EP1392457B1 - Verfahren zum ablängen von strangpressprofilen - Google Patents
Verfahren zum ablängen von strangpressprofilen Download PDFInfo
- Publication number
- EP1392457B1 EP1392457B1 EP03714774A EP03714774A EP1392457B1 EP 1392457 B1 EP1392457 B1 EP 1392457B1 EP 03714774 A EP03714774 A EP 03714774A EP 03714774 A EP03714774 A EP 03714774A EP 1392457 B1 EP1392457 B1 EP 1392457B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extruded profile
- profile section
- saw
- cutting
- extruded
- 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
Links
- 238000000034 method Methods 0.000 title claims abstract description 43
- 238000005520 cutting process Methods 0.000 title claims abstract description 28
- 238000001125 extrusion Methods 0.000 claims abstract description 27
- 229910000838 Al alloy Inorganic materials 0.000 claims description 8
- 229910000861 Mg alloy Inorganic materials 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims 1
- 239000002184 metal Substances 0.000 claims 1
- 238000000926 separation method Methods 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000003795 chemical substances by application Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 239000011265 semifinished product Substances 0.000 description 2
- 241000724421 Agrostis castellana Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 238000000304 warm extrusion Methods 0.000 description 1
Images
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
- B21C23/02—Making uncoated products
- B21C23/04—Making uncoated products by direct extrusion
- B21C23/08—Making wire, bars, tubes
- B21C23/12—Extruding bent tubes or rods
Definitions
- the invention relates to a method according to the preamble of claim 1.
- Industrially profiled workpieces are often used on the Basis of profiles formed by extrusion of semifinished products manufactured. Depending on the material used for the semi-finished product the extrusion takes place at a temperature which the ensures plastic deformability. For example Aluminum or magnesium alloys generally at temperatures compressed from 250 ° C to 600 ° C. For further processing the extruded profiles need this, according to the respective Dimensions of the profiled workpieces to be produced be cut to length. For cutting mostly mechanical Cutting tools, such as saws or scissors, used.
- US 5,305,626 A1 describes a method and an apparatus for the production of extruded extruded profiles, in particular of aluminum or a Aluminum alloy leaving an extruder in the press flow, wherein the output of the extruding device is designed such that it has two Having partial outputs, which are designed differently and the two emerging strands a different discharge speed grant, so that the two sub-strands after exiting to a unite single, curved extrusion that transversely to the Extruded is bent.
- the two partial strands experience at the same time with the shaping extruding a frictional force, which in the essentially antiparallel to the discharge of the extruding device is directed.
- the curved extrusion happens, guided by a Guide, a cooling device, then cut to length by a saw become.
- the saw is mounted on a support that runs along the path of the Extruded profiles back and forth is movable.
- the carrier comprises a Supporting device, which rests against the extrusion and a deformation of the Extruded avoids, wherein the support device two grippers and between which the extruded profile is gripped when passing through the Saw is cut to length.
- EP 0 706 843 A1 describes a method and an apparatus for the production curved workpieces, in particular of solid and hollow profiles with complex cross sections, by extrusion and subsequent bending of the extruded, extruded extrusions.
- This is the as Extrusion profile present workpiece at a distance of one Die holder under the action of a transversely acting to the outlet direction Force deflected laterally and thus purposefully bent.
- the lateral force can through a pressure roller, a sliding surface or by a gas cushion of a pressure source be applied.
- the present invention is a method for cutting to length a hollow extrusion profile in the press flow, which method is characterized in that the curved Extruded profile in the press flow due to the mechanical action a saw is cut to length, which when cutting to the extruded force exerted by an extruded profile fitting support device is compensated, such that deformation of the bent extruded profile is avoided, wherein the extruded profile of an aluminum alloy or a magnesium alloy and when cutting to length a temperature in the range 200 ° C - 600 ° C, preferably 500 ° C - 600 ° C has.
- the saw is advantageously guided on a guide tool, wherein the saw on the guide tool, or alternatively, the guide tool can be supported on the saw.
- the saw is advantageously dimensioned so that the entire Cross-section of the extruded profile due to its depth of cut is covered. This ensures that the extruded profile time-saving with a single feed of the cutting tool can be severed.
- the separation of the Extruded profiles either during standstill of the Extruded profiles are made, or the saw can during the Separation process with the extruded profile moving in the press flow be moved.
- the Device for clearance compensation in Pressing direction allows the speed the press flow in an advantageous manner unabated can be maintained, even if with relatively long Separation times, especially in the presence of relatively thick Profiles is to be expected.
- This compensation option avoids unwanted, possibly even damaging influences the saw and / or extruded section through which the saw during the separation process in a transverse direction loading movement of the extruded profile in the press flow.
- the feed rate of the saw is in an advantageous Optionally adapted to different profile cross-sections, resulting in increased wear due to overuse the material of the saw can be prevented. This allows longer tool life can be achieved which further improves the economic efficiency of the process.
