EP3077138B1 - Procédé de génération, par une technique de coulée, de pièces à partir de métal en fusion - Google Patents

Procédé de génération, par une technique de coulée, de pièces à partir de métal en fusion Download PDF

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Publication number
EP3077138B1
EP3077138B1 EP14809617.5A EP14809617A EP3077138B1 EP 3077138 B1 EP3077138 B1 EP 3077138B1 EP 14809617 A EP14809617 A EP 14809617A EP 3077138 B1 EP3077138 B1 EP 3077138B1
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EP
European Patent Office
Prior art keywords
tundish
casting
casting mould
molten metal
mold
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EP14809617.5A
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German (de)
English (en)
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EP3077138A1 (fr
Inventor
Liviu Calin
Friedrich Irauschek
Walter Hartl
Reinhard Mann
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Nemak SAB de CV
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Nemak SAB de CV
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00—Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/006—Casting by filling the mould through rotation of the mould together with a molten metal holding recipient, about a common axis
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D33/00—Equipment for handling moulds
    • B22D33/02—Turning or transposing moulds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/04—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like tiltable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D41/00—Casting melt-holding vessels, e.g. ladles, tundishes, cups or the like
    • B22D41/06—Equipment for tilting

Definitions

  • the invention relates to a method for the casting-technical production of castings from a molten metal according to the preamble of claim 1.
  • a fundamental problem when casting castings from a molten metal is to perform the mold filling with the molten material so that it comes as little as possible air and Oxidein whyn in the casting.
  • a particular course of solidification is sought in order to achieve a structure formation which satisfies the respective requirements for the distribution of the mechanical properties.
  • melt should get as quickly as possible from the melting tank or the casting container into the mold.
  • alloy components are prevented from reacting with the ambient oxygen and forming hard oxides.
  • temperature losses during casting should be minimized in order to ensure optimal microstructure formation.
  • a low-turbulence "quiet" filling of the respective casting mold is particularly important. This will minimize the amount of oxides and other contaminants that will float on the melt volume to be filled into the mold and otherwise enter the mold during casting. In order to achieve this, a large number of variants of the so-called "tilt casting" have been developed in the past.
  • a common feature of the known Kippg tell compiler is that the mold is filled via a docked to them melt container by being rotated with the melt container from a starting position in which the melt container is filled with the melt to be cast, about a pivot axis in an end position, so that as a result of this pivoting movement, the melt flows into the mold.
  • a mold is constructed with upward facing sprue on a base plate and then rotated with the base plate by about 180 ° about a horizontal pivot axis until the sprue side of the mold facing down.
  • a casting container which is filled with a sufficient to fill the mold melt portion, with its spout opening docked close to the sprue side of the mold.
  • the casting mold is then rotated together with the casting container adjacent to it by about 180 ° about a horizontally oriented pivot axis, so that the melt flows from the casting container into the casting mold.
  • the casting container can be removed from the casting mold. Processes of this type are also referred to as Rotationsg veivinclar because of the wide pivoting path.
  • From the DE 10 2008 015 856 A1 is another variant of a method for casting light metal components according to the Kippg discernroz known.
  • the melt is poured into an assembly associated with the mold. From this module flows during a tilting movement of the mold melt in the mold cavity.
  • the casting mold is pivoted starting from an end position by means of an associated casting machine in a starting position of up to 90 ° about a horizontally oriented pivot axis and by the mold is then displaced in a range of 0 ° to 90 °, geometrically demanding components with good Forming the structure during short cycle times during solidification.
  • a method for Kippgie H of components in which in a first step, a mold defining a mold cavity for receiving a molten metal and having at least one G cardtümpel, from a basic position with upwardly facing sprue in a first pivoting direction about a first pivot angle in a first pivot position is pivoted. Then the mold is prepared for pouring a new casting, where it is cleaned, optionally sized and finally filled with casting cores. Then, the mold is pivoted in a second, the first pivoting direction opposite pivoting direction. It passes through the basic position and is pivoted to a second pivot position in which the mold has a second pivot angle with respect to the basic position.
