EP1584887B1 - Méthode de fabrication d'un sabot segmenté pour projectile sous-calibré - Google Patents

Méthode de fabrication d'un sabot segmenté pour projectile sous-calibré Download PDF

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Publication number
EP1584887B1
EP1584887B1 EP05004235A EP05004235A EP1584887B1 EP 1584887 B1 EP1584887 B1 EP 1584887B1 EP 05004235 A EP05004235 A EP 05004235A EP 05004235 A EP05004235 A EP 05004235A EP 1584887 B1 EP1584887 B1 EP 1584887B1
Authority
EP
European Patent Office
Prior art keywords
base body
guide part
webs
ring
sabot
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 - Lifetime
Application number
EP05004235A
Other languages
German (de)
English (en)
Other versions
EP1584887A1 (fr
Inventor
Jürgen Kolodzey
Michael Vagedes
Thomas Heitmann
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.)
Rheinmetall Waffe Munition GmbH
Original Assignee
Rheinmetall Waffe Munition GmbH
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 Rheinmetall Waffe Munition GmbH filed Critical Rheinmetall Waffe Munition GmbH
Publication of EP1584887A1 publication Critical patent/EP1584887A1/fr
Application granted granted Critical
Publication of EP1584887B1 publication Critical patent/EP1584887B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B14/00—Projectiles or missiles characterised by arrangements for guiding or sealing them inside barrels, or for lubricating or cleaning barrels
    • F42B14/06—Sub-calibre projectiles having sabots; Sabots therefor
    • F42B14/061—Sabots for long rod fin stabilised kinetic energy projectiles, i.e. multisegment sabots attached midway on the projectile

