WO2010058003A1 - VERFAHREN UND VORRICHTUNG ZUM GIEßEN EINES GUSSTEILS AUS EINER METALLSCHMELZE - Google Patents

VERFAHREN UND VORRICHTUNG ZUM GIEßEN EINES GUSSTEILS AUS EINER METALLSCHMELZE Download PDF

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Publication number
WO2010058003A1
WO2010058003A1 PCT/EP2009/065627 EP2009065627W WO2010058003A1 WO 2010058003 A1 WO2010058003 A1 WO 2010058003A1 EP 2009065627 W EP2009065627 W EP 2009065627W WO 2010058003 A1 WO2010058003 A1 WO 2010058003A1
Authority
WO
WIPO (PCT)
Prior art keywords
mold
casting
molten metal
filling
melt
Prior art date
Application number
PCT/EP2009/065627
Other languages
German (de)
English (en)
French (fr)
Inventor
Herbert Smetan
Klaus Lellig
Original Assignee
Nemak Dillingen 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 Nemak Dillingen Gmbh filed Critical Nemak Dillingen Gmbh
Priority to KR1020117014549A priority Critical patent/KR101247361B1/ko
Priority to PL09759721T priority patent/PL2352608T3/pl
Priority to US13/129,707 priority patent/US8302659B2/en
Priority to EP09759721.5A priority patent/EP2352608B1/de
Priority to CN2009801470942A priority patent/CN102223969B/zh
Priority to RU2011125939/02A priority patent/RU2480309C2/ru
Priority to CA2742889A priority patent/CA2742889C/en
Priority to MX2011005066A priority patent/MX340704B/es
Priority to JP2011536886A priority patent/JP5481488B2/ja
Priority to UAA201105956A priority patent/UA101526C2/ru
Priority to ES09759721T priority patent/ES2436315T3/es
Priority to BRPI0921178-0A priority patent/BRPI0921178B1/pt
Publication of WO2010058003A1 publication Critical patent/WO2010058003A1/de

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00Casting processes not provided for in groups B22D1/00 - B22D21/00
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D23/00Casting processes not provided for in groups B22D1/00 - B22D21/00
    • B22D23/006Casting by filling the mould through rotation of the mould together with a molten metal holding recipient, about a common axis
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D27/00Treating the metal in the mould while it is molten or ductile ; Pressure or vacuum casting
    • B22D27/08Shaking, vibrating, or turning of moulds

