WO2016066155A1 - Verfahren zur herstellung eines bauteils durch umformen einer platine aus stahl - Google Patents
Verfahren zur herstellung eines bauteils durch umformen einer platine aus stahl Download PDFInfo
- Publication number
- WO2016066155A1 WO2016066155A1 PCT/DE2015/100414 DE2015100414W WO2016066155A1 WO 2016066155 A1 WO2016066155 A1 WO 2016066155A1 DE 2015100414 W DE2015100414 W DE 2015100414W WO 2016066155 A1 WO2016066155 A1 WO 2016066155A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- temperature
- component
- sheet
- board
- forming
- 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.)
- Ceased
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/02—Stamping using rigid devices or tools
- B21D22/022—Stamping using rigid devices or tools by heating the blank or stamping associated with heat treatment
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
-
- 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
- B21D22/02—Stamping using rigid devices or tools
- B21D22/04—Stamping using rigid devices or tools for dimpling
-
- 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
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
-
- 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
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/001—Shaping combined with punching, e.g. stamping and perforating
-
- 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
- B21D53/00—Making other particular articles
- B21D53/88—Making other particular articles other parts for vehicles, e.g. cowlings, mudguards
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/02—Hardening articles or materials formed by forging or rolling, with no further heating beyond that required for the formation
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
- C21D1/26—Methods of annealing
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D7/00—Modifying the physical properties of iron or steel by deformation
- C21D7/02—Modifying the physical properties of iron or steel by deformation by cold working
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D8/00—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties of ferrous metals or ferrous alloys by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
- C21D9/46—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals
- C21D9/48—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for sheet metals deep-drawing sheets
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/002—Bainite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2211/00—Microstructure comprising significant phases
- C21D2211/008—Martensite
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2221/00—Treating localised areas of an article
- C21D2221/02—Edge parts
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
- C21D2261/00—Machining or cutting being involved
Definitions
- the invention relates to a method for producing a component by forming a blank made of steel, according to the preamble of claim 1, which allows a high formability work-hardened, mechanically separated sheet edges.
- a component is understood to be a component produced from a sheet metal blank by forming by means of a forming tool at room temperature.
- Sheet metal materials are all formable metal materials into consideration, but especially steel.
- the plastic sheeting may be uncoated or provided with a metallic and / or organic corrosion protection coating.
- Such components are mainly used in body construction, but also in the home appliance industry, in mechanical engineering or construction offer opportunities.
- the material requirements of the pre-material suppliers try to take account of the fact that the wall thicknesses can be reduced by the provision of high-strength and highest-strength steels with simultaneously improved component behavior during production and operation.
- a sheet metal plate made of hot or caliband is first cut to size at room temperature.
- mechanical separation processes such as shearing or punching
- thermal separation processes such as laser cutting
- the cut Pialine is placed in a Umformwetkmaschine and in single or multi-stage forming steps the finished construction eif, such. a chassis carrier generated.
- the cut edges especially when raised or raised, e.g. in collar operations in perforated boards, especially ingested.
- Edge crack sensitivity is carried out with a hole expansion test according to ISO 16630.
- Object of the present invention is to provide a method for producing a
- the method should be simple and inexpensive to implement and achieve comparable and / or improved properties on the one hand in the production, in particular with respect to the Umformbarkeil the cut edges and on the other hand in the component in particular with respect to the static strength.
- this object is achieved by a method for producing a component by forming a steel circuit board at room temperature, having a high formability and reduced crack sensitivity mechanically cut or punched edges on the board, in which the board previously from a tape or Sheet is cut at room temperature, where appropriate, further manufacturing steps, such as Punching or cutting operations, to achieve recesses or openings on the sheet or the board are carried out at room temperature and then the prepared board in one or more steps to a component at room temperature is formed, which is characterized in that regardless of the deformation to a component at any time after cutting the board and any further punching or cutting operations by the cutting or
- Punching operations cold-strengthened sheet edge portions which undergo a subsequent cold working in the manufacture of the component, are heated to a temperature of at least 600 "C and the time of temperature application is less than 10 seconds.
- the heat is applied over the entire sheet thickness and in the plane direction of the board in a range which corresponds at most to the sheet thickness.
- the effect of heat depends on the type of heat treatment process.
- the heating itself can take place arbitrarily, for example, conductively, inductively via radiation heating or by means of laser processing.
- Excellent for the Heat treatment is the conductive heating, as in the example
- an advantageous development of the invention provides for rinsing these areas with inert gases, for example argon.
