EP0857526A1 - Pièce de formage, au moins une partie de laquelle ayant une structure multicouche - Google Patents

Pièce de formage, au moins une partie de laquelle ayant une structure multicouche Download PDF

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Publication number
EP0857526A1
EP0857526A1 EP97121826A EP97121826A EP0857526A1 EP 0857526 A1 EP0857526 A1 EP 0857526A1 EP 97121826 A EP97121826 A EP 97121826A EP 97121826 A EP97121826 A EP 97121826A EP 0857526 A1 EP0857526 A1 EP 0857526A1
Authority
EP
European Patent Office
Prior art keywords
formed part
part according
projections
strength
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
Application number
EP97121826A
Other languages
German (de)
English (en)
Other versions
EP0857526B1 (fr
Inventor
Jürgen Dr. Hillmann
Klaus-Dieter Morsch
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.)
Volkswagen AG
Original Assignee
Volkswagen 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 Volkswagen AG filed Critical Volkswagen AG
Publication of EP0857526A1 publication Critical patent/EP0857526A1/fr
Application granted granted Critical
Publication of EP0857526B1 publication Critical patent/EP0857526B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • 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
    • 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
    • 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
    • B21D39/00—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders
    • B21D39/03—Application of procedures in order to connect objects or parts, e.g. coating with sheet metal otherwise than by plating; Tube expanders of sheet metal otherwise than by folding
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12229—Intermediate article [e.g., blank, etc.]
    • Y10T428/12264—Intermediate article [e.g., blank, etc.] having outward flange, gripping means or interlocking feature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12347—Plural layers discontinuously bonded [e.g., spot-weld, mechanical fastener, etc.]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/12—All metal or with adjacent metals
    • Y10T428/12486—Laterally noncoextensive components [e.g., embedded, etc.]

