SE9603182L - Methods for making hollow articles through superplastic molding and diffusion jointing - Google Patents

Methods for making hollow articles through superplastic molding and diffusion jointing

Info

Publication number
SE9603182L
SE9603182L SE9603182A SE9603182A SE9603182L SE 9603182 L SE9603182 L SE 9603182L SE 9603182 A SE9603182 A SE 9603182A SE 9603182 A SE9603182 A SE 9603182A SE 9603182 L SE9603182 L SE 9603182L
Authority
SE
Sweden
Prior art keywords
series
areas
hollow articles
preselected
workpieces
Prior art date
Application number
SE9603182A
Other languages
Unknown language ( )
Swedish (sv)
Other versions
SE9603182D0 (en
SE509351C2 (en
Inventor
John Owen Fowler
Arnold James Stuart Pratt
Original Assignee
Rolls Royce Plc
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
Priority claimed from GB9517908A external-priority patent/GB2304613B/en
Application filed by Rolls Royce Plc filed Critical Rolls Royce Plc
Publication of SE9603182D0 publication Critical patent/SE9603182D0/en
Publication of SE9603182L publication Critical patent/SE9603182L/en
Publication of SE509351C2 publication Critical patent/SE509351C2/en

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
    • B21D26/053—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
    • B21D26/055—Blanks having super-plastic properties
    • 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
    • B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
    • B21D35/003—Simultaneous forming, e.g. making more than one part per stroke
    • 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
    • B21D53/78—Making other particular articles propeller blades; turbine blades
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00—Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12—Blades
    • F01D5/14—Form or construction
    • F01D5/18—Hollow blades, i.e. blades with cooling or heating channels or cavities; Heating, heat-insulating or cooling means on blades
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making
    • Y10T29/49337—Composite blade
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49316—Impeller making
    • Y10T29/49336—Blade making
    • Y10T29/49339—Hollow blade

Landscapes

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

Abstract

A method of manufacturing hollow articles by superplastic forming and diffusion bonding at least two metal workpieces comprises: (a) defining a series of spaced preselected areas (46) of at least one of the surfaces of at least one of the at least two metal workpieces (12,14) to prevent diffusion bonding at the preselected areas, each preselected area corresponding to the hollow interior of one of a series of hollow articles; (b) assembling the at least two workpieces into a stack; (c) applying heat and pressure across the thickness of the at least two metal workpieces to diffusion bond the at least two workpieces together, in areas other than the series of spaced preselected areas to form an integral structure; (d) heating and internally pressurising the preselected areas to cause the preselected areas to be superplastically formed to produce a series of hollow articles (86) of predetermined shapes; and further (e) parting the integral structure between the series of spaced pre selected areas to provide a series of articles, step (e) occurring between steps (c) and (d) or after step (d).
SE9603182A 1995-09-02 1996-09-02 Production esp. of gas turbine engine blades SE509351C2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9517908A GB2304613B (en) 1995-09-02 1995-09-02 A method of manufacturing hollow articles by superplastic forming and diffusion bonding

Publications (3)

Publication Number Publication Date
SE9603182D0 SE9603182D0 (en) 1996-09-02
SE9603182L true SE9603182L (en) 1997-03-03
SE509351C2 SE509351C2 (en) 1999-01-18

Family

ID=10780084

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9603182A SE509351C2 (en) 1995-09-02 1996-09-02 Production esp. of gas turbine engine blades

Country Status (1)

Country Link
SE (1) SE509351C2 (en)

Also Published As

Publication number Publication date
SE9603182D0 (en) 1996-09-02
SE509351C2 (en) 1999-01-18

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Legal Events

Date Code Title Description
NUG Patent has lapsed