WO2013150095A1 - Projectile d'exercice de gros calibre à empennage stabilisé et son procédé de production - Google Patents

Projectile d'exercice de gros calibre à empennage stabilisé et son procédé de production Download PDF

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Publication number
WO2013150095A1
WO2013150095A1 PCT/EP2013/057095 EP2013057095W WO2013150095A1 WO 2013150095 A1 WO2013150095 A1 WO 2013150095A1 EP 2013057095 W EP2013057095 W EP 2013057095W WO 2013150095 A1 WO2013150095 A1 WO 2013150095A1
Authority
WO
WIPO (PCT)
Prior art keywords
guide
annular groove
projectile
tail body
tubular
Prior art date
Application number
PCT/EP2013/057095
Other languages
German (de)
English (en)
Inventor
Klaus-Dieter Freudenthal
Thomas Heitmann
Michael Vagedes
Original Assignee
Rheinmetall Waffe Munition Gmbh, Patente
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, Patente filed Critical Rheinmetall Waffe Munition Gmbh, Patente
Priority to EP13714638.7A priority Critical patent/EP2834588A1/fr
Publication of WO2013150095A1 publication Critical patent/WO2013150095A1/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B10/00—Means for influencing, e.g. improving, the aerodynamic properties of projectiles or missiles; Arrangements on projectiles or missiles for stabilising, steering, range-reducing, range-increasing or fall-retarding
    • F42B10/02—Stabilising arrangements
    • 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
    • F42B14/02—Driving bands; Rotating bands
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B8/00—Practice or training ammunition
    • F42B8/12—Projectiles or missiles