Definitions

  • the invention relates to a shaped part with a multiple sheet metal structure, in particular double sheet structure, according to the preamble of claim 1, in particular for a vehicle or a vehicle body that undergoes a forming process, for example is subjected to a deep-drawing, bending or stamping process.
  • Sheet metal structural part in its thickness according to the area with the highest mechanical loads known, local areas of such a sheet metal structural part, e.g. For Hinge and spring strut mounts, for stops for doors and flaps, attachment areas for bars or other load-bearing elements, in their thickness corresponding to that in use of the formed part occurring, largely predictable load to adjust to avoid unnecessary material expenditure and to achieve a weight reduction.
  • This also makes it possible to determine the initial thickness of such a sheet metal structural part Use a thinner base plate. Larger sheet thicknesses go hand in hand a greater sheet strength, in particular torsional rigidity, bending strength and also greater compressive and tensile strength.
  • DE 43 07 563 A1 includes a deep-drawn or die-cut sheet metal structural part a partial double sheet structural part and a manufacturing method for this described.
  • This sheet metal structural part is multilayered from a base sheet and in certain areas formed on this arranged reinforcement plates.
  • the making of this Sheet metal structural part takes place in such a way that the reinforcing sheets before the common Forming is at least partially attached to the base plate and after forming finally be inextricably linked to it.
  • the sheet metal structural part described also refers to a so-called multiple sheet structure, in which a base sheet a first reinforcing plate and on it in a likewise predetermined area additional reinforcement plate are arranged. The arrangement is also in areas several additional reinforcement plates on the first reinforcement plate possible.
  • a such a multiple sheet metal structure can also be formed as a unit.
  • a Multiple sheet metal structure it is now possible to largely the thickness of the sheet metal structural part adjust the load profile of the formed part and the spatial expansion of the To keep reinforcement plates to a minimum and to reinforce them just there, where this is absolutely necessary.
  • Materials or different material qualities combine, for example a higher strength than the base plate Reinforcing plate having at more relevant areas or in the area of To use force introduction points, so with regard to the mechanical Requirements, but also in terms of optics and costs to an optimal Result.
  • the production of a Multiple sheet metal structure is complex and the forming process can be problematic, as ever at least three sheets lying one above the other and only partially attached to one another must be reshaped together.
  • This task is performed in a generic shaped part with the features of the characteristic Part of claim 1 solved.
  • On a base plate are in the more heavily loaded Areas of reinforcing plates are arranged, in accordance with the predeterminable Load on the formed and used formed part and form-fitting adjacent to each other, so that a structure in the manner of a patchwork (patchwork technique) is present.
  • the thickness, the bending strength and the membrane strength are and the number of reinforcement plates depending on the load structure differently. The more differentiated this is in a certain area, the more the form-fittingly arranged are smaller and different in thickness To design reinforcement plates.
  • the mutually facing edges of the same are in hers Profiled top view and essentially provided with regularly arranged projections, with which the reinforcement plates are mutually engaged.
  • the shaped part according to the invention is adaptable to the given load structure.
  • the thickness of the base plate can also depend on this load structure. be minimized.
  • the sheet metal structural part to be formed can thus be reduced Material use are produced, which ultimately goes hand in hand with a weight reduction.
  • the reinforcing plates can be fastened at their edges to the base plate, for example by one generated with a high-energy beam, in particular a laser beam Weld seam as a continuous edge seam, with which the one another in an advantageous manner reinforcing sheets engaged by a single seam with the base sheet can be connected.
  • a high-energy beam in particular a laser beam Weld seam as a continuous edge seam, with which the one another in an advantageous manner reinforcing sheets engaged by a single seam with the base sheet can be connected.
  • the projections can be provided with rounded or straight flanks. They should preferably interlock positively in any design, so no step-like Changes in thickness or strength occur.
  • the reinforcement plates can advantageously be made of different materials with different Strength exist in order to reduce differences in thickness or to reduce them at all remove.
  • 1, 2 and 2a is a formed part with one from a base plate 1 and two this arranged reinforcement plates 2 and 3 made of a material with the same strength properties (Sheet steel) shown.
  • the respective thickness of the two reinforcement plates 2 and 3 is predetermined depending on the load structure of the formed part and different, as can be seen from Fig. 2.
  • the two reinforcement plates 2 and 3 are profiled in the same way as a saw blade on the facing edges, the formed tooth-like projections 4 and 5 have straight flanks and interlocking are mutually engaged.
  • the reinforcement plates 2 and 3 on the base plate Weld points 6 attached From Figs.
  • an area B is formed in which the Strength, in particular the material thickness determining the bending strength along the straight line C decreases continuously from edge D to edge E (FIG. 2a).
  • the area B in which the base sheet 1 intersects plane A, is the effective one Material thickness difference of the reinforcement plates halved.
  • 3 and 4 is a formed part with a base plate 7 and three on this arranged reinforcement plates 8, 9 and 10 made of a material with the same strength properties and, depending on the load structure of the formed part, with different Thickness shown.
  • the mutually facing edges of the reinforcement plates 8 and 9, 9 and 10 are corrugated, so that the projections 11 and 12 and 13 and 14 have rounded flanks and are mutually engaged with them. It can the formation of the projections 13 and 14 compared to the formation of the projections 11 and 12 be different.
  • the reinforcement plates 8, 9 and 10 are each by an uninterrupted Laser weld seam along the respective contact line and the outer one Edges connected to the base plate 7.
  • Fig. 4 is the curve line F in each case Change in the thickness and thus the strength of the sheet metal structure or the formed part indicated between the respective reinforcement plates 8 and 9 and 9 and 10. It is in In contrast to the embodiment of FIGS. 1 and 2 not linear.
  • FIG. 5 shows a shaped part in which three reinforcement plates are located on a base plate 11 12, 13 and 14 of different strength properties are attached, the load structure of the formed part of the embodiment shown in FIG. 4 corresponds.
  • the middle reinforcing plate 13 has a higher material strength than that two other reinforcement plates 12 and 14, and the reinforcement plate 12 one higher material strength than the reinforcement plate 14.
  • the reinforcement plates 12 and 13 are consequently thinner and stronger than the reinforcement plates 8 and 9 according to FIG. 4 have the same thickness as the adjacent reinforcing plate 14.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Body Structure For Vehicles (AREA)
  • Laminated Bodies (AREA)
  • Laser Beam Processing (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
EP97121826A 1997-02-08 1997-12-11 Pièce de formage, au moins une partie de laquelle ayant une structure multicouche Expired - Lifetime EP0857526B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19704787 1997-02-08
DE19704787 1997-02-08

Publications (2)

Publication Number Publication Date
EP0857526A1 true EP0857526A1 (fr) 1998-08-12
EP0857526B1 EP0857526B1 (fr) 1999-10-27

