WO2013034135A1 - Installation de fabrication de pièces et de demi-produits extrudés - Google Patents

Installation de fabrication de pièces et de demi-produits extrudés Download PDF

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Publication number
WO2013034135A1
WO2013034135A1 PCT/DE2012/000896 DE2012000896W WO2013034135A1 WO 2013034135 A1 WO2013034135 A1 WO 2013034135A1 DE 2012000896 W DE2012000896 W DE 2012000896W WO 2013034135 A1 WO2013034135 A1 WO 2013034135A1
Authority
WO
WIPO (PCT)
Prior art keywords
cooling
mold
plant according
extrusion
casting
Prior art date
Application number
PCT/DE2012/000896
Other languages
German (de)
English (en)
Inventor
Ralf Anderseck
Peter Stolfig
Ulrich Bruhnke
Original Assignee
Techmag Ag
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 Techmag Ag filed Critical Techmag Ag
Priority to DE112012003751.0T priority Critical patent/DE112012003751A5/de
Publication of WO2013034135A1 publication Critical patent/WO2013034135A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C33/00—Feeding extrusion presses with metal to be extruded ; Loading the dummy block
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C29/00—Cooling or heating work or parts of the extrusion press; Gas treatment of work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D7/00—Casting ingots, e.g. from ferrous metals
    • B22D7/005—Casting ingots, e.g. from ferrous metals from non-ferrous metals

