EP2720813A1 - Verfahren zur herstellung geschlitzter hohlprofile - Google Patents
Verfahren zur herstellung geschlitzter hohlprofileInfo
- Publication number
- EP2720813A1 EP2720813A1 EP12726804.3A EP12726804A EP2720813A1 EP 2720813 A1 EP2720813 A1 EP 2720813A1 EP 12726804 A EP12726804 A EP 12726804A EP 2720813 A1 EP2720813 A1 EP 2720813A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hollow profile
- blank
- hollow
- section
- edge
- 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
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 23
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 6
- 229910052697 platinum Inorganic materials 0.000 claims description 3
- 238000007493 shaping process Methods 0.000 abstract 1
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000004323 axial length Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 101100008044 Caenorhabditis elegans cut-1 gene Proteins 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
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
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/065—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes starting from a specific blank, e.g. tailored blank
-
- 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
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/08—Making tubes with welded or soldered seams
- B21C37/0815—Making tubes with welded or soldered seams without continuous longitudinal movement of the sheet during the bending operation
-
- 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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/01—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments
- B21D5/015—Bending sheet metal along straight lines, e.g. to form simple curves between rams and anvils or abutments for making tubes
Definitions
- the invention relates to a method for producing slotted hollow profiles from a cut board, in which the hollow profile of the substantially planar board using the Einrolltechnik or under
- slotted hollow profiles so-called slot profiles, which consists of a substantially planar board using a U-O-forming or under
- Designation InnForm T 3 ® technology of the applicant is known, manufactured and along the longitudinal slot
- a hollow profile from a board blank using a multi-side press, single presses or press lines for example as a follow-on composite understood
- the presses usually flat platinum blank usually by forming and bending operations with or without the use of a mold core reshape.
- a substantially planar board blank is first formed into a U-shape using a corresponding punch and die, and then formed into an O-shape using a second die top.
- the UO-forming can also be done in press lines. Both in the application of Einrolltechnik as well as the use of UO-forming but it comes to springback and elastic
- German patent DE 103 29 424 B4 is known to select the board blank in the production of hollow profiles with variable in longitudinal section so that in the transition areas, a material surplus or a lack of material is provided so that when forming the hollow profile no material thickening or Dilutions occur at the transition areas.
- German patent DE 100 45 938 Cl relates to a method for the production of closed hollow profiles, in which the opposite edges of the board blank can be completely brought to shock in order to be able to be welded in a simple manner without the use of additional materials. This is achieved by first bending or roll forming the board blank in a form-bending tool so that the longitudinal edges of the blank are bumped. During this bend or
- Rollformvorganges is the sheet metal blank over a
- the present invention has the object to provide a method for the production of closed hollow profiles available, with which in a simple way high-dimensional slotted
- Hollow profiles can be produced, which can be easily joined to closed hollow profiles.
- the object is achieved in that the board blank in the locally provided cross-sectional areas provides a greater circumferential length than the necessary Einformin, so that in the forming of the board blank to a closed
- Forming in the final shape at least the adjacent edge edges of the surfaces of the hollow profile are at least partially compressed in the circumferential direction.
- the board blank in the example provided locally cross-sectional areas should be selected so that the board blank in these areas a larger circumferential length than the required Einformmother provides.
- the Einformmother is the measure of
- Method can provide a dimensional basis
- Circumferential length of the board blank in the locally provided cross-sectional areas is at least 1% to 10%, preferably 2% to 5% of the necessary Einforminate.
- the nominal circumferential length in the locally provided cross-sectional areas corresponds to the actual extent required for
- the excess length is distributed symmetrically on both edge regions to the forming of the
- Blade blank and upsetting of the hollow profile to facilitate.
