EP3122490A1 - Procédé et dispositif de façonnage de tronçons profilés extrudés à partir de magnésium ou d'alliages de magnésium et élément de construction léger fabriqué à partir de ceux-ci - Google Patents

Procédé et dispositif de façonnage de tronçons profilés extrudés à partir de magnésium ou d'alliages de magnésium et élément de construction léger fabriqué à partir de ceux-ci

Info

Publication number
EP3122490A1
EP3122490A1 EP15714395.9A EP15714395A EP3122490A1 EP 3122490 A1 EP3122490 A1 EP 3122490A1 EP 15714395 A EP15714395 A EP 15714395A EP 3122490 A1 EP3122490 A1 EP 3122490A1
Authority
EP
European Patent Office
Prior art keywords
tool
magnesium
profile
calibration
sections
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.)
Granted
Application number
EP15714395.9A
Other languages
German (de)
English (en)
Other versions
EP3122490B1 (fr
Inventor
Ralf Anderseck
Andreas Jäger
Karl-Heinz Lindner
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of EP3122490A1 publication Critical patent/EP3122490A1/fr
Application granted granted Critical
Publication of EP3122490B1 publication Critical patent/EP3122490B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • B21C23/00—Extruding metal; Impact extrusion
    • B21C23/002—Extruding materials of special alloys so far as the composition of the alloy requires or permits special extruding methods of sequences
    • 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
    • B21C35/00—Removing work or waste from extruding presses; Drawing-off extruded work; Cleaning dies, ducts, containers, or mandrels
    • B21C35/02—Removing or drawing-off work
    • B21C35/023—Work treatment directly following extrusion, e.g. further deformation or surface treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J15/00—Riveting
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22C—ALLOYS
    • C22C23/00—Alloys based on magnesium
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/06—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of magnesium or alloys based thereon

