GB1239473A - Aluminum alloy workpieces - Google Patents

Aluminum alloy workpieces

Info

Publication number
GB1239473A
GB1239473A GB3266168A GB3266168A GB1239473A GB 1239473 A GB1239473 A GB 1239473A GB 3266168 A GB3266168 A GB 3266168A GB 3266168 A GB3266168 A GB 3266168A GB 1239473 A GB1239473 A GB 1239473A
Authority
GB
United Kingdom
Prior art keywords
workpiece
prescribed
thickness
forging
forged
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
GB3266168A
Inventor
George L Garrity
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.)
Boeing North American Inc
Original Assignee
North American Rockwell Corp
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 to NL6809540A priority Critical patent/NL6809540A/xx
Application filed by North American Rockwell Corp filed Critical North American Rockwell Corp
Priority to GB3266168A priority patent/GB1239473A/en
Publication of GB1239473A publication Critical patent/GB1239473A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
    • B64C1/06—Frames; Stringers; Longerons ; Fuselage sections
    • B64C1/065—Spars
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/02—Die forging; Trimming by making use of special dies ; Punching during forging
    • 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
    • B21K1/00—Making machine elements
    • B21K1/76—Making machine elements elements not mentioned in one of the preceding groups
    • 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
    • B21K23/00—Making other articles
    • C—CHEMISTRY; METALLURGY
    • C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
    • C22F—CHANGING THE PHYSICAL STRUCTURE OF NON-FERROUS METALS AND NON-FERROUS ALLOYS
    • C22F1/00—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working
    • C22F1/04—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon
    • C22F1/053—Changing the physical structure of non-ferrous metals or alloys by heat treatment or by hot or cold working of aluminium or alloys based thereon of alloys with zinc as the next major constituent

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Forging (AREA)

Abstract

1,239,473. Making aircraft parts; forging; working at specified temperatures. NORTH AMERICAN ROCKWELL CORP. 9 July, 1968, No. 32661/68. Headings B3A, B3H and B3V. An aluminium alloy workpiece having at least one web portion of prescribed thickness and adjoining rib regions of greater thickness and prescribed plan locations is made by (a) forming the workpiece, heated to hot-forging temperature preferably 780‹ to 830‹ F., to an intermediate forged configuration in a heated die, preferably at 400‹ to 600‹ F., without complete closure of the die apparatus, (b) solution heat treating the workpiece, and (c) forging the workpiece at ambient temperature in the same die apparatus to its final forged configuration. In the intermediate forged configuration the web portions have a thickness of 101À5% to 104À0%, preferably 101À75% to 102À25%, of the prescribed thickness and the rib portions are, relative to the plan centre of the workpiece, at 99À0% to 99À7% of their prescribed plan locations. The process is particularly applicable to forged aircraft parts.
GB3266168A 1968-07-05 1968-07-09 Aluminum alloy workpieces Expired GB1239473A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL6809540A NL6809540A (en) 1968-07-05 1968-07-05
GB3266168A GB1239473A (en) 1968-07-05 1968-07-09 Aluminum alloy workpieces

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL6809540A NL6809540A (en) 1968-07-05 1968-07-05
GB3266168A GB1239473A (en) 1968-07-05 1968-07-09 Aluminum alloy workpieces

Publications (1)

Publication Number Publication Date
GB1239473A true GB1239473A (en) 1971-07-14

Family

ID=26261501

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3266168A Expired GB1239473A (en) 1968-07-05 1968-07-09 Aluminum alloy workpieces

Country Status (2)

Country Link
GB (1) GB1239473A (en)
NL (1) NL6809540A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083220A (en) * 1975-04-21 1978-04-11 Hitachi, Ltd. Sub-zero temperature plastic working process for metal
EP0158828A1 (en) * 1984-03-16 1985-10-23 Honeywell Inc. Method of manufacture of a metallic sabot
CN103357805A (en) * 2013-06-30 2013-10-23 贵州安大航空锻造有限责任公司 Method for forging formation of pin track
CN112338124A (en) * 2020-09-30 2021-02-09 贵州安大航空锻造有限责任公司 Forging method and preforging die for front wing actuator cylinder support beam forge piece
CN112792271A (en) * 2020-12-22 2021-05-14 西南铝业（集团）有限责任公司 7050 alloy forging production process
CN115446610A (en) * 2022-07-21 2022-12-09 成都飞机工业（集团）有限责任公司 Method for eliminating residual stress by cold pressing

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4083220A (en) * 1975-04-21 1978-04-11 Hitachi, Ltd. Sub-zero temperature plastic working process for metal
EP0158828A1 (en) * 1984-03-16 1985-10-23 Honeywell Inc. Method of manufacture of a metallic sabot
CN103357805A (en) * 2013-06-30 2013-10-23 贵州安大航空锻造有限责任公司 Method for forging formation of pin track
CN103357805B (en) * 2013-06-30 2015-07-29 贵州安大航空锻造有限责任公司 The method for forging and molding of pin rail
CN112338124A (en) * 2020-09-30 2021-02-09 贵州安大航空锻造有限责任公司 Forging method and preforging die for front wing actuator cylinder support beam forge piece
CN112338124B (en) * 2020-09-30 2023-03-28 贵州安大航空锻造有限责任公司 Forging method and preforging die for front wing actuator cylinder support beam forge piece
CN112792271A (en) * 2020-12-22 2021-05-14 西南铝业（集团）有限责任公司 7050 alloy forging production process
CN115446610A (en) * 2022-07-21 2022-12-09 成都飞机工业（集团）有限责任公司 Method for eliminating residual stress by cold pressing

Also Published As

Publication number Publication date
NL6809540A (en) 1970-01-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees