EP2679948B1 - Penetrator mit einer Hohlladung - Google Patents

Penetrator mit einer Hohlladung Download PDF

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Publication number
EP2679948B1
EP2679948B1 EP13002969.7A EP13002969A EP2679948B1 EP 2679948 B1 EP2679948 B1 EP 2679948B1 EP 13002969 A EP13002969 A EP 13002969A EP 2679948 B1 EP2679948 B1 EP 2679948B1
Authority
EP
European Patent Office
Prior art keywords
charge
explosive charge
explosive
penetrator
initiation
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.)
Active
Application number
EP13002969.7A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2679948A2 (de
EP2679948A3 (de
Inventor
Werner Arnold
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.)
TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
Original Assignee
TDW Gesellschaft fuer Verteidigungstechnische Wirksysteme mbH
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.)
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Publication date
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Publication of EP2679948A2 publication Critical patent/EP2679948A2/de
Publication of EP2679948A3 publication Critical patent/EP2679948A3/de
Application granted granted Critical
Publication of EP2679948B1 publication Critical patent/EP2679948B1/de
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Classifications

    • 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
    • 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
    • F42B1/024—Shaped or hollow charges provided with embedded bodies of inert material
    • 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
    • F42B12/10—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 shaped or hollow charge
    • 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
    • F42B12/20—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type
    • F42B12/22—Projectiles, missiles or mines characterised by the warhead, the intended effect, or the material characterised by the warhead or the intended effect of high-explosive type with fragmentation-hull construction
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42B—EXPLOSIVE CHARGES, e.g. FOR BLASTING, FIREWORKS, AMMUNITION
    • F42B3/00—Blasting cartridges, i.e. case and explosive
    • F42B3/22—Elements for controlling or guiding the detonation wave, e.g. tubes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F42—AMMUNITION; BLASTING
    • F42C—AMMUNITION FUZES; ARMING OR SAFETY MEANS THEREFOR
    • F42C19/00—Details of fuzes
    • F42C19/08—Primers; Detonators
    • F42C19/0807—Primers; Detonators characterised by the particular configuration of the transmission channels from the priming energy source to the charge to be ignited, e.g. multiple channels, nozzles, diaphragms or filters