Family

ID=7819684

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97121826A Expired - Lifetime EP0857526B1 (fr) 1997-02-08 1997-12-11 Pièce de formage, au moins une partie de laquelle ayant une structure multicouche

Country Status (6)

Country Link
US (1) US6048628A (fr)
EP (1) EP0857526B1 (fr)
JP (1) JPH10296360A (fr)
KR (1) KR19980070687A (fr)
CN (1) CN1191781A (fr)
DE (1) DE59700614D1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000029138A1 (fr) * 1998-11-13 2000-05-25 Welser Profile Ag Procede permettant de produire un profile presentant differentes epaisseurs
DE102004023058A1 (de) * 2004-05-11 2005-12-08 Bayerische Motoren Werke Ag Verfahren zur Herstellung eines lokal verstärkten Bauteils
DE102005034308A1 (de) * 2005-07-22 2007-01-25 Volkswagen Ag Verfahren zum Herstellen von Patchverbindungen
EP1658148B2 (fr) † 2003-08-25 2015-10-28 Metalsa Automotive GmbH Procede de formage de toles
EP2564148B1 (fr) 2010-04-28 2015-11-25 Rheinmetall Landsysteme GmbH Dispositif de fixation

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US6977355B2 (en) 1997-01-14 2005-12-20 Walter Duley Tailored blank
GB9700652D0 (en) * 1997-01-14 1997-03-05 Powerlasers Ltd Composite tailored blank
DE29713779U1 (de) * 1997-08-02 1997-10-09 Sommer Allibert Lignotock Gmbh Mehrschichtiges Formteil
DE19930931A1 (de) * 1999-07-06 2001-01-11 Sgl Technik Gmbh Schichtverbund mit geschweißter Metalleinlage
US6539631B1 (en) * 2000-11-08 2003-04-01 Vantage Dump Trailers, Inc. Tapered trailer with horizontal seams and support rails
DE10104468A1 (de) * 2001-02-02 2002-08-29 Eberspaecher J Gmbh & Co Platine für ein Abgas-Gehäuseteil eines Kraftfahrzeugs sowie Verfahren zur Herstellung des Abgas-Gehäuseteils
DE10350670B3 (de) * 2003-10-30 2005-02-03 Thyssenkrupp Stahl Ag Blechplatine für die Herstellung von Karosseriebauteilen von Kraftfahrzeugen, sowie Verfahren zum Herstellen der Blechplatine
DE102004019448A1 (de) * 2004-04-19 2005-11-10 Muhr Und Bender Kg Hybrid hergestelltes Blechelement und Verfahren zu seiner Herstellung
JP4345586B2 (ja) * 2004-06-17 2009-10-14 日産自動車株式会社 レーザー溶接方法
US7467614B2 (en) 2004-12-29 2008-12-23 Honeywell International Inc. Pedal position and/or pedal change rate for use in control of an engine
DE102005012778B4 (de) * 2005-03-19 2015-12-24 Bayerische Motoren Werke Aktiengesellschaft Bauteilverbindung
US7389773B2 (en) * 2005-08-18 2008-06-24 Honeywell International Inc. Emissions sensors for fuel control in engines
BRPI0708543A2 (pt) * 2006-03-07 2011-05-31 Daikin Ind Ltd método de produzir compressor, e compressor
DE102006046080A1 (de) * 2006-09-19 2008-04-03 Airbus Deutschland Gmbh Metallisches Flugzeugbauteil
US7922067B2 (en) * 2006-10-17 2011-04-12 GM Global Technology Operations LLC Tailor welded blank assembly and method
US8060290B2 (en) 2008-07-17 2011-11-15 Honeywell International Inc. Configurable automotive controller
CN102317002A (zh) * 2009-05-08 2012-01-11 丰田自动车株式会社 拼焊板材及使用该拼焊板材的结构件的制造方法
US8620461B2 (en) * 2009-09-24 2013-12-31 Honeywell International, Inc. Method and system for updating tuning parameters of a controller
MX2012004704A (es) 2009-10-21 2012-06-08 Shiloh Ind Inc Tina para piso de vehiculo que tiene un parche de amortiguacion de sonido.
US9677493B2 (en) 2011-09-19 2017-06-13 Honeywell Spol, S.R.O. Coordinated engine and emissions control system
US20130111905A1 (en) 2011-11-04 2013-05-09 Honeywell Spol. S.R.O. Integrated optimization and control of an engine and aftertreatment system
US9650934B2 (en) 2011-11-04 2017-05-16 Honeywell spol.s.r.o. Engine and aftertreatment optimization system
CN103128193A (zh) * 2011-11-29 2013-06-05 三河世原汽车科技有限公司 由两张金属板材构成的汽车配件的制造方法及模具
JP5807913B2 (ja) * 2012-07-26 2015-11-10 旭精機工業株式会社 ブランク材供給装置、それを備えたフォーミングマシン及びブランク材供給方法
CN104668393B (zh) * 2013-11-29 2017-01-18 英业达科技有限公司 承载板的结构强化方法
EP3051367B1 (fr) 2015-01-28 2020-11-25 Honeywell spol s.r.o. Approche et système de manipulation de contraintes pour des perturbations mesurées avec une prévisualisation incertaine
EP3056706A1 (fr) 2015-02-16 2016-08-17 Honeywell International Inc. Approche de modélisation de système de post-traitement et d'identification de modèle
EP3091212A1 (fr) 2015-05-06 2016-11-09 Honeywell International Inc. Approche d'identification pour modèles de valeurs moyennes de moteurs à combustion interne
EP3125052B1 (fr) 2015-07-31 2020-09-02 Garrett Transportation I Inc. Résolveur de programme quadratique pour mpc utilisant une commande variable
US10272779B2 (en) 2015-08-05 2019-04-30 Garrett Transportation I Inc. System and approach for dynamic vehicle speed optimization
US10415492B2 (en) 2016-01-29 2019-09-17 Garrett Transportation I Inc. Engine system with inferential sensor
US10036338B2 (en) 2016-04-26 2018-07-31 Honeywell International Inc. Condition-based powertrain control system
US10124750B2 (en) 2016-04-26 2018-11-13 Honeywell International Inc. Vehicle security module system
WO2018101918A1 (fr) 2016-11-29 2018-06-07 Honeywell International Inc. Capteur de flux inférentiel
US11057213B2 (en) 2017-10-13 2021-07-06 Garrett Transportation I, Inc. Authentication system for electronic control unit on a bus
JP2020006401A (ja) * 2018-07-06 2020-01-16 株式会社神戸製鋼所 接合体
CN111119263B (zh) * 2020-02-25 2021-07-27 徐州徐工矿业机械有限公司 一种矿用挖掘机底盘用组合连接结构及矿用挖掘机

