EP2982461B1 - Fabrication de composants hybrides dans un procede de coulee - Google Patents

Fabrication de composants hybrides dans un procede de coulee Download PDF

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Publication number
EP2982461B1
EP2982461B1 EP15174639.3A EP15174639A EP2982461B1 EP 2982461 B1 EP2982461 B1 EP 2982461B1 EP 15174639 A EP15174639 A EP 15174639A EP 2982461 B1 EP2982461 B1 EP 2982461B1
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EP
European Patent Office
Prior art keywords
component
casting
cast
coupling component
sand core
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
EP15174639.3A
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German (de)
English (en)
Other versions
EP2982461A3 (fr
EP2982461A2 (fr
Inventor
Dr.-Ing. Jan Ove Løland
Svein JØRGENSEN
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.)
Aludyne Inc
Original Assignee
Aludyne Inc
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 Aludyne Inc filed Critical Aludyne Inc
Priority to PL15174639T priority Critical patent/PL2982461T3/pl
Publication of EP2982461A2 publication Critical patent/EP2982461A2/fr
Publication of EP2982461A3 publication Critical patent/EP2982461A3/fr
Application granted granted Critical
Publication of EP2982461B1 publication Critical patent/EP2982461B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/04—Casting in, on, or around objects which form part of the product for joining parts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22C—FOUNDRY MOULDING
    • B22C9/00—Moulds or cores; Moulding processes
    • B22C9/10—Cores; Manufacture or installation of cores
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D19/00—Casting in, on, or around objects which form part of the product
    • B22D19/16—Casting in, on, or around objects which form part of the product for making compound objects cast of two or more different metals, e.g. for making rolls for rolling mills

