EP3655176A1 - Forging method, in particular lightweight construction alloy forging method, and forging press - Google Patents
Forging method, in particular lightweight construction alloy forging method, and forging pressInfo
- Publication number
- EP3655176A1 EP3655176A1 EP18743519.3A EP18743519A EP3655176A1 EP 3655176 A1 EP3655176 A1 EP 3655176A1 EP 18743519 A EP18743519 A EP 18743519A EP 3655176 A1 EP3655176 A1 EP 3655176A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- forging
- tool
- component
- cooling
- press
- 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
- 238000005242 forging Methods 0.000 title claims abstract description 660
- 238000000034 method Methods 0.000 title claims abstract description 152
- 229910045601 alloy Inorganic materials 0.000 title abstract description 12
- 239000000956 alloy Substances 0.000 title abstract description 12
- 238000010276 construction Methods 0.000 title abstract description 4
- 238000001816 cooling Methods 0.000 claims abstract description 101
- 230000008569 process Effects 0.000 claims description 49
- 238000012546 transfer Methods 0.000 claims description 38
- 239000012809 cooling fluid Substances 0.000 claims description 20
- 238000004080 punching Methods 0.000 claims description 7
- 238000003825 pressing Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 description 29
- 239000011265 semifinished product Substances 0.000 description 22
- 239000000463 material Substances 0.000 description 16
- 230000032683 aging Effects 0.000 description 10
- 241000600039 Chromis punctipinnis Species 0.000 description 9
- 238000005520 cutting process Methods 0.000 description 7
- 238000013461 design Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 238000009826 distribution Methods 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 238000003878 thermal aging Methods 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000009749 continuous casting Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000013386 optimize process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000008961 swelling Effects 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910001069 Ti alloy Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000000418 atomic force spectrum Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J1/00—Preparing metal stock or similar ancillary operations prior, during or post forging, e.g. heating or cooling
- B21J1/06—Heating or cooling methods or arrangements specially adapted for performing forging or pressing operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J13/00—Details of machines for forging, pressing, or hammering
- B21J13/02—Dies or mountings therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
- B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
- B21J5/025—Closed die forging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
- B21J9/00—Forging presses
- B21J9/02—Special design or construction
- B21J9/022—Special design or construction multi-stage forging presses
-
- 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
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
- C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
- C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
Definitions
- the invention relates to a forging method, in particular one
- EP 3 124 633 A1 and EP 2 644 727 B1 already disclose forging processes, in particular lightweight alloy forging processes, which are intended for the production of forged components, in particular of forged aluminum components.
- Forging process in which at least one process step, a cooling of a forging component takes place in a forging tool.
- the object of the invention is, in particular, to provide a generic method with improved properties with regard to achievable material properties of forged components and with regard to process stability.
- the object is achieved by the features of claim 1, while advantageous embodiments and modifications of the invention can be taken from the dependent claims.
- the invention is based on a forging method, in particular of a lightweight alloy forging method, in particular for the production of lightweight alloy components for the automotive, aerospace and / or industrial sectors, wherein cooling of a forging component in at least one method step a forging tool, in particular in a forming, stamping and / or
- At least one forging press parameter in particular a maximum press force and / or a press ram position, of a forging press, in particular depending on a cooling of the forging component in the forging tool, is changed or kept at a constant value.
- a cooling of the forging press parameter in particular a maximum press force and / or a press ram position, of a forging press, in particular depending on a cooling of the forging component in the forging tool
- Forging components directly in the forging tool in particular in an immediate connection to a hot forming of the forging component or already during a hot forming of the forging component.
- the forging method is designed in a manner already known to a person skilled in the art such that in at least one method step of the forging method an at least substantially entire material cross section of the forging component is plasticized.
- a three-dimensional stress distribution in the forging component during a deformation of a semifinished product for forging component is plasticized.
- Forging component used by forging This is preferred
- Temperature distribution in the forging component can be realized, such as by means of a forging tool already known to a person skilled in the art, which is preferably designed as a pre-die, in particular to local deformation in the forging component specifically in a manner already known to a person skilled in the art.
- hot forging of the forging component takes place in a forging tool.
