WO2010048951A1 - Procédé et dispositif de régulation de température d'un corps de tôle d'acier - Google Patents

Procédé et dispositif de régulation de température d'un corps de tôle d'acier Download PDF

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Publication number
WO2010048951A1
WO2010048951A1 PCT/DE2009/075064 DE2009075064W WO2010048951A1 WO 2010048951 A1 WO2010048951 A1 WO 2010048951A1 DE 2009075064 W DE2009075064 W DE 2009075064W WO 2010048951 A1 WO2010048951 A1 WO 2010048951A1
Authority
WO
WIPO (PCT)
Prior art keywords
steel sheet
contact
sheet body
contact plate
temperature
Prior art date
Application number
PCT/DE2009/075064
Other languages
German (de)
English (en)
Inventor
Andrey Prihodovsky
Vasily Ploshikhin
Jürgen Kaiser
Udo Bach
Original Assignee
Neue Materialien Bayreuth Gmbh
Priority date (The priority date 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 date listed.)
Filing date
Publication date
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40512180&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2010048951(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Neue Materialien Bayreuth Gmbh filed Critical Neue Materialien Bayreuth Gmbh
Publication of WO2010048951A1 publication Critical patent/WO2010048951A1/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
    • B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
    • 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
    • C21D1/34—Methods of heating

