EP1348930A1 - Driving band on a projectile - Google Patents

Driving band on a projectile Download PDF

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Publication number
EP1348930A1
EP1348930A1 EP03002495A EP03002495A EP1348930A1 EP 1348930 A1 EP1348930 A1 EP 1348930A1 EP 03002495 A EP03002495 A EP 03002495A EP 03002495 A EP03002495 A EP 03002495A EP 1348930 A1 EP1348930 A1 EP 1348930A1
Authority
EP
European Patent Office
Prior art keywords
guide band
projectile body
guide
band
projectile
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.)
Granted
Application number
EP03002495A
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German (de)
French (fr)
Other versions
EP1348930B1 (en
Inventor
Stefan Dr. Thiesen
Dieter Jungbluth
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 W&M 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 W&M GmbH filed Critical Rheinmetall W&M GmbH
Publication of EP1348930A1 publication Critical patent/EP1348930A1/en
Application granted granted Critical
Publication of EP1348930B1 publication Critical patent/EP1348930B1/en
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
    • F42B14/02—Driving bands; Rotating bands

Definitions

  • the invention relates to a projectile body with a groove-shaped recess in which a guide belt is arranged.
  • the invention has for its object a projectile body with a wide guide band specify which does not destroy the pipe passage of the projectile body and does not lead to any significant copper plating of the weapon barrel.
  • the invention is based on the idea that the guide band consists of two partial guide bands to assemble, the relatively narrow first partial guide tape facing the floor consists of copper or a copper alloy and the sealing of the high pressure on the tailgate acting propellant gases takes over.
  • the Width of the first part of the guide belt selected such that a significant copper plating does not occur.
  • the second, much wider partial guide tape which is the actual one Supporting the projectile body to the gun barrel essentially consists of Plastic and includes at least one cavity to view the high on the Adequate surface pressure at the passage of the projectile body through the guide band is sufficient To have deformation reserves.
  • the second guide belt has sufficient stability
  • one is the Metal sheet support facing the bottom of the recess in the projectile is provided, which is non-positively connected to the plastic body, preferably by injection molding is.
  • the cavity of the second guide belt can thereby be easily be realized that the metal sheet support in the region of the cavity by bending deformation a corresponding curved toward the outer surface of the guide belt Has area on which plastic is sprayed on the outside. That is at the same time also the geometry and location of the cavity on simple and inexpensive Way feasible.
  • the material for the sheet metal support is easily deformable soft iron, which the Withstands pressure when spraying the guide belt, proven to be advantageous. But there are other metal alloys are permitted, those with the projectile body and the copper guide band are compatible (voltage series).
  • the projectile body of a wing-stabilized armored projectile for firing is listed with 1 made of smooth-tube cannons, which has a groove-shaped recess 2 (Fig.2) is provided for a guide belt 3.
  • the guide band 3 consists of two in Direction of the longitudinal axis 4 of the projectile body 1 part guide bands arranged one behind the other 5 and 6.
  • the relatively narrow first partial guide belt 5 facing the floor 7 exists made of copper or a copper alloy.
  • the second part guide belt 6 comprises a plastic body 8 and the bottom of the groove 9 of the recess 2 of the projectile body 1 facing sheet metal support 10, with which the plastic body 8 is non-positively connected by injection molding. Moreover has the second partial guide band 6 to the bottom 9 of the recess 2 of the Projectile body 1 open cavity 11, which by the appropriate shape the sheet metal support 10 is generated in this area.
  • the metal sheet support 10 of the second partial guide belt is positioned 6 so laterally over the plastic body 8 that the first guide band 5th is also arranged on the sheet metal support 10 and connected to this in a force-locking manner can be.
  • the invention is of course not based on the embodiment described above limited. So instead of just one cavity, several cavities can be in the second part of the guide band. Furthermore, at least one of the two Part guide bands can also be provided with pressure relief grooves, such as, for example can also be disclosed in the publication DE 198 18 411 A1 mentioned at the beginning.
  • the projectile body according to the invention can also be a spin-stabilized one Acting artillery shell.