Definitions

  • the invention relates to a method for producing a segmented sabot for a preferably large-caliber sub-caliber balancing projectile according to the preamble of claim 1.
  • Such a sabot is from the DE 199 44 376 A1 known. It consists essentially of a correspondingly segmented base body made of a light metal and a rear-side and a front-side support. While the rear-side support is designed as a closed flange, the front support for reducing the weight of the sabot comprises a plurality of uniformly distributed over the circumference of the sabot, separated by air flow openings radial webs of plastic, the outside on a provided with predetermined breaking points, also made of plastic existing, circumferential ring are interconnected. About the type of attachment of the webs of the front support of the sabot to the body makes the above-mentioned document no further details. Rather, it is merely mentioned that the ring with the webs can also be sprayed onto the base body.
  • a sabot for subcaliber projectiles which also comprises on the front side a plurality of uniformly distributed over the circumference of the sabot, separated by air flow openings radial webs.
  • the radial webs can either be integrally connected to the main body or be manufactured as separate plastic parts, which are inserted in itself extending in the circumferential direction, dovetail-like grooves of the individual segments of the body.
  • the invention has for its object to provide a method for producing a segmented sabot of the type mentioned, in which a lower installation cost is required than in known comparable methods, without thereby affecting the accuracy of the corresponding projectile is adversely affected.
  • the invention is based on the idea to produce the front support of the sabot separately and then connect to the body.
  • the support is in contrast to DE 33 14 749 A1 configured such that it can be pushed in the direction of the longitudinal axis of the body on the front area. This makes it possible, inter alia, postpone the front support of the sabot in a simple manner only after the pre-assembly of the body on this and connect with this positive and / or non-positive.
  • the one-piece guide part of the front support in addition to the webs and the foot also includes the outside of the webs adjacent ring.
  • the sabot according to the invention can be produced by injection molding of a suitable plastic, wherein for reasons of sufficient strength preferably carbon fiber reinforced plastic should be used.
  • the guide part can also be made of light metal or a light metal alloy.
  • the foot of the guide member and the outside of the webs of the guide member subsequent ring should be provided with predetermined breaking points, which lie in the defined by adjacent segments of the body parting plane.
  • the sabot 1 comprises a correspondingly segmented and made of aluminum base body 5, with a front support 6 and a rear, an air pocket 7 having support eighth
  • the front support 6 is manufactured separately ( Fig.1 ) and then pushed axially onto the base body 5 and connected with this positive and / or non-positive (eg by an adhesive bond) ( Fig.2 ).
  • the front support 6 consists of a guide part 9 which has six webs 10 distributed uniformly over the circumference of the sabot 1, which are connected to a foot part 11 and a webs 10 connecting the outside ring 12.
  • the main body 5 is provided in its front region on the inside with a cylindrical recess 13 extending in the axial direction and in its laterally adjoining the recess 13 wall portion 14 with a number of webs 10 of the guide member 9 corresponding number slot-shaped recesses 15 in such a way that its foot part 11 is pushed axially into the recess 13 and its webs 10 into the slot-shaped recesses 15 for connecting the main body 5 to the guide part 9 ( Fig.2 ).
  • these parts can then be glued together, for example.
  • any injection-moldable plastic high strength and low moisture absorption can be used.
  • the commercially available Vestamid L-CF15 thermoplastic, polyamide 12 reinforced with 15% carbon fibers
  • the foot part 11 of the guide member 9 and the outside of the webs 10 of the guide member 9 subsequent ring 12 are provided with predetermined breaking points (not shown) in the adjacent segments 2-4 of the sabot 1 defined dividing planes 16-18 are.
  • FIG 4 another embodiment of the invention is shown. For reasons of clarity, only a single segment of the sabot designated 2 'is shown in perspective. With 5 'are the main body and 8' denotes the rear support.
  • the invention is not limited to the methods described above.
  • the ring provided with predetermined breaking points can also be manufactured separately and only then connected positively or non-positively with the molded-on webs of the body.
  • the ring instead of a carbon-fiber-reinforced plastic, the ring may also consist of a light metal or a light metal alloy, predetermined breaking points being preferably provided in the region of the separation points of adjacent segments of the base body.
  • the guide part can be made of light metal or a light metal alloy instead of plastic.
  • the profiling of the guide member may for example also have a dovetail shape.
  • the slot-shaped recesses do not necessarily have a radial course with respect to the projectile axis. Rather, both in terms of the angle and in terms of the position of the slot-shaped recesses largely arbitrary deviations can be allowed with respect to the projectile axis.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Toys (AREA)
  • Aerodynamic Tests, Hydrodynamic Tests, Wind Tunnels, And Water Tanks (AREA)

Claims (8)