- the forging tool in which the forging is hot formed, may be different from that
- the forging tool in which the forging component is cooled or it may be the same forging tool in which the forging component is hot-formed and cooled.
- the forging tool is designed as a die, for example as a pre-die, as a finished die or as another, a person skilled in the art as sensible appearing Gesenk.
- The, in particular designed as a die, forging tool can be designed as a forming, stamping or calibration tool.
- a deformation of the forging component takes place in the, in particular designed as a die, forging tool at a forming temperature of
- a deformation of the forging component takes place in the, in particular designed as a die, forging tool at a forming temperature with a value from a value range of 500 ° C to 560 ° C.
- a process step of the forging process in particular before a cooling of a
- At least one semi-finished product used for forging the forging component preheated, in particular to a temperature of more than 300 ° C, preferably of more than 400 ° C, more preferably greater than 490 ° C and most preferably less than 700 ° C.
- Preheating of the forging component preferably takes place by means of a device known to a person skilled in the art, for example a furnace or the like.
- Forging apparatus preferably comprises at least the forging tool in which the forging component, in particular after a hot forming, is cooled.
- the forging can forge other forging tools
- a forging tool to a preforming of the semifinished product For example, a forging tool to a preforming of the semifinished product, a
- a forging tool for deburring and / or cutting the forging component, a forging tool for calibrating the forging component and / or other forging tools that appear appropriate to a person skilled in the art.
- the semifinished product or the forging component during the forging process to different forging with different from each other
- Forging tools for pre-processing, machining and / or finishing such as preforming, hot working, cutting, cooling, calibrating or the like.
- a hot aging of the forging component in particular after a cooling of the
- Forged components in a forging tool in particular to achieve a T4, T5, T6 or T7 state according to DIN EN 515.
- a forging tool in particular to achieve a T4, T5, T6 or T7 state according to DIN EN 515.
- a forging tool in particular to achieve a T4, T5, T6 or T7 state according to DIN EN 515.
- a forging tool in particular to achieve a T4, T5, T6 or T7 state according to DIN EN 515.
- a forging component transfer takes place, in particular an at least partially automatic transfer
- a forging component transfer of the forging component from the forging device to a hot aging device already known to a person skilled in the art takes place at a forge
- the forging method is designed such that a residual heat in a ridge of the forging component advantageous to a heating of the
- the forging press characteristic depending on a
- the forging press comprises a path measuring device, which is provided, at least one travel path of a forging press ram and / or at least one forging tool part,
- the element and / or the unit fulfills / fulfills / executes / executes this specific function in at least one application and / or operating state.
- the forging press is designed such that at least one forging tool part, in particular at least one die half of the forging tool designed as a die, depending on a caused by a cooling of the forging component shrinkage characteristic of the forging component in a position and / or in a force on the
- Forging component is customizable. It is preferred, in particular during cooling of the forging component in the forging tool, at least one forging tool part, in particular at least one die half of the formed as a die
- Forged components caused shrinkage characteristic of the forging component moved closer to the forging component and / or one on the in the forging tool
- a pressing force acting on the forging tool arranged in the forging tool is reduced as a function of a cooling start time or kept constant, in particular a cooling effect of the forging tool on the in
- Forging tool arranged to forge targeted to influence.
- the forging tool part in particular the at least one die half of the forging tool designed as die, to have individually movable subregions which are independent of one another, in particular in addition to a travel path of the entire forging tool part, in particular the at least one die half of the forging tool designed as a die, are movable, in particular to selectively cool individual areas of the forging component, for example, have a greater maximum material thickness than other areas of the forging component, in particular to achieve a largely homogeneous temperature distribution in the forging during a cooling of the
- the individually movable trained portions of the forging tool are formed such that these independently and / or independently of a main body of the Forging tool are movable.
- Step a tracking movement of the individual parts of the
- At least one method step is followed by a tracking movement of the individual sections of the forging tool or the entire forging tool, in particular of the forging half formed as a die, depending on a caused by the cooling of the forging component shrinkage of the forging component to advantageously a concern of the individual portions of the forging tool or forging tool to allow for reliable cooling on an outer surface of the forging tool arranged in the forging tool.
