EP3538677B1 - Poste de thermorégulation pour le traitement thermique partiel d'une pièce métallique - Google Patents

Poste de thermorégulation pour le traitement thermique partiel d'une pièce métallique Download PDF

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Publication number
EP3538677B1
EP3538677B1 EP17804826.0A EP17804826A EP3538677B1 EP 3538677 B1 EP3538677 B1 EP 3538677B1 EP 17804826 A EP17804826 A EP 17804826A EP 3538677 B1 EP3538677 B1 EP 3538677B1
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EP
European Patent Office
Prior art keywords
nozzle
control station
component
area
temperature
Prior art date
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Active
Application number
EP17804826.0A
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German (de)
English (en)
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EP3538677A1 (fr
Inventor
Frank WILDEN
Jörg Winkel
Andreas Reinartz
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Schwartz GmbH
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Schwartz GmbH
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Priority to PL17804826T priority Critical patent/PL3538677T3/pl
Publication of EP3538677A1 publication Critical patent/EP3538677A1/fr
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    • 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
    • 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
    • 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
    • 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
    • C21D11/00—Process control or regulation for heat treatments
    • C21D11/005—Process control or regulation for heat treatments for 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
    • 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
    • C21D8/0294—Modifying the physical properties by deformation combined with, or followed by, heat treatment during manufacturing of plates or strips involving a localised treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D15/00—Handling or treating discharged material; Supports or receiving chambers therefor
    • F27D15/02—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
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/01—End parts (e.g. leading, trailing end)
    • 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
    • C21D2221/00—Treating localised areas of an article
    • C21D2221/10—Differential treatment of inner with respect to outer regions, e.g. core and periphery, respectively
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124—Cooling
    • F27B2009/126—Cooling involving the circulation of cooling gases, e.g. air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/12—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity with special arrangements for preheating or cooling the charge
    • F27B2009/124—Cooling
    • F27B2009/126—Cooling involving the circulation of cooling gases, e.g. air
    • F27B2009/128—Cooling involving the circulation of cooling gases, e.g. air the gases being further utilised as oxidants in the burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
    • F27D9/00—Cooling of furnaces or of charges therein
    • F27D2009/007—Cooling of charges therein
    • F27D2009/0089—Quenching

