EP2986401A1 - Verfahren und anlage zur herstellung von blechen aus strangförmigen profilen - Google Patents
Verfahren und anlage zur herstellung von blechen aus strangförmigen profilenInfo
- Publication number
- EP2986401A1 EP2986401A1 EP14723692.1A EP14723692A EP2986401A1 EP 2986401 A1 EP2986401 A1 EP 2986401A1 EP 14723692 A EP14723692 A EP 14723692A EP 2986401 A1 EP2986401 A1 EP 2986401A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- profile
- production
- extruded profile
- closed
- forming
- 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
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
-
- 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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/02—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of sheets
-
- 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
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/06—Making sheets
-
- 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
Definitions
- the invention relates to a method and a system for producing sheets of extruded profiles of small thickness, which are in particular made of magnesium or magnesium alloys, by means of a
- DE 101 50 021 B4 discloses a method and apparatus for producing profiles or sheet metal parts made of magnesium or magnesium alloys by means of pressure forming by extrusion, rolling, forging or casting, wherein the liquid melt in a continuous casting or extrusion for producing a semi-finished product is introduced and immediately thereafter
- CONFIRMATION COPY Semi-finished by forming in the hot state is brought by forming in its final form, the temperature of the material is held after solidification from the melt during the entire production in a range of 250 ° C to 350 ° C and the manufacturing process from casting to cooling the moldings in total in an inert atmosphere or in a vacuum is performed.
- the apparatus for performing these method steps is characterized in that the arrangement consists of a concatenation of a melting furnace, a continuous casting or extrusion, with and without roll stand, a cutter one or more presses and a cooling device, the entirety or parts the aforementioned devices are arranged in a protective gas or vacuum space.
- DE 103 17 080 B4 describes a process for producing shaped sheet metal parts from magnesium, in which a sheet metal part is formed directly after the rolling process by forming with at least one press in a temperature range of> 350 ° C to 450 ° C. can be produced.
- This device which consists of a linking of a melting furnace or crucible, a continuous casting device, one or more rolling stands, a cutting device, one or more presses and a cooling device and is operated in a protective gas or vacuum space, is characterized in that in that a punching device is provided between the cutting device and the press designed as a forming press, with which punching and / or punching holes which are dimensionally stable and have a cross-sectional stability can be introduced into the blanks coming from the cutting device.
- a semi-finished product in the form of a sheet by forming preferably is brought into its final shape by compression molding, wherein in a process step immediately before the forming process, the surface is removed by removal of chips, preferably by scraping, of impurities.
- a disadvantage of this method it is further that only parts can be made with a limited width, because for larger parts, a considerable overhead for the working pressures to be controlled is required.
- the tool and the machine frame must withstand the extrusion pressure applied during production of the semi-finished products or the parts with a corresponding back pressure and thus necessarily be dimensioned much larger.
- Cross-sectionally stepped and solid profile having sheet metal with different wall thickness in which first a semi-finished product is produced, whose cross section is similar to the cross section of the sheet in the thickness direction, and in which a sheet is rolled from the semi-finished, wherein for the production of the semifinished product
- Hollow profile with circumferentially distributed, the desired wall thickness profile of the semifinished product corresponding wall thickness profile is extruded, while the hollow profile is separated along a surface line and formed into the semifinished product.
- two complementary profiles are superimposed, wherein at least one of the profiled contact sides of the complementary profiles is provided with a release agent, and the two complementary profiles are rolled out simultaneously with cylindrical, that is unampled rolls. Before rolling, the two complementary profiles are separated on two opposite generatrices.
- Production process is discontinuous and only relatively narrow parts can be produced.
- a disadvantage is further that only relatively narrow parts made can be and the fact that due to the production of semi-finished with two different wall thicknesses and a stepped roller assembly of the manufacturing process is relatively expensive.
- the method comprises the steps of extruding or continuously casting a tubular body, cutting open the tubular body in its longitudinal direction, widening the tubular body into a two-dimensional body, rendering the flat body into a component suitable for drawing by means known per se
- the device consists essentially of a concatenation of a melting unit, a continuous casting or extrusion, a
- Longitudinal cutting device Longitudinal cutting device, a rolling stand, one or more forming units.
- the object of the invention is that a method and a system for the production of sheets of extruded profiles of small thickness, in particular of magnesium or magnesium alloys, indicate, wherein the emerging from an extrusion open or closed Extrusions continuously formed into a flat sheet metal can be. According to the invention this object is achieved by the specified continuous embodiment of the recited in claim 1 steps. That from the
- 1 shows a schematic diagram of a plant for the production
- the plant consists essentially of an extruder 1 for producing an extruded profile 6, a forming device consisting of a working coil 2 and an abutment 3 and a calibration device. 4
- the extruder 1 By means of the extruder 1 is a billet of a magnesium alloy to an extruded profile 6, for example, a profile 6, that in cross section has three sinnusförmige bows formed. Subsequently, the profile 6 is positioned above the working coil 2 and formed without contact by the action of force of a pulsed magnetic field with a very high intensity, wherein the profile 6 is formed against the abutment 3 to a flat plate 7.