- a change in position of the individual portions of the forging tool or the entire forging tool in particular designed as a die half forging tool, depending on a caused by the cooling of the forging component shrinkage of the forging component. It is also conceivable that in at least one method step, the individual portions of the forging tool different, especially different speeds,
- the forging tool as completely lockable
- Die which has at least one cooling fluid connection line, by means of which a cooling fluid can be introduced into the forging tool, which is provided for cooling the forging tool arranged in the forging.
- at least one parameter such as a quantity of cooling fluid, a cooling fluid temperature or the like, of the cooling fluid is regulated as a function of cooling, in particular of shrinkage of the forging component caused by the cooling of the forging component.
- the forging device designed as a forging press comprises at least one sensor unit for detecting a cooling characteristic of the forging component.
- the forging device designed as a forging press comprises at least one control and / or regulating unit for controlling and / or regulating the parameter of the cooling fluid and / or the forging press characteristic.
- the Abkühlkennies the forging component can be detected directly or indirectly by means of the sensor unit. More, one Those skilled in appear appropriate embodiments of the forging process are also conceivable.
- an advantageous material property of the forging component can be achieved. It can be achieved advantageously a high process stability of the forging process. An advantageous energy efficiency of the forging process can be achieved, in particular since a large cooling surface can be provided by the forging tool. It can be advantageously realized a small delay in the forging component, in particular as an at least substantially direct and fast
- Hot working is feasible. It can be achieved an advantageous material property of the forging component. It can be achieved advantageously a high process stability of the forging process. An advantageous energy efficiency of the forging process can be achieved, in particular since a large cooling surface can be provided by the forging tool. Advantageously, a slight distortion in the forging component can be realized, in particular since an at least substantially direct and rapid cooling of the forging component in the fixed state can be carried out after or during hot working.
- the forging component in the forging tool in particular starting from a forming temperature of the forging component of more than 400 ° C., preferably of more than 500 ° C. and more preferably of less than 700 ° C., to a temperature of less than 300 ° C, preferably less than 250 ° C, is cooled, especially directly in the forging tool, in which the
- Forging component in particular starting from a semi-finished product, is hot-formed.
- the forging component in the forging tool in particular starting from a forming temperature of the forging component of more than 400 ° C, cooled to a temperature with a value from a range of values from 150 ° C to 180 ° C, especially directly in the forging tool, in which Forging component, in particular starting from a semi-finished product, is hot-formed.
- a forging tool in which the forging component is cooled may be different from the forging tool in which the forging component is being hot formed, or it may be the same forging tool in which the forging component is thermoformed is cooled and immediately after the hot forming.
- an advantageous material property of the forging component can be achieved. It can be advantageously realized a high strength of the forging component. It can be advantageously realized a high ductility of the forging component.
- a slight distortion in the forging component can be realized, in particular since an at least essentially direct and rapid cooling of the forging component in the fixed state, in particular in the forging tool arranged and / or fixed condition, can be carried out after or during hot working.
- a, in particular average, cooling rate of the forging component, in particular during cooling, in the forging tool is greater than 25 K / s.
- a, in particular average, cooling rate of the forging component in the forging tool is in particular greater than 50 K / s, preferably greater than 100 K / s and particularly preferably greater than 200 K / s.
- Forging tool in particular less than 400 K / s, preferably less than 350 K / s and more preferably less than 310 K / s.
- Forging components can be achieved.
- the forging tool in which the forging component is cooled is the same forging tool in which the
- Forging component is hot-formed.
- the forging component is directly after the hot forging by the forging tool in the
- Cooled forging tool By means of the embodiment of the forging method according to the invention, an advantageously short cycle time can be realized. It can be achieved an advantageous material property of the forging component.
- Forging method proposed that the cooling of the forging component in the forging tool according to a carried out in another forging tool forming, in particular a hot forming, the forging component, in particular according to one, in particular at least partially automatic,
- Forging component handover of the forging component from the other forging tool to the forging tool.
- the forging component it is conceivable for the forging component to be hot-formed in the forging die designed as a pre-die, then hot-formed again in the forging die designed as finished die, in particular likewise or additionally, and subsequently or simultaneously cooled in the forging die designed as a finished die.
