WO2013075996A1 - One-piece sheet metal component for a vehicle - Google Patents
One-piece sheet metal component for a vehicle Download PDFInfo
- Publication number
- WO2013075996A1 WO2013075996A1 PCT/EP2012/072674 EP2012072674W WO2013075996A1 WO 2013075996 A1 WO2013075996 A1 WO 2013075996A1 EP 2012072674 W EP2012072674 W EP 2012072674W WO 2013075996 A1 WO2013075996 A1 WO 2013075996A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sheet metal
- metal part
- component according
- vehicle
- sheet
- Prior art date
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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D29/00—Superstructures, understructures, or sub-units thereof, characterised by the material thereof
-
- 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
- Y10T428/12389—All metal or with adjacent metals having variation in thickness
Definitions
- the invention relates to a one-piece component made of sheet metal for a vehicle, in particular a motor vehicle, as a self-supporting part, primarily in the floor, side and roof of the vehicle according to the preamble of claim 1.
- the sheet metal components especially if they are designed as large-scale parts, reinforced by rails or longitudinal and transverse beams to create a self-supporting construction.
- a floor construction for a motor vehicle which consists of a front sheet metal part and a rear sheet metal part.
- the sheet metal parts are provided with a plurality of reinforcing elements in the form of attached carriers, which are welded to the sheet metal body. This results in self-supporting components that can form the floor area of a motor vehicle.
- EP 1 525 132 B1 A similar construction is also known from EP 1 525 132 B1, in which the bottom plate is reinforced by means of a longitudinal member and laterally attached web plate.
- US-PS 7,1 1 1, 900 B2 an integrally manufactured sheet metal component is already known, which can also assume a supporting function.
- this component is extremely complicated and has extremely curved areas, which are also partially provided with undercuts and are extremely difficult to produce.
- the invention is therefore an object of the invention to provide a one-piece, self-supporting sheet metal components for a motor vehicle, which is easy to manufacture, a has high strength and forms a relatively lightweight construction.
- this object is achieved in that the component is designed exclusively as a sheet metal part made of high-strength metal and that the sheet metal part is provided in its particularly high stress areas with stiffeners and / or reinforcements.
- the main feature of the construction according to the invention is therefore to provide a high-strength sheet material with a geometric rigidity. This makes it possible to process large-area sheet-metal parts with relatively small wall thickness, which are much lighter than the known components and moreover have at least the same stability.
- the invention makes it possible to integrate several load paths into a single large-area component. This allows a better homogeneous load distribution by a flat introduction of the loads in the event of a crash, instead of locally induced forces in conventional constructions.
- the sheet from which the component is made of high-strength steel such as boron steel, manufactured.
- Geometrically complex components as required in motor vehicle technology, can preferably be manufactured from hot-formed boron steel in order to obtain a very high strength in the component. The advantages are a significant weight and parts savings, which in particular the manufacturing cost can be reduced.
- the boron steel sheets used are commercially available up to a thickness of 0.7 mm and possibly even lower.
- the sheets used for the production of the components may be produced from high-strength aluminum alloys.
- Such sheet metal parts may be hot-worked and press-hardened.
- the sheet from which the component is made should be well cold-formed.
- the sheet may for example also consist of ductile high-strength steels such as FeMn, FeAl or stainless steels.
- a particularly advantageous embodiment of the one-piece component according to the invention is that the sheet metal part is provided as stiffeners or reinforcements in its particularly heavily loaded areas with thickening.
- Such local thickenings made e.g. with a "patch-weld” technology, are possible if a subsequent hot forming process (hot-forming) is used.
- hot-forming hot forming
- the flat motherboard from, for example boron steel in the "soft” state prior to forming small, flat sheets welded (eg by laser or spot welding), which are then heated together with the motherboard to about 950 ° and then deformed and hardened applied thickening, the structural properties are precisely adjusted to the respective structural requirements.
- stiffeners or reinforcements can be provided on the sheet metal part also welded reinforcing layers of high-strength material. But are particularly suitable with sheet metal blanks with flexible thickness distribution ("Tailor Rolled Blanks"), in which the thickness profile and optionally also strength profile is achieved by the variation of the roll gap.
- stiffeners or reinforcements in the sheet metal part geometrically shaped stiffening areas are provided.
- the reinforcements of the sheet metal part can also be achieved by local hardening, for example by means of a thermal process. This process can also be used specifically to adapt to the requirements of different vehicle derivatives become.