Definitions

  • the invention relates to a system for producing extruded components and semi-finished products from light metal or light metal alloys, preferably from a magnesium alloys comprising a device for producing blocks, bolts or billets and at least one system for processing these components or semifinished products.
  • the simplest permanent mold-making process for producing billets, billets or billets for extrusion is tumble casting, which is primarily used for low melting point alloys.
  • a usually two-part mold, the inside of which reproduces the contours of the casting is filled with melt, after a short time forms a solidification layer and the casting is removed after further cooling of the mold.
  • blocks, bolts or billets are then supplied for further processing to appropriate companies for use in extrusion presses.
  • the blocks, bolts or billets which may have a variety of prismatic shapes, heated to deformation temperature and in
  • the cast strand is broken after reaching a certain length, for example, by a flying saw and the continuation of the casting process.
  • the molds have a primary cooling circuit, through which the strand cools outwardly rapidly. For further cooling and solidification, the strand is drawn off into a cooling tank (secondary cooling). Due to the size of the cooling pool, the length of the strand to be cast is limited.
  • a primary cooling circuit through which the strand cools outwardly rapidly.
  • the strand is drawn off into a cooling tank (secondary cooling). Due to the size of the cooling pool, the length of the strand to be cast is limited.
  • a cooling tank secondary cooling
  • the casting plants comprise a continuous casting mold with a
  • the object of the invention is a system for producing extruded components made of light metal or light metal alloys, preferably from a
  • magnesium alloy which combines the time and space, the production of blocks, bolts or billets for the strand process and the processing of these strand processing plants to be manufactured components or semi-finished products in a plant, the waste heat from the manufacturing process for the blocks, bolts or billets is exploited to get a positive energy balance.
  • the object is achieved in that the system consists of a concatenation of a device for producing press studs, a device for supporting the press stud, in which the press studs are maintained at a temperature of 250 ° C to 580 ° C, and at least one extrusion wherein the devices are interconnected by means of transfer devices.
  • the transport device can be used as a circulating transport device or as a carousel with receptacles for the casting molds be educated.
  • the transport device is provided with a separate device for cooling the mold when filling the molds with the melt, which is designed to be movable in height.
  • the means for cooling the mold on the transport means is positioned below the spout of the molten metal feed and may consist of a liquid bath or a nozzle ring for spraying liquid onto the mold.
  • the cooling device on the transport device and / or the separate cooling device can be connected to at least one heat exchanging device.
  • the heat exchanging device may be coupled with an absorption refrigeration system for controlling the temperature of the cooling media
  • the heat exchanging device may be connected to the bearing device and / or the tools of the extrusion molding.
  • the storage device fulfills two tasks in the system according to the invention. On the one hand it serves as a buffer for the press studs and on the other hand it serves to keep the press studs to a corresponding processing temperature.
  • the waste heat from the cooling device of the transport device and the separate cooling device is removed from the cooling medium via a heat exchanging device.
  • the waste heat can be used on the one hand for keeping the press studs in the storage facility and on the other hand for preheating tools of the extrusion presses. Furthermore, part of the
  • Waste heat to be supplied to an absorption chiller with the help of the cooling media for the cooling device of the transport device and the
  • Cooling device can be tempered. Reference to an embodiment of the invention will be described in more detail.
  • the associated figure 1 shows the schematic diagram of the system according to the invention.
  • the plant for the production of extruded components and semi-finished products consists essentially of a device 1 for the production of press studs, a bearing device 2 for the press stud, in which the press studs are at a corresponding processing temperature and an extrusion 3, which are linked together by transfer devices.
  • the device 1 for the production of press studs consists of a mold bearing 4, a transport device 6 for the molds, a metal melt supply 5, a cooling device 7 and a device 8 for demolding.
  • the transport device 6 is as a circulating transport device with
  • the molds are designed as block molds with a length / diameter ratio of 3.5: 1, wherein the inner wall is slightly conical. This means that with a diameter of 250mm, the length of the compression bolt is about 800 mm. To improve the heat dissipation, the outer surface of the mold may be provided with ribs. The molds are removed from the mold bearing 4 and in the
  • Transport device 6 is a cooling device in the form of a
  • the cooling device is moved in the direction of the spout of the metal melt supply 5, in such a way that the liquid level of the cooling device is always at the height of the
  • Melting mirror is located in the mold.
  • the mold initially has a large amount of cold material, to whose
  • Heating a considerable amount of heat is required. This amount of heat is removed during casting and after the casting of the melt by placing in the Casting wall flows off. Due to the during the filling of the mold tracking cooling device does not take place as in the conventional casting process, where the mold is cooled suddenly over the entire length, but there is virtually a disk-wise cooling of the press pin to be cast. Here, those parts of the melt, which are located in the vicinity of the mold wall, most of the heat removed and it forms a solid outer skin. After completion of the filling of the mold, the cooling device is moved down and the filled molds can be in the cooling device. 7
  • the storage device 2 fulfills two tasks in the system according to the invention. On the one hand it serves as a buffer for the press studs and on the other hand it serves to keep the press studs to a processing temperature of about 450 ° C.
  • the waste heat from the cooling device of the transport path 6 and the cooling device 7 is removed via the heat exchanging device 9 the cooling medium.
  • the waste heat can be used on the one hand for keeping the press studs in the storage device 2 and on the other hand for preheating tools.
  • a portion of the waste heat of an absorption chiller can be supplied, by means of which the cooling media for the cooling device of the transport device 6 and the cooling device 7 can be tempered, wherein the
  • heat exchanging device 9 consists of a combination of heat exchangers and an absorption refrigeration system.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Of Metal (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

L'invention concerne une installation de fabrication de pièces et de demi-produits extrudés en métal léger ou en alliages de métaux légers, de préférence en alliages de magnésium, comportant un dispositif pour la fabrication de lingots ou de billettes, et au moins un dispositif de traitement de ces pièces ou demi-produits à finir. L'installation est composée d'un enchaînement d'un dispositif (1) de fabrication de billettes extrudées, d'un dispositif (2) de stockage des billettes extrudées, dans lequel les billettes extrudées sont maintenues à une température de 250 °C à 580 °C, et d'au moins un dispositif d'extrusion (3), les dispositifs (1, 2, 3) étant reliés mutuellement au moyen de dispositifs de transfert.
PCT/DE2012/000896 2011-09-08 2012-09-07 Installation de fabrication de pièces et de demi-produits extrudés WO2013034135A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE112012003751.0T DE112012003751A5 (de) 2011-09-08 2012-09-07 Anlage zur Herstellung stranggepreßter Bauteile und Halbzeuge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011112559.4 2011-09-08
DE201110112559 DE102011112559B4 (de) 2011-09-08 2011-09-08 Anlage zur Herstellung stranggepreßter Bauteile und Halbzeuge aus Leichtmetall oder Leichtmetalllegierungen

Publications (1)

Publication Number Publication Date
WO2013034135A1 true WO2013034135A1 (fr) 2013-03-14