- the forging component in the as Fertiggesenk it is also conceivable that the forging component in the as Fertiggesenk
- the forging method can advantageously be used particularly flexibly.
- the forging tool and the other forging tool can be arranged together in a forging device, in particular in at least one forging press, or the forging tool and the other
- Forging tools can be arranged in different forging devices, in particular in different forging presses.
- Forging tool to the forging tool can be done by means of a lifting beam system, by means of a robot or by means of another, a professional appear appropriate device.
- a lifting beam system by means of a robot or by means of another, a professional appear appropriate device.
- Forging component handover of the forging component from the other forging tool to the forging tool is done by hand.
- Design of the forging process can advantageously be realized an optimized process flow, in particular depending on process requirements.
- the Forging process can advantageously be used particularly flexible. It can be achieved an advantageous material property of the forging component.
- the forging tool is actively cooled in at least one method step.
- the forging tool is active
- Cooling medium in particular a cooling fluid, such as cooling water, cooling oil, graphite emulsion o. The like., Fed.
- the forging tool comprises at least one cooling unit, which at least in a forging tool part of the
- Forging tool in particular in at least one die half of the trained as a die forging tool is integrated.
- Blacksmith tool designed as an open die It can be advantageously avoided an unwanted pressure change in the forging tool due to an inflow of cooling medium. It may be advantageous for a flow of cooling medium from the
- Forging tools are made possible, in particular between at least two
- Die halves of the trained as a die forging tool Die halves of the trained as a die forging tool.
- the forging tool is designed as a closed die.
- the forging tool is actively cooled, with a cooling of the forging component in the forging tool by means of a cooling fluid, which is passed through the forging contour in bore cavities, in particular cooling cavities of the cooling unit, of the forging tool.
- the cooling cavities of the forging tool can be known, for example, via a separating method, such as drilling, erosion or the like, known to a person skilled in the art
- the cooling fluid conducting cooling cavities are produced in a building process of a selected generative process.
- an embodiment of the forging tools in the form of a multi-part construction is envisaged in which the cooling cavities are formed by half-side recesses in the individual horrsegementen, in particular die halves of the forging tool and lead by assembling the horrsegemente to a closed channel structure.
- the forging component in the forging tool is actively treated, in particular sprayed, with a cooling fluid in at least one method step.
- the forging tool preferably comprises at least one cooling feed opening, via which the cooling fluid can be actively fed to the forging component arranged in the forging tool, at least during a cooling step.
- the forging tool preferably comprises a multiplicity of cooling feed openings, via which the cooling fluid can be actively fed to the forging component arranged in the forging tool, at least during a cooling step.
- the invention is based on a trained as a forging press
- Forging device in particular for carrying out a forging method according to the invention, with at least one forging tool, in particular a forming, stamping or calibration tool and with at least one cooling unit arranged at least partially on the forging tool.
- the forging press is designed such that at least one forging press parameter and / or a characteristic variable of a cooling fluid is changed in dependence on a cooling of a forging tool arranged in the forging tool or is kept at a constant value.
- the cooling unit is preferably provided to actively cool the forging tool, in particular to be advantageous from that in the
- Forging tool arranged forging component actively dissipate heat.
- the cooling unit is provided for active cooling of the forging tool arranged in the forging, such as spraying and / or wetting the forging tool arranged in the forging by means of a cooling fluid o. The like. It is conceivable that the forging tool, especially at least in the area a blacksmith engraving of the blacksmith tool, to a
- Cooling of the forging component in the forging tool has a full surface contact with the forging component or that the forging tool, in particular at least in the field of forging engraving of the forging tool, to a cooling of the forging
- Forging component in the forging tool has a partial contact with the forging component.
- a high Cooling rate of the forging component can be realized. It can be advantageously achieved a forging with a high strength and high ductility.
- a forging component in particular a
- the forging component is preferably made of an alloy, in particular an aluminum alloy, from the 2000 (EN AW 2xxx), the 3000 (EN AW 3 XXX), the 4000 (EN AW 4XXX), the 5000 (EN AW 5xxx), the 6000 (EN AW 6xxx), the 7000 (EN AW 7xxx) or the 8000 series (EN AW 8xxx).
