EP3030362A1 - Verfahren zum verbinden zweier bleche für ein fahrzeug - Google Patents
Verfahren zum verbinden zweier bleche für ein fahrzeugInfo
- Publication number
- EP3030362A1 EP3030362A1 EP14726381.8A EP14726381A EP3030362A1 EP 3030362 A1 EP3030362 A1 EP 3030362A1 EP 14726381 A EP14726381 A EP 14726381A EP 3030362 A1 EP3030362 A1 EP 3030362A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrically conductive
- adhesive
- sheet
- sealant
- folded
- 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.)
- Withdrawn
Links
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 21
- 239000002184 metal Substances 0.000 title claims abstract description 21
- 238000000034 method Methods 0.000 title claims abstract description 21
- 239000000853 adhesive Substances 0.000 claims abstract description 53
- 230000001070 adhesive effect Effects 0.000 claims abstract description 53
- 239000000565 sealant Substances 0.000 claims abstract description 30
- 238000005304 joining Methods 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 7
- 229920001940 conductive polymer Polymers 0.000 claims description 7
- 239000000203 mixture Substances 0.000 claims description 7
- 239000000049 pigment Substances 0.000 claims description 7
- 238000002788 crimping Methods 0.000 claims description 6
- 229920000642 polymer Polymers 0.000 claims description 6
- 239000004831 Hot glue Substances 0.000 claims description 5
- -1 polypropylene Polymers 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 4
- 229920002647 polyamide Polymers 0.000 claims description 4
- 229920001155 polypropylene Polymers 0.000 claims description 4
- 238000004070 electrodeposition Methods 0.000 abstract description 2
- 239000010410 layer Substances 0.000 description 16
- 239000004033 plastic Substances 0.000 description 12
- 229920003023 plastic Polymers 0.000 description 12
- 239000002131 composite material Substances 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000012792 core layer Substances 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 229910021392 nanocarbon Inorganic materials 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000010422 painting Methods 0.000 description 3
- 239000003566 sealing material Substances 0.000 description 3
- 239000000470 constituent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- 239000013528 metallic particle Substances 0.000 description 2
- 229920000915 polyvinyl chloride Polymers 0.000 description 2
- 239000004800 polyvinyl chloride Substances 0.000 description 2
- 239000012215 seam sealant Substances 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000032798 delamination Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004826 seaming Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J5/00—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers
- C09J5/06—Adhesive processes in general; Adhesive processes not provided for elsewhere, e.g. relating to primers involving heating of the applied adhesive
-
- 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
- B21D39/02—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 by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/028—Reinforcing the connection otherwise than by deforming, e.g. welding
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J9/00—Adhesives characterised by their physical nature or the effects produced, e.g. glue sticks
- C09J9/02—Electrically-conducting adhesives
-
- 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
- B21D39/02—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 by folding, e.g. connecting edges of a sheet to form a cylinder
- B21D39/021—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 by folding, e.g. connecting edges of a sheet to form a cylinder for panels, e.g. vehicle doors
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/04—Carbon
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2400/00—Presence of inorganic and organic materials
- C09J2400/10—Presence of inorganic materials
- C09J2400/16—Metal
- C09J2400/163—Metal in the substrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2423/00—Presence of polyolefin
- C09J2423/10—Presence of homo or copolymers of propene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J2477/00—Presence of polyamide
Definitions
- the invention relates to a method for joining two sheets for a vehicle, in which a first sheet is folded at one end portion and an end portion of a second sheet is folded into the fold, and in the before the crimping or during the Einfalzens in the joining region of the two sheets Adhesive introduced and / or after Einfalzen on the seam on the Falzaußenseite a sealant is applied.
- the invention relates to a body part, e.g.
- a door or flap for a vehicle comprising an outer panel and an inner panel, wherein the outer panel is folded at one end portion and at least one end portion of the inner panel is folded into the fold, and wherein introduced into the fold adhesive and / or on the seam at the Falzaußenseite a sealant is applied.
- Lightweight construction is becoming increasingly important in vehicle construction, in particular in order to reduce the fuel consumption of vehicles or the emission of C0 2 .
- a known measure for weight reduction of vehicles is in
- the steel sheets for example, each have a thickness in the range of 0.2 mm to 0.3 mm, while the plastic core layer is formed with a thickness from about 0.3 mm.
- Components made from this sandwich material approach the low weight of aluminum solutions but cost significantly less.
- this sandwich material is characterized by a very high bending and Beulsteifessor.
- this sandwich material has the good forming properties of conventional steel sheets and shows no tendency for delamination even with extreme deformations.
- such steel-plastic composite sheets are suitable for a cathodic dip painting, which is common in the automotive industry for painting vehicle bodies.
