EP1097758B1 - Verfahren zur Herstellung eines grossflächigen Blechteiles, insbesondere eines Karosseriebauteiles für ein Fahrzeug - Google Patents
Verfahren zur Herstellung eines grossflächigen Blechteiles, insbesondere eines Karosseriebauteiles für ein Fahrzeug Download PDFInfo
- Publication number
- EP1097758B1 EP1097758B1 EP00119880A EP00119880A EP1097758B1 EP 1097758 B1 EP1097758 B1 EP 1097758B1 EP 00119880 A EP00119880 A EP 00119880A EP 00119880 A EP00119880 A EP 00119880A EP 1097758 B1 EP1097758 B1 EP 1097758B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- stretched
- shape
- die
- deep
- tool
- 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.)
- Expired - Lifetime
Links
Images
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
-
- 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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
- B21D26/021—Deforming sheet bodies
-
- 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
- B21D22/26—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
- B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
- B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
Definitions
- the invention relates to a method for producing a large sheet metal part, in particular a body component for a vehicle from a flat circuit board according to Preamble of Claim 1. Such a method is known from the DE 19717953 A known.
- Deep drawing takes place in hydraulic or mechanical Drawing presses instead.
- a flat, trimmed sheet metal part, the board is in a conventional forming tool is inserted and stretched and compressed into one Formed hollow body.
- large sheet metal parts manufactured in this way shown that they are particularly in the case of slight curvature in a central area of their Area extension are relatively soft and have only a low buckling stiffness there.
- Hydromechanical deep drawing (Hydromec process) is also used to manufacture sheet metal parts. known. With these processes, no die is required, rather the press Pull the clamped board into a one filled with an active medium (water) Vessel that replaces the die. The water pressure causes the sheet to form of the drawing die.
- the clamped Blank pre-stretched before the actual shaping process to a to achieve increased ironing and thus increased strengthening in the middle of the sinker.
- the object of the invention is a method for producing a large area To create sheet metal part from a flat board, which with increased buckling stiffness in the Short cycle times of the sheet metal part enabled in the middle of the board.
- the main advantages achieved with the invention are the fact that by combining two known processes for the first time, namely the stretching of one First, level the circuit board using the active medium to achieve strain hardening in the middle of the board and the conventional pressing (deep drawing) of sheet metal parts Advantages of both processes - optimized component behavior and high process effectiveness - come to fruition.
- the pre-stretched sheets can be produced on systems with relatively low clamping forces as the maximum pressures required are approx. 15 bar. Even mechanical Presses can be used.
- the well-known hydromechanical Finished molds require high pressures, which in turn lead to high press clamping forces lead are not necessary in the method according to the invention, since the final molding done here conventionally. Because the stretching in contrast to the hydromechanical Finished molds take up little time, the cycle time at The inventive method significantly reduced.
- pre-stretched sheets are in a linked press line as first operation imaginable.
- the semi-finished product Pre-stretched blanks (comparable to tailored blanks) at the press shop to be delivered.
- tailored blanks are also for further weight reduction conceivable.
- a solidification e.g. in the area of the thinner sheet local increase in buckling stiffness can be used (example Base plate / tunnel / bottom plate).
- Pre-stretched boards can also be found in soft tools commonly used in prototype manufacturing Find use, be used. So far it was not possible because of the high Occurring pressures of hydromechanically manufactured parts using so-called soft tools reshape.
- the method according to the invention can increase component rigidity again a clear weight reduction potential through the use of thinner Sheet metal offers can be achieved without the previous disadvantages of hydromechanical shaped sheets - very high process cycle time and high system costs - in purchase to have to take. It can be the conventional sheet metal forming processes achieve comparable cycle times. A separate production of the preformed blanks e.g. can be carried out at the semi-finished product manufacturer. So it is also a commitment for Prototype components possible with almost no cost.
- a body part For a vehicle first cut or punch a plane Board 2 created. This board 2 is then inserted into a forming tool 3, which consists of a fixed lower part 4 and an upper movable die 5 composed. Connected to the die 5 are spaced apart Hold-down device 6 which, when the forming tool 3 is closed, against the top of the Press board 2 and thus position it correctly in the forming tool 3.
- a forming tool 3 which consists of a fixed lower part 4 and an upper movable die 5 composed.
- Hold-down device 6 Connected to the die 5 are spaced apart Hold-down device 6 which, when the forming tool 3 is closed, against the top of the Press board 2 and thus position it correctly in the forming tool 3.
- the cavity 7 there is a cavity 7 in the lower part 4 adjacent to the circuit board 2 provided for an active medium 8.
- the cavity 7 has an inlet or outlet 9 provided for the active medium 8.
- a liquid is preferably used as the active medium 8 (Water, oil or the like) is used.
- the active medium 8 could also be pneumatic be trained (e.g. air).
- the die 5 has a profiled on its underside Shape up.
