EP3790687A4 - CONDUCTIVE PREHEATING OF SHEET METAL FOR HOT FORMING - Google Patents

CONDUCTIVE PREHEATING OF SHEET METAL FOR HOT FORMING Download PDF

Info

Publication number: EP3790687A4
Authority: EP; European Patent Office
Prior art keywords: sheet metal; hot forming; preheating; conductive; conductive preheating
Prior art date: 2018-05-11
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

EP19799148.2A

Other languages

German (de)

French (fr)

Other versions

EP3790687A1 (en

Inventor

Cangji SHI

Cyrus YAU

Nick Adam

Eric Denijs

Pascal Charest

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.)

Magna International Inc

Original Assignee

Magna International Inc

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.)

2018-05-11

Filing date

2019-05-10

Publication date

2022-01-26

2019-05-10 Application filed by Magna International Inc filed Critical Magna International Inc

2021-03-17 Publication of EP3790687A1 publication Critical patent/EP3790687A1/en

2022-01-26 Publication of EP3790687A4 publication Critical patent/EP3790687A4/en

Status Pending legal-status Critical Current

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
- 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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
- B21D22/208—Deep-drawing by heating the blank or deep-drawing associated with heat treatment
- 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
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J17/00—Forge furnaces
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J17/00—Forge furnaces
- B21J17/02—Forge furnaces electrically heated
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- 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
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
- 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
- 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
- C21D2211/008—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
- C21D2221/00—Treating localised areas of an article

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Chemical & Material Sciences (AREA)
Physics & Mathematics (AREA)
Thermal Sciences (AREA)
Crystallography & Structural Chemistry (AREA)
Materials Engineering (AREA)
Metallurgy (AREA)
Organic Chemistry (AREA)
Shaping Metal By Deep-Drawing, Or The Like (AREA)
Heat Treatments In General, Especially Conveying And Cooling (AREA)

EP19799148.2A 2018-05-11 2019-05-10 CONDUCTIVE PREHEATING OF SHEET METAL FOR HOT FORMING Pending EP3790687A4 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US201862670103P	2018-05-11	2018-05-11
PCT/CA2019/050627 WO2019213774A1 (en)	2018-05-11	2019-05-10	Conduction pre-heating of sheet for hot forming

Publications (2)

Publication Number	Publication Date
EP3790687A1 EP3790687A1 (en)	2021-03-17
EP3790687A4 true EP3790687A4 (en)	2022-01-26

Family

ID=68467638

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19799148.2A Pending EP3790687A4 (en)	2018-05-11	2019-05-10	CONDUCTIVE PREHEATING OF SHEET METAL FOR HOT FORMING

Country Status (6)

Country	Link
US (1)	US20210237138A1 (en)
EP (1)	EP3790687A4 (en)
CN (2)	CN112118922B (en)
CA (1)	CA3096907A1 (en)
MX (1)	MX2020011426A (en)
WO (1)	WO2019213774A1 (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
WO2020225749A1 (en) *	2019-05-06	2020-11-12	Magna International Inc.	Conductive post-furnace heating of sheet for hot forming
EP4314682A1 (en) *	2021-04-16	2024-02-07	Aerospace Transmission Technologies GmbH	Method for the heat treatment of metal workpieces
EP4074845A1 (en) *	2021-04-16	2022-10-19	Aerospace Transmission Technologies GmbH	Control device and method of controlling a press hardening system
DE102022108513A1 (en) *	2021-04-16	2022-10-20	Aerospace Transmission Technologies GmbH	Control device and method for controlling a system and a process for the heat treatment of metal workpieces
DE102022108515A1 (en) *	2021-04-16	2022-10-20	Aerospace Transmission Technologies GmbH	Control device and method for controlling a press hardening plant
JP7712554B2 (en) *	2022-02-24	2025-07-24	日本製鉄株式会社	Manufacturing method of press-molded products
WO2024124347A1 (en) *	2022-12-14	2024-06-20	Magna International Inc.	Method for heating steel blanks
CN120897806A (en) *	2023-04-03	2025-11-04	麦格纳国际公司	Hot stamping systems and methods

Citations (3)

