EP1077098B1 - Procédé et dispositif de fabrication de préférence, de corps d'alliage monoblocs à partir d'un métal liquide - Google Patents

Procédé et dispositif de fabrication de préférence, de corps d'alliage monoblocs à partir d'un métal liquide Download PDF

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Publication number
EP1077098B1
EP1077098B1 EP99116270A EP99116270A EP1077098B1 EP 1077098 B1 EP1077098 B1 EP 1077098B1 EP 99116270 A EP99116270 A EP 99116270A EP 99116270 A EP99116270 A EP 99116270A EP 1077098 B1 EP1077098 B1 EP 1077098B1
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EP
European Patent Office
Prior art keywords
liquid metal
casting
bodies
speed
conveyor
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.)
Expired - Lifetime
Application number
EP99116270A
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German (de)
English (en)
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EP1077098A1 (fr
Inventor
D. C.O. Sug Schmelz-U. Giessanl.Gmbh Schmidt
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.)
SUG Schmelz- und Giessanlagen GmbH
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SUG Schmelz- und Giessanlagen 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 SUG Schmelz- und Giessanlagen GmbH filed Critical SUG Schmelz- und Giessanlagen GmbH
Priority to AT99116270T priority Critical patent/ATE260723T1/de
Priority to EP99116270A priority patent/EP1077098B1/fr
Priority to DK99116270T priority patent/DK1077098T3/da
Priority to ES99116270T priority patent/ES2217657T3/es
Priority to DE59908747T priority patent/DE59908747D1/de
Publication of EP1077098A1 publication Critical patent/EP1077098A1/fr
Application granted granted Critical
Publication of EP1077098B1 publication Critical patent/EP1077098B1/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
    • B22D3/00—Pig or like casting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D46/00—Controlling, supervising, not restricted to casting covered by a single main group, e.g. for safety reasons