Definitions

  • the invention relates to a temperature control station for the partial heat treatment of a metallic component and to a device for the heat treatment of a metallic component.
  • the invention is used in particular in the partial hardening of possibly precoated components made of a high-strength manganese-boron steel.
  • the upper and / or lower end area of the B-pillar should have a comparatively low strength in order to be able to absorb deformation energy during a side impact and / or, for example, allow softer areas to be easily connected to other body components during assembly of the B-pillar.
  • the hardened component In order to form such a partially hardened body component, it is necessary for the hardened component to have different material structures or strength properties in the partial areas.
  • the steel sheet to be hardened can already be provided with different sheet metal sections connected to one another, or it can be partially cooled differently in the press.
  • a temperature control station and a device for heat treatment of a metallic component are to be specified, which allow a sufficiently reliable thermal delimitation of heat treatment measures partially acting on the component and / or a sufficiently reliable thermal separation of different heat treatment measures partially acting on the component.
  • a temperature control station for the partial heat treatment of a metallic component with a processing level arranged in the temperature control station in which the component can be arranged, at least one nozzle which is oriented towards the processing level and for discharging a fluid flow is provided and set up for cooling at least a first portion of the component and at least one nozzle box, which is located above the Machining plane is arranged, the at least one nozzle box forming at least one nozzle area in which the at least one nozzle can at least partially be arranged and / or which at least partially limits the spread of the fluid flow, the at least one nozzle box being at least partially formed with a ceramic material
  • the metallic component is preferably a metallic blank, a sheet steel or an at least partially preformed semi-finished product.
  • the metallic component is preferably made with or made of a (hardenable) steel, for example a boron (manganese) steel, e.g. B. with the designation 22MnB5 formed.
  • the metallic component is at least for the most part provided with a (metallic) coating or precoated.
  • the metallic coating can be, for example, a (primarily) zinc-containing coating or a (primarily) aluminum and / or silicon-containing coating, in particular a so-called aluminum / silicon (Al / Si) coating.
  • the temperature control station is preferably arranged downstream of a first furnace and / or upstream of a second furnace.
  • a processing plane in which the component can be or is arranged is arranged in the temperature control station.
  • the processing level here refers in particular to the level into which the component can be brought for treatment in the temperature control station and / or in which the component is arranged and / or fixed during the treatment in the temperature control station.
  • the working plane is preferably aligned essentially horizontally.
  • the component can preferably be arranged or arranged in the machining plane and oriented or aligned relative to the nozzle box.
  • the component, when it is arranged in the processing station is preferably oriented relative to the nozzle box.
  • the temperature control station has at least one nozzle.
  • the nozzle is oriented towards the working plane.
  • the nozzle for discharging a fluid flow for cooling at least a first sub-area of the component is provided and set up, in particular so that a temperature difference between the at least one first (more ductile in the finished component) sub-area and at least one second (in the finished treated component) is compared harder) part of the component is adjustable.
  • a plurality of nozzles is preferably provided, the nozzles particularly preferably being arranged in a nozzle field. If a plurality of nozzles is provided, the nozzle box can form a separate nozzle area for each nozzle and / or form a common nozzle area for several or all nozzles from the plurality of nozzles.
  • the (each) nozzle is preferably shaped in the manner of a flat jet nozzle and / or a round nozzle.
  • the temperature control station has at least one nozzle box which is arranged above the processing level.
  • the nozzle box can be designed in the manner of a frame, a box and / or a housing, in which recesses and / or spaces can be provided in which nozzles and / or heat sources can be received.
  • the nozzle box is formed, in particular shaped, in such a way that it can at least partially (thermally) separate, delimit and / or shield at least one nozzle area from the environment and / or from at least one heating area.
  • the nozzle box preferably has a (horizontal) width which is, in particular, at least one and a half times greater than a (vertical) height of the nozzle box.
  • the nozzle box preferably has an (outer) contour, in particular at a lower end or on the underside, which is shaped essentially corresponding to or analogously to an outer contour of a component (to be treated).
  • the at least one nozzle box forms at least one nozzle area.
  • a plurality of nozzle areas can preferably be formed.
  • the at least one nozzle area is preferably formed or shaped by the nozzle box in such a way that it can at least partially accommodate at least one nozzle.
  • the nozzle box can have one or more walls and / or wall sections which at least partially surround the nozzle area and / or delimit or delimit it from the surroundings and / or from at least one heating area.
  • the nozzle box preferably has at least one (inner) wall which completely surrounds a nozzle area when viewed in a cross section aligned parallel to the processing plane.
  • the at least one nozzle can be or is at least partially arranged in the at least one nozzle area.
  • the at least one nozzle protrudes at least partially into the nozzle area or is even arranged completely in the nozzle area.
  • the nozzle area is formed in such a way that the nozzle area at least partially limits the spread of the fluid flow. This advantageously enables a fluid flow discharged to the component by means of the at least one nozzle to be directed to the at least one first partial area of the component, in particular also when the nozzle does not protrude into the nozzle area or is arranged in it.
  • the nozzle area or an (inner) wall of the nozzle box which forms the nozzle area preferably limits the spread of the fluid flow in a lateral and / or horizontal direction.
  • the at least one nozzle box is at least partially formed with or from a ceramic material.
  • At least one wall and / or at least one wall section of the nozzle box is preferably formed with or from the ceramic material, the particularly preferably at least one nozzle area of at least one heating area (thermally and / or spatially) separates.
  • the ceramic material is preferably sintered.
  • a temperature control station for the partial heat treatment of a metallic component with a processing level arranged in the temperature control station in which the component can be arranged, at least one nozzle which is oriented towards the processing level and for discharging a fluid flow for cooling at least a first Sub-area of the component is provided and set up, at least one heat source which is provided and set up to introduce thermal energy into at least a second sub-area of the component and at least one nozzle box that is arranged above the processing plane, the at least one nozzle box forming at least one nozzle area, in which the at least one nozzle can at least partially be arranged and / or which at least partially limits a spread of the fluid flow, the at least one nozzle box having at least one heating area separate from the at least one nozzle area I forms in which the heat source can at least partially be arranged and / or which at least partially limits the spread of thermal energy.
  • the at least one heat source is at least one radiant heat source.
  • the heat source is preferably an actively operable, in particular electrically operable or energizable heat source.
  • the heat source is particularly preferably formed with an electrically operated heating element (which does not physically or electrically contact the component).
  • the heating element can be a heating loop and / or a heating wire.
  • the heat source can be formed with a (gas-heated) radiant tube.
  • the at least one heating area is formed by the nozzle box.
  • the at least one heating area is preferably in this way from the nozzle box formed or shaped so that it can at least partially absorb at least one heat source.
  • the nozzle box can have one or more walls and / or wall sections which at least partially surround the heating area and / or delimit or delimit it from the surroundings and / or from at least one nozzle area.
  • the nozzle box preferably has at least one (inner) wall which completely surrounds a heating area when viewed in a cross section aligned parallel to the processing plane.
  • the at least one heat source can be or is at least partially arranged in the at least one heating area.
  • the at least one heat source preferably protrudes at least partially into the heating area or is even arranged completely in the heating area.
  • the heating area is formed in such a way that the heating area at least partially limits the spread of thermal energy. This advantageously enables thermal energy discharged or radiated to the component to be directed to the at least one second sub-area of the component by means of the at least one heat source, in particular even when the heat source does not protrude into the heating area or is located in it .
  • the heating area or an (inner) wall of the nozzle box forming the heating area limits a spread of the thermal energy in a lateral and / or horizontal direction. If the heat source is formed with a radiant heat source that can in particular be operated electrically or gas-heated, laterally radiating heat radiation can be deflected or reflected, for example, from an inner wall of the heating area to the second sub-area of the component.
  • the at least one nozzle box is formed at least partially with or from a fiber-reinforced ceramic material.
  • Aluminum oxide fibers for example, can be used here as fibers.