- the inert gas purging takes place during the duration of the heat treatment but can also, if necessary, be made shortly before the beginning and / or in a limited cell space after the heat treatment has been carried out.
- Cut edge areas and is therefore associated with a comparatively low energy consumption, in particular in terms of processes in which the entire board is supplied to a heating or time-consuming by orders of magnitude
- the process window for the temperature to be reached in the cutting edge area is also very large and covers a temperature range from above 600 * 0 up to the
- Solidus temperature of about 1500 ° C.
- the decisive factor is that the introduced by the cutting
- the inventive method has over the known measures for
- edge crack sensitivity has the advantage that changes only microstructural by the heat treatment of the shard-influenced edge regions and the strength is thereby usually not reduced, but increased.
- the insensitivity to edge cracks in the sense of a larger Lochaufweititess, can thus be improved by a factor of 2 or even more than 3.
- the method according to the invention allows more complex component geometries and thus greater design freedom when using the same materials.
- the fatigue strength of the cold-formed component is expected, due to the adjusting, although
- biphasic structures such as e.g. Dual phase structures increased.
- the heat treatment of the cold-cut edge regions to be cold can be completed at any time after the cutting or punching processes and before forming the board or as an intermediate step in multi-stage forming operations of the board are carried out to form a component, so that the process steps cutting or punching the board, heat treatment of the cutting edges and forming the board are completely decoupled from one another.
- the production is much more flexible than in the prior art in the integration of an edge modification by
- the method can be integrated as a production line in series production, which specifies a cycle in the range of 0.1 to 10 seconds, in particular the manufacture of sheet metal components in automotive polishing in several successive steps a predestined scope.
- the forming of the board prepared in this way can advantageously be carried out with the forming tools already in production, since no additional heating devices, such as e.g. Ovens, to heat the board itself are necessary. This allows a further cost-effective production and by decoupling the manufacturing steps a high degree of flexibility in the production process.
- the heating of the cut edges take place in a combined with the respective manufacturing process step.
- the cutting and staking devices may be provided with a downstream heat treatment device or this may be directly upstream of the forming device for cold forming the board.
- the board itself may for example be rolled flexibly with different thicknesses or be joined from cold or hot strip of the same or different thickness and / or quality.
- the invention is applicable to hot or cold rolled steel strip from soft to high strength steels, eg with yield strengths from 140 MPa to 1200 MPa, which may be provided with a corrosion inhibiting layer as a metallic and / or organic coating.
- the metallic coating may for example consist of zinc or an alloy of zinc or of magnesium or of aluminum and / or silicon. The suitability of coated steel strips is explained by the possibility of using the
- Corrosion protection of a metallic corrosion-inhibiting layer is not or only insignificantly beeinfiusst.
- FIG. 1 is a schematic representation of Lochetzweite Seeds ISO 16630 according to the invention heat treated cut edges
- FIG. 5 structure and hardness of heat-treated according to the invention
- the hole expansion test according to ISO 16630 is shown schematically on cutting edges heat-treated according to the invention.
- the heat treatment takes place only at the shard-infiltrated cutting edges as an intermediate step after cutting the blank and before reshaping edge-near areas,
- step 2 heat resistant (step 2). Thereafter, in step 3, the actual hole widening takes place by means of a punch, which is subsequently determined on the tested sample.
- the opposing spot welding electrodes have a diameter larger than the punched hole so that the shard-inscribed hole edges can be heat-treated.
- the electrodes have a hemispherical shape on the ends contacting the hole edges, so that the sheet is simply centered on the one hand, and on the other hand, the heat can be concentrated only in the shard-infiltrated area.
- the shape of the contacting electrode tip of the respective geometric configuration of the edge regions should be adjusted.
- hot-dip galvanized, cold-rolled complex phase steel with a minimum yield strength of 500 MPa and a minimum tensile strength of 780 MPa grade HCT780CD used.
- a treatment duration ie the duration of the current flow in the case of inductive heating and the duration of the power reduction by the laser, or the duration of action of other heat sources in a range of 20 ms to at most 10 s, in the Rule but advantageous to apply between 100 ms to 2000 ms. It is essential in any case that a temperature of at least 600 ° C at the point of
- the main process parameters are, in addition to the duration of treatment, and in the case of inductive heating, the current, which was varied between 4 and 10 kA.
- the laser heat treatment first, a laser power of 5 kW was set, which was distributed over a circular area of about 12 mm, so that about a ring mold with 1 mm edge width of the cut circular hole of the sample having the diameter of 10 mm was heat-treated.