Definitions

  • JP-A-032608842 has become known.
  • a process for the production of preferably is known one-piece alloy bodies from WO 95/13153 A1.
  • liquid metal comes in from a casting trough Mold molds moved below the pouring trough.
  • peg size is only the speed of the conveyor belt checked. Like this in happenss to individuals, but remains open.
  • the finally interesting FR-A-1 499 513 deals also with a manufacturing process for Alloy body. In this case, too, there is no information that like these alloy bodies in terms of size and / or weight can be changed.
  • alloys or Alloy body made of liquid metal are numerous manufacturing processes for alloys or Alloy body made of liquid metal known from practice. Such alloy bodies are regularly produced to melted again during subsequent processing and to be brought into the desired (casting) shape. To the mostly cuboidal alloy bodies are transported, z. B. ingots weighing from 4 to 25 kg, assembled into stackable blocks of fixed lot sizes and usually strapped. There are stacking machines for this required, which are designed relatively complex and do not always work trouble-free. Most of this can be done to those due in the course of the solidification of the liquid metal high temperatures. Incidentally, are such stacking machines built complex and consequently expensive.
  • liquid metal heat-insulating container directly on for example Deliver foundries. Such procedures are however, it can only be carried out profitably with large quantities of liquid metal. In addition, stockpiling is difficult. - Here the invention seeks to remedy the situation as a whole.
  • the invention is based on the technical problem Process and an apparatus for the production of preferably to specify one-piece alloy bodies made of liquid metal, with the help of such bodies simple and can be manufactured and transported inexpensively, with the possibility of the size and / or that To be able to vary the weight of the alloy body.
  • a generic method is used to solve this problem characterized in that the Outflow rate and / or the outflow rate of the Controlled liquid metal from the or the outlet openings or is regulated, depending on the Speed of mold shapes and / or size or the weight of the alloy bodies to be produced. With in other words, the size and / or weight the alloy body with the help of the outflow rate, the outflow rate and the speed of the mold control or regulate.
  • a high speed of mold forms predetermined outflow rate and outflow rate, d. H. Amount of liquid metal per unit of time, i. d. R. to small and light alloy bodies.
  • Their size and / or weight can be recorded or calculated by measurement and can be increased by either the Speed of mold shapes reduced or - what is better - the outflow rate and / or outflow rate is increased.
  • the outflow rate can The simplest case is by opening further outflow openings be increased while the outflow rate preferably by varying the liquid level in the pouring trough and thus the hydrostatic Pressure in the area of the respective outlet opening on the bottom is changed. Of course, additional or alternatively the size of the respective outflow opening be adjusted.
  • the level of the liquid metal determine in the pouring trough, mostly without contact using laser beams.
  • the fill level of the liquid metal in the respective mold form are, namely also contactless by means of laser beams be scanned.
  • the degree of filling of the transport container is usually measured without contact, namely according to a preferred embodiment also by means of laser beams. Depending on this degree of filling, a Successor container provided.
  • the molds are usually part of one Casting belt and are in connection with this casting belt moves.
  • the casting belt has at least two link chains on the longitudinal edge to which the Molds are connected.
  • These molds are usually in permanent molds in the Essentially laid out in scales with an overlap are. Molded-in are found in these mold carrier bodies Troughs as said mold shapes.
  • cooling devices can be provided with whose help the solidification speeds of the Target liquid metal in the molds leaves. This also makes the temperature of the entire device kept at a certain value so that Effects due to temperature drift or inadmissible heating cannot occur.
  • the invention also relates to one in claim 6 Described device for the production of preferably one-piece alloy bodies according to the pretreated process.
  • Advantageous embodiments of this device are the subject of claims 7 to 9.
  • the alloy body 8 molded from liquid metal, at which it is a according to the embodiment Quality alloy made of aluminum.
  • This Liquid metal is fed via a connected supply line 1 filled or fed into a casting trough 2.
  • This Pouring trough 2 has outlet openings 3 at the bottom
  • These outflow openings are ceramic Pouring nozzles 3, which are interchangeable according to the embodiment are designed.
  • outflow rate and the outflow rate of the liquid metal from the casting trough 2 can be varied.
  • the number of ceramic pouring nozzles 3 increases accordingly vary.
  • this will be from the outflow openings or pouring nozzles 3 leaking liquid metal subsequently in below the Casting trough 2 moving molds or troughs 4 in Mold support bodies 5 delivered.
  • the casting takes place under the effect of Gravity into the permanent metal molds, the molds or troughs 4. Due to the high thermal conductivity of the Mold 4 is accelerated cooling of the solidifying molten metal. In the course of this cooling the filled liquid aluminum experiences a Volume shrinkage of approx. 5 to 8%. Forms at the same time a fine-grained, dense alloy structure with excellent Surface quality.