  • the at least one nozzle box or at least one wall and / or at least one wall section of the nozzle box is preferably formed at least partially with or from an aluminum oxide ceramic reinforced with (fine) fibers of aluminum oxide.
  • the at least one nozzle box is formed at least partially with or from an aluminum oxide ceramic.
  • At least one wall and / or at least one wall section of the nozzle box is preferably formed at least partially with or from an aluminum oxide ceramic. (Almost) all walls and / or wall sections of the nozzle box are particularly preferably formed with or from an aluminum oxide ceramic reinforced in particular with (fine) fibers made of aluminum oxide.
  • a nozzle field with a plurality of nozzles is arranged at least partially in at least one nozzle area.
  • the shape of the nozzle field and / or the arrangement of the plurality of nozzles is preferably adapted to the (to be achieved) geometry of the at least one first partial area of the component.
  • the at least one nozzle area is shaped in such a way that it spans an area of the working plane in which the at least one first partial area of the component can be arranged.
  • a cross section of the nozzle area aligned parallel to the processing plane preferably has a shape or geometry which corresponds to the (to be achieved) shape or geometry of the first partial area of the component.
  • the at least one heating area is preferably shaped in such a way that it spans an area of the processing plane in which the at least one second partial area of the component can be arranged.
  • a cross-section of the heating area aligned parallel to the processing plane has a shape or geometry that corresponds to the (to be achieved) shape or geometry of the second partial area of the component.
  • the at least one nozzle area can be arranged at a specific (lateral and / or horizontal) position in or on the nozzle box, which corresponds to, in particular overlaps, a (lateral and / or horizontal) position of the at least one first partial area in the component. as soon as the component is arranged in the processing plane and / or aligned with respect to the nozzle box.
  • the at least one heating area can be arranged at a specific (lateral and / or horizontal) position in or on the nozzle box, which corresponds to a (lateral and / or horizontal) position of the at least one second partial area in the component, in particular overlaps as soon as the component is arranged in the processing plane and / or aligned with respect to the nozzle box.
  • the at least one nozzle box is at least partially double-walled and / or at least partially has an insulating material.
  • the nozzle box is preferably in the area of the at least one heating area or at least partially formed double-walled around the at least one heating area and / or (thermally) insulated.
  • the insulating material is in particular formed with or from a microporous insulating material.
  • the insulating material is preferably arranged between walls and / or wall sections of the nozzle box, which form a double-walled section of the nozzle box.
  • the insulating material is preferably temperature-resistant for temperatures above 1073.15 K.
  • the first furnace or the second furnace is a continuous furnace or a chamber furnace.
  • the first furnace is preferably a continuous furnace, in particular a roller hearth furnace.
  • the second furnace is particularly preferably a continuous furnace, in particular a roller hearth furnace, or a chamber furnace, in particular a multi-layer chamber furnace with at least two chambers arranged one above the other.
  • the second furnace preferably has a furnace interior which can in particular (exclusively) be heated by means of radiant heat, in which an almost uniform internal temperature can preferably be set.
  • the second furnace is designed as a multi-layer chamber furnace, several such furnace interiors can be present, depending on the number of chambers.
  • Radiant heat sources are preferably arranged in the first oven and / or in the second oven.
  • at least one electrically operated heating element (which does not contact the component), such as at least one electrically operated heating loop and / or at least one electrically operated heating wire, is arranged in an oven interior of the first oven and / or in an oven interior of the second oven.
  • at least one, in particular gas-heated, radiant tube can be arranged in the oven interior of the first oven and / or the oven interior of the second oven.
  • a plurality of radiant tube gas burners or radiant tubes, into each of which at least one gas burner burns, are arranged in the furnace interior of the first furnace and / or the furnace interior of the second furnace.
  • a use of a nozzle box formed at least partially with a ceramic material is proposed in a temperature control station, the nozzle box being used for the partial heat treatment of a metallic component.
  • Fig. 1 shows a schematic representation of a temperature control station 1 for the partial heat treatment of a metallic component 2.
  • a machining plane 3 is arranged in which the component 2 lies.
  • the temperature control station 1 has, for example, a nozzle 4 which is oriented towards the processing plane 3 and is provided and set up for discharging a fluid stream 5 for cooling at least a first partial area 6 of the component 2.
