EP2365100A2 - Procédé pour produine une piece moulee ayant au moins deux domaines de structure avec des ductilites differentes - Google Patents

Procédé pour produine une piece moulee ayant au moins deux domaines de structure avec des ductilites differentes Download PDF

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Publication number
EP2365100A2
EP2365100A2 EP10401175A EP10401175A EP2365100A2 EP 2365100 A2 EP2365100 A2 EP 2365100A2 EP 10401175 A EP10401175 A EP 10401175A EP 10401175 A EP10401175 A EP 10401175A EP 2365100 A2 EP2365100 A2 EP 2365100A2
Authority
EP
European Patent Office
Prior art keywords
buffer
semi
semifinished product
continuous furnace
furnace
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
Application number
EP10401175A
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German (de)
English (en)
Other versions
EP2365100B1 (fr
EP2365100A3 (fr
EP2365100B8 (fr
Inventor
Marc Horlacher
Markus Löcker
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kirchhoff Automotive Deutschland GmbH
Original Assignee
Kirchhoff Automotive Deutschland GmbH
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Publication of EP2365100A3 publication Critical patent/EP2365100A3/fr
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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
    • 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
    • C21D1/84—Controlled slow 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
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/0062—Heat-treating apparatus with a cooling or quenching zone
    • 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
    • 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

