EP0979693A2 - Dichtkanal für eine Tür- oder Heckklappenöffnung bzw. Verfahren zu dessen Herstellung - Google Patents
Dichtkanal für eine Tür- oder Heckklappenöffnung bzw. Verfahren zu dessen Herstellung Download PDFInfo
- Publication number
- EP0979693A2 EP0979693A2 EP99114293A EP99114293A EP0979693A2 EP 0979693 A2 EP0979693 A2 EP 0979693A2 EP 99114293 A EP99114293 A EP 99114293A EP 99114293 A EP99114293 A EP 99114293A EP 0979693 A2 EP0979693 A2 EP 0979693A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- metal plate
- sealing channel
- thickness
- areas
- material thickness
- 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
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
- 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
- B21B—ROLLING OF METAL
- B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
- B21B37/16—Control of thickness, width, diameter or other transverse dimensions
- B21B37/24—Automatic variation of thickness according to a predetermined programme
- B21B37/26—Automatic variation of thickness according to a predetermined programme for obtaining one strip having successive lengths of different constant thickness
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/065—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes starting from a specific blank, e.g. tailored 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
- 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
- B21D35/006—Blanks having varying thickness, e.g. tailored blanks
Definitions
- this includes the closing forces of the doors or tailgates, but also the design of the rubber seals or their elasticity, shape and strength.
- sealing channels are subjected to a corresponding load, in particular by suddenly occurring pressure forces - as an acting force, in particular when the users of a motor vehicle after exiting or unloading the door or the tailgate of the motor vehicle throw ".
- the sealing channel mentioned here acts as a kind Gutter "and should ensure this function accordingly.
- the entire body, including the sealing channel with regard to strength, rigidity and elasticity, must be dimensioned accordingly, so that the corresponding requirements when using the motor vehicle can be met.
- the Tailored-blank technique that Patchwork technique
- the Perforation technique applied Tailored-blank technology
- the corresponding components are made of metal sheets of different thicknesses composite ", whereby the individual sheets are connected accordingly with the aid of weld seams.
- sheets of greater thickness are used in areas where higher stress conditions occur and sheets of reduced thickness are used in areas where lower stress conditions occur
- Patchwork technique are areas with higher stress levels thickened by stacking sheets here and then connecting them together.
- Perforation technology tries to perforate a component that has a correspondingly large thickness in the areas in order to achieve the corresponding weight savings in which lower stress conditions occur. All of the methods and techniques mentioned here are sometimes labor-intensive and only with realizable with great effort.
- the task outlined above is now achieved in that the unshaped Metal board initially has a constant material thickness that the metal board through a rolling process is then first formed so that at least two areas different material thickness exist and that eventually the areas differ trained metal plate metal plate by a further forming to finished sealing channel is formed.
- the previously derived task is for the sealing channel solved in that at least two areas formed by a rolling process of different material thickness are provided, namely a first area with a larger and a second area with a smaller material thickness is provided, wherein - With a force acting on the sealing channel - a larger one in the first area Load condition exists as in the second area.
- the sealing channel produced in particular by this method has consequently, two areas of different shapes formed by one rolling operation Material thickness, namely a first area with a larger and a second Area with a smaller material thickness, whereby - especially due to the last Forming process for the production of the finished sealing channel - with one on the sealing channel force acting in the first area has a greater load state than in the second Area. Consequently, the sealing channel according to the invention realizes the corresponding one Weight saving due to the training of the corresponding areas and is Finally, it is also dimensioned so that it is in these areas withstands different load conditions accordingly or here the required Has rigidity, strength and / or elasticity.
- the sealing channel 1 In the method for producing the sealing channel 1 shown in FIG. 2 for a door or The tailgate opening in the body of a motor vehicle is the sealing channel 1 an unshaped metal plate or already partially shown in FIG. 1 formed metal plate 1a produced by at least one forming process.
- the unshaped Metal board initially has a constant material thickness that the metal board through a rolling process is then first formed so that at least two areas 2 and 3 different material thickness exist and that finally the areas 2 and 3 differently formed material thickness having metal plate 1a by another Forming to the finished sealing channel 1 is formed.
- sealing channel 1 shows the already partially formed metal plate 1a, which is already one Rolling process has been subjected.
- two areas are here 2 and 3 of different material thickness, namely a first region 2 with a larger and a second area 3 with a smaller material thickness, with a force acting on the sealing channel 1 - a larger one in the first region 2 Load condition exists as in the second area 3.
