EP2782689A1 - Verfahren und umformwerkzeug zum warmumformen und presshärten von werkstücken aus stahlblech, insbesondere verzinkten werkstücken aus stahlblech - Google Patents
Verfahren und umformwerkzeug zum warmumformen und presshärten von werkstücken aus stahlblech, insbesondere verzinkten werkstücken aus stahlblechInfo
- Publication number
- EP2782689A1 EP2782689A1 EP12778287.8A EP12778287A EP2782689A1 EP 2782689 A1 EP2782689 A1 EP 2782689A1 EP 12778287 A EP12778287 A EP 12778287A EP 2782689 A1 EP2782689 A1 EP 2782689A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- die
- drawing edge
- edge area
- workpiece
- insert part
- 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
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 25
- 239000010959 steel Substances 0.000 title claims abstract description 25
- 238000000034 method Methods 0.000 title claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 36
- 238000003466 welding Methods 0.000 claims description 12
- 238000010438 heat treatment Methods 0.000 claims description 9
- 230000008021 deposition Effects 0.000 claims description 6
- 239000012530 fluid Substances 0.000 claims description 5
- 239000011159 matrix material Substances 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000012809 cooling fluid Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 abstract description 10
- 238000000576 coating method Methods 0.000 abstract description 10
- 229910001335 Galvanized steel Inorganic materials 0.000 description 5
- 239000008397 galvanized steel Substances 0.000 description 5
- 238000012546 transfer Methods 0.000 description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 3
- 238000010285 flame spraying Methods 0.000 description 3
- 230000017525 heat dissipation Effects 0.000 description 3
- 229910000734 martensite Inorganic materials 0.000 description 3
- 239000011701 zinc Substances 0.000 description 3
- 229910052725 zinc Inorganic materials 0.000 description 3
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 2
- 239000000919 ceramic Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- 229910000851 Alloy steel Inorganic materials 0.000 description 1
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- -1 X5CrNil8-10 Chemical compound 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 238000007750 plasma spraying Methods 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
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
- B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
- B21D22/20—Deep-drawing
-
- 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
- B21D22/20—Deep-drawing
- B21D22/208—Deep-drawing by heating the blank or deep-drawing 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
- B21D37/00—Tools as parts of machines covered by this subclass
- B21D37/16—Heating or cooling
-
- 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
- C21D1/62—Quenching devices
- C21D1/673—Quenching devices for die quenching
-
- 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
- C21D1/18—Hardening; Quenching with or without subsequent tempering
- C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
- C21D1/22—Martempering
Definitions
- the invention relates to a method for hot forming and press hardening of plate-shaped or preformed workpieces made of sheet steel, in particular galvanized workpieces
- the invention relates to a forming tool for hot forming and
- Stamp associated die wherein the punch and / or the die cooling channels for passing a cooling fluid
- devices With respect to the hot forming and press hardening of work ⁇ pieces made of sheet steel, devices are known comprising at least two tool halves, which are formed in regions, such that they have different thermal conductivity characteristics, which are used to adjust locally different strength properties in the component to be manufactured.
- the method carried out with these devices will be familiar to those skilled in the art The term "Tailored-tempering.”
- a corresponding device is for example from the
- Rounding the workpiece have positive radii and form air gaps in the opposite areas, wherein adjacent to the air gaps projections are formed such that a distortion-free terminals is possible. This also allows different degrees of hardness in the component
- the present invention has for its object to provide a method or a Ümformwerkmaschine of the type mentioned, which improves the flow properties for steel materials during hot working, so that the risk of occurrence of cracks in the hot forming of workpieces made of sheet steel, especially galvanized steel blanks
- the die used for hot forming and press hardening is coated in its defined by a positive drawing radius Ziehkanten Society with material and / or provided with at least one insert which has a thermal conductivity which is lower by at least 10 W / (m * K) than the thermal conductivity the portion of the die adjacent the drawing edge region which contacts the workpiece during hot working and press hardening of the workpiece.
- the applied in the drawing edge region material or arranged there insert part, which according to ⁇ fiction, has a relatively low thermal conductivity, ⁇ is formed so that its surface facing the workpiece has a extending over the drawing edge cross-dimension, which is in the range of 1.6 times up to 10 times,
- the coated steel sheet (workpiece) to be formed becomes highly plastic
- Zinc layer comes. With increasing sheet thickness and in
- coated component can extend.
