WO2021164961A1 - Pénétrateur et utilisation d'un pénétrateur - Google Patents

Pénétrateur et utilisation d'un pénétrateur Download PDF

Info

Publication number
WO2021164961A1
WO2021164961A1 PCT/EP2021/050778 EP2021050778W WO2021164961A1 WO 2021164961 A1 WO2021164961 A1 WO 2021164961A1 EP 2021050778 W EP2021050778 W EP 2021050778W WO 2021164961 A1 WO2021164961 A1 WO 2021164961A1
Authority
WO
WIPO (PCT)
Prior art keywords
main core
penetrator
predetermined breaking
breaking point
front part
Prior art date
Application number
PCT/EP2021/050778
Other languages
German (de)
English (en)
Inventor
Stefan Thiesen
Michael Gowin
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
Priority to JP2022549093A priority Critical patent/JP2023513601A/ja
Priority to CA3172762A priority patent/CA3172762A1/fr
Publication of WO2021164961A1 publication Critical patent/WO2021164961A1/fr
Priority to US17/888,211 priority patent/US20220390214A1/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B12/00—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material
    • F42B12/02—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect
    • F42B12/04—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type
    • F42B12/06—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of armour-piercing type with hard or heavy core; Kinetic energy penetrators
    • 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
    • F42B10/04—Stabilising arrangements using fixed fins
    • F42B10/06—Tail fins
    • 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 penetrator for a projectile, in particular a sub-caliber balancing projectile, also called an arrow balancing projectile or KE penetrator, comprising a control unit and a main core.
  • the main core comprises at least a front part and at least a rear part.
  • the tail unit is located at the rear of the penetrator.
  • the invention also relates to a projectile with the penetrator and a sabot, as well as cartridged ammunition comprising such a projectile.
  • the invention also relates to the use of such a penetrator or projectile for combating an armored target with armor, in particular a tank with preferably reactive armor.
  • DE 2234219 C1 describes an armor-piercing projectile with a core of high specific weight arranged in a casing of softer material. Essentially, the entire length of the core is positively and non-positively connected to the shell surrounding it, which prevents the core from bursting when it penetrates the target.
  • DE 40 22 821 A1 discloses a sub-caliber balancing projectile with a large length / diameter ratio which is used to penetrate targets with multiple armor, even when the targets are at large angles of inclination.
  • the projectile consists of a fore core of smaller mass and a rear main core as a cylindrical body.
  • the two cores form one coherent one-piece projectile body.
  • a predetermined breaking point is provided in the area of the tip, which is formed by the fact that the front end of the main core is a truncated cone that tapers towards the front and is rounded in the transition area to the front core.
  • a sub-caliber projectile with a penetrator and a tail unit coaxially surrounding the penetrator over a portion of its length is known from document DE 40 28 409 A1.
  • a portion of the penetrator is conical at the rear.
  • the tail unit is positively connected to the penetrator.
  • the penetrator has a predetermined breaking point in the form of a notch, which ensures that the tail breaks off when a target is hit and the penetration of the residual penetrator is less hindered.
  • a penetrator is known from DE 10 2015 117 018 A1, which has an interface in the front area to which different penetrator tips can be attached.
  • a basic penetrator is created via this geometric interface, which can be provided with different penetrator tips and supplemented to individual KE penetrators. This means that different reactive targets can be reacted to with the help of the different penetrator tips.
  • the base penetrator can also consist of a different material than the different penetrator tips.
  • a strippable tail unit for a full-caliber bullet is known from the unpublished DE 10 2019 117496.1.
  • the tail unit is connected to the projectile via a bayonet lock. It is proposed that the entire tail section with the tail unit be separated from the projectile head. If the projectile hits the target, the tail unit wings of a folding tail unit are folded out. If the tail unit is a rigid tail unit, this is larger in diameter than the projectile diameter. After or with the penetration of the target, the massive tail section is axially separated from the projectile head. The tail section is stuck in the target or follows the warhead later.
  • a newly created interface takes on the task of separating.
  • the interface can be provided between the tail section and the projectile head and is preferably implemented by a lock.
  • the interface can be tied in or integrated into a connection area between the tail unit and the shell of the projectile head.
  • a transmission part can be provided which is accommodated between the shell of the projectile head and a rear part of the tail unit part.
  • the invention is based on the idea of providing a penetrator for a projectile, in particular a sub-caliber balancing projectile, which comprises a tail unit and a main core.
  • the main core comprises at least a front part and at least a rear part.
  • the tail unit is located at the rear of the main core.