- stiffening areas can be formed as U-channels and / or ribs in the longitudinal and / or transverse direction of the sheet metal part in the sheet.
- the U-channels and / or ribs may be provided with strike plates.
- the U-channels can also be reinforced with structural foams and / or plastic parts. These gains can also be used to adapt to the load requirements of different vehicle derivatives.
- the stiffening areas By appropriate arrangement of the stiffening areas, the construction of the sheet metal components is very variable. If necessary, particularly yielding areas can be provided in the component.
- the one-piece sheet metal component according to the invention can be used in motor vehicle construction for various areas of the vehicle.
- the main field of application is the floor panel and thus the integration of the particularly advantageous load paths.
- the stiffeners and / or reinforcements or the thickening of the sheet can be selected be that through this the function of longitudinal and / or cross members can be taken.
- the sheet metal part can be divided in the longitudinal direction and / or in the transverse direction at least in two parts, for example in a front floor panel and a rear floor panel.
- the weight savings compared to conventional solutions are significant.
- the invention is illustrated in the drawing using the example of a rear floor panel. Show it:
- Fig. 1 a conventional construction of a rear floor part
- Fig. 2a, b a sheet metal plate with applied thickening for the preparation of a rear floor part and a finished deformed rear floor part according to the
- Fig. 3a, b a sheet metal blank with applied thickening for producing a further rear bottom part and another, finished deformed rear bottom part according to the invention.
- Fig. 1 shows the conventional construction of a rear floor part for a motor vehicle.
- the bottom part consists of a correspondingly cut sheet metal part 1, which is geometrically deformed to the required shape with all their functional parts and connection areas.
- This sheet metal part 1 is then combined with a support frame 2, which is placed under the finished sheet metal part.
- a sheet metal part 3 is first cut in its outer contour.
- This sheet metal part 3 is preferably made of very thin-walled boron steel, for example, 0.7 or 0.65 mm thickness.
- the flat base plate made of boron steel in the "soft" state before forming small, flat sheets welded as a thickening, expediently by laser or spot welding or pressed.
- the sheet metal part 3 is shown in the final form, which has reached it after further forming.
- the thickenings 4 are heated in the oven together with the sheet metal part 3 at 950 ° and then formed and cured.
- the illustrated in Figure 3a embodiment of the sheet metal part 5 corresponds to the preparation of the sheet metal part 3 of FIG. 2a: On the flat sheet metal part 5 thickenings 6 are applied, which are fixed by laser or spot welding on the sheet metal part 5.
- the sheet again consists of boron steel, but alternatively also of, for example, easily deformable FeMn steel.
- Fig. 3b the sheet metal part 5 is shown after it, provided with the thickening 6, again subjected to a heat treatment, was geometrically deformed and cured.
- This structure is self-supporting and does not require an additional support frame.
- This construction is characterized by the longitudinal ribs 7 regularly introduced into the structure and thus has good energy absorption properties. characteristics in a rear impact.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Architecture (AREA)
- Structural Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201280052308.XA CN103906676A (en) | 2011-11-22 | 2012-11-15 | One-piece sheet metal component for vehicle |
DE112012004865.2T DE112012004865A5 (en) | 2011-11-22 | 2012-11-15 | One-piece sheet metal component for a vehicle |
US14/203,866 US20140193659A1 (en) | 2011-11-22 | 2014-03-11 | Method of manufacturing a sturctural ultra-thin sheet metal part with patch welded reinforcements |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011086813A DE102011086813A1 (en) | 2011-11-22 | 2011-11-22 | One-piece sheet metal component for a vehicle |
