WO2017129602A1 - Procédé de traitement thermique et dispositif de traitement thermique - Google Patents

Procédé de traitement thermique et dispositif de traitement thermique Download PDF

Info

Publication number
WO2017129602A1
WO2017129602A1 PCT/EP2017/051510 EP2017051510W WO2017129602A1 WO 2017129602 A1 WO2017129602 A1 WO 2017129602A1 EP 2017051510 W EP2017051510 W EP 2017051510W WO 2017129602 A1 WO2017129602 A1 WO 2017129602A1
Authority
WO
WIPO (PCT)
Prior art keywords
temperature
steel component
regions
furnace
heat treatment
Prior art date
Application number
PCT/EP2017/051510
Other languages
German (de)
English (en)
Inventor
Andreas Reinartz
Original Assignee
Schwartz 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
Application filed by Schwartz Gmbh filed Critical Schwartz Gmbh
Priority to JP2018538676A priority Critical patent/JP7168450B2/ja
Priority to PL17703345T priority patent/PL3408416T3/pl
Priority to EP17703345.3A priority patent/EP3408416B1/fr
Priority to KR1020187024554A priority patent/KR20180119580A/ko
Priority to MX2018008998A priority patent/MX2018008998A/es
Priority to CN201780007568.8A priority patent/CN108884508B/zh
Priority to US16/072,677 priority patent/US20190032164A1/en
Priority to ES17703345T priority patent/ES2904571T3/es
Priority to BR112018014947-0A priority patent/BR112018014947B1/pt
Publication of WO2017129602A1 publication Critical patent/WO2017129602A1/fr

Links

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
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C21D1/22—Martempering
    • 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
    • C21D9/0068—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for particular articles not mentioned below
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/18—Hardening; Quenching with or without subsequent tempering
    • C21D1/19—Hardening; Quenching with or without subsequent tempering by interrupted quenching
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/26—Methods of annealing
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D1/00—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering
    • C21D1/62—Quenching devices
    • 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
    • C21D1/667—Quenching devices for spray 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
    • C21D1/62—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
    • C21D1/78—Combined heat-treatments not provided for above
    • 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
    • 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
    • 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
    • F27B9/02—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity of multiple-track type; of multiple-chamber type; Combinations of furnaces
    • F27B9/028—Multi-chamber type furnaces
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/60—Aqueous agents
    • 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
    • C21D1/56—General methods or devices for heat treatment, e.g. annealing, hardening, quenching or tempering characterised by the quenching agents
    • C21D1/613—Gases; Liquefied or solidified normally gaseous material
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/001—Austenite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2211/00—Microstructure comprising significant phases
    • C21D2211/008—Martensite
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D2221/00—Treating localised areas of an article
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D8/00—Modifying the physical properties by deformation combined with, or followed by, heat treatment
    • C21D8/005—Modifying the physical properties by deformation combined with, or followed by, heat treatment of ferrous alloys