- the pre-stretched, profiled Preform 10 removed from the forming tool and into a conventional one multi-part deep-drawing tool 11 inserted and there in a deep-drawing process in the Formed end shape 12.
- the deep drawing tool 11 comprises a fixed lower part 13 with an insert 14 which determines the final shape 12, a movable upper part 15 and Hold-down device 16.
- the circuit board 2 can have one over the entire area have constant wall thickness; however, the board 2 can also be used as a tailored blanks component be trained.
Description
- Fig. 1A
- ein offenes Umformwerkzeug mit eingelegter ebener Platine, wobei die Matritze eine profilierte Form aufweist.
- Fig. 1 B
- das geschlossene Umformwerkzeug mit vorgereckter Platine
- Fig. 1C
- das entnommene vorgereckte Blechteil
- Fig. 1D
- das in ein herkömmliches Tiefziehwerkzeug eingelegte und bereits in eine Endform umgeformtes Blechteil
- Fig. 2A
- ein offenes Umformwerkzeug mit eingelegter ebener Platine, wobei die Matritze eine ebene Form aufweist
- Fig. 2B
- das geschlossene Umformwerkzeug mit vorgereckter Platine
- Fig. 2C
- das entnommene vorgereckte Blechteil
- Fig. 2D
- das in ein herkömmliches Tiefziehwerkzeug eingelegte und bereits in eine Endform umgeformte Blechteil.
Claims (6)
- Verfahren zur Herstellung eines großflächigen Blechteiles, insbesondere eines Karosserieteiles für ein Fahrzeug aus einer ebenen Platine, wobei die ebene Platine (2) durch einseitige Beaufschlagung mit einem Wirkmedium (8) in eine vorgereckte Vorform (10) und anschließend durch Tiefziehen in eine Endform (12) gebracht wird, dadurch gekennzeichnet, dass das Herstellen der vorgereckten Vorform (10) in einem Umformwerkzeug (3) bei Drücken unterhalb von 15 bar und das nachfolgende Endformen in einem separaten Tiefziehwerkzeug (11) erfolgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass das das Herstellen der vorgereckten Vorform (10) eine erste Operation an einer verketteten Pressenstraße darstellt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die vorgereckte Vorform (10) von einem Halbzeughersteller angeliefert wird.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Matratze (5) des Umformwerkzeuges (3) an ihrer Unterseite glattfächig ausgebildet ist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Matratze (5) des Umformwerkzeuges (3) an ihrer Unterseite eine profilierte Form aufweist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, dass die Platine (2) als Tailored Blanks-Bauteil ausgebildet ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19953522 | 1999-11-05 | ||
DE19953522A DE19953522A1 (de) | 1999-11-05 | 1999-11-05 | Verfahren zur Herstellung eines großflächigen Blechteiles, insbesondere eines Karosseriebauteiles für ein Fahrzeug |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1097758A2 EP1097758A2 (de) | 2001-05-09 |
EP1097758A3 EP1097758A3 (de) | 2002-01-02 |
EP1097758B1 true EP1097758B1 (de) | 2004-12-01 |
Family
ID=7928191
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00119880A Expired - Lifetime EP1097758B1 (de) | 1999-11-05 | 2000-09-13 | Verfahren zur Herstellung eines grossflächigen Blechteiles, insbesondere eines Karosseriebauteiles für ein Fahrzeug |
Country Status (6)
Country | Link |
---|---|
US (1) | US6675620B1 (de) |
EP (1) | EP1097758B1 (de) |
JP (1) | JP2001162330A (de) |
KR (1) | KR20010051446A (de) |
DE (2) | DE19953522A1 (de) |
ES (1) | ES2228374T3 (de) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003053438A (ja) * | 2001-08-10 | 2003-02-26 | Showa Denko Kk | 張出し成形加工方法および容器 |
NL1019185C2 (nl) * | 2001-10-17 | 2003-04-18 | Corus Staal Bv | Werkwijze voor het vervaardigen van een houder en houder voor het opnemen van een vloeistof en/of gas. |
CN1596160A (zh) * | 2001-10-17 | 2005-03-16 | 科鲁斯斯塔尔有限公司 | 生产装加压流体的容器所用方法以及此种类型的容器 |
US6796267B2 (en) | 2001-12-18 | 2004-09-28 | Dubarry Suzanne | Reminder for periodic tasks including taking medication |