DE102011086813.5 | 2011-11-22 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/203,866 Continuation US20140193659A1 (en) | 2011-11-22 | 2014-03-11 | Method of manufacturing a sturctural ultra-thin sheet metal part with patch welded reinforcements |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2013075996A1 true WO2013075996A1 (en) | 2013-05-30 |
Family
ID=47297148
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2012/072674 WO2013075996A1 (en) | 2011-11-22 | 2012-11-15 | One-piece sheet metal component for a vehicle |
Country Status (4)
Country | Link |
---|---|
US (1) | US20140193659A1 (en) |
CN (1) | CN103906676A (en) |
DE (2) | DE102011086813A1 (en) |
WO (1) | WO2013075996A1 (en) |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102014005078B4 (en) * | 2014-04-05 | 2020-08-27 | Audi Ag | Heel plate structure for a vehicle body and body for a vehicle |
KR20170026519A (en) | 2014-07-03 | 2017-03-08 | 오토테크 엔지니어링 에이.아이.이. | Reinforced structural components |
DE102015102908A1 (en) * | 2015-03-02 | 2016-09-08 | Schuler Pressen Gmbh | Process for manufacturing a molded part, molding, tool and press with a tool |
DE102016200520B4 (en) | 2015-03-19 | 2019-10-31 | Ford Global Technologies, Llc | Method for producing a structural component and rolling device |
US10011312B2 (en) * | 2016-06-08 | 2018-07-03 | Van-Rob Inc. | Process for forming reinforced rocker panel assembly |
JP6519565B2 (en) * | 2016-10-11 | 2019-05-29 | トヨタ自動車株式会社 | Floor panel |
DE102017102699B4 (en) | 2017-02-10 | 2021-01-28 | Benteler Automobiltechnik Gmbh | Battery tray with improved crash properties |
US11351590B2 (en) | 2017-08-10 | 2022-06-07 | Honda Motor Co., Ltd. | Features of dissimilar material-reinforced blanks and extrusions for forming |
US10532421B2 (en) | 2017-08-29 | 2020-01-14 | Honda Motor Co., Ltd. | UAM resistance spot weld joint transition for multimaterial automotive structures |
EP3511085B1 (en) * | 2018-01-16 | 2024-08-14 | Outokumpu Oyj | Bend-formed load-bearing structure of a passenger car |
US10870166B2 (en) | 2018-02-01 | 2020-12-22 | Honda Motor Co., Ltd. | UAM transition for fusion welding of dissimilar metal parts |
DE102018127011A1 (en) | 2018-10-30 | 2020-04-30 | Bayerische Motoren Werke Aktiengesellschaft | Vehicle structural component, modular system and method for producing vehicle structural components |
WO2021094405A1 (en) * | 2019-11-12 | 2021-05-20 | Autotech Engineering, S.L. | Vehicle floor and corresponding production method |
US11465390B2 (en) | 2020-03-02 | 2022-10-11 | Honda Motor Co., Ltd. | Post-process interface development for metal-matrix composites |
JP7411522B2 (en) | 2020-09-04 | 2024-01-11 | 本田技研工業株式会社 | car body structure |
DE102021206368A1 (en) | 2021-06-22 | 2022-12-22 | Volkswagen Aktiengesellschaft | Method for manufacturing a front panel of a motor vehicle body and method for manufacturing front panels for motor vehicle bodies of different motor vehicle types |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5102187A (en) | 1989-12-22 | 1992-04-07 | Mazda Motor Corporation | Reinforced floor structure for an automotive vehicle |
DE19713325A1 (en) * | 1996-04-13 | 1997-11-06 | Volkswagen Ag | Plate blank for cars assembled from custom cut tailored blanks |
EP1247727A2 (en) * | 2001-04-06 | 2002-10-09 | Honda Giken Kogyo Kabushiki Kaisha | Floor panel for an automobile |
US20050189791A1 (en) * | 2004-02-27 | 2005-09-01 | Chernoff Adrian B. | Automotive lower body component and method of manufacture |
DE102004053917B3 (en) * | 2004-11-05 | 2006-04-13 | Benteler Automobiltechnik Gmbh | Sidewall of a motor vehicle |
US7111900B2 (en) | 2004-01-23 | 2006-09-26 | General Motors Corporation | Vehicle floor having a unitary inner panel and outer panel |
EP1525132B1 (en) | 2002-07-19 | 2007-08-29 | Volkswagen Aktiengesellschaft | Floor-supporting arrangement in motor vehicles |