Definitions

  • the invention relates to a method for producing a molded part having at least two structural regions of different ductility from a semifinished product, in particular a board made of hardenable steel with a heating in a continuous furnace and a curing process, wherein the semifinished product is heated in the continuous furnace to Austenitmaschinestemperatur, hereinafter a first Partial region of the semifinished product is cooled to a temperature at which the structure of the portion is converted into ferritic-pearlitic structure, while a second portion of the semifinished product is kept at Austenitmaschinestemperatur, subsequently the semifinished product is formed and annealed in a press-hardening tool to the molding.
  • a B-pillar is known as a body component for a motor vehicle, said B-pillar is designed in the form of a longitudinal profile having a first length section with a predominantly martensitic material structure and a strength over 1,400 N / mm 2 and a second length section of higher ductility with having a predominantly ferritic-pearlitic material structure and a strength of less than 850 N / mm 2 .
  • a method of manufacturing a metal mold component for automotive components which has regions with higher ductility.
  • a board made of suitable steel is provided which in partial areas, which should have a higher strength than the rest of the component in the finished molded component, in a time of less than 30 seconds to a temperature between 600 ° C and 900 ° C is brought.
  • the heat-treated board is formed in a press tool to form the molding. The remuneration is also made in the press tool.
  • a method of a similar kind is known.
  • a board or a semi-finished product is heated to Austenitmaschinestemperatur and then inserted into a forming tool with a press.
  • the shaping of the semifinished product and quenching of the semifinished product takes place by the contact with the forming tool.
  • the semi-finished product is then shaped and cured in the forming tool.
  • the present invention seeks to provide a method which is easy to control, energie attorney can be operated and a treatment and shaping of corresponding semi-finished products or boards in the Taktrythmus of Presshärtetechnikmaschinemaschinees without affecting the flow rate through the continuous furnace allows.
  • the invention proposes that the semifinished product, after passing through the continuous furnace with the second portion, is inserted into a chamber of a buffer, in particular a buffer furnace, which keeps the second portion at austenitizing temperature, while the first portion is out of the chamber of the buffer , in particular projects the buffer furnace and this projecting area is cooled in air or with air to the temperature, in which the ferritic-pearlitic structure is formed, the semifinished product is subsequently removed from the intermediate store, in particular the buffer oven, and transferred to the press-hardening tool for the purpose of forming and tempering.
  • a buffer in particular a buffer furnace
  • the continuous furnace can be operated continuously at normal speed.
  • the semifinished product After passing through the continuous furnace, the semifinished product is placed in the buffer store and held there in partial areas at Austenitmaschinestemperatur and cooled in some areas such that adjusts a ferritic-pearlitic structure.
  • the storage of the semifinished product in the buffer does not affect the speed of passage of the parts through the continuous furnace.
  • the semifinished product is removed from the intermediate store and cyclically transferred to the hardening tool for the purpose of forming and tempering. This procedure is easy to control and readily applicable to different geometries of the semifinished product.
  • the cache can be designed differently.
  • the temporary storage is provided as a buffer oven, which is equipped with the semi-finished, so that the second portion is within the furnace chamber of the buffer furnace or in a corresponding heat range of the buffer, while the first portion of the semifinished in a suitable manner slowly to target temperature is cooled.
  • the cooling process can take place over a time range of approximately 60 seconds.
  • the buffer in particular the buffer furnace in its furnace chamber has several deposit areas for several semi-finished parts, wherein the time sequentially removed from the continuous furnace semi-finished parts are each inserted into one of the deposit areas and cyclically passed to the press hardening tool after the partial cooling ,
  • This design makes it possible to store a plurality of semi-finished products or blanks in the buffer, so that a continuous decrease of semi-finished products can take place from the continuous furnace and the removal of the semi-finished parts can be cyclically carried out according to the desired cooling to the hardening tool without the speed of the Continuous furnace would have to be reduced.
  • the recording capacity of the buffer is adapted to the sequence of the procedure, so that also the hardening tool can work in the corresponding working cycle.
  • a possible training for this purpose is seen in that two buffers, in particular buffer ovens are positioned on both sides next to the exit of the continuous furnace, which are alternately charged with semi-finished, which is removed from the continuous furnace.
  • the air stream serving for cooling being guided into the gap between the first portion of the semifinished product and the water cooling is preferably sucked through this gap.
  • the water cooling above the entire semi-finished part, which forms the first portion extends.
  • This transition region is to make different width depending on the application of the finished molded part.
  • an oven door at Output end of the continuous furnace is provided above a zone of the semi-finished product, which is formed between the first and second partial area, wherein the width of the zone is determined by the thickness of the oven door.
  • this transition region can be determined so that it can be, for example, at least 40 mm and a maximum of 200 mm. Especially in the automotive industry, in which moldings are desired that have a specific crash behavior, this variable transition area is conducive to ensure appropriate performance of the finished workpiece.
  • the temporary storage is generated by an extension of the discharge area of the continuous furnace, wherein the semi-finished products each lifted with the second portion within the extension of the support plane of the continuous furnace and is shifted to one or more below or above or formed levels while each of the first portions of the continuous furnace or the extension in the transport direction of the continuous furnace are projecting positioned and cooled.