- the problem often arises that the serration of the saw blade with the warm shavings of the Add extruded profiles.
- the release agent is, for example, by sputtering on the saw blade applied. This can also serve as a coolant to serve for the saw blade.
- the guide tool to guide the cutting tool a robot.
- the robot is this with a corresponding to the movement and / or curvature of the extruded profile controllable robotic arm Mistake.
- the saw can by the robot arm in one Selectable position can be positioned on the extruded profile.
- Such positioning is as close as possible on the extruded profile, so that the separation process by shorttown Industriesde Paths as quickly as possible, and comparatively high extrusion rates are possible.
- the positioning of the saw by means of the robot arm takes place advantageous by the control of a higher-level control center, which in relation to the necessary data in relation on the exact course of the stretched or bent or curved extruded profile features.
- the saw can work on this Way, of course in the context of the robotic arm lent Movement possibilities, to virtually arbitrary Positions are brought near the extruded profile to the To cut extruded profile at the local place.
- the control of the robot arm by a higher-level control center also allows the robotic arm while cutting to length is guided so that virtually no relative movement to the moving in the press flow extruded profile occurs.
- the feed of the saw with respect to a mitbewegten with the robot arm in particular a one-dimensional movement permitting guide device he follows.
- the saw can therefore because of this possibility of movement without a corresponding movement of the robot arm through the extruded profile are guided. This facilitates above all else then the computational effort to control the robot arm essential if the robot arm during the separation process to be moved with the extruded profile, and a combined Movement of the robot arm to move the robot arm and to move the saw during the separation process required is.
- the extrusion speed while cutting to length in the range of 10 to 30 m / min. Preferably, this is between 20 and 30 m / min and is more preferably about 25 m / min.
- the extrusion speed is usually between 1 and 5 m / min, and amounts to more preferably about 2 to 3 m / min.
- the separation time amounts to profiles of aluminum or magnesium alloys preferably less than about 4 seconds, and in particular preferably about 2 seconds.
- FIG. 1 is intended to illustrate the method according to the invention.
- the representation takes place in a Cartesian coordinate system, whose XY plane is parallel to the paper plane, and whose Z axis is perpendicular to the XY plane.
- Shown is a robot arm 3, which executed at its end as a saw Separating tool leads, which is positioned near an extruded profile 5 becomes.
- the extruded profile 5 is shown in cross-section, d. H. it moves in the press flow in Z-direction.
- the hollow extruded profile is in the present case from an aluminum alloy. However, it could instead which consist of a magnesium alloy.
- the mechanical separation of the extruded profile 5 is performed by arranged in the XY plane saw blade 6, which over the Main drive 7 is set in rotational motion.
- a counter-holder 4 in the form of a in the XZ-plane flat plate to support it at.
- the anvil 4 takes the separation process by the Saw on the extruded profile 5 in the Y direction exerted mechanical Forces and thus prevents deformation and a change in the contour of the extruded profile 5.
- the saw is in addition with a device for axial clearance compensation equipped in the form of a compensation bearing 2 to the Movement of the extruded profile 5 in the Z direction during the Balance separation process.
- the robot arm 3 under Maintaining its relative position to the extruded profile 5 be moved with the extruded profile 5 in the Z direction.
- the Control of the robotic arm of the robotic arm takes over (not shown) control center, which the exact course of the extruded profile knows.
- the movement of the robot arm 3 according to the moving extrusion profile and the movement the saw by the extruded profile 5 during the separation process, are due to the existing feed axis 1 in the Y direction decoupled.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Fats And Perfumes (AREA)
- Meat, Egg Or Seafood Products (AREA)
- Sawing (AREA)
Description
- Fig. 1
- eine schematische Ansicht einer Vorrichtung zur Durchführung des erfindungsgemäßen Verfahrens.