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US20140124104A1 (en) *	2012-11-07	2014-05-08	Benteler Automobiltechnik Gmbh	Hot forming line and method for producing a hot formed and press hardened motor vehicle part
CA2928046A1 (en) *	2013-10-31	2015-05-07	Magna International Inc.	System and method for hot stamping of components
US20170183757A1 (en) *	2008-10-02	2017-06-29	Ms Autotech Co., Ltd.	Hot stamping method for manufacturing vehicle body parts

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US3528276A (en) *	1968-01-26	1970-09-15	Sheridan Gray Inc	Hot-forming press
CN102266900B (en) *	2010-06-07	2015-11-25	蒂森克虏伯金属成型技术有限公司	For the manufacture of method and the thermal formation apparatus of the steel plate forming component of forging and stamping
CN102939176B (en) *	2010-06-10	2016-04-13	麦格纳国际公司	Bimetal element and method
DE102011053698C5 (en) *	2011-09-16	2017-11-16	Benteler Automobiltechnik Gmbh	Process for the manufacture of structural and chassis components by thermoforming and heating station
CN202276485U (en) *	2011-10-13	2012-06-13	浙江盾翔节能科技有限公司	Device for lowering interference in wiring of electromagnetic induction coils
DE102011120681A1 (en) *	2011-12-08	2013-06-13	Linde Aktiengesellschaft	Plant and method for preheating boards during hot forming
CN103157959B (en) *	2013-03-18	2015-05-20	四川友麒双金属复合材料有限公司	Preparation method for stainless steel clad plate
CN103286235A (en) *	2013-04-18	2013-09-11	重庆市科学技术研究院	Automatic production line for hot stamping formation of magnesium alloy boards
EP3045553A4 (en) *	2013-09-10	2017-03-22	Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)	Hot-pressing steel plate, press-molded article, and method for manufacturing press-molded article
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KR101585802B1 (en) *	2014-11-21	2016-01-18	주식회사 포스코	Uniformly coated tailor rolled steel sheet, method for manufacturing same, method for press forming using same and product thereof
CN104569043B (en) *	2015-01-09	2017-01-11	上海交通大学	Device and method for measuring heat transfer coefficient of metal thermoforming interface
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CN106734715A (en) *	2017-01-16	2017-05-31	兰州兰石重型装备股份有限公司	904L+Q345R pressure container of composite board end socket thermoforming process
CN107186029A (en) *	2017-06-22	2017-09-22	苏州普热斯勒先进成型技术有限公司	A kind of heater, production line and method for producing subregion intensity heat-punch member

2019
- 2019-05-10 MX MX2020011426A patent/MX2020011426A/en unknown
- 2019-05-10 EP EP19799148.2A patent/EP3790687A4/en active Pending
- 2019-05-10 WO PCT/CA2019/050627 patent/WO2019213774A1/en not_active Ceased
- 2019-05-10 CA CA3096907A patent/CA3096907A1/en active Pending
- 2019-05-10 US US17/054,320 patent/US20210237138A1/en active Pending
- 2019-05-10 CN CN201980031281.8A patent/CN112118922B/en active Active
- 2019-05-10 CN CN202410058324.4A patent/CN117943496A/en active Pending

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US20170183757A1 (en) *	2008-10-02	2017-06-29	Ms Autotech Co., Ltd.	Hot stamping method for manufacturing vehicle body parts
US20140124104A1 (en) *	2012-11-07	2014-05-08	Benteler Automobiltechnik Gmbh	Hot forming line and method for producing a hot formed and press hardened motor vehicle part
CA2928046A1 (en) *	2013-10-31	2015-05-07	Magna International Inc.	System and method for hot stamping of components

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2019213774A1 *

Also Published As

Publication number	Publication date
US20210237138A1 (en)	2021-08-05
CN117943496A (en)	2024-04-30
EP3790687A1 (en)	2021-03-17
WO2019213774A1 (en)	2019-11-14
MX2020011426A (en)	2020-11-24
CN112118922B (en)	2024-02-02
CN112118922A (en)	2020-12-22
CA3096907A1 (en)	2019-11-14