Definitions

  • the present invention relates to a method for producing a hybrid component formed from a cast component and a coupling component according to the features in the preamble of patent claim 1.
  • hybrid components in various fields is known from the prior art. This includes components made of two different materials that are fundamentally not easily coupled to one another, for example by thermal joining.
  • a hybrid component can also be understood to mean components, components being coupled which are basically made of the same material or similar material alloys, but the component is produced in succession using two different production methods.
  • lightweight materials in particular light metals, are usually coupled with components made of conventional steel materials.
  • hybrid components are known in particular in the motor vehicle area and here in the axle area, for example from DE 10 2008 049 486 A1 .
  • an axle auxiliary frame is produced, the connection carriers of which are coupled at their ends to cast nodes by casting.
  • the side members are cast in directly.
  • a method for connecting a closed hollow profile component with at least one cast part is also known.
  • a sand core is also arranged in the hollow profile component.
  • the object of the present invention is to show a production method for hybrid components, which is improved especially in the connection area of the two components and which provides greater degrees of freedom in shaping, in particular for the production of hollow casting components.
  • the method according to the invention with the features of claim 1 for producing a hybrid component formed from a cast component and a coupling component, in particular an axle component for a motor vehicle, the hybrid component being produced by a casting process with a sand core is characterized in that the Coupling component positioned on the sand core as a carrier and the sand core provided with the coupling component is placed in a casting mold and cast with a casting material, the sand core being shaken out after the casting material has solidified.
  • the sand core is basically provided as a carrier for a coupling component.
  • the sand core is initially provided, which according to the invention encompasses the coupling component.
  • the sand core can be formed, for example, in a core casting machine.
  • the coupling component which according to the invention is designed as a hollow component, is then positioned in the core casting machine.
  • the sand is then poured in, so that, according to the invention, the sand passes through the coupling component, but at least it is designed to be load-bearing or supporting.
  • the sand is then solidified using a sand core manufacturing process known in the art.
  • this can be done by a cold box or other solidification or hardening of the sand material, for example with hardening gas.
  • the sand core thus provided thus functions on the one hand to produce the cavity during the actual casting process, but on the other hand acts as a carrier or positioning of the coupling component.
  • the production of the hybrid component is to be understood to mean that an aluminum cast manufacturing method for producing a cast body is also coupled with a coupling component that has already been produced from an aluminum alloy.
  • the coupling component is preferably an extruded component.
  • components can also be produced which are formed from two different material pairs, for example a light metal component can be coupled to a steel component.
  • the hybrid component here refers to the definition that the coupling component is first completed independently and is positioned with the aid of the sand core and then cast around with a casting material for the production of the casting component.
  • the coupling component is in particular ring-like or sleeve-like.
  • Ring-shaped is inevitably not to be understood as circular here, but merely that it is designed as a closed hollow component, each with two open end sides, thus as a sleeve, so that the sand core can reach through the coupling component.
  • the hybrid component itself is particularly preferably provided as an axle auxiliary frame or motor vehicle auxiliary frame.
  • an auxiliary axle frame generally has two cross members and two side members, with at least one cross member particularly preferably functioning as a cast component and the coupling components being cast into the cast component for coupling with the side members.
  • the coupling component is thus fixed by means of a positive coupling with the sand core.
  • the sand core provided with the coupling component is then placed in a casting mold, in particular in a mold.
  • the casting mold is then poured out with a casting material which at least partially surrounds the sand core and the coupling component.
  • the coupling component preferably protrudes at least partially from the cast casting component.
  • the coupling component is designed as a connection component, a further element or component can then be connected to the projecting part or area, for example by thermal joining.
  • the sand core is applied, which is carried out according to the invention by shaking or shaking. According to an alternative procedure not according to the invention, however, it would also be conceivable for the sand core to be blown out pneumatically, for example.
  • the casting itself can be carried out, for example, as a low-pressure or vacuum chill casting process.
  • sized sand cores can still be used, since, due to the slight overpressures during the casting process described above, the sand cores would not be damaged.
  • An axle auxiliary frame is particularly preferably produced using the method according to the invention, a cross member of the axle auxiliary frame being produced by casting technology in each case at lateral connection points as a cast hollow component.
  • the coupling components initially supported on the sand core are then cast into the connection points or corner points, also referred to as nodes.
  • the coupling components are either the longitudinal members of the axle auxiliary frame itself or are designed as a connecting component or connecting flange, so that the actual longitudinal members are then coupled to the connecting flange by a further method step. This is done in particular by thermal joining.
  • the coupling components are in particular also made of light metal, in particular as extruded aluminum profiles.
  • they can also be formed as sheet metal components, for example made of a steel material.
  • a steel material or a light metal material is particularly preferably used as the casting material.
  • the surface of the coupling components is preferably chemically cleaned before casting and in particular before coupling with the sand core. In particular, this can be done by cleaning with nitric acid or soda.
  • the cavity of the casting tool itself is particularly preferably filled with protective gas. This also avoids the formation of an oxide coating during casting.
  • One advantage that is essential to the invention is that the use of the sand core as a support or carrier results in a geometrically exact positioning.
  • Figure 1 shows an inventive auxiliary frame 1 as a hybrid component in a schematic plan view.
  • the axle auxiliary frame 1 has a cross member, also referred to as a cross bridge 2, which is designed according to the invention as a cast hollow component.
  • the cross bridge 2 merges into two longitudinal beams 4, the longitudinal beams 4 in turn being coupled to one another via a further cross beam 5.
  • the auxiliary axle frame 1 is manufactured in such a way that the longitudinal beams 4 are first coupled to a sand core 7 present in the cross bridge 2 and then the cross bridge 2 is cast onto the sand core 7. After the casting process is complete, the sand core 7 is shaken out.
  • Figure 2 shows an alternative design variant Figure 1 , wherein here shown a coupling flange 6 is cast in the coupling point 3.
  • the connection flange 6 is thus initially produced with the transverse bridge 2 by casting technology, the longitudinal members 4 then being coupled to the connection flanges 6 after the casting process and / or shaking out of the sand core 7, and for example are integrally joined to them.
  • Figure 3 shows a cross-sectional view according to section line III-III of Figure 1 .
  • the cross bridge 2 is designed as a hollow component, shown here as a partially open c-shaped component in cross section. This is achieved in that a sand core 7 is first provided and an end region of the side member 4 shown here is connected to the sand core 7 in a form-fitting manner.
  • the longitudinal member 4 is thus placed with the solidified sand core 7 in a casting mold and cast with casting material, so that the cross bridge 2 through the Casting material is formed.
  • the sand core 7 is then shaken out.
  • Figure 4 shows a side view of a sand core 7 according to the invention, which is coupled in a form-fitting manner to a connecting flange 6.
  • Figure 5 shows a longitudinal sectional view through the representation according to Figure 4 . It is clearly visible in the Figures 4 and 5 that the sand core 7 engages positively through the connecting flange 6, hence the coupling component. The connecting flange 6 is thus positioned in a fixed position and cannot slip during the casting process by introducing the cast material.
  • the sand core 7 has, on the image plane, an area on the left that corresponds to the formation of the cavity Figure 3 serves in the cross bridge 2.
  • the right part of the sand core 7 shown on the image plane is used during the casting process to be placed in the casting tool and / or to seal the cavity from the surroundings.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Body Structure For Vehicles (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Vehicle Body Suspensions (AREA)

