EP3785819A4 - Punch hole forming method and punch hole forming device - Google Patents

Punch hole forming method and punch hole forming device Download PDF

Info

Publication number
EP3785819A4
EP3785819A4 EP19774885.8A EP19774885A EP3785819A4 EP 3785819 A4 EP3785819 A4 EP 3785819A4 EP 19774885 A EP19774885 A EP 19774885A EP 3785819 A4 EP3785819 A4 EP 3785819A4
Authority
EP
European Patent Office
Prior art keywords
hole forming
punch hole
forming method
forming device
punch
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Withdrawn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
EP19774885.8A
Other languages
German (de)
French (fr)
Other versions
EP3785819A1 (en
Inventor
Norihisa Shinke
Mitsuaki Echigo
Yuji Tsuda
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.)
Osaka Gas Co Ltd
Original Assignee
Osaka Gas 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 Osaka Gas Co Ltd filed Critical Osaka Gas Co Ltd
Publication of EP3785819A1 publication Critical patent/EP3785819A1/en
Publication of EP3785819A4 publication Critical patent/EP3785819A4/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Withdrawn legal-status Critical Current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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/005—Processes combined with methods covered by groups B21D1/00 - B21D31/00 characterized by the material of the blank or the workpiece
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/34—Perforating tools; Die holders
    • 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
    • B21D37/01—Selection of materials
    • 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
    • B21D45/00—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass
    • B21D45/003—Ejecting or stripping-off devices arranged in machines or tools dealt with in this subclass in punching machines or punching tools
    • B21D45/006—Stripping-off devices
EP19774885.8A 2018-03-30 2019-03-29 Punch hole forming method and punch hole forming device Withdrawn EP3785819A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018070339A JP7129807B2 (en) 2018-03-30 2018-03-30 Punch hole forming method and punch hole forming apparatus
PCT/JP2019/014375 WO2019189910A1 (en) 2018-03-30 2019-03-29 Punch hole forming method and punch hole forming device

Publications (2)

Publication Number Publication Date
EP3785819A1 EP3785819A1 (en) 2021-03-03
EP3785819A4 true EP3785819A4 (en) 2022-07-27

Family

ID=68060224

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19774885.8A Withdrawn EP3785819A4 (en) 2018-03-30 2019-03-29 Punch hole forming method and punch hole forming device

Country Status (7)

Country Link
US (1) US20210154723A1 (en)
EP (1) EP3785819A4 (en)
JP (1) JP7129807B2 (en)
KR (1) KR20200134303A (en)
CN (1) CN111902225A (en)
CA (1) CA3107619A1 (en)
WO (1) WO2019189910A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7052743B2 (en) * 2019-01-25 2022-04-12 トヨタ自動車株式会社 Steel sheet forming method and punching machine
EP3685933B1 (en) 2019-01-25 2021-09-08 Toyota Jidosha Kabushiki Kaisha Method for processing steel plate
DE102022203467A1 (en) * 2022-04-07 2023-10-12 Robert Bosch Gesellschaft mit beschränkter Haftung Diffusion layer for an electrochemical cell and method of producing a diffusion layer
CN117324475B (en) * 2023-11-27 2024-02-13 常州市百亿达尔科技股份有限公司 Floor iron sheet counter bore processingequipment for track traffic

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309421A (en) * 1969-03-07 1973-03-14 Pierce All Mfg Ltd Punch and stripper unit
US3733944A (en) * 1971-10-12 1973-05-22 Warner Swasey Co Selective stripper mechanism
JP2011041974A (en) * 2009-08-24 2011-03-03 Unipres Corp Cutting working machine and cutting working method for metallic material to be worked
EP2551036A1 (en) * 2010-03-24 2013-01-30 Ogawa, Hiroshi Method of manufacturing door hinge for automobile