  • the at least one pouring basin is filled with a liquid molten metal intended for casting a component.
  • the one mold is pivoted together with the pouring basin in the opposite direction in the basic position such that the liquid melt between the second pivot position and the basic position laminar flows into the mold cavity of the mold.
  • the object of the invention was to provide a method for the casting production of castings, in which a further optimized mold filling and a concomitant optimized solidification process, an optimal quality of the castings is guaranteed.
  • this object has been achieved by completing the steps specified in claim 1 when casting castings from a molten metal.
  • a casting mold is accordingly used, which is pivotally mounted in a casting machine about a horizontally oriented pivot axis and thereby defines a mold cavity respectively forming the cast part to be cast and a mold cavity delimiting on one side thereof
  • a cover on which at least one filling opening is provided for introducing molten metal into the mold cavity
  • a reference side wall which collides with the cover, which surrounds the cover Mold cavity bounded on its one side with wall surfaces in which an axis parallel to the pivot axis extending main plane of the reference side wall is set so that their orientation is approximated the means of orientations of the wall surfaces, each extending in a direction parallel to the pivot axis direction, and a Floor having its bottom surface associated with the mold cavity images the bottom end of the casting.
  • a tundish is used according to the invention, which is at least partially open on its sprue for pouring the molten metal into the tundish and a colliding with the sprue side and a bottom of the tundish over which the filled in the tundish molten metal in the casting from the tundish in the mold flows off.
  • the tundish is then arranged on the mold in a first step such that its spout side abuts the lid of the mold and the bottom of the tundish is associated with the reference side wall, wherein the sprue of the mold and the open portion of the spout face at least intersect each other.
  • the mold is pivoted to a pouring position in which the main plane of the reference side wall with the bath level of a molten metal portion to be filled into the tundish forms an angle ⁇ 1 which is smaller than 180 °, and the bath level of the into the Tundish to be filled molten metal portion is located below the filling opening of the mold.
  • the tundish standing in the pouring position is filled with the metal melt portion which is sufficient for filling the casting mold.
  • the casting mold with the tundish arranged on it is pivoted about the pivot axis into a pivoting direction, in which molten metal flows from the tundish into the casting mold as a result of the pivoting action and the gravity effect, wherein the pivoting is continued until an end position is reached in which the mold is filled with molten metal, and wherein between the main plane of the reference side wall and the bath level of each contained in the tundish metal melt portion each included angle ß1 is at least always smaller than 180 ° until the melt flowing into the mold meets the bottom of the mold.
  • the pivot position of the arranged from casting mold and arranged at her, serving as a melt container tundish combination is selected in the starting position so that after the required for filling the mold metal melt portion is filled, the bath level of the molten metal portion with the main plane of the reference side wall includes an angle ß1, which is smaller than 180 °.
  • this angle ⁇ 1 is respectively measured between the main plane of the reference side wall and the free surface of the virtual bath level until the molten metal portion is filled.
  • reference side wall while the side wall of the mold is referred to, which, when the tundish is docked to the mold, is adjacent to the tundish next.
  • Main plane of the reference side wall is then an imaginary plane passing through a parallel to the pivot axis of the mold extending direction vector and a second direction vector is spanned, which is aligned on the one hand normal to the pivot axis and its alignment on the other hand corresponds to the means of orientations of also to the pivot axis normally positioned vectors, which are applied to those wall surfaces which extend in each case parallel to the pivot axis.
  • the angle ß1 is selected according to the invention by a corresponding pivoting of the mold / tundish combination for the Eingusshus so that it during the filling of the required molten metal portion in the serving as a melt container tundish pivoting of the combination formed from the mold and tundish so long smaller than 180 ° remains until the melt hits the bottom of the mold.
  • the melt to be cast in the course of pivoting and its associated inflow into the mold as long rising flat against the determining the position of the main plane inner wall surfaces of the reference side wall until it reaches the bottom of the mold. Similar to a gently rising against a shallow rising beach swell thus occur in the reaching into the mold melt at most minimal turbulence.
