EP3586990B1 - Procédé d'augmentation de la stabilité mécanique d'une zone périphérique - Google Patents

Procédé d'augmentation de la stabilité mécanique d'une zone périphérique Download PDF

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Publication number
EP3586990B1
EP3586990B1 EP18179375.3A EP18179375A EP3586990B1 EP 3586990 B1 EP3586990 B1 EP 3586990B1 EP 18179375 A EP18179375 A EP 18179375A EP 3586990 B1 EP3586990 B1 EP 3586990B1
Authority
EP
European Patent Office
Prior art keywords
peripheral edge
base body
mechanical stability
edge area
cutout
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
EP18179375.3A
Other languages
German (de)
English (en)
Other versions
EP3586990A1 (fr
Inventor
Stefan Schwarte
Raymond Kilian
Marc Schieberle
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.)
Jakel & Co KG GmbH
Original Assignee
Jakel & Co KG 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.)
Filing date
Publication date
Application filed by Jakel & Co KG GmbH filed Critical Jakel & Co KG GmbH
Priority to EP18179375.3A priority Critical patent/EP3586990B1/fr
Priority to PL18179375.3T priority patent/PL3586990T3/pl
Publication of EP3586990A1 publication Critical patent/EP3586990A1/fr
Application granted granted Critical
Publication of EP3586990B1 publication Critical patent/EP3586990B1/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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/12—Edge-curling
    • B21D19/14—Reinforcing edges, e.g. armouring same
    • 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
    • B21D19/00—Flanging or other edge treatment, e.g. of tubes
    • B21D19/08—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws
    • B21D19/088—Flanging or other edge treatment, e.g. of tubes by single or successive action of pressing tools, e.g. vice jaws for flanging holes
    • 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
    • B21D22/04—Stamping using rigid devices or tools for dimpling
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • 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
    • B21D28/00—Shaping by press-cutting; Perforating
    • B21D28/24—Perforating, i.e. punching holes
    • B21D28/26—Perforating, i.e. punching holes in sheets or flat parts

Definitions

  • the present invention relates to a method for increasing the mechanical stability of an edge area according to claim 1.
  • ribs or beads can be introduced into the edge area.
  • Another possibility is to thicken the edge area by applying material.
  • reinforcement elements can be arranged in the edge area, so that the edge area has a greater material thickness than other areas of the base body. Increasing the thickness of the entire body can also be an option. However, this increases the mass of the base body considerably, which is particularly disadvantageous in the case of moving base bodies. In addition, more material is required to manufacture the base body, which increases the manufacturing costs.
  • the DE 10 2011 054 865 A1 which forms the basis for the preamble of claim 1, discloses a method for producing a hot-formed and press-hardened automobile body component.
  • the invention is based on the object of creating a method that is easier to carry out.
  • a base body with a recess and an edge area is produced.
  • the edge area limits the recess.
  • the edge area can have a uniform width around the recess, for example.
  • the recess can, for example, be circular, oval or angular. In principle, other shapes of the recess are also possible.
  • the width is understood in particular to mean the dimension in which the plane in which the base body is arranged extends.
  • the edge area is then bent over.
  • a first part of the folded edge area is then removed. It should be noted that a second part of the edge area is not removed, i.e. it remains.
  • the first part is preferably arranged between the second part and the recess.
  • the first part has a uniform width around the recess. After removing the first part, a final cylindrical shape of the recess is achieved.
  • the curvature of the edge area transitions into the straight shape of the base body in the second area.
  • the second part therefore has an increased thickness in comparison to an area of the base body adjoining the edge area.
  • the thickness is understood in particular to mean the dimension in which the base body has the smallest extent.
  • the thickness has a decisive influence on the mechanical stability of the base body.
  • the increased thickness in the second part of the edge area therefore increases the mechanical stability of the edge area.
  • the second area increases the mechanical stability of the recess without increasing the entire thickness of the base body is increased.
  • a base body with a particularly stable recess is thus created, which has a comparatively low mass. Less resources are therefore required and the production costs are low. In particular, when the base body is part of a rotating device, less energy is required to set the device in rotation.
  • the process is particularly easy to carry out, since no material has to be applied and no reinforcement elements such as beads or ribs have to be introduced. Only one forming step, namely bending, and one material removal step take place.
  • the method can therefore be implemented in a particularly simple and cost-effective manner.
  • the base body can be produced with a bead, which further increases the mechanical stability of the base body.
  • the bead can be arranged around the recess. This is particularly advantageous for increasing the stability of the edge area.
  • the bead can have an outer contour that corresponds to an outer contour of the recess.
  • outer contour is understood to mean, in particular, the outer shape of the respective component in the plane of the base body.
  • edge area, the first part and/or the second part to have the same outer contour as the recess.
  • the base body can be produced with several beads, which further increase the mechanical stability of the base body.
  • the edge area can have a width of less than 10 cm, preferably less than 5 cm.
  • the first part can be removed by machining, cutting and/or with a laser beam.
  • removal with a cutting punch is possible.
  • the edge area can be bent over at an angle of between 15° and 90°.
  • the base body 100 has a recess 101 which can be used, for example, to fasten the base body 100 to another component.
  • the edge region 200 delimiting the recess 101 is mechanically stressed. It is therefore advantageous to design the edge region 200 to be particularly stable.
  • the edge area 200 is bent over.
  • a first part of the edge area 200 is then removed. This can be done in particular by machining or cutting, for example with a cutting punch.
  • the second part 300 still present on the base body 100 now has a greater thickness t+x. This can be seen especially well in FIG. 5C.
  • the base body 100 has a thickness t in the area adjoining the edge area 200, while the second part 300 of the edge area 200 has a thickness t+x. The mechanical stability of the second part 300 has thus been increased.
  • Base body 100 shown has a recess 101, the shape of which of the recess in the Figures 1 to 5 deviates.
  • the recess is open on one side of the base body and is delimited on the other sides by the second part 300 of the edge region.
  • the second part 300 of the edge area is the same as in FIGS Figures 1 to 5 educated.
  • the base body 100 shown can be produced in the same way as the one shown in FIG figure 3 shown body. Only the shape of the recess is different.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Punching Or Piercing (AREA)
  • Forging (AREA)