- the method according to the invention can be further improved by upsetting the hollow profile over its entire cross section. This is the case in particular if the hollow profile has a round, for example a circular or an elliptical cross-sectional area. According to a next embodiment of the method according to the invention, the hollow profile is along the entire
- Edge impact compressed This ensures that the springback of the hollow profile over the entire axial length of the edge impact is reduced and thus a high-dimensional edge impact can be provided.
- the hollow profile in these areas are compressed over the entire cross section.
- the hollow profile produced at least partially a box-shaped or polygonal cross-section, so that in particular at least the voltage applied to the edge impact surfaces of the hollow profile can be compressed using the method according to the invention and also a high-dimensional edge impact can be provided.
- the inventive method is to any one of
- Length excess can, in particular in conjunction with the tool design, also be dimensioned so that it has a minimal effect on the springback in all other surfaces.
- the method can be further developed in that the provided at the edge impact slot of the Hollow profile after forming, in particular using a laser beam is welded. Due to the
- Production method according to the invention does not matter whether the closed hollow profile to be produced has regionally different cross-sectional areas. Independent of it as well as the cross-sectional area itself
- Fig. 1 in perspective view a
- Blade blank for producing a tubular hollow profile
- Fig. 2 to Fig. 4 shows the board blank of Fig. 1 in the various stages of transformation of a U-0
- Blade blank for the production of a
- Fig. 1 a perspective view of a board blank 1 is shown in Fig. 1, which at the
- the board blank 1 is first formed into a U-shape, Fig. 2. This is usually done with a first die half using a punch, which transforms the flat board blank 1 in the U-shape. In the further reshaping of the board blank, as shown in Fig. 3, the U-shape is first closed, this is often achieved using an upper die half, so that the edge portions la, lb of the board blank 1 abut against each other. In the transformation of the
- the board blank 1 which has been shaped into a longitudinally slotted hollow profile, is compressed over its entire axial length in the circumferential direction.
- FIG. 5 Another embodiment of a board blank 3 is shown in FIG. 5 in a perspective view.
- Blade blank 3 is intended for the use of Einrolltechnik. In the Einrolltechnik a substantially planar board blank is using a
- Multi-page press single presses or press lines
- the length excess of the blank 3 in the circumferential direction can be variably varied depending on the shape of the hollow profile to be produced. It has been found that a choice of the length excess in the circumferential length of the blank blank of at least 1% to 10% of the necessary circumferential length or the Einformines, preferably 2% to 5% of the necessary Einforminmay particularly good results in terms of providing
- Fig. 6 of the already converted into a preform blanks 3 is shown, which is formed using a mandrel 4, a lower die half 5 and an upper die half 6 to the final shape.