Definitions

  • the invention relates to a method and a device for targeted
  • Ratio of strength to weight include in particular A and B pillars, side impact protection in doors, sills, frame parts,
  • Bumper cross member for floor and roof, front and rear
  • the raw ka rosse with a safety cage usually consists of a hardened steel sheet with about 1, 500 MPa strength. In many cases Al-Si-coated steel sheets are used. For the production of a component from hardened steel sheet the process of the so-called press hardening was developed. This steel sheets are first on
  • Warmed austenitemperatur then placed in a press tool, quickly formed and rapidly through the water-cooled tool to less than
  • the object of the invention is therefore to provide a method and a device for targeted component zone-specific heat treatment of a steel component, wherein regions of different hardness and ductility can be achieved, in which the influence on the cycle time of the entire heat treatment apparatus is minimized.
  • this object is achieved by a method having the features of independent claim 1.
  • Advantageous developments of the method will become apparent from the dependent claims 2 to 5.
  • the object is further by a Device according to claim 8 solved.
  • Advantageous embodiments of the device will become apparent from the dependent claims 6 to 15.
  • a steel component is first heated to below the austenitizing temperature AC3.
  • the steel component is transferred to a treatment station.
  • the second or the second areas as soon as possible within a
  • Treatment time t B cooled.
  • Heat treatment device the treatment station a
  • the treatment station has a device for blowing on the second region (s).
  • This device may, for example, have one or more nozzles.
  • the blowing of the second or the second regions is carried out by blowing with a gaseous fluid, wherein the gaseous fluid water, for example in nebulized form, is attached.
  • the device has one or more nebulizing nozzles.
  • Treatment time t B usually moves in the range of a few seconds.
  • the second or the second regions can also be cooled to well below the martensite start temperature M s .
  • the martensite start temperature M s is, for example, for the frequently used
  • Bodybuilder 22MnB5 at about 410 ° C.
  • the first area or areas are not subjected to any special treatment in the treatment station, ie they are not blown on or on any other special Measures heated or cooled.
  • the first or the first areas cool slowly in the treatment station, for example, via natural convection. It has proven to be advantageous if in the treatment station measures for reducing the temperature losses of the first or the first
  • Such measures can be, for example, the attachment of a heat radiation reflector and / or the isolation of surfaces of the treatment station in the region of the first or the first regions.
  • the steel component is transferred to a second furnace. In this second furnace, the entire steel component is heated. The heating can be done for example by thermal radiation. In this case, the steel component remains during a residence time t 130 in the second furnace, which is dimensioned such that the temperature of the first or the first regions above the AC3 temperature increases. Because the second or the second
  • Press hardening tool are transferred, wherein the first and the first areas are completely austenitized, while the second and the second areas are not austenitized, so that form by quenching in a subsequent press hardening of the first and the first areas martensitic structure with high strength values. Because the second
  • Treatment station which may also have a positioning device to ensure the exact positioning of the different areas, transported in a second oven, which preferably no special devices for owns different treatment of different areas.
  • Embodiment only a furnace temperature 0 4 , ie a substantially homogeneous temperature in the entire furnace chamber, set above the
  • Austenitizing temperature AC3 is. Clearly contoured boundaries of the individual areas can be realized, and the low temperature difference between the two areas minimizes distortion of the components. Small spreads in the temperature level of the component have an advantageous effect on the other
  • a continuous furnace is provided as the first furnace.
  • Continuous furnaces usually have a large capacity and are particularly well suited for mass production, since they can be fed and operated without much effort. But even a batch oven, such as a chamber oven, can be used as the first oven.
  • the second furnace is a continuous furnace.
  • both first and second furnaces are designed as continuous furnaces, the necessary residence times for the first or second regions can be realized as a function of the length of the component via the adjustment of the conveying speed and the design of the respective furnace length. An influencing of the cycle time of the entire production line with heat treatment device and press for a subsequent press hardening is thus avoidable.
  • the second oven is a batch oven
  • the treatment station has a
  • the device for rapid cooling of one or more second regions of the steel component.
  • the device has a nozzle for blowing the second part or regions of the steel component with a gaseous fluid, for example air or an inert gas such as, for example Nitrogen, up.
  • a gaseous fluid for example air or an inert gas such as, for example Nitrogen
  • the device has one or more nebulizing nozzles. By blowing with the gaseous fluid mixed with water, the heat removal from or from the second regions is increased.
  • the second or the second regions are cooled via heat conduction, for example by contacting them with one or more punches, which has or have a significantly lower temperature than the steel component.
  • the stamp can be made of a good heat-conducting material and / or be cooled directly or indirectly. A combination of the types of cooling is conceivable.
  • Heat treatment device can be stamped steel components with one or more first and / or second areas, which may also be complex shaped, economically a corresponding temperature profile, as the different areas contour sharp very quickly to the necessary
  • Heat treatment apparatus possible to set almost any number of second areas.
  • the second or the second areas were never austenitized during the course of the process and, even after being pressed off, have low strength values similar to the original strengths of the untreated steel component.
  • the selected geometry of the sections is freely selectable. Point or line-shaped areas as well as eg large area areas can be displayed. The location of the areas is irrelevant. The second regions may be completely enclosed by first regions or located at the edge of the steel component. Even a full-surface treatment is conceivable.
  • a particular orientation of the steel component to the passage direction is for the purpose of the method according to the invention for specific component zone-specific Heat treatment of a steel component is not required.
  • a limitation of the number of simultaneously treated steel components is at most by the
  • Heat treatment device given.
  • the application of the method to already preformed steel components is also possible. Due to the three-dimensionally shaped surfaces of already preformed steel components, only a higher constructive effort for the representation of the mating surfaces results.
  • Heat treatment systems can be adapted to the method according to the invention.
  • a conventional heat treatment device with only one oven behind this only the treatment station and the second oven must be installed.
  • Fig. 1 is a typical temperature curve in the heat treatment of a steel component having a first and a second region
  • Fig. 2 shows a thermal heat treatment apparatus according to the invention in a plan view as a schematic drawing
  • Fig. 3 shows a further inventive thermal heat treatment apparatus in a plan view as a schematic drawing 4 shows a further inventive thermal heat treatment device in a plan view as a schematic drawing
  • Fig. 5 shows another thermal treatment device according to the invention in a plan view as a schematic drawing
  • FIG. 6 shows a further inventive thermal heat treatment device in a plan view as a schematic drawing.
  • 7 shows a further inventive thermal heat treatment device in a plan view as a schematic drawing
  • FIG. 1 is a typical temperature curve in the heat treatment of a steel component 200 having a first region 210 and a second region 220 according to the inventive method.
  • the steel component 200 is heated in the first furnace 1 10 according to the schematically drawn temperature run ⁇ 2 ⁇ , ⁇ ⁇ during the residence time t 1 10 in the first furnace to a temperature below the AC3 temperature.
  • the steel component 200 is transferred to the treatment station 150 with a transfer time t 12 o.
  • the steel component loses heat.
  • a second region 220 of the steel member 200 is rapidly cooled, wherein the second area 220 loses its heat according to the drawn curve £ 220.150.
  • the blowing ends after the treatment time t B has elapsed, which is only a few seconds depending on the thickness of the steel component 200 and the size of the second region 220.
  • the treatment time t B is equal to the residence time t 150 in the treatment station 150.
  • the second area 220 has now reached the cooling stop temperature ds.
  • the temperature of the first region 210 in the treatment station 150 has also fallen according to the temperature curve $ 210,150 plotted, wherein the first region 210 is not located in the region of the cooling device.
  • Treatment time t B the steel member 200 is transferred during the transfer time t 12 i in the second furnace 130, wherein it continues to lose heat.
  • the second oven 130 changes the temperature of the first portion 210 of the steel member 200 according to the schematically drawn temperature profile ⁇ 2 ⁇ , ⁇ 3 ⁇ during the residence time t 130 , ie the temperature of the first portion 210 of the steel member 200 is heated to a temperature above the AC3 temperature. Also the
  • Temperature of the second region 220 of the steel component 200 increases according to the plotted temperature profile $ 220.130 during the residence time t 130 , without reaching the AC3 temperature.
  • the second furnace 130 has no special devices for different treatment of the different areas 210, 220. Only one furnace temperature ⁇ 4 , ie a substantially homogeneous temperature ⁇ 4 in the entire interior of the second furnace 130, is set which is above the austenitizing temperature AC3 lies. Since the second or the second regions have a significantly lower temperature than the first region (s) at the beginning of the residence time t 130 in the second furnace 130 and both regions are heated equally in the second furnace 130, they also have a different temperature at the end of the residence time ti 30 on.