Definitions

  • the invention relates to a method for casting a casting from a molten metal and to a device suitable for carrying out such a method.
  • the molten metal processed according to the invention is in particular a light metal melt, preferably a melt based on aluminum or an aluminum alloy.
  • the properties of a casting are strongly influenced by the course of the solidification of the melt in the casting mold and the make-up required to compensate for the volume shrinkage.
  • a particularly uniform distribution of properties shows when the Formfullung is carried out with melt in a continuous process while avoiding larger Schmelzenstromungen in the mold and the solidification then evenly distributed, on the opposite side of the feeder of the mold, uses.
  • High-quality castings of high quality can be produced by so-called "rotational molding".
  • a design of this casting method which has been preserved in practice for the production of high-quality cast parts has been proposed in DE 100 19 309 A1. Accordingly, a molten metal containing Melting container docked with its upwardly directed opening to a downwardly pointing filling opening of a mold. Subsequently, the mold is rotated together with the firmly attached to it Schmelzenbehalter by approximately 180 °. In the course of the rotation, the melt passes from the Schmelzenbehalter in the mold. When the end position of the rotation is reached, the melt container is removed from the mold. The hot residual melt in the feeder area, which is now located at the top, can then continue to be effective under the action of gravity and can effectively compensate for the volume loss associated with the solidification of the melt.
  • the object of the invention was to provide a method and a device with which can be produced with high reliability in a particularly economical way high-quality, complex-shaped castings.
  • a casting mold mounted in a bogie is first provided for casting a casting from a molten metal (step a).
  • This mold comprises a mold cavity forming the casting, a feeder system for feeding the mold cavity with molten metal, and a runner via which the feeder system is infillible with molten metal.
  • the feeder system with respect to the mold cavity of the mold is arranged such that when filled into a full cast mold, the filling of the mold cavity with the molten metal via the feeder system is against the direction of gravity.
  • the mold thus provided Prior to filling, the mold thus provided is oriented to a full position in which molten metal filled in the runner flows through the runner as a result of gravity, the main flow direction of the molten metal forming an angle with the direction of gravity (step b).
  • the "main flow direction" of the molten metal means the direction of flow in which the melt had to flow independently of the respective actual course of the sprue, in order to move directly from the infill opening to the mouth of the sprue into the feeder system reach. It is understood that the orientation of the mold in accordance with the invention predetermined full position can be made in each case in a separate operation, but that it is just as possible to already align the mold in the course of their provision that it meets the requirements of the inventive approach.
  • the mold aligned in full position is then filled with the molten metal until the casting mold including the runner is completely filled with molten metal (step c).
  • step d As soon as the casting mold is sufficiently filled, it is tightly closed by a stopper placed in the infill opening of the sprue channel (step d). Then, the mold is rotated to a solidification position in which, as a result of the action of gravity, the melt present in the feeder system prints on the melt present in the mold cavity (step e). In this position, the mold is held until the present in the mold molten metal has reached a certain solidification state (step f). Subsequently, the casting is removed from the mold (step g).
  • the molten metal flows as a result of correspondingly lower impact on the flow velocity gravitational force significantly slower through the runner, as would be the case if the main direction of flow of the melt and the direction of gravity were the same. Accordingly quietly runs in the inventive approach, the mold from the beginning of the filling process with molten metal full.
  • the casting mold By the casting mold is rotated after reaching a certain level of the molten metal during its further filling so that the main direction of flow of flowing through the runner metal melt is increasingly approaching the direction of gravity, let the gravity effect in the further course of the Befullvorgangs fully exploit.
  • the amount of melt already present in the feeder system or in the sprue channel in this case brakes the melt newly flowing into the casting mold so that, even with a sprue channel swiveled increasingly in the direction of the gravity effect, a largely steady, uniform filling of the mold is ensured.
  • a practical embodiment of the invention provides that the rotation performed during the filling process is ended when the main flow direction of the molten metal flowing through the sprue channel coincides with the effective direction of gravity.
  • castings can be produced with the inventive method in a particularly economical manner with respect to the known casting process significantly reduced rejection rate, which meet even the strictest quality requirements.
  • an apparatus according to the invention for casting cast parts from a molten metal has a holder for holding a casting mold, a rotary drive for rotating the casting mold about an axis of rotation and a filling device for filling molten metal into an infill opening of the casting mold, wherein in such a device according to the invention a tracking device is provided which nachbucht the Full Road during Ein cattles the molten metal caused by a rotational movement of the mold layer change of the filling of the mold.
  • a conventional G tellloffel be used, which by means of a suitable Tracking device in one of the respective full position of the infill of the mold brought corresponding position and, if necessary, the associated with a rotation of the mold Lüa precise the Einfullo réelle is nachgebowt.
  • the method according to the invention and a device according to the invention for producing engine blocks for internal combustion engines are particularly suitable.
  • a typical example of such mold sections are so-called “cylinder liners” or “cylinder beehives” which are cast in a light metal engine block in order to ensure sufficient wear resistance in the region of the cylinder openings of the engine block.
  • These usually made of a steel material liners or bushings have a significantly higher thermal conductivity than the sand from which the casting cores or mold parts of the mold typically exist.