  1. Procédé de fabrication d'un sabot segmenté (1) pour projectile sous-calibré, qui présente un corps de base (5 ; 5') segmenté de manière correspondante, et un support avant (6) fixé au corps de base (5 ; 5'), qui comprend des nervures (10 ; 10') disposées de manière répartie uniformément sur la périphérie du sabot (1), lesquelles sont connectées les unes aux autres du côté extérieur par un anneau périphérique (12 ; 12'), caractérisé en ce que les nervures (10 ; 10') du support avant (6) et une partie de base (11 ; 11') de forme annulaire portant les nervures (10 ; 10') sont fabriquées sous forme de partie de guidage séparée d'une seule pièce (9 ; 9'), et en ce que la partie de base (11') de la partie de guidage (9') est poussée dans la direction axiale sur le corps de base (5') ou en ce que la partie de base (11) de la partie de guidage (9) est enfoncée dans une gorge tournée centrale (13) de forme cylindrique du corps de base (5), les nervures (10) étant introduites dans des évidements correspondants (15) en forme de fente de la région de paroi avant (14) du corps de base (5).
  2. Procédé selon la revendication 1, caractérisé en ce que la partie de guidage (9 ; 9') séparée d'une seule pièce comprend aussi l'anneau (12 ; 12') adjacent du côté extérieur aux nervures (10 ; 10').
  3. Procédé selon la revendication 1 ou 2, caractérisé en ce que la partie de guidage (9 ; 9') se compose de plastique renforcé par des fibres de carbone et est fabriquée par moulage par injection.
  4. Procédé selon la revendication 1 ou 2, caractérisé en ce que la partie de guidage (9 ; 9') se compose de métal léger ou d'un alliage de métaux légers.
  5. Procédé selon l'une quelconque des revendications 1 à 4, caractérisé en ce que la partie de base (11 ; 11') de la partie de guidage (9 ; 9') et l'anneau (12 ; 12') se raccordant du côté extérieur aux nervures (10 ; 10') de la partie de guidage (9 ; 9') sont pourvus de points destinés à la rupture, qui se situent dans les plans de séparation (16-18) définis par des segments adjacents (2-4 ; 2') du corps de base (5 ; 5').
  6. Procédé selon l'une quelconque des revendications 1 à 5, caractérisé en ce que la partie de guidage (9 ; 9') du support avant est pourvue sur son côté tourné vers le corps de base (5 ; 5') d'au moins un profilage (19) qui est enfoncé dans un évidement (20) correspondant du corps de base (5 ; 5') en forme de rainure s'étendant dans la direction axiale du corps de base (5 ; 5'), pour la connexion du corps de base (5 ; 5') à la partie de guidage (9 ; 9').
  7. Procédé selon la revendication 6, caractérisé en ce que le profilage (19) de la partie de guidage (9 ; 9') est réalisé en forme de queue d'aronde ou en forme de T.
  8. Procédé selon la revendication 1, caractérisé en ce que l'anneau (12 ; 12') est fabriqué séparément et est connecté par engagement par correspondance géométrique et/ou par force à la partie de guidage (9 ; 9') constituée des nervures (10 ; 10') et de la partie de base (11 ; 11').
EP05004235A 2004-04-10 2005-02-26 Méthode de fabrication d'un sabot segmenté pour projectile sous-calibré Expired - Lifetime EP1584887B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004017674A DE102004017674A1 (de) 2004-04-10 2004-04-10 Verfahren zur Herstellung eines segmentierten Treibkäfigs für ein unterkalibriges Wuchtgeschoss
DE102004017674 2004-04-10

Publications (2)

Publication Number Publication Date
EP1584887A1 EP1584887A1 (fr) 2005-10-12
EP1584887B1 true EP1584887B1 (fr) 2009-02-18

Family

ID=34895559

Family Applications (1)

Application Number Title Priority Date Filing Date
EP05004235A Expired - Lifetime EP1584887B1 (fr) 2004-04-10 2005-02-26 Méthode de fabrication d'un sabot segmenté pour projectile sous-calibré

Country Status (4)

Country Link
EP (1) EP1584887B1 (fr)
AT (1) ATE423301T1 (fr)
DE (2) DE102004017674A1 (fr)
ES (1) ES2320231T3 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009049440A1 (de) 2009-10-14 2011-07-07 Nitrochemie Aschau GmbH, 84544 Treibspiegel
DE102019125128B4 (de) * 2019-09-18 2026-02-19 Rheinmetall Waffe Munition Gmbh Treibkäfig
DE102022118022A1 (de) 2022-07-19 2024-01-25 Rheinmetall Waffe Munition Gmbh Treibkäfig

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3314749A1 (de) * 1983-04-23 1984-10-25 L'Etat Français représenté par le Délégué Général pour l'Armement, Paris Segmentierter treibkaefig
DE4206217C2 (de) * 1992-02-28 1997-08-14 Rheinmetall Ind Ag Unterkalibriges Wuchtgeschoß
DE19944376B4 (de) 1999-09-16 2007-05-16 Rheinmetall Waffe Munition Segmentierter Treibkäfig

Also Published As

Publication number Publication date
DE102004017674A1 (de) 2005-10-27
EP1584887A1 (fr) 2005-10-12
DE502005006631D1 (de) 2009-04-02
ATE423301T1 (de) 2009-03-15
ES2320231T3 (es) 2009-05-20

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