DE102008029394A1 - Sabertop missile and process for its manufacture - Google Patents

Abstract

The invention relates to a sabot projectile (1) and a method for its production with a subcaliber projectile body (2) and a sabot (3), which has a driving element (4) acting on the rear side of the projectile body (2). 4) subsequent, segmented and substantially cylindrical guide cage (5) and a segmented, in the front region of the guide cage (5) radially inwardly extending and the projectile body (2) holding the support wall (6). In order to ensure a rigid radial guidance of the projectile body (2) when shooting the sabot projectile (1) despite the use of a plastic guide cage (5), the invention proposes the guide cage (5) made of a fiber-reinforced plastic and the support wall (6) a metal, preferably an aluminum alloy, produce and then connect both parts positively and / or non-positively with each other.

Description

The The invention relates to a sabot projectile with a subcaliber projectile body and a sabot, the driving element acting on the rear of the projectile body, a front side of the drive element subsequent, segmented and substantially cylindrical guide cage and a segmented, located in the front area of the guide cage radially inwardly extending and the projectile body retaining wall includes. The invention relates also to a method for producing such a sabot projectile.

Such a sabot projectile is for example from the DE 43 30 417 C2 known. It comprises a two-segment, substantially hollow cylindrical guide cage made of plastic or aluminum, which is integrally connected to the support wall, so that these also consists of either plastic or aluminum.

adversely in this known sabot is, inter alia, that in an aluminum or other metal Guide cage with integrated support wall the dead load of the sabot projectile relatively high is. If, however, the guide cage and the Retaining wall both made of plastic, has in the Practice shown that the front guide area too soft is so that during the pipe pass of the sabot projectile radial deflections of the projectile body occur can destroy the front guide area lead the sabot.

Of the Invention is based on the object, a sabot projectile indicate, despite the use of a plastic existing Guide cage a stiff radial guide of the projectile body when firing the sabot bullet is ensured. Furthermore, a method for producing a Such sabot projectile will be disclosed.

These Task is according to the invention in terms of Sabotage bullet by the features of claim 1 and in terms of the method by the features of the claim 6 solved. Further, particularly advantageous embodiments The invention discloses the subclaims.

The Invention is based essentially on the idea of the guide cage made of a fiber-reinforced plastic and the supporting wall from a metal, preferably an aluminum alloy and then both parts positively and / or non-positively with each other connect to.

by virtue of of the high modulus E of a preferably existing metal support wall this is better able to absorb lateral forces than a corresponding, made of fiber-reinforced plastic Retaining wall. It limits the possible radial path of the projectile body to well below 1 mm. The relative lightweight, made of fiber-reinforced plastic guide cage only needs the existing metal support wall at the axial acceleration of the sabot projectile in to hold a corresponding barrel in the axial position.

When Metal for the retaining wall can be used instead of a suitable one Aluminum alloy also a magnesium alloy or - if the weight does not matter - titanium or Steel used.

When Material for the guide cage is available proven all glass or carbon fiber reinforced polyamide.

The Connection of the supporting wall with the guide cage can be done easily by the fact that the guide cage is sprayed onto the retaining wall. For this purpose, the support wall provided with holes through which then the material is injected through the guide cage, so that the supporting wall in the area of the holes front through this material is back-injected. The back-injected holes can also be used as gate marks for the manufacturing process to be used with.

Further Details and advantages of the invention will become apparent from the following Based on figures explained embodiments. Show it:

1 the perspective view of a sabot projectile according to the invention;

2 a longitudinal section through the in 1 illustrated sabot projectile along the there designated II-II section line and

3 a longitudinal section through the front part of the sabot of in 1 illustrated sabot projectile along the there designated III-III cutting line.

In the 1 and 2 is with 1 a sabot projectile refers to a subcaliber projectile body 2 with bowling and a sabot 3 includes.