  • the position of the axis of rotation about which the mold is rotated during the implementation of the method according to the invention is irrelevant, as long as it is ensured that the rotation results in a positioning of the casting mold and its sprue, in which the main direction of flow of the molten metal filled into the casting mold is aligned in the manner according to the invention.
  • a particularly simple and practical embodiment of a device according to the invention used to carry out the method according to the invention results when the axis of rotation of the casting mold is oriented horizontally.
  • Mold is arranged, the opposite in the solidification state to a feeder system limiting
  • FIGS. 1 to 10 each schematically show ten operating positions of a device 1 shown in a sectional view taken normal to its longitudinal axis for casting a casting G.
  • the casting G is an engine block for a four-cylinder internal combustion engine. Cast aluminum, an aluminum casting melt is used in the presently described exemplary embodiment.
  • the device 1 comprises a circular cross-section shown in the figures, mounted on two rollers 2,3 and rotationally driven by a drive, not shown, cylindrical casting cell Z, in which a flat mounting base 4 and a parallel and spaced apart to the mounting base 4 Fuhrungsplatte 5 are attached.
  • a base plate 6 On the Fuhrungsplatte 5 associated top of the mounting base 4 is a base plate 6. This is part of the composite of several moldings and mold cores mold F.
  • the base plate 5 has laterally recordings, in each of which sits a sash 7.8 with a correspondingly shaped paragraph , so that the sash 7,8 sit form-fitting manner on the base plate 6. From in the mold G typically existing front slides are here for reasons of clarity, only the scope of G intelligentzelle Z associated, arranged on the opposite sides of the base plate 5 slide 7,8 shown.
  • pressure plate 9 is mounted so that it can be adjusted in the direction of the mounting base 4 to hold after completion of the assembly work the mold F, and of the mounting base. 4 can be moved away to dismantle the mold F and to demold the finished casting G after completion of the casting process.
  • a feeder core S is finally placed, which includes a feeder system with a circumferential large-volume feeder channel 10, the when fully assembled feeder core S above the sash 7,8 runs.
  • the feeder core S delimits an opening 11, via which the cylinder openings B respectively enclosed cylinder openings are accessible.
  • the feeder channel 10 is connected via various gates 12 with the mold cavity H of the mold F.
  • the pressure plate 9 is lowered onto the mold F thus provided to secure the mounting position of the form-fitting interlocking parts and cores of the mold F.
  • the casting cell Z is held with its held mold F by 180 ° about a coincident with the longitudinal axis of the mold F, horizontally oriented rotation axis X until the base plate 5 in the direction of action WK gravity seen above and the feeder core S is down. Accordingly, the Filling opening 14 of the sprue 13 on the now upper side of the mounting base 4th
  • a heating finger of a heating device 16 for inductive heating is in each case driven into the cylinder liners B in order to heat them to a prescribed temperature (FIGS. 3, 4).
  • the casting cell Z is again rotated counterclockwise about an angle of approximately 45 ° about the axis of rotation X. Accordingly, in this "filling position", the rectilinear sprue 14 is also inclined at an angle of approximately 45 ° to the direction of action WK.
  • the metal melt M to be cast is poured into the filling opening 14 of the sprue channel 13 by means of a casting device 17 designed as a ladle. Due to the inclination of the casting mold F, the melt M flows through the sprue channel 13 comparatively slowly and enters the feeder channel 10 of the feeder core S with correspondingly low kinetic energy. Their main direction of flow SR is aligned equal to the runner 13, so that the main flow direction SR of the flowing through the sprue 13 melt M is aligned at an angle of approximately 45 ° to the effective direction WK of gravity.
  • the casting cell Z is slowly rotated in the clockwise direction, until the runner 13 from its Einfullo réelle 14 to the junction 15 in the feeder channel 10 has vertically downwards.
  • the filling of the mold F with molten metal M is continuously continued during the rotation.
  • the casting device 17 is nachgevigt by means of a tracking device T, which may be, for example, an actuator or a crane on which the casting device depends in each case, associated with the rotation of the casting cell Z Lüa substantial the Einfullo réelle 14.
  • a tracking device T which may be, for example, an actuator or a crane on which the casting device depends in each case, associated with the rotation of the casting cell Z Lüa precise the Einfullo réelle 14.
  • the main flow direction SR of the melt M coincides with the direction of action WK of gravity, so that the filling of the remaining sections of the mold cavity of the casting mold F proceeds with optimum utilization of gravity (FIGS. 7, 8).
  • the casting cell Z is again rotated until the initial state (Fig. 2) is reached, in which the feeder core S seen in the direction of action WK the direction of gravity above and the base plate 5 are arranged below.
  • the plug 18 while holding the mold F continues closed, so that leakage of melt M from the mold F is reliably prevented.
  • the casting mold F is thus constructed such that the feeder S of the casting mold F to be filled is arranged at least to a large extent below the mold cavity H of the casting mold F, so that the mold cavity H of the casting mold F initially filled against gravity becomes.
  • the entire casting mold F is already tilted during the filling process to the gate in order to reduce the speed of the molten metal M in the first filling and to achieve a uniform filling of the sprue 13 and the feeder S.
  • For filling serves as a casting sliver formed pouring device 18, which, as shown, during the casting process with the rotation of the mold F can be mitgeschreibt.
  • the sprue 13 extending upwards from the feeder S is closed and generates metallostatic pressure on the melt M present in the feeder S and the mold cavity, which prevents the melt M from backing back.
  • the molten metal M present in the feeder S causes the maintenance of the Metallostatic pressure of the molten metal M in the mold cavity. Casting defects, such as bubbles and cold runs, are thus excluded.
PCT/EP2009/065627 2008-11-24 2009-11-23 VERFAHREN UND VORRICHTUNG ZUM GIEßEN EINES GUSSTEILS AUS EINER METALLSCHMELZE WO2010058003A1 (de)

