EP4129524A1 - Verfahren und vorrichtung zur herstellung eines bauteils aus einer platte aus verformbarem material, insbesondere für einen rand eines luftfahrzeugbauteils - Google Patents

Verfahren und vorrichtung zur herstellung eines bauteils aus einer platte aus verformbarem material, insbesondere für einen rand eines luftfahrzeugbauteils Download PDF

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Publication number
EP4129524A1
EP4129524A1 EP22184523.3A EP22184523A EP4129524A1 EP 4129524 A1 EP4129524 A1 EP 4129524A1 EP 22184523 A EP22184523 A EP 22184523A EP 4129524 A1 EP4129524 A1 EP 4129524A1
Authority
EP
European Patent Office
Prior art keywords
tool
parts
mold
plate
shape
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.)
Pending
Application number
EP22184523.3A
Other languages
English (en)
French (fr)
Inventor
César Garnier
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.)
Airbus Operations SAS
Original Assignee
Airbus Operations SAS
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 Airbus Operations SAS filed Critical Airbus Operations SAS
Publication of EP4129524A1 publication Critical patent/EP4129524A1/de
Pending legal-status Critical Current

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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
    • B21D53/00—Making other particular articles
    • B21D53/92—Making other particular articles other parts for aircraft
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • 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
    • B21D22/06—Stamping using rigid devices or tools having relatively-movable die parts
    • 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
    • B21D22/20—Deep-drawing
    • B21D22/22—Deep-drawing with devices for holding the edge of the blanks
    • B21D22/225—Deep-drawing with devices for holding the edge of the blanks with members for radially pushing the blanks
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/021—Deforming sheet bodies
    • B21D26/031—Mould construction
    • 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
    • B21D26/00—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces
    • B21D26/02—Shaping without cutting otherwise than using rigid devices or tools or yieldable or resilient pads, i.e. applying fluid pressure or magnetic forces by applying fluid pressure
    • B21D26/033—Deforming tubular bodies
    • B21D26/047—Mould construction
    • 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
    • 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
    • B21D53/00—Making other particular articles
    • B21D53/16—Making other particular articles rings, e.g. barrel hoops
    • B21D53/18—Making other particular articles rings, e.g. barrel hoops of hollow or C-shaped cross-section, e.g. for curtains, for eyelets

