EP2145707B1 - Tige plate ou tige de profilé plat en métal - Google Patents

Tige plate ou tige de profilé plat en métal Download PDF

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Publication number
EP2145707B1
EP2145707B1 EP09004954.5A EP09004954A EP2145707B1 EP 2145707 B1 EP2145707 B1 EP 2145707B1 EP 09004954 A EP09004954 A EP 09004954A EP 2145707 B1 EP2145707 B1 EP 2145707B1
Authority
EP
European Patent Office
Prior art keywords
flat bar
flat
bar
embossment
profile
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.)
Active
Application number
EP09004954.5A
Other languages
German (de)
English (en)
Other versions
EP2145707A3 (fr
EP2145707A2 (fr
Inventor
Patrick Frey
Hans-Reiner Schäfer
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.)
GEDIA Gebrueder Dingerkus GmbH
Original Assignee
GEDIA Gebrueder Dingerkus GmbH
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.)
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Publication date
Application filed by GEDIA Gebrueder Dingerkus GmbH filed Critical GEDIA Gebrueder Dingerkus GmbH
Publication of EP2145707A2 publication Critical patent/EP2145707A2/fr
Publication of EP2145707A3 publication Critical patent/EP2145707A3/fr
Application granted granted Critical
Publication of EP2145707B1 publication Critical patent/EP2145707B1/fr
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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
    • B21D53/00—Making other particular articles
    • 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
    • B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
    • B21D11/08—Bending by altering the thickness of part of the cross-section of the work
    • 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
    • B21D22/02—Stamping using rigid devices or tools

