EP2635388A1 - Verfahren zum rollformen von profilen und dadurch hergestelles strukturteil - Google Patents
Verfahren zum rollformen von profilen und dadurch hergestelles strukturteilInfo
- Publication number
- EP2635388A1 EP2635388A1 EP11794399.3A EP11794399A EP2635388A1 EP 2635388 A1 EP2635388 A1 EP 2635388A1 EP 11794399 A EP11794399 A EP 11794399A EP 2635388 A1 EP2635388 A1 EP 2635388A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- component
- forming
- semifinished product
- roll forming
- roll
- 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.)
- Withdrawn
Links
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
- B21D5/00—Bending sheet metal along straight lines, e.g. to form simple curves
- B21D5/06—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles
- B21D5/08—Bending sheet metal along straight lines, e.g. to form simple curves by drawing procedure making use of dies or forming-rollers, e.g. making profiles making use of forming-rollers
-
- 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
- B21D5/008—Bending sheet metal along straight lines, e.g. to form simple curves combined with heating or cooling of the bends
-
- 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
- B21D11/00—Bending not restricted to forms of material mentioned in only one of groups B21D5/00, B21D7/00, B21D9/00; Bending not provided for in groups B21D5/00 - B21D9/00; Twisting
- B21D11/10—Bending specially adapted to produce specific articles, e.g. leaf springs
-
- 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/12—All metal or with adjacent metals
- Y10T428/1241—Nonplanar uniform thickness or nonlinear uniform diameter [e.g., L-shape]
Definitions
- the invention relates to a method for roll forming of profiles or structural parts from flat semi-finished products, in particular of metallic materials, in particular of sheet steel or aluminum. Furthermore, the invention relates to a preferably manufactured using this method component, in particular a structural part for a seat structure of a motor vehicle and a roll forming device for performing the method.
- CONFIRMATION COPY The invention is therefore based on the object to improve the formability of a semi-finished product in the areas to be reshaped by roll forming and to minimize the springback behavior of a finished component.
- the flat semifinished product is tempered for the roll forming process, wherein the tempering takes place locally, in particular in forming regions of the semifinished product to be formed.
- the tempering may be heating and / or cooling and preferably takes place before or during the forming of the semifinished product.
- Profiles or structural parts machined with the method then have a higher load-bearing capacity than those which have not been tempered.
- roll forming takes place in a predetermined forming sequence.
- the forming sequence designates in which order the forming regions are processed, that is to say shaped, whereby the forming sequence results from the profile or structural part to be produced and its radius regions.
- Each profile produced by roll forming thus has a certain forming sequence in the roll forming process.
- the forming areas are tempered successively in the forming sequence of the roll forming process.
- the local heating is preferably carried out on strip-shaped deformation regions of the semifinished product, which are aligned in roll forming direction, so that the deformation regions stressed and deformed during the roll forming process are tempered, in particular heated, during molding or processing.
- the method is advantageously either heated inductively or there is an energy input by laser irradiation. Both process designs offer the possibility of selectively heating the semifinished product to be processed selectively in the transformation regions.
- the laser irradiation takes place in a preferred embodiment with a fiber laser.
- the semifinished product can be cured after forming, d. H. with a coolant, for example, an oil bath or the like quenched.
- a coolant for example, an oil bath or the like quenched.
- Forming or radius areas These locally heated deformation or radius regions can have been heated both before, during and after the rolling or forming.
- the invention provides that the deformation region was subjected to a material properties changing temperature control and a conditional by the temperature Structure change has.
- the deformation ranges thus differ in their material structure from the flat sections and also by other, non-tempered, processed by roll forming components, but have at least the same or higher strengths as these.
- the component is made of a high-strength steel or high-strength aluminum whose strength is higher than would otherwise typically be processed in rollforming or roll forming processes, in particular 1000 MPa or more or even 1200 MPa or more, especially for components made of steel.
- the component produced according to the invention may then preferably have wall thicknesses of 1, 5 mm or even 1, 4 mm or 1, 3 mm or less in each case.
