EP2583766B1 - Formage avec refroidissement - Google Patents

Formage avec refroidissement Download PDF

Info

Publication number
EP2583766B1
EP2583766B1 EP11186218.1A EP11186218A EP2583766B1 EP 2583766 B1 EP2583766 B1 EP 2583766B1 EP 11186218 A EP11186218 A EP 11186218A EP 2583766 B1 EP2583766 B1 EP 2583766B1
Authority
EP
European Patent Office
Prior art keywords
reshaping
nozzles
die
component
coolant
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.)
Active
Application number
EP11186218.1A
Other languages
German (de)
English (en)
Other versions
EP2583766A1 (fr
Inventor
Reinhard Kaltner
Thomas Klier
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Edag Werkzeug and Karosserie GmbH
Original Assignee
Edag Werkzeug and Karosserie 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 Edag Werkzeug and Karosserie GmbH filed Critical Edag Werkzeug and Karosserie GmbH
Priority to EP11186218.1A priority Critical patent/EP2583766B1/fr
Priority to MX2012012182A priority patent/MX2012012182A/es
Priority to BR102012027090-0A priority patent/BR102012027090B1/pt
Publication of EP2583766A1 publication Critical patent/EP2583766A1/fr
Application granted granted Critical
Publication of EP2583766B1 publication Critical patent/EP2583766B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D37/00—Tools as parts of machines covered by this subclass
    • B21D37/16—Heating or cooling