WO2010133779A1 (en) * | 2009-05-20 | 2010-11-25 | Renault Sas | Rear floor for an automobile and automobile including such a floor |
Family Cites Families (15)
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US1770993A (en) * | 1927-10-06 | 1930-07-22 | Paterson Alexander | Art of rolling sheet metal |
US3490124A (en) * | 1967-02-07 | 1970-01-20 | Texas Instruments Inc | Composite metal layers for fabricating deep drawn articles |
GB1427155A (en) * | 1972-08-21 | 1976-03-10 | Osborn Steels Ltd | Production of turbine and compressor blades |
JPS55147495A (en) * | 1979-05-09 | 1980-11-17 | Hitachi Ltd | Butt welding method |
FR2690166A1 (en) * | 1992-04-16 | 1993-10-22 | Creusot Loire | A method of manufacturing a plated sheet having an abrasion-resistant layer of tool steel and plated sheet obtained. |
DE19653543A1 (en) * | 1996-12-20 | 1998-06-25 | Audi Ag | Process for producing a sheet metal part by deep drawing |
FR2799997B1 (en) * | 1999-10-26 | 2001-12-07 | Lorraine Laminage | COMPOSITE SHEET FOR STAMPING, INCLUDING A MAIN SHEET AND AT LEAST ONE SHEET OF OVER-THICKENED ADHESIVE SHEET |
DE10128200B4 (en) * | 2001-06-11 | 2004-07-22 | Benteler Automobiltechnik Gmbh | Process for producing a hardened sheet metal profile |
DE10149183C2 (en) * | 2001-10-04 | 2003-08-28 | Thyssen Krupp Automotive Ag | Process for the production of sheets or sheets connected to one another on the face and sheets connected to one another on the face |
US7523850B2 (en) * | 2003-04-07 | 2009-04-28 | Luxfer Group Limited | Method of forming and blank therefor |
US6994147B2 (en) * | 2003-07-15 | 2006-02-07 | Spx Corporation | Semi-solid metal casting process of hypereutectic aluminum alloys |
DE102005025026B3 (en) * | 2005-05-30 | 2006-10-19 | Thyssenkrupp Steel Ag | Production of metal components with adjacent zones of different characteristics comprises press-molding sheet metal using ram and female mold, surfaces of ram which contact sheet being heated and time of contact being controlled |
US20080173057A1 (en) * | 2007-01-23 | 2008-07-24 | Gm Global Technology Operations, Inc. | Stamping of work hardenable aluminum alloy sheets |
JP4563469B2 (en) * | 2008-05-16 | 2010-10-13 | トヨタ自動車株式会社 | Press processing method and press processed product |
JP5426672B2 (en) * | 2008-07-10 | 2014-02-26 | シロー インダストリーズ インコーポレイテッド | Metal forming method and coiled welding assembly |
-
2011
- 2011-11-22 DE DE102011086813A patent/DE102011086813A1/en not_active Withdrawn
-
2012
- 2012-11-15 WO PCT/EP2012/072674 patent/WO2013075996A1/en active Application Filing
- 2012-11-15 CN CN201280052308.XA patent/CN103906676A/en active Pending
- 2012-11-15 DE DE112012004865.2T patent/DE112012004865A5/en not_active Withdrawn
-
2014
- 2014-03-11 US US14/203,866 patent/US20140193659A1/en not_active Abandoned
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5102187A (en) | 1989-12-22 | 1992-04-07 | Mazda Motor Corporation | Reinforced floor structure for an automotive vehicle |
DE19713325A1 (en) * | 1996-04-13 | 1997-11-06 | Volkswagen Ag | Plate blank for cars assembled from custom cut tailored blanks |
EP1247727A2 (en) * | 2001-04-06 | 2002-10-09 | Honda Giken Kogyo Kabushiki Kaisha | Floor panel for an automobile |
EP1525132B1 (en) | 2002-07-19 | 2007-08-29 | Volkswagen Aktiengesellschaft | Floor-supporting arrangement in motor vehicles |
US7111900B2 (en) | 2004-01-23 | 2006-09-26 | General Motors Corporation | Vehicle floor having a unitary inner panel and outer panel |
US20050189791A1 (en) * | 2004-02-27 | 2005-09-01 | Chernoff Adrian B. | Automotive lower body component and method of manufacture |
DE102004053917B3 (en) * | 2004-11-05 | 2006-04-13 | Benteler Automobiltechnik Gmbh | Sidewall of a motor vehicle |
WO2010133779A1 (en) * | 2009-05-20 | 2010-11-25 | Renault Sas | Rear floor for an automobile and automobile including such a floor |
Also Published As
Publication number | Publication date |
---|---|
US20140193659A1 (en) | 2014-07-10 |
DE102011086813A1 (en) | 2013-05-23 |
DE112012004865A5 (en) | 2014-08-28 |
CN103906676A (en) | 2014-07-02 |
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