- Figure 5 shows in the upper part of the figure on the left, in a schematic representation in a plan view of a hole punched in a sheet, which has been heat treated according to the invention in the region of the hole edge.
- the resulting microstructures in the heat-affected area are shown schematically in the upper part of the picture on the right.
- the structure In the near edge area of approx. 0.5 mm, the structure consists of 100% martensite. As a result, there was heating above Ac3, which was rapidly cooled. As the distance to the edge increases, the proportion of bainite increases up to a distance to the edge Edge of about 2.5 mm «is present from the 100% bainite. From an edge distance of 2.5 mm, the structure was no longer subject to conversion, so that treatment temperatures below Ad (about 700 ° C.) were present.
- microalloyed bainitic hot strip typical and results from the subsequent
- Edge crack sensitivity and high hole widening capability allowing the fabrication of more complex component geometries and reducing the risk of broke due to edge cracking during forming.
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Heat Treatment Of Articles (AREA)
- Laser Beam Processing (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201580059268.5A CN107208170B (zh) | 2014-10-31 | 2015-10-06 | 用于通过由钢制成的板坯的改形来制造结构部件的方法 |
| MX2017005563A MX381095B (es) | 2014-10-31 | 2015-10-06 | Método para la producción de un componente mediante conformación de una pletina de acero. |
| ES15786860T ES2701869T3 (es) | 2014-10-31 | 2015-10-06 | Método para la fabricación de un componente por conformación de una pletina de acero |
| EP15786860.5A EP3212348B1 (de) | 2014-10-31 | 2015-10-06 | Verfahren zur herstellung eines bauteils durch umformen einer platine aus stahl |
| US15/523,191 US20170333971A1 (en) | 2014-10-31 | 2015-10-06 | Method for producing a component by subjecting a sheet bar of steel to a forming process |
| KR1020177014382A KR102469605B1 (ko) | 2014-10-31 | 2015-10-06 | 강 시트 바에 성형 공정을 가함으로써 부품을 제조하는 방법 |
| RU2017118583A RU2701810C2 (ru) | 2014-10-31 | 2015-10-06 | Способ изготовления детали путем деформации стальной пластины и применение стальной пластины для деформирования в деталь |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014016614.7 | 2014-10-31 | ||
| DE102014016614.7A DE102014016614A1 (de) | 2014-10-31 | 2014-10-31 | Verfahren zur Herstellung eines Bauteils durch Umformen einer Platine aus Stahl |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2016066155A1 true WO2016066155A1 (de) | 2016-05-06 |
Family
ID=54359651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/DE2015/100414 Ceased WO2016066155A1 (de) | 2014-10-31 | 2015-10-06 | Verfahren zur herstellung eines bauteils durch umformen einer platine aus stahl |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US20170333971A1 (de) |
| EP (1) | EP3212348B1 (de) |
| KR (1) | KR102469605B1 (de) |
| CN (1) | CN107208170B (de) |
| DE (1) | DE102014016614A1 (de) |
| ES (1) | ES2701869T3 (de) |
| MX (1) | MX381095B (de) |
| RU (1) | RU2701810C2 (de) |
| WO (1) | WO2016066155A1 (de) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102016107152B4 (de) | 2016-04-18 | 2017-11-09 | Salzgitter Flachstahl Gmbh | Bauteil aus pressformgehärtetem, auf Basis von Aluminium beschichtetem Stahlblech und Verfahren zur Herstellung eines solchen Bauteils und dessen Verwendung |
| DE102016121902A1 (de) | 2016-11-15 | 2018-05-17 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung von Fahrwerksteilen aus mikrolegiertem Stahl mit verbesserter Kaltumformbarkeit |
| DE102016121905A1 (de) | 2016-11-15 | 2018-05-17 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung von Radschüsseln aus Dualphasenstahl mit verbesserter Kaltumformbarkeit |