Definitions

  • the present invention relates to a method and a device for manufacturing parts in deformable material, in particular for an edge of an aircraft element.
  • the present invention applies more particularly to the manufacture of a part intended for any type of edge, in particular a leading edge, of an element, in particular of an aircraft and in particular of a transport aircraft. It may in particular be an external element (known as aerodynamic) of the aircraft, such as an aerodynamic surface (wing, stabilizer, etc.) or a propulsion system, or an element internal to the aircraft. .
  • aerodynamic an external element of the aircraft, such as an aerodynamic surface (wing, stabilizer, etc.) or a propulsion system, or an element internal to the aircraft.
  • the object of the present invention is to meet this need. To do this, it relates to a device for manufacturing at least one part of deformable material, in particular for an edge of an aircraft element.
  • the tool comprises at least one of the following actuation systems for bringing the two tool parts closer together: a mechanical system, a hydraulic system.
  • the movement system comprises at least one of the following units: a fluid supply unit (which uses an external fluid), a fluid movement unit (which uses a fluid internal to the tool which is moved when bringing the two parts of the tool together).
  • the mold comprises a plurality of shell parts capable of being separated and assembled
  • the manufacturing device comprises an auxiliary actuation system configured to be able to move said shell parts in order to assemble them .
  • the cavity of the mold has a shape making it possible to manufacture at least two parts simultaneously.
  • the manufacturing implemented by said manufacturing device can be carried out cold.
  • the manufacturing device further comprises an oven able to heat at least the plate. This particular embodiment makes it possible to carry out hot manufacturing.
  • the present invention also relates to a method of manufacturing at least one part made of deformable material, in particular for an edge of an element of an aircraft.
  • the forming step can be carried out after the deformation step.
  • the deformation step and the forming step are carried out, at least in part, simultaneously.
  • the manufacturing implemented by the manufacturing process can be carried out cold.
  • at least the forming step is performed hot, and preferably both the deformation step and the forming step are performed hot.
  • the device 1 represented schematically on the figure 1 and making it possible to illustrate the invention is a device for manufacturing a part 2 of deformable material, such as that shown by way of illustration in the figure 2 .
  • the part 2 can correspond to a part intended to be arranged on an element, in particular of an aircraft and in particular of a transport plane.
  • Part 2 is generally arranged on one edge of the element, and mainly but not exclusively on its leading edge, and it can correspond for example to an air inlet lip.
  • the element on which the part is arranged it may in particular be an element (known as aerodynamic) external to the aircraft, such as an aerodynamic surface (wing, stabilizer, etc.) or a propulsion system , or an element internal to the aircraft.
  • Exhibit 2 shown by way of illustration on the figure 2 has a general annular shape, with a symmetry of revolution around an axis LL.
  • Part 2 U-shaped in cross section, is provided with two longitudinal walls 3 and 4 which are linked together by a rounded bottom 5, at one of the longitudinal ends 6A.
  • the device 1 comprises a tool 8 provided, as shown in the picture 3 , of two tool parts 9 and 10. These two tool parts 9 and 10 are configured to be able to approach one another. To do this, at least one of the two tool parts 9 and 10 is mobile.
  • the tool 8 has a longitudinal axis X-X.
  • the tool parts 9 and 10 have a symmetry of revolution around this longitudinal axis X-X.
  • the tool 8 also comprises usual means, in particular a set of rails 13 ( picture 3 ), making it possible to guide the mobile tool part(s) 9 and 10 when these tool parts 9 and 10 approach each other.
  • the tool 8 also comprises an actuation system 11 configured to generate a force making it possible to approach the two tool parts 9 and 10 one of the other.
  • the action of the actuation system 11 on the tool 8 is illustrated by an arrow F on the picture 3 .
  • the actuation system 11 is a mechanical system for generating a mechanical action or pressure intended to bring the mobile tool part 9 closer to the fixed tool part 10 .
  • This mechanical system can, for example, be provided with a piston configured to push the mobile part 9 of the tool.
  • the actuation system 11 is a hydraulic system using an injection of fluid (liquid or gas) to generate hydraulic pressure intended to bring the mobile part of the tool 9 closer to the part of the tool. tool 10 fixed.
  • the actuation system 11 is a depression system using a "vacuum” pump to suck up the fluid (liquid or gas) and generate an action intended to bring the part of the tool 9 mobile part of the tool 10 fixed.
  • Tool part 9 includes longitudinal ends 9A and 9B and tool part 10 includes longitudinal ends 10A and 10B.
  • the tool parts 9 and 10 are arranged so that their longitudinal ends 9A and 10B face each other.
  • These fixings can, for example, be implemented by means of pinching systems capable of holding the longitudinal ends 12A and 12B of the plate 12 by pinching on the tool parts 9 and 10, for example using against plates (not shown) screwed onto the longitudinal ends 9A and 10B of the tool parts 9 and 10 by trapping the longitudinal ends 12A and 12B of the plate 12, or by other usual mechanical means.
