EP3486344A4 - Steel spring wire, spring, steel spring wire production method and spring production method - Google Patents

Steel spring wire, spring, steel spring wire production method and spring production method Download PDF

Info

Publication number
EP3486344A4
EP3486344A4 EP17827290.2A EP17827290A EP3486344A4 EP 3486344 A4 EP3486344 A4 EP 3486344A4 EP 17827290 A EP17827290 A EP 17827290A EP 3486344 A4 EP3486344 A4 EP 3486344A4
Authority
EP
European Patent Office
Prior art keywords
spring
production method
steel
wire
spring wire
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Withdrawn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
EP17827290.2A
Other languages
German (de)
French (fr)
Other versions
EP3486344A1 (en
Inventor
Fuminori OKADA
Kenichi Shimizu
Takafumi UWANO
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.)
Sumitomo SEI Steel Wire Corp
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo SEI Steel Wire Corp
Sumitomo Electric Industries 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 Sumitomo SEI Steel Wire Corp, Sumitomo Electric Industries Ltd filed Critical Sumitomo SEI Steel Wire Corp
Publication of EP3486344A4 publication Critical patent/EP3486344A4/en
Publication of EP3486344A1 publication Critical patent/EP3486344A1/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Withdrawn legal-status Critical Current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
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C1/00—Manufacture of metal sheets, metal wire, metal rods, metal tubes by drawing
    • B21C1/003—Drawing materials of special alloys so far as the composition of the alloy requires or permits special drawing methods or sequences
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C3/00—Profiling tools for metal drawing; Combinations of dies and mandrels
    • B21C3/02—Dies; Selection of material therefor; Cleaning thereof
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F35/00—Making springs from wire
    • 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
    • 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
    • C21D7/00—Modifying the physical properties of iron or steel by deformation
    • C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
    • C21D7/04—Modifying the physical properties of iron or steel by deformation by cold working of the surface
    • C21D7/06—Modifying the physical properties of iron or steel by deformation by cold working of the surface by shot-peening or the like
    • 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/06—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires
    • C21D8/065—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of rods or wires of ferrous alloys
    • 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
    • C22C38/02—Ferrous alloys, e.g. steel alloys containing silicon
    • 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
    • C22C38/04—Ferrous alloys, e.g. steel alloys containing manganese
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/24—Ferrous alloys, e.g. steel alloys containing chromium with vanadium
    • 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
    • C22C38/18—Ferrous alloys, e.g. steel alloys containing chromium
    • C22C38/34—Ferrous alloys, e.g. steel alloys containing chromium with more than 1.5% by weight of silicon
    • 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
    • C21D2211/008—Martensite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatment Of Steel (AREA)
  • Heat Treatment Of Articles (AREA)
  • Springs (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
EP17827290.2A 2016-07-14 2017-06-08 Steel spring wire, spring, steel spring wire production method and spring production method Withdrawn EP3486344A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2016139668 2016-07-14
JP2017038665 2017-03-01
PCT/JP2017/021367 WO2018012158A1 (en) 2016-07-14 2017-06-08 Steel spring wire, spring, steel spring wire production method and spring production method

Publications (2)

Publication Number Publication Date
EP3486344A4 true EP3486344A4 (en) 2019-05-22
EP3486344A1 EP3486344A1 (en) 2019-05-22

Family

ID=60952027

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17827290.2A Withdrawn EP3486344A1 (en) 2016-07-14 2017-06-08 Steel spring wire, spring, steel spring wire production method and spring production method

Country Status (5)

Country Link
US (1) US20190233912A1 (en)
EP (1) EP3486344A1 (en)
JP (1) JP6891889B2 (en)
CN (1) CN109415788A (en)
WO (1) WO2018012158A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6583082B2 (en) * 2016-03-22 2019-10-02 住友電気工業株式会社 Steel wire for spring
CN112449654B (en) * 2019-07-01 2022-07-08 住友电气工业株式会社 Steel wire and spring

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2682493A1 (en) * 2011-03-04 2014-01-08 NHK Spring Co.,Ltd. Spring and manufacturing method thereof
JP2014206219A (en) * 2013-04-12 2014-10-30 日本発條株式会社 Helical compression spring and method of manufacturing the same
EP2896712A1 (en) * 2012-09-14 2015-07-22 Nhk Spring Co., Ltd. Helical compression spring and method for manufacturing same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012052218A (en) * 2010-08-03 2012-03-15 Sumitomo Electric Ind Ltd Spring steel wire, method for producing the same, and spring
JP2014227581A (en) * 2013-05-23 2014-12-08 住友電気工業株式会社 Oil temper wire and method of producing oil temper wire

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2682493A1 (en) * 2011-03-04 2014-01-08 NHK Spring Co.,Ltd. Spring and manufacturing method thereof
EP2896712A1 (en) * 2012-09-14 2015-07-22 Nhk Spring Co., Ltd. Helical compression spring and method for manufacturing same
JP2014206219A (en) * 2013-04-12 2014-10-30 日本発條株式会社 Helical compression spring and method of manufacturing the same

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2018012158A1 *

Also Published As

Publication number Publication date
JP6891889B2 (en) 2021-06-18
CN109415788A (en) 2019-03-01
JPWO2018012158A1 (en) 2019-04-25
US20190233912A1 (en) 2019-08-01
EP3486344A1 (en) 2019-05-22
WO2018012158A1 (en) 2018-01-18

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Effective date: 20191106