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Publication number Priority date Publication date Assignee Title
DE4307563A1 (en) * 1992-03-12 1993-09-23 Bayerische Motoren Werke Ag Partly double-skinned sheet-metal structure - has reinforcing sections partly secure to main one before deep-drawing or stamping and permanently afterwards

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000029138A1 (fr) * 1998-11-13 2000-05-25 Welser Profile Ag Procede permettant de produire un profile presentant differentes epaisseurs
EP1658148B2 (fr) † 2003-08-25 2015-10-28 Metalsa Automotive GmbH Procede de formage de toles
DE102004023058A1 (de) * 2004-05-11 2005-12-08 Bayerische Motoren Werke Ag Verfahren zur Herstellung eines lokal verstärkten Bauteils
DE102004023058B4 (de) * 2004-05-11 2006-11-02 Bayerische Motoren Werke Ag Verfahren zur Herstellung eines Karosserieteils für ein Fahrzeug und ein nach diesem Verfahren hergestelltes Karosserieteil
DE102005034308A1 (de) * 2005-07-22 2007-01-25 Volkswagen Ag Verfahren zum Herstellen von Patchverbindungen
EP2564148B1 (fr) 2010-04-28 2015-11-25 Rheinmetall Landsysteme GmbH Dispositif de fixation
EP2564148B2 (fr) † 2010-04-28 2018-08-22 Rheinmetall Landsysteme GmbH Dispositif de fixation

Also Published As

Publication number Publication date
JPH10296360A (ja) 1998-11-10
CN1191781A (zh) 1998-09-02
US6048628A (en) 2000-04-11
DE59700614D1 (de) 1999-12-02
EP0857526B1 (fr) 1999-10-27
KR19980070687A (ko) 1998-10-26

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