- sealing channel 1 according to the invention can save a corresponding amount of weight on the Vehicle body as well as in a very inexpensive way dimensioned sealing channel 1 are produced.
- metal boards 1a are different Sheet thickness can be produced by using an unshaped metal plate with the help of an appropriate Rolling device which has a correspondingly variably adjustable roll gap, is rolled thinner in some areas.
- One advantage of the rolling process is, for example, that, on the one hand, there is no abrupt jump in thickness or rigidity, because the transition between the material thicknesses or sheet thicknesses takes place continuously in the form of a ramp, and on the other hand, due to the flexibility of the process, even very small thickness gradations, especially on thicknesses that are normally not available are possible. So you get much closer to the theoretical sheet thickness requirements and avoid the disadvantages of welds in the metal plates, for example as in the Tailored blank technique ".
- the sealing channel 1 can be made from a still unshaped metal plate of 1.25 mm Thickness can be produced and the rolling process without intermediate annealing Recrystallization can be realized, the remaining after the rolling process Forming reserves still allows the formation of the finished sealing channel 1. It is also conceivable that the sealing channel 1 from a still unshaped metal plate of 1.5 mm thickness is manufactured and based on the corresponding degree of deformation Rolling process subsequent recrystallization annealing is realized.
- first and second areas 2 and 3 rising or falling transition area 4 are formed. Still is through a specific design or dimensioning of the first and second region 2 and 3 as well as the transition area 4 a - with an acting force - resulting even load condition realized.
- the metal plates 1a shown here in FIG. 1 can be stored very well, namely possibly rollable back onto a coil and at an appropriate manufacturing site usable A stacking of the metal plates 1 a also appears possible before this to the corresponding sealing channel 1 can be processed further.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Metal Rolling (AREA)
- Body Structure For Vehicles (AREA)
- Gasket Seals (AREA)
- Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
- Seal Device For Vehicle (AREA)
Abstract
Description
- Fig. 1
- eine durch einen Walzvorgang umgeformte Metallplatine nach dem erfindungsgemäßen Verfahren zur Herstellung des fertigen Dichtkanals in einer schematischen Darstellung von oben und
- Fig. 2
- einen fertigen Dichtkanal in einer schematischen perspektivischen Darstellung.
Claims (13)
- Verfahren zur Herstellung eines Dichtkanals (1) für eine Tür- oder Heckklappenöffnung in der Karosserie eines Kraftfahrzeuges, wobei der Dichtkanal (1) aus einer Metallplatine durch mindestens einen Umformvorgang hergestellt wird, dadurch gekennzeichnet, daß die ungeformte Metallplatine zunächst eine konstante Materialdicke aufweist, daß die Metallplatine durch einen Walzvorgang dann zunächst so umgeformt wird, daß mindestens zwei Bereiche (2, 3) unterschiedlicher Materialdicke existieren und daß schließlich die die Bereiche (2,3) unterschiedlich ausgebildeter Materialdicke aufweisende Metallplatine (1a) durch eine weitere Umformung zum fertigen Dichtkanal (1) umgeformt wird.
- Verfahren nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß die ungeformte Metallplatine durch einen variabel einstellbaren Walzspalt geführt wird, so daß ein flexibles Walzen ermöglicht ist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die ungeformte Metallplatine mit Hilfe einer in verschiedenen Bereichen unterschiedliche Außendurchmesser aufweisenden Walze so umgeformt wird, daß innerhalb der Metallplatine (1a) die Bereiche (2, 3) unterschiedlicher Materialdicke entstehen.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß zwischen den Bereichen (2, 3) unterschiedlicher Materialdicke der Metallplatine (1a) ein stetig ansteigender bzw. stetig abfallender Übergangsbereich (4) ausgebildet wird, so daß stufenweise Dicken- bzw. Steifigkeitssprünge vermieden werden.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß durch die Auswahl der Ausgangsfestigkeit und der Ausgangsdicke der ungeformten Metallplatine sowie durch die Auswahl der Enddicke der umgeformten Metallplatine (1a) die Festigkeit der fertig gewalzten Metallplatine (1a) so eingestellt werden kann, daß für den aus dieser Metallplatine (1a) hergestellten Dichtkanal (1) eine belastungsgerechte Dimensionierung erzielt wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Dichtkanal (1) aus einer noch ungeformten Metallplatine von 1,25 mm Dicke hergestellt wird und der Walzvorgang ohne eine Zwischenglühung zur Rekristallisation realisiert wird, wobei die nach dem Walzvorgang verbleibenden Umformreserven noch die Umformung zum fertigen Dichtkanal (1) ermöglichen.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß der Dichtkanal (1) aus einer noch ungeformten Metallplatine von 1,5 mm Dicke hergestellt wird und aufgrund des entsprechenden Umformgrades ein sich an den Walzvorgang anschließendes Rekristallisationsglühen realisiert wird.
