EP3408416A1 - Wärmebehandlungsverfahren und wärmebehandlungsvorrichtung - Google Patents
Wärmebehandlungsverfahren und wärmebehandlungsvorrichtungInfo
- Publication number
- EP3408416A1 EP3408416A1 EP17703345.3A EP17703345A EP3408416A1 EP 3408416 A1 EP3408416 A1 EP 3408416A1 EP 17703345 A EP17703345 A EP 17703345A EP 3408416 A1 EP3408416 A1 EP 3408416A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- temperature
- steel component
- regions
- furnace
- heat treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 54
- 238000000034 method Methods 0.000 title claims abstract description 30
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 88
- 239000010959 steel Substances 0.000 claims abstract description 88
- 238000001816 cooling Methods 0.000 claims abstract description 20
- 238000012546 transfer Methods 0.000 claims abstract description 10
- 229910000734 martensite Inorganic materials 0.000 claims abstract description 9
- 238000010791 quenching Methods 0.000 claims abstract description 3
- 230000000171 quenching effect Effects 0.000 claims abstract description 3
- 238000007664 blowing Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 description 6
- 229910000760 Hardened steel Inorganic materials 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011261 inert gas Substances 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 229910018125 Al-Si Inorganic materials 0.000 description 1
- 229910018520 Al—Si Inorganic materials 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000007669 thermal treatment Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Thermal Sciences (AREA)
- Physics & Mathematics (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Heat Treatment Of Articles (AREA)
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
- Tunnel Furnaces (AREA)
- Furnace Details (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL17703345T PL3408416T3 (pl) | 2016-01-25 | 2017-01-25 | Sposób obróbki cieplnej i urządzenie do obróbki cieplnej |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016201025.5A DE102016201025A1 (de) | 2016-01-25 | 2016-01-25 | Wärmebehandlungsverfahren und Wärmebehandlungsvorrichtung |
PCT/EP2017/051510 WO2017129602A1 (de) | 2016-01-25 | 2017-01-25 | Wärmebehandlungsverfahren und wärmebehandlungsvorrichtung |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3408416A1 true EP3408416A1 (de) | 2018-12-05 |
EP3408416B1 EP3408416B1 (de) | 2021-11-10 |
Family
ID=57965906
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17703345.3A Active EP3408416B1 (de) | 2016-01-25 | 2017-01-25 | Wärmebehandlungsverfahren und wärmebehandlungsvorrichtung |
Country Status (14)
Country | Link |
---|---|
US (1) | US20190032164A1 (de) |
EP (1) | EP3408416B1 (de) |
JP (2) | JP7168450B2 (de) |
KR (1) | KR20180119580A (de) |
CN (2) | CN206204351U (de) |
AT (1) | AT15624U1 (de) |
BR (1) | BR112018014947B1 (de) |
DE (2) | DE102016201025A1 (de) |
ES (1) | ES2904571T3 (de) |
HU (1) | HUE057631T2 (de) |
MX (1) | MX2018008998A (de) |
PL (1) | PL3408416T3 (de) |
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EP4174190A1 (de) * | 2021-10-26 | 2023-05-03 | Benteler Automobiltechnik GmbH | Verfahren zur herstellung eines kraftfahrzeug-formbauteils |
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DE102017115755A1 (de) | 2017-07-13 | 2019-01-17 | Schwartz Gmbh | Verfahren und Vorrichtung zur Wärmebehandlung eines metallischen Bauteils |
CN109518114A (zh) * | 2018-08-08 | 2019-03-26 | 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 |
DE102022108510A1 (de) * | 2021-04-16 | 2022-10-20 | Aerospace Transmission Technologies GmbH | Verfahren zur Wärmebehandlung metallischer Werkstücke |
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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 |
EP1789597A4 (de) * | 2004-08-18 | 2009-10-28 | Bishop Innovation Pty Ltd | Verfahren zur herstellung eines gehärteten geschmiedeten stahlbauteils |
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 |
DE102010004081C5 (de) * | 2010-01-06 | 2016-11-03 | Benteler Automobiltechnik Gmbh | Verfahren zum Warmformen und Härten einer Platine |
DE102010010156A1 (de) * | 2010-03-04 | 2011-09-08 | Kirchhoff Automotive Deutschland Gmbh | Verfahren zur Herstellung eines Formteiles mit mindestens zwei Gefügebereichen unterschiedlicher Duktilität |
DE102010049205B4 (de) * | 2010-10-13 | 2012-04-26 | Elisabeth Braun | Warmumformlinie und Verfahren zum Warmumformen von blechförmigem Material |
ES2635765T5 (es) * | 2011-03-10 | 2020-09-28 | Schwartz Gmbh | Sistema de horno y procedimiento para el calentamiento parcial de piezas de chapa de acero |
EP2548975A1 (de) * | 2011-07-20 | 2013-01-23 | LOI Thermprocess GmbH | Verfahren und Vorrichtung zur Herstellung eines gehärteten metallischen Bauteils mit mindestens zwei Bereichen unterschiedlicher Duktilität |
US9951395B2 (en) * | 2012-03-13 | 2018-04-24 | Asteer Co., Ltd. | Method for strengthening steel plate member |
EP2674504A1 (de) * | 2012-06-11 | 2013-12-18 | Siemens S.p.A. | Verfahren und System zur Wärmebehandlung von Schienen |
JP6014430B2 (ja) * | 2012-09-12 | 2016-10-25 | 株式会社アステア | バンパー |
KR101482336B1 (ko) * | 2012-12-21 | 2015-01-13 | 주식회사 포스코 | 이종 강도 영역을 갖는 열간 성형품의 제조방법 |
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 |
DE102014201259A1 (de) * | 2014-01-23 | 2015-07-23 | Schwartz Gmbh | Wärmebehandlungsvorrichtung |
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EP4174190A1 (de) * | 2021-10-26 | 2023-05-03 | Benteler Automobiltechnik GmbH | Verfahren zur herstellung eines kraftfahrzeug-formbauteils |
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JP2019506532A (ja) | 2019-03-07 |
PL3408416T3 (pl) | 2022-03-28 |
KR20180119580A (ko) | 2018-11-02 |
WO2017129602A1 (de) | 2017-08-03 |
DE202016104194U1 (de) | 2017-04-27 |
BR112018014947B1 (pt) | 2022-11-22 |
CN108884508B (zh) | 2020-08-14 |
CN206204351U (zh) | 2017-05-31 |
MX2018008998A (es) | 2019-01-10 |
PT3408416T (pt) | 2022-01-26 |
CN108884508A (zh) | 2018-11-23 |
US20190032164A1 (en) | 2019-01-31 |
JP7261267B2 (ja) | 2023-04-19 |
EP3408416B1 (de) | 2021-11-10 |
DE102016201025A1 (de) | 2017-07-27 |
BR112018014947A2 (pt) | 2018-12-26 |
HUE057631T2 (hu) | 2022-05-28 |
ES2904571T3 (es) | 2022-04-05 |
JP2021179012A (ja) | 2021-11-18 |
AT15624U1 (de) | 2018-03-15 |
JP7168450B2 (ja) | 2022-11-09 |
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