Definitions

  • the invention relates to a ladder-stabilized full-caliber training projectile which can be fired from a weapon barrel and has a solid head part and a tubular tail body adjoining the head end on the rear side, the training projectile being provided on the intake side with a sealing system.
  • the invention further relates to a method for producing a training projectile according to the invention.
  • Such a full-caliber training projectile is known from the document DE 10 2010 034 333 A1. It is a large caliber, for example, from a tank cannon with the caliber 120 mm shootable training projectile.
  • the projectile casing itself is designed as a tubular fin body in the aforementioned training projectile, so that a separate shank may be omitted with attached fin assembly.
  • an outside is approximately at the rear third of the tubular portion of the tail body arranged known sealing system. This consists essentially of a recessed into the outer surface of the tail body annular groove into which engages an existing plastic sealing ring.
  • DE 35 32 411 C2 deals with a trained as a dummy ammunition hollow charge projectile with caliber-identical stabilizer, which has a front and a rear explosive chamber and which is provided at the end face of the projectile casing with a firing rod.
  • the con nection plate is in this case formed with the firing rod and the rear explosive chamber forming part of the projectile casing as forging and welded to a cylindrical tube made of the same metal as the central part.
  • a support disk is arranged, which prevents the projectile shell from being compressed by the high firing pressure, so that the projectile shell requires only a small wall thickness.
  • DE 7346003 U1 relates to a projectile with stabilized rotation.
  • a control ring is attached to a rear part of the projectile. The engages during firing in the gun barrel twist and gives the projectile a rotation.
  • the body tapers from a maximum diameter immediately before the control ring to the front end of the projectile body.
  • the conical part is provided in the circumferential direction with spaced-apart projections, which sit firmly and extend radially.
  • a sliding guide band is known, wherein in particular a method for providing a KE ammunition, such as subcaliber bullet, with the sliding guide band is shown.
  • the US 4,040,359 A shows a fragile circulating belt consisting of a plastic-Gias mixture. This breaks down due to pressure during the waf- fensmoor.
  • the invention has for its object to provide a full-caliber practice bullet of the type mentioned, the firing resistance is ensured in a cost effective manner. Furthermore, a method for producing such a training projectile will be disclosed.
  • the invention is based essentially on the idea to dispense with a sealing system in the tubular portion of the tail body and form the tail body partially underkalibrig, so that the firing charge gases produced at the launch of the training projectile also act on the outside of the side wall of the tubular tail body and thus the on the Outside of the tubular tail body acting pressure counteracts the acting on the inside of the side wall of the exercise projectile internal pressure.
  • a guide system is provided in particular for reducing an initial donation of the training projectile in the rear region of the tail body, which comprises a guide strip receiving a ring groove of the tail body.
  • the guide band has a plurality of evenly distributed over the circumference of the tail body arranged, web-shaped guide elements, which support the tail body, and thus also the practice projectile, on the inner wall of the corresponding weapon barrel.
  • a sealing system in the region of the massive head portion of the exercise bullet is arranged to avoid an outside bypassing the propellant charge gases on the practice floor within the barrel.
  • the tail body preferably consists of a light metal (usually an Aiuminiumiegtechnik), is preferably used as the material for the guide band plastic, sintered metal or soft iron.
  • the guide band should comprise at least three web-shaped guide elements. The lateral spacing of adjacent web-shaped guide elements can be greater than the width of the respective guide element. The flow area can also be increased in depth.
  • the annular groove and then into the annular groove the guide strip having the web-shaped guide elements is first introduced into the outside of the tubular guide body.
  • a corresponding, provided with guide elements guide tape can be prefabricated and then this pressed into the annular groove of the tail body (shrunk) or the guide tape material is using a corresponding, the contour of the guide elements and the recesses having shape in the Injected annular groove of the tail body.
  • FIG. 1 shows the longitudinal section through an inventive, from a opftei! and a tubular tail body existing Vollkaiiber exercise floor and
  • Fig. 2 is an enlarged cross-section of the tail body of the training projectile shown in Fig. 1 along the section line II-II thereof.
  • FIG. 1 shows a ladder-stabilized solid quake practice projectile which can be fired from a weapon barrel (not shown) (see also DE 10 2010 034 333 A1), which comprises a solid head part 2 and a tubular tail body 3 adjoining the head part 2 at the rear ,
  • the tail body 3 is provided with a guide system 7, which includes a milled into the outer side 5 of the tubular tail body 3, circumferential, groove-shaped recess (annular groove) 8, in which an existing example of a suitable plastic guide strip 9 is arranged.
  • the guide elements 10 of the guide strip 9, which are formed slightly überkaiibrig be compressed during the launch of the exercise projectile 1 and thus provide a play-free leadership in the barrel. In addition, they serve a radial guidance of the corresponding, the practice bullet 1 containing cartridge in their transport packaging or ammunition bunker.
  • Another object of the over-caliber plastic element is to achieve the interface problem, which is that at this position a minimum diameter is required (for example, 120.6 mm with 120 mm cartridges).
  • a sealing system 12 is arranged in the region of the solid head part 2 of the practice projectile 1.
  • a sealing ring 13 made of plastic engages in a circumferential groove-shaped recess (annular groove) 14 in the rear-side area of the head part 2.
  • this sealing system 12 is a conical seal, wherein the width of the annular groove 14 is greater than the width of the sealing ring 13, so that the sealing ring 13 is axially displaceable to the projectile tip at a pressurization by the propellant gases within the annular groove 14. Due to the conical configuration of the groove bottom of the annular groove 14, the axial displacement of the sealing ring 13 also causes a radial widening of the sealing ring 13, so that there is a permanent Lid réelle between the training projectile 1 and the inner wall of the gun barrel.
  • the leader tape material! is injected into the annular groove of the tail body using a corresponding shape having the contour of the guide elements and the recesses.
  • the invention is not limited to the embodiment described above.
  • a suitable sintered metal or soft iron can be used as a guide strip material instead of plastic.
  • the guide strip provided with the guide elements can then in turn be prefabricated and pressed into the annular groove of the tail body (shrunk) or the guide strip material, using a corresponding, the contour of the guide elements and recesses having shape, are poured into the annular groove of the tail body.
  • the guide band can be provided in the circumferential direction with predetermined breaking parts, so that it blown away after leaving the gun barrel of the air forces and the aerodynamics of the training projectile 1 is not adversely affected by the guide band.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Toys (AREA)

Abstract

L'invention concerne un projectile d'exercice (1) de gros calibre comprenant une partie ogive (2) pleine et un corps d'empennage (3) tubulaire dans le prolongement arrière de la partie ogive (2). L'invention vise à assurer de manière économique la résistance au tir de ce projectile. A cet effet, le corps d'empennage (3) est conçu de manière que les gaz de charge propulsive dégagés lors du tir du projectile d'exercice (1) agissent également sur la face externe (5) de la paroi latérale (6) du corps d'empennage (3) tubulaire. A cet effet, un système de guidage (7) est prévu dans la zone arrière du corps d'empennage (3) et comprend une bande de guidage (9) pouvant être logée dans une rainure annulaire (8) du corps d'empennage (3). La bande de guidage (9) présente plusieurs éléments de guidage (10) répartis uniformément sur la circonférence du corps d'empennage (3) et conçus sous forme d'éléments d'écartement, lesdits éléments de guidage appuyant le corps d'empennage (3) contre la paroi interne du canon d'arme correspondant. En outre, pour éviter tout écoulement du gaz de charge propulsive sur la paroi extérieure du projectile d'exercice (1) à l'intérieur du canon d'arme, un système d'étanchéité (12) est disposé dans la zone de la partie ogive (2) pleine du projectile d'exercice (1).
PCT/EP2013/057095 2012-04-05 2013-04-04 Projectile d'exercice de gros calibre à empennage stabilisé et son procédé de production WO2013150095A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13714638.7A EP2834588A1 (fr) 2012-04-05 2013-04-04 Projectile d'exercice de gros calibre à empennage stabilisé et son procédé de production