- the forging component is in particular made of a technically usable aluminum alloy, which in your
- Forging according to the invention forging produced a maximum material thickness of in particular less than 200 mm, preferably less than 100 mm and more preferably less than 10 mm. Most preferably, by means of the forging method according to the invention a maximum material thickness with a value from a value range of 1 mm to 200 mm. By means of the embodiment according to the invention can be particularly advantageous a thin-walled
- Forged component with a high strength and a high ductility can be achieved. It can be advantageously realized a thin-walled forging component, which has a high resistance.
- the forging method according to the invention, the forging device according to the invention and / or the forging component according to the invention should / should not be limited to the application and embodiment described above.
- the forging method according to the invention can / can be used according to the invention
- Forging apparatus and / or the forging component according to the invention for performing a function described herein have a number differing from a number of individual elements, components and units as well as method steps mentioned herein.
- Fig. 1 shows a first embodiment of an inventive
- FIG. 2 diagrams of a heat history in one by means of
- Fig. 3 shows a second embodiment of an inventive
- Fig. 4 shows a third embodiment of an inventive
- FIG. 1 shows a forging production line 30a with a forging apparatus for carrying out a forging process 10a, in particular one
- Lightweight forging method for the production of a forging component 12a in particular for the production of lightweight alloy components for the automotive, aerospace and / or industrial sectors.
- a forging component 12a in particular for the production of lightweight alloy components for the automotive, aerospace and / or industrial sectors.
- Forging process 10a forging components 12a are produced, which can be used in another, a person skilled in the field appear appropriate, such as an aircraft area o. The like.
- Figure 1 are individual steps of the
- Forging method 10a graphically associated with a temperature profile in the forging component 12a, in particular starting from a semi-finished product 32a to a completely forged forging component 12a (see temperature-time diagram and corresponding dashed assignment in Figure 1).
- a semifinished product 32a is fed to a preheating device 34a of the forging production line 30a, in which the semifinished product 32a in at least one, in particular second,
- Process step of the forging process 10a is preheated, in particular starting from a room temperature of the semifinished product 32a, in particular up to a temperature of more than 300 ° C, preferably more than 400 ° C, more preferably more than 490 ° C and most preferably less as 700 ° C.
- the preheating device 34a preferably has a configuration already known to a person skilled in the art, for example a design as a preheating furnace or the like.
- the semi-finished product 32a in the form of a continuous casting material or an extrusion material for producing the forging component 12a by means of
- process step of the forging process 10a in particular after a preheating of the semifinished product 32a in the
- Preheating device 34a there is a transfer, in particular an at least partially automatic transfer of the semifinished product 32a to a forging of the
- Forge production line 30a The forging, in particular to a
- Carrying out a forging process 10a at least one forging tool 14a, 16a, in particular comprises a forming, stamping or calibrating tool.
- the Forging device is preferably designed as a forging press 20a.
- Forging press 20a can be designed as a screw press, as a hydraulic press, as a servo press or as another press which appears expedient to a person skilled in the art.
- the transfer of the semifinished product 32a from the preheater 34a can be done manually,
- the forging device preferably comprises at least one forging tool 14a, in particular in a forming, stamping and / or calibrating tool, in which the forging component 12a can be cooled.
- the forging device preferably comprises at least one further forging tool 16a for forming, in particular hot forming, the forging component 12a, in particular before cooling of the forging component 12a in the forging tool 14a.
- Forging tool 14a is preferably designed as a finished die.
- the further forging tool 16a is preferably designed as a pre-die.
- a blank of the forging component 12a takes place in the forging tool 14a.
- Forging tool 14a is preferably formed integrally with a cutting tool or a punching tool.
- a preforming of the forging component 12a takes place by means of the other
- Blacksmith tool 16a Preferably, in at least one, in particular fifth, method step of the forging method 10a, a forging component transfer, in particular an at least partially automatic forging component transfer, of the forging component 12a from the further forging tool 16a to the
- the forging component transfer of the forging component 12a from the other forging tool 16a to the forging tool 14a can be done manually, semi-automatically or fully automatically.
- a fully automatic forging component transfer of the forging component 12a preferably takes place from the other one
- Forging tool 16a to the forging tool 14a in particular by means of a forging device arranged on the transfer device (not shown here in detail) of the forging production line 30a.
