GB1419255A - Method of and apparatus for forming and stress-relieving sheet- metal blanks - Google Patents

Method of and apparatus for forming and stress-relieving sheet- metal blanks

Info

Publication number
GB1419255A
GB1419255A GB5704172A GB5704172A GB1419255A GB 1419255 A GB1419255 A GB 1419255A GB 5704172 A GB5704172 A GB 5704172A GB 5704172 A GB5704172 A GB 5704172A GB 1419255 A GB1419255 A GB 1419255A
Authority
GB
United Kingdom
Prior art keywords
blank
forging
punches
die
upsetting
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
GB5704172A
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.)
Vau J B P
Original Assignee
Vau J B P
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 Vau J B P filed Critical Vau J B P
Publication of GB1419255A publication Critical patent/GB1419255A/en
Expired legal-status Critical Current

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
    • B21D53/00—Making other particular articles
    • B21D53/78—Making other particular articles propeller blades; turbine blades
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21K—MAKING FORGED OR PRESSED METAL PRODUCTS, e.g. HORSE-SHOES, RIVETS, BOLTS OR WHEELS
    • B21K3/00—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like
    • B21K3/04—Making engine or like machine parts not covered by sub-groups of B21K1/00; Making propellers or the like blades, e.g. for turbines; Upsetting of blade roots

Abstract

1419255 Forging J-B P VAU 11 Dec 1972 [13 Dec 1971] 57041/72 Heading B3H A sheet metal blank is formed and stress relieved by forging a metal blank 1a between a die 3 and a punch 4 which define a cavity in their closed position, the blank projecting from at least one end of the cavity so that the blank can be upset by punches 5, Fig. 7, after forging so as to accurately fill the cavity. The initial blank is larger by between 1 and 10% than the length of the final article and after forging but before upsetting the width and thickness of the forged blank are smaller than those required in the final article. There may be a set of dies 3a-3c, Fig. 1, and a set of punches 4a-4c, if the article is extremely long. The die and punch parts are slightly spaced by springs and move together when abutted by the upsetting punches 5. The punches may have a reduced leading portion 21, Fig. 13, of the die has a greater length than the blank so as to contact the end of the blank for upsetting. The die and punch may co-operate to trim the blank before upsetting. The formed article is a turbine blade.
GB5704172A 1971-12-13 1972-12-11 Method of and apparatus for forming and stress-relieving sheet- metal blanks Expired GB1419255A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7144681A FR2163320B1 (en) 1971-12-13 1971-12-13

Publications (1)

Publication Number Publication Date
GB1419255A true GB1419255A (en) 1975-12-24

Family

ID=9087360

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5704172A Expired GB1419255A (en) 1971-12-13 1972-12-11 Method of and apparatus for forming and stress-relieving sheet- metal blanks

Country Status (10)

Country Link
US (1) US3845651A (en)
BE (1) BE792138A (en)
CH (1) CH561573A5 (en)
DE (1) DE2260742C3 (en)
FR (1) FR2163320B1 (en)
GB (1) GB1419255A (en)
IL (1) IL41057A (en)
IT (1) IT971800B (en)
NL (1) NL7216955A (en)
SE (1) SE389047B (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396605A1 (en) * 1977-07-06 1979-02-02 Vau Paul Metal workpiece precision press - uses knee levers mounted in plate controlling dies to increase force exerted
US4870524A (en) * 1984-07-06 1989-09-26 Furukawa Aluminum Co., Ltd. Substrate for rigid disk storage media
WO1987004093A1 (en) * 1985-12-28 1987-07-16 Falcore Co., Ltd. Method of preparing metal base for memory disk
JPH0638964B2 (en) * 1985-12-28 1994-05-25 古河アルミニウム工業株式会社 Method for manufacturing memory disk substrate
JPH0638965B2 (en) * 1985-12-28 1994-05-25 古河アルミニウム工業株式会社 Method for manufacturing memory disk substrate
US5335526A (en) * 1991-01-29 1994-08-09 Garrison Marvin C Method of manufacturing substrates for memory disks
JP2004006514A (en) * 2002-05-31 2004-01-08 Oki Electric Ind Co Ltd Basic cell of gate array semiconductor device, gate array semiconductor device, and layout method of gate array semiconductor device
NO324165B1 (en) * 2004-02-12 2007-09-03 Raufoss Tech As A sniping process
DE102004062174A1 (en) * 2004-12-17 2006-06-22 Rolls-Royce Deutschland Ltd & Co Kg Process for producing high strength components by precision forging
FR2891480B1 (en) * 2005-10-04 2008-04-04 Auto Chassis Internat Snc Snc TOOLING FOR MANUFACTURING A CLOSED SECTION FRAGMENT COMPRISING A MATRIX AND / OR A PUNCH OF ADAPTABLE LENGTH AND CORRESPONDING FABRICATION METHOD.
DE102007009937A1 (en) 2007-03-01 2008-09-04 Schuler Smg Gmbh & Co. Kg Metal plate shaping heats the plate to a given temperature, which is then clamped between two cooling elements before pressing
DE102010009811B4 (en) * 2010-03-02 2013-05-16 Mtu Aero Engines Gmbh Bending device for bending a blade of a blade ring
GB201021373D0 (en) * 2010-12-16 2011-01-26 Rolls Royce Plc A clipping die for clipping a component
GB201609988D0 (en) * 2016-06-08 2016-07-20 Rolls Royce Plc Datum positioning in dies

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US426652A (en) * 1890-04-29 Method of manufacturing axles
US524092A (en) * 1894-08-07 Machine for making axles

Also Published As

Publication number Publication date
US3845651A (en) 1974-11-05
FR2163320A1 (en) 1973-07-27
DE2260742C3 (en) 1981-02-19
IL41057A (en) 1976-05-31
BE792138A (en) 1973-03-16
NL7216955A (en) 1973-06-15
IT971800B (en) 1974-05-10
DE2260742A1 (en) 1973-06-14
SE389047B (en) 1976-10-25
DE2260742B2 (en) 1980-06-12
CH561573A5 (en) 1975-05-15
FR2163320B1 (en) 1974-12-20
IL41057A0 (en) 1973-02-28

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PE20 Patent expired after termination of 20 years

Effective date: 19921210