EP4570397A4 - METHOD FOR MANUFACTURING A PRESS-MOLDED PRODUCT - Google Patents

METHOD FOR MANUFACTURING A PRESS-MOLDED PRODUCT

Info

Publication number
EP4570397A4
EP4570397A4 EP23871306.9A EP23871306A EP4570397A4 EP 4570397 A4 EP4570397 A4 EP 4570397A4 EP 23871306 A EP23871306 A EP 23871306A EP 4570397 A4 EP4570397 A4 EP 4570397A4
Authority
EP
European Patent Office
Prior art keywords
press
manufacturing
molded product
molded
product
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
EP23871306.9A
Other languages
German (de)
French (fr)
Other versions
EP4570397A1 (en
Inventor
Hiroyuki Tanaka
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.)
JFE Steel Corp
Original Assignee
JFE Steel 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 JFE Steel Corp filed Critical JFE Steel Corp
Publication of EP4570397A1 publication Critical patent/EP4570397A1/en
Publication of EP4570397A4 publication Critical patent/EP4570397A4/en
Pending 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/26—Deep-drawing for making peculiarly, e.g. irregularly, shaped articles
    • 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
    • B21D22/21—Deep-drawing without fixing the border of the blank
    • 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
    • B21D22/30—Deep-drawing to finish articles formed by deep-drawing
    • 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
    • B21D24/00—Special deep-drawing arrangements in, or in connection with, presses
    • B21D24/005—Multi-stage presses
    • 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
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/14—Twisting

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP23871306.9A 2022-09-28 2023-06-06 METHOD FOR MANUFACTURING A PRESS-MOLDED PRODUCT Pending EP4570397A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2022154725A JP7476935B2 (en) 2022-09-28 2022-09-28 Manufacturing method of press-molded products
PCT/JP2023/020982 WO2024070061A1 (en) 2022-09-28 2023-06-06 Method for manufacturing press-formed product

Publications (2)

Publication Number Publication Date
EP4570397A1 EP4570397A1 (en) 2025-06-18
EP4570397A4 true EP4570397A4 (en) 2025-12-24

Family

ID=90476773

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23871306.9A Pending EP4570397A4 (en) 2022-09-28 2023-06-06 METHOD FOR MANUFACTURING A PRESS-MOLDED PRODUCT

Country Status (7)

Country Link
US (1) US20260077399A1 (en)
EP (1) EP4570397A4 (en)
JP (1) JP7476935B2 (en)
KR (1) KR20250055551A (en)
CN (1) CN119947843A (en)
MX (1) MX2025003701A (en)
WO (1) WO2024070061A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017042773A (en) * 2015-08-24 2017-03-02 Ｊｆｅスチール株式会社 Press molding method
CN106660098A (en) * 2014-07-30 2017-05-10 杰富意钢铁株式会社 Press forming method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007130671A (en) 2005-11-11 2007-05-31 M & M Research:Kk Twist judgment in press working, its correction program, and method
JP5270816B2 (en) 2006-03-22 2013-08-21 プレス工業株式会社 Channel material
JP5987934B2 (en) 2015-02-17 2016-09-07 Ｊｆｅスチール株式会社 Press molding method, press mold
WO2020235152A1 (en) 2019-05-20 2020-11-26 Ｊｆｅスチール株式会社 Method for manufacturing pressed component, and shape correction die
JP7448464B2 (en) 2020-12-01 2024-03-12 株式会社神戸製鋼所 Manufacturing method of steel parts

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106660098A (en) * 2014-07-30 2017-05-10 杰富意钢铁株式会社 Press forming method
JP2017042773A (en) * 2015-08-24 2017-03-02 Ｊｆｅスチール株式会社 Press molding method

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
See also references of WO2024070061A1 *
XUE XIN ET AL: "Modelling and sensitivity analysis of twist springback in deep drawing of dual-phase steel", MATERIALS & DESIGN, vol. 90, 11 November 2015 (2015-11-11), pages 204 - 217, XP029357520, ISSN: 0264-1275, DOI: 10.1016/J.MATDES.2015.10.127 *

Also Published As

Publication number Publication date
WO2024070061A1 (en) 2024-04-04
JP2024048676A (en) 2024-04-09
US20260077399A1 (en) 2026-03-19
KR20250055551A (en) 2025-04-24
CN119947843A (en) 2025-05-06
EP4570397A1 (en) 2025-06-18
JP7476935B2 (en) 2024-05-01
MX2025003701A (en) 2025-05-02

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