Definitions

  • the invention relates to a method and a device for tempering a steel sheet body.
  • metal sheets or sheet metal parts made of high-strength steel alloys are used, for example, in automobile bodies, which allow for the same strength a design with lower sheet thickness.
  • high strength sheets sometimes do not have sufficient deformability on cold forming. Therefore, for forming workpieces made of high-strength metal sheets forming processes at elevated temperatures, ie hot forming processes, such as the so-called press hardening used.
  • the sheet metal plates to be reshaped are completely austenitized by heating to a temperature above A C 3 (so-called austenitization) and then placed in a pressing tool, formed (so-called hot forming) and cooled and hardened in the tool (so-called direct press hardening).
  • roller pass furnaces are used to heat the sheet steel body during austenitizing.
  • the steel sheet body is placed in the oven and heated relatively slowly during the passage through the roller conveyor.
  • the residence time of the steel sheet body within the furnace is typically about 5 to 10 minutes.
  • the steel sheet body After the steel sheet body has passed through the oven or was heated by other heating methods, this is immediately inserted into a pressing tool. Then the forming phase of the process is initiated, with the two halves of the tool being closed. By contact with the usually water-cooled tool comes during the rapid cooling of the steel sheet body. The mold halves must be closed before the steel sheet body cools down to the temperature of the martensitic microstructure transformation (about 400 ° C.). After this forming step is completed, the formed component remains in the mold and is further quenched, thereby completing the induced martensitic microstructure transformation and achieving the final properties of the component. The transport between the furnace and the pressing tool represents a fault-prone process step.
  • the temperature of the sheet material only limited control and control because the temporal and thermal conditions during the transfer of the steel sheet body from the furnace into a subsequent forming tool not accurate defined and safely reproduced. This can lead to uncontrollable changes in the properties of the sheet material and thus the Umform s.
  • Sheet material in the tool to a temperature that allows the demolding, a relatively long period of time is necessary.
  • the object of the invention is to provide a method and a device for tempering at least one steel sheet body between austenitizing and hot working.
  • the wear of the tools should be reduced by the smaller temperature gradients and less shrinkage of the steel sheet body in the tool.
  • shortening the cycle times of the press should be achieved by reducing the cooling time in the mold.
  • This object is achieved by a method having the features of patent claim 1.
  • Advantageous embodiments of the method are realized in the subclaims 2-8.
  • the object is achieved by the features of claim 9.
  • Advantageous embodiments of the method are realized in the subclaims 10-14.
  • the steel sheet body located at austenitizing temperature is fixed in position, at least one first contact plate is brought into contact with at least one first surface portion of the steel sheet body and at least one second contact plate with at least one second Surface portion of the steel sheet body brought into contact.
  • Contact plates are flat substantially or completely formed according to the contour of the surface portions of the sheet steel body and arranged in the state of contact with the sheet steel body substantially parallel to each other. At least one contact plate has during the contacting of the steel sheet body with respect to the steel sheet body lower temperature.
  • a sheet steel body here are both single substantially planar-shaped sheets and steel blanks, as well as three-dimensionally shaped sheet metal body made of steel and also components that are composed of several such sheets understood.
  • the austenitizing temperature is understood to mean the temperature above A C3 at which the steel sheet body was austenitized. -A-
  • the method according to the invention can be used variably.
  • the temperature which the contact plate has or on which the steel sheet body is brought, as well as the period of time for which the contact between contact plates and steel sheet body, can be chosen almost arbitrarily.
  • the contact between sheet steel body and contact plates may be formed such that the contact plates and the sheet steel body touch directly. However, it may also be an intermediate layer, such as a contact agent, which improves the temperature balance between the contact plate and sheet steel body, be present.
  • the area associated with the contact plates surface portions can both extend over large parts of the sheet steel body or completely cover this and form only small, localized areas of the sheet steel body. If only locally limited areas are connected to the contact plates, a local thermal treatment of the steel sheet body can be carried out.
  • a sheet metal plate made of a steel having the composition 22MnB5 and having an AISiI O coating as steel sheet body, which is at austenitizing temperature is fixed between a first contact plate and a second contact plate.
  • the contact plates have a temperature between 400 0 C and 600 0 C.
  • At least one contact plate can during the contacting a
  • Temperature between 300 ° C and 800 0 C, preferably between 400 0C and 600 0 C, possess.
  • the contact plates can be pressed onto the sheet steel body. This has the advantage that a contact between contact plates and metal body is ensured particularly secure. In addition, thereby minimizing the delays is particularly effective possible.
  • the temperature of the at least one contact plate with higher temperature before and / or during the contacting of the Steel sheet body are controlled by the contact plates by a temperature control device.
  • Temperature control device to be controlled.
  • the temperature can be controlled in at least a portion of the at least one contact plate with a higher temperature before and / or during the contacting of the steel sheet body with the contact plates by a temperature control device.
  • the steel sheet body may be a protective layer, in particular an aluminum
  • Si protective layer or a zinc protective layer Si protective layer or a zinc protective layer.
  • high-strength, galvanized sheets and sheet metal parts can be used from the body shop.
  • the contact between metal body and contact plate prevents the damage or destruction of the
  • the device according to the invention is designed to carry out the method according to the invention and has a first surface formed contact plate, a second flat contact plate, which is arranged substantially parallel to the first contact plate, at least one heat source, which is in communication with at least one of the contact plates, and a closing device for varying the distance of the mutually parallel contact plates.
  • the device may have a temperature control device and / or a temperature control device.
  • the contact plates can be made of a metal and / or ceramic.
  • the at least one heat source can be integrated in a contact plate.
  • the at least one heat source can be inductive or conductive
  • At least one contact plate may have cooling channels.
  • the contact plates can both be made of the same material as well as of different materials.