- a time-varying magnetic field 6 By a time-varying magnetic field 6 eddy currents are induced in the electrically conductive profile.
- the magnetic field exerts forces on these currents. The strength of the forces depends on the spatial gradient of the magnetic flux density and on the size of the induced currents.
- the profile 6 experiences a directed towards lower flux density forces.
- the for the deformation of the profiles 6 to flat sheets. 7 necessary magnetic fields are generated by discharging charged capacitors in the course of a few microseconds over a matched to the profile geometry coil. This results in the profile surface, a very high magnetic pulse, as a result, in the profile 6, a current flows, which is directed in opposite directions to the coil current, the profile 6 is moved towards lower fields.
- the strength of the induced currents and concomitantly the force on the profile 6 depend on the electrical conductivity. Since magnesium or the magnesium alloy have a relatively good electrical conductivity, act on the surface of the profile 6 high pressures. These can be up to several thousand megapascals. This pressure prevails only in a short time range, namely in the range of a few microseconds, during the duration of the discharge of the capacitors.
- the profile 6 absorbs the required deformation energy in the form of pulses during this time. After an acceleration phase, the material of the profile 6 moves very quickly due to its low mass. In this case, speeds of up to 300 m / s can be achieved.
- the stresses occurring in the profile 6 are so high that a flow in the sense of forming technology occurs and the profile 6 is formed into a flat sheet 7.
- the sheet 7 passes through a calibration device for smoothing and is wound to the coil 5.
- a calibration device for smoothing
- profiles 6 to form a sheet metal are provided in the profile production either with a predetermined breaking point along the surface line or separated by a cutting device along the surface line.
- profiles 6 with introduced predetermined breaking point they are separated by the action of magnetic forces and converted to sheet 7.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Extrusion Of Metal (AREA)
- Forging (AREA)
- Metal Rolling (AREA)
- Straightening Metal Sheet-Like Bodies (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013006171.7A DE102013006171B4 (de) | 2013-04-10 | 2013-04-10 | Verfahren und Anlage zur Herstellung von Blechen aus strangförmigen Profilen |
PCT/DE2014/000179 WO2014166474A1 (de) | 2013-04-10 | 2014-04-08 | Verfahren und anlage zur herstellung von blechen aus strangförmigen profilen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2986401A1 true EP2986401A1 (de) | 2016-02-24 |
EP2986401B1 EP2986401B1 (de) | 2017-01-11 |
Family
ID=50721527
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14723692.1A Active EP2986401B1 (de) | 2013-04-10 | 2014-04-08 | Verfahren und anlage zur herstellung von blechen aus strangförmigen profilen |
Country Status (9)
Country | Link |
---|---|
US (1) | US10040109B2 (de) |
EP (1) | EP2986401B1 (de) |
JP (1) | JP6357530B2 (de) |
KR (1) | KR20150139930A (de) |
CN (1) | CN105263644B (de) |
CA (1) | CA2909199C (de) |
DE (2) | DE102013006171B4 (de) |
ES (1) | ES2630114T3 (de) |
WO (1) | WO2014166474A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016104216A1 (de) * | 2016-03-08 | 2017-09-14 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines Kraftfahrzeugbauteils |
CN107081344B (zh) * | 2017-05-04 | 2019-12-03 | 西南石油大学 | 一种用于薄壁挤压金属材的电磁防弯装置 |
CN107214211A (zh) * | 2017-06-06 | 2017-09-29 | 安徽枫帆轨道装备有限公司 | 一种门板修补架 |
Family Cites Families (26)
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---|---|---|---|---|
US3212311A (en) * | 1962-04-17 | 1965-10-19 | Inoue Kiyoshi | Method and apparatus for electromagnetic shaping of metallic bodies |
US3171014A (en) * | 1962-09-05 | 1965-02-23 | Giannini Scient Corp | Method of effecting magnetic deformation of a workpiece |
CH429636A (de) * | 1964-07-08 | 1967-02-15 | Siemens Ag | Vorrichtung zum Verformen von metallischen Werkstücken |
DE3412486C2 (de) | 1984-04-03 | 1994-02-03 | Kabelmetal Ag | Verfahren zur Herstellung von Durchlaufkokillen für Stranggußmaschinen |
US4986102A (en) * | 1989-05-23 | 1991-01-22 | The Boeing Company | Electromagnetic dent remover with tapped work coil |