  • the residence time t 130 of the steel component 200 in the second furnace 130 is so dimensioned that the first region or the first regions at the end of the residence time t 130 have a temperature above the AC3 temperature, while the second
  • Press hardening tool 160 which is installed in a press, not shown, to be transferred.
  • the steel component 200 loses heat again so that the temperature of the first region (s) may also fall below the AC 3 temperature. This or these spaces but substantially completely austenitized, when they leave the second furnace 130 so that they t by a deterrent for a residence time in 160
  • Press hardening train 160 undergoes a transformation into hard martensitic structure.
  • Clearly contoured delimitations of the individual regions 210, 220 can be realized between the two regions 210, 220 and can be realized by the small ones
  • the necessary residence time t 130 of the steel component 200 in the second furnace 130 can be realized depending on the length of the steel component 200 via the adjustment of the conveying speed and the design of the length of the second furnace 130.
  • FIG. 2 shows a heat treatment device 100 according to the invention in a 90 ° arrangement.
  • the heat treatment device 100 has a loading station 101, via which steel components are fed to the first furnace 110. Furthermore, the heat treatment device 100, the treatment station 150 and in
  • Main flow direction D behind arranged the second furnace 130 is a removal station 131, which is equipped with a positioning device (not shown).
  • Main flow direction now bends substantially 90 ° to a
  • Press hardening tool 160 in a press (not shown), in which the steel component 200 is press-hardened.
  • a container 161 is arranged, can be spent in the rejects.
  • the first furnace 110 and the second furnace 120 are at this
  • FIG. 3 shows a heat treatment apparatus 100 according to the invention in a straight arrangement.
  • the heat treatment device 100 has a loading station 101, via which steel components are fed to the first furnace 110. Furthermore, the heat treatment device 100, the treatment station 150 and in
  • a removal station 131 Next in the main flow direction D arranged behind it is a removal station 131, which is equipped with a positioning device (not shown).
  • a press hardening tool 160 in a press (not shown) in which the steel member 200 is press-hardened.
  • a container 161 is arranged, can be spent in the rejects.
  • the first furnace 110 and the second furnace 120 are also preferably designed as continuous furnaces, for example roller hearth furnaces, in this arrangement.
  • Fig. 4 shows a further variant of an inventive
  • the heat treatment device 100 again has a loading station 101, via which steel components are fed to the first furnace 110.
  • the first furnace 1 10 is again preferably designed as a continuous furnace in this embodiment.
  • the heat treatment apparatus 100 has the treatment station 150, which in this embodiment is combined with a removal station 131.
  • Removal device 131 may for example have a gripping device (not shown). The removal station 131 removes, for example by means of the gripping device, the steel components 200 from the first furnace 1 10. Die
  • Heat treatment with the cooling of the second and the second regions 220 is performed and the steel components or the
  • Steel components 200 are inserted into a second furnace 130 arranged essentially at 90 ° to the axis of the first furnace 110.
  • This second furnace 130 is preferably provided in this embodiment as a chamber furnace, for example with a plurality of chambers.
  • the steel components 200 are removed from the second furnace 130 via the removal station 131 and inserted into an opposed press-hardening tool 160 installed in a press (not shown).
  • the removal station 131 may have a positioning device (not shown).
  • a container 161 is arranged behind the removal station 131, can be spent in the rejects.
  • Main flow direction D describes in this embodiment, a deflection of substantially 90 °. In this embodiment, no second
  • Embodiment also take place between removal station 131 and second furnace 130 so that it does not require a stationary treatment station 150.
  • a cooling device for example a blowing nozzle
  • the removal device 131 ensures the transfer of the steel component 200 from the first furnace 110 into the second furnace 130 and into the press-hardening tool 160 or into the container 161.
  • FIG. 6 shows a heat treatment device according to FIG. 6:
  • the second furnace 130 is offset in a second plane above the first furnace 110.
  • the cooling of the second regions 220 of the steel component 200 can also take place between the removal station 131 and the second furnace 130, so that no stationary treatment station 150 is required.
  • FIG. 7 shows a final embodiment of the invention
  • Heat treatment device shown schematically. Compared to the embodiment shown in FIG. 6, the positions of the press-hardening tool 160 and the container 161 are reversed.
  • the embodiments shown here are only examples of the present invention

