EP1462190B1 - Verfahren und Vorrichtung zum inkrementellen Formen - Google Patents
Verfahren und Vorrichtung zum inkrementellen Formen Download PDFInfo
- Publication number
- EP1462190B1 EP1462190B1 EP03255335A EP03255335A EP1462190B1 EP 1462190 B1 EP1462190 B1 EP 1462190B1 EP 03255335 A EP03255335 A EP 03255335A EP 03255335 A EP03255335 A EP 03255335A EP 1462190 B1 EP1462190 B1 EP 1462190B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- workpiece
- form portion
- forming
- incremental forming
- incremental
- 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
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Images
Classifications
-
- 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
- B21D22/14—Spinning
- B21D22/18—Spinning using tools guided to produce the required profile
-
- 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
- B21D22/14—Spinning
-
- 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
- B21D31/00—Other methods for working sheet metal, metal tubes, metal profiles
- B21D31/005—Incremental shaping or bending, e.g. stepwise moving a shaping tool along the surface of the workpiece
Definitions
- the present invention relates to an incremental forming method and an incremental forming apparatus.
- Patent document 1 Japanese Patent Laid-Open Publication No. 2002-1444 (European Patent Application Publication No. 1147832 A2) discloses an incremental forming method according to which a rod shaped tool is applied to the surface of a metal plate material and incremental forming is performed by shaping the plate member with the tool along a contour line corresponding to the shape of the product to be formed.
- JP 11-207413 shows another example of a prior art incremental forming apparatus and method.
- a workpiece is held on a workpiece holder by a workpiece clamp and incrementally formed using a rotary incremental forming tool.
- FIG. 1 is a perspective view showing the product manufactured through incremental forming that applies the present invention.
- the product comprises a primary form portion 10 having a two-dimensional curved cross-sectional shape, and a secondary form portion 20 having a three-dimensional shape and protruding from the center of the primary form portion 10.
- FIGS. 5 through 9 illustrate the conventional process for manufacturing the product 1 through conventional incremental forming.
- a forming jig 100 disposed on a table 50 includes a first mold member 110 corresponding to the primary form portion 10 of the product and a second mold member 120 corresponding to the secondary form portion 20 of the product.
- a metal plate 140 being the workpiece (base material) is a flat plate-shaped member, having its periphery supported by a workpiece holder 130 and a workpiece clamp 150.
- the workpiece holder 130 can be lowered from the peak area of the second mold member.
- An incremental forming tool 160 has an axis that is disposed along the perpendicular direction Z, and is capable of moving both in the horizontal direction X, Y and perpendicular direction Z.
- FIG. 6 is a schematic view of the conventional incremental forming
- FIG. 7 shows the forming path.
- the incremental forming tool 160 moves along the X-Y axis parallel to the upper surface of a plate-shaped workpiece 140, whilemoving in the Z axis direction corresponding to a pitch P at a time.
- the incremental forming tools 160 illustrated in each of the drawings in FIG. 8, actually there is only one incremental forming tool.
- Three tools 160 are illustrated in each drawing to show that the tool is moved along a contour line.
- FIG. 9(a) shows a state in which the incremental forming process is completed and a primary form portion 10 and a secondary form portion 20 are created on the workpiece 140.
- the workpiece 140 is subjected to an appropriate trimming process C 1 for trimming the peripheral area of the workpiece to correspond to the product, thereby forming the product 1.
- the workpiece 140 is left with an end material having a space 142 from which the product is cut out by the trimming, which causes deterioration of the yield factor of the material.
- the present invention aims at providing a method and apparatus for incremental forming that overcomes the above-mentioned problems of the prior art.
- the three-dimensional incremental forming method according to the present invention is as set forth in claim 1.
- the incremental forming apparatus according to the present invention is as set forth in claim 4.
- FIGS. 2 through 4 are explanatory views illustrating the method for creating a product by the incremental forming according to the present invention.
- a forming jig 200 positioned on a table 50 comprises only a mold member 220 corresponding to a secondary form portion of the product.
- a metal plate 240 being the workpiece (material) is formed in advance into a curved plate having a two-dimensional curved surface that corresponds to a primary formportion of the product.
- a workpiece holder 230 comprises a holder surface 232 that corresponds to the curved surface of the workpiece 240.
- a workpiece clamp 250 has a clamp surface 252 that corresponds to the curved surface of the workpiece 240.
- an incremental forming tool 260 and the table are relatively moved along the planar shape of the secondary form portion on an X-Y plane, and when the incremental forming tool 260 is relatively moved in the Y axis direction, the tool 260 is controlled so that it moves along the primary form portion, that is, along the curved surface of the workpiece 240.
- the incremental forming tool 260 is advanced by a predetermined pitch P 2 to create the secondary form portion, in a manner similar to the conventional incremental forming.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Making Paper Articles (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Paper (AREA)
Claims (4)
- Inkrementelles Formverfahren zum Bilden eines Produkts (1) mit einem ersten Formteil (10), das einen Querschnitt mit zweidimensionaler gekrümmter Ebene aufweist, und einem zweiten Formteil (20), das eine dreidimensionale, an einem Abschnitt des ersten Formteils (10) gebildete Gestalt aufweist, wobei in dem inkrementellen Formverfahren:ein Werkstück (240) mit einer dem ersten Formteil (10) entsprechenden gekrümmten Ebene vorbereitet wird; unddas zweite Formteil (20) mit der dreidimensionalen Gestalt durch inkrementelles Formen des Abschnitts des Werkstücks gebildet wird, indem eine Formschablone (200) mit einer dem zweiten Formteil (20) entsprechenden Gestalt verwendet wird.
- Inkrementelles Formverfahren nach Anspruch 1, wobei
während dem inkrementellen Formprozeß zum Bilden des zweiten Formteils (20) ein inkrementelles Formwerkzeug (260) längs eines Pfads bewegt wird, der parallel zu der gekrümmten Ebene des ersten Formteils (10) verläuft. - Inkrementelles Formverfahren nach Anspruch 2, wobei ein Umfang des Werkstücks (240) mit einem Werkstückhalter (230) und einer Werkstückklemme-(250) mit gekrümmten Flächen entsprechend der gekrümmten Ebene des Werkstücks (240) gehalten wird.
- Inkrementelles Formgerät zum Bilden eines Produkts (1) mit einem ersten Formteil, das einen Querschnitt mit einer zweidimensionalen gekrümmten Ebene aufweist, und einem zweiten Formteil (20), das eine dreidimensionale, an einem Abschnitt des ersten Formteils (10) gebildete Gestalt aufweist, wobei das Gerät aufweist:einen Tisch, an dem ein Werkstückhalter (230) und eine Werkstückklemme (250) zum umfangsweisen Halten eines Werkstücks (240) befestigt ist; undein inkrementelles Formwerkzeug (260) mit einer Achse, die im wesentlichen senkrecht zu dem Tisch angeordnet ist,wobei das Gerät ferner eine Formschablone (200) mit einer dem zweiten Formteil (20) entsprechenden Gestalt aufweist, undwobei der Werkstückhalter (230) und die Werkstückklemme (240) gekrümmte Flächen aufweisen, die einer gekrümmten Fläche des Werkstücks (240) entsprechen.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003089942A JP4322033B2 (ja) | 2003-03-28 | 2003-03-28 | 逐次成形加工方法及び装置 |
JP2003089942 | 2003-03-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1462190A1 EP1462190A1 (de) | 2004-09-29 |
EP1462190B1 true EP1462190B1 (de) | 2006-03-29 |
Family
ID=32821576
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03255335A Expired - Lifetime EP1462190B1 (de) | 2003-03-28 | 2003-08-28 | Verfahren und Vorrichtung zum inkrementellen Formen |
Country Status (9)
Country | Link |
---|---|
US (1) | US20040187548A1 (de) |
EP (1) | EP1462190B1 (de) |
JP (1) | JP4322033B2 (de) |
KR (1) | KR100545293B1 (de) |
CN (1) | CN1282509C (de) |
AT (1) | ATE321617T1 (de) |
AU (1) | AU2003244039A1 (de) |
DE (1) | DE60304298T2 (de) |
TW (1) | TWI288671B (de) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7984635B2 (en) | 2005-04-22 | 2011-07-26 | K.U. Leuven Research & Development | Asymmetric incremental sheet forming system |
US8322176B2 (en) * | 2009-02-11 | 2012-12-04 | Ford Global Technologies, Llc | System and method for incrementally forming a workpiece |
US8733143B2 (en) | 2010-07-15 | 2014-05-27 | Ford Global Technologies, Llc | Method of incremental forming with successive wrap surfaces |
US8783078B2 (en) | 2010-07-27 | 2014-07-22 | Ford Global Technologies, Llc | Method to improve geometrical accuracy of an incrementally formed workpiece |
US8302442B2 (en) | 2010-07-29 | 2012-11-06 | Ford Global Technologies, Llc | Method of incrementally forming a workpiece |
JP6072433B2 (ja) * | 2012-05-23 | 2017-02-01 | 株式会社アミノ | 遂次成形方法及び装置 |