Claims (8)

  1. Procédé d'augmentation de la stabilité mécanique d'une zone périphérique (200), dans lequel le procédé comprend les étapes suivantes :
    - la fabrication d'un corps de base (100) avec un évidement (101) et la zone périphérique (200), dans lequel l'évidement (101) est délimité par la zone périphérique (200) ;
    - le repliage de la zone périphérique (200) ;
    - le retrait d'une première partie de la zone périphérique (200), dans lequel une seconde partie (300) de la zone périphérique (200) n'est pas retirée, et dans lequel la seconde partie (300) de la zone périphérique (200) présente une épaisseur plus grande qu'une zone contiguë à la seconde (300) partie du corps de base (100),
    dans lequel la première partie présente une largeur uniforme autour de l'évidement, caractérisé en ce qu'une forme terminale cylindrique de l'évidement est obtenue après le retrait de la première partie.
  2. Procédé selon la revendication 1, caractérisé en ce que le corps de base (100) est fabriqué avec une moulure qui augmente la stabilité mécanique du corps de base (100).
  3. Procédé selon la revendication précédente, caractérisé en ce que la moulure est agencée autour de l'évidement (101).
  4. Procédé selon l'une quelconque des deux revendications précédentes, caractérisé en ce que la moulure présente un contour extérieur qui correspond à un contour extérieur de l'évidement (101).
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le corps de base (100) est fabriqué avec plusieurs moulures qui augmentent la stabilité mécanique du corps de base (100).
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la zone périphérique (200) présente une largeur de moins de 10 cm, de préférence moins de 5 cm.
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la première partie est retirée par usinage, découpe, un jet d'eau et/ou avec un faisceau laser.
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la zone périphérique (200) est repliée d'un angle entre 15° et 90°.
EP18179375.3A 2018-06-22 2018-06-22 Procédé d'augmentation de la stabilité mécanique d'une zone périphérique Active EP3586990B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18179375.3A EP3586990B1 (fr) 2018-06-22 2018-06-22 Procédé d'augmentation de la stabilité mécanique d'une zone périphérique
PL18179375.3T PL3586990T3 (pl) 2018-06-22 2018-06-22 Sposób zwiększania stabilności mechanicznej obszaru brzegowego

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP18179375.3A EP3586990B1 (fr) 2018-06-22 2018-06-22 Procédé d'augmentation de la stabilité mécanique d'une zone périphérique

Publications (2)

Publication Number Publication Date
EP3586990A1 EP3586990A1 (fr) 2020-01-01
EP3586990B1 true EP3586990B1 (fr) 2023-06-07

Family

ID=62874565

Family Applications (1)

Application Number Title Priority Date Filing Date
EP18179375.3A Active EP3586990B1 (fr) 2018-06-22 2018-06-22 Procédé d'augmentation de la stabilité mécanique d'une zone périphérique

Country Status (2)

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EP (1) EP3586990B1 (fr)
PL (1) PL3586990T3 (fr)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002239663A (ja) * 2001-02-21 2002-08-27 Taiho Kogyo Co Ltd ディスク部材とその成形方法
DE10149546A1 (de) * 2001-10-08 2003-04-30 Fraunhofer Ges Forschung Verfahren und Vorrichtung zur Ausbildung eines Funktionsbereiches an einem Blech
DE102011054865B4 (de) * 2011-10-27 2016-05-12 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines warmumgeformten und pressgehärteten Kraftfahrzeugkarosseriebauteils sowie Kraftfahrzeugkarosseriebauteil

Also Published As

Publication number Publication date
EP3586990A1 (fr) 2020-01-01
PL3586990T3 (pl) 2023-10-23

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