  • At least one predetermined breaking point is provided between the at least one front part and the at least one rear part.
  • this predetermined breaking point ensures that the tail unit at the predetermined breaking point together with the rear part of the main core is separated from the front part of the main core of the penetrator when the front part of the main core is penetrated.
  • a projectile comprising such a penetrator or a penetrator further developed as described below and a sabot is provided.
  • a cartridged ammunition comprising such a projectile and a cartridge case, is provided according to the invention.
  • a use of such a penetrator or a penetrator which is further developed as described below is provided for combating an armored target with, in particular, reactive armor, in particular a tank with reactive armor.
  • the predetermined breaking point is designed in areas such that it is mechanically less resilient than the front part and / or the rear part of the main core. This means that the material in the area of the predetermined breaking point (s) has lower strength values or a lower modulus of elasticity than the front part and / or the rear part of the main core.
  • a predetermined breaking point can be generated, for example, by inducing internal stresses and / or by inhomogeneities in the material in the area of the predetermined breaking point.
  • a material can be provided for the predetermined breaking point which has lower strength values or a lower modulus of elasticity than the front part and / or the rear part of the main core.
  • the creation of the predetermined breaking point (s) by machining the penetrator purely by machining so that a notch etc. is created by machining is not intended.
  • the at least one predetermined breaking point ensures that the penetration effect is not reduced by the tail unit.
  • the penetrator hits the pre-target, a simpler penetration is possible, since the remaining front part of the main core without tail unit and rear part of the main core no longer offers any resistance when penetrating and consequently the front part of the main core or the penetrator is less distracted will.
  • the remaining part of the penetrator i.e. the front part of the main core
  • the front part of the main core is less distracted and the terminal ballistic performance in the following main target is significantly increased.
  • the front part of the main core of the penetrator according to the invention can exert a better effect on the main target.
  • the inventive design of the penetrator it is possible to easily attack targets with a particularly reactive armor.
  • the front part of the main core can be optimally adapted to the reactive targets to be combated in order to combat them better.
  • the penetrator is preferably used to fight an armored target, in particular a tank with reactive armor.
  • the predetermined breaking point is set up to allow the rear part of the main core together with the tail unit to break off from the front part of the main core when it hits a target, in particular a pre-target.
  • the length of the front part of the main core is at least 50%, preferably at least 70%, preferably at least 80%, further preferably at least 90% of the length of the main core - viewed from the tip.
  • the predetermined breaking point is produced by primary shaping and / or by reshaping.
  • Such a predetermined breaking point can be generated, for example, by inducing residual stresses or by inhomogeneities in the material.
  • the main core can be formed in one piece such that the at least one front and the at least one rear part of the main core are formed from one piece.
  • the main core has no moving parts such as screw connections.
  • the penetrator according to the invention thus has no moving parts.
  • the weakening of the material in the area of the predetermined breaking point can be achieved, for example, by inducing residual stresses and / or by inhomogeneities in the material.
  • the main core is designed in two parts or in two parts.
  • the rear area or the at least one rear part of the main core can be selected independently of the front area or the at least one front part of the main core.
  • combinations of different materials are also possible for the front part of the hard core and for the rear part of the hard core.
  • a heavier material can be used for the front area of the main core and a lighter material for the rear area of the main core, so that the greatest possible weight is retained in an impulse-effective manner after the break at the predetermined breaking point. This increases the impact on the main target.
  • the predetermined breaking point is a material connection that is made from a material that can withstand less mechanical stress than the main core. This ensures that the predetermined breaking point of the main core is reliably broken through.
  • the penetrator is made of a tungsten heavy metal material, in particular sintered, and the predetermined breaking point has a lower density than the rest of the main core.
  • a main core produced from one material has different material properties in areas and / or in sections, in particular in the area of the predetermined breaking point (s).
  • the main core and the predetermined breaking point can also be made of other heavy metals or other suitable high-density materials, in particular sintered, whoever the.
  • the penetrator is inert.
  • the penetrator thus has no explosive or explosive substance, i.e. the penetrator in this embodiment preferably does not comprise any active media.