Claims (18)
- Verfahren zum Ablängen eines hohlförmigen Strangpreßprofils (5) im Pressenfluss,
wobei das Strangpreßprofil (5) nach dem Pressenaustritt gleichzeitig mit oder unmittelbar nach dem formgebenden Strangpreßvorgang durch eine quer zu der Strangpreßrichtung auf das Strangpreßprofil (5) einwirkende Kraft gebogen wird,
wobei das gebogene Strangpreßprofil (5) im Pressenfluss durch die mechanische Einwirkung einer Säge abgelängt wird,
wobei das Strangpreßprofil (5) aus einer Aluminiumlegierung oder einer Magnesiumlegierung besteht, und
wobei die bei dem Ablängen auf das Strangpreßprofil (5) ausgeübte Kraft durch eine dem Strangpreßprofil (5) anliegende Stützvorrichtung ausgeglichen wird, derart, daß eine Verformung des gebogenen Strangpreßprofils (5) vermieden wird,
dadurch gekennzeichnet, daß die Säge mit einer Vorrichtung zum Spielausgleich in Preßrichtung versehen ist, und
daß das Strangpreßprofil (5) bei dem Ablängen eine Temperatur im Bereich von 200°C - 600°C aufweist. - Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die auf das Strangpreßprofil (5) einwirkende Kraft eine Kraftkomponente aufweist, die als Zug- oder Druckkraft bei dem formgebenden Strangpreßvorgang auf die Querschnittsfläche der entstehenden Hohlprofilwände einwirkt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß das Strangpreßprofil (5) bei dem Ablängen eine Temperatur im Bereich von 500°C - 600°C aufweist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Säge an einem Führungswerkzeug geführt ist.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß die Säge an dem Führungswerkzeug abgestützt ist.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß das Führungswerkzeug an der Säge abgestützt ist.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Säge derart dimensioniert ist, daß der gesamte Querschnitt des Strangpreßprofils (5) durch ihre Schnitttiefe überdeckt wird.
- Verfahren nach Anspruch 1, daß die Säge während des Trennvorgangs mit dem Strangpreßprofil (5) mitbewegt wird.
- Verfahren nach Anspruch 4, dadurch gekennzeichnet, daß das Führungswerkzeug ein Roboter ist, mit einem entsprechend der Bewegung und/oder Krümmung des Strangpreßprofils (5) steuerbaren Roboterarm (3).
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß die Säge durch den Roboterarm (3) in einer wählbaren Position nahe des Strangpreßprofils (5) positioniert wird.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, daß der Vorschub der Säge bezüglich einer mit dem Roboterarm (3) mitbewegten Führungseinrichtung erfolgt.
- Verfahren nach Anspruch 9, dadurch gekennzeichnet, dadurch gekennzeichnet, daß der Vorschub der Säge relativ zu dem Roboterarm (3) in einer Dimension erfolgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Strangpreßgeschwindigkeit eines Strangpreßprofils (5) aus einer Aluminiumlegierung während des Trennvorgangs im Bereich von 10 - 30 m/min, insbesondere 20 - 30 m/min, liegt.
- Verfahren nach Anspruch 13, dadurch gekennzeichnet, daß die Strangpreßgeschwindigkeit ungefähr 25 m/min beträgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Strangpreßgeschwindigkeit eines Strangpreßprofils (5) aus einer Magnesiumlegierung während des Trennvorgangs im Bereich 1 - 5 m/min, insbesondere 2 - 3 m/min, liegt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß die Trennzeit während des Trennvorgangs des Strangpreßprofils (5) maximal 4 Sekunden beträgt.
- Verfahren nach Anspruch 16, dadurch gekennzeichnet, daß die Trennzeit während des Trennvorgangs ungefähr 2 Sekunden beträgt.
- Verfahren nach Anspruch 1, dadurch gekennzeichnet, daß bei dem Ablängen eines Strangpreßprofils (5) mit unterschiedlichen Querschnitten das Zeitspanungsvolumen während der Trennvorgänge im wesentlichen konstant ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10209481 | 2002-03-05 | ||
DE10209481A DE10209481C1 (de) | 2002-03-05 | 2002-03-05 | Verfahren zum Ablängen eines Strangpressprofils |
PCT/EP2003/002231 WO2003074205A1 (de) | 2002-03-05 | 2003-03-05 | Verfahren zum ablängen von strangpressprofilen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1392457A1 EP1392457A1 (de) | 2004-03-03 |
EP1392457B1 true EP1392457B1 (de) | 2005-06-08 |
Family