- cover plate outer panel
- inner structure inner panel
- glued see, for example, in DE 10 2009 009 808 A1, FIG.
- the present invention seeks to provide a method of the type mentioned, with respect to an electrocoating of
- cost-effective manner ensures an electrical connection of the inner panel to the outside of the outer panel.
- the inventive method for joining two sheets in which a first sheet is folded at one end and an end portion of a second sheet is folded into the fold, and introduced in the before joining or during the Einfalzens in the joining region of the two sheets of adhesive and / or after this
- Crimping on the seam at the outside of the seam a sealant is applied is characterized in that at least one of the sheets is a sandwich sheet, which has a metallic base layer and a metallic
- Cover layer which are connected by an electrically insulating or electrically poorly conductive intermediate layer, and that an electrically conductive adhesive and / or as a sealant, an electrically conductive sealant is used as the adhesive.
- a body part produced according to the invention in particular a door or flap for a vehicle, having an outer panel and an inner panel, wherein the outer panel is folded at one end portion and at least one end portion of the inner panel is folded into the fold, and wherein adhesive is introduced into the fold and / or on the seam seam on the outside of the seam, a sealant (sealant) is applied, is characterized in that the outer panel is a sandwich sheet, which has a metallic base layer and a metallic cover layer, which are connected by an electrically insulating or electrically poorly conductive intermediate layer, and that the adhesive is an electrically conductive adhesive and / or the sealant is an electrically conductive sealant.
- an electrically conductive adhesive for example, adhesive is used which contains metallic pigments, carbon particles, preferably nanocarbon particles, electrically conductive polymer or mixtures of these constituents.
- the electrically conductive adhesive is based on polypropylene or polyamide. These polymers are characterized by a relatively high melting point.
- the electrically conductive adhesive is a hot melt adhesive, in particular a modified hot melt adhesive (hot melt adhesive).
- the electrically conductive adhesive can be very well applied in this case by means of robot technology.
- the electrically conductive adhesive is introduced in the manner in the joining region of the two sheets, that after the crimping of the respective cavity, which by an edge of the
- an electrically conductive sealing material is used to seal the outer folded seam.
- the sealant can be designed analogously to the electrically conductive adhesive.
- the sealant can thus also contain metallic pigments, carbon particles, preferably nanocarbon particles, electrically conductive polymer or mixtures of these electrically conductive constituents.
- Figure 1 in section, the junction of two sandwich panels, which are interconnected by combined folding and gluing.
- a junction of two sandwich panels 1, 2 is shown, which are components of a body part, not shown.
- the sheets 1, 2 are each designed as steel-plastic composite sheets, preferably as steel-polymer composite sheets.
- the base layer 1.1, 2.1 and the cover layer 1.2, 2.2 consist of preferably thin sheet steel, for example, has a thickness in the range of 0.05 to 1 mm, preferably from 0.2 to 0.3 mm.
- Base layer 1.1, 2.1 is materially connected to the cover layer 1.2, 2.2 by an electrically completely insulating or electrically poorly conductive intermediate layer (core layer) 1.3, 2.3 made of plastic.
- the thickness of the plastic layer 1.3, 2.3 is for example in the range of 0.2 to 3.0 mm, preferably in the range of 0.3 to 1.0 mm.
- the use of a fiber-reinforced plastic layer is also conceivable and aluminum or magnesium sheets as base or cover layers.
- the sandwich panel 1 is for example the outer panel of the body part, not shown. The outer panel 1 is folded at one end. An end portion of the second sandwich sheet 2 is folded into this fold, this second
- Sandwich panel 2 is then also folded, so that the end of the first sandwich sheet 1 is folded into the fold defined by the second sandwich sheet
- the body part thus has, for example, a horizontal fold or a simple intuitionfalz on.
- the substantially planar shape of the end portion of the second sandwich sheet 2 before folding is indicated in Fig. 1 by the dashed lines.
- electrically conductive adhesive 4 is introduced into the joining region of the two sandwich panels 1, 2.
- Adhesive 4 is based on, for example, polypropylene, polyamide, polyvinyl chloride or another similar or higher melting point polymer. It contains metallic particles or pigments, carbon particles (e.g., nanocarbon particles), electrically conductive polymer, or a mixture of these conductive components.
- the electrically conductive adhesive 4 may be formed as a hot melt adhesive.
- the electrically conductive adhesive 4 has a viscous consistency when freshly applied. It is applied as a glue bead by means of a robot on the sheet metal end portion to be folded.
- the application of the adhesive 4 takes place in one or two steps after the sheet metal end section to be folded has first been angled, for example, by about 90 ° and / or more than 100 °, before it has been inserted after insertion of the end section of the second sheet 2 further bent and pressed to form the fold. It is thus achieved that the deformed end portion of the sheet 1 tightly surrounds the end portion of the second sheet 2. In a corresponding manner, the procedure for folding the second sheet 2.