Definitions

  • the invention relates to the forming of heated metal components and cooling of the metal components in a forming tool.
  • the components may be in particular sheet metal components, but the invention is not limited to the forming and cooling of sheets, but relates to the forming of heated metal components in general, as far as the respective component is formed in a forming press.
  • Preference is given to using a method according to the invention and a forming press according to the invention for shaping and cooling ballistic components, ie armor components, in particular armor steel sheets.
  • the forming can be in particular a hot forming.
  • the GB 1 490 535 A discloses hot working and rapid cooling of steel components in a forming press. For cooling, the forming tool is cooled, or brought the molded component in the press directly into contact with the coolant. With regard to the cooling device, moreover, nothing is disclosed.
  • the EP 1 734 135 A2 known Umformpresse is a lower forming tool completely or only partially in a coolant bath, so that in case of complete coverage of the lower forming tool both the tool and directly the component to be formed are cooled, while only partial coverage of the tool only this and on the Tool the component is cooled indirectly.
  • either the coolant bath must be cooled in series production or the coolant must be exchanged in the bath.
  • the construction costs are considerable.
  • forming presses are known, for example from the DE 10 2006 042 830 B3 and the WO 2010/061007 A1 , which have forming tools with integrated nozzles, with which coolant can be sprayed directly onto the inserted component.
  • the direct cooling of the component with closed forming press is problematic, so that the forming presses appear more suitable for cooling when the forming tool is open.
  • the Production of the forming tools with the integrated nozzles and coolant supply lines is complex.
  • a cooled forming tool for press hardening of sheet metal components in which a die and a punch are each cooled at a remote from the component to be formed rear side with a coolant.
  • a support plate is arranged and fixedly connected to the punch or the die.
  • the stamp and the die are cooled by means of cooling channels which are formed in a contact surface between the punch or the die and the respectively adjacent support plate.
  • the contact surfaces on the backs of punch and die are each sealed by means of a seal surrounding the cooling channels.
  • the US 2 009 737 A relates to a molding press for metal parts with a forming tool with a forming bed and a forming die for the production of U-profiles made of steel.
  • the forming bed and the forming die have holes through which a coolant flows to dissipate heat during the deformation process of the forming tool and thus also of the molded part.
  • the forming tools lines are attached, from which after opening the forming tool or a coolant can be sprayed directly onto the molding to accelerate the cooling process of the molding.
  • the invention relates to a method and a forming press for forming metal components, which may not be exclusively, but in particular armor components, so ballistic components.
  • the method and the forming press for forming and cooling steel components use, in principle, the method and the forming press but also for forming and cooling of components made of other metals, such as nickel-based alloys or light metals, are suitable.
  • a component which has a suitable for the deformation, preferably hot working temperature subjected to forming in a forming tool and cooled in the forming tool.
  • the forming tool is cooled with a coolant and cools the component in contact with it.
  • the components are warm during forming.
  • the forming process may be a Lauwarmumformung in which the start or input temperature of the component is indeed above the room temperature, but well below the recrystallization temperature of the material of the component.
  • the invention relates to a process of hot forging and more preferably to a process of hot working, that is to say a forming process in which a transformation takes place above the recrystallization temperature of the material of the component.
  • the starting temperature is accordingly higher than a temperature which the component has after the forming and opening of the forming tool prior to removal.
  • the starting temperature is at least 200 ° C, wherein the component in preferred embodiments has an at least substantially the same starting temperature.
  • the invention also provides a forming press for forming, preferably hot forming of said components.
  • the forming press comprises a multi-part forming tool having a first tool shape and a second tool shape cooperating with the first tool shape, and a cooling device having a supply for a coolant and nozzles connected to the supply for spraying the Coolant.
  • a cooling device having a supply for a coolant and nozzles connected to the supply for spraying the Coolant.
  • the at least two tool molds at least one is movably arranged in order to be able to deform an inserted component by moving the tool molds together in the warm state.
  • the at least two molds act together as a die and male or female and stamp together. In particular, they may together or optionally with one or more other tool molds, form a forming tool for deep or deep drawing of components.
  • the coolant is applied as a spray on a rear side of the forming tool.
  • the nozzles which are preferably arranged separately from the tool molds, are directed according to the invention to the rear sides of the tool molds facing away from the tool molds when the tool molds are in the assembled state, in order to be able to cool the forming tool from the outside by means of a spray directed towards the rear side.
  • at least one first nozzle more preferably a first group of nozzles, is directed to a back side of the first tool mold and at least one further, second nozzle, more preferably another, second group of nozzles, to a back side of the second tool mold.
  • the back is a free outer surface, which means that the coolant can evaporate on this surface.
  • the back is preferably free in the sense that the evaporation takes place in the free environment of the forming press and the coolant can thus be removed in a particularly simple manner, but in principle it is also possible within the scope of the invention, the evaporated coolant catch again or remove with the help of a discharge from the forming tool.
  • the coolant evaporating in contact with the outer surface extracts heat from the forming tool in a particularly effective manner, namely by heat of vaporization.
  • the coolant requirement can be significantly reduced from convection cooling, such as by coolant flowing in cooling channels, or stationary heat transfer, such as when placing a tool mold in a coolant bath.
  • a sealing of the back is not required and not at all desirable. Rather, it is advantageous that the coolant at the back of the forming tool can evaporate into the free environment or at least no hindrance for the evaporation counter pressure is built up to any appreciable extent.
  • One the Nozzle comprehensive cooling device can therefore be simple. This results in a simplification of the forming tool, which can be constructed at least basically as a forming tool that is not cooled.
  • the forming press is also more flexible than known forming presses used, since when changing from one component to another series only the forming tool must be changed and the exchange of the one forming tool to the other with little effort can be completed.
  • the method and the forming press of the invention are particularly suitable for forming and cooling same components of a high-throughput series.
  • a heated first and a heated second component are subjected to hot forming in the forming tool one after the other and respectively cooled in contact with the latter in the forming tool.
  • the forming tool can be sprayed with cooled in the tool first or second component or after removal of the first component and before inserting the second component with the coolant.
  • the forming tool is sprayed in a first process variant only with the coolant when a component is in the tool and the tool is preferably closed, ie the forming tool in the period between the removal of the first Component and the insertion of the second component is not sprayed with the coolant.
  • the forming tool is sprayed only after the removal of the first component and before the insertion of the second component, but not with befindlichem in the tool component with the coolant.
  • the forming tool is sprayed both with the first or second component located in the tool and during the period after removal of the first component and before insertion of the second component.