  • the temperature control station 1 has, for example, a heat source 9 which is provided and set up to introduce thermal energy into at least one second partial area 10 of the component 2.
  • the heat source 9 is formed here, for example, in the form of a heating wire that can be energized.
  • the temperature control station 1 has a nozzle box 7 which is arranged above the processing level 3.
  • the nozzle box 7 here forms a nozzle area 8 in which the nozzle 4 is at least partially arranged.
  • the nozzle box 7 simulates as shown Fig. 1 a heating area 11 which is separate from the nozzle area 8 and in which the heat source 9 is at least partially arranged.
  • Fig. 1 is the nozzle box 7 with or the walls 18 of the nozzle box 7 are formed from a ceramic material.
  • a fiber-reinforced aluminum oxide ceramic is used here as an example of the ceramic material.
  • the nozzle box 7 is double-walled around the heating area 11 and has an insulating material 13 between the walls 18, which form the double-walled section of the nozzle box 7.
  • the nozzle area 8 is shaped in such a way that it spans an area of the processing plane 3 in which the first partial area 6 of the component 2 is arranged as soon as the component 2 is arranged in the processing plane 3 and aligned with the nozzle box 7.
  • the heating area 11 is shaped such that it spans an area of the processing plane 3 in which the second partial area 10 of the component 2 is arranged.
  • a cross section of the nozzle region 8 that is perpendicular to the plane of the drawing and parallel to the processing plane 3 has a shape that corresponds to the shape (to be achieved) or the geometry of the first partial area 6 corresponds.
  • a cross-section of the heating region 11 that is oriented perpendicular to the plane of the drawing and parallel to the processing plane 3 has a shape which corresponds to the shape or geometry (to be achieved) of the second partial region 10.
  • the nozzle area 8 and the heating area 11 are (thermally) separated from one another by means of the nozzle box, so that the component 2 can be impressed with a temperature profile with differently tempered partial areas that are as precisely as possible delimited from one another. Because a significant temperature difference is set between the first sub-area 6 and the second sub-area 10 in the first sub-area 6 as a result of the cooling by means of the nozzle 4, after hardening in a press hardening tool (not shown here) downstream of the temperature control station 1, the Subareas 6, 10 set different material structures and / or strength properties, it being possible for a more ductile structure and / or a lower hardness to set in the cooled first subarea 6 than in the second subarea 10.
  • Fig. 2 shows a schematic representation of a further temperature control station 1 for the partial heat treatment of a metallic component 2. Since the reference symbols are used uniformly, only the differences from that in FIG Fig. 1 discussed temperature control station. In addition, on the explanations too Fig. 1 which are fully incorporated herein by reference. A first difference is that here two nozzles 4 are shown, which are arranged to form a nozzle field 12.
  • Fig. 2 exemplarily illustrates that the nozzle area 8 can also be formed in such a way that it at least partially limits the spread of the fluid flow 5, here for example laterally, without the nozzle (s) themselves having to be arranged in the nozzle area 8.
  • the heating range is analogous 11 is formed here by the nozzle box 7 by way of example in such a way that it at least partially limits the spread of thermal energy, here by way of example laterally.
  • thermal radiation which in Fig. 2 is indicated by dotted lines, are reflected on the inner walls 18 of the heating area 11.
  • Fig. 3 shows a perspective view of a nozzle box 7 shown in section, which can be used in a temperature control station according to the invention (not shown here).
  • the nozzle box 7 here forms, for example, a plurality of nozzle regions 8 in which nozzles (not shown here) can be arranged and / or can blow into the nozzles.
  • the nozzle box 7 forms several heating areas 11 in which one or more heat sources (not shown here) can be arranged.
  • the nozzle areas 8 are separated from the heating areas 11 by means of the walls 18 of the nozzle box 7 and by means of insulating material 13.
  • Fig. 4 shows a schematic representation of a device 14 according to the invention for heat treatment of a metallic component 2.
  • the device 14 has a heatable first furnace 15, a temperature control station 1 (directly) downstream of the first furnace 15, and a heatable second furnace 16 (directly) downstream of the temperature control station 1 and a press hardening tool 17 arranged (directly) downstream of the second furnace 16.
  • the device 14 here represents a hot forming line for (partial) press hardening.
  • a temperature control station and a device for heat treatment of a metallic component are specified here, which at least partially solve the problems described with reference to the prior art.
  • the temperature control station and the device allow a sufficiently reliable thermal delimitation of heat treatment measures partially acting on the component and / or a sufficiently reliable thermal separation of different heat treatment measures partially affecting the component.

