006-01-26 Jfe Steel Corporation Component for machine structure, method for producing same, and material for high-frequency hardening
EP1710458A1 (en) * 2004-01-15 2006-10-11 Ntn Corporation Rolling bearing and method for heat treatment of steel
JP2007321197A (en) * 2006-05-31 2007-12-13 Jfe Steel Kk Steel shaft parts with excellent impact and fatigue properties and manufacturing method thereof
JP2009242923A (en) * 2008-03-31 2009-10-22 Jfe Steel Corp Component for machine structure having excellent rolling fatigue property, and method for producing the same
WO2014141831A1 (en) * 2013-03-12 2014-09-18 本田技研工業株式会社 Steel wire for spring and method for manufacturing same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002275538A (en) * 2001-03-15 2002-09-25 Toyota Motor Corp Method and apparatus for heat treatment of steel
JP2007177275A (en) * 2005-12-27 2007-07-12 Jfe Steel Kk Power transmission shaft for constant velocity universal joint
JP5292896B2 (en) * 2008-03-31 2013-09-18 Ｊｆｅスチール株式会社 Machine structural parts having excellent rolling fatigue characteristics and manufacturing method thereof
JP5312973B2 (en) * 2009-02-10 2013-10-09 日本発條株式会社 Torsion bar and manufacturing method thereof

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3637984B2 (en) * 1995-09-18 2005-04-13 株式会社神戸製鋼所 Rolling element for toroidal continuously variable transmission
JP2004232669A (en) * 2003-01-28 2004-08-19 Nsk Ltd Rolling bearing unit for wheel support
EP1710458A1 (en) * 2004-01-15 2006-10-11 Ntn Corporation Rolling bearing and method for heat treatment of steel
WO2006008960A1 (en) * 2004-07-16 2006-01-26 Jfe Steel Corporation Component for machine structure, method for producing same, and material for high-frequency hardening
JP2007321197A (en) * 2006-05-31 2007-12-13 Jfe Steel Kk Steel shaft parts with excellent impact and fatigue properties and manufacturing method thereof
JP2009242923A (en) * 2008-03-31 2009-10-22 Jfe Steel Corp Component for machine structure having excellent rolling fatigue property, and method for producing the same
WO2014141831A1 (en) * 2013-03-12 2014-09-18 本田技研工業株式会社 Steel wire for spring and method for manufacturing same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017002532A1 *

Also Published As

Publication number Publication date
JP2017014550A (en) 2017-01-19
EP3315625A1 (en) 2018-05-02
WO2017002532A1 (en) 2017-01-05
CN107849655A (en) 2018-03-27
US20180187280A1 (en) 2018-07-05

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