- the material applied in the drawing edge region for example by coating, having a relatively low thermal conductivity, or the insert part having a relatively low thermal conductivity, is dimensioned to ensure that the component produced by hot forming and press-hardening is essentially completely martensitic Structure has.
- the insert-influenced part of the press-hardened component may have a lower hardness than another part or the remaining part of the component, but this so influenced part of the press-hardened component according to the invention always still has a hardness above a required minimum hardness, the one
- martensitic structure corresponds.
- cracks in the coating for example in a Zinc layer, as well as in the corresponding coated sheet avoided or significantly reduced at least crack depths in the coating or the coated sheet metal.
- the stresses occurring in the hot forming of the coated eg galvanized workpiece (steel sheet) and
- Strains and the hardening occurring in the forming process are reduced by the reduced heat or temperature loss in comparison to that in a conventional tempered forming. This also reduces or prevents any local material failure.
- Hot forming improves and thus eliminates the risk of cracking during hot forming of workpieces
- Sheet steel preferably galvanized steel plates significantly reduced.
- Material is less than 40 W / (m * K), preferably less than 30 W / (m * K), more preferably less than 20 W / (m * K).
- a further advantageous embodiment of the solution according to the invention is characterized in that a heat insulating layer is or is arranged between the insert part and the die. In this way, the heat or temperature loss during the hot working of the workpiece can be further reduced.
- this embodiment makes it possible to use an insert which is made of a particularly wear-resistant material, but which has a relatively high thermal conductivity, wherein the heat insulating layer, compared to the insert edge forming part of the insert no high mechanical
- Stress in particular no high frictional stress is exposed, may consist of a heat insulating material, for example plastic or wood material, with low wear resistance.
- the insert part has a projection extending over the inner circumference of the die and / or opposite to the edge of the cavity adjacent to the cavity of the die.
- a further advantageous embodiment of the solution according to the invention is characterized in that the material applied in the drawing edge region of the die by deposition welding, preferably laser deposition welding on the
- the one relatively small Thermal conductivity having material application can be replaced inexpensively by build-up welding, preferably laser deposition welding, if this is required due to a wear-related wear (removal).
- Heat source or a heating fluid channel is locally selectively heated.
- the heat dissipation from the workpiece to be formed can be significantly reduced and thus the flow properties of the steel material can be improved during hot forming. It is also within the scope of the present invention to combine several of the aforementioned or all the aforementioned embodiments of the solution according to the invention.
- Fig. 1 shows a portion of an inventive
- Fig. 2 shows a section of another invention
- Fig. 3 is a sectional view of a pulling edge
- Figures 4 and 7 are each a sectional view of a
- Figures 5, 6 and 8 are each a sectional view of a
- FIGS. 1 and 2 each show sections of cooled forming tools for hot-forming and press-hardening a plate-shaped or preformed workpiece 1 made of sheet steel, in particular a galvanized workpiece made of sheet steel.
- the reference numeral 2 is a stamp and the reference numeral 3 is a die (die) of the respective forming tool designated.
- the forming tool shown in FIG. 1 and / or FIG. 2 may optionally have a holding-down device (blank holder) which presses the workpiece 1 against the die 3 during the forming process.
- the forming tool according to the invention is designed as a blank holder (low-holder) forming tool.
- Die (die) 3 contains a cavity 4, in which the punch 2 during forming or deep drawing of the workpiece. 1 penetrates.
- Figures 1 and 2 is the respective
- Forming tool each shown in the closed state with the workpiece 1 formed therein.
- cooling channels (not shown) for passing a cooling fluid are provided near the forming die surface.
- the workpiece 1 to be formed is first heated to a target temperature, preferably to a temperature above the austenitizing temperature, and then shaped and quenched in the cooled forming tool.
- the temperature of the heated plate-shaped or preformed workpiece 1 is preferably kept as high as possible prior to the forming in order to achieve an improvement in the flow properties of the workpiece 1 or a reduction of the stresses and / or strains during the forming process.
- This can be influenced, for example, by the selected height of the heating temperature and / or by short transfer times, ie short handling times between the heating device (not shown), for example a continuous furnace, and the start of the forming.