  • an esp. given a clean and oxide-free cast because of the liquid metal below its surface at the bottom of the trough 2 through the ceramic pouring nozzles 3 into the mold 4 is emitted, so that with the ambient atmosphere in Connected liquid surface relevant for the casting is reduced to a minimum. Because unwanted Oxides float on the surface of the liquid metal in the trough 2 and are removed if necessary, consequently disturb the cast on the bottom into the depressions 4 Not.
  • the molds or troughs 4 are - as mentioned - a component of mold support bodies 5 into which the troughs 4 are molded.
  • the aforementioned mold support bodies 5 are put together like scales with overlap and each along the longitudinal edge via link chains 6 there connected.
  • As a result of this scale-like abutting is achieved that from the pouring nozzles or outflow openings 3 dispensed liquid metal continuously into the relevant molds 4 is filled, as is the enlarged section in Fig. 1 makes clear.
  • a roof-like Connecting web 7 is provided, which ensures that a Jet S of liquid metal even when hitting one Gap between the molds 4 perfectly in the associated troughs 4 is directed.
  • the respective transport container 9 is part of a Feeding device 10, with the help of which it is ensured that continuously filled transport container 9 and successor container 9 are provided.
  • This loading device 10 is in the embodiment as a turntable 10 executed with drive 11 and the end of Casting belt 5, 6 arranged. Of course you can too this loading device 10 also conveyor belts, grippers or the like for the transport container 9 belong.
  • cooling device 12 To accelerate the solidification of the alloy body 8 and / or the entire system, in particular the casting belt 5, 6 To cool, there is also a cooling device 12 above the casting belt 5, 6 realized. With the help of this cooling device 12, which in the present case is designed as a cooling fan 12 is consequently the rate of solidification influence the alloy body 8. This also will ensures the cooling of the entire system.
  • a measuring device 13 above the trough 2 provided to the level of liquid metal there to capture This measuring device 13 works without contact and is according to the embodiment as a laser measuring device 13 executed.
  • the level in the Molds or troughs 4 are made with the help of another Measuring device 14, in the present case a level measuring device 14 recorded.
  • This level measuring device 14 is arranged above the casting belt 5, 6 and is used for Determination of the level of the mold 4 with Liquid metal.
  • a weighing device and / or scanning device 15 in the area of Feeder 10 realized to fill the or to determine the transport container 9.
  • a scanning device 15 in the present case a non-contact laser measuring device 15, realized. All The aforementioned measuring devices 13, 14, 15 are also like the loading device 10 or its drive 11, the Casting belt 5, 6 or its drive 16 and the cooling device 12 to a control device 17 connected. This control device 17 controls the entire sequence of procedures.
  • the feed speed of liquid metal via the feed line 1 varies what by appropriate sliders or the like Shut-off devices can be made in the feed line 1. ever according to the liquid metal feed rate, the liquid level sensed by means of the measuring device 13 in the pouring trough 2. From this fluid level in the Pouring trough 2 and the size and number of outflow openings or pouring nozzles 3 depend outflow rate and Outflow rate of the liquid metal from the trough 2 from.
  • a corresponding Control takes place via the fill level measuring device 14, their measured values (together with the level values in the Casting trough 2) as a reference variable for the control serve the outflow rate or outflow rate. This also applies to the speed of the casting belt 5, 6 (the However, it is regularly and constantly preset).
  • the Solidification rate of the alloy body 8 and the Cooling of the entire system can be made.
  • the loading device 10 with the aid of the control device 17 driven so that a full transport container 9 precisely through a corresponding successor container 9 is replaced.
  • a weighing device be a transport container to be filled 9th weighs empty first (tare) and then based on the gross weight the net weight of the alloy body 8 from the Difference gross weight minus tare determined.
  • the control device 17 the working speed of the loading device 10 or control the drive 11 there or depending on the speed of the casting belt 5, 6 and the number of regulate alloy body 8 to be filled.
  • alloy bodies 8 are made fully automatically Liquid metal, according to the embodiment from a (Aluminum) cast alloy.
  • This alloy body can have a piece weight in the range between 100 g and have up to 1.5 kg. Due to the large surface (with the same weight) compared to a (heavy) Cuboid alloy bodies melt the inventive Alloy body quickly.
  • the continuous casting performance is included at least 5000 kg per hour. This is an oven-friendly Melting down with simplified dosing and uncomplicated handling achieved.
  • the investment costs are low because the casting belt 5, 6 shown is simple and is inexpensive.
  • a stacking machine - like the state of the art considers it indispensable omitted.
  • the casting process runs fully automatically.
  • the Transport costs are reduced because the Alloy body 8 in easy to handle and too transporting transport containers 9 are moved.
  • the alloy bodies produced by the described method 8 are not only available in (aluminum) mold foundries as an alternative to the usual cuboid alloy bodies or aluminum pig body, but can also be used as additives for a molten steel Find consideration. Because the shape of the alloy body 8 can be chosen practically freely and ranges from ball or Teardrop shapes up to pyramids or Truncated pyramids (see FIG. 3).