  • the casting mold is flooded particularly smoothly and quietly by the melt entering the casting mold as a result of the pivoting movement and the force of gravity.
  • the casting is built according to the invention with increasing pivoting starting from the reference side wall in Mold cavity of the mold gradually until the end position of the pivoting path is reached and the mold is completely filled with melt.
  • Structural or apparative measures such as the arrangement of a restraining sword, a filter or a sieve in the region of the filling opening of the mold, or the like, it is therefore not necessary.
  • the invention thus leads not only to a significant time savings over conventional Rotationsg intelligent sword, but also to improved product properties of the resulting castings over such castings, which are produced by conventional Kippgussclar.
  • Another advantage of the invention is that as casting a open to its sprue side during the filling and panning process tundish of simplest geometric design can be used. This results in respect of the specifications according to the invention in each case a well achievable pouring position, in which by means of a conventional ladle the respectively required melt portion can be filled into the tundish.
  • the filling opening provided in the cover of the casting mold can be designed for the method according to the invention so that the filling can also be effected in each case in a direct flow from those sections of the casting mold which are far away with respect to the filling opening.
  • the filling opening is optimally not limited to a small surface portion of the lid, so that the melt enters the mold in a concentrated, fast-flowing flow, but rather designed so that they seen in plan view of the lid from the Covers parallel to the lid-oriented cross-section of the mold cavity of the mold as far as possible. This can also be achieved by allocating each individual fill opening or a specific section of a large common fill opening to the individual sections of the casting mold distributed over the cross-sectional area.
  • a plurality of filling openings can be superimposed on one another in such a way that they merge into one another in their cutting areas and thus form a filling openings branched into two or more sections.
  • the aim here is that the filling opening is maximally large, to allow the simultaneous entry of a large volume of melt into the mold in a quiet flow while avoiding local flow velocity peaks.
  • the quiet mold filling can also be supported by the fact that the pivot axis about which the casting mold is pivoted extends through or near the bottom of the casting mold.
  • the inventive method is particularly suitable for mass production of cylinder heads and crankcases for internal combustion engines, the highest demands are placed on their mechanical and thermal suitability.
  • the tundish can be either permanently connected to the mold or held releasably by means of suitable pressing on the mold to carry out the method according to the invention.
  • the latter embodiment has the advantage that the tundish, for example, for cleaning or replacement can be easily separated from the mold. At the same time by a sufficient holding force secure sealing of the joints, at which the tundish abuts against the mold, ensured and even if due to heat or wear the mating contact surfaces of the mold and tundish no longer fit perfectly with each other.
  • As a device for holding the tundish at the Mold are particularly suitable hydraulically operating pressing devices that can generate high Anpresse- and holding forces in a small space.
  • the tundish has a bottom which is flat on its surface facing the molten metal.
  • the flat bottom surface is aligned such that it is in a horizontal position at the earliest at the time when the melt flowing into the casting mold meets the bottom of the casting mold.
  • the tundish can be arranged and aligned in a particularly simple manner on the casting mold if the outlet side is open over the height and width of the trough space delimited by the tundish.
  • This embodiment has the additional advantage that the pending in the tundish in a mold in which a plurality of sprues or gates are present in the lid to be distributed over the melt in the mold Metal melt portion during pivoting over a large width runs evenly against the lid of the mold and accordingly flows evenly into the existing there openings of the mold.
  • the amount of oxides and other contaminants that are drawn when pouring into the molten metal portion filled into the tundish can be minimized by also pouring in the stream which is as calm as possible. This may be assisted by forming on one of the molten metal facing sides of one of the closed sidewalls of the tundish a rising starting from the tundish bottom in the direction of the upper free edge of this side wall starting surface against which the molten metal is directed when pouring the molten metal into the tundish , The melt of melt which strikes the thus formed inclined surface is deflected with the removal of kinetic energy in such a way that it spreads over a widened front onto the melt already present in the tundish, so that the intensity and depth of the turbulences inevitably arising therefrom are minimized. Depending on the way in which concentrated the pouring stream meets the run-up surface during pouring, it may be expedient to make the run-up surface concave, concave or curved in a concave manner.
