EP1169146B1 - Verfahren und vorrichtung zur herstellung von gekrümmten strangpressprofilen - Google Patents
Verfahren und vorrichtung zur herstellung von gekrümmten strangpressprofilen Download PDFInfo
- Publication number
- EP1169146B1 EP1169146B1 EP01907516A EP01907516A EP1169146B1 EP 1169146 B1 EP1169146 B1 EP 1169146B1 EP 01907516 A EP01907516 A EP 01907516A EP 01907516 A EP01907516 A EP 01907516A EP 1169146 B1 EP1169146 B1 EP 1169146B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- die
- extrusion
- tool
- mandrel
- tool holder
- 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
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
-
- 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
- B21C25/02—Dies
Definitions
- the invention relates to a method and a Device for the production of curved workpieces, the workpiece in the die of an extrusion press is formed and this in the strand exit direction leaves (see e.g. US-A-5 305 626).
- Curved aluminum profiles are in different areas of technology used, especially in rail, road and Aircraft industry. These workpieces become conventional by straight extrusion followed by Stretch bending manufactured.
- the object of the present invention is with as little effort as possible also with smaller radii Allow extrusion curving and to expand the product range to be manufactured.
- an extrusion device for Production of curved workpieces with one Tool holder, in its opening Press tool package consisting of a die with or is arranged without a mandrel and a cover provided that those producing the emerging strand Guide surfaces of the die and / or mandrel accordingly the strand exit direction is inclined or are arranged, and that the strand exit direction in an angle of attack to the central axis of the die runs against the later curvature of the workpiece.
- the conventional press tool package consists of a Die 1, a mandrel part 2 with mandrel 4 and on both sides Guide surfaces 3 between the mandrel 4 and the die 1.
- arrow A is the exit direction of the Extruded profile called the conventional extrusion press (Fig. 1) with the The central axis M of the die 1 coincides.
- the basic idea of the present invention namely the Strand exit direction A opposite to the later Curvature of the workpiece by an angle of attack S can be inclined relative to the center line M, can be achieved in different ways.
- the guide surfaces 3 of die 1 are located and mandrel 4 obliquely with respect to the central axis M of the Die 1.
- the arrow A in FIG. 2 therefore indicates the desired oblique strand exit direction at the against the later curvature of the workpiece W (dotted line in Fig. 3).
- the slope Guide surface 3 can be through on the mandrel side appropriate processing of the mandrel 4 or by the Realize inclination.
- FIG. 3 shows the present invention conventional tool holder 6 a modified Press tool, consisting of a die 1 and a Mandrel part 2 shown.
- the modification exists in that the pressing tool on the circumference accordingly the angle of attack S has oblique flats, so that it is in conjunction with a wedge-shaped backing 7 obliquely into the receiving opening 9 of the tool holder 6 can be used.
- a wedge-shaped backing 7 obliquely into the receiving opening 9 of the tool holder 6 can be used.
- the variant of the shown in Figure 4 basic idea according to the invention shows a pressing device with an inclined in the tool holder 6 Receiving opening 9 in which a conventional Press tool is used. This is about a conventional cover 8 held the die 1 and the mandrel part 2 against the front of the obliquely in Tool holder 6 pushing receiving opening 9 presses. If appropriate, combinations of alternatives explained above are selected, where, for example, inclined guide surfaces 3 one inserted obliquely by the angle of attack S. Press tool or beveled peripheral sides of the Die 1 or the mandrel part 2 with an oblique extending receiving opening 9 can be combined can. It should always be noted that the Strand exit direction A opposite to oblique later curvature of the workpiece.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Of Metal (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
- Schrägstellung der Führungsflächen der Matrize und ggf. des Dorns,
- Einbau eines konventionellen Preßwerkzeuges in einem modifizierten Werkzeughalter und/oder durch
- Einbau eines schräg abgeflachten Preßwerkzeuges in einen konventionellen Werkzeughalter.
- Fig. 1
- Konventionelles Preßwerkzeug nach dem Stand der Technik;
- Fig. 2
- erfindungsgemäß ausgebildete Preßvorrichtung mit schrägen Führungsflächen und schräg angeordnetem Dorn;
- Fig. 3
- erfindungsgemäß ausgebildete Preßvorrichtung mit schrägem Preßwerkzeug in einem konventionellen Werkzeughalter;
- Fig. 4
- erfindungsgemäß ausgebildete Preßvorricihtung mit schräg ausgebildetem Werkzeughalter und konventionellem Preßwerkzeug.