Abstract

La présente invention concerne un procédé et un dispositif de traitement thermique ciblé et individuel par zones d'élément. Selon ce procédé, une structure prioritairement austénitique peut être réglée dans une ou plusieurs premières zones de l'élément en acier, à partir de cette structure, une structure majoritairement martensitique peut être obtenue par trempe, et une structure majoritairement ferritique-perlitique se trouve dans une ou plusieurs deuxièmes zones de l'élément en acier ; l'élément en acier est tout d'abord chauffé dans un premier four à une température inférieure à la température AC3 puis l'élément en acier étant transféré à une station de traitement tout en pouvant être refroidi en cours de transfert et, dans la station de traitement, la ou les deuxièmes zones de l'élément en acier peuvent être refroidies pendant un temps de séjour t150 à une température d'arrêt de refroidissement ϑS ; l'élément en acier est ensuite transféré dans un deuxième four dont la chaleur est cédée à l'élément en acier, la température de la ou des deuxièmes zones remontant à une température en-deçà de la température AC3 pendant le temps de séjour t130, tandis que l'au moins une première zone est chauffée, sa température étant portée pendant le même temps de séjour t130 à une température supérieure à la température AC3.
PCT/EP2017/051510 2016-01-25 2017-01-25 Procédé de traitement thermique et dispositif de traitement thermique WO2017129602A1 (fr)

Priority Applications (9)

Application Number Priority Date Filing Date Title
JP2018538676A JP7168450B2 (ja) 2016-01-25 2017-01-25 熱処理方法及び熱処理装置
PL17703345T PL3408416T3 (pl) 2016-01-25 2017-01-25 Sposób obróbki cieplnej i urządzenie do obróbki cieplnej
EP17703345.3A EP3408416B1 (fr) 2016-01-25 2017-01-25 Procédé de traitement thermique et dispositif de traitement thermique
KR1020187024554A KR20180119580A (ko) 2016-01-25 2017-01-25 열처리 방법 및 열처리 장치
MX2018008998A MX2018008998A (es) 2016-01-25 2017-01-25 Procedimiento de tratamiento termico y dispositivo de tratamiento termico.
CN201780007568.8A CN108884508B (zh) 2016-01-25 2017-01-25 热处理方法和热处理装置
US16/072,677 US20190032164A1 (en) 2016-01-25 2017-01-25 Heat treatment method and heat treatment device
ES17703345T ES2904571T3 (es) 2016-01-25 2017-01-25 Procedimiento de tratamiento térmico y dispositivo de tratamiento térmico
BR112018014947-0A BR112018014947B1 (pt) 2016-01-25 2017-01-25 Processo de tratamento térmico e dispositivo de tratamento térmico

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102016201025.5A DE102016201025A1 (de) 2016-01-25 2016-01-25 Wärmebehandlungsverfahren und Wärmebehandlungsvorrichtung
DE102016201025.5 2016-01-25

Publications (1)

Publication Number Publication Date
WO2017129602A1 true WO2017129602A1 (fr) 2017-08-03

Family

ID=57965906

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2017/051510 WO2017129602A1 (fr) 2016-01-25 2017-01-25 Procédé de traitement thermique et dispositif de traitement thermique

Country Status (14)

Country Link
US (1) US20190032164A1 (fr)
EP (1) EP3408416B1 (fr)
JP (2) JP7168450B2 (fr)
KR (1) KR20180119580A (fr)
CN (2) CN206204351U (fr)
AT (1) AT15624U1 (fr)
BR (1) BR112018014947B1 (fr)
DE (2) DE102016201025A1 (fr)
ES (1) ES2904571T3 (fr)
HU (1) HUE057631T2 (fr)
MX (1) MX2018008998A (fr)
PL (1) PL3408416T3 (fr)
PT (1) PT3408416T (fr)
WO (1) WO2017129602A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017115755A1 (de) * 2017-07-13 2019-01-17 Schwartz Gmbh Verfahren und Vorrichtung zur Wärmebehandlung eines metallischen Bauteils
CN117483561A (zh) * 2018-08-08 2024-02-02 宝山钢铁股份有限公司 带铝硅合金镀层的热冲压部件的制造方法及热冲压部件
EP4305368A1 (fr) * 2021-04-16 2024-01-17 Aerospace Transmission Technologies GmbH Procédé de traitement thermique de pièces métalliques
EP4174190A1 (fr) * 2021-10-26 2023-05-03 Benteler Automobiltechnik GmbH Procédé de fabrication d'un composant moulé de véhicule automobile

