EP1742752B1 - Procede de coulage de composants en alliage leger selon le principe de coulage par inclinaison - Google Patents

Procede de coulage de composants en alliage leger selon le principe de coulage par inclinaison Download PDF

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Publication number
EP1742752B1
EP1742752B1 EP05736259A EP05736259A EP1742752B1 EP 1742752 B1 EP1742752 B1 EP 1742752B1 EP 05736259 A EP05736259 A EP 05736259A EP 05736259 A EP05736259 A EP 05736259A EP 1742752 B1 EP1742752 B1 EP 1742752B1
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EP
European Patent Office
Prior art keywords
melt
runner
casting
transverse
mold
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
EP05736259A
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German (de)
English (en)
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EP1742752A1 (fr
Inventor
Ernst Krebs
Olaf Petzoldt
Franz Mnich
Hans-Christoph Saewert
Rüdiger BÄHR
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.)
Rautenbach-Guss Wernigerode GmbH
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Rautenbach-Guss Wernigerode GmbH
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Publication date
Application filed by Rautenbach-Guss Wernigerode GmbH filed Critical Rautenbach-Guss Wernigerode GmbH
Priority to PL05736259T priority Critical patent/PL1742752T3/pl
Publication of EP1742752A1 publication Critical patent/EP1742752A1/fr
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Publication of EP1742752B1 publication Critical patent/EP1742752B1/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
    • 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
    • B22D35/00—Equipment for conveying molten metal into beds or moulds
    • B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners

Definitions

  • the invention relates to a method for casting of components made of light metal, preferably of Al alloys, according to the Kippg discernroz.
  • a preferred field of application of the invention is the casting of aluminum cylinder heads and engine blocks.
  • tilt casting is a well-known method.
  • Kippgie As a particular advantage of Kippgie calls is found in the literature that the case of gravity casting possibly occurring splashing of the metal by passing the molten metal can be avoided on a wall of the mold ( P Schneider, molds for light metal casting, Foundry-Verlag 1986, p.100 ff ).
  • the mold is arranged in this solution with downwardly facing gate over a casting container and gas-tight after filling the casting container with a set for a casting amount melt that the melt flows during rotation of the mold and casting container by 180 ° in the mold cavity.
  • the gate runs along the longitudinal axis of the casting mold in order to ensure that the inflow of the melt takes place over the largest possible cross-section of the gate in the ratio of the cross-section of the die cavity.
  • the implementation of this method requires a high technical complexity, without, as has been shown in practice, the desired objectives, in particular the avoidance of voids and porosities in complicated castings, such as cylinder heads, be achieved completely.
  • the high technical complexity relates firstly to the rotatable by 180 ° casting device with a separate, airtight to be connected to the mold tundish and on the other hand, the mold in which inevitable in complex castings unavoidable cores must be installed so tightly that they even with a rotation of the mold remain fixed in position stable by 180 °.
  • the object of the present invention is the development of a method for casting complicated, high-quality components made of light metal, preferably of Al alloys, with which the disadvantages of the prior art are overcome.
  • a casting mold with upwardly pointing sprue, on the longitudinal side of which a cross run connected to the sprue through outlets is arranged is tilted at 45 ° to 70 ° about its longitudinal axis.
  • the cross-section is dimensioned with respect to its volume and with respect to the arrangement of the outlets to the mold cavity designed so that at 45 ° to 70 ° about its longitudinal axis tilted mold with cross-flow in a second process step ca.1 / 5 of the melt required for the casting in the cross-flow can be filled without the melt already flowing into the mold cavity of the mold.
  • the casting mold is tilted back into the cross-section up to the vertical, with continuous further filling of melt, the melt flowing in via the outlets into the mold cavity.
  • the outlets of the cross-flow to the mold cavity should be arranged and designed so that the melt, as usual in Kippgie H, flows along a side wall of the mold into the mold cavity.
  • the casting method according to the invention is characterized in that the melt, during and after filling in the transverse run, first loses in cross-section a part of its filling-in kinetic energy and calms down before it flows into the mold cavity.
  • melt jet impinges on a tilted by an angle of 5 ° to 15 ° outwards, approximately perpendicular to the tilting axis of the casting mold and transverse wall and flows directly or after one or more deflections in the longitudinal direction of the cross-flow, the contours of the should be well rounded the melt flow conductive wall portion of the cross run.
  • a further improvement of the invention can be achieved in that the melt is not filled directly into the cross-flow, but in a pouring basin preferably arranged on an end face of the cross-flow.
  • unavoidable turbulences can be calmed already in the pouring basin when filling the melt, so that the melt with no or with only slight turbulence in the cross-section flows.
  • a significant portion of the molten metal's melt kinetic energy can in this case already be decomposed in the pouring basin.
  • FIG. 1 shows schematically a casting mold 1 for a cylinder head with laterally arranged transverse run 2.
  • a pouring basin 3 is arranged at the rear end face of the cross-section 2.
  • the rear end face 4 of the pouring basin 3 is inclined outwards at an angle of 10 ° with respect to the vertical.
  • the interior of the transverse run 2 is connected by four outlets 5 with the mold cavity of the mold 1.
  • a spatially movable pouring spoon 6 which can be tilted about a transverse axis is positioned so that the melt flowing out of the pouring spoon 6 impinges on the rear end face 4 of the pouring basin 3, as illustrated by the arrow 7, and in the longitudinal direction of pouring basins 3 and Querlauf2 flows into the Querlauf2.
  • FIGS. 2a to 2d illustrate the method according to the invention.
  • FIG. 2a initially shows the cross section of the casting mold 1 with laterally arranged transverse run 2 and the mold cavity 9.
  • the interior space of the transverse run 2 is connected to the mold cavity 9 through the outlets 5.
  • FIG. 2b shows the casting mold 1 tilted by about 50 ° about the longitudinal axis 8.
  • the melt required for the casting is continuously introduced into the pouring basin 3 by means of the pourable ball 6, which is controllable in its movement, in such a way that the melt jet 7 is applied to the casting 10 ° relative to the vertical outwardly inclined rear end wall 4 of the Eing devistümpels 3 occurs and largely free of vortex in the longitudinal direction of the cross-flow 2 flows into this.
  • the interior of the transverse run 2 is initially filled continuously without melt flowing into the mold cavity 10.
  • FIG. 2b illustrates this method step. Reached the melt level in the interior of the cross-section 2, the outlets 5 (ca.1 / 5 of the for the Cast required melt are then in the interior of the cross run 2), the melt begins to flow through the spouts 5 along the mold side wall into the mold cavity.
  • the casting mold 1 is now tilted back continuously, wherein continuously more melt from the ladle 6 is filled into the Eing electtümpel 3 and thus the Querlauf2, calms in Eing electtümpel 3 and Querlauf2 and flows along the side wall in the mold cavity 9 and fills it, as Figure 2c shows.
  • the filling of the melt and the tilting back of the mold 1 are coordinated so that the mold 1 is completely tilted back when a filling of the mold cavity 9 has taken place to the feeder attachment.
  • the feeders are filled up to the melt level shown in FIG. 2d.