- the over the axial length provided length excess of Blankenzuitess in personallysriehtung is used to compress that he delivering hollow section before forming in the final shape, so that the springback in the
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Laser Beam Processing (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011051160A DE102011051160A1 (de) | 2011-06-17 | 2011-06-17 | Verfahren zur Herstellung geschlitzter Hohlprofile |
PCT/EP2012/061002 WO2012171875A1 (de) | 2011-06-17 | 2012-06-11 | Verfahren zur herstellung geschlitzter hohlprofile |
Publications (3)
Publication Number | Publication Date |
---|---|
EP2720813A1 true EP2720813A1 (de) | 2014-04-23 |
EP2720813B1 EP2720813B1 (de) | 2014-10-01 |
EP2720813B2 EP2720813B2 (de) | 2018-06-27 |
Family
ID=46246080
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12726804.3A Active EP2720813B2 (de) | 2011-06-17 | 2012-06-11 | Verfahren zur herstellung geschlitzter hohlprofile |
Country Status (8)
Country | Link |
---|---|
US (1) | US8833128B2 (de) |
EP (1) | EP2720813B2 (de) |
JP (1) | JP5706042B2 (de) |
KR (1) | KR101974963B1 (de) |
CN (1) | CN103608132B (de) |
DE (1) | DE102011051160A1 (de) |
ES (1) | ES2526888T5 (de) |
WO (1) | WO2012171875A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3656480A3 (de) * | 2018-09-24 | 2020-06-24 | Benteler Automobiltechnik GmbH | U-o-formen eines um drei raumachsen gekrümmten bauteils |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6341292B2 (ja) * | 2014-10-03 | 2018-06-13 | 新日鐵住金株式会社 | プレス成形品の製造方法 |
CN107427879A (zh) | 2015-02-25 | 2017-12-01 | 新日铁住金株式会社 | 包括具有狭缝的管状部的金属成形品及其制造方法、以及其所使用的制造装置和模具 |
JP6989818B2 (ja) * | 2017-03-27 | 2022-01-12 | 株式会社ワイテック | 金属管の製造方法 |
CN110000523A (zh) * | 2019-05-13 | 2019-07-12 | 赵宫鼎 | 一种钣金制作工艺及其板状产品 |
CN111069362A (zh) * | 2019-12-27 | 2020-04-28 | 舆软科技(上海)有限责任公司 | 一种管状零件的成形方法 |
CN111872632B (zh) * | 2020-06-12 | 2023-06-20 | 中国二冶集团有限公司 | 一种开口管道制作方法 |
Family Cites Families (22)
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CH554716A (fr) * | 1972-04-24 | 1974-10-15 | Retmeca Sa | Procede de fabrication par formage de profiles tubulaires, machine pour la mise en oeuvre du procede et profile ainsi obtenu. |
US4018634A (en) † | 1975-12-22 | 1977-04-19 | Grotnes Machine Works, Inc. | Method of producing high strength steel pipe |
JPS5554217A (en) * | 1978-10-16 | 1980-04-21 | Taiho Kogyo Co Ltd | Manufacturing apparatus for cylindrical parts |
JPS59197315A (ja) * | 1983-04-22 | 1984-11-08 | Hideo Ogawa | エツジベンデイング方式による円管の送り曲げ成形法 |
JPS59199117A (ja) * | 1983-04-28 | 1984-11-12 | Nippon Kokan Kk <Nkk> | Uoe方式による鋼管製造法 |
DE8536655U1 (de) * | 1985-12-28 | 1986-02-27 | Metallwarenfabrik König GmbH, 7560 Gaggenau | Vorrichtung zur Herstellung von exakt kalibrierten Rohrstücken aus Blech |
DE4338467C1 (de) * | 1993-11-11 | 1995-02-23 | Roland Man Druckmasch | Verfahren zur Herstellung einer hülsenförmigen Druckform |
JP3194262B2 (ja) * | 1994-09-08 | 2001-07-30 | カルソニックカンセイ株式会社 | 圧延板材の造管方法 |
EP0884120B1 (de) † | 1997-06-11 | 2004-09-01 | Calsonic Kansei Corporation | Verfahren und Vorrichtung zum Herstellen eines Wasserkastenrohres |
DE10045938C1 (de) | 2000-09-16 | 2001-10-31 | Daimler Chrysler Ag | Verfahren zur Herstellung eines umfänglich geschlossenen Hohlprofiles |
DE10062836A1 (de) * | 2000-12-17 | 2002-06-27 | Hubert Schliekmann Gmbh | Verfahren zur Herstellung eines rohrförmigen Hohlkörpers |
