EP3212348A1 - Method for producing a component by subjecting a sheet bar of steel to a forming process - Google Patents
Method for producing a component by subjecting a sheet bar of steel to a forming processInfo
- Publication number
- EP3212348A1 EP3212348A1 EP15786860.5A EP15786860A EP3212348A1 EP 3212348 A1 EP3212348 A1 EP 3212348A1 EP 15786860 A EP15786860 A EP 15786860A EP 3212348 A1 EP3212348 A1 EP 3212348A1
- Authority
- EP
- European Patent Office
- 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.)
- Granted
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 33
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 23
- 239000010959 steel Substances 0.000 title claims abstract description 23
- 230000008569 process Effects 0.000 title claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims abstract description 37
- 238000004080 punching Methods 0.000 claims abstract description 14
- 238000005482 strain hardening Methods 0.000 claims abstract description 8
- 238000010438 heat treatment Methods 0.000 claims description 49
- 230000002829 reductive effect Effects 0.000 claims description 8
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000035945 sensitivity Effects 0.000 claims description 6
- 239000011248 coating agent Substances 0.000 claims description 5
- 238000000576 coating method Methods 0.000 claims description 5
- 230000001939 inductive effect Effects 0.000 claims description 5
- 239000011261 inert gas Substances 0.000 claims description 4
- 230000005855 radiation Effects 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 3
- 230000003647 oxidation Effects 0.000 claims description 3
- 238000007254 oxidation reaction Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 description 10
- 238000000926 separation method Methods 0.000 description 7
- 230000007797 corrosion Effects 0.000 description 5
- 238000005260 corrosion Methods 0.000 description 5
- 238000003466 welding Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000007769 metal material Substances 0.000 description 3
- 230000036961 partial effect Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 229910001563 bainite Inorganic materials 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 238000010792 warming Methods 0.000 description 2
- 229910000861 Mg alloy Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910001297 Zn alloy Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000002051 biphasic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000010960 cold rolled steel Substances 0.000 description 1
- 230000002860 competitive effect Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005304 joining Methods 0.000 description 1
- 238000003698 laser cutting Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910000734 martensite Inorganic materials 0.000 description 1
- 238000011089 mechanical engineering Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002105 nanoparticle Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000010926 purge Methods 0.000 description 1
- 239000013074 reference sample Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000009966 trimming Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys
-
- 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
- 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
-
- 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 by deformation combined with, or followed by, heat treatment
- C21D8/02—Modifying the physical properties 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.
Landscapes
- 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)
- Heat Treatment Of Articles (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Laser Beam Processing (AREA)
- Metal Rolling (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102014016614.7A DE102014016614A1 (en) | 2014-10-31 | 2014-10-31 | Process for producing a component by forming a steel circuit board |
PCT/DE2015/100414 WO2016066155A1 (en) | 2014-10-31 | 2015-10-06 | Method for producing a component by subjecting a sheet bar of steel to a forming process |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3212348A1 true EP3212348A1 (en) | 2017-09-06 |
EP3212348B1 EP3212348B1 (en) | 2018-09-12 |
Family
ID=54359651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP15786860.5A Active EP3212348B1 (en) | 2014-10-31 | 2015-10-06 | Method for producing a component by subjecting a sheet bar of steel to a forming process |
Country Status (9)
Country | Link |
---|---|
US (1) | US20170333971A1 (en) |
EP (1) | EP3212348B1 (en) |
KR (1) | KR102469605B1 (en) |
CN (1) | CN107208170B (en) |
DE (1) | DE102014016614A1 (en) |
ES (1) | ES2701869T3 (en) |
MX (1) | MX2017005563A (en) |
RU (1) | RU2701810C2 (en) |
WO (1) | WO2016066155A1 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102016107152B4 (en) | 2016-04-18 | 2017-11-09 | Salzgitter Flachstahl Gmbh | Component of press-hardened aluminum-coated steel sheet and method for producing such a component and its use |
DE102016121905A1 (en) | 2016-11-15 | 2018-05-17 | Salzgitter Flachstahl Gmbh | Method for producing dual-phase steel wheel discs with improved cold workability |
DE102016121902A1 (en) | 2016-11-15 | 2018-05-17 | Salzgitter Flachstahl Gmbh | Process for the production of chassis parts made of micro-alloyed steel with improved cold workability |