Publication	Publication Date	Title
EP3790687A4 (en)	2022-01-26	CONDUCTIVE PREHEATING OF SHEET METAL FOR HOT FORMING
EP3632237A4 (en)	2020-06-10	CIRCUMFERENTIAL HEATING TYPE DRYING NEEDLE FOR ELECTRONIC CIGARETTE, AND ELECTRONIC CIGARETTE
EP3907081C0 (en)	2025-08-13	HOT PRESS
EP3778949A4 (en)	2021-07-21	STEEL SHEET
EP3956609A4 (en)	2022-06-22	HEATING COOKER
EP3655473A4 (en)	2021-03-31	DIELECTRIC HEATING OF EXPANDABLE COMPOSITIONS
EP3604614A4 (en)	2020-12-16	ELECTROMAGNETIC STEEL SHEET
EP3406439A4 (en)	2019-08-28	REFRACTORY MULTILAYER SHEET
EP3695035A4 (en)	2021-05-05	PRE-STABILIZATION PROCESS
DK3410822T3 (en)	2021-10-11	ELECTROMAGNETIC INDUCTION HEATER
EP3456427A4 (en)	2020-01-01	HIGH-FREQUENCY HEATING PROCESS FOR HOT EMBOSSING PROCESSES
EP3330389A4 (en)	2019-03-13	HEATING OVEN FOR HEATING AN ANNULAR COMPONENT
EP3569728A4 (en)	2020-06-03	NON-ORIENTED ELECTROMAGNETIC STEEL SHEET
EP3570636A4 (en)	2020-08-19	INDUCTION HEATING COOKER
EP3511369C0 (en)	2023-06-07	SHEET PRODUCTION METHOD
EP3633055A4 (en)	2020-09-30	NON-ORIENTED ELECTROMAGNETIC STEEL SHEET
EP3633056A4 (en)	2020-09-30	NON-ORIENTED ELECTROMAGNETIC STEEL SHEET
EP3725905A4 (en)	2020-10-21	MULTILAYER ELECTROMAGNETIC STEEL SHEET
EP3580996A4 (en)	2020-11-25	ADJUSTABLE CROSS INDUCTORS FOR INDUCTIVE HEATING OF STRIPS OR PANELS
EP3722460A4 (en)	2020-11-11	ELECTROMAGNETIC STEEL SHEET WITH INSULATING COATING AND MANUFACTURING PROCESS FOR IT
IT201700109605A1 (en)	2019-03-29	COOKTOP WITH HEATING COATING
CO2019014133A2 (en)	2020-01-17	Mesotrione metal chelate polymorphs and their preparation process
EP3493254A4 (en)	2020-04-01	HEAT CONDUCTIVE SHEET
EP3633054A4 (en)	2020-10-21	NON-ORIENTED ELECTROMAGNETIC STEEL SHEET
EP3843915C0 (en)	2024-06-26	PROCESSING OF SHEET METAL MATERIAL

Legal Events

Date	Code	Title	Description
2019-11-16	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE
2021-02-12	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
2021-02-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE
2021-03-17	17P	Request for examination filed	Effective date: 20201110
2021-03-17	AK	Designated contracting states	Kind code of ref document: A1 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
2021-03-17	AX	Request for extension of the european patent	Extension state: BA ME
2021-08-18	DAV	Request for validation of the european patent (deleted)
2021-08-18	DAX	Request for extension of the european patent (deleted)
2022-01-26	A4	Supplementary search report drawn up and despatched	Effective date: 20220104
2022-01-26	RIC1	Information provided on ipc code assigned before grant	Ipc: C21D 1/673 20060101ALN20211221BHEP Ipc: C21D 9/00 20060101ALI20211221BHEP Ipc: C21D 1/34 20060101ALI20211221BHEP Ipc: B21J 17/02 20060101ALI20211221BHEP Ipc: B21D 53/88 20060101ALI20211221BHEP Ipc: B21D 37/16 20060101ALI20211221BHEP Ipc: B21D 22/20 20060101ALI20211221BHEP Ipc: B21J 17/00 20060101ALI20211221BHEP Ipc: B21J 1/06 20060101AFI20211221BHEP