Claims (5)
- Verfahren zur Herstellung von gekrümmten Werkstücken, wobei ein Strangpreßprofil die Matrize (1) einer Strangpresse in Strangaustrittsrichtung verläßt und danach durch Einwirken äußerer Kräfte in eine Krümmung gebogen wird,
dadurch gekennzeichnet, daß das Strangpreßprofil beim Austritt aus der Matrize (1) vor dem Biegen derart abgelenkt wird, daß die Strangaustrittsrichtung (A) schräg nach vorne entgegen der späteren Krümmung des Werkstücks verläuft. - Strangpreßvorrichtung zur Herstellung von gekrümmten Werkstücken mit einem Werkzeughalter (6), in dessen Aufnahmeöffnung ein Preßwerkzeugpaket bestehend aus einer Matrize (1) mit oder ohne Dorn (4) und einem Abdeckteil (8) angeordnet ist,
dadurch gekennzeichnet, daß die den austretenden Strang erzeugenden Führungsflächen (3) von Matrize (1) und/oder Dorn (4) entsprechend der Strangaustrittsrichtung (A) schräg ausgebildet bzw. angeordnet sind und daß die Strangaustrittsrichtung in einem Anstellwinkel (5) zur Mittelachse (M) der Matrize (1) entgegen der späteren Krümmung des Werkstücks verläuft. - Strangpreßvorrichtung nach Anspruch 2
dadurch gekennzeichnet, daß das Preßwerkzeugpaket entsprechend der Strangaustrittsrichtung schräg in einem konventionellen Werkzeughalter (6) eingebaut ist. - Strangpreßvorrichtung nach Anspruch 2
dadurch gekennzeichnet, daß der Werkzeughalter (6) eine entsprechend der Strangaustrittsrichtung (A) schräge Aufnahmeöffnung (9) aufweist, in welche ein konventionell ausgebildetes Preßwerkzeug eingesetzt ist. - Strangpreßvorrichtung nach Anspruch 3
dadurch gekennzeichnet, daß in die Aufnahmeöffnung (9) des Werkzeughalters (6) eine keilförmige Hinterlage (7) eingesetzt ist und das Preßwerkzeugpaket umfangsseitig entsprechend der Strangaustrittsrichtung (A) abgeschrägt ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10005903 | 2000-02-10 | ||
DE10005903 | 2000-02-10 | ||
PCT/EP2001/001415 WO2001058613A1 (de) | 2000-02-10 | 2001-02-09 | Verfahren und vorrichtung zur herstellung von gekrümmten strangpressprofilen |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1169146A1 EP1169146A1 (de) | 2002-01-09 |
EP1169146B1 true EP1169146B1 (de) | 2004-05-06 |
Family
ID=7630457
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01907516A Expired - Lifetime EP1169146B1 (de) | 2000-02-10 | 2001-02-09 | Verfahren und vorrichtung zur herstellung von gekrümmten strangpressprofilen |
Country Status (11)
Country | Link |
---|---|
US (1) | US6634200B2 (de) |
EP (1) | EP1169146B1 (de) |
JP (1) | JP3632002B2 (de) |
AT (1) | ATE265902T1 (de) |
CA (1) | CA2366497A1 (de) |
DE (1) | DE50102182D1 (de) |
DK (1) | DK1169146T3 (de) |
ES (1) | ES2220719T3 (de) |
NO (1) | NO318742B1 (de) |
TW (1) | TW558458B (de) |
WO (1) | WO2001058613A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10110035B4 (de) * | 2001-03-02 | 2005-05-04 | Sms Eumuco Gmbh | Auslaufeinrichtung einer Strangpressanlage |
DE10236299A1 (de) * | 2002-08-08 | 2004-02-19 | Sms Eumuco Gmbh | Strangpresse, insbesondere zum Herstellen von gekrümmten Strangpreßprodukten |
DE10311169A1 (de) * | 2003-03-12 | 2004-09-23 | Sms Eumuco Gmbh | Vorrichtung zum Strangpressen von gekrümmten Strangpreßprofilen |