FR2851579B1 (fr) * | 2003-02-26 | 2005-04-01 | Pechiney Rhenalu | PROCEDE D'EMBOUTISSAGE A TIEDE DE PIECES EN ALLIAGE A1-Mg |
DE10347601B4 (de) * | 2003-10-14 | 2011-01-27 | Benteler Automobiltechnik Gmbh | Vorrichtung und Verfahren zum hydraulischen Hochdruckumformen einer Platine |
DE102004054120B4 (de) * | 2004-11-08 | 2006-08-24 | Thyssenkrupp Steel Ag | Verfahren zum Umformen einer großflächigen Blechplatine zu einem Formteil, wie einem Außenhautteil einer Kraftfahrzeugkarosserie |
DE102005001829B4 (de) * | 2005-01-14 | 2009-05-07 | Audi Ag | Verfahren zum Umformen einer Platine |
WO2006117412A2 (es) | 2005-04-29 | 2006-11-09 | Autotech Engineering, A.I.E. | Traviesa de refuerzo de parachoques y método para su obtención |
DE102006040893B3 (de) * | 2006-08-31 | 2008-01-10 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines Blechbauteils für Kraftfahrzeuge |
US9522419B2 (en) * | 2008-05-05 | 2016-12-20 | Ford Global Technologies, Llc | Method and apparatus for making a part by first forming an intermediate part that has donor pockets in predicted low strain areas adjacent to predicted high strain areas |
US20090272171A1 (en) * | 2008-05-05 | 2009-11-05 | Ford Global Technologies, Llc | Method of designing and forming a sheet metal part |
DE102010052738A1 (de) * | 2010-11-26 | 2012-05-31 | Daimler Ag | Verfahren und Vorrichtung zur Herstellung von Bauelementen für eine elektrochemische Zelle, insbesondere eine Brennstoffzelle, oder einen elektrochemischen Energiespeicher |
JP5941369B2 (ja) * | 2012-08-10 | 2016-06-29 | 株式会社エイチワン | 液圧成形方法および液圧成形装置 |
CN106238551A (zh) * | 2016-07-28 | 2016-12-21 | 南昌航空大学 | 一种基于在普通液压机上实现板材液压成形的装置及方法 |
JP6596466B2 (ja) * | 2017-06-06 | 2019-10-23 | 株式会社Subaru | 車両用パネル構造 |
DE102020120760B4 (de) | 2020-08-06 | 2022-03-24 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Fertigungsanlage und Verfahren zum Betreiben einer Fertigungsanlage |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4045986A (en) * | 1976-04-05 | 1977-09-06 | T.I. Superform | Forming ductile materials |
CH633203A5 (de) * | 1978-03-31 | 1982-11-30 | Alusuisse | Verfahren und vorrichtung zum herstellen einer verpackungsmulde in einer metall-kunststoffverbundfolie. |
JPS5966939A (ja) * | 1982-10-07 | 1984-04-16 | Honda Motor Co Ltd | フランジ付カツプ状物のプレス成形方法 |
US5322206A (en) | 1991-03-19 | 1994-06-21 | Yamaha Corporation | Golf club head and a process for producing the same |
JP2524433B2 (ja) * | 1991-03-19 | 1996-08-14 | ヤマハ株式会社 | ゴルフクラブヘッドの製法 |
JPH05212463A (ja) * | 1992-02-05 | 1993-08-24 | Nippon Steel Corp | 液圧及び金型の併用による金属薄板の成形装置 |
US5823032A (en) * | 1994-04-07 | 1998-10-20 | The Boeing Company | Prethinning for superplastic forming |
DE4434799A1 (de) * | 1994-09-29 | 1996-04-04 | Smg Sueddeutsche Maschinenbau | Verfahren und Vorrichtung zum Umformen von Metallblech |
DE19624036A1 (de) * | 1996-06-17 | 1997-12-18 | Matthias Prof Dr Ing Kleiner | Verfahren und Werkzeugsystem zum pneumomechanischen Tiefziehen |
DE19717953A1 (de) * | 1997-04-28 | 1998-10-29 | Bayerische Motoren Werke Ag | Verfahren zum hydromechanischen Stülpziehen von Metallblechen |
-
1999
- 1999-11-05 DE DE19953522A patent/DE19953522A1/de not_active Withdrawn
-
2000
- 2000-09-13 DE DE50008822T patent/DE50008822D1/de not_active Expired - Lifetime
- 2000-09-13 EP EP00119880A patent/EP1097758B1/de not_active Expired - Lifetime
- 2000-09-13 ES ES00119880T patent/ES2228374T3/es not_active Expired - Lifetime
- 2000-11-02 JP JP2000336349A patent/JP2001162330A/ja active Pending
- 2000-11-04 KR KR1020000065346A patent/KR20010051446A/ko not_active Application Discontinuation
- 2000-11-06 US US09/705,919 patent/US6675620B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2228374T3 (es) | 2005-04-16 |
KR20010051446A (ko) | 2001-06-25 |
DE19953522A1 (de) | 2001-05-17 |
US6675620B1 (en) | 2004-01-13 |
EP1097758A3 (de) | 2002-01-02 |
DE50008822D1 (de) | 2005-01-05 |
EP1097758A2 (de) | 2001-05-09 |
JP2001162330A (ja) | 2001-06-19 |
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