  • combinations of the mentioned variants are feasible.
  • the coolant can be sprayed in the first or second variant of the method, for example, located in the tool first component on the back, while located in the tool second Component is not cooled with coolant.
  • the tool need not always be sprayed in each period between the removal of a component and the insertion of the respective next component.
  • it does not have to be sprayed in each of the spray phases mentioned, and not during the entire phase in each case.
  • the cooling device preferably has the ability to carry out any of these process variants.
  • the cooling device is advantageously flexible in the sense that it can realize any desired time profile of the spray application in order to apply the coolant in accordance with a determined requirement. It can be designed for automatic adaptation to a determined requirement or for a manual adjustment.
  • a profile of the coolant application is preset, for example by programming or parameterizing a software-based control.
  • the spray is generated in preferred embodiments by micro-atomization of the coolant.
  • the nozzles or at least a part of the nozzles are designed as micro-nozzles.
  • the coolant droplets that can be generated by means of the micro-nozzles and produced in the process preferably have a mean or largest droplet size of at most 100 ⁇ m, more preferably at most 50 ⁇ m.
  • micro nozzles are suitable with a nozzle cross-section which is at most as large as a circular bore with a diameter of at most 1 mm, more preferably at most 0.5 mm.
  • microjets whose nozzle cross section corresponds to the size of a circular area with a diameter of 0.4 mm or less.
  • the nozzle cross-section is at least as large as a circular area with a diameter of 0.1 mm.
  • Said nozzle cross-section can be circular, but it can also be shaped differently, for example, be slit-shaped.
  • the average droplet size is between 20 and 40 microns and the flow rate per nozzle between 0.05 and 0.2 liters per minute. It is optimal if the nozzle size or the optionally different nozzle sizes and the feed pressure of the cooling device are selected so that the coolant droplets completely evaporate in contact with the free outer surface of the forming tool.
  • the nozzles are arranged distributed over a surface opposite the rear side of the forming tool in a nozzle field and directed onto the relevant surface.
  • the arrangement in the nozzle field is preferably regular, so that, as seen over the entire surface of the nozzle field, a spray can be produced in at least substantially uniform intensity.
  • the nozzle array can be used in such embodiments particularly flexible in combination with different tool shapes, so it is not limited to the use of only a single, specific tool shape.
  • An adaptation can be made in a simple manner by spraying coolant, for example, only through those nozzles which are covered by the rear side projected in parallel onto the nozzle field.
  • the nozzles can also be opened and closed individually or in groups in order to be able to spray the coolant corresponding to a local cooling requirement of the mold to be sprayed.
  • the nozzles can be automatically controlled individually or in groups.
  • the cooling requirement is determined in advance for each of the same components of a series to identify, for example, intensively sprayed heat esters or colder, less intensive to be sprayed areas of the back. According to the local cooling demand determined empirically or by computer simulation, one or more of the nozzles is closed with one or more closure elements prior to start-up of the respective series so that no coolant is ejected through the respective nozzle during the respective series.
  • the forming tool or at least the at least one sprayable with the coolant mold tool in dependence on a determined temperature the desired quality of the formed and cooled component is decisive, cooled with the spray.
  • the temperature of the at least one sprayable mold can be determined directly.
  • a temperature of the respective component is determined directly.
  • the temperature of the component, in the series preferably of each component of the series can be determined, for example, at a certain time when the forming tool is still closed.
  • the temperature of the respective component is determined when the component is inserted in the hot state in the forming tool, but the forming tool is not yet closed, or if the respective component is still in the forming tool, but the forming tool already for the removal of Component is open.
  • a temperature detector used for determining the temperature may be part of the forming press.
  • forming presses for forming and cooling components are equipped with one or more temperature detectors. It is also common to determine the temperature of the component just prior to closing the forming tool and immediately after opening to ensure that the formed and cooled component in the forming press meets the required quality.
  • a temperature detector existing from home can be coupled to the forming press of the cooling device.
  • the temperature of the deformed and cooled component determined by means of the temperature detector can serve as a reference variable, for example controlled variable or command variable, for a control or regulating device of the cooling device and this cooling control or control control the coolant quantity as a function of the determined temperature or several determined temperatures or spray, which is sprayed per component, ie within a cycle of the series, on the back of the forming tool.
  • a plurality of temperature detectors can be provided in order to be able to determine a local heat distribution.
  • the cooling device with a correspondingly adapted control or regulating device can correspond to the coolant of the determined local heat distribution Spray on the back of the forming tool to even out the local heat distribution or maintain a consistent localized heat distribution.
  • Forming standards usually describe in detail that forming tools should not exceed certain temperatures in order to achieve, for example, a preferred press hardening, the press-hardening properties of the respective component.
  • the serial reproducibility of the components can be ensured in a simple and cost-effective manner with comparatively high throughput rates.
  • vehicle components in particular armor components for special protection vehicles, a component equality is essential, because only by the quality of the release pattern can be achieved.
  • These feature-like components also achieve the quality of components tested in the bombardment test. In bombardment tests, parameters for the production, in this case the forming and cooling of the components, can be checked and the procedure adjusted accordingly.
  • the components are heated to a starting temperature of preferably at least 200 ° C., more preferably above the recrystallization temperature, for example to more than 40 or 50% of the absolute melting temperature measured in K, and in each case to a temperature of preferably below 150 ° C, more preferably cooled below 120 ° C. If the components are steel components, they are preferably heated to a starting temperature necessary for austenitizing, preferably to a starting temperature of between 900 and 1000 ° C., for hot forming.
  • cooling liquids come into question as coolants.
  • water can form the coolant, preferably pure water.
  • a filtering of the water to be supplied to the nozzles is advisable.
  • the cooling device preferably has a corresponding filter device in the feed to the nozzles.
  • the nozzles can in principle be arranged on the mold to be sprayed, which can have, for example, recesses on a rear side in which the Nozzles and the supply for the refrigerant are arranged in fixed connection with the respective mold. More preferably, however, the nozzles are arranged separately from the respective mold as already mentioned.
  • the cooling device comprises at least one cooling part, preferably at least one cooling part per tool mold, with nozzles for spraying the relevant tool mold.
  • the cooling part comprises a support structure on which the nozzles of the respective cooling part are arranged, preferably on a free surface of the support structure.
  • the nozzles can also be arranged protected in a hollow support structure, in such embodiments the support structure having openings through which the nozzles can eject the coolant in the form of spray cones.
  • a particularly expedient design is to make the support structure with a surface relief, preferably a regular surface relief, with plateau-shaped projecting areas and contrasting recessed areas.