  • a tundish whose tub space has a cuboid basic shape, wherein the Mold associated pour spout and the top of the tundish are open, while the run-up surface is formed on the opposite side to the spout side inner surface of the tundish.
  • the filling of the casting mold can take place via a distributor channel system formed on its lid or upstream of the lid, if this is considered to be expedient from a pouring or fluidic point of view.
  • a distributor channel system formed on its lid or upstream of the lid, if this is considered to be expedient from a pouring or fluidic point of view.
  • the particular advantages of the method according to the invention are particularly evident when two or more gates open on the cover as sprues, through which the melt flows during pivoting directly into the mold cavity of the casting mold.
  • due to the particularly quiet filling, which is ensured by the invention it is also possible without any problems to directly flow to the lid when it is formed as a lost mold core from a molding material.
  • the method according to the invention is particularly suitable for casting cast parts in casting molds that are completely or at least partially so-called Core package of a variety of particular molding material preformed casting cores are composed.
  • Such molds are particularly suitable for the production of filigree castings with a variety of internal channels, as they are needed for the construction of internal combustion engines.
  • the inventive method when pivoting the mold with the tundish disposed thereon between the Eingusswolf and the end position completed swing angle is typically in the range of at least 110 ° and up to 160 °, which turned out in practice pivoting angle of 120 - 150 ° as particularly probat to have.
  • the casting machine G has a bearing plate 2 mounted in a frame 1, which is pivotable by means of a pivot drive 3 about a horizontally oriented pivot axis HS. At home position ( Fig. 1 ) located casting machine G, the support plate 2 is aligned horizontally.
  • a casting mold core 6 - 11 composite casting mold 5 is constructed as a core package of a plurality of well-known molds for casting, for example, a cylinder head, a crankcase or an engine block for an internal combustion engine.
  • the molding material constituting the cores 6 - 11 is a mixture of a foundry sand, optional additives and a binder which is solidified by a chemical treatment or heat supply to provide the necessary dimensional stability.
  • individual cores or parts of the mold 5 may also consist of other materials in order to use them repeatedly.
  • cooling iron or the like may be present to a to cause directional solidification of the filled into the mold 5 melt.
  • the mold shown here for clarity only in a rough detailing comprises a bottom 6, side walls 7,8, which form the lateral outer end of the mold 5, a cover 9 and within the mold cavity 5 bounded by the mold cavity 10 casting cores 11, the depict channels and or cavities in the casting to be cast.
  • the bottom 6 and the side walls 7, 8 may be produced, for example, as casting cores made of molding material or as a permanent casting molding made of a metallic material, such as a heat-resistant steel material or a copper material.
  • a cover 9 typically consists of molding material, whereas the base 6 and the side walls 7, 8 are designed as permanent moldings.
  • a trough-like recess 12 is formed in the cover 9, in the bottom serving as feed openings 13 ends, via which the mold cavity 10 of the mold 5 can be filled with melt.
  • the casting machine G additionally comprises a pivoting and positioning device 14 likewise mounted on the support plate 2.
  • a tundish 15 can be located between a waiting position in which it is located outside the region which, prior to the casting process, builds up the casting mold 5 the support plate 2 or after completion of the casting process for removing the mold 5 is needed, and a Eingusswolf be pivoted, in which it is arranged with its spout 16 on the outside 17 of the lid 9 fitting.
  • the open on its spout 16 and top O, made of a refractory material tundish 15 defines with its bottom 18, two mutually parallel, along the bottom 18 extending longitudinal side walls 19,20 and a rear wall 21 a tundish space 22.
  • the rear wall 21 extends it parallel to the open spout 16 between their associated ends of the longitudinal side walls 19,20 and has at its the tundish space 22 associated side a contact surface 23, starting from the flat, the tundish 22 associated bottom surface of the bottom 18 in the direction of the free upper edge of the Rear wall 21 rises obliquely.