- the adhesive 4 is introduced into the joining region of the sheets 1, 2 such that each of the resulting cavities 5.1, 5.2, which are each bounded by an edge 2.4 or 1.4 of the folded sheet 2, respectively, after folding 1 and the folded base of the folded sheet 1 and 2 are limited, filled with electrically conductive adhesive 4.
- the adhesive 4 is in the tunnel-shaped cavity 5.1, 5.2, which is bounded by the edge 2.4, 1.4 of the folded sheet 2 or 1 and the cross-sectionally U-shaped portion of the folded sheet 1 and 2 respectively.
- the adhesive 4 but also in wedge-shaped columns 5.3, 5.4 of the fold, which adjoin the tunnel-shaped cavity 5.1 and 5.2 and taper towards Falzaußenseite.
- the outer panel 1 or the inner panel 2 as a solid sheet, ie without a core layer of non-conductive or poorly conductive plastic, be executed.
- the folded connection shown in FIG. 2 differs from the embodiment shown in FIG. 1 in that the folded-in end section of the inner panel 2 itself is not bent over, and that the seam on the outer side of the rebate
- Sealant (sealant) 6 is applied.
- the seam or the seam sealant 6 is located on the later inner side of the body part.
- Outer sheet 1 and inner panel 2 of the body part are also formed in the embodiment of FIG. 2 as a sandwich plate (steel-polymer composite sheet), wherein in the joining region of the two sheets 1, 2 for additional fixation of the inner panel 2 on the outer panel (or vice versa ) again adhesive 4
- the adhesive 4 is electrically conductive as described above with respect to FIG.
- the seam sealing material 6 can also be made electrically conductive.
- the sealant 6 can be, for example, metallic particles or pigments, carbon particles (for example nanocarbon particles), electrically conductive polymer or
- the sealant 6 based for example on polyvinyl chloride or another polymer which is suitable for a cathodic dip coating.
- the outer panel 1 or the inner panel 2 as a solid sheet, ie without a
- Core layer of non-conductive or poorly conductive plastic be executed.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Inorganic Chemistry (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Body Structure For Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102013108517.2A DE102013108517A1 (de) | 2013-08-07 | 2013-08-07 | Verfahren zum Verbinden zweier Bleche für ein Fahrzeug |
| PCT/EP2014/060932 WO2015018546A1 (de) | 2013-08-07 | 2014-05-27 | Verfahren zum verbinden zweier bleche für ein fahrzeug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3030362A1 true EP3030362A1 (de) | 2016-06-15 |
Family
ID=50819745
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP14726381.8A Withdrawn EP3030362A1 (de) | 2013-08-07 | 2014-05-27 | Verfahren zum verbinden zweier bleche für ein fahrzeug |
Country Status (3)
| Country | Link |
|---|---|
| EP (1) | EP3030362A1 (de) |
| DE (1) | DE102013108517A1 (de) |
| WO (1) | WO2015018546A1 (de) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008077918A1 (de) * | 2006-12-21 | 2008-07-03 | Sika Technology Ag | Bördelfalzverklebung |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009009808A1 (de) | 2008-02-22 | 2009-08-27 | Daimler Ag | Verfahren zum Verbinden zweier Bleche für ein Kraftfahrzeug |
| DE102008023017A1 (de) * | 2008-05-09 | 2009-11-12 | Thyssenkrupp Steel Ag | Verfahren zum Formen eines Bördelfalzes in ein mehrlagiges Verbundmaterial sowie mehrlagiges, mindestens einen Bördelfalz aufweisendes Verbundmaterial |
| DE102008060547B4 (de) * | 2008-12-04 | 2011-03-03 | Edag Gmbh & Co. Kgaa | Verfahren und Vorrichtung zum Reinigen einer Bearbeitungsrolle eines Bearbeitungswerkzeugs |
| EP2336262A1 (de) * | 2009-12-18 | 2011-06-22 | Sika Technology AG | Bördelfalzverklebung |
-
2013
- 2013-08-07 DE DE102013108517.2A patent/DE102013108517A1/de not_active Withdrawn
-
2014
- 2014-05-27 WO PCT/EP2014/060932 patent/WO2015018546A1/de not_active Ceased
- 2014-05-27 EP EP14726381.8A patent/EP3030362A1/de not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008077918A1 (de) * | 2006-12-21 | 2008-07-03 | Sika Technology Ag | Bördelfalzverklebung |
Non-Patent Citations (1)
| Title |
|---|
| See also references of WO2015018546A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2015018546A1 (de) | 2015-02-12 |
| DE102013108517A1 (de) | 2015-02-12 |
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