EP1657005B1 - Verfahren zum Herstellen eines Blechprofils - Google Patents

Verfahren zum Herstellen eines Blechprofils Download PDF

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Publication number
EP1657005B1
EP1657005B1 EP05020285A EP05020285A EP1657005B1 EP 1657005 B1 EP1657005 B1 EP 1657005B1 EP 05020285 A EP05020285 A EP 05020285A EP 05020285 A EP05020285 A EP 05020285A EP 1657005 B1 EP1657005 B1 EP 1657005B1
Authority
EP
European Patent Office
Prior art keywords
sheet
reinforcing beads
roll forming
metal strip
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.)
Expired - Lifetime
Application number
EP05020285A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1657005A1 (de
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/de
Application granted granted Critical
Publication of EP1657005B1 publication Critical patent/EP1657005B1/de
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
    • 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 according to the preamble of claim 1 (see, for example WO 95/98409 ).
  • 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 is formed 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.
  • the known manufacturing methods provide good results with regard to the required dimensional accuracy of the sheet-metal profile, the known production methods are relatively expensive and cause problems when forming the reinforcing beads if the sheet-metal profiles are to be manufactured from a high-strength steel.
  • From the international patent application WO 95/98409 is a method for roll forming cold processed steel known.
  • From the DE 198 18 234 A1 is a Rollprofilier noticed for the production of rolled or rolled profiles known.
  • From the DE 44 42 211 A1 is a curved trapezoidal sheet for roof structures and a method for producing rolled or rolled profiles is known.
  • From the DE 44 42 211 A1 is a curved trapezoidal sheet metal for roof structures and a method for producing such a profiled sheet is known.
  • 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 a metal strip made of high-strength steel is used, and that initially in the edge region of the metal strip towards the free end of the later edge flange towards freely ending and to be embossed into the to be formed by the subsequent roll forming radius in reinforcing beads.
  • 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 by the fact that the embossing is made first, eliminated by the subsequent roll forming step again.
  • the reinforcing beads open 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.
  • 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 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 method is also suitable for producing sheet metal profiles with single-sided edge flanges, it is preferably used for producing sheet metal profiles in which reinforcing beads are embossed on both opposite edge strips of the sheet metal strip, wherein two edge flanges are then formed by roll forming.
  • 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.
  • the reinforcing beads 4 and 5 extend into the radius 8, so that, as can be seen better in FIG. 4, the edge flange regions lying between the individual beads 4 and 5, namely the bridges 9 and 10 in one supported on the rest of the profile body over the reinforcing beads 4 and 5 lying level.
  • 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)
  • Coating With Molten Metal (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Body Structure For Vehicles (AREA)
  • Metal Rolling (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)
EP05020285A 2004-11-15 2005-09-16 Verfahren zum Herstellen eines Blechprofils Expired - Lifetime EP1657005B1 (de)

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 EP1657005A1 (de) 2006-05-17
EP1657005B1 true EP1657005B1 (de) 2007-07-11

Family

ID=35385466

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05020285A Expired - Lifetime EP1657005B1 (de) 2004-11-15 2005-09-16 Verfahren zum Herstellen eines Blechprofils

Country Status (8)

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

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

Family Cites Families (5)

* 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
WO1995008409A1 (en) * 1993-09-24 1995-03-30 Bhp Steel (Jla) Pty. Ltd. Roll-forming cold worked sheet metal articles
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
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.

Also Published As

Publication number Publication date
DE102004055003A1 (de) 2006-05-24
DK1657005T3 (da) 2007-10-01
SI1657005T1 (sl) 2007-10-31
EP1657005A1 (de) 2006-05-17
PL1657005T3 (pl) 2008-01-31
PT1657005E (pt) 2007-07-26
DE502005001009D1 (de) 2007-08-23
ES2289634T3 (es) 2008-02-01
ATE366627T1 (de) 2007-08-15

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