Definitions

  • the invention relates to a method and apparatus for processing extruded profile sections of magnesium or magnesium alloys with respect to their outer contour by hot calibration and / or hot stamping and / or cutting and / or hole operations for subsequent joining processes.
  • the invention relates in particular to extruded hollow chamber profiles from which subsequent assemblies (lightweight component) are to be joined.
  • DE 2 105 537 C3 describes an apparatus for hot calibration of rod-shaped rolling during hot rolling in the production flow of a continuous roll train, in which behind the finishing stand a die is arranged and the warmzukalibrierende, rod-shaped rolling stock is pushed by the rolls of the finishing stand through the die wherein the die is formed as a closed ring die and the ring die heatable to rolling temperature consists of a highly heat-resistant material and in front of the ring die a nozzle ring with an opening for the addition of thermally stable lubricants, such as colloidal graphite, low-melting glass, soda, quicklime or salts, as well as in front of the nozzle ring two labyrinth ring chambers are arranged and that the ring die is cushioned axially in both directions.
  • thermally stable lubricants such as colloidal graphite, low-melting glass, soda, quicklime or salts
  • a lightweight component and a manufacturing method in which the lightweight component consists of several together in a flat arrangement joined, extruded hollow sections.
  • the associated method comprises the steps of a) extruding hollow profiles with a wall thickness of at most 0.5% of the diameter of the circumscribed circle of the lightweight component made therefrom, b) joining a plurality of hollow profiles in a planar arrangement to form a lightweight component which has a circumscribed circle of at least 300 mm.
  • the joining of the hollow profiles is carried out by friction welding or gluing.
  • Extruded profiles in particular multi-chamber extruded profiles, warp on emergence from the die of the extruder. This leads straight to problems in a subsequent joining process in which flat assemblies are to be assembled from the extruded profile sections.
  • Light metals have the advantage over the steel materials most commonly used today that they have a much lower density.
  • the lightest of these metals is magnesium, about 35% lighter than aluminum.
  • Today's new magnesium alloys have very good properties, such as corrosion resistance and good deformation properties, so that they can be used for extrusion.
  • a disadvantage of extrusion is that the size of the producible extruded profiles is limited, so that one is forced to add assemblies of individual extruded profile sections.
  • the object of the invention is to provide a method and an apparatus for processing extruded profile sections made of magnesium or magnesium alloys, with which the aforementioned disadvantages are eliminated.
  • Another object is to provide a lightweight component produced therefrom that is made of individual extruded profile sections by joining, whereby virtually any arbitrary large lightweight element can be realized.
  • this object is achieved in that by means of the method, the extruded profile sections made of magnesium or magnesium alloys are brought in terms of their outer contour by hot calibration for the subsequent joining process to a dimensional accuracy in order to simplify the joining process. At the same time it is possible, together with the warm calibration, to carry out embossing operations, cutting and / or punching operations.
  • the hot calibration is performed in the production flow following extrusion. This has the advantage that the profile emerging from the die already has a temperature in the range of 250-450 ° C. and does not have to be additionally heated.
  • Such lightweight construction elements in vehicle construction can be, for example, support structures in the form of floor groups.
  • the accompanying Figure 1 shows an apparatus for carrying out the method for hot calibration of extruded profile sections.
  • the inventive method comprises the steps - inserting the heated to a temperature in the range of 250 to 450 ° C profile sections 1 in a two-part preheated to a temperature in the range of 300 to 600 ° C calibration 2 - and - pressurization of the calibration 2
  • insertion elements can be inserted into the end faces of the cut-to-length profile sections 1 by means of one or more press cylinders 3.
  • the insertion elements may have pin-like projections whose cross sections are adapted to the inner cross sections of the profile sections 1, have.
  • the device consists essentially of a press 4 and a calibration 2.
  • the calibration tool 2 is designed in two parts and therefore consists of two mutually movable tool halves I, II, between which the profile section 1 is inserted, wherein the tool halves adapted to the cross section of the profile to be calibrated are.
  • the tool halves I, II have holes in the corresponding heating cartridges are used to heat the tool halves I, II and to keep it at temperature.
  • one or more embossing dies can be arranged in one or both tool halves I, II, with the help of which at the same time a surface embossing of the profile sections can be made on one or both sides during the calibration process.
  • the calibrated and / or embossed and / or perforated profile sections can be joined to form a lightweight component.
  • the lightweight construction element may be formed, for example, as a support structure for a land vehicle, aircraft or watercraft, the individual of which the lightweight component forming hot-calibrated profile sections 1 are connected by a non-detachable connection. Preferably, this can be done by the friction stir welding, whereby low welding times and high efficiency in the joining process can be achieved.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Extrusion Of Metal (AREA)
  • Forging (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Abstract

L'invention concerne un procédé de façonnage du contour extérieur de tronçons profilés extrudés par calibrage à chaud et/ou estampage à chaud et/ou par des opérations de découpe et/ou de perçage. Ledit procédé comprend les étapes consistant à - introduire les tronçons profilés (1) chauffés à une température allant de 250 à 450°C (1) dans un outil de calibrage (2), constitué de deux parties, qui est préchauffé à une température de 300 à 600°C - et - appliquer une pression à l'outil d'calibrage (2) au moyen d'un ou de plusieurs vérins (3) d'une presse (4). Le dispositif servant à mettre en œuvre le procédé se compose d'une presse (4) et d'un outil d'calibrage, l'outil de calibrage (2) étant formé de deux moitiés d'outil I, II qui sont déplaçables l'une par rapport à l'autre et entre lesquelles le tronçon profilé (1) est introduit.
EP15714395.9A 2014-03-26 2015-02-13 Procédé et dispositif de façonnage de tronçons profilés extrudés en magnésium ou alliage de magnésium Active EP3122490B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102014004329.0A DE102014004329A1 (de) 2014-03-26 2014-03-26 Verfahren und Vorrichtung zum Bearbeiten von stranggepessten Profilabschnitten aus Magnesium oder Magnesiumlegierungen und ein daraus hergestelltes Leichtbauelement
PCT/DE2015/000070 WO2015144113A1 (fr) 2014-03-26 2015-02-13 Procédé et dispositif de façonnage de tronçons profilés extrudés à partir de magnésium ou d'alliages de magnésium et élément de construction léger fabriqué à partir de ceux-ci