Family

ID=47148550

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/DE2012/000896 WO2013034135A1 (fr) 2011-09-08 2012-09-07 Installation de fabrication de pièces et de demi-produits extrudés

Country Status (2)

Country Link
DE (2) DE102011112559B4 (fr)
WO (1) WO2013034135A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102014008646B3 (de) * 2014-06-13 2015-09-24 Ulrich Bruhnke Verfahren zur Herstellung von geschlossenen ringförmigen Konstruktionsbauteilen aus Leichtmetall, sowie Anordnung zur Durchführung des Verfahrens

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE823778C (de) * 1948-11-05 1951-12-06 Stolberger Zink Ag Verfahren und Vorrichtung zum ununterbrochenen Giessen von Leicht- und Schwermetallen, insbesondere von Zink
US3672038A (en) * 1970-05-05 1972-06-27 Lombard Corp Method and apparatus for producing extruded steel shapes
US4159560A (en) * 1975-10-21 1979-07-03 Swiss Aluminium Ltd. Equipment for extrusion in particular for the extrusion of aluminum billets into sections and the like
DE4139242C2 (fr) 1991-11-26 1993-09-02 Mannesmann Ag, 40213 Duesseldorf, De
EP0804981B1 (fr) 1995-10-18 2001-09-26 Sumitomo Metal Industries, Ltd. Procede de coulage continu et appareil s'y rapportant
DE19633620C2 (de) 1996-05-10 2001-10-25 Sms Demag Ag Stranggießanlage für Knüppel
WO2006056423A1 (fr) 2004-11-27 2006-06-01 Sms Demag Ag Dispositif et procede de coulee continue
EP1840235A1 (fr) * 2006-03-31 2007-10-03 BIOTRONIK VI Patent AG Alliage de magnésium et son procédé de fabrication
DE102010007660A1 (de) 2010-01-12 2011-07-14 SMS Siemag AG, 40237 Stranggießmaschine

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63199016A (ja) * 1987-02-12 1988-08-17 Ishikawajima Harima Heavy Ind Co Ltd 連続押出し加工装置
HU228629B1 (en) * 2001-04-19 2013-04-29 Alcoa Inc Continuous pressure molten metal supply system and method for forming contanuous metal articles
DE10150021B4 (de) * 2001-10-11 2005-08-04 Peter Stolfig Verfahren und Vorrichtung zur Herstellung von Profilen oder Blechformteilen aus Magnesium oder Magnesiumlegierungen
DE10241028B3 (de) * 2002-09-05 2004-07-29 Erbslöh Ag Verfahren zur Herstellung von bogenförmigen (gerundeten) Strukturbauteilen aus einem Strangpreßprofil

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE823778C (de) * 1948-11-05 1951-12-06 Stolberger Zink Ag Verfahren und Vorrichtung zum ununterbrochenen Giessen von Leicht- und Schwermetallen, insbesondere von Zink
US3672038A (en) * 1970-05-05 1972-06-27 Lombard Corp Method and apparatus for producing extruded steel shapes
US4159560A (en) * 1975-10-21 1979-07-03 Swiss Aluminium Ltd. Equipment for extrusion in particular for the extrusion of aluminum billets into sections and the like
DE4139242C2 (fr) 1991-11-26 1993-09-02 Mannesmann Ag, 40213 Duesseldorf, De
EP0804981B1 (fr) 1995-10-18 2001-09-26 Sumitomo Metal Industries, Ltd. Procede de coulage continu et appareil s'y rapportant
DE19633620C2 (de) 1996-05-10 2001-10-25 Sms Demag Ag Stranggießanlage für Knüppel
WO2006056423A1 (fr) 2004-11-27 2006-06-01 Sms Demag Ag Dispositif et procede de coulee continue
EP1840235A1 (fr) * 2006-03-31 2007-10-03 BIOTRONIK VI Patent AG Alliage de magnésium et son procédé de fabrication
DE102010007660A1 (de) 2010-01-12 2011-07-14 SMS Siemag AG, 40237 Stranggießmaschine

Also Published As

Publication number Publication date
DE112012003751A5 (de) 2014-05-28
DE102011112559B4 (de) 2014-05-08
DE102011112559A1 (de) 2013-03-14

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