- the arranged on the forging Transfer device can be designed as a robot, as Hubbalkenvoriques, as a conveying device o. The like.
- a deformation, in particular a hot forming, of the forging component 12a takes place in the forging tool 14a, in particular formed as a die, at a forming temperature of in particular more than 300.degree. C., preferably more than 400.degree. more preferably more than 490 ° C and most preferably less than 700 ° C.
- a deformation, in particular a hot forming, of the forging component 12a takes place in the, in particular as a die
- the forging component 12a is cooled in the forging tool 14a.
- Forging component 12a takes place after a deformation of the forging component 12a in the forging tool 14a.
- the cooling of the forging component 12a takes place in the forging tool 14a according to a transformation carried out in the further forging tool 16a, in particular preforming, of the forging component 12a.
- at least partially automatic cooling of the forging component 12a in the forging tool 14a takes place
- the forging device For a cooling of the forging component 12a in the forging tool 14a, the forging device comprises at least one cooling unit 24a, 26a, which is arranged at least partially on the forging tool 14a and in particular at least partially integrated in the forging tool 14a.
- the forging component 12a is preferably directly subsequent to the hot forging of the forging component 12a, in particular directly in the forging tool 14a
- Forging tool 14a cooled.
- the forging method 10a the forging method
- Forging tool 14a actively cooled.
- the forging tool 14a is supplied with cooling fluid by means of the cooling unit 24a, 26a and passed through the forging tool 14a.
- the cooling unit 24a, 26a Preferably, in each case on a forging tool part of
- Forging tool 14a in particular in each case at least one half of the die than Die-formed forging tool 14a, at least one cooling unit 24a, 26a arranged, which is provided for cooling the corresponding forging tool part, in particular the corresponding die half.
- the forging component 12a in the forging tool 14a is actively treated, in particular sprayed and / or circulated, with a cooling fluid.
- the forging tool 14a is alternatively or additionally flowed through by a cooling fluid, in particular to an advantageous heat removal from the forging component 12a and / or the forging tool 14a.
- the forging component 12a in the forging tool 14a in particular starting from a forming temperature of the forging component 12a of more than 400 ° C, is cooled to a temperature of less than 300 ° C.
- the forging component 12a in the forging tool 14a in particular starting from a forming temperature of the forging component 12a of more than 400 ° C, is cooled to a temperature with a value from a value range of 150 ° C to 180 ° C, in particular directly in the
- a cooling rate of the forging member 12a in the forging tool 14a is greater than 25 K / s, in particular due to heat transfer of heat of the
- a cooling rate of the forging component 12a in the forging tool 14a is in particular greater than 50 K / s, preferably greater than 100 K / s and particularly preferably greater than 200 K / s.
- a cooling rate of the forging component 12a in the forging tool 14a is in particular less than 400 K / s, preferably less than 350 K / s and particularly preferably less than 310 K / s.
- at least one forging press parameter in particular a maximum press force and / or a press ram position, is used as the
- Forging press 20a formed forging device changed or kept at a constant value (see also Figure 2).
- the forging press 20a comprises a path measuring device 38a, which is provided to at least one travel path of a forging press ram and / or at least one forging tool part,
- the forging press 20a is formed such that at least one forging tool part, in particular at least one die half of the forging tool 14a formed in a position and / or in a force on the Forging component 12a is customizable. At least one is preferred, in particular during a cooling of the forging component 12a in the forging tool 14a
- Forging tool part in particular at least one die half of the forging tool 14a designed as a die, moved closer to the forging component 12a as a function of a shrinkage characteristic of the forging component 12a caused by cooling of the forge component 12a
- Forging tool 14a arranged forging component 12a acting pressing force is increased, in particular to counteract a loss of contact between the forging component 12a due to a caused by the cooling shrinkage of the forging component 12a.
- a pressing force acting on the forging tool 14a arranged forged component 12a is reduced or kept constant as a function of a cooling start time, in particular to influence a cooling effect of the forging tool 14a on the arranged in the forging tool 14a forging component 12a targeted.