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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)
  • General Engineering & Computer Science (AREA)
  • Heat Treatment Of Articles (AREA)
  • Furnace Details (AREA)

Claims (8)

  1. Poste de thermorégulation (1) destiné au traitement thermique partiel d'une pièce métallique (2), comportant un plan de traitement (3) qui est disposé dans le poste de thermorégulation (1) et dans lequel la pièce (2) peut être disposée, au moins une buse (4) orientée vers le plan de traitement (3) et prévue et configurée pour décharger un écoulement de fluide (5) pour refroidir au moins une première sous-zone (6) de la pièce (2), au moins une source de chaleur (9) prévue et configurée pour transférer l'énergie thermique dans au moins une seconde sous-zone (10) de la pièce (2) et au moins une caisse à buses (7) qui est disposée au-dessus du plan de traitement (3), l'au moins une caisse à buses (7) formant au moins une zone à buses (8), l'au moins une buse (4) faisant saillie au moins partiellement dans la zone à buses (8) ou étant même entièrement disposée dans la zone à buses (8), l'au moins une caisse à buses (7) formant au moins une zone de chauffage (11) qui est séparée de l'au moins une zone à buses (8) et dans laquelle la source de chaleur (9) peut être au moins partiellement disposée et/ou qui limite au moins partiellement une diffusion d'énergie thermique, et l'au moins une source de chaleur étant au moins une source de chaleur rayonnante.
  2. Poste de thermorégulation selon la revendication 1, dans lequel l'au moins une caisse à buses (7) est au moins partiellement constituée d'un matériau céramique renforcé par des fibres.
  3. Poste de thermorégulation selon l'une des revendications précédentes, dans lequel l'au moins une caisse à buses (7) est au moins partiellement constituée d'une céramique d'oxyde d'aluminium.
  4. Poste de thermorégulation selon l'une des revendications précédentes, dans lequel un champ de buses (12) comportant une pluralité de buses (4) est au moins partiellement disposé dans au moins une zone à buses (8).
  5. Poste de thermorégulation selon l'une des revendications précédentes, dans lequel l'au moins une zone à buses (8) est formée de telle sorte qu'elle couvre une zone du plan de traitement (3) dans laquelle l'au moins une première sous-zone (6) de la pièce (2) peut être disposée.
  6. Poste de thermorégulation selon l'une des revendications précédentes, dans lequel l'au moins une caisse à buses (7) est au moins partiellement à double paroi et/ou présente au moins partiellement un matériau isolant (13).
  7. Dispositif (14) destiné au traitement thermique d'une pièce métallique (2), comprenant au moins :
    - un premier four (15) chauffable,
    - une poste de thermorégulation (1) disposé en aval du premier four (15) et conçu selon l'une des revendications précédentes.
  8. Dispositif selon la revendication 7, comprenant en outre au moins :
    - un second four (16) chauffable, disposé en aval du poste de thermorégulation (1), et/ou
    - un outil de durcissement par trempe (17) disposé en aval du poste de thermorégulation (1) et/ou du second four (16).
EP17804826.0A 2016-11-11 2017-11-08 Poste de thermorégulation pour le traitement thermique partiel d'une pièce métallique Active EP3538677B1 (fr)

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PL17804826T PL3538677T3 (pl) 2016-11-11 2017-11-08 Stacja regulacji temperatury do częściowej obróbki cieplnej metalowej części składowej

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DE102016121699.2A DE102016121699A1 (de) 2016-11-11 2016-11-11 Temperierstation zur partiellen Wärmebehandlung eines metallischen Bauteils
PCT/EP2017/078675 WO2018087191A1 (fr) 2016-11-11 2017-11-08 Poste de thermorégulation pour le traitement thermique partiel d'une pièce métallique

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JP (1) JP7211942B2 (fr)
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DE (1) DE102016121699A1 (fr)
ES (1) ES2863679T3 (fr)
HU (1) HUE053656T2 (fr)
PL (1) PL3538677T3 (fr)
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DE102017107549A1 (de) * 2017-04-07 2018-10-11 Schwartz Gmbh Temperierstation zur partiellen Wärmebehandlung eines metallischen Bauteils
DE102018112934A1 (de) * 2018-05-30 2019-12-05 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines Kraftfahrzeugbauteils aus einer höchstfesten Stahllegierung mit duktilen Eigenschaften sowie Kraftfahrzeugbauteil
DE102020111615A1 (de) 2020-04-29 2021-11-04 Schwartz Gmbh Verfahren zum Nachrüsten einer Wärmebehandlungsanlage

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Publication number Publication date
CN109963951B (zh) 2022-01-28
US11142807B2 (en) 2021-10-12
PL3538677T3 (pl) 2021-07-12
PT3538677T (pt) 2021-03-23
JP7211942B2 (ja) 2023-01-24
US20200232053A1 (en) 2020-07-23
WO2018087191A1 (fr) 2018-05-17
DE102016121699A1 (de) 2018-05-17
ES2863679T3 (es) 2021-10-11
EP3538677A1 (fr) 2019-09-18
HUE053656T2 (hu) 2021-07-28
JP2020501010A (ja) 2020-01-16
CN109963951A (zh) 2019-07-02

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