EP1372877B1 - Verfahren zum strangpressen und strangpressanlage, insbesondere zum herstellen von gekrümmten strangpressprodukten - Google Patents
Verfahren zum strangpressen und strangpressanlage, insbesondere zum herstellen von gekrümmten strangpressprodukten Download PDFInfo
- Publication number
- EP1372877B1 EP1372877B1 EP02712801A EP02712801A EP1372877B1 EP 1372877 B1 EP1372877 B1 EP 1372877B1 EP 02712801 A EP02712801 A EP 02712801A EP 02712801 A EP02712801 A EP 02712801A EP 1372877 B1 EP1372877 B1 EP 1372877B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- extrusion
- crosshead
- strand
- extruded
- bent
- 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
- 238000001125 extrusion Methods 0.000 title claims abstract description 32
- 235000012438 extruded product Nutrition 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 6
- 238000005452 bending Methods 0.000 claims abstract description 22
- 238000011144 upstream manufacturing Methods 0.000 claims description 3
- 238000003825 pressing Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007598 dipping method Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007493 shaping process 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
- B21C25/00—Profiling tools for metal extruding
-
- 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 for extruding and an extrusion press, in particular for producing curved extruded products, wherein the Preß surgeon in a counterhull of the extrusion die upstream template formed and then curved by the action of external forces or is bent.
- the invention is based on the object, a method and an extruder of the type mentioned above, which allow it by simple means Produce pressed products with a wide range of bending radii.
- pressing phases with grader Extrusion of the strand and those with bending action on the strand in time alternate.
- After pressing of a straight strand section of the strand needs to turn only with a more or less great external force to be distracted so that a first Bending radius is present, the strand then over a desired section can be pressed again just before then another bending radius is trained.
- the timing of straight extrusion and Force for bending or curvature of the strand can hereby means the parent computer of the extrusion press are controlled.
- An extrusion press for solving the problem underlying the invention has a counter-spar, with a lateral, transverse to the straight Auspreßcardi extending spar opening is formed, which is an integrated / Comprising actuator.
- the spar only needs to open to a side of the spar and for acting on the press product with the external force creates the required clearance, around the strand right in the backstop distract and provide with the desired bending radius.
- integrated actuator may be, for example, a tikstoffbeetzauer cylinder or the like with a pressure head on his dipping from the opposite side in the spar opening Piston rod end act. To the desired bends or Strand curvatures are sufficient, especially in the extrusion of Aluminum profiles already low force effects.
- the counter-spar in relation to Holmumble several times higher and advantageous in two-column design is executed can be a very wide range of different and especially very generate small bending radii. Because of the above average height having, i. long and narrow-building Gegenholms can after a first Turn right then a next bend will be generated again, as soon as the curvature portion of the strand in this construction only short Path has traveled back to the exit from the side opening.
- the actuator is a counter-holder assigned.
- anvil which is arranged below the pass line of the strand is suitably, a role or another, the strand with a Rounding facing counter-element.
- this counterholder attachment supports it, by a more or less large diameter or radius of the strand adjacent rounding the bending radius to be produced to influence the strand.
- the strand 8 is initially normal, as shown in Figs. just squeezed, to a leading strand section 8a (see Fig. 2) in Auspreßcardi 4 with a desired length has passed. If then at that time the Actuator 6 is acted upon against the strand 8, the strand with a Curvature or a bending radius 11 provided (see Fig. 3).
- the strand 8 or 8a lies down on a table 12 of the outlet of the extrusion 1.
- the counter-spars 102 and 202 according to FIGS. 6a, 6b and 7a, 7b are distinguished by a very long and narrow construction with an above average Holm God off.
- the Jacobholme 102 and 202 are in the embodiment in one Design with two columns 13a and 13b executed.
- the lateral spar opening 103 or 203 is due to the narrow construction to the side opening end only very short (see Figures 6b and 7b), so that successive bending radii the same extruded product can be formed in a shorter sequence. to Nevertheless, the good absorption of the extruding forces remains the counterstay 102 and 202 facing away from the side spar opening 103 and 203, respectively Side reinforced by a bulge material 14.
- the strand bending Adjusting means are not shown for the spars 102 and 202 in the figures. While the pressure plate of the tool carrier 9 (see FIG. immersed in a Holmausbloodung 15, the dash-dotted lines clarified Pressure plate 16 in the embodiment of FIGS. 7a, 7b inlet side on the Counter-spar 202 on.
