EP3872196A4 - Local heat treatment system and cold forming method using same - Google Patents

Local heat treatment system and cold forming method using same Download PDF

Info

Publication number
EP3872196A4
EP3872196A4 EP19891130.7A EP19891130A EP3872196A4 EP 3872196 A4 EP3872196 A4 EP 3872196A4 EP 19891130 A EP19891130 A EP 19891130A EP 3872196 A4 EP3872196 A4 EP 3872196A4
Authority
EP
European Patent Office
Prior art keywords
heat treatment
same
forming method
treatment system
cold forming
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Withdrawn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
EP19891130.7A
Other languages
German (de)
French (fr)
Other versions
EP3872196A1 (en
Inventor
Youn-Hee Kang
Chang Ho Moon
Ki Soo Kim
Jong Youn Park
Gil-Ho Song
Eun-Ho Lee
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.)
Posco Holdings Inc
Original Assignee
Posco 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 Posco Co Ltd filed Critical Posco Co Ltd
Publication of EP3872196A1 publication Critical patent/EP3872196A1/en
Publication of EP3872196A4 publication Critical patent/EP3872196A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/008—Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling
    • 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
    • C21D1/34—Methods of heating
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
EP19891130.7A 2018-11-29 2019-08-08 Local heat treatment system and cold forming method using same Withdrawn EP3872196A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020180151020A KR20200064661A (en) 2018-11-29 2018-11-29 Selective heating system and cold forming method using the same
PCT/KR2019/009979 WO2020111442A1 (en) 2018-11-29 2019-08-08 Local heat treatment system and cold forming method using same

Publications (2)

Publication Number Publication Date
EP3872196A1 EP3872196A1 (en) 2021-09-01
EP3872196A4 true EP3872196A4 (en) 2022-03-16

Family

ID=70853051

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19891130.7A Withdrawn EP3872196A4 (en) 2018-11-29 2019-08-08 Local heat treatment system and cold forming method using same

Country Status (6)

Country Link
US (1) US20220016683A1 (en)
EP (1) EP3872196A4 (en)
JP (1) JP2022510869A (en)
KR (1) KR20200064661A (en)
CN (1) CN113166825A (en)
WO (1) WO2020111442A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112676386B (en) * 2020-12-23 2022-11-04 安徽骄阳软门有限责任公司 Soft magnet pressure feeding straightening device for door curtain production

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160815B (en) * 1959-07-21 1964-01-09 Hoesch Ag Process for the production of profiles from cold-rolled or tempered steel and non-ferrous metal strips
DE3728041A1 (en) * 1987-08-22 1989-03-02 Messer Griesheim Gmbh Method for the production of bent parts from pre-hardened metals by cold forming
DE102013111379A1 (en) * 2013-04-02 2014-10-02 Hyundai Motor Company A near infrared light condensing heat unit, a near infrared light condensing heater using the same, and a method of forming a panel using the same
DE102013011572A1 (en) * 2013-07-10 2015-01-15 Audi Ag Method for local and distortion-free heat treatment of sheet metal or sheet-like components by local resistance heating
US20150075678A1 (en) * 2013-09-17 2015-03-19 Hyundai Motor Company Method for laser heat treatment to improve formability of advanced high strength steels

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0234200B1 (en) * 1986-01-21 1990-12-05 Siemens Aktiengesellschaft Process and device for the heat treatment of longitudinally welded pipes
WO2006110962A2 (en) * 2005-04-22 2006-10-26 K.U.Leuven Research And Development Asymmetric incremental sheet forming system
US7977611B2 (en) * 2007-07-19 2011-07-12 United Technologies Corporation Systems and methods for providing localized heat treatment of metal components
US8372222B2 (en) * 2008-10-03 2013-02-12 Ajax Tocco Magnethermic Corporation Method of producing locally austempered ductile iron
KR101176068B1 (en) * 2010-03-24 2012-08-24 황현태 Apparatus and method for local laser heat treatment
WO2012118223A1 (en) * 2011-03-03 2012-09-07 新日本製鐵株式会社 Method for bending sheet metal and product of sheet metal
KR101359055B1 (en) * 2011-03-31 2014-02-07 주식회사 포스코 Apparatus for heat treatment of hot forming blank and method for manufacturing hot formed part using the same
JP5565635B2 (en) * 2011-06-30 2014-08-06 高周波熱錬株式会社 Induction heat treatment apparatus and method
DE102011120679A1 (en) * 2011-12-08 2013-06-13 Linde Aktiengesellschaft Plant and method for hot forming of blanks
JP6644575B2 (en) * 2016-02-09 2020-02-12 三菱重工業株式会社 Jig for laser heat treatment

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1160815B (en) * 1959-07-21 1964-01-09 Hoesch Ag Process for the production of profiles from cold-rolled or tempered steel and non-ferrous metal strips
DE3728041A1 (en) * 1987-08-22 1989-03-02 Messer Griesheim Gmbh Method for the production of bent parts from pre-hardened metals by cold forming
DE102013111379A1 (en) * 2013-04-02 2014-10-02 Hyundai Motor Company A near infrared light condensing heat unit, a near infrared light condensing heater using the same, and a method of forming a panel using the same
DE102013011572A1 (en) * 2013-07-10 2015-01-15 Audi Ag Method for local and distortion-free heat treatment of sheet metal or sheet-like components by local resistance heating
US20150075678A1 (en) * 2013-09-17 2015-03-19 Hyundai Motor Company Method for laser heat treatment to improve formability of advanced high strength steels

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2020111442A1 *

Also Published As

Publication number Publication date
KR20200064661A (en) 2020-06-08
CN113166825A (en) 2021-07-23
EP3872196A1 (en) 2021-09-01
JP2022510869A (en) 2022-01-28
US20220016683A1 (en) 2022-01-20
WO2020111442A1 (en) 2020-06-04

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