FR2389428A1 - Spin forming method for conical shell parts - uses one forming roller with compensator ring on flanged support to resist unbalanced forces - Google Patents

Spin forming method for conical shell parts - uses one forming roller with compensator ring on flanged support to resist unbalanced forces

Info

Publication number
FR2389428A1
FR2389428A1 FR7713152A FR7713152A FR2389428A1 FR 2389428 A1 FR2389428 A1 FR 2389428A1 FR 7713152 A FR7713152 A FR 7713152A FR 7713152 A FR7713152 A FR 7713152A FR 2389428 A1 FR2389428 A1 FR 2389428A1
Authority
FR
France
Prior art keywords
flanged support
shell parts
unbalanced forces
conical shell
ring
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.)
Pending
Application number
FR7713152A
Other languages
French (fr)
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.)
Etat Francais
Original Assignee
Etat Francais
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 Etat Francais filed Critical Etat Francais
Priority to FR7713152A priority Critical patent/FR2389428A1/en
Priority to DE19787812984 priority patent/DE7812984U1/en
Publication of FR2389428A1 publication Critical patent/FR2389428A1/en
Pending 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
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/14—Spinning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B1/00—Explosive charges characterised by form or shape but not dependent on shape of container
    • F42B1/02—Shaped or hollow charges
    • F42B1/036—Manufacturing processes therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • General Engineering & Computer Science (AREA)
  • Shaping Metal By Deep-Drawing, Or The Like (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Abstract

The installation is used for spinning shell parts to a conical shape, beginning with a flat circular blank (3). This is held onto a flanged support (12) by a screwed-on ring (5) and is formed over a conical-shaped mandrel by a roller (4). The mandrel is water cooled and the flanged support has diametrically opposite slots (13) in a sleeve. These slots form guides, being used in conjunction with pegs (14) to provide a sliding movement. The screwed-on ring acts as compensation for the unbalanced forces generated by the single forming roller, the flanged support being pushed back as spinning proceeds.
FR7713152A 1977-05-02 1977-05-02 Spin forming method for conical shell parts - uses one forming roller with compensator ring on flanged support to resist unbalanced forces Pending FR2389428A1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR7713152A FR2389428A1 (en) 1977-05-02 1977-05-02 Spin forming method for conical shell parts - uses one forming roller with compensator ring on flanged support to resist unbalanced forces
DE19787812984 DE7812984U1 (en) 1977-05-02 1978-04-28 FLOW PRESSURE DEVICE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7713152A FR2389428A1 (en) 1977-05-02 1977-05-02 Spin forming method for conical shell parts - uses one forming roller with compensator ring on flanged support to resist unbalanced forces

Publications (1)

Publication Number Publication Date
FR2389428A1 true FR2389428A1 (en) 1978-12-01

Family

ID=9190167

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7713152A Pending FR2389428A1 (en) 1977-05-02 1977-05-02 Spin forming method for conical shell parts - uses one forming roller with compensator ring on flanged support to resist unbalanced forces

Country Status (2)

Country Link
DE (1) DE7812984U1 (en)
FR (1) FR2389428A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490756A1 (en) * 1990-12-12 1992-06-17 AEROSPATIALE Société Nationale Industrielle Method for producing a workpiece of a non-malleable material at room temperatur by hot spinning and apparatus therefor
US5301414A (en) * 1991-07-23 1994-04-12 Caoutchouc Manufacture Et Plastiques Process for shaping a reinforcement on the extremities of the internal casing of an elastic joint, after molding, and its applications

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490756A1 (en) * 1990-12-12 1992-06-17 AEROSPATIALE Société Nationale Industrielle Method for producing a workpiece of a non-malleable material at room temperatur by hot spinning and apparatus therefor
FR2670409A1 (en) * 1990-12-12 1992-06-19 Aerospatiale PROCESS FOR MANUFACTURING BY HOT FLUOTOURNING OF A PART IN A NON-MALLEABLE MATERIAL WITH AMBIENT TEMPERATURE AND CORRESPONDING TOOLS.
US5301414A (en) * 1991-07-23 1994-04-12 Caoutchouc Manufacture Et Plastiques Process for shaping a reinforcement on the extremities of the internal casing of an elastic joint, after molding, and its applications

Also Published As

Publication number Publication date
DE7812984U1 (en) 1979-01-11

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