ID=27770965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03714774A Expired - Lifetime EP1392457B1 (de) | 2002-03-05 | 2003-03-05 | Verfahren zum ablängen von strangpressprofilen |
Country Status (11)
Country | Link |
---|---|
US (1) | US6862911B2 (de) |
EP (1) | EP1392457B1 (de) |
JP (1) | JP2005518283A (de) |
CN (1) | CN1253263C (de) |
AT (1) | ATE297269T1 (de) |
AU (1) | AU2003219014A1 (de) |
CA (1) | CA2462533A1 (de) |
DE (2) | DE10209481C1 (de) |
DK (1) | DK1392457T3 (de) |
NO (1) | NO20034933D0 (de) |
WO (1) | WO2003074205A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10340772A1 (de) * | 2003-09-02 | 2005-03-24 | Sms Eumuco Gmbh | Verfahren und Vorrichtung zum Strangpressen von gekrümmten Strangpressprofilen |
CN100391687C (zh) * | 2005-08-01 | 2008-06-04 | 沈阳华铁异型材有限公司 | 机油冷却器气室腔的生产工艺及产品 |
DE102013008635B3 (de) * | 2013-05-18 | 2014-06-26 | Ulrich Bruhnke | Verfahren und Anlage zur Herstellung von Blechtafeln |
CN106914505B (zh) * | 2017-03-03 | 2019-03-01 | 东莞市闻誉实业有限公司 | 铝合金挤压机构 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2421425C2 (de) * | 1974-05-03 | 1982-03-25 | Gebr. Happich Gmbh, 5600 Wuppertal | Einrichtung zum Aufteilen von aus einer Strangpreß- oder Profilstrangrollmaschine auslaufenden Werkstücken in gleich oder unterschiedlich lange Abschnitte |
IT1171937B (it) * | 1983-06-21 | 1987-06-10 | Sica Spa | Apparecchiatura e procedimento di controllo delle fasi di lavoro di un dispositivo di taglio mobile su tubi estrusi in continuo |
DE3630601A1 (de) * | 1986-09-09 | 1988-03-17 | Erbsloeh Julius & August | Schereinrichtung zum abtrennen von metallprofilen, insbesondere von auf einem pressenauslauftisch abgelegten strangpressprofilen |
NL9200138A (nl) * | 1992-01-24 | 1993-08-16 | Reynolds Aluminium Bv | Extrusiewerkwijze en extrusieinrichting. |
JP3022036B2 (ja) * | 1992-02-24 | 2000-03-15 | テイエチケー株式会社 | レールの製造方法及び製造装置 |
JP2735171B2 (ja) * | 1993-12-27 | 1998-04-02 | 本田技研工業株式会社 | 軽合金の押出し加工方法 |
DE4428827A1 (de) * | 1994-08-17 | 1996-03-14 | Kleiner Matthias Prof Dr Ing H | Verfahren zur Herstellung von gekrümmten Werkstücken durch eine Kombination von Strangpressen und Biegen |
EP0759331B1 (de) * | 1995-08-12 | 1997-04-09 | SMS HASENCLEVER GmbH | Vorrichtung zum schrittweisen Quertransport von Profilen zwischen dem Auslauf einer Metallstrangpresse und einer Streckrichtmaschine |
DE19637175C2 (de) * | 1995-09-13 | 2001-12-06 | Aisin Seiki | Vorrichtung zum Schneiden eines gekrümmten, kontinuierlich zugeführten Werkstücks |
JP3548971B2 (ja) * | 1995-11-16 | 2004-08-04 | 日本軽金属株式会社 | 押出し形材の曲げ加工方法 |
DE19913402A1 (de) * | 1999-03-25 | 2000-09-28 | Km Europa Metal Ag | Vorrichtung zum Ablängen von Langmaterial |
FR2837409B1 (fr) * | 2002-03-20 | 2004-06-04 | Airbus France | Procede de formage d'un secteur de levre d'entree d'air, dispositif pour sa mise en oeuvre et secteur ainsi obtenu |
-
2002
- 2002-03-05 DE DE10209481A patent/DE10209481C1/de not_active Expired - Fee Related
-
2003
- 2003-03-05 AT AT03714774T patent/ATE297269T1/de not_active IP Right Cessation
- 2003-03-05 WO PCT/EP2003/002231 patent/WO2003074205A1/de active IP Right Grant
- 2003-03-05 CA CA002462533A patent/CA2462533A1/en not_active Abandoned
- 2003-03-05 EP EP03714774A patent/EP1392457B1/de not_active Expired - Lifetime
- 2003-03-05 DK DK03714774T patent/DK1392457T3/da active
- 2003-03-05 CN CNB038003597A patent/CN1253263C/zh not_active Expired - Fee Related
- 2003-03-05 JP JP2003572705A patent/JP2005518283A/ja active Pending
- 2003-03-05 DE DE50300620T patent/DE50300620D1/de not_active Expired - Fee Related
- 2003-03-05 AU AU2003219014A patent/AU2003219014A1/en not_active Abandoned
- 2003-11-05 NO NO20034933A patent/NO20034933D0/no not_active Application Discontinuation
- 2003-12-15 US US10/736,240 patent/US6862911B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1392457A1 (de) | 2004-03-03 |
US6862911B2 (en) | 2005-03-08 |
NO20034933L (no) | 2003-11-05 |
CA2462533A1 (en) | 2003-09-12 |
ATE297269T1 (de) | 2005-06-15 |
DK1392457T3 (da) | 2005-10-10 |
CN1514750A (zh) | 2004-07-21 |
NO20034933D0 (no) | 2003-11-05 |
US20040163438A1 (en) | 2004-08-26 |
AU2003219014A1 (en) | 2003-09-16 |
WO2003074205A1 (de) | 2003-09-12 |
JP2005518283A (ja) | 2005-06-23 |
CN1253263C (zh) | 2006-04-26 |
DE50300620D1 (de) | 2005-07-14 |
DE10209481C1 (de) | 2003-12-04 |
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