- the forming tool according to the invention is characterized by an optimized heat transfer coefficient. As a result, too rapid local cooling of the heated workpiece 1 (for example, the galvanized steel plate) is prevented after positioning and during the forming in the tool.
- the die 3 is optimized with regard to the heat transfer coefficient.
- the die 3 is in its drawing edge defined by a positive drawing radius. Area coated with material cohesively and / or provided there with at least one insert part 5, which has a thermal conductivity which is at least 10 W / (m * K) is lower than the thermal conductivity of the drawing edge region adjacent section 3.1 of the die 3, the during hot working and press hardening of the workpiece comes into contact with the same.
- the means with comparatively low thermal conductivity are dimensioned such that it is furthermore ensured that a completely martensitic microstructure sets in the formed component (work piece) 1 after completion of the quenching process (press hardening), whereas the workpiece region affected by the drawing edge region executed according to the invention has a Reduction in hardness, but must be within the required minimum hardness, may have, whereby cracks in the workpiece 1 can be avoided or crack depths can be reduced.
- the workpiece 1 facing surface of the applied in the drawing edge region material 6 (see Fig. 3) or arranged insert part 5 therefore has according to the invention over the drawing edge 7 extending transverse dimension, which is in the range of 1.6 times to 10 times the positive Drawing radius of the die 3 is located.
- the respective die 3 has at least one insertion part 5 in its pulling edge region defined by a positive drawing radius, whose thermal conductivity is preferably less than 40 W / (m * K), particularly preferably less than 30 W / ( m * K).
- the at least one insert part 5 is annular or strip-shaped and inserted into a formed in the drawing edge region of the die 3 recess 3.2.
- a die 3 are shown schematically. In the exemplary embodiment shown in FIG.
- a die 3 serving for hot-forming and press-hardening is coated, in its drawing edge region defined by a positive drawing radius, with material 6 which has a relatively low thermal conductivity.
- the material (coating) 6 is preferably ceramic, for example alumina or zirconia.
- the selective coating of the drawing edge region can be effected, for example, by flame spraying, in particular powder flame spraying or wire flame spraying, or by arc spraying or plasma spraying.
- Coating 6 is, for example, in the range of 1.6 times to 4 times, preferably in the range of 1.6 times to 2 times, the positive drawing radius of the die 3.
- the coating 6 is or can face the adjacent surface 3.1 slightly protrude the die 3, for example, about 0.25 mm to 0.5 mm or more.
- the serves for hot forming and press hardening die 3 is provided in the edge region with a drawing produced by build-up welding material application 6 ', which has a relatively low thermal conductivity ⁇ .
- build-up welding material application 6 ' which has a relatively low thermal conductivity ⁇ .
- This application material 6 ' may be, for example, chromium steel, titanium or high alloy steel, such as X5CrNil8-10, which has a thermal conductivity of about 30 W / (m * K) or less than 30 W / (m * K ) exhibit.
- the applied by contract ⁇ welding on the handle edge portion of material 6 ' is so far applied and subsequently removed by milling or grinding, that it is substantially flush with the surface of the die 3 closes or in the surface of 3.1 low- recigig protruding from the surface 3.1 of the die. 3
- the die 3 shown in a section in FIG. 5 substantially corresponds to the exemplary embodiment shown in FIG. Again, in the pulling edge region of the die 3 is a strip-shaped insert member 5 with relatively less
- the insert 5 consists for example of ceramic, preferably of aluminum oxide (Al 2 O 3) or zirconium oxide.
- the outer edge of the insert part 5 forming the pulling edge region terminates substantially flush with the surface 3.1 of the die 3.
- FIG. 5 also shows a further option or alternative for reducing the heat loss of the heated workpiece.
- This alternative or additional option is that in the die 3, a heat source or a heating channel leading channel 8 is integrated, by means of which the drawing edge region of the die 3 is locally selectively heated.
- the heat source for example in the form of one or more electrical heating wires, or the channel 8 carrying a heating fluid is integrated in the insert part 5 forming the drawing edge region.
- the illustrated in Fig. 6 embodiment differs from that shown in Figures 1, 2 and 5 ⁇ execution examples in that a heat insulating layer 9 is disposed between the insert 5 and the die 3.