  • the nozzles are preferably arranged in the recessed areas. It is advantageous if the nozzles are further arranged so that they are still behind the projecting areas.
  • the feeds also extend in the recessed areas.
  • the protruding portions are arranged so close to each other in preferred embodiments that a tool mold resting on the protruding portions can not protrude into the recessed portions and the nozzles can not directly contact the mold so as to be protected in the recessed portions.
  • the protruding areas may together advantageously form a planar outer contact surface of the support structure which is in direct contact with the respective associated tool mold in the forming press.
  • the projecting regions can also together form an arched, possibly even multiply curved surface.
  • the acted upon in the process with the spray or acted upon by the forming press outer surface can be arranged in particular on a side facing away from the inserted component B back of the first or the second tool mold or the make up the entire back.
  • the coolable outer surface according to the invention may instead be an outer peripheral surface of the at least one coolable tool mold. It is advantageous if at least one of the tool molds, expediently the first and the second tool mold, can be acted upon in each case with a spray mist both on said rear side and on said circumferential surface.
  • a forming surface of the first or second tool mold contacting the component during forming can also be directly exposed to the coolant when the forming tool is open.
  • a spray mist can be generated on the outer circumference, which continues in the open state of the forming tool into the space between the tool molds.
  • FIG. 1 shows a forming tool 10 for the forming, preferably hot forming, of metal components B and a cooling device 20, which is adjacent to two mutually remote sides directly to the forming tool 10.
  • the metal components B are as preferred, but only by way of example, to steel sheets from which vehicle parts are formed by means of the forming tool 10. In these vehicle parts in particular, it can be sheet-like armor parts for the armor of special protection vehicles, such as armor steel plates of bullet class FB4 or FB6.
  • the invention is not least because of the cooling device 20 and made possible by this intensive cooling of the forming tool 10 for the hot forming and hardening of armor components B in mass production suitable.
  • the forming tool 10 comprises a first tool mold 1 and a second mold 2 which cooperate with mutually facing forming surfaces 7 during the forming as a die and male and deform the component B located between the molds 1 and 2 in the warm state two- or preferably three-dimensional.
  • component is used both for the component blank, in the exemplary embodiment, a sheet metal blank, as well as the formed and cooled in the forming tool 10 component B.
  • the cooling device 20 comprises a first cooling element associated with the first mold 1, which is seen from the located in the forming tool 10 from the rear side facing the first mold 1, and a second mold 2 associated second cooling part, seen from the component B from the Rear side of the second mold 2 is arranged facing.
  • a sandwich arrangement is obtained in which the tool molds 1 and 2 are arranged between the first and the second cooling part, wherein the cooling parts directly adjoin the tool molds 1 or 2.
  • a direct contact in each case a direct contact.
  • the arrangement of forming tool 10 and cooling device 20 may be arranged in a forming press in a conventional manner between, for example, a fixed press table and a movable relative to the press table plunger or between two mutually towards and away from each other moving plungers to the forming tool 10 for inserting and removing the open each component B and can apply the necessary pressure for forming.
  • the axis of relative mobility is denoted by Z.
  • the cooling parts each have a support structure, the first cooling part a support structure 15 and the second cooling part a support structure 16, each serving as a support or platform for an arrangement of coolant nozzles 13 and coolant supply 12.
  • the nozzles 13 are connected via the feeders 12 and not shown connections of the cooling parts to a coolant supply.
  • the nozzles 13 atomize the liquid coolant supplied in the feeder 12 into fine coolant droplets which are directed in a dense spray N onto the rear side 8 of the respective tool mold 1 or 2.
  • the nozzles 13 are designed as micro-nozzles and each have a nozzle cross-section, preferably a circular nozzle bore which is suitable for generating in each case a spray cone of coolant droplets having an average droplet size in the range between 20 to 80 .mu.m, preferably in the range between 20 and 60 microns have.
  • These fine coolant droplets evaporate when hitting the back 8 of the respective tool mold 1 or 2 and withdraw their heat of vaporization according to this mold 1 or 2 heat.
  • the component B is thus cooled by the contact with the molds 1 and 2 when the forming tool 10 is closed.
  • the cooling device is configured in advantageous embodiments for keeping the forming tool 10 at a specific temperature or at least below a certain upper temperature limit.
  • the nozzle cross-section of the nozzles 13 is in preferred embodiments as large as a circular area with a diameter in the range of 0.1 mm to 0.8 mm, more preferably in the range between 0.2 and 0.5 mm.
  • the support structures 15 and 16 each form an at least substantially planar support surface, with which they rest against the associated tool mold 1 or 2 in direct contact.
  • the support surface is formed by regions 17 projecting in the Z direction.
  • the nozzles 13 are arranged in regions 18 which protrude from the projecting regions 17 and which are formed between the projecting regions 17.
  • the tool molds 1 and 2 are formed as hollow structures which are open in the direction of the associated cooling part.
  • the tool mold 1 a shell 3 and the mold 2 a shell 4, between which the component B is during the forming process and press with the adapted forming surfaces 7 during the deformation against the component B.
  • the shells 3 and 4 each protrude support structures 5 in the direction of the first and second cooling part.
  • the support structures 5 are at their ends directly in contact with the respective associated cooling part, ie with the protruding portions 17 of the support structure 15 or 16. Between the support structures 5 remain free spaces 6, ie the cooling part towards open spaces, in each of which at least one of the nozzles 13 is directed so that their spray cone hits the back 8 of the shell 3 or 4.
  • the forming tools 1 and 2 are thus cooled directly in the region of the forming shells 3 and 4 and thus in the greatest possible proximity to the component B by means of spray mist.
  • the support structures 5 increase the intensity of the cooling by increasing the heat exchange surface of the tool molds 1 and 2 available for cooling purposes and contributing to the heat dissipation from the vicinity of the component B.
  • the support structures 5 are rib-shaped, in order to obtain large heat dissipation surfaces, ie they form cooling fins, but could in principle also protrude, for example, like a column from the backs 7 of the shells 3 and 4.
  • FIG. 1 is exemplary not for all, but only for a portion of the nozzles 13 a spray N representative of other nozzles 13 shown.
  • at least those nozzles 13 can each generate a spray cone facing the rear sides of the shells 3 and 4 or spray into one of the free spaces 6.
  • only selected nozzles 13 can each be used to generate a spray mist N from this group of nozzles 13 so that in such process guides only a portion of the nozzles 13 which are covered by the respective tool mold 1 or 2 are opened simultaneously and another part is closed during that time.
  • FIG. 2 shows the tool mold 1 and the associated cooling part in a perspective view of a cutting plane.
  • the design of the molds 1 and 2 by way of example on the basis of the mold 1, as hollow structures each with the component B forming shell 3 and 4 and projecting from the free rear outer surface 7 support structures 5, between which said free spaces 6 remain in which are directed into the nozzles 13 to effectively cool the surface 7 with a spray N of the refrigerant, in particular by evaporation heat.
  • Visible is also the plate-like character of the support structure 15, on which the tool mold 1 is arranged in direct contact with the projecting portions 17.
  • the support structure 15 has connecting elements 19, which are designed as screw holes by way of example.
  • the tool mold 1 is fastened to the support structure 15 by means of fastening elements 9, which cooperate with one of the connecting elements 19 in each case, in the example by means of a screw connection.