WO2003099482A1 (fr) * | 2002-05-24 | 2003-12-04 | Nippon Steel Corporation | Tuyau en acier uoe presentant une excellente resistance aux impacts, et procede de fabrication du tuyau en acier uoe |
DE10329424B4 (de) * | 2003-07-01 | 2005-04-28 | Thyssenkrupp Stahl Ag | Verfahren zum Herstellen eines längsgeschlitzten Hohlprofils mit mehreren, im Querschnitt verschiedenen Längsabschnitten aus einer ebenen Blechplatine |
JP4263991B2 (ja) * | 2003-12-15 | 2009-05-13 | サクラ工業株式会社 | 異形曲がりテーパ管の製造方法並びにこの方法によって製造された異形曲がりテーパ管 |
DE102004041024B4 (de) * | 2004-08-25 | 2006-07-06 | Thyssenkrupp Steel Ag | Verfahren und Vorrichtung zum Herstellen eines längsnahtgeschweißten Hohlprofils |
DE102005057424B4 (de) * | 2005-11-30 | 2009-03-05 | Thyssenkrupp Steel Ag | Verfahren und Vorrichtung zum kernlosen Einformen von Hohlprofilen |
US7484298B2 (en) * | 2006-02-21 | 2009-02-03 | Gm Global Technology Operations, Inc. | Method for forming a complex-shaped tubular structure |
DE102006025522B4 (de) † | 2006-05-30 | 2012-01-12 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zur Herstellung strukturierter, geschlossener Hohlprofile |
DE102009003668B4 (de) * | 2009-03-24 | 2011-05-26 | Thyssenkrupp Steel Europe Ag | Vorrichtung und Verfahren zur Herstellung zumindest teilweise geschlossener Profile oder Halbzeuge aus einer Platine |
DE102010016960A1 (de) * | 2010-05-14 | 2011-11-17 | Thyssenkrupp Steel Europe Ag | Verfahren zur Herstellung von Hohlprofilen mit einem Längsflansch |
JP5803097B2 (ja) * | 2010-12-14 | 2015-11-04 | Jfeスチール株式会社 | 円筒成形加工用材料の設計方法および円筒成形加工品の製造方法 |
US8863369B2 (en) * | 2011-09-13 | 2014-10-21 | Composite Technology Development, Inc. | Slit tube locking longeron |
-
2011
- 2011-06-17 DE DE102011051160A patent/DE102011051160A1/de not_active Ceased
-
2012
- 2012-06-11 WO PCT/EP2012/061002 patent/WO2012171875A1/de active Application Filing
- 2012-06-11 EP EP12726804.3A patent/EP2720813B2/de active Active
- 2012-06-11 CN CN201280029779.9A patent/CN103608132B/zh not_active Expired - Fee Related
- 2012-06-11 ES ES12726804.3T patent/ES2526888T5/es active Active
- 2012-06-11 KR KR1020147001251A patent/KR101974963B1/ko active IP Right Grant
- 2012-06-11 JP JP2014515148A patent/JP5706042B2/ja not_active Expired - Fee Related
-
2013
- 2013-12-12 US US14/104,735 patent/US8833128B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2012171875A1 * |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3656480A3 (de) * | 2018-09-24 | 2020-06-24 | Benteler Automobiltechnik GmbH | U-o-formen eines um drei raumachsen gekrümmten bauteils |
US11577294B2 (en) | 2018-09-24 | 2023-02-14 | Benteler Automobiltechnik Gmbh | U-O forming of a component curved about three spatial axes |
EP4252931A3 (de) * | 2018-09-24 | 2024-03-13 | Benteler Automobiltechnik GmbH | U-o-formen eines um drei raumachsen gekrümmten bauteils |
Also Published As
Publication number | Publication date |
---|---|
US8833128B2 (en) | 2014-09-16 |
JP2014516801A (ja) | 2014-07-17 |
KR20140034913A (ko) | 2014-03-20 |
US20140096579A1 (en) | 2014-04-10 |
ES2526888T3 (es) | 2015-01-16 |
CN103608132A (zh) | 2014-02-26 |
EP2720813B1 (de) | 2014-10-01 |
DE102011051160A1 (de) | 2012-12-20 |
ES2526888T5 (es) | 2018-10-22 |
CN103608132B (zh) | 2016-05-25 |
JP5706042B2 (ja) | 2015-04-22 |
WO2012171875A1 (de) | 2012-12-20 |
KR101974963B1 (ko) | 2019-05-03 |
EP2720813B2 (de) | 2018-06-27 |
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