  • the tundish 15 is held by the device 14 on the casting mold 5 in such a way that the casting mold 5 bears tightly against the associated contact surfaces of the cover 9 of the casting mold 5 with the respective free end faces of the longitudinal side walls 19, 20 and the bottom 18.
  • the device 14 sets the tundish 15 with its spout side on the cover 9 of the mold 5 (FIG. Fig. 3 ). The Device 14 holds the tundish in this position on the mold 5 until the casting process is completed.
  • the side wall 7 When placed on the mold 5 tundish 15 which is in this position to the bottom 18 of the tundish 5 next marine-side wall 7 of the mold is the reference side wall, which is crucial for the determination of the pouring position in which the tundish 5 is filled with melt.
  • the side wall 7 On its side assigned to the mold cavity 10, the side wall 7 has wall surfaces 24 which depict molding surfaces on the associated lateral outer surface of the casting to be cast.
  • Each of the wall surfaces 24 has a specific orientation with respect to the pivot axis HS, which can be indicated in each case by a vector VW applied to the respective wall surface 24 and aligned in a direction normal to the pivot axis HS.
  • a virtual main plane HE is laid in the side wall 7, which extends on the one hand parallel to the pivot axis HS and on the other hand is aligned, their orientation is approximated to the mean of the orientations of the wall surfaces 24 indicated by the vectors VW, each of which also extends in a direction parallel to the pivot axis.
  • the swivel angle ß2 to which the mold 5 after docking of the tundish 15 in the example shown here counterclockwise about the pivot axis HS from the in Fig. 3 shown starting position in the in Fig. 4.5 is shown pivoted, is now chosen so that between the top of the still at this time still virtual bathroom mirror BS of the filled into the tundish 15 molten metal portion S and the main plane HE of the reference side B included angle ß1 is less than 180 °.
  • this angle ⁇ 1 is, for example, 135-165 °
  • the swivel angle ⁇ 2 is in the range of 110-160 °, in particular 120-150 °.
  • the bath level BS is below the throat 13 of the casting mold 5 which is located deepest in the lid 9 in this position.
  • the molten metal portion S is filled into the tundish 15 by means of a conventional ladle 25.
  • the molten metal used here is an aluminum casting alloy, as is customarily used for casting parts for internal combustion engines.
  • the casting steel 26 emerging from the ladle 25 is directed against the contact surface 23 of the tundish 15.
  • the incident there beam 26 is redirected with the withdrawal of kinetic energy in the direction of the bottom surface of the tundish 15 and thus meets in a comparatively gentle, distributed over a greater width Flow on the already existing in the tundish 15 melt S.
  • the selected for the Einguss ein swivel angle ß2 has been adjusted in accordance with the invention that the angle ß1 between the bath level BS and the main level HB of the side wall 7 is always less than 180 °, until the flowing into the mold 5 melt S against the ground 6 of the mold abuts.
  • This adjustment ensures that the melt S runs at an acute angle flat against the wall surfaces 24 of the reference side wall (side wall 7).
  • a smooth, layered filling of the mold 5 is achieved, which forms optimal conditions for the formation of a uniform structure in the finished casting. Foaming on the melt is prevented as much as possible.