Publications (2)

Publication Number Publication Date
EP3122490A1 true EP3122490A1 (fr) 2017-02-01
EP3122490B1 EP3122490B1 (fr) 2020-10-28

Family

ID=52813854

Family Applications (1)

Application Number Title Priority Date Filing Date
EP15714395.9A Active EP3122490B1 (fr) 2014-03-26 2015-02-13 Procédé et dispositif de façonnage de tronçons profilés extrudés en magnésium ou alliage de magnésium

Country Status (8)

Country Link
US (1) US10323309B2 (fr)
EP (1) EP3122490B1 (fr)
JP (1) JP2017518183A (fr)
KR (1) KR20160140785A (fr)
CN (1) CN106132583B (fr)
CA (1) CA2943826C (fr)
DE (1) DE102014004329A1 (fr)
WO (1) WO2015144113A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150315666A1 (en) * 2014-04-30 2015-11-05 Ford Global Technologies, Llc Induction annealing as a method for expanded hydroformed tube formability
CN108393383A (zh) * 2018-05-09 2018-08-14 新昌县大雄锻造有限公司 一种冲压装置
DE102020122711A1 (de) 2020-08-31 2022-03-03 Benteler Automobiltechnik Gmbh Verfahren zum Kalibrieren eines metallischen Profilrohlings mit wenigstens einer massiven Wand

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US4077247A (en) * 1975-09-30 1978-03-07 United Technologies Corporation Method and apparatus for improving the formability of sheet metal
JPH0790324B2 (ja) * 1991-07-29 1995-10-04 有限会社丸善鋲螺 スポーツシューズ用スタッドの製造方法
DE19725300C2 (de) 1997-06-14 2001-04-19 Cfs Falkenroth Umformtechnik G Werkzeug zum Warmkalibrieren und Warmlochen von Werkstücken
DE69913018T2 (de) * 1998-03-26 2004-08-05 Tokyo Seitan Inc. Geschmiedetes Gehäuse aus Magnesiumlegierung und Verfahren zu dessen Herstellung
US20010051125A1 (en) * 1998-06-05 2001-12-13 Kazuhiro Watanabe Nonaqueous secondary battery, constituent elements of battery, and materials thereof
JP2000246386A (ja) * 1998-12-28 2000-09-12 Tokyo Seitankosho:Kk マグネシウム合金製薄肉成形体の製造方法および薄肉成形体
JP2002273540A (ja) * 2001-03-16 2002-09-25 Hitachi Metals Ltd 凸部の成形方法及び成形体
DE10150021B4 (de) * 2001-10-11 2005-08-04 Peter Stolfig Verfahren und Vorrichtung zur Herstellung von Profilen oder Blechformteilen aus Magnesium oder Magnesiumlegierungen
CN1159119C (zh) * 2002-01-01 2004-07-28 李成顺 一种对热挤压型材进行矫直的重锤牵引法
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DE10241028B3 (de) * 2002-09-05 2004-07-29 Erbslöh Ag Verfahren zur Herstellung von bogenförmigen (gerundeten) Strukturbauteilen aus einem Strangpreßprofil
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Also Published As

Publication number Publication date
KR20160140785A (ko) 2016-12-07
CA2943826A1 (fr) 2015-10-01
WO2015144113A1 (fr) 2015-10-01
EP3122490B1 (fr) 2020-10-28
CA2943826C (fr) 2019-05-14
US10323309B2 (en) 2019-06-18
CN106132583B (zh) 2020-03-24
DE102014004329A1 (de) 2015-10-01
CN106132583A (zh) 2016-11-16
US20170107601A1 (en) 2017-04-20
JP2017518183A (ja) 2017-07-06

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