Claims (6)

  1. Procédé de coulage de composants en alliage léger selon le principe du coulage par inclinaison, selon lequel
    la matière fondue est versée en chute directe dans un canal transversal situé le long du côté longitudinal d'un moule,
    caractérisé par le fait
    que le moule (1) est d'abord basculé d'un angle de 45° à 70° autour de son axe longitudinal (8), qu'ensuite commence l'introduction de la matière fondue dans le canal transversal (2) jusqu'à ce que le canal transversal (2) soit rempli à environ 1/5 de la matière fondue nécessaire pour le coulage sans que la matière fondue s'écoule déjà dans la cavité (9) du moule, et qu'ensuite, tandis que le canal transversal (2) continue d'être rempli par la matière fondue, le moule (1) est ramené de sa position basculée dans une position verticale de façon que la matière fondue s'écoule du canal transversal (2) dans la cavité (9) du moule le long d'une paroi du moule.
  2. Procédé selon la revendication 1,
    caractérisé par le fait
    que la matière fondue est versée dans un entonnoir de coulée (3) disposé sur le canal transversal (2) et s'écoule de celui-ci dans le canal transversal (2).
  3. Procédé selon la revendication 2,
    caractérisé par le fait
    que la matière fondue s'écoule de l'entonnoir de coulée (3) dans le canal transversal (2) en direction longitudinale de ce dernier.
  4. Procédé selon l'une des revendications précédentes,
    caractérisé par le fait
    que la matière fondue nécessaire pour le coulage est versée dans le canal transversal (2) ou l'entonnoir de coulée (3) au moyen d'un dispositif de remplissage (6) et que, lors du retour du moule (1) de la position basculée dans la position verticale, le dispositif de remplissage (6) suit le mouvement du canal transversal (2) ou de l'entonnoir de coulée (3) de façon que le jet (7) de matière fondue atteigne une zone prédéterminée de la paroi (4) du canal transversal (2) ou de l'entonnoir de coulée (3).
  5. Procédé selon l'une des revendications précédentes,
    caractérisé par le fait
    que lors de l'introduction de la matière fondue dans le canal transversal (2) ou l'entonnoir de coulée (3), le jet (7) de matière fondue atteint une paroi (4) située approximativement verticalement par rapport à l'axe de basculement (8) du moule (1) et du canal transversal (2).
  6. Procédé selon la revendication 5,
    caractérisé par le fait
    que l'axe de basculement (8) du moule (1) et du canal transversal (2) passe par la paroi (4) que le jet (7) de matière fondue atteint.
EP05736259A 2004-03-31 2005-03-30 Procede de coulage de composants en alliage leger selon le principe de coulage par inclinaison Active EP1742752B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL05736259T PL1742752T3 (pl) 2004-03-31 2005-03-30 Sposób odlewania części konstrukcyjnych z metalu lekkiego metodą przechylania kokili

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004015649A DE102004015649B3 (de) 2004-03-31 2004-03-31 Verfahren und Vorrichtung zum Giessen von Bauteilen aus Leichtmetall nach dem Kippgiessprinzip
PCT/DE2005/000554 WO2005095025A1 (fr) 2004-03-31 2005-03-30 Procede et dispositif de coulage de composants en alliage leger selon le principe de coulage par inclinaison