  • the main core is preferably solid. “Solid” includes the formation from a sintered material. Alternatively, the penetrator can also be made hollow. This creates the possibility of integrating active media in a special embodiment.
  • the predetermined breaking point can be formed by thermal heat treatment of the main core.
  • the area of the predetermined breaking point can be deliberately weakened by heat treatment.
  • the area of The predetermined breaking point is left out so that only the rest of the main core is made more mechanically resilient in terms of its material properties due to the heat treatment.
  • the front part of the main core and the rear part of the main core each have a thread and the front part and the rear part of the main core can be connected by a mechanically less resilient connecting element to form the predetermined breaking point.
  • the front part of the main core and the rear part of the main core can each have an internal thread and the connecting element has one or two external threads that are matched to it.
  • the front part of the main core and the rear part of the main core each have an external thread and the connecting element has one or two internal threads that are matched to it.
  • the predetermined breaking point has a structural weak point, in particular a notch or a milling. This can increase the effect of the predetermined breaking point, so that the front and rear parts of the main core can be separated from one another even more easily.
  • the predetermined breaking point is arranged inside the cartridge case. This ensures that the predetermined breaking point is not exposed to any external influences.
  • a penetrator for a projectile in particular a sub-caliber impact projectile, comprising a tail unit and a main core with at least one front part and at least one rear part.
  • a tail unit is arranged at the rear of the main core.
  • a predetermined breaking point is formed between the front part and the rear part of the main core, and the material of the predetermined breaking point is designed to be less mechanically resilient than the rest of the main core. It is thereby achieved that after or with the penetration of the target, the massive tail section with the at least one rear part is preferably axially separated from the at least one front part.
  • the rear part or the at least one rear part with tail unit is thus firmly seated in the target or later follows the at least one front part of the main core of the penetrator.
  • FIG. 1 shows a schematic representation of an embodiment according to the invention of a penetrator according to the invention.
  • FIG. 2 shows a schematic sectional illustration of a further embodiment according to the invention of a penetrator according to the invention.
  • FIG. 1 shows a schematic representation of an embodiment according to the invention of a penetrator 10 according to the invention.
  • the penetrator 10 shown in FIG. 1 is a penetrator for a Ge shot 1.
  • This projectile 1 is preferably a sub-caliber impact projectile with a sabot (not shown in detail).
  • the penetrator 10 has a tail unit 3 and a main core 2.
  • the main core 2 comprises at least one front part 21 and at least one rear part 22.
  • the tail unit 3 is arranged on the rear part 22 of the main core 2.
  • the predetermined breaking point 7 is designed to be less mechanically resilient than the rest of the main core 2.
  • the predetermined breaking point 7 is set up to allow the rear part 22 of the main core 10 together with the tail unit 3 to break off from the at least one front part 21 of the main core 2 when it hits a target, in particular a preliminary target.
  • the length L of the at least one front part 21 of the main core 2 is at least 50%, preferably 70%, preferably 80%, further preferably 90% of the length of the main core 2.
  • the predetermined breaking point 7 can be produced, for example, by primary shaping and / or reshaping manufacturing processes.
  • the penetrator 10 shown in Fig. 1 has a main core 2 which is formed in one piece.
  • the predetermined breaking point 7 can, for example, be an integral connection which is formed from a material that is less mechanically resilient than the main core 2.
  • the main core 2 of the penetrator 10 is preferably solid.
  • the penetrator 10 is made of a tungsten heavy metal material, for example. This material can be a sintered material. In order to make the predetermined breaking point 7 less mechanically resilient, in the case of a sintered material it can have a lower density than the rest of the main core 2.
  • the penetrator 10 is preferably an inert penetrator 10.
  • the predetermined breaking point 7 is formed out by a thermal heat treatment of the main core 2.
  • FIG. 2 shows a schematic sectional illustration of a further embodiment according to the invention of a penetrator 10 according to the invention.
  • the embodiment according to FIG. 2 is based on the embodiment according to FIG. 1, only the differences from the embodiment according to FIG. 1 being explained below.
  • the main core 2 of the pentrator 10 according to FIG. 2 is formed in two pieces.
  • the front part 21 of the main core 2 and the rear part 22 of the main core 2 each have a thread and the front part 21 and the rear part 22 of the main core 2 are connected to form the predetermined breaking point 7 by a less mechanically resilient connection element 25.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Aiming, Guidance, Guns With A Light Source, Armor, Camouflage, And Targets (AREA)
  • Toys (AREA)