  • contact plates that are heated made of a metallic material, such as steel.
  • Contact plates that are not heated may preferably be made of both metallic and non-metallic materials.
  • contact plates that are not heated made of an insulating material. This has the advantage that the heat loss is reduced.
  • the contact plates may have an insulating layer. Also, the heat loss can be reduced thereby.
  • FIG. 2 is a schematic sectional view of another embodiment of the method according to the invention.
  • Fig. 3a is a schematic sectional view of a first
  • Fig. 3b is a schematic sectional view of a second
  • Fig. 3c is a schematic sectional view of a third method step for an application of the contact plates.
  • Fig. 1 shows a schematic sectional view of an embodiment of the method according to the invention.
  • the steel sheet body 1 has been brought by the displacement of the first contact plate 2 by means of the closing device 11 in the direction 4 with the first contact plate 2 in contact.
  • a first surface portion 6 of the sheet steel body 1 is in communication with the first contact plate 2.
  • the first surface section 6 lies on the upper side of the sheet metal and the second surface section 7 is located on the underside of the sheet metal.
  • the first surface section 6 and the second surface section 7 correspond to a subregion of the upper or lower side of the flat steel sheet body 1.
  • embodiments are also possible in which the first surface section 6 and the second surface section, respectively 7 of the entire bottom or the entire top of a flat sheet steel body 1 correspond.
  • the contact plates 2, 3 are formed flat in accordance with the contour of the surface sections 6, 7 of the steel sheet body 1 and are arranged running parallel to one another in the state of contacting with the metal body 1.
  • the contact plate 2 is varied in its distance from the contact plate 3 by the closing device 11. As a result, the moving apart and moving together of the contact plates 2.3 and thus the contacting of a steel sheet body 1 introduced between these is possible.
  • the contacting can be designed such that the first contact plate 2 and the second contact plate 3 simultaneously with the steel sheet body 1 in
  • a contact plate. 2 be brought into contact with the sheet steel body 1 and only later, a second contact plate 3 added.
  • the second contact plate 3 is or was brought by an energy source 5 to a relative to the steel sheet body 1 lowered temperature.
  • the contact plate 3 is brought to a temperature which is above room temperature but below the austenitizing temperature.
  • Energy source 5 is understood below to mean any device that can be used to heat objects.
  • a cooling device This can either be mounted in the immediate vicinity of one or both of the contact plates 2, 3 or integrated in them.
  • 2.3 cooling channels can be introduced into one or both contact plates. This allows the passage of liquid or gaseous coolants through the contact plates 2,3, resulting in a particularly accurate cooling.
  • the cooling device can thus regulate the temperature of the contact plates 2.3 particularly precisely.
  • the contact plates 2, 3 are arranged running parallel to one another.
  • the second contact plate 3 has an insulation layer 8. By this insulating layer 8, the heat or cooling loss can be reduced.
  • the temperature of the steel sheet body 1 can be kept constant. However, it is also possible to vary the temperature of the steel sheet body 1 in the course of contacting by the defined change in the temperatures of the contact plates 2.3. Thus, a very variable adaptation of the temperature-time curve is possible.
  • the temperature profile along a contact plate 2, 3 can be designed such that an almost constant temperature is established over the entire contact plate 2, 3.
  • the contact plate 2, 3 can also be heated or cooled in such a way that regions with different temperatures form within the contact plate 2, 3.
  • the first surface portion 6 brought into contact with the contact plates 2, 3 and the second surface portion 7 of the sheet steel body 1 may be the same size. However, they can also have different sizes (not shown).
  • a temperature control device 9 and a temperature control device 10 may be attached on the contact plate 2. Furthermore, a temperature sensor element (not shown) may also be attached. This allows the measurement of the temperature of the steel sheet body 1 and / or the contact plates 2,3. The temperature measured in this way can serve, for example, as an input variable for the temperature control device 9 and / or the temperature control device 10, which controls and / or regulates or controls the temperature-time profile of the thermal treatment.
  • the temperature control device 9 can in this case control both the energy source 5 and the cooling device and thus ensure a particularly accurate temperature control of the contact plates 2.3 and thus the sheet steel body 1.
  • the method can also be configured such that a plurality of steel sheet bodies 1 are simultaneously brought into contact with at least one first and / or one at least one second contact plate simultaneously.
  • Fig. 2 shows a schematic sectional view of another embodiment of the method according to the invention.
  • the steel sheet body 1 was brought by moving the first contact plate 2 with this and a second contact plate 3 in contact.
  • the displacement of the two contact plates 2, 3 arranged parallel to one another takes place through the closing device 11.
  • the first contact plate 2 is or has been brought to a temperature reduced relative to the steel sheet body by an energy source 5 and a cooling device (not shown).
  • the second contact plate 3 is or was brought by a further energy source 5 and a further cooling device (not shown) to a relative to the steel sheet body elevated temperature.
  • the first contact plate 2 and the second contact plate 3 can be brought by the energy sources 5 and the cooling devices both to the same temperature and to different temperatures.
  • 3a shows a schematic sectional view of a first method step for tempering the contact plates.
  • the first contact plate 2 and the second contact plate 3 are brought into mutual contact with each other before contacting with the steel sheet body.
  • the second contact plate 3 is heated by the power source 5 to a temperature which is above room temperature and below the Austenitmaschinestemperatur.
  • the temperature is subsequently transferred to the first contact plate 2 which is in contact with the second contact plate 3.
  • 3b shows a schematic sectional view of a second method step for an application of the contact plates, which follows the method step shown in FIG. 3a.
  • the first contact plate 2 and the second contact plate 3 are separated from each other.
  • the steel sheet body 1 located at austenizing temperature is introduced between the separate contact plates 2, 3.
  • 3c shows a schematic sectional view of a third method step for an application of the contact plates 2 and 3, which adjoins the method step illustrated in FIG. 3b.
  • both the first contact plate 2 and the second contact plate 2 have a relation to the steel sheet body 1 lowered temperature.
  • Sheet steel body First contact plate Second contact plate Direction of energy source First surface section Second surface section Insulation layer Temperature control device Temperature control device Closing device

