EP4321631A3 - Molding method, heat treatment system, and molded product - Google Patents

Molding method, heat treatment system, and molded product Download PDF

Info

Publication number
EP4321631A3
EP4321631A3 EP23205839.6A EP23205839A EP4321631A3 EP 4321631 A3 EP4321631 A3 EP 4321631A3 EP 23205839 A EP23205839 A EP 23205839A EP 4321631 A3 EP4321631 A3 EP 4321631A3
Authority
EP
European Patent Office
Prior art keywords
region
steel sheet
heat treatment
molded product
treatment system
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
EP23205839.6A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP4321631A2 (en
Inventor
Shun TAKAOKA
Takumi Satou
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.)
G Tekt Corp
Original Assignee
G Tekt Corp
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 G Tekt Corp filed Critical G Tekt Corp
Publication of EP4321631A2 publication Critical patent/EP4321631A2/en
Publication of EP4321631A3 publication Critical patent/EP4321631A3/en
Pending 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
    • C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
    • 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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • 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
    • C21D1/62—Quenching devices
    • C21D1/673—Quenching devices for die 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0205—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips of ferrous 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
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0221—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips characterised by the working steps
    • 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
    • C21D8/02—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
    • C21D8/0294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a localised treatment
    • 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
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/005—Ferrite
    • 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
    • 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
    • C21D2211/009—Pearlite

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
EP23205839.6A 2021-03-30 2022-03-30 Molding method, heat treatment system, and molded product Pending EP4321631A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2021056979A JP7052116B1 (ja) 2021-03-30 2021-03-30 成型方法
EP22781078.5A EP4316684A1 (en) 2021-03-30 2022-03-30 Molding method, heat treatment system, and molded product
PCT/JP2022/015940 WO2022210868A1 (ja) 2021-03-30 2022-03-30 成型方法、熱処理システムおよび成形品

Related Parent Applications (2)

Application Number Title Priority Date Filing Date
EP22781078.5A Division EP4316684A1 (en) 2021-03-30 2022-03-30 Molding method, heat treatment system, and molded product
EP22781078.5A Division-Into EP4316684A1 (en) 2021-03-30 2022-03-30 Molding method, heat treatment system, and molded product

Publications (2)

Publication Number Publication Date
EP4321631A2 EP4321631A2 (en) 2024-02-14
EP4321631A3 true EP4321631A3 (en) 2024-02-28

Family

ID=81259573

Family Applications (2)

Application Number Title Priority Date Filing Date
EP22781078.5A Pending EP4316684A1 (en) 2021-03-30 2022-03-30 Molding method, heat treatment system, and molded product
EP23205839.6A Pending EP4321631A3 (en) 2021-03-30 2022-03-30 Molding method, heat treatment system, and molded product

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP22781078.5A Pending EP4316684A1 (en) 2021-03-30 2022-03-30 Molding method, heat treatment system, and molded product

Country Status (4)

Country Link
US (2) US20240167115A1 (ja)
EP (2) EP4316684A1 (ja)
JP (1) JP7052116B1 (ja)
WO (1) WO2022210868A1 (ja)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10208216C1 (de) * 2002-02-26 2003-03-27 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines metallischen Bauteils
EP2365100A2 (de) * 2010-03-04 2011-09-14 Kirchhoff Automotive Deutschland GmbH Verfahren zur Herstellung eines Formteiles mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität
DE202014010318U1 (de) * 2014-01-23 2015-04-01 Eva Schwartz Wärmebehandlungsvorrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101277874B1 (ko) * 2011-03-31 2013-06-21 주식회사 포스코 이종 강도 영역을 갖는 열간 성형품 및 그 제조방법
US9951395B2 (en) * 2012-03-13 2018-04-24 Asteer Co., Ltd. Method for strengthening steel plate member
JP6357196B2 (ja) 2016-07-19 2018-07-11 東亜工業株式会社 熱間プレス装置、熱間プレス方法及び自動車車体部品の製造方法
JP2019013936A (ja) * 2017-07-04 2019-01-31 東亜工業株式会社 プレス成形品の製造方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10208216C1 (de) * 2002-02-26 2003-03-27 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines metallischen Bauteils
EP2365100A2 (de) * 2010-03-04 2011-09-14 Kirchhoff Automotive Deutschland GmbH Verfahren zur Herstellung eines Formteiles mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität
DE202014010318U1 (de) * 2014-01-23 2015-04-01 Eva Schwartz Wärmebehandlungsvorrichtung