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010004081B3 (de) * 2010-01-06 2011-03-24 Benteler Automobiltechnik Gmbh Verfahren zum Warmformen und Härten einer Platine
DE102010049205A1 (de) * 2010-10-13 2012-04-19 Elisabeth Braun Warmumformlinie und Verfahren zum Warmumformen von blechförmigem Material
KR20140081619A (ko) * 2012-12-21 2014-07-01 주식회사 포스코 이종 강도 영역을 갖는 열간 성형품의 제조방법
DE102014201259A1 (de) * 2014-01-23 2015-07-23 Schwartz Gmbh Wärmebehandlungsvorrichtung
US20150299817A1 (en) * 2012-03-13 2015-10-22 Asteer Co., Ltd. Method for strengthening steel plate member

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6174389B1 (en) * 1999-08-17 2001-01-16 Caterpillar Inc. Fixture and method for selectively quenching a predetermined area of a workpiece
JP2002097519A (ja) * 2000-09-19 2002-04-02 Aisin Seiki Co Ltd 鋼板強化方法、及び強化鋼板
DE10208216C1 (de) * 2002-02-26 2003-03-27 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines metallischen Bauteils
MX2007002009A (es) * 2004-08-18 2007-04-23 Bishop Innovation Ltd Metodo para fabricar un componente de acero forjado endurecido.
DE102008030279A1 (de) * 2008-06-30 2010-01-07 Benteler Automobiltechnik Gmbh Partielles Warmformen und Härten mittels Infrarotlampenerwärmung
DE102009015013B4 (de) * 2009-03-26 2011-05-12 Voestalpine Automotive Gmbh Verfahren zum Herstellen partiell gehärteter Stahlbauteile
JP4795486B2 (ja) * 2009-06-22 2011-10-19 新日本製鐵株式会社 鋼板の熱間プレス成形方法、鋼板の熱間プレス成形装置、及び鋼成形部材
DE102010010156A1 (de) * 2010-03-04 2011-09-08 Kirchhoff Automotive Deutschland Gmbh Verfahren zur Herstellung eines Formteiles mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität
PT2497840T (pt) * 2011-03-10 2017-08-08 Schwartz Gmbh Sistema de forno para o aquecimento parcial de peças de chapa metálica
EP2548975A1 (fr) * 2011-07-20 2013-01-23 LOI Thermprocess GmbH Procédé et dispositif de fabrication d'un composant métallique durci doté d'au moins deux zones ayant une ductilité différente
EP2674504A1 (fr) * 2012-06-11 2013-12-18 Siemens S.p.A. Procédé et système pour traitements thermiques de rails
JP6014430B2 (ja) * 2012-09-12 2016-10-25 株式会社アステア バンパー
DE102013008853A1 (de) * 2013-05-23 2014-11-27 Linde Aktiengesellschaft Anlage und Verfahren zum Warmumformen von Platinen
JP6100676B2 (ja) * 2013-11-12 2017-03-22 株式会社神戸製鋼所 合金鋼の球状化熱処理方法
KR101583899B1 (ko) * 2014-01-02 2016-01-13 한양대학교 에리카산학협력단 열연 강판, 그 제조 방법, 및 제조 설비

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010004081B3 (de) * 2010-01-06 2011-03-24 Benteler Automobiltechnik Gmbh Verfahren zum Warmformen und Härten einer Platine
DE102010049205A1 (de) * 2010-10-13 2012-04-19 Elisabeth Braun Warmumformlinie und Verfahren zum Warmumformen von blechförmigem Material
US20150299817A1 (en) * 2012-03-13 2015-10-22 Asteer Co., Ltd. Method for strengthening steel plate member
KR20140081619A (ko) * 2012-12-21 2014-07-01 주식회사 포스코 이종 강도 영역을 갖는 열간 성형품의 제조방법
DE102014201259A1 (de) * 2014-01-23 2015-07-23 Schwartz Gmbh Wärmebehandlungsvorrichtung