Definitions

  • the invention relates to a flat bar or flat profile bar made of metal, which is cambered about a bending axis whose radius is preferably greater than 1000 mm, transverse to its longitudinal extent, wherein the bending axis is parallel to a broad side of the flat bar or parallel to a broad side of a leg of the flat profile bar ,
  • a flat profile bar according to the features described above is eg in the JP-A-360180634 disclosed.
  • it is known to form flat bars or flat profile bars for example, have L-shaped cross-section of sheet steel or aluminum sheet.
  • the desired shape of the flat bar or flat profile bar is first produced by a punching process, molding process, punching process and bending process.
  • the finished in this manner flat bar or flat bar is then cambered.
  • the crowning axis lies at a large distance from the flat bar or flat profile bar, wherein the Distance may be, for example, 2 meters or more.
  • the crowning is required to give the flat bar or flat bar the shape desired by the manufacturer.
  • From the JP S60 180 634 A is a flat profile bar known which is cambered transversely to its longitudinal extent.
  • an arrangement of wave-like deformations is provided in a leg of the profile bar. These wave-like deformations occur on the outer surface and the inner surface of the profile bar in appearance, so that no smooth surface is available, for example, as the visible side of the component.
  • a percussion profile bar is provided with channel-shaped formations which extend transversely to its longitudinal extent and are visible both on the outside and on the inside of the flat profile bar.
  • the present invention seeks to provide a flat bar or flat bar of the generic type, which is dimensionally accurate when bombing or after bombing his desired shape maintains dimensional stability, without the need for reworking the flat bar or flat profile bar and without complex tool adjustments are required, at least one surface of the flat bar or flat profile bar has a smooth surface, which is free of visible deformation contours.
  • embossing zones are embossed on one side into a broad side of the flat bar and / or the broad sides of the legs of the flat profile bar parallel to the bending axis.
  • one-sided embossing zones in the corresponding component, the tensions of the material occurring during crowning are apparently canceled, so that after the crowning and embossing results in a very dimensionally stable molded part, which can be used as intended. Due to the fact that only one-sided embossing takes place, for example, the visible side of the component can be free of embossed zones and have a smooth surface. This may also be necessary and helpful if, for example, they are not Seals are applied with side of the component provided with embossing zones, or the component with the side free from embossing zones is to be glued to another component or fastened to it in another form.
  • the arrangement of the embossing zones is provided only on a broad side of the flat bar.
  • the embossing zones are preferably provided in all legs of the flat profile bar, but only on the side, which allows an arrangement of embossing zones in the intended use of the component.
  • embossing zones are formed in the stretched outer skin of the flat bar or flat profile bar.
  • embossing zones are formed in the compressed inner skin of the flat bar or flat profile bar.
  • stretched zones of material or on the inner skin of the bar are formed respectively on the relative outer skin of the bar, which faces away from the bending center axis Material bar compressed zones.
  • the embossing zones can alternatively be introduced in one of the two zones.
  • the flat bar has a flat rectangular cross-section.
  • the flat profile bar in cross section is approximately L-shaped.
  • the width of the embossing zone is at most three times the material thickness of the bar material.
  • the depth of the embossing zone is at most 0.15 mm.
  • the depth of the embossing zone is at most 10% of the cross-sectional thickness of the starting material.
  • An appropriate dimensioning of the width and the depth of the embossing zone results in that target dimensions, which are specified by the manufacturer with respect to the corresponding component, despite the arrangement of the embossing zones are maintained, since the width and the depth of the embossing zone within the dimensional tolerances for the production of Components lie.
  • embossing zone is a continuous material depression.
  • the embossing zone can also be designed in such a way that the embossing zone is formed by embossing points arranged next to one another in a row.
  • round or polygonal stamp can be provided, by means of which the embossing points are generated, which are then arranged in a line next to each other and form the corresponding embossing zone.
  • a plurality of embossing zones are formed distributed parallel to one another over the length of the rod, wherein they are aligned symmetrically to the rod center.
  • stampings By forming the stampings according to the invention, reworking operations, such as correction grinding or the like, are avoided.
  • the corresponding stampings can be introduced with little effort in the appropriate mold.
  • the dimensions of the stampings are so small that they are within the normal component tolerances, so that no drawing changes or registration changes are required. Due to the one-sided introduction of the stampings in the component, the opposite surface than Visible surface or as a sealing surface suitable because it is formed without deformation continuous flat surface.
  • tolerances of ⁇ 1/10 mm are possible, for example, with a material thickness of 1.5 mm of the starting material.
  • These dimensional tolerances can be utilized in the arrangement of the embossing zones to lie within the material tolerances despite the formation of the embossing zones.
  • the symmetrical arrangement of the embossing zones to the longitudinal center of the flat bar or flat profile bar is conducive to the overall behavior.
  • the number and distribution of the embossing zones over the length of the flat bar or flat profile bar can be determined empirically, depending on the application.
  • a flat profile bar made of sheet metal, such as steel or aluminum can be seen.
  • This flat profile bar 1 is cambered transversely to its longitudinal extension, wherein the bending axis is parallel to a broad side 2 of the one leg of the flat profile bar 1.
  • the radius of the bending axis for the crowning is significantly more than 1 meter, for example 5 meters.
  • embossing zones 3,4 are one-sided in the Material of the flat profile bar provided.
  • the embossing zones are each 3.4 in the broad side of the corresponding leg of the flat profile bar 1 and they are virtually the entire width of the leg.
  • the embossing zones 3, 4 are formed in the stretched outer skin of the corresponding profile section.
  • the flat profile bar 1 has a cross-sectionally approximately L-shaped profile, wherein the angle between the legs is not 90 °, but an obtuse angle.
  • a profile bar other cross-sectional shapes can be used, for example, a Z-profile.
  • the embossing zone 3 or 4 is in FIG. 4 shown particularly clearly. Their depth is at a starting material of the profile bar of 1.5 mm, a maximum of about 0.15 mm, that is about 10% of the material thickness of the starting material.
  • the width of the embossing zone 3 or 4 is preferably about 2 mm in the exemplary embodiment. As can be seen in particular with respect to the embossing zone 3, this is arranged at a distance from the peripheral edge 5 of the corresponding leg of the profile bar 1 ending, so that between the peripheral edge 5 and the end of the embossment 3 still remains a flat zone, for example, for the arrangement of seals or can be used for gap-free connection with other parts.
  • the other end of the embossing zone 3,4 is located at the bend of the profile bar. 1
  • the embossing zone is formed by a continuous material depression, in particular from FIG. 4 is clear.
  • a plurality of embossing zones 3,4 are formed parallel to each other and distributed over the length of the respective rod, wherein they are aligned symmetrically to the rod center.
  • the rod center is indicated at 6.
  • the invention provides a very dimensionally stable part is provided by simple means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Claims (18)

