EP3243578A3 - Method and press tool for producing a complex sheet metal part with high draw depth - Google Patents

Method and press tool for producing a complex sheet metal part with high draw depth Download PDF

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Publication number
EP3243578A3
EP3243578A3 EP17000777.7A EP17000777A EP3243578A3 EP 3243578 A3 EP3243578 A3 EP 3243578A3 EP 17000777 A EP17000777 A EP 17000777A EP 3243578 A3 EP3243578 A3 EP 3243578A3
Authority
EP
European Patent Office
Prior art keywords
sheet
producing
metal part
sheet metal
die
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.)
Granted
Application number
EP17000777.7A
Other languages
German (de)
French (fr)
Other versions
EP3243578A2 (en
EP3243578B1 (en
Inventor
Timo Alpen
Holger Dierolf
Jörg Spindler
Torsten Schilling
Bernhard Oberpriller
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.)
Audi AG
Original Assignee
Audi AG
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 Audi AG filed Critical Audi AG
Publication of EP3243578A2 publication Critical patent/EP3243578A2/en
Publication of EP3243578A3 publication Critical patent/EP3243578A3/en
Application granted granted Critical
Publication of EP3243578B1 publication Critical patent/EP3243578B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/06—Stamping using rigid devices or tools having relatively-movable die 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/20—Deep-drawing
    • B21D22/22—Deep-drawing with devices for holding the edge of the blanks
    • 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
    • B21D24/04—Blank holders; Mounting means therefor
    • 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
    • B21D24/10—Devices controlling or operating blank holders independently, or in conjunction with dies
    • 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
    • B21D37/10—Die sets; Pillar guides

Abstract

Verfahren zur Herstellung eines komplexen Blechformteils mittels pressengebundenem Werkzeug, mit:
- Einlegen eines Blechs (M) und Abwärtshub des Werkzeugoberteils (120), wobei das Blech (M) im Randbereich zwischen Matrizenring (160) und Niederhalter (140) geklemmt wird;
- weiterer Abwärtshub, wobei das Blech (M) zuerst über ausgefahrene Stempeleinsätze (131, 132, 133) gezogen wird und dabei lokale Materialbevorratungen im Blech (M) erzeugt werden;
- weiterer Abwärtshub bis Matrizenring (160) und Niederhalter (140) ihre Totpunkte erreichen, wobei gleichzeitig die Stempeleinsätze (131, 132, 133) aktiv zurückbewegt werden und die lokalen Materialbevorratungen freigeben und wobei das Blech (M) bereits bereichsweise zwischen Matrizenring (160) und Stempel (130) ausgeformt wird;
- weiterer Abwärtshub bis die Matrize (150) ihren Totpunkt erreicht, wobei das Nachfließen aus dem Randbereich verhindert und das Blech (M) lediglich unter Ausnutzung der lokalen Materialbevorratungen zwischen Matrize (150) und Stempel (130) fertig ausgeformt wird.Method for producing a complex sheet metal part by means of a press-bonded tool, comprising:
- Inserting a sheet (M) and downward stroke of the upper tool part (120), wherein the sheet (M) in the edge region between the die ring (160) and hold-down (140) is clamped;
- Further downstroke, wherein the sheet (M) is first pulled over extended punch inserts (131, 132, 133) and thereby local material supplies in the sheet (M) are generated;
- Further down stroke until Matrizenring (160) and hold down (140) reach their dead centers, while the punch inserts (131, 132, 133) are actively moved back and release the local material stocks and the sheet (M) already partially between Matrizenring (160) and stamp (130) is formed;
- Further downward stroke until the die (150) reaches its dead center, wherein the Nachfließen prevented from the edge region and the sheet (M) only by using the local material stocks between die (150) and punch (130) is fully formed.

Ferner zur Ausführung dieses Verfahrens geeignetes Werkzeug (100).

Figure imgaf001
Furthermore, tool (100) suitable for carrying out this method.
Figure imgaf001
EP17000777.7A 2016-05-13 2017-05-05 Method and press tool for producing a complex sheet metal part with high draw depth Active EP3243578B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102016005902.8A DE102016005902B3 (en) 2016-05-13 2016-05-13 Method and press tool for producing a complex sheet metal part with high draw depth

Publications (3)

Publication Number Publication Date
EP3243578A2 EP3243578A2 (en) 2017-11-15
EP3243578A3 true EP3243578A3 (en) 2017-11-22
EP3243578B1 EP3243578B1 (en) 2018-10-03

Family

ID=58672257

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17000777.7A Active EP3243578B1 (en) 2016-05-13 2017-05-05 Method and press tool for producing a complex sheet metal part with high draw depth