Definitions

  • the invention relates to a penetrator with a hollow charge according to the preamble of the independent claim 1.
  • penetrators have become known in the past. That's how it shows DE 199 17 144 B4 a combination effect system. This combines the previously only available abilities of a shaped charge, a splitter-generating blast charge and a penetrator in a single action system. For this purpose, a hollow charge was integrated into a penetrator.
  • the insert of the shaped charge may collapse.
  • the movable booster charge maintains contact with the shifting explosive charge. This ensures a secure initiation.
  • the forced angle of incidence of the detonation front relative to the insert is unfavorable, which has a significant effect on the performance of the spine formation.
  • the explosive charge consists of at least a partial charge and a deposit, which is disposed within the shell of the penetrator.
  • penetrators need thick metal sheaths to survive the perforation of a hard target. Such metal sheaths tend to detonate the explosive charge asymmetrically ripped open. This can lead to local cracks, from which already discharge explosive swaths emerge before disassembling the shell in adjacent areas. Such asymmetries propagate through the explosive charge to the deposit with the result that the spine also takes place asymmetrically, resulting in a curved spine leads to significant performance losses.
  • the invention is therefore based on the object to optimize the initiation of integrated in a penetrator hollow charge to increase the performance by avoiding the above problems.
  • the ignition device has a booster charge whose explosive charge facing and provided for the initiation cross section just that surface sufficient for the detonative initiation of the subsequent explosive charge that the not intended for the initiation lateral surface of the booster charge with a Damping layer is surrounded, which has at least such a thickness that a spark ignition is reliably avoided and that between the intended for the initiation cross section of the booster charge and the insert of the shaped charge a detonation wave guide is arranged.
  • a transformer plate is arranged between the intended for the initiation cross-section of the booster charge and the detonation waveguide, which divides the explosive charge into a first and a second explosive charge.
  • the first explosive charge may consist of an explosive having a high blast effect and the second explosive charge may contain an explosive of high explosiveness.
  • the first explosive charge arranged adjacent to the ignition device may be mixed with a metal powder which enhances the blast effect, it being possible for the metal powder to consist predominantly or entirely of aluminum powder.
  • the jacket devices for the controlled disassembly of the same order.
  • This can be done, for example, in that the jacket has a notched grid, wherein the notches can be formed symmetrically or asymmetrically, or that in the region of the inside of the shell a holder with a plurality of pellets is arranged, or that in the lateral surface of the explosive charge notches are recessed, which act locally as small hollow or cutting charges on the inside of the shell of the penetrator.
  • the first proposed solution according to the invention relates to the improvement of the initiation and causes a matched to the hollow charge ignition of the explosive charge SP.
  • the explosive charge is initiated both via the lateral surface M of the amplifier charge VL, as well as on the front side F of the amplifier charge VL, wherein the ignition device is aligned in the longitudinal axis of the penetrator.
  • the explosive charge is almost never really exactly symmetrically ignited, because large initiating surfaces do not react uniformly.
  • the detonation front in the amplifier charge VL stretches grazing on its lateral surface and thus has only about half of the initiating pressure against the explosive charge.
  • Fig. 1 exemplified a solution according to the invention for the aforementioned disadvantages of known designs.
  • the ignition device is also arranged here together with the booster charge in the direction of the main axis of the penetrator.
  • the amplifier charge VL is reduced in diameter to the necessary minimum, so that the frontal area F used for initiation is only slightly above the so-called critical diameter, below which an explosive charge column with just this diameter is no longer able to condense.
  • the lateral surface M of the amplifier charge VL is completely surrounded by a damping material D1, so that with a very high probability initiation over the lateral surface is impossible.
  • the initiation of the explosive charge SP thus takes place only approximately punctiform, which is why a symmetrical ignition is achieved.
  • a detonation waveguide DWL known per se is integrated in the explosive charge SP. This prevents the front of the detonation wave can run directly to the insert E. Instead, it gets around the detonation wave handlebar and then passed directly to the funnel-shaped insert E. Thus, in the skilled embodiment of the detonation waveguide DWL, a straightforward initiation of the amplifier charge VL directly towards the tip of the insert E is impossible.
  • FIG. 2 an advantageous extension of the previously described penetrator with hollow charge is shown.
  • an existing explosive fürtragerplatte SPÜ is arranged, covering about the entire cross section of the explosive charge SP and is initiated directly from the amplifier charge VL.
  • the explosive charge this Obertragerplatte SPÜ should have the shortest possible starting distance to detonation.
  • the transmitter plate SPU in turn initiates the front part of the explosive charge SP2 annular over the edge of the detonation wave guide DWL.
  • the explosive charge SP is divided into two parts SP1 and SP2, may have different properties.
  • the front part of the explosive charge SP2 can be designed as a typical charge for accelerating metal deposits and thus for a shaped charge of high power.
  • the rear part of the explosive charge SP1 ideally consists of a typical pressure generating explosive charge with a high blowing effect. For this reason, the admixture of a fire-accelerating metal powder, in particular an aluminum powder in the explosive charge SP1 is recommended. Although this rear part of the explosive charge SP1 does not contribute to the performance of the hollow charge, but still increases the overall performance of the penetrator by the generation of splinters from the metallic shell PM of the penetrator, as well as by corresponding blast performance. Thus, by dividing the explosive charge SP into a front explosive charge SP2 and a rear explosive charge SP1, an optimization of the performance of their tasks is achieved.
  • Typical blast charges such as here the rear explosive charge SP1 usually have a much lower detonation velocity than explosive explosive charges such as the front explosive charge SP2.
  • the detonation fronts in the rear part of the explosive charge reach the jacket PM of the penetrator at a later time than in the front part, where the insert E is subjected to the detonation front.
  • the spiked formation of the hollow charge takes place somewhat earlier than the tearing of the metallic shell PM in the region of the rear explosive charge SP1, which inevitably runs asymmetrically.
  • the aforementioned effect can be further increased by inserting a further damping layer D2 between the transmitter plate and the rear explosive charge SP1.
  • a further damping layer D2 between the transmitter plate and the rear explosive charge SP1.
  • FIG. 4 is shown in dashed lines as the detonation waves develop in the front and in the back of the explosive charge of the penetrator with shaped charge.
  • the chronological sequence can be clearly recognized from the front courses named with the numbers 1 to 5.
  • the front of the detonation wave in the front explosive charge SP2 now almost perpendicular to the outer wall of the insert E, whereby the formation of the spine from the insert E is optimized.
  • the slower propagation of the detonation means that the asymmetrical tearing of the sheath M only takes place when the main part of the sting is already formed. Furthermore, the full blast and splitter performance is delivered at the ideal time after entering the target.
  • an active measure can be used by placing a holder ZH arranged in the area of the jacket M with a plurality of pellets instead of the notched grid. In any case, measures that act in the same way minimize the risk of asymmetry formation.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Physical Vapour Deposition (AREA)
EP13002969.7A 2012-06-25 2013-06-10 Penetrator mit einer Hohlladung Active EP2679948B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201210012409 DE102012012409B4 (de) 2012-06-25 2012-06-25 Penetrator mit einer Hohlladung

