EP2524744A3 - Method and apparatus for producing a sound isolation panel for covering an aircraft engine - Google Patents

Method and apparatus for producing a sound isolation panel for covering an aircraft engine Download PDF

Info

Publication number
EP2524744A3
EP2524744A3 EP12156430.6A EP12156430A EP2524744A3 EP 2524744 A3 EP2524744 A3 EP 2524744A3 EP 12156430 A EP12156430 A EP 12156430A EP 2524744 A3 EP2524744 A3 EP 2524744A3
Authority
EP
European Patent Office
Prior art keywords
surface element
deformable
covering
producing
pressure
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
Application number
EP12156430.6A
Other languages
German (de)
French (fr)
Other versions
EP2524744A2 (en
EP2524744B1 (en
Inventor
Werner Beck
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.)
FORMTECH GmbH
Original Assignee
FORMTECH 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 FORMTECH GmbH filed Critical FORMTECH GmbH
Publication of EP2524744A2 publication Critical patent/EP2524744A2/en
Publication of EP2524744A3 publication Critical patent/EP2524744A3/en
Application granted granted Critical
Publication of EP2524744B1 publication Critical patent/EP2524744B1/en
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • B21D26/027—Means for controlling fluid parameters, e.g. pressure or temperature
    • 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
    • B21D26/053—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 characterised by the material of the blanks
    • B21D26/059—Layered 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
    • B21D53/00—Making other particular articles
    • B21D53/92—Making other particular articles other parts for aircraft

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)

Abstract

Die Erfindung betrifft ein Verfahren zum Bearbeiten mindestens eines Flächenelements (1), insbesondere eines Durchbrüche aufweisenden Flächenelements (1), bei dem an das Flächenelement (1) beidseitig je wenigstens eine Lage (12,12') eines verformbaren, mediumdichten Materials angelegt wird, das Flächenelement (1) zusammen mit den verformbaren Lagen (12,12') zwischen wenigstens zwei Formwerkzeugteile (3,4) eingelegt wird und auf mindestens einen Bereich eines Flächenabschnitts des eingelegten Flächenelements (1) bei einer vorgegebenen Umformtemperatur durch Einleiten eines Mediums zwischen eine der verformbaren Lagen (12) und einem ersten Formwerkzeugteil Druck ausgeübt wird. Der Druck wirkt unmittelbar gegen die verformbare Lage (12), so dass das Flächenelement (1) aufgrund des erzeugten Druckes zusammen mit den verformbaren Lagen (12,12') in wenigstens einen benachbarten Hohlraum (9) eines zweiten Formwerkzeugteils (4) hineingeformt wird. Mit diesem Verfahren ist eine Möglichkeit geschaffen, bisher nicht mittels Gasdruck umformbare Flächenelemente, in komplexe, nämlich räumlich gekrümmte Geometrien zu formen.

Figure imgaf001
The invention relates to a method for processing at least one surface element (1), in particular a surface element (1) having openings, in which at least one layer (12, 12 ') of a deformable, medium-tight material is applied to the surface element (1) on both sides. the surface element (1) together with the deformable layers (12,12 ') between at least two mold parts (3,4) is inserted and at least a portion of a surface portion of the inlaid surface element (1) at a predetermined forming temperature by introducing a medium between a the deformable layers (12) and a first mold part pressure is applied. The pressure acts directly against the deformable layer (12), so that the surface element (1) is formed into at least one adjacent cavity (9) of a second mold part (4) due to the generated pressure together with the deformable layers (12, 12 ') , With this method, it is possible to form surface elements that could hitherto not be deformed by gas pressure into complex, namely spatially curved, geometries.
Figure imgaf001
EP12156430.6A 2011-05-19 2012-02-22 Method for producing a sound isolation panel for covering an aircraft engine Not-in-force EP2524744B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102011102087A DE102011102087A1 (en) 2011-05-19 2011-05-19 Method for processing a surface element

Publications (3)

Publication Number Publication Date
EP2524744A2 EP2524744A2 (en) 2012-11-21
EP2524744A3 true EP2524744A3 (en) 2013-05-08
EP2524744B1 EP2524744B1 (en) 2015-03-25

Family

ID=45656349

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12156430.6A Not-in-force EP2524744B1 (en) 2011-05-19 2012-02-22 Method for producing a sound isolation panel for covering an aircraft engine

Country Status (3)