Also Published As

Publication number Publication date
KR20180119580A (ko) 2018-11-02
JP7168450B2 (ja) 2022-11-09
EP3408416B1 (fr) 2021-11-10
ES2904571T3 (es) 2022-04-05
MX2018008998A (es) 2019-01-10
CN108884508B (zh) 2020-08-14
CN206204351U (zh) 2017-05-31
BR112018014947B1 (pt) 2022-11-22
PT3408416T (pt) 2022-01-26
HUE057631T2 (hu) 2022-05-28
JP2019506532A (ja) 2019-03-07
DE102016201025A1 (de) 2017-07-27
US20190032164A1 (en) 2019-01-31
JP7261267B2 (ja) 2023-04-19
PL3408416T3 (pl) 2022-03-28
AT15624U1 (de) 2018-03-15
DE202016104194U1 (de) 2017-04-27
BR112018014947A2 (pt) 2018-12-26
CN108884508A (zh) 2018-11-23
EP3408416A1 (fr) 2018-12-05
JP2021179012A (ja) 2021-11-18

Similar Documents

Publication Publication Date Title
EP2497840B2 (fr) Système de four pour le réchauffage partiel d'ébauches métalliques
DE102005032113B3 (de) Verfahren und Vorrichtung zum Warmumformen und partiellen Härten eines Bauteils
EP3408417B1 (fr) Procédé de traitement thermique
EP2864506B1 (fr) Procédé et dispositif de fabrication d'un composant métallique trempé à la presse
DE202010018370U1 (de) Vorrichtung zur Herstellung von Formteilen mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität
EP3652352B1 (fr) Procédé et dispositif de traitement thermique d'une pièce métallique
EP3408416B1 (fr) Procédé de traitement thermique et dispositif de traitement thermique
DE102011114764B4 (de) Verfahren zur Herstellung formgehärteter Bauteile und Durchlaufofen zum Erwärmen einer zum Formhärten vorgesehenen Platine
EP2905346A1 (fr) Dispositif de traitement de la chaleur
DE102011102167A1 (de) Verfahren zur Herstellung eines Formbauteils mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität und Erwärmungseinrichtung
DE102016124539B4 (de) Verfahren zum Herstellen lokal gehärteter Stahlblechbauteile
WO2017137259A1 (fr) Procédé de traitement thermique et dispositif de traitement thermique
EP3332041A1 (fr) Procédé de traitement thermique d'un élément en tôle d'acier et dispositif de traitement thermique à cet effet
EP3420111B1 (fr) Procédé de traitement thermique ciblé sur les zones d'une pièce
DE102004028236B3 (de) Verfahren und Vorrichtung zum Erwärmen von Werkstücken vor der Warm- oder Halbwarmumformung
DE202022100505U1 (de) Wärmebehandlungsvorrichtung
DE102016109095B4 (de) Vorrichtung und Verfahren zum partiellen Härten von Stahlblechbauteilen
DE102014109883A1 (de) Einrichtung zum Umformen und Presshärten eines Blechzuschnitts aus Stahl
EP3985133A2 (fr) Procédé de fabrication d'une platine d'acier, ainsi que station de thermorégulation

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 17703345

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: MX/A/2018/008998

Country of ref document: MX

ENP Entry into the national phase

Ref document number: 2018538676

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

REG Reference to national code

Ref country code: BR

Ref legal event code: B01A

Ref document number: 112018014947

Country of ref document: BR

ENP Entry into the national phase

Ref document number: 20187024554

Country of ref document: KR

Kind code of ref document: A

WWE Wipo information: entry into national phase

Ref document number: 2017703345

Country of ref document: EP

ENP Entry into the national phase

Ref document number: 2017703345

Country of ref document: EP

Effective date: 20180827

ENP Entry into the national phase

Ref document number: 112018014947

Country of ref document: BR

Kind code of ref document: A2

Effective date: 20180721