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Continuous Casting (AREA)
  • Casting Support Devices, Ladles, And Melt Control Thereby (AREA)
  • Manufacture Of Alloys Or Alloy Compounds (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)

Claims (9)

  1. Procédé pour la fabrication de corps en alliage (8) de préférence d'un seul tenant en métal liquide, en particulier de corps en alliage (8) de qualité d'un seul tenant en alliages de fonte (d'aluminium), par les étapes de procédé suivantes :
    a) dans un premier temps, le métal liquide est versé dans une cuvette de coulée (2) munie d'au moins une ouverture d'écoulement (3) sur sa face inférieure ;
    b) le métal liquide s'écoulant par l'ouverture d'écoulement (3) est ensuite coulé dans des coquilles (4) se déplaçant sous la cuvette de coulée (2) ;
    c) les corps en alliage (8), qui se solidifient pendant le déplacement des coquilles (4), sont ensuite chargés dans des conteneurs de transport (9),
    caractérisé en ce que la vitesse d'écoulement et/ou la quantité de métal liquide s'écoulant de la ou des ouvertures d'écoulement (3) est commandée ou régulée, et ce en fonction de la vitesse des coquilles (4) et/ou de la taille ou du poids des corps en alliage (8) à fabriquer.
  2. Procédé selon la revendication 1, caractérisé en ce que le niveau de remplissage du métal liquide dans chaque coquille (4) est déterminé, par exemple sans contact, à l'aide de rayons laser.
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que les coquilles (4) sont déplacées par l'intermédiaire d'un convoyeur de coulée (5, 6) dont elles font partie intégrante.
  4. Procédé selon l'une des revendications 1 à 3, caractérisé en ce que la vitesse de solidification du métal liquide dans les coquilles (4) est réglée de manière ciblée à l'aide par exemple de dispositifs de refroidissement additionnels (12).
  5. Procédé selon l'une des revendications 1 à 4, caractérisé en ce que le niveau de remplissage du conteneur de transport (9) est détecté et en ce que, en fonction de ceci, un nouveau conteneur de transport (9) est mis en place.
  6. Dispositif pour la fabrication de corps en alliage (8) de préférence d'un seul tenant selon le procédé de l'une des revendications 1 à 5, avec
    a) au moins une cuvette de coulée (2), à laquelle est reliée une ligne d'alimentation (2), au-dessus d'un convoyeur de coulée (5, 6) portant des coquilles (4) ;
    b) au moins une ouverture d'écoulement (3) sur la face inférieure de la cuvette de coulée (2) ;
    c) un dispositif de chargement (10) pour un ou plusieurs conteneurs de transport (9) à la fin du convoyeur de coulée (5, 6) ;
    d) le cas échéant, un dispositif de refroidissement (12) pour le réglage de la vitesse de refroidissement des corps en alliage (8) et/ou pour le refroidissement de l'ensemble du dispositif, en particulier du convoyeur de coulée (5, 6) et avec
    e) un dispositif de commande/de régulation (17) pour au moins le réglage de la vitesse d'alimentation ou de la quantité d'alimentation en métal liquide, de la vitesse de défilement du convoyeur de coulée (5, 6) et de la vitesse de travail du dispositif de chargement (10).
  7. Dispositif selon la revendication 6, caractérisé en ce qu'un dispositif de mesure du niveau de remplissage (14) est disposé au-dessus du convoyeur de coulée (5, 6) pour déterminer le niveau de remplissage des coquilles (4) avec du métal liquide.
  8. Dispositif selon la revendication 6 ou 7, caractérisé en ce qu'un dispositif de pesage ou de palpeur (15) est réalisé dans la zone du dispositif de chargement (10) pour déterminer le niveau de remplissage du ou des conteneurs de transport (9).
  9. Dispositif selon l'une des revendications 6 à 8, caractérisé en ce que le convoyeur de coulée (5, 6) est constitué pour l'essentiel de corps de support de coquilles (5), avec des cuvettes (4) faisant office de coquilles ménagées dans ceux-ci, et disposés de manière adjacente et se chevauchant comme des écailles, ainsi que de chaínes à maillons (6) reliant les corps de support de coquilles (5) entre eux par leurs bords longitudinaux.
EP99116270A 1999-08-18 1999-08-18 Procédé et dispositif de fabrication de préférence, de corps d'alliage monoblocs à partir d'un métal liquide Expired - Lifetime EP1077098B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
AT99116270T ATE260723T1 (de) 1999-08-18 1999-08-18 Verfarhen und vorrichtung zur herstellung von vorzugsweise einteiligen legierungskörpern aus flüssigmetall
EP99116270A EP1077098B1 (fr) 1999-08-18 1999-08-18 Procédé et dispositif de fabrication de préférence, de corps d'alliage monoblocs à partir d'un métal liquide
DK99116270T DK1077098T3 (da) 1999-08-18 1999-08-18 Fremgangsmåde og indretning til fremstilling af legeringslegemer af flydende metal, fortrinsvis i et stykke
ES99116270T ES2217657T3 (es) 1999-08-18 1999-08-18 Procedimiento y dispositivo para fabricar cuerpos de aleacion preferiblemente en una sola pieza a partir de metal liquido.
DE59908747T DE59908747D1 (de) 1999-08-18 1999-08-18 Verfarhen und Vorrichtung zur Herstellung von vorzugsweise einteiligen Legierungskörpern aus Flüssigmetall