Priority Applications (12)

Application Number Priority Date Filing Date Title
KR1020117014549A KR101247361B1 (ko) 2008-11-24 2009-11-23 금속 용융물로부터 주조 부품을 주조하는 방법 및 장치
PL09759721T PL2352608T3 (pl) 2008-11-24 2009-11-23 Sposób odlewania odlewu ze stopionego metalu
US13/129,707 US8302659B2 (en) 2008-11-24 2009-11-23 Method and device for casting a cast part from a metal melt
EP09759721.5A EP2352608B1 (de) 2008-11-24 2009-11-23 VERFAHREN ZUM GIEßEN EINES GUSSTEILS AUS EINER METALLSCHMELZE
CN2009801470942A CN102223969B (zh) 2008-11-24 2009-11-23 以金属熔体浇铸成铸件的方法及装置
RU2011125939/02A RU2480309C2 (ru) 2008-11-24 2009-11-23 Способ литья отливки из расплавленного металла
CA2742889A CA2742889C (en) 2008-11-24 2009-11-23 Method and device for casting a cast part from a metal melt
MX2011005066A MX340704B (es) 2008-11-24 2009-11-23 Procedimiento y dispositivo para colar una pieza colada a partir de un fundido metalico.
JP2011536886A JP5481488B2 (ja) 2008-11-24 2009-11-23 金属溶融体から鋳造部品を鋳造する方法および装置
UAA201105956A UA101526C2 (ru) 2008-11-24 2009-11-23 Способ литья детали из расплава металла
ES09759721T ES2436315T3 (es) 2008-11-24 2009-11-23 Procedimiento para colar una pieza colada a partir de una masa fundida de metal
BRPI0921178-0A BRPI0921178B1 (pt) 2008-11-24 2009-11-23 Método para fundir uma peça a partir de um banho metálico

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102008058742.7 2008-11-24
DE102008058742 2008-11-24

Publications (1)

Publication Number Publication Date
WO2010058003A1 true WO2010058003A1 (de) 2010-05-27

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ID=41463184

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2009/065627 WO2010058003A1 (de) 2008-11-24 2009-11-23 VERFAHREN UND VORRICHTUNG ZUM GIEßEN EINES GUSSTEILS AUS EINER METALLSCHMELZE

Country Status (13)

Country Link
US (1) US8302659B2 (zh)
EP (1) EP2352608B1 (zh)
JP (1) JP5481488B2 (zh)
KR (1) KR101247361B1 (zh)
CN (1) CN102223969B (zh)
BR (1) BRPI0921178B1 (zh)
CA (1) CA2742889C (zh)
ES (1) ES2436315T3 (zh)
MX (1) MX340704B (zh)
PL (1) PL2352608T3 (zh)
RU (1) RU2480309C2 (zh)
UA (1) UA101526C2 (zh)
WO (1) WO2010058003A1 (zh)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011151007A1 (de) * 2010-06-01 2011-12-08 Volkswagen Aktiengesellschaft Verfahren zum kippgiessen von bauteilen und kippgiessvorrichtung
WO2013017371A1 (de) * 2011-08-02 2013-02-07 Ks Aluminium-Technologie Gmbh VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINES LEICHTMETALLBAUTEILS DURCH KIPPGIEßEN
DE102012000354A1 (de) * 2012-01-11 2013-07-11 Udo Tartler Vorrichtung für eine Angussöffnung einer Gussform
WO2014190366A1 (de) 2013-05-27 2014-12-04 Fill Gesellschaft M.B.H. Verfahren und vorrichtung zum giessen eines gussteils
DE202016100133U1 (de) 2016-01-13 2017-04-19 Kurtz Gmbh Vorrichtung zum Gießen
US9925586B2 (en) 2014-01-03 2018-03-27 Fill Gesellschaft M.B.H. Method for casting a cast part