- components or profiles are mainly provided as a structural structural parts, wherein the component is in a preferred embodiment, a vehicle seat rail, which can be adjusted for seat adjustment to the front and rear.
- a suitable rollforming device for carrying out the method the patented object is achieved in that various means for tempering a semi-finished product to be formed are provided.
- inductive heating devices and / or lasers, in particular fiber lasers are provided for heating.
- Peltier elements can be used for cooling.
- the respective means for tempering can advantageously be exchanged with roller sets of the roll forming device, so that arrangements optimized for different applications are ensured and various components can be manufactured on a roll forming device.
- the roll forming method used in this invention is also known as roll forming and described, for example, in DIN 8586, the contents of which are hereby incorporated by reference.
- FIG. 1 shows a basic cross-section of a roll produced by roll forming.
- FIG. 2 shows a development of the cross section of the component from FIG. 1.
- the component 1 shown in FIG. 1 is profiled and is typically produced by roll forming.
- This component 1 has a plurality of planar sections 3, which have essentially emerged unchanged from a flat semifinished product.
- the sheet-like sections 3 are connected to one another by means of cross-hatched forming regions 4a, 4b, 4c, 4d, which are deformed during roll-forming, in radius regions of the component 1.
- These deformation regions 4a, 4b, 4c, 4d represent in particular in the
- FIG. 2 shows a basic development 2 of the cross section of the component 1.
- the transformation regions 4a, 4b, 4c, 4d are hatched as in FIG. 1 and delimited by corresponding lines and extend in each case in the roll forming direction.
- These deformation regions 4a, 4b, 4c, 4d are tempered, ie heated or cooled, during the passage through a roll forming device or during roll forming.
- the material properties can be adapted in accordance with the requirements, so that the component 1 has a structural change in the transformation or radius regions.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
- Heat Treatment Of Articles (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- General Induction Heating (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010050400 | 2010-11-03 | ||
PCT/EP2011/005553 WO2012059233A1 (de) | 2010-11-03 | 2011-11-03 | Verfahren zum rollformen von profilen und dadurch hergestelles strukturteil |
Publications (1)
Publication Number | Publication Date |
---|---|
EP2635388A1 true EP2635388A1 (de) | 2013-09-11 |
Family
ID=45319050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11794399.3A Withdrawn EP2635388A1 (de) | 2010-11-03 | 2011-11-03 | Verfahren zum rollformen von profilen und dadurch hergestelles strukturteil |
Country Status (6)
Country | Link |
---|---|
US (1) | US20130316187A1 (de) |
EP (1) | EP2635388A1 (de) |
JP (1) | JP5883879B2 (de) |
KR (1) | KR20130112902A (de) |
CN (1) | CN103189153B (de) |
WO (1) | WO2012059233A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE536828C2 (sv) | 2012-12-20 | 2014-09-23 | Schneider Electric Ind Sas | Förfarande för tillverkning av en dubbel ankarskena samt enankarskena tillverkad enligt förfarandet |
JP6262959B2 (ja) * | 2013-08-23 | 2018-01-17 | 川崎重工業株式会社 | アルミニウム合金部品の製造方法およびアルミニウム合金板のプレス成形装置 |
DE102014215676B4 (de) | 2014-06-23 | 2022-12-29 | Keiper Seating Mechanisms Co., Ltd. | Verfahren zur Herstellung eines Bauteils, insbesondere einer Profilschiene |