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP99116270A EP1077098B1 (fr) 1999-08-18 1999-08-18 Procédé et dispositif de fabrication de préférence, de corps d'alliage monoblocs à partir d'un métal liquide

Publications (2)

Publication Number Publication Date
EP1077098A1 EP1077098A1 (fr) 2001-02-21
EP1077098B1 true EP1077098B1 (fr) 2004-03-03

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EP99116270A Expired - Lifetime EP1077098B1 (fr) 1999-08-18 1999-08-18 Procédé et dispositif de fabrication de préférence, de corps d'alliage monoblocs à partir d'un métal liquide

Country Status (5)

Country Link
EP (1) EP1077098B1 (fr)
AT (1) ATE260723T1 (fr)
DE (1) DE59908747D1 (fr)
DK (1) DK1077098T3 (fr)
ES (1) ES2217657T3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008014118U1 (de) 2008-10-23 2009-01-15 Sug Schmelz- Und Giessanlagen Gmbh & Co. Kg Vorrichtung zur Behandlung gegossener Metallkörper

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005021891B4 (de) * 2005-05-04 2011-12-22 Evgenij Sterling Verfahren zum Herstellen von Masseln und Massel

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH428108A (de) * 1965-10-18 1967-01-15 Balzers Patent Beteilig Ag Verfahren zur serienmässigen Herstellung von gleichartigen Gussstücken vorgeschriebenen Gewichts
JPS57160554A (en) * 1981-03-31 1982-10-02 Nippon Steel Corp Recovering method for sensible heat of mold pig iron
JPS57209747A (en) * 1981-06-22 1982-12-23 Nippon Kokan Kk <Nkk> Controlling method for casting of continuous charging type casting machine
JPH07106425B2 (ja) * 1990-03-16 1995-11-15 株式会社福田博商店 赤錆の発生しにくい鋳物用型銑の製造方法
WO1995013153A1 (fr) * 1993-11-08 1995-05-18 Tasmanian Electro Metallurgical Company Proprietary Limited Systeme de commande pour machine a couler
JPH07185742A (ja) * 1993-12-27 1995-07-25 Kobe Steel Ltd 鋳銑機におけるモールド搬送速度制御方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008014118U1 (de) 2008-10-23 2009-01-15 Sug Schmelz- Und Giessanlagen Gmbh & Co. Kg Vorrichtung zur Behandlung gegossener Metallkörper

Also Published As

Publication number Publication date
ATE260723T1 (de) 2004-03-15
DE59908747D1 (de) 2004-04-08
DK1077098T3 (da) 2004-07-12
EP1077098A1 (fr) 2001-02-21
ES2217657T3 (es) 2004-11-01

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