  • FIG. 3 is an isometric view of only one of the cooling parts, for example, the cooling part with the support structure 15.
  • the protruding portions 17 and opposite portions 18 form a flat relief.
  • the projecting portions 17 protrude only so far beyond the recessed portions 18, as is required for the arrangement of the nozzles 13 and the coolant supply 11, 12.
  • connection lines of the refrigerated parts supply system are designated and with 12 distribution lines, along which the nozzles 13 are arranged.
  • the support structure 15 has distributed over its circumference fastening elements 14, for example, to the edge open passages by means of which they can be attached to a table or plunger of the forming press.
  • the arrangement of the nozzles 13 is regular, by the nozzles 13 together forming a checkerboard-like nozzle array.
  • the regular or periodic arrangement of the nozzles 13 is advantageous in view of the flexible usability of the cooling part with different tool shapes.
  • the cooling part, in particular the nozzle field, has the required size for this purpose. In general, therefore, not all the nozzles 13 of the nozzle array will be required for each of the different molds. Rather, only those nozzles 13 are needed, which are covered by the respective mold in the assembled state. The uncovered and in this sense free nozzles 13 can be closed by means of appropriate closure elements to keep the amount of coolant consumed during production low. It can also be seen that any unevaporated coolant can flow off via the recessed regions 18.
  • the coolant evaporates completely in preferred process guides, ie it is sprayed on in an appropriate amount and droplet fineness, so that at least part of the coolant escapes in vaporous fashion over the recessed areas 18.
  • condensed coolant can flow over the recessed areas 18 but also in a simple manner.
  • the effluent coolant can optionally be collected.
  • the other cooling part corresponds to the illustrated wholly or largely.
  • the cooling parts are interchangeable.
  • the respectively next component B outside the forming tool 10 is heated to a temperature suitable for forming, preferably hot forming.
  • a temperature suitable for forming preferably hot forming.
  • steel components such as armored steel sheets
  • they are inserted into the forming tool 10 with a certain temperature, which is maintained within narrow limits and, for example, selected from the range between 900 and 1000 ° C.
  • This starting temperature is detected by means of one or more temperature detectors, such as an infrared camera. If the detected temperature is within a predetermined tolerance, the forming tool 10 is closed and the component B is hot-formed in a single stroke with a corresponding pressing pressure. Subsequently, with the forming tool 10 still closed, the component B is relieved of the high pressing pressure.
  • the forming tool 10 remains closed for a certain time until the component B only has a temperature of preferably about 80 ° C. A temperature of about 100 ° C should not be exceeded. Subsequently, the forming tool 10 is opened and detects the temperature of the component B by means of at least one temperature detector. Subsequently, the component B is removed from the forming tool 10.
  • the forming press is advantageously equipped with lowerable spacers that support the component B locally only in some places, as long as the molds 1 and 2 are still spaced apart. Compared to a large-scale edition immediately when inserting the heat transfer from the component B to the respective tool mold 1 or 2 is reduced by the support only by means of spacers.
  • the forming tool 10 is cooled by means of the cooling device, ie by means of spray cooling, in such a way that within a certain cycle time the series set the detected or determined immediately before the removal of the component B low temperature or at least an upper limit for this low temperature is not exceeded.
  • the coolant can be applied by means of the nozzles 13 with closed forming tool 10 or instead or additionally after the removal of a component B and before inserting a next component B, so that over the entire series in the predetermined cycle time in each case reaches the low component temperature or is set.
  • the coolant is always supplied to all nozzles 13 via the feed 11, 12.
  • the coolant requirement can be determined empirically before starting the series, possibly also only or additionally by computer simulation.
  • the timing of the spraying can also be adjusted for the entire series based on the empirically or by simulation determined needs.
  • Unnecessary nozzles 13 are closed before the start of the series, so in particular the nozzles 13 outside the area occupied by the forming tool 10 and optionally also nozzles 13 which are covered by the respective tool mold 1 or 2.
  • the coolant application can be adapted to a previously determined local cooling demand.
  • the nozzles 13 can be controlled individually or in groups in order to be able to flexibly satisfy a locally varying cooling requirement seen over the surface of the tool molds 1 and 2.
  • the nozzles 13, which are arranged outside over the outer circumference of the forming tool 10, can also be open in process variants or, in embodiments with individually or group-controllable nozzles 13, can also be charged with coolant.
  • the respective tool mold 1 or 2 outer nozzles 13 with closed forming tool 10 they can also act on the lateral outer surface on the circumference of the forming tool 10 by means of spray N.
  • the forming tool 10 can then be wrapped in the closed state over its outer periphery in a spray.
  • the outer support structures 5 are acted upon directly by the spray N and extract heat from the shells 3 and 4 via heat conduction in addition to the direct application of internal nozzles 13.
  • the outer nozzles 13 can produce a spray even with open forming tool 10, the tool molds 1 and 2 envelops not only at the periphery with open forming tool 10, but from the periphery penetrates into the space between the shells 3 and 4 and in this way directly also the forming surfaces 7 acted upon.
  • the forming surfaces 7 are expediently acted upon only with coolant if there is no component B in the forming tool 10, ie in the periods between the removal of the one and the insertion of the next component B.
  • the press can have one or more nozzles corresponding to the nozzles 13 on the sides respectively.
  • the optional laterally disposed nozzle (s) 13 may or may advantageously be in the open gap existing between the forming surfaces 7 when the forming tool 10 is open, ie substantially transversely to the press axis Z, or alternatively also both or only one of the Forming surfaces 7 directed.
  • At least one further cooling part which faces the outer circumference and contacts the outer circumference can be arranged around the outer support structures 5
  • One or more such peripheral cooling part (s) to be able to act directly on a spray N.
  • the or the peripheral cooling part (s) is provided in addition to the rear cooling parts with the cooling structures 15 and 16.
  • Circumferential cooling members may be movably disposed in the press transverse to the press axis Z, for example on the rearward cooling members, for moving and displacing the perimeter cooling members toward and away from each other, thereby maintaining flexibility with respect to the outer perimeter of the particular forming tool 10 being used ,
  • the cooling device 20 has a lateral peripheral cooling
  • the peripheral cooling is preferably divided in the direction of the press axis Z, ie axially divided, and comprises at least one of the tool mold 1 associated peripheral cooling part and at least one further, the tool mold 2 associated peripheral cooling part.
  • the peripheral cooling member associated with the movable tool mold is used together with the Arrangement of movable mold 1 or 2 and the rear cooling part is movable.
  • the peripheral cooling member or preferably at least two circumferential cooling members separate in the manner described, may or may extend circumferentially about at least substantially 360 ° about the press axis Z to uniformly engage the forming tool 10 or at least the associated tool mold 1 or 2 over the outer circumference Be able to act on spray.
  • the one or more peripheral cooling members extend or extend more than 180 ° about the press axis Z
  • the one or more peripheral cooling members (e) are preferably radially split so that they are transverse to the press axis Z away from each other and can be adjusted to each other or can.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting, Exchange, And Manufacturing Of Dies (AREA)
  • Turning (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)