  • the plate 12 When the plate 12 is fixed by its ends 12A and 12B on the tool 8 in the aforementioned manner, and the two tool parts 9 and 10 are approached to each other, in particular when the tool part 9 is approached to the tool part 10 as illustrated by the arrow G on the picture 3 , the plate 12 (made of deformable material) is deformed in the directions illustrated by arrows H on the figure 4 , namely radially to the longitudinal axis XX deviating from this longitudinal axis XX, that is to say radially outwards.
  • the plate 12 is then rounded and curved, as can be seen on the figure 4 .
  • deformable material means a material capable of being subjected to plastic deformation. This deformation can be carried out, mainly, without modifying the chemical state of the material.
  • said material is a metallic material, and in particular a titanium alloy or an aluminum alloy.
  • the device 1 also comprises, as shown in the figure 1 And 4 in particular, a mold 14 arranged at the periphery 8A of the tool 8, radially around the tool 8.
  • the mold 14 is provided with a cavity 15 (hollow) of shape corresponding to the shape of the part to be manufactured.
  • the cavity 15 has the shape of an annular cavity, the inner face 16 of which is provided with a bottom 17 and leads to an opening 18.
  • the mold 14 with its cavity 15 is arranged so that the opening 18 is oriented to be opposite the rounded plate 12, that is to say radially inward.
  • the plate 12 can enter the cavity 15 via the opening 18 as shown in the figure 4 , in order to be pressed against the internal face 16 of the cavity 15 as far as the bottom 17 as shown in the figure 1 .
  • the device 1 also comprises, as shown schematically in the figure 4 , a displacement system 19 configured to generate an action intended to push the plate 12 radially outwards, as illustrated by the arrows H.
  • the purpose of this action is to act on the rounded plate 12 to deform it until the press against the inner face 16 of the cavity 15 of the mold 14 so that it matches the shape of said inner face 16, as shown in the figure 1 .
  • Such an action therefore makes it possible to deform the rounded plate 12 (made of deformable material), by plastic deformation, so as to give it the shape of the indentation 15, representing the final shape of a large part of the part 2 to be manufactured or of the entire part 2 to be manufactured.
  • the displacement system 19 comprises a fluid supply unit 20.
  • This fluid supply unit 20 uses a fluid (liquid or gas) external to the tool 8 and to the mold 14, which is stored in a reservoir 21 and is transmitted via a pipe 22.
  • the fluid supply unit 20 is configured to inject an increasing volume of this fluid into a closed enclosure of the tool 8 and formed, for example, by the tool parts 9 and 10 and by the plate 12, in order to generate a pressure on the radially inner face 12C of the plate 12, intended to push the plate 12 against the cavity 15.
  • the displacement system 19 comprises a fluid displacement unit 23.
  • This fluid displacement unit 23 uses a fluid (liquid or gas) located in a closed cavity 24 ( figure 1 ) inside the tool 8.
  • the cavity 24 is formed by the plate 12 and the tool parts 9 and 10.
  • the fluid displacement unit 23 is configured so that, when bringing together the two parts of tool 9 and 10 from each other, the volume of the cavity 24 is reduced so as to compress this fluid which then generates a pressure on the face radially inside of plate 12. This pressure pushes plate 12 against cavity 15.
  • the mold 14 arranged at the periphery 8A (radially outer) of the tool 8 can be made in different ways.
  • the mold 14 comprises a shell (provided with the imprint 15) which is formed of several (individual) shell parts capable, on the one hand, of being separated from each other and, on the other hand, of be assembled.
  • Each of these shell parts includes a cavity part.
  • These impression parts are such that the impression 15 is completely reconstituted when the different shell parts are assembled by being brought into contact with each other.
  • the mold 14 comprises two shell parts 25 and 26, preferably two half-shells. Each of these shell parts 25 and 26 comprises, respectively, a cavity part 27, 28.
  • the cavity 15 is therefore reconstituted when the two shell parts 25 and 26 are brought into contact with each other, as shown on the figure 5 .
  • the half-shell 25 is fixed to the periphery of the tool part 9, that is to say radially to the outside, via a connecting face 25A.
  • the fixing is, for example, carried out by welding or by bolting.
  • half-shell 26 is fixed to the periphery of the tool part 10, that is to say radially to the outside, via a connecting face 26A. Fastening is also carried out, for example, by welding or by bolting.
  • the half-shells 25 and 26 are fixed so that, when the two tool parts 9 and 10 arrive at their maximum approach position, as shown in the figure 5 , the opposite faces 25B and 26B of the half-shells 25 and 26 come into contact with one another, and the mold 14 is reformed with its cavity 15 (consisting of cavity portions 27 and 28) completely reconstituted.
  • the plate 12 can be pressed against the cavity 15.
  • the mold 14 comprises a plurality of shell parts 29, 30, 31 and 32, each of which is movably connected to one of said tool parts 9 and 10, and a mechanical actuation system 33, for example a rod and cam system.
  • movably linked is meant the fact that the shell part 29, 30, 31 and 32 considered remains linked to the corresponding part of the tool 9, 10, but that it is able to be moved by rotation (as shown by arrows I on the figure 6 And 7 ) and/or by translation (as shown by arrows J on the figure 6 And 7 ) through the actuation system 33, the action of which is illustrated by an arrow 34 in dashed lines.
  • each of these movable shell parts 29 to 32 is able to assume at least two different positions, namely a separated position (from the corresponding tool part) and an assembled position, and is able to be moved from the one to the other of these positions by rotation and/or by translation.
  • the mold 14 is reformed with its cavity 15 completely reconstituted.