  • the buffer is not a separate element, which is to be arranged for example next to the outlet end of the continuous furnace, but the buffer is by an extension of the delivery area of the continuous furnace itself generated.
  • this extension of the continuous furnace a positioning of the semi-finished products heated in the continuous furnace in the desired manner, so that the second portion remains within the corresponding region of the continuous furnace, while the first portion of the semi-finished protrudes from this extension of the continuous furnace and in This projecting region can be cooled, as described above.
  • Such a configuration is low energy, but the continuous furnace must be designed accordingly.
  • the intermediate memory has contact areas or contact zones with different temperatures, in particular austenitizing temperature on the one hand and a temperature at which the ferritic-pearlitic structure is formed, so that the semifinished product deposited thereon forms corresponding structural zones in different areas ,
  • the buffer can have heated areas and cooled areas which form contact areas or contact zones on which the semifinished product is deposited, so that different areas of the semifinished product can be kept or cooled to the desired degree to temperature.
  • the invention further relates to an apparatus for producing molded parts, each having two structural regions of different ductility from semi-finished products, in particular blanks, made of hardenable steel, consisting of a continuous furnace with a continuous conveyor, by means of which the semifinished product can be transported through the continuous furnace, and a press-hardening tool of which the semifinished product is tempered and formed into the molded part.
  • At least one intermediate storage is provided, and at least one handling apparatus for handling the semifinished product, by means of which the semifinished products can be received at the delivery end of the continuous furnace and in the intermediate storage can be stored, wherein the buffer has a first heated portion for receiving a second portion of the semi-finished part, and a second cooled portion for receiving a first portion of the semi-finished part, further comprising a handling apparatus or the handling apparatus is provided by means of which the semi-finished parts be removed from the cache and inserted into the press hardening tool.
  • the arrangement of the buffer including the corresponding handling apparatus ensures that on the one hand the continuous furnace can be operated continuously, on the other hand, the press hardening tool can be operated in the best possible power stroke, wherein the corresponding moldings can be stored, brought to the desired temperature by the buffer and the handling apparatuses and then converted and tempered in the press hardening tool.
  • a handling apparatus In coordination with the working cycle either a handling apparatus can be sufficient, which takes over both the moldings from the continuous furnace and spends in the buffer, as well as the intermediate parts in the form of molded parts transferred to the press hardening tool. If the power stroke does not allow the arrangement of a single handling apparatus, the arrangement of, for example, two handling devices is possible by means of which the two working operations can be performed.
  • the temporary storage has a plurality of storage spaces for semi-finished parts.
  • the temporary storage and / or storage locations of the temporary storage medium are or are vertically adjustable parallel to the transport direction of the continuous conveyor and / or transversely thereto.
  • the temporary storage or the storage locations of the buffer in the transport direction of the continuous conveyor for example, in the direction of the handling apparatus and formed away from it. Furthermore, they are vertically adjustable trained, so that by means of the handling apparatus can always be worked on the same horizontal plane and the different storage spaces of the cache are adjustable in this plane so that either moldings inserted or moldings can be removed.
  • the storage spaces of the buffer store have heatable and / or coolable contact areas, on which a semi-finished part can be stored and heated in appropriate zones and / or cooled.
  • the buffer is a buffer furnace whose entrance has an oven door, so that the inserted semi-finished part is arranged with the second portion inside the buffer furnace and with the first portion outside thereof, wherein in the region of the arrangement of the first portion a cooling device is arranged.
  • the transition area between the two areas with different ductility is influenced by the corresponding dimensioning of the oven door, ie its thickness, ie it is increased or decreased, depending on the desired design of the molded part.
  • the cooling device is an air cooling with fan.
  • the cooling device is coupled to a suction fan, so that the air flow is sucked off.
  • a plate-shaped water cooling element is arranged, wherein an educated between this and the portion of the semi-finished part gap to the cooling device, in particular a fan with cooling air is connected.
  • the area of the water cooling element facing the semifinished part is dyed black.
  • such a plate-shaped water cooling element designed in the form of a cooling plate ensures equalization of the cooling, which leads to a homogeneous structure in the cooled region of the molded part.
  • the plate-shaped water cooling element may preferably consist of steel with good heat conduction.
  • the method is used to produce a molded part having at least two structural regions of different ductility from a semifinished product 1, in particular a circuit board, made of hardenable steel.
  • a plant for the realization of the method consists for example of a continuous furnace 2, which has a continuous conveyor, which runs through the continuous furnace 2 and which transports the semifinished product 1, in particular the blanks, in the direction of passage 3.
  • the semifinished product 1 is heated to Austenitmaschinestemperatur, for example to about 930 ° C.
  • a first portion 4 of the semifinished product 1 is cooled to a temperature at which the structure of the portion 4 is converted into a ferritic-pearlitic structure. This happens at approx. 500 ° C. The cooling is sufficiently slow that the desired structure can be formed.
  • a second portion 5 of the semifinished product is kept at Austenitmaschinestemperatur, ie at about 930 ° C.
  • the semifinished product 1 is introduced into a pressing tool 6 and shaped and tempered therein.