Country Status (5)

Country Link
US (1) US10646911B2 (en)
EP (1) EP3243578B1 (en)
JP (1) JP6370437B2 (en)
CN (1) CN107363147B (en)
DE (1) DE102016005902B3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6721544B2 (en) * 2017-06-28 2020-07-15 株式会社神戸製鋼所 Method for manufacturing press-formed products
CN108856513A (en) * 2018-07-08 2018-11-23 苏州华吉威自动化设备有限公司 A kind of bend punching die
JP6670409B1 (en) * 2019-03-11 2020-03-18 マレリ株式会社 Press device and press method
JP7111063B2 (en) * 2019-06-04 2022-08-02 Ｊｆｅスチール株式会社 Press molding equipment
DE102021100281B3 (en) 2021-01-11 2022-05-05 Audi Aktiengesellschaft Forming tool and method for operating a forming tool
FR3122589B1 (en) * 2021-05-06 2023-04-21 Psa Automobiles Sa Stamping press tool for stamping a sheet metal blank and corresponding stamping process.

Citations (4)

* Cited by examiner, † Cited by third party
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DE19842750A1 (en) * 1998-09-18 2000-04-06 Audi Ag Deep-drawn hollow part or tool manufacture comprises placing sheet holder against die, moving drawing punch, bringing punch against die and separating punch and die
DE69531233T2 (en) * 1995-02-10 2004-04-22 Ogihara America Corp., Howell Mechanism and method for molding blanks
JP2007326112A (en) * 2006-06-06 2007-12-20 Hiroshima Pref Gov Press forming method
US20120137749A1 (en) * 2010-12-06 2012-06-07 Hyundai Motor Company Press system

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JPS5731417A (en) * 1980-08-05 1982-02-19 Toyota Motor Corp Deep drawing method
DD160956A3 (en) * 1981-01-14 1984-07-11 Schwarzenberg Waschgeraete METHOD FOR PRODUCING THOROUGH BROADCAST PARTS
JPS6038622U (en) * 1983-08-25 1985-03-18 トヨタ自動車株式会社 Drawing type structure
JPH08206746A (en) * 1995-01-30 1996-08-13 Isuzu Motors Ltd Deep drawing device
US5941110A (en) * 1997-05-12 1999-08-24 Northern University Adaptive method and apparatus for forming tailor welded blanks
JP2007098443A (en) * 2005-10-05 2007-04-19 Toyota Motor Corp Press forming method and press forming apparatus
DE102006005964B3 (en) * 2006-02-08 2007-07-19 Benteler Automobiltechnik Gmbh Manufacturing process for vehicle component involves making process groove in plate and pressing at least one edge against support to press out groove later
JP2007268608A (en) * 2006-03-08 2007-10-18 Kobe Steel Ltd Press-forming method of aluminum alloy sheet and press device
DE112007002428T5 (en) * 2006-10-17 2009-09-17 Honda Motor Co., Ltd. Press working method and press working apparatus
CN101164715B (en) 2006-10-18 2010-08-11 宝山钢铁股份有限公司 Unsymmetrical stretching forming mould capable of inducing plate material to rebound
JP4922037B2 (en) * 2007-03-28 2012-04-25 株式会社神戸製鋼所 Aluminum alloy sheet press forming method and press forming apparatus
DE102007050580A1 (en) * 2007-10-23 2009-04-30 Gerd Reitter Plate i.e. sheet metal plate shaping method for producing e.g. beer barrel, in mechanical press, involves applying reformation strength at internal area of plate against effective direction of deformation strength after deformation of area
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Patent Citations (4)

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Publication number Priority date Publication date Assignee Title
DE69531233T2 (en) * 1995-02-10 2004-04-22 Ogihara America Corp., Howell Mechanism and method for molding blanks
DE19842750A1 (en) * 1998-09-18 2000-04-06 Audi Ag Deep-drawn hollow part or tool manufacture comprises placing sheet holder against die, moving drawing punch, bringing punch against die and separating punch and die
JP2007326112A (en) * 2006-06-06 2007-12-20 Hiroshima Pref Gov Press forming method
US20120137749A1 (en) * 2010-12-06 2012-06-07 Hyundai Motor Company Press system

Also Published As

Publication number Publication date
EP3243578A2 (en) 2017-11-15
EP3243578B1 (en) 2018-10-03
JP6370437B2 (en) 2018-08-08
US20170326612A1 (en) 2017-11-16
CN107363147B (en) 2019-02-19
CN107363147A (en) 2017-11-21
DE102016005902B3 (en) 2017-06-29
US10646911B2 (en) 2020-05-12
JP2017202525A (en) 2017-11-16

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