Publications (3)

Publication Number Publication Date
EP2679948A2 EP2679948A2 (de) 2014-01-01
EP2679948A3 EP2679948A3 (de) 2017-06-21
EP2679948B1 true EP2679948B1 (de) 2018-10-10

Family

ID=48669743

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13002969.7A Active EP2679948B1 (de) 2012-06-25 2013-06-10 Penetrator mit einer Hohlladung

Country Status (3)

Country Link
EP (1) EP2679948B1 (es)
DE (1) DE102012012409B4 (es)
ES (1) ES2702796T3 (es)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019101762A1 (de) * 2019-01-24 2020-07-30 Rheinmetall Denel Munition (Pty) Ltd. Sprengladungsanordnung einer Rakete mit zwei unterschiedlichen Sprengstoffen

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE866318C (de) * 1941-10-03 1953-02-09 Sageb Sa De Gestion Et D Expl Geschoss mit Hohlladung
DE1571260C3 (de) * 1966-03-16 1973-09-20 Fa. Diehl, 8500 Nuernberg Vorrichtung zum gleichmaßigen, zentrischen Zünden einer rotationssymme tnschen Hohlladung
BE771503A (fr) * 1971-08-19 1972-02-21 Zeebrugge Forges Sa Charge creuse a rotation symetrique et a guidage de l'onde de detonation.
EP0950870B1 (de) 1998-04-18 2003-12-03 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Kombinationsgefechtskopf
US6467416B1 (en) * 2002-01-08 2002-10-22 The United States Of America As Represented By The Secretary Of The Army Combined high-blast/anti-armor warheads
ES2379546T3 (es) * 2002-06-26 2012-04-27 Geke Technologie Gmbh Proyectil o cabeza de combate
DE102007035551B4 (de) * 2007-07-28 2010-04-22 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Stützvorrichtung für eine Sprengladung eines Penetrators
DE202009015942U1 (de) * 2009-11-21 2010-02-25 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zündvorrichtung für die Sprengladung eines Penetrators
DE102010018187B4 (de) 2010-04-26 2012-04-19 TDW Gesellschaft für verteidigungstechnische Wirksysteme mbH Zündvorrichtung für einen Penetrator

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2679948A2 (de) 2014-01-01
DE102012012409A1 (de) 2014-01-23
EP2679948A3 (de) 2017-06-21
DE102012012409B4 (de) 2015-05-13
ES2702796T3 (es) 2019-03-05

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