Abstract

A projectile comprises a slot (2) which contains a guide band (3). The band consists of two part band sections (5,6). The part band near the base (7) of the projectile comprises copper or a copper alloy. The second part band section has a plastic member (8) connected to a metal support (10). The second part band has an open hollow chamber (1).

Description

Die Erfindung betrifft einen Geschoßkörper mit einer nutenförmigen Ausnehmung, in der ein Führungsband angeordnet ist.The invention relates to a projectile body with a groove-shaped recess in which a guide belt is arranged.

Bei großkalibrigen Panzergeschossen müssen aufgrund vorgegebener technischer Anforderungen häufig relativ breite Führungsbänder aus Kunststoff oder Kupfer verwendet werden. Es hat sich allerdings gezeigt, daß breite Führungsbänder aus Kunststoff aufgrund des hohen Flächendruckes beim Rohrdurchgang des jeweiligen Geschoßkörpers zerstört werden und daher ihre bestimmungsgemäße Funktion nicht erfüllen können. Insbesondere erfolgt bei zerstörten Führungsbändern keine ausreichende Abdichtung gegen die heckseitig auf den Geschoßkörper wirkenden Treibladungsgase, so daß diese in dem Waffenrohr an dem Geschoßkörper vorbeiströmen können.Large-caliber armored projectiles must meet the specified technical requirements relatively wide plastic or copper guide bands are often used. However, it has been shown that wide plastic guide bands due to the high surface pressure at the tube passage of the respective projectile body can be destroyed and therefore cannot fulfill their intended function. In particular If the guide bands are destroyed, there is no adequate sealing against the rear side propellant gases acting on the projectile body, so that these in the gun barrel can flow past the projectile body.

Bei Verwendung breiter Führungsbänder (d.h. Führungsbänder mit einer Breite ≥ 30 mm) aus Kupfer oder einer Kupferlegierung ergibt sich zwar in der Regel eine zuverlässige heckseitige Abdichtung, doch kommt es bei Verwendung dieser Materialien häufig zu einer unerwünschten Verkupferung der inneren Oberfläche des jeweiligen Waffenrohres. Während für schmale Kupferbänder (d.h. für Kupferbänder mit einer Breite < 15 mm) Entkupferungsmaßnahmen bekannt sind, trifft dieses für breitere Führungsbänder nach Kenntnis der Anmelderin nicht zu. Vielmehr müßte dieses erst durch aufwendige Versuche ermittelt werden.When using wide guide tapes (i.e. guide tapes with a width ≥ 30 mm) copper or a copper alloy generally results in a reliable one rear sealing, but often occurs when using these materials unwanted copper plating of the inner surface of the respective gun barrel. Decoupling measures are used for narrow copper strips (i.e. for copper strips with a width <15 mm) are known, this applies to wider guide tapes after knowledge not to the applicant. Rather, this would only have to be determined by complex experiments become.

Aus der DE 198 18 411 A1 ist ein Geschoßkörper mit einer nutenförmigen Ausnehmung für ein Führungsband bekannt, welches aus mindestens zwei in Richtung der Längsachse des Geschosses hintereinander angeordneten Teilführungsbändern besteht. Dabei besteht das erste dem Geschoßboden zugewandte Teilführungsband aus Weicheisen und das zweite Teilführungsband aus Kupfer. Einen Hinweis, wie die vorstehend erwähnten Probleme bei breiten Kunststoff- oder Kupferführungsbändern gelöst werden könnten, offenbart diese Anmeldung nicht.DE 198 18 411 A1 describes a projectile body with a groove-shaped recess known for a guide belt, which consists of at least two in the direction of the longitudinal axis of the floor there are partial guide bands arranged one behind the other. There is the first partial guide belt made of soft iron facing the floor and the second copper guide belt. A note like the problems mentioned above could be solved with wide plastic or copper guide tapes disclosed this registration not.

Der Erfindung liegt die Aufgabe zugrunde, einen Geschoßkörper mit einem breiten Führungsband anzugeben, welches bei dem Rohrdurchgang des Geschoßkörpers nicht zerstört wird und zu keiner wesentlichen Verkupferung des Waffenrohres führt.The invention has for its object a projectile body with a wide guide band specify which does not destroy the pipe passage of the projectile body and does not lead to any significant copper plating of the weapon barrel.

Diese Aufgabe wird erfindungsgemäß durch die Merkmale des Anspruchs 1 gelöst. Weitere, besonders vorteilhafte Ausgestaltungen der Erfindung offenbaren die Unteransprüche.This object is achieved according to the invention by the features of claim 1. Further, particularly advantageous embodiments of the invention disclose the subclaims.

Die Erfindung beruht auf dem Gedanken, das Führungsband aus zwei Teilführungsbändern zusammenzusetzen, wobei das dem Geschoßboden zugewandte, relativ schmale erste Teilführungsband aus Kupfer oder einer Kupferlegierung besteht und die Abdichtung der mit hohem Druck auf das Geschoßheck wirkenden Treibladungsgase übernimmt. Dabei ist die Breite des ersten Teilführungsbandes derart gewählt, daß eine nennenswerte Verkupferung nicht auftritt. Das zweite, wesentlich breitere Teilführungsband, welches die eigentliche Abstützung des Geschoßkörpers zum Waffenrohr übernimmt, besteht im wesentlichen aus Kunststoff und umfaßt mindestens einen Hohlraum, um im Hinblick auf den hohen auf das Führungsband wirkenden Flächendruck beim Rohrdurchgang des Geschoßkörpers ausreichende Verformungsreserven zu besitzen.The invention is based on the idea that the guide band consists of two partial guide bands to assemble, the relatively narrow first partial guide tape facing the floor consists of copper or a copper alloy and the sealing of the high pressure on the tailgate acting propellant gases takes over. Here is the Width of the first part of the guide belt selected such that a significant copper plating does not occur. The second, much wider partial guide tape, which is the actual one Supporting the projectile body to the gun barrel essentially consists of Plastic and includes at least one cavity to view the high on the Adequate surface pressure at the passage of the projectile body through the guide band is sufficient To have deformation reserves.

Damit das zweite Teilführungsband eine ausreichende Stabilität besitzt, ist eine dem Nutengrund der Ausnehmung des Geschosses zugewandte Metallblechauflage vorgesehen, die mit dem Kunststoffkörper -vorzugsweise durch Spritzgießen- kraftschlüssig verbunden ist. Dabei kann der Hohlraum des zweiten Teilführungsbandes auf einfache Weise dadurch realisiert werden, daß die Metallblechauflage im Bereich des Hohlraumes durch Biegeverformung einen entsprechenden zur äußeren Führungsbandoberfläche hin gerichteten gewölbten Bereich aufweist, auf den außenseitig Kunststoff aufgespritzt wird. Damit ist zugleich auch die Geometrie und die Lage des Hohlraumes auf einfache und kostengünstige Weise realisierbar.So that the second guide belt has sufficient stability, one is the Metal sheet support facing the bottom of the recess in the projectile is provided, which is non-positively connected to the plastic body, preferably by injection molding is. The cavity of the second guide belt can thereby be easily be realized that the metal sheet support in the region of the cavity by bending deformation a corresponding curved toward the outer surface of the guide belt Has area on which plastic is sprayed on the outside. That is at the same time also the geometry and location of the cavity on simple and inexpensive Way feasible.