  1. Tige plate ou tige de profilé plat (1) en tôle de métal qui est bombée autour d'un axe de pliage le rayon de celui-ci de préférence étant supérieur à 1000 mm, transversalement à son étendue longitudinale, l'axe de pliage s'étendant en parallèle à un côté large de la tige plate ou en parallèle à un côté large d'un bras de la tige de profilé plat (1),
    caractérisée en ce que des zones d'estampage (3, 4) s'étendant en parallèle à l'axe de pliage sont estampées d'un côté sur un côté large de la tige plate et/ou les côtés larges des bras de la tige de profilé plat (1).
  2. Tige plate ou tige de profilé plat selon la revendication 1,
    caractérisée en ce que les zones d'estampage (3, 4) sont formées dans la surface extérieure allongée de la tige plate ou tige de profilé plat (1).
  3. Tige plate ou tige de profilé plat selon la revendication 1,
    caractérisée en ce que les zones d'estampage (3, 4) sont formées dans la surface intérieure compressée de la tige plate ou tige de profilé plat (1).
  4. Tige plate selon une des revendications 1 à 3,
    caractérisée en ce que la tige plate a une section en coupe rectangulaire plate.
  5. Tige de profilé plat selon une des revendications 1 à 3,
    caractérisée en ce que la tige de profilé plat (1) a une section en coupe environ en forme de L.
  6. Tige plate ou tige de profilé plat selon une des revendications 1 à 5,
    caractérisée en ce que la profondeur de la zone d'estampage (3, 4) est de 20 % au maximum de l'épaisseur du matériau de la tige.
  7. Tige plate ou tige de profilé plat selon une des revendications 1 à 6,
    caractérisée en ce que la largeur de la zone d'estampage (3, 4) est de trois fois au maximum de l'épaisseur du matériau de la tige.
  8. Tige plate ou tige de profilé plat selon la revendication 7,
    caractérisée en ce que la largeur de la zone d'estampage (3, 4) est de 2 mm au maximum.
  9. Tige plate ou tige de profilé plat selon la revendication 6,
    caractérisée en ce que la profondeur de la zone d'estampage (3, 4) est de 0,15 mm au maximum.
  10. Tige plate ou tige de profilé plat selon une des revendications 1 à 9,
    caractérisée en ce que l'épaisseur du matériau de la tige est de 2 mm au maximum.
  11. Tige plate ou tige de profilé plat selon une des revendications 1 à 10,
    caractérisée en ce que la zone d'estampage (3, 4) se termine à une distance du bord (5) de la tige plate ou tige de profilé (1).
  12. Tige plate ou tige de profilé plat selon une des revendications 1 à 11,
    caractérisée en ce que la zone d'estampage (3, 4) est une dépression continue du matériau.
  13. Tige plate ou tige de profilé plat selon une des revendications 1 à 11,
    caractérisée en ce que la zone d'estampage (3, 4) est formée par des points d'estampage arrangés l'un à côté de l'autre en ligne.
  14. Tige plate ou tige de profilé plat selon une des revendications 1 à 13,
    caractérisée en ce qu'une pluralité de zones d'estampage (3, 4) sont formées en parallèle l'une à l'autre et distribuées sur la longueur de la tige, et sont orientées symétriquement par rapport au centre longitudinal (6) de la tige.
  15. Procédé de fabrication d'une tige plate ou tige de profilé plat (1) en tôle de métal selon une des revendications 1 à 14, la tige plate ou tige de profilé étant bombée autour d'un axe de pliage le rayon de celui-ci de préférence étant supérieur à 1000 mm, transversalement à son étendue longitudinale, l'axe de pliage s'étendant en parallèle à un côté large de la tige plate ou en parallèle à un côté large d'un bras de la tige de profilé plat (1),
    caractérisée en ce que des zones d'estampage (3, 4) s'étendant en parallèle à l'axe de pliage sont estampées d'un côté sur un côté large de la tige plate et/ou les côtés larges des bras de la tige de profilé plat (1).
  16. Procédé selon la revendication 15,

    caractérisée en ce que les zones d'estampage (3, 4) sont introduites pendant ou après le bombage.
  17. Procédé selon la revendication 15 ou 16,
    caractérisée en ce que les zones d'estampage (3, 4) sont formées dans la surface extérieure allongée de la tige plate ou tige de profilé plat (1).
  18. Procédé selon la revendication 15 ou 16,
    caractérisée en ce que les zones d'estampage (3, 4) sont formées dans la surface intérieure compressée de la tige plate ou tige de profilé plat (1).
EP09004954.5A 2008-07-19 2009-04-03 Tige plate ou tige de profilé plat en métal Active EP2145707B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102008033822A DE102008033822B4 (de) 2008-07-19 2008-07-19 Flachstab oder Flachprofilstab aus Metall

Publications (3)

Publication Number Publication Date
EP2145707A2 EP2145707A2 (fr) 2010-01-20
EP2145707A3 EP2145707A3 (fr) 2014-01-08
EP2145707B1 true EP2145707B1 (fr) 2018-05-09

Family

ID=41226014

Family Applications (1)

Application Number Title Priority Date Filing Date
EP09004954.5A Active EP2145707B1 (fr) 2008-07-19 2009-04-03 Tige plate ou tige de profilé plat en métal

Country Status (2)

Country Link
EP (1) EP2145707B1 (fr)
DE (1) DE102008033822B4 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9440277B2 (en) * 2011-06-20 2016-09-13 Gebruder Binder Gmbh Follow-on and/or transfer method for producing strips

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2205479A1 (de) * 1972-02-05 1973-08-16 Kaspar Klaus Profilierter traeger
DE3037590C2 (de) * 1980-10-04 1985-05-30 Vereinigte Aluminium-Werke AG, 1000 Berlin und 5300 Bonn Vorrichtung zum Biegen von gewellten oder profilierten Blechen
JPS59220215A (ja) * 1983-05-30 1984-12-11 Toyota Motor Corp プレス加工法
JPS60180634A (ja) * 1984-02-29 1985-09-14 Hashimoto Forming Co Ltd モ−ルデイングの製造方法
DE3515205A1 (de) * 1985-04-26 1986-10-30 Eichener Maschinenfabrik Kurt an Haack, 5910 Kreuztal Trapezprofil-tafel

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
DE102008033822A1 (de) 2010-01-28
DE102008033822B4 (de) 2010-06-17
EP2145707A3 (fr) 2014-01-08
EP2145707A2 (fr) 2010-01-20

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