  • the shell parts can be brought into the assembled position, either during the bringing together of the two tool parts 9 and 10, or at the end of said bringing together.
  • the mold 14 comprises a set 35 of shell parts 29 and 30 connected (movably) to the tool part 9 and a set 36 of shell parts 31 and 32 connected (movably) to the part of tool 10.
  • each set 35, 36 of shell parts comprises a plurality of shell parts in the form of an arc of a circle, for example four shell parts as for the set 35 shown partially on the figure 7 .
  • the shell parts of an assembly 35, 36 form a half-shell when they are brought into contact with each other.
  • the two half-shells (obtained respectively from the two sets 35 and 36) make it possible to form the mold 14.
  • some of the mold shell parts can be fixed to the tool parts 9 and 10 as in the aforementioned first embodiment, and the other mold shell parts can be movably connected to the tool parts 9 and 10 as in the aforementioned second embodiment.
  • the device 1 comprises an auxiliary actuation system 39 represented on the figure 1 .
  • the mold 14 comprises a plurality of shell parts 37, 38 in the form of an arc of a circle, for example four shell parts, which can be brought into contact via the auxiliary actuation system 39 (whose action is illustrated by an arrow 40 in phantom), to reconstitute the mold 14.
  • the shell parts 37 and 38 are initially spaced radially (outwards) from the tool 8.
  • the auxiliary actuation system 39 is configured to move the shell parts 37 and 38 , in the direction illustrated by the arrows K on the figure 1 , in order to bring them into contact with each other to form the mold 14 and to bring them into contact with the periphery 8A of the tool 8.
  • the mold 14 and the cavity 15 have a shape such that they are suitable for manufacturing a part 42 ( figure 8 ) substantially crown-shaped.
  • This piece 42 allows, after cutouts along lines 43 shown on the figure 1 , to form two parts 2 as shown in the figure 8 .
  • Each of these two parts 2 is identical to part 2 shown on the picture 2 .
  • the mold 14 and the cavity 15 may have appropriate shapes and/or sizes making it possible to manufacture parts of various sizes and/or shapes.
  • they can also manufacture, for example, straight parts, curved parts, particularly arcuate parts, or parts of any shape.
  • the depth and/or size of the pieces can be very varied.
  • the manufacturing implemented by the device 1, as described above can be carried out cold.
  • the device 1 is then used at ambient temperature.
  • the manufacture can also be carried out hot.
  • the device 1 further comprises an oven 41 represented schematically on the figure 4 .
  • This oven 41 is capable of receiving the tool 8 and the mold 14, and it is configured to generate a predetermined temperature, for example between 500°C and 950°C.
  • This particular embodiment therefore makes it possible to manufacture the part 2, by heating the plate 12 before its deformation and during its deformation.
  • the mold 14 can be a heating mold and be configured to directly heat the plate 12. This variant embodiment therefore makes it possible to carry out hot manufacturing without using an oven.
  • the device 1, as described above, is capable of implementing a process P for manufacturing a part in deformable material, for example such as that shown in the picture 2 .
  • the cavity 15 having a shape corresponding to the shape of at least a part of the part 2 to be manufactured and being oriented to face the rounded plate 12, this action makes it possible to shape the rounded plate 12 so as to give it its final form.
  • the process P also includes a finishing step E3 consisting in unmolding the part obtained at the end of the forming step E2 and in implementing finishing operations on said part, in particular by cutting out parts of material exceeding the where appropriate and/or by making cutouts along lines 43 (shown on the figure 1 ) to obtain two parts 2.
  • a finishing step E3 consisting in unmolding the part obtained at the end of the forming step E2 and in implementing finishing operations on said part, in particular by cutting out parts of material exceeding the where appropriate and/or by making cutouts along lines 43 (shown on the figure 1 ) to obtain two parts 2.
  • the finishing step E3 consisting in unmolding the part obtained at the end of the forming step E2 and in implementing finishing operations on said part, in particular by cutting out parts of material exceeding the where appropriate and/or by making cutouts along lines 43 (shown on the figure 1 ) to obtain two parts 2.
  • the part or parts 2 manufactured by the process P are obtained.
  • the forming step E2 is performed after the deformation step E1.
  • the deformation step E1 and the forming step E2 are carried out, at least in part, simultaneously.
  • the manufacturing implemented by the process P can be carried out cold or hot.
  • the tool 8 and the mold 14 are integrated into the oven 41, as shown in the figure 4 , and at least the forming step E2 is carried out hot, that is to say at the temperature generated by the oven 41.
  • the plate 12 is integrated into the oven, the tool 8 and the mold 14 being left at room temperature.
  • the plate 12 is first heated in the oven, then positioned in the mold 14 in order to be deformed.
  • both the deformation step E1 and the forming step E2 are carried out hot.
  • the device 1 and the method P make it possible to manufacture parts 2 of various sizes and/or shapes, in particular annular parts, straight parts, or curved parts, in particular arcuate parts. circle.
  • the device 1 and the process P can be used to manufacture parts in different materials, in particular metal, and in particular in titanium alloy or aluminum alloy.
  • the device 1 makes it possible to manufacture, during a single implementation of the process P, simultaneously two parts 2 such as those represented on the figure 8 .