Publications (2)

Publication Number Publication Date
EP1742752A1 EP1742752A1 (fr) 2007-01-17
EP1742752B1 true EP1742752B1 (fr) 2007-10-17

Family

ID=34801973

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05736259A Active EP1742752B1 (fr) 2004-03-31 2005-03-30 Procede de coulage de composants en alliage leger selon le principe de coulage par inclinaison

Country Status (7)

Country Link
EP (1) EP1742752B1 (fr)
AT (1) ATE375835T1 (fr)
DE (2) DE102004015649B3 (fr)
ES (1) ES2296166T3 (fr)
PL (1) PL1742752T3 (fr)
PT (1) PT1742752E (fr)
WO (1) WO2005095025A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104525865A (zh) * 2014-11-29 2015-04-22 西安航空动力控制科技有限公司 重力倾转铸造浇口盆

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DE102006015735A1 (de) * 2006-04-04 2007-10-11 Stahlschmidt & Maiworm Technics Gmbh Verfahren zur Herstellung eines Lagerrahmens zur Lagerung einer Kurbelwelle und ein solcher Lagerrahmen
DE102006040944B4 (de) 2006-08-31 2018-09-06 Volkswagen Ag Vorrichtung zur Herstellung von metallischen Gussteilen
DE102006058142B4 (de) * 2006-12-09 2016-09-01 Volkswagen Ag Verfahren und Vorrichtung zum Kippgießen von Bauteilen aus Leichtmetall
DE102008015856A1 (de) 2008-03-27 2009-10-01 Volkswagen Ag Verfahren und Vorrichtung zum Gießen von Bauteilen aus Leichtmetall
DE102010023646A1 (de) 2009-07-03 2011-01-05 Ksm Castings Gmbh Vorrichtung, Gießrinne und Verfahren zum Kippgießen von Bauteilen aus Leichtmetall sowie damit gegossene Bauteile
DE102010022343B4 (de) 2010-06-01 2017-10-26 Volkswagen Ag Verfahren zum Kippgießen von Bauteilen und Kippgießvorrichtung
CN101954476A (zh) * 2010-08-31 2011-01-26 温州瑞明工业股份有限公司 铝合金缸盖的金属型模重力倾转铸造工艺
DE102011052366B4 (de) 2011-08-02 2020-06-18 Ks Huayu Alutech Gmbh Verfahren und Vorrichtung zur Herstellung eines Leichtmetallbauteils durch Kippgießen
AT514740B1 (de) * 2013-05-27 2020-12-15 Nemak Sab De Cv Verfahren und Vorrichtung zum Gießen eines Gussteils
DE102014102724A1 (de) * 2013-12-03 2015-06-03 Nemak Linz Gmbh Verfahren zum gießtechnischen Erzeugen von Gussteilen aus einer Metallschmelze
US9205491B2 (en) * 2014-01-21 2015-12-08 GM Global Technology Operations LLC Metal pouring method for the die casting process
KR101592774B1 (ko) 2014-10-17 2016-02-15 현대자동차주식회사 회전식 중력 주조용 용탕 주입 몰드 및 이를 이용한 주조방법
DE102014223777A1 (de) * 2014-11-21 2016-05-25 Schunk Kohlenstofftechnik Gmbh Verfahren zur Herstellung eines Verbundbauteils
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
DE102016220240A1 (de) 2015-10-15 2017-04-20 Volkswagen Aktiengesellschaft Rotationsgießverfahren
WO2018215020A1 (fr) 2017-05-24 2018-11-29 Ksm Castings Group Gmbh Procédé de coulée par basculement et dispositif de coulée par basculement
DE102017114944B3 (de) * 2017-07-05 2018-10-18 Ksm Castings Group Gmbh Anlage und Gießrinne zum Kippgießen von Bauteilen aus Leichtmetall
CN111069575A (zh) * 2019-11-21 2020-04-28 中国第一汽车股份有限公司 一种用倾转浇注工艺制备铝合金发动机缸盖的方法
CN110947937A (zh) * 2019-11-29 2020-04-03 中国第一汽车股份有限公司 铝合金缸盖的砂模组芯重力倾转铸造方法
CN112317731A (zh) * 2020-10-14 2021-02-05 石家庄金刚凯源动力科技有限公司 一种改进型具备自动控制功能的浇注机工作台

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Publication number Priority date Publication date Assignee Title
CN104525865A (zh) * 2014-11-29 2015-04-22 西安航空动力控制科技有限公司 重力倾转铸造浇口盆

Also Published As

Publication number Publication date
PL1742752T3 (pl) 2008-03-31
DE102004015649B3 (de) 2005-08-25
DE502005001740D1 (de) 2007-11-29
ES2296166T3 (es) 2008-04-16
EP1742752A1 (fr) 2007-01-17
WO2005095025A1 (fr) 2005-10-13
ATE375835T1 (de) 2007-11-15
PT1742752E (pt) 2008-01-17

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