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US2396108A (en) * 1941-05-09 1946-03-05 Loewy Eng Co Ltd Metalworking press
US2611434A (en) * 1948-01-12 1952-09-23 Charles M Mugler Coring or perforating device
US2783363A (en) * 1954-12-10 1957-02-26 Douglas Aircraft Co Inc Dimple die heater
US4122700A (en) * 1976-09-02 1978-10-31 Armco Steel Corporation Process for forming sheet metal stock
JPS5573428A (en) * 1978-11-29 1980-06-03 Hitachi Ltd Cutting and holing method of aluminum material
JPS6393413A (en) * 1986-10-06 1988-04-23 Kawasaki Steel Corp Blanking method for stainless steel coin
JPS63165031A (en) * 1986-12-26 1988-07-08 Kosumetsuku:Kk Knockout apparatus for punching hole on worked plate of press machine
JPH08309473A (en) * 1995-05-15 1996-11-26 Daido Steel Co Ltd Method for cooling punch for forging
JP2000094066A (en) * 1998-09-24 2000-04-04 Sumitomo Electric Ind Ltd Method for treating die
US6270601B1 (en) * 1998-11-02 2001-08-07 Coorstek, Inc. Method for producing filled vias in electronic components
JP3861055B2 (en) * 2000-12-19 2006-12-20 本田技研工業株式会社 Method for manufacturing mold made of inclined composite material
JP2004106024A (en) * 2002-09-19 2004-04-08 Oota:Kk Press-forming method for metal sheet
GB2404231B (en) * 2003-07-24 2006-09-06 Newfrey Llc Improved blind fastener and method of setting
JP2006110594A (en) * 2004-10-14 2006-04-27 Maruemu Works Co Ltd Method for working material difficult to be worked
NL1028999C2 (en) * 2004-12-22 2006-06-23 Carlisle Process Systems B V Fluidization bottom.
US8490278B2 (en) * 2005-08-25 2013-07-23 Toyo Kohan Co., Ltd. Method for production of magnesium alloy molding-processed article, and magnesium alloy molding-processed article
JP2007175751A (en) * 2005-12-28 2007-07-12 Aisin Seiki Co Ltd Press die
JP5396735B2 (en) * 2008-03-31 2014-01-22 Ｊｆｅスチール株式会社 High silicon steel strip punching method and punching equipment
WO2010018703A1 (en) * 2008-08-12 2010-02-18 株式会社高橋型精 Punching die and punching die temperature control system
CN101486060B (en) * 2009-02-24 2010-12-29 山东大学 Thermoforming and hole-punching integrated technique and mold of high-duty steel part
CN102172815B (en) * 2011-01-17 2012-11-21 江阴东大新材料研究院 Hot extrusion forming method for inner hexagonal bolt blank of titanium alloy
JP5906054B2 (en) * 2011-10-14 2016-04-20 住友電気工業株式会社 Molding method of green compact
US9327333B2 (en) * 2012-05-07 2016-05-03 Stolle Machinery Company, Llc Gas cooling method for can forming
CN102717518B (en) * 2012-06-25 2015-03-04 江苏大学 Integrated manufacture and testing device and testing method for carbon fiber composite material
US20160067760A1 (en) * 2013-05-09 2016-03-10 Nippon Steel & Sumitomo Metal Corporation Surface layer grain refining hot-shearing method and workpiece obtained by surface layer grain refining hot-shearing
JP5887008B1 (en) * 2015-07-08 2016-03-16 株式会社アクト Manufacturing method of sheet member
JP6531265B2 (en) * 2017-03-27 2019-06-19 石崎プレス工業株式会社 METHOD FOR MANUFACTURING METAL PARTS AND APPARATUS FOR MANUFACTURING METAL PARTS
KR102028872B1 (en) * 2017-11-09 2019-10-04 닛토덴코 가부시키가이샤 Waterproof sound absorbing member and electronic device provided with the same

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1309421A (en) * 1969-03-07 1973-03-14 Pierce All Mfg Ltd Punch and stripper unit
US3733944A (en) * 1971-10-12 1973-05-22 Warner Swasey Co Selective stripper mechanism
JP2011041974A (en) * 2009-08-24 2011-03-03 Unipres Corp Cutting working machine and cutting working method for metallic material to be worked
EP2551036A1 (en) * 2010-03-24 2013-01-30 Ogawa, Hiroshi Method of manufacturing door hinge for automobile

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
MORI K ET AL: "Punching of ultra-high strength steel sheets using local resistance heating of shearing zone", JOURNAL OF MATERIALS PROCESSING TECHNOLOGY, ELSEVIER, NL, vol. 212, no. 2, 22 October 2011 (2011-10-22), pages 534 - 540, XP028119950, ISSN: 0924-0136, [retrieved on 20111029], DOI: 10.1016/J.JMATPROTEC.2011.10.021 *
See also references of WO2019189910A1 *

Also Published As

Publication number Publication date
WO2019189910A1 (en) 2019-10-03
CN111902225A (en) 2020-11-06
CA3107619A1 (en) 2019-10-03
EP3785819A1 (en) 2021-03-03
KR20200134303A (en) 2020-12-01
JP2019177417A (en) 2019-10-17
JP7129807B2 (en) 2022-09-02
US20210154723A1 (en) 2021-05-27

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