DE102017103743A1 (en) | 2017-02-23 | 2018-08-23 | Salzgitter Flachstahl Gmbh | Method for optimized production of a component with at least one secondary feature |
DE102017103729A1 (en) | 2017-02-23 | 2018-08-23 | Salzgitter Flachstahl Gmbh | Method for producing a component by further shaping a preformed contour |
WO2019131289A1 (en) * | 2017-12-25 | 2019-07-04 | Jfeスチール株式会社 | Method for manufacturing press formed product |
EP3685933B1 (en) | 2019-01-25 | 2021-09-08 | Toyota Jidosha Kabushiki Kaisha | Method for processing steel plate |
JP7052743B2 (en) | 2019-01-25 | 2022-04-12 | トヨタ自動車株式会社 | Steel sheet forming method and punching machine |
CN113474100B (en) * | 2019-02-27 | 2023-06-16 | 杰富意钢铁株式会社 | Method for manufacturing steel sheet for cold pressing and method for manufacturing press member |
ES2967460T3 (en) * | 2019-11-08 | 2024-04-30 | Autotech Eng Sl | Formed sheet metal part for a vehicle body and corresponding production procedure |
JP2022108601A (en) * | 2021-01-13 | 2022-07-26 | トヨタ自動車株式会社 | Forming and processing method |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2063832C1 (en) * | 1994-07-20 | 1996-07-20 | Александр Николаевич Жученко | Method to produce flat pieces with bulges of rail tie plates type |
DE19619034C2 (en) * | 1995-07-18 | 1998-01-22 | Mannesmann Ag | Process for improving the formability in the production of components from light metal strip |
US6143241A (en) * | 1999-02-09 | 2000-11-07 | Chrysalis Technologies, Incorporated | Method of manufacturing metallic products such as sheet by cold working and flash annealing |
RU2230621C2 (en) * | 2002-03-26 | 2004-06-20 | Оренбургский государственный университет | Method for making bent parts and apparatus for performing the same |
DE102004038626B3 (en) * | 2004-08-09 | 2006-02-02 | Voestalpine Motion Gmbh | Method for producing hardened components from sheet steel |
WO2009097663A1 (en) * | 2008-02-07 | 2009-08-13 | Bluescope Steel Limited | Metal-coated steel strip |
DE102008014559A1 (en) * | 2008-03-15 | 2009-09-17 | Elringklinger Ag | Process for partially forming a sheet metal layer of a flat gasket produced from a spring steel sheet and device for carrying out this process |
JP5565785B2 (en) * | 2009-03-05 | 2014-08-06 | 株式会社デルタツーリング | Structural material |
DE102009049155B4 (en) | 2009-10-12 | 2017-01-05 | Bayerische Motoren Werke Aktiengesellschaft | Method for determining the edge crack sensitivity of a sheet metal material and apparatus for producing a test piece from this sheet metal material |
SE1100523A1 (en) * | 2011-07-06 | 2013-01-02 | Gestamp Hardtech Ab | Ways to heat mold and harden a sheet metal blank |
TWI467028B (en) * | 2011-09-30 | 2015-01-01 | Nippon Steel & Sumitomo Metal Corp | High-strength hot-dip galvanized steel sheet with excellent impact resistance and its manufacturing method and high-strength alloyed hot-dip galvanized steel sheet and manufacturing method thereof |
DE102011054866A1 (en) * | 2011-10-27 | 2013-05-02 | Benteler Automobiltechnik Gmbh | Preparing hot-formed and press-hardened motor vehicle body component, comprises processing metal sheet circuit board from curable sheet steel in hot-forming and press-hardening tool, and forming area in circuit board as embossing region |
DE102011054865B4 (en) * | 2011-10-27 | 2016-05-12 | Benteler Automobiltechnik Gmbh | A method of manufacturing a hot-formed and press-hardened automotive body component and motor vehicle body component |
DE102011121904A1 (en) | 2011-12-21 | 2013-06-27 | Volkswagen Aktiengesellschaft | Method for manufacturing recess in metal sheets for motor car wheel suspension, involves introducing target contour of recess to extend sectional contour such that recess is introduced in the metal sheet |
DE102012006941B4 (en) * | 2012-03-30 | 2013-10-17 | Salzgitter Flachstahl Gmbh | Method for producing a steel component by hot forming |
DE102014001979A1 (en) * | 2014-02-17 | 2015-08-20 | Wisco Tailored Blanks Gmbh | Method of laser welding one or more hardenable steel workpieces in the butt joint |
-
2014
- 2014-10-31 DE DE102014016614.7A patent/DE102014016614A1/en not_active Withdrawn
-
2015
- 2015-10-06 CN CN201580059268.5A patent/CN107208170B/en active Active
- 2015-10-06 ES ES15786860T patent/ES2701869T3/en active Active
- 2015-10-06 KR KR1020177014382A patent/KR102469605B1/en active IP Right Grant
- 2015-10-06 RU RU2017118583A patent/RU2701810C2/en active
- 2015-10-06 US US15/523,191 patent/US20170333971A1/en not_active Abandoned
- 2015-10-06 WO PCT/DE2015/100414 patent/WO2016066155A1/en active Application Filing
- 2015-10-06 EP EP15786860.5A patent/EP3212348B1/en active Active
- 2015-10-06 MX MX2017005563A patent/MX2017005563A/en unknown
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US20170333971A1 (en) | 2017-11-23 |
CN107208170A (en) | 2017-09-26 |
ES2701869T3 (en) | 2019-02-26 |
DE102014016614A1 (en) | 2016-05-04 |
WO2016066155A1 (en) | 2016-05-06 |
RU2017118583A3 (en) | 2019-04-24 |
RU2017118583A (en) | 2018-11-30 |
KR20170077192A (en) | 2017-07-05 |
RU2701810C2 (en) | 2019-10-01 |
MX2017005563A (en) | 2017-12-14 |
EP3212348B1 (en) | 2018-09-12 |
CN107208170B (en) | 2019-06-14 |
KR102469605B1 (en) | 2022-11-21 |
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