Um beide Teilführungsbänder als Einheit in die Ausnehmung des Geschoßkörpers einbringen zu können, hat es sich als vorteilhaft erwiesen, die Metallblechauflage des zweiten Teilführungsbandes derart auszugestalten, daß sie seitlich über den Kunststoffkörper hervorsteht, so daß das erste Führungsband ebenfalls auf der Blechauflage befestigt werden kann.To insert both part guide bands as a unit in the recess of the projectile body To be able to, it has proven to be advantageous to the sheet metal support of the second To design the partial guide tape in such a way that it protrudes laterally over the plastic body, so that the first guide band can also be attached to the sheet support can.

Als Material für die Metallblechauflage hat sich leicht verformbares Weicheisen, das dem Druck beim Spritzen des Führungsbandes standhält, als vorteilhaft erwiesen. Es sind aber auch andere Metall-Legierungen zulässig, die mit dem Geschoßkörper und dem Kupfer-Führungsband verträglich sind (Spannungsreihe).The material for the sheet metal support is easily deformable soft iron, which the Withstands pressure when spraying the guide belt, proven to be advantageous. But there are other metal alloys are permitted, those with the projectile body and the copper guide band are compatible (voltage series).

Weitere Einzelheiten und Vorteile der Erfindung ergeben sich aus dem folgenden anhand von Figuren erläuterten Ausführungsbeispiel. Es zeigen:

  • Fig.1 eine teilweise im Schnitt dargestellte Seitenansicht eines erfindungsgemäßen Geschoßkörpers und
  • Fig.2 eine vergrößerte Darstellung des in Fig. 1 mit II bezeichneten Ausschnittes.
    • Further details and advantages of the invention result from the following exemplary embodiment explained with reference to figures. Show it:
  • 1 shows a side view, partially in section, of a projectile body according to the invention and
  • 2 shows an enlarged view of the section designated II in FIG. 1.

    • In Fig.1 list mit 1 der Geschoßkörper eines flügelstabilisierten Panzergeschosses zum Verschießen aus Glattrohrkanonen bezeichnet, welcher mit einer nutenförmigen Ausnehmung 2 (Fig.2) für ein Führungsband 3 versehen ist. Das Führungsband 3 besteht aus zwei in Richtung der Längsachse 4 des Geschoßkörpers 1 hintereinander angeordneten Teilführungsbändern 5 und 6.In FIG. 1, the projectile body of a wing-stabilized armored projectile for firing is listed with 1 made of smooth-tube cannons, which has a groove-shaped recess 2 (Fig.2) is provided for a guide belt 3. The guide band 3 consists of two in Direction of the longitudinal axis 4 of the projectile body 1 part guide bands arranged one behind the other 5 and 6.

    Das dem Geschoßboden 7 zugewandte, relativ schmale erste Teilführungsband 5 besteht aus Kupfer oder einer Kupferlegierung.The relatively narrow first partial guide belt 5 facing the floor 7 exists made of copper or a copper alloy.

    Das zweite Teilführungsband 6 umfaßt einen Kunststoffkörper 8 und eine dem Nutengrund 9 der Ausnehmung 2 des Geschoßkörpers 1 zugewandte Metallblechauflage 10, mit welcher der Kunststoffkörper 8 durch spritz-gießen kraftschlüssig verbunden ist. Außerdem besitzt das zweite Teilführungsband 6 einen zum Nutengrund 9 der Ausnehmung 2 des Geschoßkörpers 1 hin offenen Hohlraum 11, welcher durch die entsprechende Formgebung der Metallblechauflage 10 in diesem Bereich erzeugt wird.The second part guide belt 6 comprises a plastic body 8 and the bottom of the groove 9 of the recess 2 of the projectile body 1 facing sheet metal support 10, with which the plastic body 8 is non-positively connected by injection molding. Moreover has the second partial guide band 6 to the bottom 9 of the recess 2 of the Projectile body 1 open cavity 11, which by the appropriate shape the sheet metal support 10 is generated in this area.