Abstract

L'invention concerne un pénétrateur (10) pour un projectile (1), en particulier un projectile à énergie cinétique sous-calibré, comprenant un empennage (3) et un noyau principal (2) pourvu d'une partie (21) avant et d'une partie arrière (22), l'empennage (3) étant disposé sur la partie arrière (22) du noyau principal (2). Un point de rupture prédéterminé (7) est placé entre la partie avant (21) et la partie arrière (22) du noyau principal (2), le matériau de ce point de rupture prédéterminé (7) présentant une résistance mécanique inférieure à celle du reste du noyau principal (2).
PCT/EP2021/050778 2020-02-18 2021-01-15 Pénétrateur et utilisation d'un pénétrateur WO2021164961A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2022549093A JP2023513601A (ja) 2020-02-18 2021-01-15 侵徹体および侵徹体の使用
CA3172762A CA3172762A1 (fr) 2020-02-18 2021-01-15 Penetrateur et utilisation d'un penetrateur
US17/888,211 US20220390214A1 (en) 2020-02-18 2022-08-15 Penetrator and use of a penetrator

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020104217.5A DE102020104217A1 (de) 2020-02-18 2020-02-18 Penetrator und Verwendung eines Penetrators
DE102020104217.5 2022-02-18

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/888,211 Continuation US20220390214A1 (en) 2020-02-18 2022-08-15 Penetrator and use of a penetrator

Publications (1)

Publication Number Publication Date
WO2021164961A1 true WO2021164961A1 (fr) 2021-08-26

Family

ID=74187302

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/050778 WO2021164961A1 (fr) 2020-02-18 2021-01-15 Pénétrateur et utilisation d'un pénétrateur

Country Status (5)

Country Link
US (1) US20220390214A1 (fr)
JP (1) JP2023513601A (fr)
CA (1) CA3172762A1 (fr)
DE (1) DE102020104217A1 (fr)
WO (1) WO2021164961A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102020116589A1 (de) 2020-06-24 2021-12-30 Rheinmetall Waffe Munition Gmbh Penetrator, Verwendung eines Penetrators und Geschoss
DE102020120747A1 (de) 2020-08-06 2022-02-10 Rheinmetall Waffe Munition Gmbh Penetrator, Verwendung eines Penetrators und Geschoss

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2234219C1 (de) 1972-07-12 1985-10-31 Rheinmetall GmbH, 4000 Düsseldorf Panzerbrechendes Geschoß
DE3843796A1 (de) * 1988-12-24 1990-07-05 Rheinmetall Gmbh Geschoss mit fluegelleitwerk
DE4022821A1 (de) 1990-07-18 1992-01-23 Rheinmetall Gmbh Unterkalibriges wuchtgeschoss
DE4028409A1 (de) 1990-09-07 1992-03-12 Rheinmetall Gmbh Unterkalibriges geschoss
DE4141560A1 (de) * 1991-12-17 1993-06-24 Rheinmetall Gmbh Wuchtgeschoss
DE19855534A1 (de) * 1998-12-02 2000-06-15 Rheinmetall W & M Gmbh Leitwerkstabilisiertes Geschoß
DE102015117018A1 (de) 2015-10-06 2017-04-06 Rheinmetall Waffe Munition Gmbh Penetrator sowie unterkalibriges Geschoss
DE102019117496A1 (de) 2019-06-28 2020-12-31 Rheinmetall Waffe Munition Gmbh Geschoss

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3517125A1 (de) 1985-05-11 1986-11-13 Rheinmetall GmbH, 4000 Düsseldorf Unterkalibriges geschoss
DE4012154A1 (de) * 1990-04-14 1991-10-17 Rheinmetall Gmbh Unterkalibriges geschoss mit treibkaefig
US5385101A (en) * 1993-04-30 1995-01-31 Olin Corporation Hunting bullet with reinforced core
CH691785A5 (de) 1996-07-30 2001-10-15 Schweizerische Unternehmung Fu Verbund-Pfeilgeschoss, insbesondere für die Panzerabwehr.
US6182574B1 (en) * 1999-05-17 2001-02-06 Gregory J. Giannoni Bullet
DE102006025330A1 (de) 2006-05-31 2007-12-06 WEIHRAUCH, Günter Geschoss, Wirkkörper oder Gefechtskopf zur Bekämpfung massiver, strukturierter und flächenhafter Ziele
US7455015B2 (en) * 2006-10-19 2008-11-25 Xtek Limited Special purpose small arms ammunition
US11313654B2 (en) * 2010-11-10 2022-04-26 True Velocity Ip Holdings, Llc Polymer ammunition having a projectile made by metal injection molding
US11408717B2 (en) * 2020-04-29 2022-08-09 Barnes Bullets, Llc Low drag, high density core projectile
US11953302B2 (en) * 2021-09-24 2024-04-09 David Murchison Cartridge case and projectile