- the heat insulating layer 9 is single-layered or multi-layered and consists for example of plastic
- the die 3 used for hot forming and press hardening in the drawing edge region is again provided with a material application 6 'produced by build-up welding, which has a relatively low thermal conductivity.
- the material application 6 ' is designed such that it has a position opposite to that of FIG.
- Thermal conductivity material having the heat dissipation from the heated workpiece 1 is reduced.
- Heat source or a heating fluid leading channel 8 may be integrated, by means of which / / the drawing edge region of the die 3 can be locally selectively heated.
- FIG. 8 differs from the exemplary embodiment according to FIG. 6 in that the insert part 5 has a relative to the inner circumference of the cavity 4 of the die 3 or opposite to the cavity 4
- the reference numeral 9 again denotes a disposed between the insert part 5 and the die 3 heat insulating layer.
- the stamp and / or possibly also the sheet holder (Nieder ⁇ holder) with means 5, 5.1, 6, 6 ', 6.1 and / or 9 are provided with low thermal conductivity ⁇ to optimize the heat transfer coefficients.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Shaping Metal By Deep-Drawing, Or The Like (AREA)
- Mounting, Exchange, And Manufacturing Of Dies (AREA)
- Heat Treatment Of Articles (AREA)
- Extrusion Of Metal (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011055643A DE102011055643A1 (de) | 2011-11-23 | 2011-11-23 | Verfahren und Umformwerkzeug zum Warmumformen und Presshärten von Werkstücken aus Stahlblech, insbesondere verzinkten Werkstücken aus Stahlblech |
PCT/EP2012/070445 WO2013075888A1 (de) | 2011-11-23 | 2012-10-16 | Verfahren und umformwerkzeug zum warmumformen und presshärten von werkstücken aus stahlblech, insbesondere verzinkten werkstücken aus stahlblech |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2782689A1 true EP2782689A1 (de) | 2014-10-01 |
EP2782689B1 EP2782689B1 (de) | 2016-02-03 |
Family
ID=47076189
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12778287.8A Active EP2782689B1 (de) | 2011-11-23 | 2012-10-16 | Verfahren und umformwerkzeug zum warmumformen und presshärten von werkstücken aus stahlblech, insbesondere verzinkten werkstücken aus stahlblech |
Country Status (13)
Country | Link |
---|---|
US (1) | US9770750B2 (de) |
EP (1) | EP2782689B1 (de) |
JP (1) | JP5886977B2 (de) |
KR (1) | KR20140094021A (de) |
CN (1) | CN103958087B (de) |
CA (1) | CA2856679C (de) |
DE (1) | DE102011055643A1 (de) |
ES (1) | ES2569351T3 (de) |
HU (1) | HUE027539T2 (de) |
MX (1) | MX341647B (de) |
PL (1) | PL2782689T3 (de) |
RU (1) | RU2606359C2 (de) |
WO (1) | WO2013075888A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5870961B2 (ja) * | 2013-05-20 | 2016-03-01 | Jfeスチール株式会社 | 温間プレス成形方法 |
DE102013012684A1 (de) | 2013-07-31 | 2015-02-05 | Allgaier Werke Gmbh | Vorrichtung zum Umformen von Metallen |
DE102014200875A1 (de) * | 2014-01-20 | 2015-07-23 | Bayerische Motoren Werke Aktiengesellschaft | Verfahren und Werkzeug zum Warmumformen von Metallblechen |
TW201808486A (zh) * | 2015-02-19 | 2018-03-16 | 日商新日鐵住金股份有限公司 | 金屬板之引伸成形方法及引伸成形品 |