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DE102006058145A1 (de) * 2006-12-09 2008-06-12 Ksm Castings Gmbh Verfahren zum Verarbeiten, insbesondere Gießen, eines Materials, Gießform zur Durchführung des Verfahrens und nach dem Verfahren bzw. in der Gießform hergestellte Gegenstände
DE102012207090A1 (de) * 2012-04-27 2013-10-31 Federal-Mogul Nürnberg GmbH Gießverfahren und -werkzeug
CN103722158B (zh) * 2012-10-11 2015-10-28 九牧厨卫股份有限公司 一种金属浇注装置及浇注方法
CN104969065A (zh) * 2013-02-07 2015-10-07 皇家飞利浦有限公司 核苷酸序列的处理
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
US11007569B2 (en) * 2017-05-24 2021-05-18 Ksm Castings Group Gmbh Method for tilt casting and tilt casting device
CN110125344A (zh) * 2019-06-12 2019-08-16 陕西三毅有岩材料科技有限公司 一种铸造难熔金属的方法及难熔金属锭
CN113680997B (zh) * 2021-08-30 2023-05-23 苏州龙云电气科技有限公司 一种新能源汽车电机壳的铸造设备
CN114226697A (zh) * 2021-12-21 2022-03-25 含山县天宇机械铸造厂 一种防气孔机械铸造产品加工方法

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US5704413A (en) * 1993-11-30 1998-01-06 Honda Giken Kogyo Kabushiki Kaisha Rotary-mold gravity casting process
JPH11291022A (ja) * 1998-04-15 1999-10-26 Sintokogio Ltd 傾動注湯方法及びその装置
DE10019309A1 (de) 2000-04-19 2001-10-31 Vaw Mandl & Berger Gmbh Linz Verfahren und Vorrichtung zum Rotationsgießen
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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011151007A1 (de) * 2010-06-01 2011-12-08 Volkswagen Aktiengesellschaft Verfahren zum kippgiessen von bauteilen und kippgiessvorrichtung
CN103038002A (zh) * 2010-06-01 2013-04-10 大众汽车有限公司 用于倾斜浇铸零件的方法和倾斜浇铸装置
WO2013017371A1 (de) * 2011-08-02 2013-02-07 Ks Aluminium-Technologie Gmbh VERFAHREN UND VORRICHTUNG ZUR HERSTELLUNG EINES LEICHTMETALLBAUTEILS DURCH KIPPGIEßEN
DE102012000354A1 (de) * 2012-01-11 2013-07-11 Udo Tartler Vorrichtung für eine Angussöffnung einer Gussform
WO2014190366A1 (de) 2013-05-27 2014-12-04 Fill Gesellschaft M.B.H. Verfahren und vorrichtung zum giessen eines gussteils
DE212014000131U1 (de) 2013-05-27 2016-01-13 Fill Gesellschaft M.B.H. Vorrichtung zum Gießen eines Gussteils
US9895743B2 (en) 2013-05-27 2018-02-20 Fill Gesellschaft M.B.H. Method and device for casting a cast part
EP3003604B1 (de) 2013-05-27 2018-10-03 Nemak, S.A.B. de C.V. Verfahren und vorrichtung zum giessen eines gussteils
US9925586B2 (en) 2014-01-03 2018-03-27 Fill Gesellschaft M.B.H. Method for casting a cast part
DE202016100133U1 (de) 2016-01-13 2017-04-19 Kurtz Gmbh Vorrichtung zum Gießen
DE102016111315A1 (de) 2016-01-13 2017-07-13 Kurtz Gmbh Vorrichtung zum Gießen
US11602786B2 (en) 2016-01-13 2023-03-14 Kurtz Gmbh Apparatus for casting

Also Published As

Publication number Publication date
PL2352608T3 (pl) 2014-03-31
US20120012272A1 (en) 2012-01-19
CA2742889C (en) 2013-10-22
KR20110099114A (ko) 2011-09-06
ES2436315T3 (es) 2013-12-30
RU2011125939A (ru) 2012-12-27
CN102223969B (zh) 2013-09-18
BRPI0921178A2 (pt) 2018-10-16
MX340704B (es) 2016-07-22
EP2352608B1 (de) 2013-09-11
KR101247361B1 (ko) 2013-03-26
CN102223969A (zh) 2011-10-19
BRPI0921178B1 (pt) 2019-06-18
JP2012509767A (ja) 2012-04-26
US8302659B2 (en) 2012-11-06
UA101526C2 (ru) 2013-04-10
RU2480309C2 (ru) 2013-04-27
JP5481488B2 (ja) 2014-04-23
CA2742889A1 (en) 2010-05-27
MX2011005066A (es) 2011-06-20
EP2352608A1 (de) 2011-08-10

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