Claims (15)

  1. Procédé de formage de composants métalliques, de préférence balistiques, dans une presse de formage, dans lequel
    (a) on soumet un premier composant chauffé et un second composant chauffé (B) dans un outil de formage (10) avec un premier moule d'outil (1) et un second moule d'outil (2) l'un après l'autre à un formage à l'état chaud et on les refroidit respectivement dans l'outil de formage (10),
    (b) et on refroidit l'outil de formage (10), avec le premier ou le second composant (B) se trouvant dans l'outil ou après l'enlèvement du premier composant (B) et avant l'insertion du second composant (B), avec un agent de refroidissement d'un dispositif de refroidissement (20) de la presse de formage avec une alimentation pour l'agent de refroidissement, dans lequel
    (c) on applique l'agent de refroidissement au moyen de buses (13), qui sont raccordées à l'alimentation, sous forme de brouillard (N) sur un côté arrière (8) du premier moule d'outil (1) ou du second moule d'outil (2) de l'outil de formage (10) situé à l'opposé du composant (B) inséré dans l'outil de formage (10).
  2. Procédé selon la revendication précédente, dans lequel on produit le brouillard (N) par micropulvérisation de l'agent de refroidissement.
  3. Procédé selon l'une quelconque des revendications précédentes, dans lequel les buses (13), de préférence des microbuses, sont disposées de façon répartie sur une face opposée aux côtés arrière (8) du premier moule d'outil (1) ou du second moule d'outil (2) et sont dirigées vers le côté arrière (8).
  4. Procédé selon la revendication précédente, dans lequel les buses (13) sont disposées en un champ de buses et sont ouvertes et fermées selon une demande de refroidissement locale du côté arrière (8) du premier moule d'outil (1) ou du second moule d'outil (2).
  5. Procédé selon la revendication précédente, dans lequel on détermine la demande de refroidissement locale pour une série des composants (B) et on ferme des buses (13) du champ de buses sélectionnées en fonction de la demande déterminée avant le formage de la série.
  6. Procédé selon l'une quelconque des revendications précédentes, dans lequel on détermine une température du premier composant refroidi (B) encore dans l'outil de formage (10) ou lors de l'enlèvement hors de l'outil de formage (10) ou une température de l'outil de formage (10) et on commande ou on règle la quantité de l'agent de refroidissement appliqué sous forme de brouillard (N) entre l'enlèvement du premier composant (B) et l'enlèvement du second composant (B) en fonction de la température déterminée.
  7. Procédé selon l'une quelconque des revendications précédentes, dans lequel la température initiale des composants (B) lors du formage vaut respectivement au moins 200°C et on refroidit les composants (B) dans l'outil de formage (10) respectivement à une température de moins de 150°C, dans lequel la température initiale dans le cas de composants en acier (B) vaut plus de 40 % de la température de fusion d'un matériau des composants (B), ou est au moins aussi élevée qu'une température nécessaire pour l'austénitisation du composant respectif (B).
  8. Procédé selon l'une quelconque des revendications précédentes, dans lequel on utilise de l'eau filtrée comme agent de refroidissement.
  9. Presse de formage pour le formage de composants métalliques, de préférence balistiques dans un état chaud, la presse de formage comprenant:
    (a) un outil de formage (10) avec un premier moule d'outil (1) et un second moule d'outil (2), dont au moins un est monté de façon mobile, afin de pouvoir former un composant (B) se trouvant dans un état chaud par rapprochement des moules d'outil (1, 2),
    (b) et un dispositif de refroidissement (20) avec une alimentation (11, 12) pour un agent de refroidissement et des buses (13) raccordées à l'alimentation (11, 12) pour la pulvérisation de l'agent de refroidissement,
    caractérisée en ce que
    (c) les buses (13) sont dirigées vers un côté arrière (8) des moules d'outil (1, 2) situé à l'opposé dans l'état rapproché avec un composant (B) inséré, afin de pouvoir refroidir l'outil de formage (10) par l'extérieur au moyen d'un brouillard (N).
  10. Presse de formage selon la revendication précédente, caractérisée en ce que les buses (13) sont disposées régulièrement en un champ de buses, et arrosent le côté arrière arrosable (8) uniformément avec l'agent de refroidissement.
  11. Presse de formage selon l'une quelconque des revendications précédentes, comprenant une structure de support (15, 16) tournée vers le côté arrière (8), sur laquelle les buses (13) sont disposées, dans laquelle la structure de support (15, 16) s'applique sur le moule d'outil (1, 2) présentant ce côté arrière (8) au moins lorsque les moules d'outil (1, 2) sont rapprochés.
  12. Presse de formage selon la revendication précédente, caractérisée en ce que la structure de support (15, 16) présente des zones en saillie (17) et des zones en retrait (18), les zones en saillie (17) s'appliquent sur le moule d'outil (1, 2) au moins lorsque les moules d'outil (1, 2) sont rapprochés et les buses (13) sont disposées dans les zones en retrait (18).
  13. Presse de formage selon une des deux revendications précédentes, caractérisée en ce que des structures de soutien (5) sortent du côté arrière (8), au moyen desquelles le moule d'outil (1, 2) est supporté dans la presse de formage, et des espaces libres (6) subsistent entre les structures de soutien (5), dans lesquels les buses (13) sont dirigées.
  14. Presse de formage selon l'une quelconque des revendications précédentes, caractérisée en ce que ledit au moins un moule d'outil (1, 2) arrosable avec les buses (13) présente une face de formage (7) touchant le composant (B) lors du formage et déterminant la forme du composant formé (B), un côté arrière situé à l'opposé du composant (B) et une périphérie extérieure s'étendant entre la face de formage (7) et le côté arrière, et la presse de formage répond au moins à une des caractéristiques suivantes:
    (i) les buses (13) ou seulement une partie des buses (13) est ou sont dirigées vers le côté arrière;
    (ii) les buses (13) ou seulement une partie des buses (13) est ou sont disposées ou dirigées de telle manière que le brouillard (N) qu'elles produisent atteigne la périphérie extérieure, dans laquelle ces buses sont disposées en option sur une structure de support latérale tournée vers la périphérie extérieure en face de celle-ci;
    (iii) les buses (13) ou seulement une partie des buses (13) est ou sont disposées et dirigées de telle manière qu'elles produisent un brouillard (N), qui pénètre lorsque l'outil de formage (10) est ouvert depuis la périphérie extérieure jusque dans une fente existant entre les moules d'outil (1, 2), de telle manière que la face de formage (7) dudit au moins un moule d'outil (1, 2) puisse être atteinte directement par l'agent de refroidissement.
  15. Presse de formage selon l'une quelconque des revendications précédentes, caractérisée en ce que la presse de formage comprend un détecteur de température pour la détermination d'une température du composant (B) ou de l'outil de formage (10) et le dispositif de refroidissement (20) comprend un dispositif de réglage pour le réglage ou l'ajustement de la quantité d'agent de refroidissement pulvérisé par les buses (13) et un dispositif de commande ou de régulation, qui commande ou régule le dispositif de réglage en fonction de la température déterminée, de préférence en respectant une limite supérieure de la température du composant (B).
EP11186218.1A 2011-10-21 2011-10-21 Formage avec refroidissement Active EP2583766B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP11186218.1A EP2583766B1 (fr) 2011-10-21 2011-10-21 Formage avec refroidissement
MX2012012182A MX2012012182A (es) 2011-10-21 2012-10-19 Procedimiento de conformacion con enfriamiento.
BR102012027090-0A BR102012027090B1 (pt) 2011-10-21 2012-10-22 processo e prensa para a deformação de componentes metálicos