  • a pressing tool 6 Such press hardening tools are known in the art.
  • the semifinished product 1 after passing through the continuous furnace 2 with the second portion 5 in a chamber of a buffer 7, for example in the form of a buffer furnace 8 is inserted, as illustrated by the movement arrow 9.
  • the second subregion 5 is thus kept at austenitizing temperature in the corresponding intermediate store 7 or in the buffer oven 8, which is heated accordingly.
  • the first portion 4 protrudes from the chamber of the buffer 7, in particular the buffer furnace 8 before.
  • This projecting area is cooled slowly in air or preferably with air to the temperature at which the ferritic-pearlitic structure is formed.
  • the cooling time is about 60 seconds, for example.
  • the air used for cooling sucked by means of a blower.
  • the semi-finished product 1 pretreated in this way is then removed from the intermediate storage 7, in particular the buffer oven 8, and transferred to the hardening tool 6 for the purpose of forming and tempering, as illustrated by the movement arrow 10.
  • two intermediate storage 7 or two buffer ovens 8 can be positioned on both sides next to the exit of the continuous furnace 2, which are alternately charged with semifinished product 1, which is removed from the continuous furnace 2.
  • the furnace chamber of the buffer 7 or the buffer furnace 8 is closed by an oven door 11 to the outside except for a passage gap for the semifinished product 1.
  • a water cooling 12 is provided in the first portion 4 of the semifinished product 1, by means of which the cooling effect is enhanced.
  • the air stream serving for cooling is guided into the gap 13 between the first subregion 4 and the water cooling 12, preferably through this gap 13 sucked, so that the cooling effect is enhanced to affect the desired course of cooling according to the desired timing.
  • the water cooling 12 is located above the entire semi-finished part 1, which forms the first portion 4.
  • the water cooling may also extend below the area of the oven door 11 (partially).
  • the transition region which forms between the first subregion 4 and the second subregion 5 can be enlarged or reduced, so that it can correspond to the requirements of the finished workpiece, for example 40 mm or up to 200 mm ,
  • the buffer 7 can be generated by an extension 15 of the delivery area of the continuous furnace 2.
  • the semi-finished parts 1 can each be lifted with the second portion 5 within the extension 15 of the support plane of the continuous furnace 2 or otherwise transported in the transverse direction, so that they can be moved into several levels below or above, as in FIG. 3 is illustrated, wherein each of the first portions 4 from the continuous furnace 2 and the extension 15 in the transport direction 3 of the continuous furnace 2 are projecting positioned and cooled, as also in FIG. 3 is illustrated.
  • the Continuous furnace 2 can be used to form the intermediate memory 7.
  • a corresponding latch 7 may be provided with contact surfaces 16, 17 in the storage areas of the semifinished products 1, are positioned on each of the semi-finished parts 1, wherein these contact surfaces or contact zones 16, 17 have different temperatures.
  • the austenitizing temperature can thus be maintained in the region, for example of the contact surfaces 17, while on the other hand a lower temperature is provided in the regions 16, in which the ferritic-pearlitic structure is formed. In this way it is possible to form the semifinished product 1 deposited thereon in different regions with corresponding structural zones.
  • the movements which are indicated by the movement arrows 9 and 10, respectively, can be generated by handling apparatuses which are designed and provided for handling the molded parts 1. For the sake of clarity, these handling devices are not shown in the drawing. For carrying out the handling operations according to movement arrows 9, 10, one and the same handling unit can be used, provided that the cycle time is sufficient and / or but two separate handling devices or more may be provided, if this is necessary to achieve the required Cycle time is required.
  • FIG. 2 illustrates the storage locations of the buffer 7 can also be adjusted parallel to the transport direction in the direction of the movement arrow 18 in order to simplify the handling operation or to facilitate the positioning of the semifinished product 1. Also, a vertical adjustment is possible, as indicated by the movement arrow 19 in FIG. 3 is illustrated. The corresponding movements can be generated by corresponding units in all illustrated embodiments.
  • the water cooling device 12 is preferably designed as a plate-shaped element, wherein this plate-shaped element has a size such that at least the first region of the deposited semi-finished product is completely covered.
  • a plate-shaped water cooling element is formed of steel, which is dyed black on its surface facing in the first region 4, in order to absorb the radiant heat particularly well.
  • the corresponding semifinished parts 1, in particular blanks can thus be formed with at least two structural areas of different ductility.
  • the temperature in the first sub-range, can be set such that a strength of 550 to 700, under certain circumstances even up to 900 N / mm 2 is achieved.
  • a martensitic microstructure is provided by appropriate temperatures, in the end result of this area after forming in the Press hardening tool may have a strength of 1350 to 1650 N / mm 2 .
  • two semi-finished parts 1 are always transported in pairs through the continuous furnace, the conveying speed is turned off so that in the 10 second rhythm at the end corresponding semifinished products can be removed by handling equipment, which are then transferred to corresponding buffer 7.
  • the elements each remain for 60 seconds.
  • a batch-wise charging of the press-hardening tool 6 can take place so that maximum application is possible without the continuous furnace 2 having to be clocked or slowed down in terms of its conveying speed.
  • the invention is not limited to the exemplary embodiments, but is often variable within the scope of the disclosure.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Mechanical Engineering (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Meat, Egg Or Seafood Products (AREA)
EP10401175.4A 2010-03-04 2010-10-15 Procédé et dispositif pour produine une piece moulee ayant au moins deux domaines de structure avec des ductilites differentes Active EP2365100B8 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010010156A DE102010010156A1 (de) 2010-03-04 2010-03-04 Verfahren zur Herstellung eines Formteiles mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität

Publications (4)

Publication Number Publication Date
EP2365100A2 true EP2365100A2 (fr) 2011-09-14
EP2365100A3 EP2365100A3 (fr) 2014-02-19
EP2365100B1 EP2365100B1 (fr) 2016-05-18
EP2365100B8 EP2365100B8 (fr) 2016-09-21

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EP10401175.4A Active EP2365100B8 (fr) 2010-03-04 2010-10-15 Procédé et dispositif pour produine une piece moulee ayant au moins deux domaines de structure avec des ductilites differentes

Country Status (7)

Country Link
US (1) US8460484B2 (fr)
EP (1) EP2365100B8 (fr)
CN (1) CN102191362B (fr)
DE (2) DE102010010156A1 (fr)
ES (1) ES2587188T3 (fr)
HU (1) HUE029747T2 (fr)
PL (1) PL2365100T3 (fr)

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DE202012007777U1 (de) 2012-06-22 2012-09-18 Steinhoff & Braun's Gmbh Vorrichtung zur Herstellung eines Metallbauteils
DE102011114764A1 (de) * 2011-10-01 2013-04-04 Volkswagen Aktiengesellschaft Verfahren zur Herstellung formgehärteter Bauteile und Durchlaufofen zum Erwärmen einer zum Formhärten vorgesehenen Platine
EP2767599A1 (fr) * 2013-02-14 2014-08-20 Benteler Automobiltechnik GmbH Ligne de traitement thermique et procédé de fonctionnement de la ligne de traitement thermique
DE102013114014A1 (de) 2013-12-13 2015-06-18 Kirchhoff Automotive Deutschland Gmbh Durchlaufofen zum Erwärmen von Metallplatinen
WO2015110456A1 (fr) * 2014-01-23 2015-07-30 Schwartz Gmbh Dispositif de traitement thermique
EP2497840B1 (fr) 2011-03-10 2017-05-03 Schwartz GmbH Système de four et procédé pour le réchauffage partiel d'ébauches métalliques
WO2018095825A1 (fr) * 2016-11-22 2018-05-31 Voestalpine Stahl Gmbh Procédé de réchauffage rapide d'une feuille d'acier
DE102021109676A1 (de) 2021-04-16 2022-10-20 Aerospace Transmission Technologies GmbH Härtezelle zur Wärmebehandlung von metallischen Werkstücken
EP4321631A3 (fr) * 2021-03-30 2024-02-28 G-Tekt Corporation Procédé de moulage, système de traitement thermique et produit moulé

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DE102013104229B3 (de) * 2013-04-25 2014-10-16 N. Bättenhausen Industrielle Wärme- und Elektrotechnik GmbH Vorrichtung zum Presshärten von Bauteilen
DE102014110415B4 (de) 2014-07-23 2016-10-20 Voestalpine Stahl Gmbh Verfahren zum Aufheizen von Stahlblechen und Vorrichtung zur Durchführung des Verfahrens
DE102014014563A1 (de) 2014-09-30 2015-04-02 Daimler Ag Pressvorrichtung zum Umformen eines Bauteiles und Verfahren zum Betrieb einer Kühlvorrichtung
CN105772584B (zh) * 2014-12-22 2019-01-01 上海赛科利汽车模具技术应用有限公司 改善零件成型性能的热成型工艺及成型装置
DE102015101668A1 (de) * 2015-02-05 2016-08-11 Benteler Automobiltechnik Gmbh Zweifach fallendes Heiz- und Formwerkzeug sowie Verfahren zur Herstellung warmumgeformter und pressgehärteter Kraftfahrzeugbauteile
DE102015105585B4 (de) * 2015-04-13 2018-07-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines Werkstücks aus Metallblech und Werkstück aus Metallblech
CN104942109B (zh) * 2015-07-01 2017-03-01 上海凌云汽车模具有限公司 生产变强度热成型零件的设备
DE102016202766A1 (de) * 2016-02-23 2017-08-24 Schwartz Gmbh Wärmebehandlungsverfahren und Wärmebehandlungsvorrichtung
DE102016201025A1 (de) * 2016-01-25 2017-07-27 Schwartz Gmbh Wärmebehandlungsverfahren und Wärmebehandlungsvorrichtung
EP3211103B1 (fr) 2016-02-25 2020-09-30 Benteler Automobiltechnik GmbH Procédé de fabrication d'un élément de véhicule automobile comprenant au moins deux zones de fixation différentes l'une de l'autre
CA3012712A1 (fr) 2016-03-29 2017-10-05 Magna International Inc. Montant milieu presentant des proprietes adaptees
US10335845B2 (en) 2016-04-20 2019-07-02 Ford Global Technologies, Llc Hot-stamping furnace and method of hot stamping
US10350664B2 (en) 2016-06-30 2019-07-16 Ford Global Technologies, Llc Furnace assembly and method for hot-stamping vehicle components
DE102016114658B4 (de) * 2016-08-08 2021-10-14 Voestalpine Metal Forming Gmbh Verfahren zum Formen und Härten von Stahlwerkstoffen
US20180363096A1 (en) * 2017-06-16 2018-12-20 Ford Global Technologies, Llc Method for forming varied strength zones of a vehicle component
US20190106764A1 (en) * 2017-10-11 2019-04-11 Toyota Jidosha Kabushiki Kaisha Steel plate member and method of producing the steel plate member
DE102020106139A1 (de) * 2020-03-06 2021-09-09 Schwartz Gmbh Thermisches Behandeln eines Bauteils
CN111229909A (zh) * 2020-03-20 2020-06-05 苏州宝昱来智能装备有限公司 一种新型差强板成型装置
DE102020116593A1 (de) * 2020-06-24 2021-12-30 AICHELIN Holding GmbH Wärmebehandlungsanlage und Verfahren zur Herstellung von Formbauteilen