- at least one, in particular eighth, method step takes place
- Forging method 10a a hot aging of the forging component 12a, in particular after active cooling of the forging component 12a in the forging tool 14a, in particular to achieve a T4, T5, T6 or T7 state according to
- a hot aging of the forging component 12a preferably takes place at a temperature of, in particular, less than 280 ° C., preferably less than 250 ° C., and particularly preferably less than 220 ° C.
- Very particular preference is given to a thermal aging of the forging component 12a at a temperature with a value from a value range of 120 ° C to 250 ° C.
- a forging component transfer in particular an at least partially automatic forging component transfer, of the forging component 12a from the forging apparatus to an already known to a person skilled in the art
- Warm Auslagerungsvoriques 28a in particular after a, in particular active, cooling of the forging component 12a in the forging tool 14a.
- a forging component transfer of the forging component 12a from the forging apparatus preferably takes place to a hot aging apparatus 28a already known to a person skilled in the art by means of a further transfer apparatus 40a of the forging production line 30a.
- the further transfer device 40a is preferably at least substantially analogous to
- a forging component transfer of the forging component 12a from the forging device preferably takes place to a hot aging device 28a already known to a person skilled in the art at a temperature which is above a hot aging temperature of the forging component 12a.
- the forging method 10a is designed such that a residual heat in a ridge of the forging component 12a advantageously to a heating of the forging component 12a after a, in particular active, cooling of the forging component 12a in the
- Forging tool 14a is used to a Ausauslagerungstemperatur. After the hot aging of the forging component 12a, further process steps that appear appropriate to a person skilled in the art can follow.
- FIG. 3 shows a forging production line 30b with a forging apparatus for carrying out a forging process 10b, in particular one
- Lightweight forging method for the production of a forging component 12b, in particular for the manufacture of lightweight construction components, for the automobile, aviation, or industrial sector.
- a forging component 12b in particular for the manufacture of lightweight construction components, for the automobile, aviation, or industrial sector.
- Forging process 10b forging component 12b are produced, which can be used in another, the expert appears reasonable sense area, such as an aircraft area o. The like.
- Figure 3 are individual steps of the
- Forging 10b graphically associated with a temperature profile in the forging component 12b, in particular starting from a semi-finished product 32b to a finished forged component 12b (see temperature-time diagram and dashed line corresponding assignment in Figure 3).
- the forge production line 30b shown in FIG. 3 and the forging process 10b that can be carried out therewith differ from the forge production line 30a shown in FIG.
- the forging production line 30b includes a forging device comprising at least three forging tools 14b, 16b, 18b, in particular a forming, a punching and / or a calibration tool.
- the forging component 12b in particular after a, in particular direct, cooling in the forging tool 14b, which is preferably formed as a finished die, in at least one step of the forging process 10b to an additional forging tool 18b, preferably as punching and / or
- Cutting tool is formed, passed.
- FIG. 4 shows a forging production line 30c with a forging device for carrying out a forging process 10c, in particular one
- Lightweight forging method for the production of a forging component 12c, in particular for the production of lightweight alloy components, for the automobile, Aerospace, or industrial.
- a forging component 12c in particular for the production of lightweight alloy components, for the automobile, Aerospace, or industrial.
- lightweight alloy components for the automobile, Aerospace, or industrial.
- FIG. 4 individual process steps of the forging process 10c are shown graphically in a temperature profile in the forging component 12c, in particular on the basis of .alpha.
- Forging process 10c forged component 12c which can be used in another field that appears meaningful to a person skilled in the art a semi-finished product 32c to a finished forged component 12c, assigned (see temperature-time diagram and corresponding dashed assignment in Figure 4).
- the forge production line 30c shown in FIG. 4 and the forging process 10c that can be carried out therewith differ from the forge production line 30a shown in FIG. 1 and from it
- Forging which is designed as a forging press 22c, with at least one additional forging tool 18c, preferably as a punching and / or
- the further forging apparatus is designed as a forging press 22c.
- the forging component 12c in particular after a deformation, in particular a hot forming, in
- Forging tool 14c which is preferably formed as a finished die, in at least one step of the forging process 10c to the other
- the forging component 12c in particular after a deformation, in particular a hot forming, in the forging tool 14c, which is preferably formed as a finished die, in at least one
- Process step of the forging process 10c to the additional forging tool 18c which is preferably designed as a punching and / or cutting tool passed.