Claims (9)

  1. Procédé de réalisation d'un composant hybride constitué d'un composant de moulage et d'un composant de couplage, en particulier d'un composant d'essieu pour un véhicule automobile, le composant hybride étant fabriqué au moyen d'un procédé de moulage avec un noyau de sable (7), caractérisé en ce que le composant de couplage conçue comme composant creux est positionné comme support sur le noyau de sable (7) et le noyau de sable couplé solidairement avec le composant de couplage pour la fixation de le composant de couplage et fabriqué en traversant le composant de couplage est introduit dans un moule et refondu avec un matériau de moulage pour la réalisation de le composant moulé, le noyau de sable (7) étant agité après solidification du matériau de moulage.
  2. Procédé selon la revendication 1, caractérisé en ce que le composant moulé est réalisée comme composant creux.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que le composant de couplage est conçue comme composant d'extrusion ou comme composant de formage de tôle.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que le composant de couplage est conçue en forme annulaire ou en forme d'anneau de douille.
  5. Procédé selon l'une des revendications précédentes, caractérisé en ce que le procédé de moulage est réalisé comme moulage de métal léger ou moulage d'acier.
  6. Procédé selon l'une des revendications 1 à 5, caractérisé en ce que le composant de couplage est de forme oblongue et partiellement coulée, en particulier à une extrémité.
  7. Procédé selon l'une des revendications 1 à 6, caractérisé en ce qu'un pont transversal (2) d'un châssis de support d'essieu (1) est réalisé comme composant moulé, préférablement deux longerons (4) étant coulés côté extrémité comme composant de couplage ou que le composant de couplage est coulé comme bride de liaison (6).
  8. Procédé selon la revendication précédente, caractérisé en ce qu'un autre élément est couplé à la bride de liaison (6), en particulier par jointoiement thermique.
  9. Procédé selon l'une des revendications 1 à 8, caractérisé en ce qu'un moule est rempli de gaz de protection et/ou que le composant de couplage est nettoyé chimiquement.
EP15174639.3A 2014-08-05 2015-06-30 Fabrication de composants hybrides dans un procede de coulee Active EP2982461B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL15174639T PL2982461T3 (pl) 2014-08-05 2015-06-30 Wytwarzanie hybrydowych elementów konstrukcyjnych sposobem odlewania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014111143.5A DE102014111143A1 (de) 2014-08-05 2014-08-05 Herstellung von Hybridbauteilen im Gießverfahren

Publications (3)

Publication Number Publication Date
EP2982461A2 EP2982461A2 (fr) 2016-02-10
EP2982461A3 EP2982461A3 (fr) 2016-04-13
EP2982461B1 true EP2982461B1 (fr) 2020-08-05

Family

ID=53525070

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15174639.3A Active EP2982461B1 (fr) 2014-08-05 2015-06-30 Fabrication de composants hybrides dans un procede de coulee

Country Status (5)

Country Link
EP (1) EP2982461B1 (fr)
DE (1) DE102014111143A1 (fr)
ES (1) ES2817923T3 (fr)
HU (1) HUE051786T2 (fr)
PL (1) PL2982461T3 (fr)

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005061196B3 (de) * 2005-12-21 2007-01-11 Daimlerchrysler Ag Gießverfahren mit verlorenem Kern und eingegossener Komponente
DE102008049486A1 (de) 2008-09-29 2010-04-01 Daimler Ag Trägerstruktur eines Kraftfahrzeuges
DE102008051131A1 (de) * 2008-10-10 2010-04-15 Audi Ag Verfahren zur Verbindung eines geschlossenen Hohlprofilbauteils mit einem Gussteil
DE102009035326A1 (de) * 2009-07-30 2011-02-03 Daimler Ag Verbundbauteil mit wenigstens zwei Verbundkomponenten und Verfahren zu dessen Herstellung
MX2012008451A (es) * 2010-01-20 2012-08-15 Magna Int Inc Componente bimetalico y metodo para fabricar el mismo.
DE102012105280A1 (de) * 2012-06-18 2013-12-19 Martinrea Honsel Germany Gmbh Verfahren zur Herstellung eines Verbundbauteils

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
EP2982461A3 (fr) 2016-04-13
EP2982461A2 (fr) 2016-02-10
PL2982461T3 (pl) 2020-12-28
ES2817923T3 (es) 2021-04-08
DE102014111143A1 (de) 2016-02-11
HUE051786T2 (hu) 2021-03-29

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