US10981208B2 (en) | 2015-04-23 | 2021-04-20 | Magna International Inc. | Laser sintered die surface for a tool |
CN105234264A (zh) * | 2015-09-29 | 2016-01-13 | 江苏金源锻造股份有限公司 | 一种钢板电磁热冲压生产线及其热冲压成型方法 |
DE102016123265A1 (de) * | 2016-12-01 | 2018-06-07 | Linde + Wiemann SE & Co. KG | Verfahren und Halbzeug zur Herstellung eines wenigstens partiell gehärteten Profilbauteils |
DE102016102344B4 (de) | 2016-02-10 | 2020-09-24 | Voestalpine Metal Forming Gmbh | Verfahren und Vorrichtung zum Erzeugen gehärteter Stahlbauteile |
DE102016102324B4 (de) | 2016-02-10 | 2020-09-17 | Voestalpine Metal Forming Gmbh | Verfahren und Vorrichtung zum Erzeugen gehärteter Stahlbauteile |
DE102016102322B4 (de) | 2016-02-10 | 2017-10-12 | Voestalpine Metal Forming Gmbh | Verfahren und Vorrichtung zum Erzeugen gehärteter Stahlbauteile |
DE102017109613B3 (de) * | 2017-05-04 | 2018-03-01 | Benteler Automobiltechnik Gmbh | Warmformlinie mit Temperierstation sowie Verfahren zum Betreiben |
US10486215B2 (en) * | 2017-06-16 | 2019-11-26 | Ford Motor Company | Apparatus and method for piercing and trimming hot stamped parts |
CN107309314A (zh) * | 2017-08-17 | 2017-11-03 | 北京北方车辆集团有限公司 | 一种金属热压成型装置 |
JP7018832B2 (ja) * | 2018-06-21 | 2022-02-14 | 本田技研工業株式会社 | 部分的に強度が異なる車体部材の製造方法及びこれに用いる金型 |
MX2021012218A (es) | 2019-04-29 | 2021-12-10 | Autotech Eng Sl | Aparato de conformacion por prensado en caliente y metodo para la conformacion por prensado en caliente de una pieza en bruto. |
CN111515287B (zh) * | 2020-05-19 | 2022-04-08 | 湖南晓光汽车模具有限公司 | 一种超高强度钢板的梯级热冲压成形方法 |
JP2022043699A (ja) * | 2020-09-04 | 2022-03-16 | 住友重機械工業株式会社 | 成形型 |
CN112458265B (zh) * | 2020-11-26 | 2021-10-01 | 燕山大学 | 一种控制板材成形回弹的设备及方法 |
JP7297014B2 (ja) * | 2021-07-16 | 2023-06-23 | 株式会社ジーテクト | プレス用金型 |
CN113953388B (zh) * | 2021-10-19 | 2022-12-16 | 马鞍山钢铁股份有限公司 | 一种冲压成型模具及降低冷冲压回弹的冲压方法 |
CN114749876B (zh) * | 2022-05-20 | 2022-10-28 | 北京钢研高纳科技股份有限公司 | 一种Ti2AlNb合金大型异形机匣环件的制备方法 |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE34665C (de) | Dr. B. KOSMANN, Königl. Bergmeister a. D. und Privatdozent an der Königl. Universität in Breslau | Sprengpatrone für Bergwerke, gefüllt mit Schwefelsäure und Zinkstaub | ||
DD34665A (de) * | ||||
US3703093A (en) * | 1969-11-11 | 1972-11-21 | Aisin Seiki | Process and apparatus for performing a simultaneous and combined press-forming and heat-treatment of steel stock |
SU1340865A1 (ru) * | 1986-03-07 | 1987-09-30 | Ю.Д.Карелин и В.М.Факторович | Штамп дл формообразовани с одновременной закалкой изделий из листового металла |
SE9602257L (sv) | 1996-06-07 | 1997-12-08 | Plannja Hardtech Ab | Sätt att framställa ståldetalj |
DE19943250B4 (de) * | 1999-09-10 | 2005-09-29 | Daimlerchrysler Ag | Werkzeug zum Ziehen von napfförmigen Werkstücken mit kleinem Kantenradius, insbesondere von Sitzkissenrahmen für Fahrzeugsitze |
JP2002241835A (ja) * | 2001-02-20 | 2002-08-28 | Aisin Takaoka Ltd | ワークの部分強化方法 |
JP4326877B2 (ja) * | 2003-08-08 | 2009-09-09 | 住友電装株式会社 | 基板と電気部品の接続構造、及びブレーキ油圧制御ユニット |
DE102004038626B3 (de) | 2004-08-09 | 2006-02-02 | Voestalpine Motion Gmbh | Verfahren zum Herstellen von gehärteten Bauteilen aus Stahlblech |
JP4664781B2 (ja) | 2005-09-12 | 2011-04-06 | 新日本製鐵株式会社 | 熱間プレス成形用金型および熱間プレス成形装置並びに熱間プレス成形方法 |
