GB660282A - Improvements in or relating to turbines, compressors and like fluid flow apparatus - Google Patents

Improvements in or relating to turbines, compressors and like fluid flow apparatus

Info

Publication number
GB660282A
GB660282A GB2625048A GB2625048A GB660282A GB 660282 A GB660282 A GB 660282A GB 2625048 A GB2625048 A GB 2625048A GB 2625048 A GB2625048 A GB 2625048A GB 660282 A GB660282 A GB 660282A
Authority
GB
United Kingdom
Prior art keywords
roll
rolls
blade
rotated
varying
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.)
Expired
Application number
GB2625048A
Inventor
Clement Gaved
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.)
Power Jets Research and Development Ltd
Original Assignee
Power Jets Research and Development Ltd
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 Power Jets Research and Development Ltd filed Critical Power Jets Research and Development Ltd
Priority to GB2625048A priority Critical patent/GB660282A/en
Publication of GB660282A publication Critical patent/GB660282A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/02—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass turbine or like blades from one piece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P9/00—Treating or finishing surfaces mechanically, with or without calibrating, primarily to resist wear or impact, e.g. smoothing or roughening turbine blades or bearings; Features of such surfaces not otherwise provided for, their treatment being unspecified
    • B23P9/02—Treating or finishing by applying pressure, e.g. knurling
    • 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
    • F01D5/147—Construction, i.e. structural features, e.g. of weight-saving hollow blades

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • General Engineering & Computer Science (AREA)
  • Forging (AREA)

Abstract

660,282. Making turbine blades; rotting. POWER JETS (RESEARCH & DEVELOPMENT), Ltd. Sept. 28, 1949 [Oct. 8, 1948], No. 26250/48. Classes 83 (ii) and 83 (iv). In a method of making turbine blades and the like from blanks having accurately machined side faces 3, 4 and roughed-out leading and trailing edges, the latter are finished to the required shape by swaging with a grooved reciprocating roll 20. A blank 14 is held by end portions 1 with its leading edge uppermost so that it may be shaped by a roll 20 on a reciprocating carriage 18, the roll being freely slidable on a journal 19 so that it may take up the lateral position located by the faces 3, 4. The vertical descent of the carriage may be governed by stops and the rolls may be either driven or free. In making blanks with tapered blades the grooves in the rolls may be of varying cross-section, the rolls being positively driven by rack-and-pinion so that the blade and roll are kept in their correct relative position. A segmental portion of the roll may also be removed to clear the enlarged end of the blade at the root. The method is also suitable for forming edges on blades with varying inlet angles. For small variations the blade may be mounted with the mean inlet angle held vertical, the change in angle being accommodated by varying the section of the groove. For large variations in inlet angle the blade is rotated about a longitudinal axis by gearing synchronized with the roll reciprocating mechanism. Grooves of the required shape may be formed in the rolls by rolling them before hardening over hardened steel master patterns which may be rotated in synchronism with the relative movement of the rolls in the same manner as the blade is to be. rotated when large variations of inlet angle are required.
GB2625048A 1948-10-08 1948-10-08 Improvements in or relating to turbines, compressors and like fluid flow apparatus Expired GB660282A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2625048A GB660282A (en) 1948-10-08 1948-10-08 Improvements in or relating to turbines, compressors and like fluid flow apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2625048A GB660282A (en) 1948-10-08 1948-10-08 Improvements in or relating to turbines, compressors and like fluid flow apparatus

Publications (1)

Publication Number Publication Date
GB660282A true GB660282A (en) 1951-11-07

Family

ID=10240697

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2625048A Expired GB660282A (en) 1948-10-08 1948-10-08 Improvements in or relating to turbines, compressors and like fluid flow apparatus

Country Status (1)

Country Link
GB (1) GB660282A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987806A (en) * 1956-05-24 1961-06-13 Thompson Ramo Wooldridge Inc Method of making turbine blades and the like
EP1424466A2 (en) * 2002-11-28 2004-06-02 Alstom Technology Ltd Production method of a turbine blade

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2987806A (en) * 1956-05-24 1961-06-13 Thompson Ramo Wooldridge Inc Method of making turbine blades and the like
EP1424466A2 (en) * 2002-11-28 2004-06-02 Alstom Technology Ltd Production method of a turbine blade
EP1424466A3 (en) * 2002-11-28 2006-08-23 Alstom Technology Ltd Production method of a turbine blade
US7207108B2 (en) 2002-11-28 2007-04-24 Alstom Technology Ltd. Process for producing a turbine blade or vane

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