SE540035C2 (sv) * | 2016-05-03 | 2018-02-27 | Rerail Ab | Förfarande för rullformning av plåtämnen till profilbalkar och en anordning för genomförande av ett sådant förfarande |
JP6706229B2 (ja) * | 2017-08-22 | 2020-06-03 | シロキ工業株式会社 | レール部材の製造方法 |
EP3511085B1 (de) * | 2018-01-16 | 2024-08-14 | Outokumpu Oyj | Biegeumgeformte tragstruktur eines personenkraftwagens |
EP3954475A4 (de) * | 2019-04-10 | 2023-01-11 | Nippon Steel Corporation | Zuschnitt und bauteil |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5669992A (en) * | 1996-01-30 | 1997-09-23 | Bronsema; Brand | Bumper beam making process |
WO2009033527A1 (de) * | 2007-09-11 | 2009-03-19 | Voestalpine Krems Gmbh | Verfahren und vorrichtung zum härten von profilen |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6349302A (ja) * | 1986-08-18 | 1988-03-02 | Kawasaki Steel Corp | 形鋼の製造方法 |
JPS63188426A (ja) * | 1987-01-29 | 1988-08-04 | Sekisui Chem Co Ltd | 板状材料の連続成形方法 |
JPH0521475Y2 (de) * | 1988-05-11 | 1993-06-02 | ||
JP2852311B2 (ja) * | 1991-09-30 | 1999-02-03 | ナカジマ鋼管株式会社 | 大径角形鋼管の成形工法および装置 |
DE19521566B4 (de) * | 1995-06-19 | 2008-07-10 | C. Rob. Hammerstein Gmbh & Co. Kg | Längsführung für einen Fahrzeugsitz mit zwei Schienen und zwischen diesen angeordneten Führungsmitteln |
SE512543C2 (sv) * | 1997-07-04 | 2000-04-03 | Avesta Sheffield Ab | Rullformad metallprofil av tunnplåt |
US20020124912A1 (en) * | 1997-07-04 | 2002-09-12 | Avesta Sheffield Ab | Roll formed metal profile of thin sheet |
JP2001321826A (ja) * | 2000-05-10 | 2001-11-20 | Mitsubishi Shindoh Co Ltd | 電縫管の製造装置 |
DE10055950B4 (de) * | 2000-11-10 | 2004-07-29 | Schuler Held Lasertechnik Gmbh & Co. Kg | Rollformanlage, insbesondere zur Endlosformung von streifenförmigem Material |
JP4072117B2 (ja) * | 2003-12-03 | 2008-04-09 | 新日本製鐵株式会社 | 鋼板のプレス成形方法 |
CN2825162Y (zh) * | 2005-08-04 | 2006-10-11 | 湖南工程学院 | 滑轮轧制设备 |
JP4009313B2 (ja) * | 2006-03-17 | 2007-11-14 | 株式会社神戸製鋼所 | 溶接性に優れた高強度鋼材およびその製造方法 |
EP2143504A1 (de) * | 2008-07-07 | 2010-01-13 | Siemens Aktiengesellschaft | Verfahren zum Kühlen eines zu einem Warmbandbund aufgehaspelten Warmbands, eine Vorrichtung zum Kühlen eines Warmbandbundes, eine Steuer- und/oder eine Regeleinrichtung und Metallband |
US20100050726A1 (en) * | 2008-08-29 | 2010-03-04 | The Boeing Company | Superplastically Continuous Roll Forming Titanium |
-
2011
- 2011-11-03 EP EP11794399.3A patent/EP2635388A1/de not_active Withdrawn
- 2011-11-03 KR KR1020137013974A patent/KR20130112902A/ko not_active Application Discontinuation
- 2011-11-03 WO PCT/EP2011/005553 patent/WO2012059233A1/de active Application Filing
- 2011-11-03 CN CN201180053092.4A patent/CN103189153B/zh not_active Expired - Fee Related
- 2011-11-03 US US13/883,121 patent/US20130316187A1/en not_active Abandoned
- 2011-11-03 JP JP2013537042A patent/JP5883879B2/ja not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5669992A (en) * | 1996-01-30 | 1997-09-23 | Bronsema; Brand | Bumper beam making process |
WO2009033527A1 (de) * | 2007-09-11 | 2009-03-19 | Voestalpine Krems Gmbh | Verfahren und vorrichtung zum härten von profilen |
Non-Patent Citations (1)
Title |
---|
See also references of WO2012059233A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP2013544190A (ja) | 2013-12-12 |
KR20130112902A (ko) | 2013-10-14 |
CN103189153B (zh) | 2016-06-08 |
US20130316187A1 (en) | 2013-11-28 |
JP5883879B2 (ja) | 2016-03-15 |
WO2012059233A1 (de) | 2012-05-10 |
CN103189153A (zh) | 2013-07-03 |
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