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EP2497840B1 (fr) 2011-03-10 2017-05-03 Schwartz GmbH Système de four et procédé pour le réchauffage partiel d'ébauches métalliques
EP2497840B2 (fr) † 2011-03-10 2020-02-26 Schwartz GmbH Système de four pour le réchauffage partiel d'ébauches métalliques
DE102011114764A1 (de) * 2011-10-01 2013-04-04 Volkswagen Aktiengesellschaft Verfahren zur Herstellung formgehärteter Bauteile und Durchlaufofen zum Erwärmen einer zum Formhärten vorgesehenen Platine
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WO2013189597A1 (fr) 2012-06-22 2013-12-27 Steinhoff & Braun's Gmbh Procédé et dispositif de fabrication d'un composant métallique trempé à la presse
DE102012016075B4 (de) * 2012-06-22 2014-02-27 Steinhoff & Braun's Gmbh Verfahren und Vorrichtung zur Herstellung eines Metallbauteils
DE202012007777U1 (de) 2012-06-22 2012-09-18 Steinhoff & Braun's Gmbh Vorrichtung zur Herstellung eines Metallbauteils
EP2767599A1 (fr) * 2013-02-14 2014-08-20 Benteler Automobiltechnik GmbH Ligne de traitement thermique et procédé de fonctionnement de la ligne de traitement thermique
DE102013114014A1 (de) 2013-12-13 2015-06-18 Kirchhoff Automotive Deutschland Gmbh Durchlaufofen zum Erwärmen von Metallplatinen
DE102013114014B4 (de) * 2013-12-13 2017-03-16 Kirchhoff Automotive Deutschland Gmbh Durchlaufofen zum Erwärmen von Metallplatinen
EP2905346A1 (fr) * 2014-01-23 2015-08-12 Schwartz GmbH Dispositif de traitement de la chaleur
WO2015110456A1 (fr) * 2014-01-23 2015-07-30 Schwartz Gmbh Dispositif de traitement thermique
WO2018095825A1 (fr) * 2016-11-22 2018-05-31 Voestalpine Stahl Gmbh Procédé de réchauffage rapide d'une feuille d'acier
EP4321631A3 (fr) * 2021-03-30 2024-02-28 G-Tekt Corporation Procédé de moulage, système de traitement thermique et produit moulé
DE102021109676A1 (de) 2021-04-16 2022-10-20 Aerospace Transmission Technologies GmbH Härtezelle zur Wärmebehandlung von metallischen Werkstücken

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DE102010010156A1 (de) 2011-09-08
EP2365100B1 (fr) 2016-05-18
CN102191362A (zh) 2011-09-21
EP2365100A3 (fr) 2014-02-19
PL2365100T3 (pl) 2016-11-30
US20110214786A1 (en) 2011-09-08
US8460484B2 (en) 2013-06-11
EP2365100B8 (fr) 2016-09-21
ES2587188T3 (es) 2016-10-21
HUE029747T2 (hu) 2017-04-28
DE202010018370U1 (de) 2016-01-28
CN102191362B (zh) 2015-08-19

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