    Wie Fig.2 zu entnehmen ist, steht die Metallblechauflage 10 des zweiten Teilführungsbandes 6 derart seitlich über den Kunststoffkörper 8 hervor, daß das erste Führungsband 5 ebenfalls auf der Blechauflage 10 angeordnet ist und mit dieser kraftschlüssig verbunden sein kann.As can be seen in FIG. 2, the metal sheet support 10 of the second partial guide belt is positioned 6 so laterally over the plastic body 8 that the first guide band 5th is also arranged on the sheet metal support 10 and connected to this in a force-locking manner can be.

    Die Erfindung ist selbstverständlich nicht auf das vorstehend beschriebene Ausführungsbeispiel beschränkt. So können statt nur eines Hohlraumes auch mehrere Hohlräume in dem zweiten Teilführungsband vorgesehen werden. Ferner kann mindestens eines der beiden Teilführungsbänder auch mit Druckentlastungsnuten versehen sein, wie sie beispielsweise auch in der eingangs genannten Druckschrift DE 198 18 411 A1 offenbart werden.The invention is of course not based on the embodiment described above limited. So instead of just one cavity, several cavities can be in the second part of the guide band. Furthermore, at least one of the two Part guide bands can also be provided with pressure relief grooves, such as, for example can also be disclosed in the publication DE 198 18 411 A1 mentioned at the beginning.

    Bei dem erfindungsgemäßen Geschoßkörper kann es sich ferner auch um ein drallstabilisiertes Artilleriegeschoß handeln. The projectile body according to the invention can also be a spin-stabilized one Acting artillery shell.

    BezugszeichenlisteLIST OF REFERENCE NUMBERS

    11
    Geschoßkörperbullet body
    22
    Ausnehmungrecess
    33
    Führungsbandguide band
    44
    Längsachselongitudinal axis
    55
    erstes Teilführungsbandfirst partial guide tape
    66
    zweites Teilführungsbandsecond partial guide tape
    77
    Geschoßbodenprojectile base
    88th
    KunststoffkörperPlastic body
    99
    Nutengrundgroove base
    1010
    Metallblechauflage, BlechauflageSheet metal support, sheet support
    1111
    Hohlraumcavity

    Claims (5)

    Geschoßkörper mit einer nutenförmigen Ausnehmung (2), in der ein Führungsband (3) angeordnet ist, mit den Merkmalen: a) das Führungsband (3) besteht aus mindestens zwei in Richtung der Längsachse (4) des Geschoßkörpers (1) hintereinander angeordneten Teilführungsbändern (5, 6); b) das dem Geschoßboden (7) zugewandte erste Teilführungsband (5) besteht aus Kupfer oder einer Kupferlegierung und weist eine Länge auf, die kleiner ist als die Länge des sich vorderseitig an das erste Teilführungsband (5) anschließende zweite Teilführungsband (6); c) das zweite Teilführungsband (6) umfaßt einen Kunststoffkörper (8) und eine dem Nutengrund (9) der Ausnehmung (2) des Geschoßkörpers (1) zugewandte Metallblechauflage (10), die mit dem Kunststoffkörper (8) kraftschlüssig verbunden ist; d) das zweite Teilführungsband (6) enthält mindestens einen zum Nutengrund (9) der Ausnehmung (2) des Geschoßkörpers (1) hin offenen Hohlraum (11). Projectile body with a groove-shaped recess (2), in which a guide band (3) is arranged, with the features: a) the guide band (3) consists of at least two partial guide bands (5, 6) arranged one behind the other in the direction of the longitudinal axis (4) of the projectile body (1); b) the first partial guide band (5) facing the floor (7) consists of copper or a copper alloy and has a length which is less than the length of the second partial guide band (6) which adjoins the first partial guide band (5) on the front side; c) the second partial guide band (6) comprises a plastic body (8) and a sheet metal support (10) facing the groove base (9) of the recess (2) of the projectile body (1), which is non-positively connected to the plastic body (8); d) the second partial guide band (6) contains at least one cavity (11) which is open towards the groove base (9) of the recess (2) of the projectile body (1). Geschoßkörper nach Anspruch 1, dadurch gekennzeichnet, daß die Metallblechauflage (10) des zweiten Teilführungsbandes (6) seitlich über den Kunststoffkörper (8) hervorsteht, so daß das erste Führungsband (5) ebenfalls auf der Metallblechauflage (10) angeordnet ist. Projectile body according to claim 1, characterized in that the metal sheet support (10) of the second partial guide band (6) protrudes laterally beyond the plastic body (8), so that the first guide band (5) is also arranged on the metal sheet support (10). Geschoßkörper nach Anspruch 2, dadurch gekennzeichnet, daß das erste Teilführungsband (5) mit der Metallblechauflage (10) kraftschlüssig verbunden ist.Projectile body according to claim 2, characterized in that the first partial guide band (5) is non-positively connected to the sheet metal support (10). Geschoßkörper nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß die Metallblechauflage (10) aus verformbarem Weicheisen besteht.Projectile body according to one of claims 1 to 3, characterized in that the sheet metal support (10) consists of deformable soft iron. Geschoßkörper nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, daß das Führungsband (3) eine Breite ≥ 30 mm und das erste Teilführungsband (5) eine Breite < 15 mm aufweist.Projectile body according to one of claims 1 to 4, characterized in that the guide band (3) has a width ≥ 30 mm and the first partial guide band (5) has a width <15 mm.
    EP03002495A 2002-03-26 2003-02-06 Driving band on a projectile Expired - Lifetime EP1348930B1 (en)