JP2013252557A (ja) * | 2012-06-08 | 2013-12-19 | Amino:Kk | 遂次成形方法 |
US9038999B2 (en) * | 2012-08-10 | 2015-05-26 | Ford Global Technologies, Llc | Fixture assembly for forming prototype parts on an incremental forming machine |
US9635714B2 (en) | 2013-05-06 | 2017-04-25 | The Boeing Company | Incremental sheet forming for fabrication of cold sprayed smart susceptor |
DE102014014202A1 (de) * | 2014-09-22 | 2016-03-24 | Technische Universität Dortmund | Verfahren und Vorrichtung zur kombinierten Herstellung von Bauteilen mittels inkrementeller Blechumformung und additiver Verfahren in einer Aufspannung |
US10144048B2 (en) | 2014-11-19 | 2018-12-04 | Ford Global Technologies, Llc | High stiffness and high access forming tool for incremental sheet forming |
US10478897B2 (en) * | 2017-01-04 | 2019-11-19 | GM Global Technology Operations LLC | Sheet metal system and manufacturing process joining incremental forming and direct metal deposition |
US10976716B2 (en) * | 2018-03-16 | 2021-04-13 | The Boeing Company | Generating a plurality of curved transitions connecting planar parallel alternating paths for forming a workpiece |
CN112517746B (zh) * | 2019-09-17 | 2022-07-12 | 东南大学 | 一种自适应控制渐进成形方法 |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2378413A (en) * | 1942-09-24 | 1945-06-19 | Cairns Corp | Device for shaping metal sheets |
US2434379A (en) * | 1944-12-16 | 1948-01-13 | Glenn L Martin Co | Apparatus and method of stretch pressing metal sheets |
US3021887A (en) * | 1956-07-19 | 1962-02-20 | Rohr Aircraft Corp | Titanium stretch forming |
US3478553A (en) * | 1962-02-14 | 1969-11-18 | Budd Co | Method of forming sandwich panels |
US5035133A (en) * | 1990-02-09 | 1991-07-30 | Rohr Industries, Inc. | Method and apparatus for hot die draw forming metal sheets |
DE4137453C1 (de) * | 1991-11-14 | 1992-05-27 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
ATE221423T1 (de) * | 1997-09-18 | 2002-08-15 | Cosma Int Inc | Streck- und ziehwerkzeug und zugehöriges verfahren |
JPH11207413A (ja) * | 1998-01-21 | 1999-08-03 | Toyota Central Res & Dev Lab Inc | インクリメンタル成形方法 |
KR100319767B1 (ko) * | 1998-01-29 | 2002-01-05 | 아미노 히로유키 | 판재의 다이 없는 성형장치 |
JP3753608B2 (ja) * | 2000-04-17 | 2006-03-08 | 株式会社日立製作所 | 逐次成形方法とその装置 |
US6532786B1 (en) * | 2000-04-19 | 2003-03-18 | D-J Engineering, Inc. | Numerically controlled forming method |
JP2002102945A (ja) * | 2000-09-25 | 2002-04-09 | Honda Motor Co Ltd | 逐次張出し成形用工具 |
DE10303458A1 (de) * | 2003-01-29 | 2004-08-19 | Amino Corp., Fujinomiya | Verfahren und Vorrichtung zum Formen dünner Metallbleche |
JP4209233B2 (ja) * | 2003-03-28 | 2009-01-14 | 株式会社日立製作所 | 逐次成形加工装置 |
-
2003
- 2003-03-28 JP JP2003089942A patent/JP4322033B2/ja not_active Expired - Lifetime
- 2003-08-19 TW TW092122780A patent/TWI288671B/zh not_active IP Right Cessation
- 2003-08-28 DE DE60304298T patent/DE60304298T2/de not_active Expired - Lifetime
- 2003-08-28 AT AT03255335T patent/ATE321617T1/de not_active IP Right Cessation
- 2003-08-28 EP EP03255335A patent/EP1462190B1/de not_active Expired - Lifetime
- 2003-08-29 US US10/650,808 patent/US20040187548A1/en not_active Abandoned
- 2003-08-29 KR KR1020030060143A patent/KR100545293B1/ko active IP Right Grant
- 2003-09-01 CN CNB031557422A patent/CN1282509C/zh not_active Expired - Lifetime
- 2003-09-01 AU AU2003244039A patent/AU2003244039A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP2004291065A (ja) | 2004-10-21 |
TW200418591A (en) | 2004-10-01 |
DE60304298T2 (de) | 2006-11-16 |
KR100545293B1 (ko) | 2006-01-24 |
DE60304298D1 (de) | 2006-05-18 |
US20040187548A1 (en) | 2004-09-30 |
EP1462190A1 (de) | 2004-09-29 |
ATE321617T1 (de) | 2006-04-15 |
TWI288671B (en) | 2007-10-21 |
CN1533853A (zh) | 2004-10-06 |
KR20040086090A (ko) | 2004-10-08 |
AU2003244039A1 (en) | 2004-10-14 |
CN1282509C (zh) | 2006-11-01 |
JP4322033B2 (ja) | 2009-08-26 |
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