DE10329696B3 (de) * | 2003-07-02 | 2005-03-03 | WKW Erbslöh Automotive GmbH | Verfahren zur Herstellung einer Mehrzahl gekrümmter Strangpressprofile |
DE10329697B3 (de) * | 2003-07-02 | 2005-01-20 | WKW Erbslöh Automotive GmbH | Verfahren zur Herstellung von gekrümmten Werkstücken durch Strangpressen und Runden |
DE10340772A1 (de) * | 2003-09-02 | 2005-03-24 | Sms Eumuco Gmbh | Verfahren und Vorrichtung zum Strangpressen von gekrümmten Strangpressprofilen |
CN101905249B (zh) * | 2010-07-30 | 2012-01-04 | 长沙仲腾金属材料科技有限公司 | 一种结合在线淬火控温的弯曲型材短流程加工方法和装置 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1789675A (en) * | 1927-02-09 | 1931-01-20 | Ig Farbenindustrie Ag | Die extrusion method and apparatus |
US2738873A (en) * | 1953-12-22 | 1956-03-20 | Schloemann Ag | Manufacture of practically endless extrusion products |
JPS5641013A (en) | 1979-09-11 | 1981-04-17 | Toyota Motor Corp | Method and apparatus for straightening bend of extruded product |
DE2943960C2 (de) * | 1979-10-31 | 1985-03-21 | Christian Zürich Ragettli | Einrichtung zum Herstellen eines Rohrbogens |
JPS58184012A (ja) | 1982-04-21 | 1983-10-27 | Sankyo Alum Ind Co Ltd | 曲がり形材の製造方法 |
US4906171A (en) * | 1988-06-17 | 1990-03-06 | Gencorp Inc. | Directed flow die assembly |
NL9200138A (nl) * | 1992-01-24 | 1993-08-16 | Reynolds Aluminium Bv | Extrusiewerkwijze en extrusieinrichting. |
RU2106968C1 (ru) * | 1992-06-08 | 1998-03-20 | Бритиш Текнолоджи груп Лтд. | Способ непрерывного образования экструдируемого изделия и устройство для его осуществления |
DE19716292C2 (de) * | 1997-04-18 | 2001-02-01 | Daimler Chrysler Ag | Strangpreßvorrichtung |
JP3643262B2 (ja) * | 1999-06-24 | 2005-04-27 | 独立行政法人科学技術振興機構 | ダイスシフトを使用した押し出し加工法およびその装置 |
-
2001
- 2001-02-09 CA CA002366497A patent/CA2366497A1/en not_active Abandoned
- 2001-02-09 AT AT01907516T patent/ATE265902T1/de not_active IP Right Cessation
- 2001-02-09 ES ES01907516T patent/ES2220719T3/es not_active Expired - Lifetime
- 2001-02-09 DK DK01907516T patent/DK1169146T3/da active
- 2001-02-09 US US09/958,492 patent/US6634200B2/en not_active Expired - Fee Related
- 2001-02-09 WO PCT/EP2001/001415 patent/WO2001058613A1/de active IP Right Grant
- 2001-02-09 JP JP2001557707A patent/JP3632002B2/ja not_active Expired - Fee Related
- 2001-02-09 DE DE50102182T patent/DE50102182D1/de not_active Expired - Lifetime
- 2001-02-09 EP EP01907516A patent/EP1169146B1/de not_active Expired - Lifetime
- 2001-02-10 TW TW090103183A patent/TW558458B/zh not_active IP Right Cessation
- 2001-10-09 NO NO20014914A patent/NO318742B1/no not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CA2366497A1 (en) | 2001-08-16 |
NO20014914D0 (no) | 2001-10-09 |
NO318742B1 (no) | 2005-05-02 |
US6634200B2 (en) | 2003-10-21 |
TW558458B (en) | 2003-10-21 |
JP2003522025A (ja) | 2003-07-22 |
EP1169146A1 (de) | 2002-01-09 |
DK1169146T3 (da) | 2004-06-01 |
US20030094028A1 (en) | 2003-05-22 |
DE50102182D1 (de) | 2004-06-09 |
JP3632002B2 (ja) | 2005-03-23 |
ATE265902T1 (de) | 2004-05-15 |
NO20014914L (no) | 2001-11-27 |
WO2001058613A1 (de) | 2001-08-16 |
ES2220719T3 (es) | 2004-12-16 |
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