- the depth of the lateral spar opening 203 in the extrusion 4 can with respect to the variant of FIG. 6a with otherwise the same Holmab distren be designed correspondingly larger.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Extrusion Of Metal (AREA)
Description
- Fig. 1 bis 5
- als Einzelheit einer Strangpreßanlage im Querschnitt deren Gegenholm sowie unterschiedliche Betriebsphasen zur Herstellung von Krümmungen bzw. Biegeradien an einem Strangpreßprodukt;
- Fig. 6a, 6b
- als Einzelheit einer Strangpreßanlage in der Seitenansicht (Fig. 6a) und in der Vorderansicht (Fig. 6b) eine andere Bauweise eines Gegenholms; und
- Fig. 7a, 7b
- in der Seitenansicht (Fig. 7a) und in der Vorderansicht (Fig. 7b) eine Abwandlung des Gegenholms nach den Fig. 6a, 6b.
Claims (6)
- Verfahren zum Strangpressen, insbesondere zum Herstellen von gekrümmten Strangpressprodukten (8), wobei das Preßprodukt in einer einem Gegenholm (1; 102; 202) einer Strangpressanlage (1) vorgelagerten Matrize (9) geformt und anschließend durch Einwirken äußerer Kräfte gekrümmt bzw. abgebogen wird,
dadurch gekennzeichnet, daß an das in den Gegenholm mit gerader Auspreßrichtung (4) eintretende Preßprodukt (8) die äußere Kraft im Gegenholm (2; 102; 202) zur Einwirkung gebracht und an dem Pressprodukt mindestens ein Biegeradius (11) ausgebildet wird. - Verfahren nach Anspruch 1,
dadurch gekennzeichnet, daß sich Preßphasen mit gerader Auspressung des Stranges und mit Abbiegeeinwirkung auf den Strang zeitlich abwechseln. - Verfahren nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß Stränge mit unterschiedlichen Biegeradien ausgebildet werden. - Strangpressanlage (1), insbesondere zum Herstellen von gekrümmten Strangpreßprodukten, wobei das Preßprodukt (8) in einer einem Gegenholm (1; 102; 202) der Strangpreßanlage vorgelagerten Matrize (9) geformt und anschließend durch Einwirken äußerer Kräfte gekrümmt bzw. abgebogen wird, insbesondere zum Durchführen des Verfahrens nach Anspruch 1,
dadurch gekennzeichnet, daß der Gegenholm (2; 102; 202) mit einer seitlichen, sich quer zur geraden Auspreßrichtung (4) erstreckenden Holmöffnung (3; 103; 203) ausgebildet ist, die ein integriertes Stellglied (6) zur Beaufschlagung des Preßproduktes (8) mit der äußeren Kraft aufweist. - Strangpreßanlage nach Anspruch 4,
dadurch gekennzeichnet, daß der Gegenholm (102; 202) in Relation zur Holmbreite mehrfach höher und in Zwei-Säulen-Bauweise (13a, 13b) ausgeführt ist. - Strangpreßanlage nach Anspruch 4,
gekennzeichnet durch
einen dem Stellglied (6) zugeordneten Gegenhalter (10).
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10111062 | 2001-03-08 | ||
DE10111062A DE10111062A1 (de) | 2001-03-08 | 2001-03-08 | Verfahren und Strangpreßanlage, insbesondere zum Herstellen von gekrümmten Strangpreßprodukten |
PCT/DE2002/000628 WO2002072292A1 (de) | 2001-03-08 | 2002-02-21 | Verfahren zum strangpressen und strangpressanlage, insbesondere zum herstellen von gekrümmten strangpressprodukten |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1372877A1 EP1372877A1 (de) | 2004-01-02 |
EP1372877B1 true EP1372877B1 (de) | 2005-06-08 |
Family
ID=7676675
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP02712801A Expired - Lifetime EP1372877B1 (de) | 2001-03-08 | 2002-02-21 | Verfahren zum strangpressen und strangpressanlage, insbesondere zum herstellen von gekrümmten strangpressprodukten |
Country Status (8)
Country | Link |
---|---|
US (1) | US7201571B2 (de) |
EP (1) | EP1372877B1 (de) |
JP (1) | JP3984549B2 (de) |
KR (1) | KR100873612B1 (de) |
AT (1) | ATE297268T1 (de) |
DE (2) | DE10111062A1 (de) |
ES (1) | ES2243702T3 (de) |