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2234219C1 (de) 1972-07-12 1985-10-31 Rheinmetall GmbH, 4000 Düsseldorf Panzerbrechendes Geschoß
DE3843796A1 (de) * 1988-12-24 1990-07-05 Rheinmetall Gmbh Geschoss mit fluegelleitwerk
DE4022821A1 (de) 1990-07-18 1992-01-23 Rheinmetall Gmbh Unterkalibriges wuchtgeschoss
DE4028409A1 (de) 1990-09-07 1992-03-12 Rheinmetall Gmbh Unterkalibriges geschoss
DE4141560A1 (de) * 1991-12-17 1993-06-24 Rheinmetall Gmbh Wuchtgeschoss
DE19855534A1 (de) * 1998-12-02 2000-06-15 Rheinmetall W & M Gmbh Leitwerkstabilisiertes Geschoß
DE102015117018A1 (de) 2015-10-06 2017-04-06 Rheinmetall Waffe Munition Gmbh Penetrator sowie unterkalibriges Geschoss
DE102019117496A1 (de) 2019-06-28 2020-12-31 Rheinmetall Waffe Munition Gmbh Geschoss

Also Published As

Publication number Publication date
DE102020104217A1 (de) 2021-08-19
JP2023513601A (ja) 2023-03-31
CA3172762A1 (fr) 2021-08-26
US20220390214A1 (en) 2022-12-08

Similar Documents

Publication Publication Date Title
DE19700349C2 (de) Geschoß oder Gefechtskopf zur Bekämpfung gepanzerter Ziele
EP1502074B1 (fr) Projectile a decomposition partielle et a deformation a point d'impact identique et procede de manufacture d'un tel projectile
DE2234219C1 (de) Panzerbrechendes Geschoß
WO2006086902A1 (fr) Projectile
EP0113833B1 (fr) Projectile à effet explosif et incendiaire
EP4038339A1 (fr) Pénétrateur, utilisation d'un pénétrateur et projectile
WO2021164961A1 (fr) Pénétrateur et utilisation d'un pénétrateur
EP3601938B1 (fr) Projectile, en particulier dans le domaine des moyens calibres
DE3037560A1 (de) Panzerbrechendes geschoss
DE3932952A1 (de) Wuchtgeschoss
EP3742106B1 (fr) Pénétrateur, utilisation d'un pénétrateur et projectile
EP3507565B1 (fr) Projectile comprenant un penetrateur
DE3617415C2 (de) Unterkalibriges Treibspiegelgeschoß
DE3111725A1 (de) Zuenderloses ringfluegelgeschoss
EP0149703A2 (fr) Projectile anti-char
DE102004035385A1 (de) Teilzerlegungsgeschoss mit massivem Kern und Kern aus gepresstem Pulver
DE102011011478A1 (de) Zerlegegeschoss
EP1656533B1 (fr) Projectile a desagregation partielle comprenant un noyau massif et un noyau en poudre comprimee
WO2005073664A1 (fr) Projectile ke universel destine notamment a des munitions de moyen calibre
EP4193116A1 (fr) Pénétrateur, utilisation d'un pénétrateur et projectile
EP3034990B1 (fr) Projectile
WO2005017443A1 (fr) Projectile a desagregation partielle a double noyau
DE4023482A1 (de) Unterkalibriges wuchtgeschoss
DE1728121C3 (fr)
EP4172553A2 (fr) Pénétrateur, utilisation d'un pénétrateur et projectile

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 21700742

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2022549093

Country of ref document: JP

Kind code of ref document: A

ENP Entry into the national phase

Ref document number: 3172762

Country of ref document: CA

122 Ep: pct application non-entry in european phase

Ref document number: 21700742

Country of ref document: EP

Kind code of ref document: A1