Country Link
US (1) US20120292126A1 (en)
EP (1) EP2524744B1 (en)
DE (1) DE102011102087A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104174752B (en) * 2014-07-10 2016-04-06 哈尔滨工业大学（威海） A kind of manufacture method of different alloys doubling plate shell composite structure part
CN106378375A (en) * 2016-08-30 2017-02-08 兰州空间技术物理研究所 Hydraulic forming device of molybdenum grid for iron thruster
CN109262153B (en) * 2018-11-15 2019-12-17 山东大学 pulse type high-speed jet impact plate connecting method and device

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3642208A1 (en) * 1985-12-11 1987-06-25 Hitachi Ltd METHOD FOR PRODUCING WORKPIECES IN THE FORM OF SHELLS WITH A CURVED SURFACE
US4691857A (en) * 1985-11-07 1987-09-08 Trw Inc. Method of shaping a workpiece
GB2241194A (en) * 1990-02-06 1991-08-28 Honda Motor Co Ltd Preventing breakage of covering film, during sheet forming and curing of fibre reinforced resin
US5119535A (en) * 1989-09-18 1992-06-09 The Boeing Company Method of reconfiguring rigid and semirigid structures
US20060210821A1 (en) * 2005-03-21 2006-09-21 The Boeing Company Method and apparatus for forming complex contour structural assemblies

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3071853A (en) * 1955-10-17 1963-01-08 Solar Aircraft Co Method and apparatus for making brazed honeycomb
US3914969A (en) * 1973-04-18 1975-10-28 Nasa Apparatus for forming dished ion thruster grids
US4559797A (en) * 1983-08-02 1985-12-24 Delaware Method for forming structural parts
DE3663117D1 (en) * 1985-02-21 1989-06-08 Bbc Brown Boveri & Cie Method for hot-forming at least one metal sheet of hardly deformable material
US5016805A (en) * 1988-10-31 1991-05-21 Rohr Industries, Inc. Method and apparatus for dual superplastic forming of metal sheets
US5072871A (en) * 1990-06-27 1991-12-17 Compressor Components Textron Inc. Method of making hollow articles
US5118026A (en) * 1991-04-05 1992-06-02 Rockwell International Corporation Method for making titanium aluminide metallic sandwich structures
US5253796A (en) * 1991-07-01 1993-10-19 Rockwell International Corporation Retort for gas diffusion bonding of metals under vacuum
US5330092A (en) * 1991-12-17 1994-07-19 The Boeing Company Multiple density sandwich structures and method of fabrication
GB9304041D0 (en) * 1993-02-27 1993-04-14 British Aerospace Forming of metal articles
US5529480A (en) * 1994-10-28 1996-06-25 The Boeing Company Honeycomb core forming restricter
US6439340B1 (en) * 2000-11-17 2002-08-27 Astech Manufacturing, Inc. Acoustically treated structurally reinforced sound absorbing panel
US6547895B2 (en) * 2001-01-25 2003-04-15 General Motors Corporation Superplastic multi-layer forming
US7588212B2 (en) * 2003-07-08 2009-09-15 Rohr Inc. Method and apparatus for noise abatement and ice protection of an aircraft engine nacelle inlet lip
US7210323B2 (en) * 2003-12-16 2007-05-01 General Motors Corporation Binder apparatus for sheet forming
US7850058B2 (en) * 2004-03-31 2010-12-14 The Boeing Company Superplastic forming of titanium assemblies
US7416105B2 (en) * 2005-05-06 2008-08-26 The Boeing Company Superplastically forming of friction welded structural assemblies

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4691857A (en) * 1985-11-07 1987-09-08 Trw Inc. Method of shaping a workpiece
DE3642208A1 (en) * 1985-12-11 1987-06-25 Hitachi Ltd METHOD FOR PRODUCING WORKPIECES IN THE FORM OF SHELLS WITH A CURVED SURFACE
US5119535A (en) * 1989-09-18 1992-06-09 The Boeing Company Method of reconfiguring rigid and semirigid structures
GB2241194A (en) * 1990-02-06 1991-08-28 Honda Motor Co Ltd Preventing breakage of covering film, during sheet forming and curing of fibre reinforced resin
US20060210821A1 (en) * 2005-03-21 2006-09-21 The Boeing Company Method and apparatus for forming complex contour structural assemblies

Also Published As

Publication number Publication date
US20120292126A1 (en) 2012-11-22
EP2524744A2 (en) 2012-11-21
EP2524744B1 (en) 2015-03-25
DE102011102087A1 (en) 2012-11-22

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