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP11186218.1A EP2583766B1 (fr) 2011-10-21 2011-10-21 Formage avec refroidissement

Publications (2)

Publication Number Publication Date
EP2583766A1 EP2583766A1 (fr) 2013-04-24
EP2583766B1 true EP2583766B1 (fr) 2019-04-17

Family

ID=44992562

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11186218.1A Active EP2583766B1 (fr) 2011-10-21 2011-10-21 Formage avec refroidissement

Country Status (3)

Country Link
EP (1) EP2583766B1 (fr)
BR (1) BR102012027090B1 (fr)
MX (1) MX2012012182A (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104815908A (zh) * 2015-05-06 2015-08-05 翟述基 高强钢板冲压件热成型用水冷模具
DE102017116556B4 (de) * 2017-07-21 2022-02-03 Leiber Group Gmbh & Co. Kg Schmiedeverfahren, insbesondere Leichtbaulegierungsschmiedeverfahren

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2009737A (en) * 1932-04-14 1935-07-30 Midland Steel Prod Co Apparatus for producing automobile frame side rails and analogous devices
GB490535A (en) 1936-03-23 1938-08-16 Phelps Mackean Freer Improvements in or relating to pistons
DE102005028010B3 (de) 2005-06-16 2006-07-20 Benteler Automobiltechnik Gmbh Verfahren und Presse zum Warmformen
DE102006042830B3 (de) 2006-09-08 2007-10-31 Benteler Automobiltechnik Gmbh Verfahren zur Herstellung eines pressgehärteten Bauteils aus Stahl
DE102007003745B4 (de) 2007-01-19 2017-04-06 Müller Weingarten AG Vorrichtung zur Herstellung pressgehärteter Blechbauteile
DE102007056186B3 (de) * 2007-11-21 2009-01-08 Aisin Takaoka Co., Ltd., Toyota Warmformpresse
WO2010061007A1 (fr) 2008-11-03 2010-06-03 Fundacion Labein Procédé de trempe d'une pièce obtenue par estampage à chaud et dispositif utilisé dans le procédé
DE102010012579B3 (de) * 2010-03-23 2011-07-07 Benteler Automobiltechnik GmbH, 33102 Verfahren und Vorrichtung zur Herstellung von gehärteten Formbauteilen

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2583766A1 (fr) 2013-04-24
BR102012027090A2 (pt) 2013-11-12
BR102012027090B1 (pt) 2020-12-08
MX2012012182A (es) 2013-04-22