WO (1) | WO2002072292A1 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10141328B4 (de) * | 2001-08-28 | 2005-04-14 | Sms Eumuco Gmbh | Verfahren und Vorrichtung zum Stangpressen von gekrümmten Strangpreßprofilen |
DE10340772A1 (de) * | 2003-09-02 | 2005-03-24 | Sms Eumuco Gmbh | Verfahren und Vorrichtung zum Strangpressen von gekrümmten Strangpressprofilen |
US10179435B2 (en) | 2012-07-10 | 2019-01-15 | U.S. Farathane Corporation | Roof ditch molding assembly and process with heated air assist |
US10071522B2 (en) | 2012-07-10 | 2018-09-11 | U.S. Farathane Corporation | Roof ditch molding process incorporating conformed shaping features in a molding fixture |
US9637175B2 (en) * | 2015-08-13 | 2017-05-02 | Ford Global Technologies, Llc | Extruded vehicle body component |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2422953A (en) * | 1942-12-14 | 1947-06-24 | Cellomold Ltd | Process and apparatus for extruding |
US3425092A (en) * | 1964-07-24 | 1969-02-04 | Jun Taga | Apparatus for moulding sections of circularly bent tubing from thermoplastic material |
US3748077A (en) * | 1965-10-18 | 1973-07-24 | Phillips Petroleum Co | Apparatus for producing pipe having a bend |
US3490113A (en) * | 1967-06-05 | 1970-01-20 | Certain Teed Prod Corp | Apparatus for making curved plastic shapes |
US4929167A (en) * | 1987-06-12 | 1990-05-29 | Pepper Kenneth V | Apparatus for producing a helical tube |
US4906171A (en) * | 1988-06-17 | 1990-03-06 | Gencorp Inc. | Directed flow die assembly |
JPH02137612A (ja) | 1988-11-16 | 1990-05-25 | Showa Alum Corp | 押出加工装置 |
JPH0347615A (ja) | 1989-07-11 | 1991-02-28 | Showa Alum Corp | 湾曲状真空用アルミニウム中空押出型材の製造方法 |
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 |
DK0644822T3 (da) | 1992-06-08 | 1999-03-08 | Btg Int Ltd | Forbedringer af eller relateret til fremgangsmåder og apparatur til kontinuerlig dannelse af et ekstruderet produkt |
US5424023A (en) * | 1993-06-03 | 1995-06-13 | Crane Plastics Company Limited Partnership | Apparatus and method of forming curved extruded products |
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 |
DE19716292C2 (de) | 1997-04-18 | 2001-02-01 | Daimler Chrysler Ag | Strangpreßvorrichtung |
US6309588B1 (en) * | 1999-06-04 | 2001-10-30 | Dana Corporation | Process and apparatus for bending thin-wall plastic tubing |
DE10141328B4 (de) * | 2001-08-28 | 2005-04-14 | Sms Eumuco Gmbh | Verfahren und Vorrichtung zum Stangpressen von gekrümmten Strangpreßprofilen |
-
2001
- 2001-03-08 DE DE10111062A patent/DE10111062A1/de not_active Withdrawn
-
2002
- 2002-02-21 EP EP02712801A patent/EP1372877B1/de not_active Expired - Lifetime
- 2002-02-21 WO PCT/DE2002/000628 patent/WO2002072292A1/de active IP Right Grant
- 2002-02-21 AT AT02712801T patent/ATE297268T1/de active
- 2002-02-21 ES ES02712801T patent/ES2243702T3/es not_active Expired - Lifetime
- 2002-02-21 US US10/471,033 patent/US7201571B2/en not_active Expired - Fee Related
- 2002-02-21 DE DE50203343T patent/DE50203343D1/de not_active Expired - Lifetime
- 2002-02-21 JP JP2002571244A patent/JP3984549B2/ja not_active Expired - Fee Related
- 2002-02-21 KR KR1020037011511A patent/KR100873612B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
JP2004524157A (ja) | 2004-08-12 |
EP1372877A1 (de) | 2004-01-02 |
DE50203343D1 (de) | 2005-07-14 |
KR100873612B1 (ko) | 2008-12-12 |
ES2243702T3 (es) | 2005-12-01 |
ATE297268T1 (de) | 2005-06-15 |
DE10111062A1 (de) | 2002-09-19 |
JP3984549B2 (ja) | 2007-10-03 |
US20040080076A1 (en) | 2004-04-29 |
US7201571B2 (en) | 2007-04-10 |
WO2002072292A1 (de) | 2002-09-19 |
KR20030093226A (ko) | 2003-12-06 |
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