Also Published As

Publication number Publication date
JP2022154099A (ja) 2022-10-13
JP7052116B1 (ja) 2022-04-11
EP4316684A1 (en) 2024-02-07
US20240043957A1 (en) 2024-02-08
EP4321631A2 (en) 2024-02-14
WO2022210868A1 (ja) 2022-10-06
US20240167115A1 (en) 2024-05-23

Similar Documents

Publication Publication Date Title
CN102883833B (zh) 能够调整硬度的热压成形的方法
CN102039349A (zh) 制造经淬火、热成型的工件的方法和热成型装置
CN105478559A (zh) 用于制造至少部分硬化的板构件的方法和压机
CN104668326A (zh) 一种高强度钢材零部件性能梯度化分布的热冲压方法
CN107058708A (zh) 一种弹簧片类零件热处理变形控制方法
US11136255B2 (en) Systems and methods for thermally controlling warp
CN101591727B (zh) 一种低碳合金钢锻件毛坯的热处理方法
CN105734231A (zh) 一种h13钢热处理工艺
EP4321631A3 (en) Molding method, heat treatment system, and molded product
CN107321832A (zh) 一种稳定降低热成形温度的工艺方法
CN106541563A (zh) 树脂板多点热成形均匀控温和加载方法
CN104152638B (zh) 冷作模具钢薄件的微变形淬火热处理工艺
CN105969949B (zh) 18CrNiMo7-6齿轮轴锻件预热处理等温退火工艺
CN102634646B (zh) 一种特殊的控温冷却热处理工艺
KR20180001921A (ko) 국부연화 핫스탬핑-트리밍 방법
CN105506248B (zh) 一种中高碳钢晶粒细化热处理方法
CN106119509B (zh) 一种kmn材料半开式三元叶轮的真空亚温气淬工艺
CN1330779C (zh) 大型轴承套圈热处理整形方法
ES479333A1 (es) Procedimiento y dispositivo de curvado de hojas de vidrio.
CN103817194B (zh) 热成型钢板分段强化类零件的压力冷却工艺及模具伺服装置
KR20150124793A (ko) 이종강도를 갖는 핫스탬핑 부재의 스프링백 및 뒤틀림 방지를 위한 제조방법
WO2004031418A3 (de) Verfahren zum herstellen von produkten durch umformen bei erhöhten temperaturen
CN109161657A (zh) 一种余温正火工艺
CN105154653A (zh) 一种食品添加剂烘干装置专用轴承套圈的热处理方法
CN113478178B (zh) 新型热成型门槛板

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION HAS BEEN PUBLISHED

PUAL Search report despatched

Free format text: ORIGINAL CODE: 0009013

AC Divisional application: reference to earlier application

Ref document number: 4316684

Country of ref document: EP

Kind code of ref document: P

AK Designated contracting states

Kind code of ref document: A2

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AK Designated contracting states

Kind code of ref document: A3

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RIC1 Information provided on ipc code assigned before grant

Ipc: C21D 9/46 20060101ALI20240119BHEP

Ipc: B21D 22/20 20060101ALI20240119BHEP

Ipc: B21D 22/02 20060101ALI20240119BHEP

Ipc: C21D 1/673 20060101ALI20240119BHEP

Ipc: C21D 1/18 20060101AFI20240119BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20240828

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR