EP1657005A1 - Méthode de fabrication d'un profilé en tôle - Google Patents

Méthode de fabrication d'un profilé en tôle Download PDF

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Publication number
EP1657005A1
EP1657005A1 EP05020285A EP05020285A EP1657005A1 EP 1657005 A1 EP1657005 A1 EP 1657005A1 EP 05020285 A EP05020285 A EP 05020285A EP 05020285 A EP05020285 A EP 05020285A EP 1657005 A1 EP1657005 A1 EP 1657005A1
Authority
EP
European Patent Office
Prior art keywords
sheet metal
reinforcing beads
roll forming
profile
edge
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
EP05020285A
Other languages
German (de)
English (en)
Other versions
EP1657005B1 (fr
Inventor
Rainer Kronsteiner
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.)
Welser Profile AG AT
Original Assignee
Welser Profile AG AT
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 Welser Profile AG AT filed Critical Welser Profile AG AT
Priority to PL05020285T priority Critical patent/PL1657005T3/pl
Publication of EP1657005A1 publication Critical patent/EP1657005A1/fr
Application granted granted Critical
Publication of EP1657005B1 publication Critical patent/EP1657005B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
    • B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
    • 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
    • B21D13/00—Corrugating sheet metal, rods or profiles; Bending sheet metal, rods or profiles into wave form

Definitions

  • the invention relates to a method for producing a sheet metal profile with at least one protruding edge flange, which is connected to the rest of the profile body over a radius and has the reinforcing beads.
  • Sheet metal profiles of this type are usually produced by pressing, by inserting a corresponding metal strip or a corresponding metal sheet in a press and shaped by moving together of upper and lower tool.
  • Use such sheet metal profiles often in the automotive sector, where they are welded as reinforcing support to other body parts.
  • the reinforcing beads serve as so-called welding surfaces, to which a welding robot attaches and produces individual spot welded joints.
  • Object of the present invention is therefore to improve a method of the type mentioned in such a way that in addition to a reduction in manufacturing costs and the use of high-strength steel sheets is possible.
  • This object is achieved in that first in the edge region of a metal strip, the reinforcing beads are embossed and then the profile cross-section of the sheet metal profile including the radii is made to the edge flange by roll forming.
  • the order of steps is of particular importance.
  • the embossing of beads in the edge region of the metal strip leads in particular in high-strength material to distortions of the metal strip or the subsequent metal profile. These distortions are accepted in the manufacturing process according to the invention; however, they are made by making the embossing step first is eliminated by the subsequent roll forming step again.
  • the method according to the invention is preferably used when the reinforcing beads end freely towards the free end of the edge flange. In particular, in such, free-ending beads, the deformations and distortions are particularly large by the impress, so that the inventive method makes particularly positive noticeable. It is further preferred that the reinforcing beads extend into the radius of the sheet metal profile to be formed by the roll forming.
  • the reinforcing beads are formed as substantially planar welding surfaces, which are connected by intervening, running in the longitudinal direction of the sheet metal profile bridges. Depending on the length of the bridges is preferred that they are flattened after the roll forming process in a straightening press. If the bridges are chosen short enough, such a flat pressing can also be omitted.
  • the method is preferably used for producing sheet metal profiles made of high-strength steel.
  • the process can be carried out particularly easily if, during roll forming of the radius for the edge flange, the distance between the inner roll and the outer roll is selected according to the sum of the sheet thickness and the indentation depth of the reinforcing beads.
  • the distance between two adjacent reinforcing beads is different in each case.
  • the method is also suitable for producing sheet metal profiles with one-sided edge flanges, it is preferably used for producing sheet metal profiles, in which on both opposite edge strips be embossed reinforcing beads of the metal strip, which are then formed by roll forming two edge flanges.
  • Fig. 1 shows a sheet metal strip in cross section as a starting material.
  • the metal strip 1 extends into the image plane and is usually unwound from a coil not shown here.
  • 1 reinforcing beads 3 and 4 are impressed in the lateral edge regions 2 and 3 of the metal strip, which ends free to the lateral free edge of the metal strip 1 out.
  • the metal strip then passes through a conventional roll forming plant, wherein the edge regions are bent to edge flanges 6 and 7, which each run over a radius 8 in the rest of the profile body.
  • the reinforcing beads 4 and 5 extend into the radius 8, so that, as can be seen better in FIG. 4, between the individual beads 4 and 5 lying edge flange, namely the bridges 9 and 10th supported in a lying on the reinforcing beads 4 and 5 level on the rest of the profile body.
  • the bridges 9 and 9 'between two adjacent reinforcing beads 4 and 4' can be of different lengths. For longer bridges and when using high-strength steel, it is necessary to press the bridges again flat after the finished roll forming, since these can be rejected during the roll forming process. This is done in a straightening station in which a force is directed from below against the bridge 9 'in accordance with the arrow indicated in FIG. 5.
  • the advantage of the method described above is that it is easy to produce an elongate sheet metal profile of high-strength material which can be produced in the edge regions of reinforcing beads, which are usually used as welding surfaces. This profile is characterized by high dimensional accuracy despite the use of a high-strength steel.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Coating With Molten Metal (AREA)
  • Metal Rolling (AREA)
  • Body Structure For Vehicles (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP05020285A 2004-11-15 2005-09-16 Méthode de fabrication d'un profilé en tôle Not-in-force EP1657005B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05020285T PL1657005T3 (pl) 2004-11-15 2005-09-16 Sposób wytwarzania blaszanego kształtownika

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102004055003A DE102004055003A1 (de) 2004-11-15 2004-11-15 Verfahren zum Herstellen eines Blechprofils

Publications (2)

Publication Number Publication Date
EP1657005A1 true EP1657005A1 (fr) 2006-05-17
EP1657005B1 EP1657005B1 (fr) 2007-07-11

Family

ID=35385466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05020285A Not-in-force EP1657005B1 (fr) 2004-11-15 2005-09-16 Méthode de fabrication d'un profilé en tôle

Country Status (8)

Country Link
EP (1) EP1657005B1 (fr)
AT (1) ATE366627T1 (fr)
DE (2) DE102004055003A1 (fr)
DK (1) DK1657005T3 (fr)
ES (1) ES2289634T3 (fr)
PL (1) PL1657005T3 (fr)
PT (1) PT1657005E (fr)
SI (1) SI1657005T1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020106374A1 (de) 2020-03-09 2021-09-09 Welser Profile Austria Gmbh Verfahren zur Herstellung eines rollprofilierten Bauteils

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008409A1 (fr) * 1993-09-24 1995-03-30 Bhp Steel (Jla) Pty. Ltd. Articles en tole ouvree laminee a froid
DE4442211A1 (de) * 1994-11-29 1996-06-05 Hoesch Siegerlandwerke Gmbh Gebogenes Trapezprofilblech für Dachkonstruktionen und Verfahren zur Herstellung eines derartigen Profilblechs
DE19818234A1 (de) * 1998-04-23 1999-10-28 Volkswagen Ag Rollprofiliereinrichtung zur Herstellung von Roll- oder Walzprofilelementen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4327252A1 (de) * 1993-08-13 1995-02-16 Richter System Gmbh & Co Kg Blechprofilteil mit Sicke
DE10010981A1 (de) * 2000-03-07 2001-10-25 Siegfried Niedermeyer Verfahren zur Erhöhung der Tragfestigkeit einer ebenen Material-Bahn aus Metall (insbesondere Bleche aus Legierungen) oder anderen Materialien zur Herstellung eines hoch belastbaren und formstabilen gewölbten Flächentragwerks sowie nach diesem Verfahren hergestellte Schutzhäuser, Shelter, Überdachungen, (Fassaden-) Verkleidungen, Tragkonstruktionen und dgl.

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995008409A1 (fr) * 1993-09-24 1995-03-30 Bhp Steel (Jla) Pty. Ltd. Articles en tole ouvree laminee a froid
DE4442211A1 (de) * 1994-11-29 1996-06-05 Hoesch Siegerlandwerke Gmbh Gebogenes Trapezprofilblech für Dachkonstruktionen und Verfahren zur Herstellung eines derartigen Profilblechs
DE19818234A1 (de) * 1998-04-23 1999-10-28 Volkswagen Ag Rollprofiliereinrichtung zur Herstellung von Roll- oder Walzprofilelementen

Also Published As

Publication number Publication date
ES2289634T3 (es) 2008-02-01
DE502005001009D1 (de) 2007-08-23
EP1657005B1 (fr) 2007-07-11
DE102004055003A1 (de) 2006-05-24
SI1657005T1 (sl) 2007-10-31
PT1657005E (pt) 2007-07-26
ATE366627T1 (de) 2007-08-15
PL1657005T3 (pl) 2008-01-31
DK1657005T3 (da) 2007-10-01

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