- Process step of the forging process 10c to the additional forging tool 18c which is preferably designed as a punching and / or cutting tool passed.
- the cooling of the forging component 12c is preferably carried out after forming the forging component 12c in the forging tool 14c.
- the cooling of the forging component 12c in the additional forging tool 18c takes place according to one in the forging tool 14c and the other forging tool 16c carried out reshaping the
- Forging 10c a forging component transfer, in particular an at least partially automatic forging component transfer, the forging component 12c of the other forging to a, already known to a person skilled in the art
- Hot swelling device 28c With regard to further features, functions and / or method steps of the forging production line 30c and the forging method 10c that can be carried out therewith, reference may be made to the description of that shown in FIG.
- Forge production line 30a and the forging process 10a can be referenced.
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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DE102017116556.8A DE102017116556B4 (en) | 2017-07-21 | 2017-07-21 | Forging processes, in particular lightweight alloy forging processes |
PCT/EP2018/069830 WO2019016394A1 (en) | 2017-07-21 | 2018-07-20 | Forging method, in particular lightweight construction alloy forging method, and forging press |
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EP3655176A1 true EP3655176A1 (en) | 2020-05-27 |
EP3655176B1 EP3655176B1 (en) | 2021-08-04 |
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EP (1) | EP3655176B1 (en) |
DE (1) | DE102017116556B4 (en) |
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Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
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JPS52120252A (en) | 1976-04-02 | 1977-10-08 | Honda Motor Co Ltd | Method and device for forging thin plate member |
DE102007040597A1 (en) | 2007-08-27 | 2009-04-09 | Brose Schließsysteme GmbH & Co. Kommanditgesellschaft | Component i.e. sash fastener, manufacturing method for motor vehicle door, involves cooling metallic sleeve in die tool such that sleeve takes martensitic microstructure, and taking out sleeve from die tool as finished sash fastener |
WO2010061007A1 (en) | 2008-11-03 | 2010-06-03 | Fundacion Labein | Method for hardening a component obtained by hot-forging and device used |
DE102009014670B4 (en) | 2009-03-27 | 2011-01-13 | Thyssenkrupp Sofedit S.A.S | Method and hot forming plant for the production of press-hardened shaped components from sheet steel |
DE102010012579B3 (en) | 2010-03-23 | 2011-07-07 | Benteler Automobiltechnik GmbH, 33102 | Method and device for producing hardened molded components |
EP2415882B1 (en) * | 2010-08-02 | 2016-03-23 | Benteler Automobiltechnik GmbH | Method for producing a shaped metal sheet from a rolled, non-hardenable aluminium alloy |
EP2583766B1 (en) * | 2011-10-21 | 2019-04-17 | EDAG Werkzeug + Karosserie GmbH | Forming with cooling |
JP5698695B2 (en) | 2012-03-30 | 2015-04-08 | 株式会社神戸製鋼所 | Aluminum alloy forgings for automobiles and manufacturing method thereof |
JPWO2014010678A1 (en) | 2012-07-12 | 2016-06-23 | 昭和電工株式会社 | Hard disk drive device case body manufacturing method and case body shape material |
JP5901738B2 (en) | 2014-03-27 | 2016-04-13 | 株式会社神戸製鋼所 | Aluminum alloy forging and method for producing the same |
DE102014108113A1 (en) * | 2014-06-10 | 2015-12-17 | Benteler Automobiltechnik Gmbh | Method for producing a motor vehicle component from aluminum |
DE102015103307A1 (en) | 2015-03-06 | 2016-09-08 | Benteler Automobiltechnik Gmbh | A method of manufacturing a hot formed and quench hardened hydroformed automotive component |
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2017
- 2017-07-21 DE DE102017116556.8A patent/DE102017116556B4/en active Active
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2018
- 2018-07-20 EP EP18743519.3A patent/EP3655176B1/en active Active
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DE102017116556A1 (en) | 2019-01-24 |
DE102017116556B4 (en) | 2022-02-03 |
EP3655176B1 (en) | 2021-08-04 |
WO2019016394A1 (en) | 2019-01-24 |
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