- Verfahren nach einem der vorhergehenden Ansprüche, dadurch gekennzeichnet, daß die Metallplatine (1a) nach dem Walzvorgang eine Gesamtbreite (b) von 500 mm und eine Gesamtlänge (l) von 800 mm aufweist, wobei die Metallplatine (1a) einen ersten Bereich (2) mit einer Dicke von 1,25 mm, einer Breite (b2) von 500 mm und einer Länge (l2) von 300 mm, und einen zweiten Bereich (3) mit einer Dicke von 1,05 mm, einer Breite (b3) von 500 mm und einer Länge (l3) von 460 mm, sowie einen zwischen dem ersten und dem zweiten Bereich (2, 3) vorgesehenen Übergangsbereich (4) mit einer Breite (b4) von 500 mm und einer Länge (l4) von 40 mm aufweist.
- Dichtkanal (1) für eine Tür- oder Heckklappenöffnung in der Karosserie eines Kraftfahrzeuges, insbesondere hergestellt nach einem der Ansprüche 1 bis 8, wobei der Dichtkanal (1) aus einer Metallplatine durch mindestens einen Umformvorgang hergestellt ist, dadurch gekennzeichnet, daß mindestens zwei durch einen Walzvorgang ausgebildete Bereiche (2, 3) von unterschiedlicher Materialdicke vorgesehen sind, nämlich ein erster Bereich (2) mit einer größeren und ein zweiter Bereich (3) mit einer geringeren Materialdicke vorgesehen ist, wobei - bei einer auf den Dichtkanal (1) einwirkenden Kraft - im ersten Bereich (2) ein größerer Belastungszustand existiert als im zweiten Bereich (3).
- Dichtkanal nach dem vorhergehenden Anspruch, dadurch gekennzeichnet, daß zwischen dem ersten und zweiten Bereich (2, 3) ein stetig ansteigender bzw. abfallender Übergangsbereich (4) ausgebildet ist.
- Dichtkanal nach einem der Ansprüche 9 oder 10, dadurch gekennzeichnet, daß durch eine bestimmte Ausbildung bzw. Dimensionierung des ersten und zweiten Bereiches (2, 3) sowie des Übergangsbereiches (4) ein - bei einer einwirkenden Kraft - resultierender gleichmäßiger Belastungszustand realisiert ist.
- Dichtkanal nach einem der Ansprüche 9 bis 11, dadurch gekennzeichnet, daß der Dichtkanal (1) aus verzinktem FePO4 hergestellt ist.