DE4333500C2 (de) * | 1993-10-01 | 1996-03-14 | Daimler Benz Ag | Verfahren zur Herstellung eines im Querschnitt gestuften Bleches mit unterschiedlichen Wandstärken sowie Verwendung eines Paares stranggepreßter Profile |
FR2723329B1 (fr) | 1994-08-02 | 1996-09-13 | Inst Francais Du Petrole | Methode et dispositif pour fabriquer un tube metallique ondule |
US6708542B1 (en) * | 1999-06-14 | 2004-03-23 | Pulsar Welding Ltd. | Electromagnetic and/or electrohydraulic forming of a metal plate |
JP2001150015A (ja) | 1999-11-30 | 2001-06-05 | Shinko Electric Co Ltd | 鋼板の位置・振動制御装置 |
DE10150021B4 (de) * | 2001-10-11 | 2005-08-04 | Peter Stolfig | Verfahren und Vorrichtung zur Herstellung von Profilen oder Blechformteilen aus Magnesium oder Magnesiumlegierungen |
CN100387447C (zh) | 2002-09-17 | 2008-05-14 | 株式会社普利司通 | 泄气保用轮胎用的支承体和泄气保用轮胎 |
DE10243726B4 (de) * | 2002-09-20 | 2008-03-27 | Erbslöh Aluminium Gmbh | Wärmetauscher und Verfahren zur Herstellung eines Wärmetauschers sowie stranggepresstes Verbundprofil zur Verwendung in einem solchen Verfahren |
DE10247129A1 (de) * | 2002-10-09 | 2004-04-22 | Peter Stolfig | Verfahren zur Herstellung von Profilen oder Blechformteilen |
DE10317080B4 (de) * | 2003-04-12 | 2006-04-13 | Peter Stolfig | Verfahren zur Herstellung von Blechformteilen und Vorrichtung zur Durchführung des Verfahrens |
US20050194072A1 (en) * | 2004-03-04 | 2005-09-08 | Luo Aihua A. | Magnesium wrought alloy having improved extrudability and formability |
US7076981B2 (en) * | 2004-03-30 | 2006-07-18 | Bradley John R | Electromagnetic formation of fuel cell plates |
JP2007296553A (ja) * | 2006-04-28 | 2007-11-15 | Topre Corp | 薄板の電磁成形装置 |
DE102007002322A1 (de) * | 2007-01-16 | 2008-07-17 | Volkswagen Ag | Verfahren zur Herstellung von Blechen oder Blechteilen aus Leichtmetall, sowie Kraftfahrzeugbauteil aus Magnesium oder eine Magnesiumlegierung |
US8149893B2 (en) * | 2008-08-22 | 2012-04-03 | Siemens Aktiengesellschaft | Reliable wireless communication system using adaptive frequency hopping |
DE102008048496A1 (de) * | 2008-09-23 | 2010-04-01 | Peter Stolfig | Verfahren zur Herstellung von Blechformteilen und Vorrichtung zur Durchführung des Verfahrens |
DE102008048576A1 (de) | 2008-09-23 | 2010-03-25 | Behr Gmbh & Co. Kg | Herstellungsverfahren, Strangpresse und Matrize für ein Strangpress-Hohlprofil sowie Strangpress-Hohlprofil und Wärmetauscher mit einem Strangpress-Hohlprofil |
CN101590501B (zh) * | 2009-07-03 | 2011-05-11 | 武汉理工大学 | 镁合金板材温热电磁成形方法 |
DE102009039759A1 (de) * | 2009-08-31 | 2011-03-03 | Technische Universität Dortmund | Verfahren und Vorrichtung zum Strangpressen und nachfolgender elektromagnetischer Umformung |
CN102451869A (zh) * | 2010-10-28 | 2012-05-16 | 财团法人金属工业研究发展中心 | 金属板件成形装置 |
CN102179422B (zh) | 2010-12-29 | 2013-03-27 | 山东华盛荣镁业科技有限公司 | 金属平面板材的制备方法 |
US10893171B2 (en) | 2017-10-10 | 2021-01-12 | Hewlett-Packard Development Company, L.P. | Corrective data for a reconstructed table |
-
2013
- 2013-04-10 DE DE102013006171.7A patent/DE102013006171B4/de not_active Expired - Fee Related
-
2014
- 2014-04-08 CN CN201480029953.9A patent/CN105263644B/zh active Active
- 2014-04-08 JP JP2016506783A patent/JP6357530B2/ja active Active
- 2014-04-08 US US14/784,060 patent/US10040109B2/en active Active
- 2014-04-08 ES ES14723692.1T patent/ES2630114T3/es active Active
- 2014-04-08 EP EP14723692.1A patent/EP2986401B1/de active Active
- 2014-04-08 WO PCT/DE2014/000179 patent/WO2014166474A1/de active Application Filing
- 2014-04-08 CA CA2909199A patent/CA2909199C/en not_active Expired - Fee Related
- 2014-04-08 KR KR1020157031755A patent/KR20150139930A/ko not_active Application Discontinuation
- 2014-04-08 DE DE112014001932.1T patent/DE112014001932A5/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2016522747A (ja) | 2016-08-04 |
DE102013006171B4 (de) | 2015-04-16 |
DE112014001932A5 (de) | 2016-03-03 |
DE102013006171A1 (de) | 2014-10-16 |
CA2909199C (en) | 2018-05-15 |
JP6357530B2 (ja) | 2018-07-11 |
US10040109B2 (en) | 2018-08-07 |
EP2986401B1 (de) | 2017-01-11 |
US20160059289A1 (en) | 2016-03-03 |
CA2909199A1 (en) | 2014-10-16 |
WO2014166474A1 (de) | 2014-10-16 |
CN105263644A (zh) | 2016-01-20 |
CN105263644B (zh) | 2017-07-11 |
ES2630114T3 (es) | 2017-08-18 |
KR20150139930A (ko) | 2015-12-14 |
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