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201210006892 DE102012006892B3 (de) 2012-04-05 2012-04-05 Leitwerkstabilisiertes Vollkaliber-Übungsgeschoss und Verfahren zu seiner Herstellung
DE102012006892.1 2012-04-05

Publications (1)

Publication Number Publication Date
WO2013150095A1 true WO2013150095A1 (fr) 2013-10-10

Family

ID=47502392

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/057095 WO2013150095A1 (fr) 2012-04-05 2013-04-04 Projectile d'exercice de gros calibre à empennage stabilisé et son procédé de production

Country Status (3)

Country Link
EP (1) EP2834588A1 (fr)
DE (1) DE102012006892B3 (fr)
WO (1) WO2013150095A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2930460A1 (fr) 2014-04-08 2015-10-14 Nexter Munitions Projectile à vol supersonique pour canon à tube lisse
WO2018218292A1 (fr) * 2017-05-30 2018-12-06 Techventure Investments Pty Ltd Projectile à joint unique

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019117496A1 (de) 2019-06-28 2020-12-31 Rheinmetall Waffe Munition Gmbh Geschoss

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB997713A (en) * 1961-06-28 1965-07-07 Ilyana Von Thyssen Bornemisza Improved mortar grenade
US3347492A (en) * 1965-06-14 1967-10-17 Forsvarets Fabriksverk Projectile with a rearwardly directed steering tube
DE7346003U (de) 1974-03-28 Space Research Corp Geschützgeschoß mit stabilisierter Drehung
US4040359A (en) 1976-05-14 1977-08-09 The United States Of America As Represented By The Secretary Of The Army Discarding frangible rotating band
DE3532411C2 (fr) 1985-09-11 1989-08-17 Hoesch Ag, 4600 Dortmund, De
WO1996012927A1 (fr) 1994-10-19 1996-05-02 Bofors Ab Ceinture de forcement glissante
DE102010034333A1 (de) 2010-07-06 2012-01-12 Rheinmetall Waffe Munition Gmbh Vollkaliber-Übungsmunition

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE7346003U (de) 1974-03-28 Space Research Corp Geschützgeschoß mit stabilisierter Drehung
GB997713A (en) * 1961-06-28 1965-07-07 Ilyana Von Thyssen Bornemisza Improved mortar grenade
US3347492A (en) * 1965-06-14 1967-10-17 Forsvarets Fabriksverk Projectile with a rearwardly directed steering tube
US4040359A (en) 1976-05-14 1977-08-09 The United States Of America As Represented By The Secretary Of The Army Discarding frangible rotating band
DE3532411C2 (fr) 1985-09-11 1989-08-17 Hoesch Ag, 4600 Dortmund, De
WO1996012927A1 (fr) 1994-10-19 1996-05-02 Bofors Ab Ceinture de forcement glissante
DE102010034333A1 (de) 2010-07-06 2012-01-12 Rheinmetall Waffe Munition Gmbh Vollkaliber-Übungsmunition

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2930460A1 (fr) 2014-04-08 2015-10-14 Nexter Munitions Projectile à vol supersonique pour canon à tube lisse
WO2018218292A1 (fr) * 2017-05-30 2018-12-06 Techventure Investments Pty Ltd Projectile à joint unique
KR20200023608A (ko) * 2017-05-30 2020-03-05 테크벤쳐 인베스트먼트스 피티와이 엘티디 단일 밀봉형 발사체
US10871359B2 (en) 2017-05-30 2020-12-22 Techventure Investments Pty Ltd Single seal projectile
KR102548318B1 (ko) * 2017-05-30 2023-06-28 테크벤쳐 인베스트먼트스 피티와이 엘티디 단일 밀봉형 발사체

Also Published As

Publication number Publication date
EP2834588A1 (fr) 2015-02-11
DE102012006892B3 (de) 2013-01-24

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