  • the resulting casting is largely free of inclusions or other damaged areas. Soiling and Oxides which could cause such inclusions accumulate in an upper layer of the feed volume SV formed in the recess 12 of residual melt S, whereas in the tundish 15 at best small remnants remain, which can be easily removed.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)

Claims (14)

  1. Procédé d'obtention, par une technique de coulée, de pièces à couler à partir de métal en fusion, en utilisant
    - un moule (5) logé dans une machine de coulée (G), en une position autorisant sa rotation autour d'un axe de rotation horizontal (HS) lequel moule délimite une cavité de moule (10) donnant forme à chaque pièce à couler, et
    - un couvercle (9), délimitant sur l'une de ses faces la cavité de moule (10) lequel est pourvu d'au moins un orifice de remplissage (13) pour l'introduction du métal en fusion (S) dans la cavité de moule (10),
    - une paroi latérale de référence (7), jointe bout à bout au couvercle (9), qui, par des parois latérales (24), délimite sur l'une de ses faces, la cavité de moule (10), dans laquelle s'étend, parallèlement à l'axe de rotation (HS), un plan principal (HE), disposé face à la paroi latérale de référence (7), de telle sorte que son orientation se rapproche du centre des orientations (VW) des parois (24), qui s'étendent aussi, chacune, dans une direction parallèle à l'axe de rotation (HS),
    - qui présente un fond (6) dont les faces inférieures aménagées dans la cavité de moule (10) forment l'arête du fond de la pièce à couler,
    et
    - un panier de coulée (15), ouvert au moins par moment sur sa face d'alimentation pour laisser couler le métal en fusion dans le panier de coulée (15) et sur une face d'évacuation, jointe bout à bout à la face d'alimentation ainsi qu'au fond du panier de coulée (15), à travers lequel le métal en fusion, dont le panier de coulée (15) est rempli, s'écoule pendant les opérations de coulée hors du panier de coulée (15) dans le moule (5),
    étant entendu que le panier de coulée (15) est agencé sur le moule (5) de telle sorte que sa face d'évacuation (16) est en appui contre le couvercle (9) du moule (5) et que le fond (18) du panier de coulée (15) est associé à la paroi latérale de référence (7), auquel cas l'orifice de coulée (13) du moule (5) et l'incision ouverte dans la face d'évacuation (16) sont, à tout le moins, en chevauchement,
    caractérisé par les étapes de travail suivantes :
    - pivotement du moule (5) dans une position de coulée dans laquelle le plan principal (HE) de la paroi latérale de référence (7) forme, avec le niveau du bain (BS) d'une portion de métal en fusion (S) à introduire dans le panier de coulée (15), un angle ß1 inférieur à 180°, et le niveau du bain (BS) de la partie de métal en fusion (S) à introduire dans le panier de coulée (15) se situe en dessous de l'orifice de remplissage (13) du moule (5) ;
    - remplissage du panier de coulée (15) se trouvant en position de coulée avec une portion de métal en fusion (S) suffisante pour remplir le moule (5) ;
    et
    - rotation du moule (5), avec le panier de coulée (15) lui faisant face, autour de l'axe de rotation (HS) en une position de pivotement dans laquelle, du fait du mouvement de pivotement, le métal en fusion (S) s'écoule du panier de coulée (15) dans le moule (5), étant entendu que le mouvement de pivotement se poursuivra jusqu'à une position finale, dans laquelle le moule (5) est rempli de métal en fusion (S), et étant entendu que l'angle ß1, formé, dans chaque cas, entre le plan principal (HE) de la paroi latérale de référence (7) et le niveau du bain (BS) de chaque portion de métal en fusion (S) contenu dans le panier de coulée (15), reste inférieur à 180° jusqu'à ce que la matière en fusion s'écoulant dans le moule (5) atteigne le fond (6) du moule (5).
  2. Procédé selon la revendication 1, caractérisé en ce que le fond (18) du panier de coulée (15) est plat sur sa face tournée vers le métal en fusion (S).
  3. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un plan constitué par le fond du panier de coulée (15) sur la face intérieure du panier de coulée (15) forme un angle droit avec le fond (6) du moule (5).
  4. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la face d'évacuation (16) du panier de coulée (15) tournée vers le moule (5) est ouverte.
  5. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'orifice de remplissage (13) du moule (5) s'étend sur la face du couvercle (9) du moule (5) tournée vers le panier de coulée (15).
  6. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce qu'une cavité (12) est formée dans le couvercle (9) du moule (5) qui, lorsque le moule (5) a terminé son mouvement de rotation, recueille un volume en fusion servant de masselotte (SV).
  7. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, sur la face tournée vers le métal en fusion (S) d'une des parois fermées (21) du panier de coulée (15), est formée une surface de butée relevée (23), partant du fond (18) et se dirigeant vers le bord libre supérieur de cette paroi (21), contre laquelle est dirigé le métal en fusion lors de la coulée du métal en fusion dans le panier de coulée (15).