    Applications Claiming Priority (2)

    Application Number Priority Date Filing Date Title
    DE10213466 2002-03-26
    DE10213466A DE10213466A1 (en) 2002-03-26 2002-03-26 bullet body

    Publications (2)

    Publication Number Publication Date
    EP1348930A1 true EP1348930A1 (en) 2003-10-01
    EP1348930B1 EP1348930B1 (en) 2007-04-04

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    EP03002495A Expired - Lifetime EP1348930B1 (en) 2002-03-26 2003-02-06 Driving band on a projectile

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    US (1) US6776102B2 (en)
    EP (1) EP1348930B1 (en)
    DE (2) DE10213466A1 (en)
    ES (1) ES2282530T3 (en)

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    US8286558B2 (en) * 2010-04-22 2012-10-16 Liberty Ammunition, Inc. Thermoset polymer guide band for projectiles
    US8943974B1 (en) * 2012-12-19 2015-02-03 The United States Of America As Represented By The Secretary Of The Army Wall breaching fragmentation projectile
    RU2526721C1 (en) * 2013-04-09 2014-08-27 Открытое акционерное общество "Конструкторское бюро приборостроения им. академика А.Г. Шипунова" Artillery round
    US9157716B1 (en) * 2014-09-29 2015-10-13 The United States Of America As Represented By The Secretary Of The Army Shot start ring for projectile
    US10345086B1 (en) * 2017-12-18 2019-07-09 The United States Of America As Represented By The Secretary Of The Army MOUT projectile with sabot integrated shot start
    RU2688507C1 (en) * 2018-05-29 2019-05-22 Акционерное общество "Конструкторское бюро приборостроения им. академика А.Г. Шипунова" Artillery projectile
    RU192404U1 (en) * 2018-08-13 2019-09-16 Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" Artillery shell
    RU192402U1 (en) * 2018-08-13 2019-09-16 Федеральное государственное автономное образовательное учреждение высшего образования "Уральский федеральный университет имени первого Президента России Б.Н. Ельцина" ARTILLERY PROBLEM WITH STABILIZATION DEVICE FOR SMOOTH GUN

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    US20040020399A1 (en) 2004-02-05
    EP1348930B1 (en) 2007-04-04
    US6776102B2 (en) 2004-08-17
    DE10213466A1 (en) 2003-10-09
    ES2282530T3 (en) 2007-10-16
    DE50306945D1 (en) 2007-05-16

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