Similar Documents

Publication Publication Date Title
EP2608299B1 (fr) Dispositif et procédé de fabrication de plaques bipolaires métalliques
EP3160667B1 (fr) Procédé et outil de formage à chaud et pièce correspondante
EP1888794B1 (fr) Procede de production d'un composant metallique comprenant des sections adjacentes presentant differentes proprietes de materiau
EP2324938B1 (fr) Procédé et installation de formage à chaud destinés à la fabrication d'une pièce usinée durcie et déformée à chaud
EP2497840B2 (fr) Système de four pour le réchauffage partiel d'ébauches métalliques
DE112011105387B4 (de) Heißpressvorrichtung
EP2866960B1 (fr) Outil refroidi de formage à chaud et/ou de trempe sous presse de tôle et procédé de fabrication d'un dispositif de refroidissement dudit outil
DE102014222476B4 (de) Wärmebehandlungsvorrichtung zum Heißprägen und Ausformungsverfahren unter Verwendung dergleichen
DE102011117066B4 (de) Vorrichtung zur Herstellung eines warmumgeformten und pressgehärteten Kraftfahrzeugkarosseriebauteils sowie Verfahren zur Herstellung
DE102009016654A1 (de) Herstellungsverfahren von Rohrmaterial
DE102009060388A1 (de) Mehrstufiges direktes Formhärten
DE102018215545B4 (de) Verfahren zum Herstellen eines pressgehärteten Blechformteils und Presshärtewerkzeug
WO2007093269A1 (fr) PROCEDE ET DISPOSITIF DE Formation D'UNE DECOUPE OU D'UNE PERFORATION DANS LA PAROI D'UN COMPOSANT FORME PAR UN PROCEDE DE FACONNAGE SOUS HAUTE PRESSION INTERIEURE
DE102016201024A1 (de) Wärmebehandlungsverfahren und Wärmebehandlungsvorrichtung
EP3015183B1 (fr) Presse de déformation d'une ébauche plate en métal ayant deux parties de bâti pouvant se déplacer l'une sur l'autre
DE102007040013B4 (de) Werkzeug für das Warmumformen oder Presshärten eines Metallblechs sowie Verfahren zur Einstellung des Kühlverhaltens eines Werkzeugs
EP2583766B1 (fr) Formage avec refroidissement
EP2839894B1 (fr) Machine et procédé pour traiter des composants coulés
DE102015215184B4 (de) Werkzeug zur Wärmebehandlung von hinterschnittenen Bauteilen
DE102009053534A1 (de) Vorrichtung und Verfahren zum Umformen und/oder Vergüten von Blechbauteilen
DE102014213196A1 (de) Formwerkzeug zur Herstellung von warmumgeformten Bauteilen
WO2019048025A1 (fr) Procédé de fabrication d'un composant et outil associé
EP3778056B1 (fr) Procédé de formage avec préchauffage de tôles d'aluminium par étirage
DE102015101377A1 (de) Verfahren und Vorrichtung zur Herstellung eines Kragens an einem Werkstück
WO2019206448A1 (fr) Procédé, dispositif et outil de formage permettant de thermoformer un film plat ainsi qu'installation permettant de préparer des produits semi-finis et des produits

Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

AX Request for extension of the european patent

Extension state: BA ME

17P Request for examination filed

Effective date: 20131021

RBV Designated contracting states (corrected)

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: EDAG WERKZEUG + KAROSSERIE GMBH

17Q First examination report despatched

Effective date: 20150518

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: EXAMINATION IS IN PROGRESS

GRAJ Information related to disapproval of communication of intention to grant by the applicant or resumption of examination proceedings by the epo deleted

Free format text: ORIGINAL CODE: EPIDOSDIGR1

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: GRANT OF PATENT IS INTENDED

GRAP Despatch of communication of intention to grant a patent

Free format text: ORIGINAL CODE: EPIDOSNIGR1

INTG Intention to grant announced

Effective date: 20181108

GRAS Grant fee paid

Free format text: ORIGINAL CODE: EPIDOSNIGR3

GRAA (expected) grant

Free format text: ORIGINAL CODE: 0009210

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE PATENT HAS BEEN GRANTED

AK Designated contracting states

Kind code of ref document: B1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

REG Reference to a national code

Ref country code: GB

Ref legal event code: FG4D

Free format text: NOT ENGLISH

REG Reference to a national code

Ref country code: CH

Ref legal event code: EP

REG Reference to a national code

Ref country code: DE

Ref legal event code: R096

Ref document number: 502011015601

Country of ref document: DE

REG Reference to a national code

Ref country code: AT

Ref legal event code: REF

Ref document number: 1120984

Country of ref document: AT

Kind code of ref document: T

Effective date: 20190515

Ref country code: IE

Ref legal event code: FG4D

Free format text: LANGUAGE OF EP DOCUMENT: GERMAN

REG Reference to a national code

Ref country code: NL

Ref legal event code: MP

Effective date: 20190417

REG Reference to a national code

Ref country code: LT

Ref legal event code: MG4D

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: NL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: ES

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: PT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190817

Ref country code: SE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: FI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: LT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: NO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190717

Ref country code: HR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: RS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: PL

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: BG

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190717

Ref country code: GR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190718

Ref country code: LV

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IS

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190817

REG Reference to a national code

Ref country code: DE

Ref legal event code: R097

Ref document number: 502011015601

Country of ref document: DE

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: DK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: EE

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: CZ

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: RO

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: SK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

PLBE No opposition filed within time limit

Free format text: ORIGINAL CODE: 0009261

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: SM

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: IT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

26N No opposition filed

Effective date: 20200120

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: TR

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MC

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

Ref country code: SI

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

REG Reference to a national code

Ref country code: CH

Ref legal event code: PL

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: LI

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191031

Ref country code: LU

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191021

Ref country code: CH

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191031

REG Reference to a national code

Ref country code: BE

Ref legal event code: MM

Effective date: 20191031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: BE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191031

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: IE

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191021

REG Reference to a national code

Ref country code: AT

Ref legal event code: MM01

Ref document number: 1120984

Country of ref document: AT

Kind code of ref document: T

Effective date: 20191021

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: AT

Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES

Effective date: 20191021

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: CY

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: HU

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT; INVALID AB INITIO

Effective date: 20111021

Ref country code: MT

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

PG25 Lapsed in a contracting state [announced via postgrant information from national office to epo]

Ref country code: MK

Free format text: LAPSE BECAUSE OF FAILURE TO SUBMIT A TRANSLATION OF THE DESCRIPTION OR TO PAY THE FEE WITHIN THE PRESCRIBED TIME-LIMIT

Effective date: 20190417

P01 Opt-out of the competence of the unified patent court (upc) registered

Effective date: 20230601

REG Reference to a national code

Ref country code: DE

Ref legal event code: R081

Ref document number: 502011015601

Country of ref document: DE

Owner name: FFT WERKZEUG + KAROSSERIE GMBH, DE

Free format text: FORMER OWNER: EDAG WERKZEUG + KAROSSERIE GMBH, 36041 FULDA, DE

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: DE

Payment date: 20251020

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: GB

Payment date: 20251024

Year of fee payment: 15

PGFP Annual fee paid to national office [announced via postgrant information from national office to epo]

Ref country code: FR

Payment date: 20251024

Year of fee payment: 15