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
EP22184523.3A 2021-08-05 2022-07-12 Verfahren und vorrichtung zur herstellung eines bauteils aus einer platte aus verformbarem material, insbesondere für einen rand eines luftfahrzeugbauteils Pending EP4129524A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR2108531A FR3125974A1 (fr) 2021-08-05 2021-08-05 Procédé et dispositif de fabrication de pièce à partir d’une plaque en matériau déformable, en particulier pour un bord d’un élément d’un aéronef.

Publications (1)

Publication Number Publication Date
EP4129524A1 true EP4129524A1 (de) 2023-02-08

Family

ID=77711225

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22184523.3A Pending EP4129524A1 (de) 2021-08-05 2022-07-12 Verfahren und vorrichtung zur herstellung eines bauteils aus einer platte aus verformbarem material, insbesondere für einen rand eines luftfahrzeugbauteils

Country Status (4)

Country Link
US (1) US11833566B2 (de)
EP (1) EP4129524A1 (de)
CN (1) CN115703137A (de)
FR (1) FR3125974A1 (de)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070084538A1 (en) * 2003-11-12 2007-04-19 Kazuma Nakazawa Run-flat tire support member manufacturing method, run-flat tire support member and pneumatic run-flat tire
FR2975929A1 (fr) * 2011-06-01 2012-12-07 Airbus Operations Sas Procede de fabrication de la structure du bord d'attaque d'une surface aerodynamique
EP3485996A1 (de) * 2016-07-13 2019-05-22 Nippon Steel & Sumitomo Metal Corporation Heissgestanztes formprodukt, strukturelles element mit verwendung davon und verfahren zur herstellung eines heissgestanzten formprodukts
CN113020391A (zh) * 2021-03-04 2021-06-25 北京航空航天大学 高温合金流体介质超高压成形方法及装置

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3807009A (en) 1971-04-06 1974-04-30 J Ostbo Method of manufacturing curved tube sections and the like
US5372027A (en) 1989-11-29 1994-12-13 Armco Steel Company, L.P. Controlled material flow hydroforming
JP4082070B2 (ja) 2001-05-10 2008-04-30 住友金属工業株式会社 金属板の液圧バルジ成形方法、金型および成形品
DE10153139A1 (de) 2001-10-27 2003-05-08 Bayerische Motoren Werke Ag Thermisches Innendruck-Umformverfahren
DE102016107952B4 (de) * 2016-04-28 2018-07-12 Schuler Pressen Gmbh Verfahren zum Fertigen eines Bauteils, Bauteil und Presse zum Fertigen eines Bauteils
KR20200127319A (ko) 2019-05-02 2020-11-11 현대자동차주식회사 하이드로 포밍 장치 및 이를 이용한 부품 제조 방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070084538A1 (en) * 2003-11-12 2007-04-19 Kazuma Nakazawa Run-flat tire support member manufacturing method, run-flat tire support member and pneumatic run-flat tire
FR2975929A1 (fr) * 2011-06-01 2012-12-07 Airbus Operations Sas Procede de fabrication de la structure du bord d'attaque d'une surface aerodynamique
EP3485996A1 (de) * 2016-07-13 2019-05-22 Nippon Steel & Sumitomo Metal Corporation Heissgestanztes formprodukt, strukturelles element mit verwendung davon und verfahren zur herstellung eines heissgestanzten formprodukts
CN113020391A (zh) * 2021-03-04 2021-06-25 北京航空航天大学 高温合金流体介质超高压成形方法及装置

Also Published As

Publication number Publication date
US20230061707A1 (en) 2023-03-02
FR3125974A1 (fr) 2023-02-10
CN115703137A (zh) 2023-02-17
US11833566B2 (en) 2023-12-05

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