DE102006019395A1 (de) * | 2006-04-24 | 2007-10-25 | Thyssenkrupp Steel Ag | Vorrichtung und Verfahren zum Umformen von Platinen aus höher- und höchstfesten Stählen |
US8349100B2 (en) * | 2009-01-23 | 2013-01-08 | Fukai Seisakusho Co., Ltd. | Method for press-molding embossed steel plate |
JP2009082992A (ja) * | 2009-01-30 | 2009-04-23 | Nippon Steel Corp | 熱間成形方法 |
DE102009018798A1 (de) | 2009-04-24 | 2009-10-29 | Daimler Ag | Vorrichtung zum Warmumformen eines Werkstückes, insbesondere von Metallblech |
DE102009020423A1 (de) | 2009-05-08 | 2010-11-11 | Bayerische Motoren Werke Aktiengesellschaft | Teileverbund mit einem pressgehärteten Blechbauteil |
DE102009043926A1 (de) * | 2009-09-01 | 2011-03-10 | Thyssenkrupp Steel Europe Ag | Verfahren und Vorrichtung zur Herstellung eines Metallbauteils |
DE102009060388A1 (de) * | 2009-12-24 | 2011-06-30 | Schuler Cartec GmbH & Co. KG, 73033 | Mehrstufiges direktes Formhärten |
RU2422542C1 (ru) * | 2009-12-28 | 2011-06-27 | Открытое акционерное общество "Чусовской металлургический завод" | Способ гибки и объемно-поверхностной закалки рессорных листов из сталей пониженной прокаливаемости и установка для его осуществления |
DE102010012579B3 (de) * | 2010-03-23 | 2011-07-07 | Benteler Automobiltechnik GmbH, 33102 | Verfahren und Vorrichtung zur Herstellung von gehärteten Formbauteilen |
-
2011
- 2011-11-23 DE DE102011055643A patent/DE102011055643A1/de not_active Ceased
-
2012
- 2012-10-16 US US14/360,079 patent/US9770750B2/en not_active Expired - Fee Related
- 2012-10-16 RU RU2014125268A patent/RU2606359C2/ru active
- 2012-10-16 ES ES12778287.8T patent/ES2569351T3/es active Active
- 2012-10-16 CA CA2856679A patent/CA2856679C/en not_active Expired - Fee Related
- 2012-10-16 CN CN201280056800.4A patent/CN103958087B/zh not_active Expired - Fee Related
- 2012-10-16 JP JP2014542744A patent/JP5886977B2/ja not_active Expired - Fee Related
- 2012-10-16 EP EP12778287.8A patent/EP2782689B1/de active Active
- 2012-10-16 HU HUE12778287A patent/HUE027539T2/en unknown
- 2012-10-16 PL PL12778287.8T patent/PL2782689T3/pl unknown
- 2012-10-16 WO PCT/EP2012/070445 patent/WO2013075888A1/de active Application Filing
- 2012-10-16 KR KR1020147017102A patent/KR20140094021A/ko not_active Application Discontinuation
- 2012-10-16 MX MX2014006178A patent/MX341647B/es active IP Right Grant
Non-Patent Citations (1)
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See references of WO2013075888A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2013075888A1 (de) | 2013-05-30 |
EP2782689B1 (de) | 2016-02-03 |
CA2856679C (en) | 2019-10-29 |
RU2014125268A (ru) | 2015-12-27 |
US9770750B2 (en) | 2017-09-26 |
JP2014533608A (ja) | 2014-12-15 |
HUE027539T2 (en) | 2016-11-28 |
CN103958087B (zh) | 2016-03-02 |
ES2569351T3 (es) | 2016-05-10 |
RU2606359C2 (ru) | 2017-01-10 |
JP5886977B2 (ja) | 2016-03-16 |
CA2856679A1 (en) | 2013-05-30 |
US20140311205A1 (en) | 2014-10-23 |
CN103958087A (zh) | 2014-07-30 |
DE102011055643A1 (de) | 2013-05-23 |
PL2782689T3 (pl) | 2016-12-30 |
MX2014006178A (es) | 2014-06-19 |
KR20140094021A (ko) | 2014-07-29 |
MX341647B (es) | 2016-08-26 |
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