- Dichtkanal nach einem der Ansprüche 9 bis 12, dadurch gekennzeichnet, daß der Dichtkanal (1) als eine Art Regenabflußrinne neben der Heckklappenöffnung einer Karosserie anordenbar ist.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19835998A DE19835998A1 (de) | 1998-08-08 | 1998-08-08 | Dichtkanal für eine Tür- oder Heckklappenöffnung bzw. Verfahren zu dessen Herstellung |
DE19835998 | 1998-08-08 |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0979693A2 true EP0979693A2 (de) | 2000-02-16 |
EP0979693A3 EP0979693A3 (de) | 2001-03-28 |
EP0979693B1 EP0979693B1 (de) | 2003-12-10 |
Family
ID=7876948
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP99114293A Expired - Lifetime EP0979693B1 (de) | 1998-08-08 | 1999-07-29 | Verfahren zur Herstellung eines Dichtkanals für eine Tür- oder Heckklappenöffnung |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0979693B1 (de) |
AT (1) | ATE255972T1 (de) |
DE (2) | DE19835998A1 (de) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1621453A2 (de) * | 2004-07-30 | 2006-02-01 | Muhr und Bender KG | Fahrzeugkarosserie mit Einzelteilen aus variabler Blechdicke |
CN111344074A (zh) * | 2017-10-10 | 2020-06-26 | 奥托库姆普联合股份公司 | 具有均匀厚度的钢的局部冷变形的方法 |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10103487A1 (de) * | 2001-01-26 | 2002-08-01 | Volkswagen Ag | Verfahren zur Herstellung eines großflächigen Gebildes an Kraftfahrzeugen und großflächiges Gebilde dazu |
FR2945971B1 (fr) * | 2009-05-27 | 2011-05-13 | Peugeot Citroen Automobiles Sa | Procede d'emboutissage d'un element en tole, notamment de la caisse d'un vehicule automobile |
DE102011007937B4 (de) * | 2011-01-03 | 2015-09-10 | Benteler Automobiltechnik Gmbh | Verfahren zum Herstellen eines Strukturbauteils einer Kraftfahrzeugkarosserie |
DE102016109264A1 (de) * | 2016-05-20 | 2017-11-23 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Seitliche Heckklappenabstützung für ein Kraftfahrzeug |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3343709A1 (de) * | 1982-12-16 | 1984-06-20 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Verfahren zur formung eines rahmenteils |
JPS61165233A (ja) * | 1985-01-16 | 1986-07-25 | Nissan Motor Co Ltd | 車両用開閉体の製造方法 |
DE4231213A1 (de) * | 1992-09-18 | 1994-03-24 | Benteler Werke Ag | Verfahren zum Herstellen eines durch Pressen oder Tiefziehen gefertigten Formkörpers |
DE29508175U1 (de) * | 1995-05-12 | 1995-08-03 | Benteler Ag, 33104 Paderborn | Schalenartiger Tragkörper |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19604357B4 (de) * | 1996-02-07 | 2004-06-24 | Benteler Ag | Verfahren zur Herstellung von Rohren mit Abschnitten unterschiedlicher Wanddicke |
DE19640568C2 (de) * | 1996-10-01 | 2000-05-11 | Benteler Werke Ag | Verfahren zur Herstellung von rohrförmigen Seitenaufprallträgern |
-
1998
- 1998-08-08 DE DE19835998A patent/DE19835998A1/de not_active Withdrawn
-
1999
- 1999-07-29 EP EP99114293A patent/EP0979693B1/de not_active Expired - Lifetime
- 1999-07-29 AT AT99114293T patent/ATE255972T1/de not_active IP Right Cessation
- 1999-07-29 DE DE59907997T patent/DE59907997D1/de not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3343709A1 (de) * | 1982-12-16 | 1984-06-20 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | Verfahren zur formung eines rahmenteils |
JPS61165233A (ja) * | 1985-01-16 | 1986-07-25 | Nissan Motor Co Ltd | 車両用開閉体の製造方法 |
DE4231213A1 (de) * | 1992-09-18 | 1994-03-24 | Benteler Werke Ag | Verfahren zum Herstellen eines durch Pressen oder Tiefziehen gefertigten Formkörpers |
DE29508175U1 (de) * | 1995-05-12 | 1995-08-03 | Benteler Ag, 33104 Paderborn | Schalenartiger Tragkörper |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 010, no. 372 (M-544), 11. Dezember 1986 (1986-12-11) -& JP 61 165233 A (NISSAN MOTOR CO LTD), 25. Juli 1986 (1986-07-25) * |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1621453A2 (de) * | 2004-07-30 | 2006-02-01 | Muhr und Bender KG | Fahrzeugkarosserie mit Einzelteilen aus variabler Blechdicke |
EP1621453A3 (de) * | 2004-07-30 | 2008-07-16 | Muhr und Bender KG | Fahrzeugkarosserie mit Einzelteilen aus variabler Blechdicke |
CN111344074A (zh) * | 2017-10-10 | 2020-06-26 | 奥托库姆普联合股份公司 | 具有均匀厚度的钢的局部冷变形的方法 |
CN111344074B (zh) * | 2017-10-10 | 2023-07-07 | 奥托库姆普联合股份公司 | 具有均匀厚度的钢的局部冷变形的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE59907997D1 (de) | 2004-01-22 |
DE19835998A1 (de) | 2000-02-10 |
EP0979693A3 (de) | 2001-03-28 |
ATE255972T1 (de) | 2003-12-15 |
EP0979693B1 (de) | 2003-12-10 |
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