  8. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'angle ß1 est de 120 - 160° lorsque le moule (5) se trouve en position de recevoir la coulée.
  9. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que deux ou plusieurs points d'injection (13) débouchent dans le couvercle (9), servant d'orifices de coulée, par lesquels la matière en fusion, lors du mouvement de pivotement en position finale, s'écoule dans la cavité de moule (10) du moule (5).
  10. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que, lors du mouvement de pivotement en position finale, le métal en fusion (S) se dirige directement contre le couvercle (9) du moule (5) et afflue dans chaque orifice de coulée (13) situé à cet emplacement.
  11. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'angle de pivotement parcouru par le moule (5) et le panier de coulée (15) y étant agencé, depuis la position de coulée jusqu'à la position finale, est de 110 - 160°.
  12. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que l'axe de pivotement (HS) traverse le moule (5) ou est proche du fond (6) de celui-ci
  13. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que le métal en fusion (S) est un métal en fusion léger.
  14. Procédé selon l'une quelconque des revendications précédentes, caractérisé en ce que la pièce à couler est une culasse ou un carter de moteur pour un moteur à combustion interne.
EP14809617.5A 2013-12-03 2014-12-02 Procédé de génération, par une technique de coulée, de pièces à partir de métal en fusion Active EP3077138B1 (fr)

Applications Claiming Priority (3)

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DE102013113414 2013-12-03
DE102014102724.8A DE102014102724A1 (de) 2013-12-03 2014-02-28 Verfahren zum gießtechnischen Erzeugen von Gussteilen aus einer Metallschmelze
PCT/EP2014/076292 WO2015082489A1 (fr) 2013-12-03 2014-12-02 Procédé de génération, par une technique de coulée, de pièces à partir de métal en fusion

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EP3077138B1 true EP3077138B1 (fr) 2017-06-07

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US (1) US9545666B2 (fr)
EP (1) EP3077138B1 (fr)
CN (1) CN105960297B (fr)
DE (1) DE102014102724A1 (fr)
ES (1) ES2634203T3 (fr)
HU (1) HUE036276T2 (fr)
WO (1) WO2015082489A1 (fr)

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ES2633026T3 (es) 2015-01-21 2017-09-18 Nemak, S.A.B. De C.V. Procedimiento para la fabricación de piezas fundidas de forma compleja y pieza fundida que se compone de una aleación de AlCu
DE202016100133U1 (de) * 2016-01-13 2017-04-19 Kurtz Gmbh Vorrichtung zum Gießen
DE102017100805A1 (de) * 2017-01-17 2018-07-19 Nemak, S.A.B. De C.V. Gießform zum Gießen von komplex geformten Gussteilen und Verwendung einer solchen Gießform
DE102017106775A1 (de) * 2017-03-29 2018-10-04 Nemak, S.A.B. De C.V. Gießkern und Verfahren zu seiner Herstellung
DE102018111400A1 (de) * 2017-05-24 2018-11-29 Ksm Castings Group Gmbh Verfahren zum Kippgießen und Kippgießvorrichtung
WO2019129323A1 (fr) * 2017-12-28 2019-07-04 Ksm Castings Group Gmbh Machine de coulée basculante
CN110102747B (zh) * 2019-06-06 2024-05-07 汕头华兴冶金设备股份有限公司 粒化浇铸机
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CN114289695A (zh) * 2021-12-21 2022-04-08 中车长江铜陵车辆有限公司 一种地铁转向架轴箱体铸造工艺
CN114433826B (zh) * 2022-01-25 2023-04-21 衡阳市精峰机械有限公司 铸件浇注装置及浇注成型工艺
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Publication number Publication date
WO2015082489A1 (fr) 2015-06-11
US9545666B2 (en) 2017-01-17
ES2634203T3 (es) 2017-09-27
HUE036276T2 (hu) 2018-06-28
US20160303647A1 (en) 2016-10-20
CN105960297A (zh) 2016-09-21
DE102014102724A1 (de) 2015-06-03
EP3077138A1 (fr) 2016-10-12
CN105960297B (zh) 2017-12-26

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