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Heat Treatment Of Articles (AREA)

Abstract

L'invention porte sur un procédé ainsi que sur un dispositif de régulation en température d'au moins un corps de tôle d'acier entre l'austénitisation et le formage à chaud, dans lesquels le corps de tôle d'acier (1) se trouvant à une température d'austénitisation est fixé à son emplacement, au moins une première plaque de contact (2) est mise en contact avec au moins une première partie plane (6) du corps de tôle d'acier (1), au moins une seconde plaque de contact (3) est mise en contact avec au moins une seconde partie plane (7) du corps de tôle d'acier (1), les plaques de contact (2, 3) sont formées de façon plane substantiellement ou totalement en correspondance avec le contour des parties planes (6, 7) du corps de tôle d'acier (1) et sont disposées dans l'état de contact avec le corps de tôle d'acier (1) de façon sensiblement parallèle les unes aux autres, et au moins une plaque de contact (2, 3) possède, pendant le contact avec le corps de tôle d'acier (1), une température inférieure à celle du corps de tôle d'acier (1).
PCT/DE2009/075064 2008-10-29 2009-10-28 Procédé et dispositif de régulation de température d'un corps de tôle d'acier WO2010048951A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP08105692.1A EP2182082B2 (fr) 2008-10-29 2008-10-29 Procédé et dispositif destinés à l'équilibrage de la température d'un corps en tôle d'acier
EP08105692.1 2008-10-29

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Publication Number Publication Date
WO2010048951A1 true WO2010048951A1 (fr) 2010-05-06

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ID=40512180

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Application Number Title Priority Date Filing Date
PCT/DE2009/075064 WO2010048951A1 (fr) 2008-10-29 2009-10-28 Procédé et dispositif de régulation de température d'un corps de tôle d'acier

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Country Link
EP (1) EP2182082B2 (fr)
WO (1) WO2010048951A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150053670A1 (en) * 2013-08-20 2015-02-26 Benteler Automobiltechnik Gmbh Temperature-control station with heating by induction
EP2730346B1 (fr) 2012-11-07 2017-05-10 Benteler Automobiltechnik GmbH Ligne moulée à chaud pour la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse
EP2730665B1 (fr) 2012-11-07 2017-06-14 Benteler Automobiltechnik GmbH Ligne moulée à chaud et procédé de fabrication d'un composant de véhicule automobile déformé à chaud et durci à la presse