| DE102017103743A1 (de) * | 2017-02-23 | 2018-08-23 | Salzgitter Flachstahl Gmbh | Verfahren zur optimierten Herstellung eines Bauteils mit zumindest einem Nebenformelement |
| DE102017103729A1 (de) | 2017-02-23 | 2018-08-23 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung eines Bauteils durch Weiterformen einer vorgeformten Kontur |
| CN111565863A (zh) * | 2017-12-25 | 2020-08-21 | 杰富意钢铁株式会社 | 冲压成型品的制造方法 |
| EP3685933B1 (de) * | 2019-01-25 | 2021-09-08 | Toyota Jidosha Kabushiki Kaisha | Verfahren zur behandlung einer stahlplatte |
| JP7052743B2 (ja) * | 2019-01-25 | 2022-04-12 | トヨタ自動車株式会社 | 鋼板の成形加工方法および打ち抜き加工機 |
| CN113474100B (zh) * | 2019-02-27 | 2023-06-16 | 杰富意钢铁株式会社 | 冷压用的钢板的制造方法及冲压部件的制造方法 |
| EP4054777B1 (de) * | 2019-11-08 | 2023-09-13 | Autotech Engineering S.L. | Formmetallblechteil für einen fahrzeugrahmen und zugehöriges herstellungsverfahren |
| JP7673410B2 (ja) | 2021-01-13 | 2025-05-09 | トヨタ自動車株式会社 | 成形加工方法 |
| CN119489322B (zh) * | 2025-01-17 | 2025-04-25 | 山西鼎荣冷弯型钢有限公司 | 一种高速公路护栏不锈钢高频焊管冷弯成型加工工艺 |
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| JP5327410B1 (ja) * | 2011-09-30 | 2013-10-30 | 新日鐵住金株式会社 | 耐衝撃特性に優れた高強度溶融亜鉛めっき鋼板およびその製造方法、並びに、高強度合金化溶融亜鉛めっき鋼板およびその製造方法 |
| DE102014001979A1 (de) * | 2014-02-17 | 2015-08-20 | Wisco Tailored Blanks Gmbh | Verfahren zum Laserschweißen eines oder mehrerer Werkstücke aus härtbarem Stahl im Stumpfstoß |
-
2014
- 2014-10-31 DE DE102014016614.7A patent/DE102014016614A1/de not_active Withdrawn
-
2015
- 2015-10-06 ES ES15786860T patent/ES2701869T3/es active Active
- 2015-10-06 CN CN201580059268.5A patent/CN107208170B/zh active Active
- 2015-10-06 RU RU2017118583A patent/RU2701810C2/ru active
- 2015-10-06 KR KR1020177014382A patent/KR102469605B1/ko active Active
- 2015-10-06 WO PCT/DE2015/100414 patent/WO2016066155A1/de not_active Ceased
- 2015-10-06 EP EP15786860.5A patent/EP3212348B1/de active Active
- 2015-10-06 US US15/523,191 patent/US20170333971A1/en not_active Abandoned
- 2015-10-06 MX MX2017005563A patent/MX381095B/es unknown
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102009049155A1 (de) | 2009-10-12 | 2011-04-28 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zum Herstellen eines Prüflings aus einem Blechmaterial und Verfahren zur Ermittlung der Kantenrissempfindlichkeit |
| DE102011054866A1 (de) * | 2011-10-27 | 2013-05-02 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines warmumgeformten und pressgehärteten Kraftfahrzeugkarosseriebauteils sowie Kraftfahrzeugkarosseriebauteil |
| DE102011054865A1 (de) * | 2011-10-27 | 2013-05-02 | Benteler Automobiltechnik Gmbh | Verfahren zur Herstellung eines warmumgeformten und pressgehärteten Kraftfahrzeugkarosseriebauteils sowie Kraftfahrzeugkarosseriebauteil |
| DE102011121904A1 (de) | 2011-12-21 | 2013-06-27 | Volkswagen Aktiengesellschaft | Verfahren zur scherenden Bearbeitung von Blechen mit einer anschließenden Umformung sowie ein hierzu bestimmtes Schneidwerkzeug |
| DE102012006941A1 (de) * | 2012-03-30 | 2013-10-02 | Salzgitter Flachstahl Gmbh | Verfahren zur Herstellung eines Bauteils aus Stahl durch Warmumformen |
Also Published As
| Publication number | Publication date |
|---|---|
| MX2017005563A (es) | 2017-12-14 |
| RU2701810C2 (ru) | 2019-10-01 |
| CN107208170A (zh) | 2017-09-26 |
| CN107208170B (zh) | 2019-06-14 |
| MX381095B (es) | 2025-03-12 |
| KR102469605B1 (ko) | 2022-11-21 |
| EP3212348B1 (de) | 2018-09-12 |
| ES2701869T3 (es) | 2019-02-26 |
| US20170333971A1 (en) | 2017-11-23 |
| KR20170077192A (ko) | 2017-07-05 |
| RU2017118583A3 (de) | 2019-04-24 |
| RU2017118583A (ru) | 2018-11-30 |
| EP3212348A1 (de) | 2017-09-06 |
| DE102014016614A1 (de) | 2016-05-04 |
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