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2182082B2 (fr) † 2008-10-29 2018-01-24 Neue Materialien Bayreuth GmbH Procédé et dispositif destinés à l'équilibrage de la température d'un corps en tôle d'acier
SE1000236A1 (sv) 2010-03-16 2011-02-22 Gestamp Hardtech Ab Presshärdningsanläggning och sätt att presshärda
DE102010049802A1 (de) * 2010-10-27 2012-05-03 Schuler Smg Gmbh & Co. Kg Verfahren und Vorrichtung zur Bestimmung der Härte eines pressgehärteten Bauteils
DE102012102193B4 (de) 2012-03-15 2017-04-13 Benteler Automobiltechnik Gmbh Ofenanlage sowie Verfahren zum Betreiben der Ofenanlage
EP2639536B8 (fr) 2012-03-15 2019-06-26 Benteler Automobiltechnik GmbH Installation de four et procédé de fonctionnement de l'installation de four
FR2988401B1 (fr) 2012-03-23 2014-04-25 Snecma Propulsion Solide Outillage de maintien pour traitement thermique de pieces metalliques
DE102013101489B3 (de) * 2013-02-14 2014-06-05 Benteler Automobiltechnik Gmbh Wärmebehandlungslinie und Verfahren zum Betreiben der Wärmebehandlungslinie
EP2905346B1 (fr) * 2014-01-23 2020-09-02 Schwartz GmbH Procede de traitement de la chaleur
DE102014104398B4 (de) * 2014-03-28 2016-06-16 Benteler Automobiltechnik Gmbh Erwärmungsvorrichtung zum konduktiven Erwärmen einer Blechplatine
DE102014104922B4 (de) 2014-04-07 2017-10-19 Voestalpine Stahl Gmbh Vorrichtung und Verfahren zum Kühlen von Stahlblechplatinen
DE102014105519B4 (de) 2014-04-17 2016-05-12 Schuler Pressen Gmbh Vorrichtung und Verfahren zum Vorkühlen von Stahlblechplatinen
DE102015115049B4 (de) 2015-09-08 2018-04-26 Thyssenkrupp Ag Verfahren und Vorrichtung zum Einstellen einer mechanischen Eigenschaft eines Werkstücks aus Stahl

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007009937A1 (de) * 2007-03-01 2008-09-04 Schuler Smg Gmbh & Co. Kg Verfahren zur Umformung einer Platine und Kühlvorrichtung für eine Platine
EP2014777A1 (fr) * 2007-07-11 2009-01-14 Neue Materialien Bayreuth GmbH Procede et dipositif pour le traitement thermique d une tole metallique

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5435378A (en) † 1991-06-04 1995-07-25 Process And Equipment Development, Inc. Apparatus for accurately heating and cooling articles
EP2182082B2 (fr) † 2008-10-29 2018-01-24 Neue Materialien Bayreuth GmbH Procédé et dispositif destinés à l'équilibrage de la température d'un corps en tôle d'acier

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102007009937A1 (de) * 2007-03-01 2008-09-04 Schuler Smg Gmbh & Co. Kg Verfahren zur Umformung einer Platine und Kühlvorrichtung für eine Platine
EP2014777A1 (fr) * 2007-07-11 2009-01-14 Neue Materialien Bayreuth GmbH Procede et dipositif pour le traitement thermique d une tole metallique

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2730346B1 (fr) 2012-11-07 2017-05-10 Benteler Automobiltechnik GmbH Ligne moulée à chaud pour la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse
EP2730665B1 (fr) 2012-11-07 2017-06-14 Benteler Automobiltechnik GmbH Ligne moulée à chaud et procédé de fabrication d'un composant de véhicule automobile déformé à chaud et durci à la presse
US9694408B2 (en) 2012-11-07 2017-07-04 Benteler Automobiltechnik Gmbh Hot forming line and method for producing a hot formed and press hardened motor vehicle part
DE102012110650C5 (de) * 2012-11-07 2017-12-14 Benteler Automobiltechnik Gmbh Warmformlinie zur Herstellung warmumgeformter und pressgehärteter Stahlblechprodukte
DE102012110649C5 (de) 2012-11-07 2018-03-01 Benteler Automobiltechnik Gmbh Warmformlinie sowie Verfahren zur Herstellung eines warmumgeformten und pressgehärteten Kraftfahrzeugbauteils
EP2730346B2 (fr) † 2012-11-07 2020-04-29 Benteler Automobiltechnik GmbH Ligne moulée à chaud pour la fabrication de produits de tôle d'acier moulés à chaud et durcis à la presse
US20150053670A1 (en) * 2013-08-20 2015-02-26 Benteler Automobiltechnik Gmbh Temperature-control station with heating by induction

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Publication number Publication date
EP2182082A1 (fr) 2010-05-05
EP2182082B1 (fr) 2013-12-25
EP2182082B2 (fr) 2018-01-24

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