The sabot 3 essentially consists of a tail on the projectile body 2 acting multi-part propellant element 4 ( 2 ) made of metal, one on the front side of the drive element 4 subsequent cylindrical guide cage 5 and one in the front area of the guide cage 5 arranged, radially inwardly extending and the projectile body 2 retaining wall 6 together.

The guide cage 5 comprises two half-shell-shaped segments 7 . 8th , by means of a screw connections shown here 9 held together. The detachable screw can z. B. also be replaced by releasable snap connections or non-detachable connections, such as riveted joints, welds, bonds, etc. The segments 7 . 8th are inside with first stiffening ribs 10 provided and consist of a fiber-reinforced plastic, preferably a glass or carbon fiber reinforced polyamide. A front side arranged second stiffening rib 11 extends radially to the projectile body 2 and is based on this, so that the guide cage 5 front centric with respect to the projectile body 2 is stored.

The support wall 6 consists according to the invention of two half-slices 12 . 13 Made of an aluminum alloy that attaches to the guide cage 5 two countersunk holes each 14 . 15 exhibit. In the production of the two segments 7 . 8th of the guide cage 5 By injection molding, the segments become 7 . 8th each to a half disc 12 . 13 the supporting wall 6 molded, the material of the segments 7 . 8th through the holes 14 . 15 the supporting wall 6 passes through, leaving the segments 7 . 8th in the field of Bohrun conditions 14 . 15 be back-injected on the front ( 3 ).

The sabot bullet 1 is in this embodiment within a gun barrel front only on the two half-slices 12 . 13 made of aluminum.

The Of course, the invention is not the above described embodiment limited. So For example, the support wall instead of an aluminum alloy also made of another metal.

1

Sabot projectile

2

projectile body

3

sabot

4

driving element

5

guide cage

6

retaining wall

7, 8th

segments

9

screw

10

first stiffening rib

11

second stiffening rib

12 13

half slices

14 15

holes, countersunk

QUOTES INCLUDE IN THE DESCRIPTION

This list The documents listed by the applicant have been automated generated and is solely for better information recorded by the reader. The list is not part of the German Patent or utility model application. The DPMA takes over no liability for any errors or omissions.

Cited patent literature

• - DE 4330417 C2 [0002]

Claims (6)

Sabot projectile with a subcaliber projectile body ( 2 ) and a sabot ( 3 ), which is on the rear side of the projectile body ( 2 ) acting driving element ( 4 ), a front of the drive element ( 4 ) subsequent, segmented and substantially cylindrical guide cage ( 5 ) and a segmented, in the front area of the guide cage ( 5 ) radially inwardly extending and the projectile body ( 2 ) retaining wall ( 6 ), wherein the guide cage ( 5 ) made of a fiber-reinforced plastic and the supporting wall ( 6 ) consist of a metal. Sabotage bullet according to claim 1, characterized in that the supporting wall ( 6 ) consists of an aluminum alloy, a magnesium alloy, titanium or steel. Sabotage bullet according to claim 1 or 2, characterized in that the guide cage ( 5 ) consists of a glass or carbon fiber reinforced polyamide. Sabotage projectile according to one of claims 1 to 3, characterized in that the guide cage ( 5 ) to the supporting wall ( 6 ) is injected. Sabotage bullet according to one of claims 1 to 4, characterized in that the guide cage ( 5 ) of two half-shell-shaped segments ( 7 . 8th ) and the supporting wall ( 6 ) from two half discs ( 12 . 13 ) consist. Method for producing a sabot projectile according to one of claims 1 to 5, characterized in that for fastening the guide cage ( 5 ) on the supporting wall ( 6 ) the supporting wall ( 6 ) with holes ( 14 . 15 ), and then that the guide cage ( 5 ) to the supporting wall ( 6 ), wherein the material of the guide cage ( 5 ) through the holes ( 14 . 15 ) of the supporting wall ( 6 ) passes through, so that the supporting wall ( 6 ) in the area of the holes ( 14 . 15 ) is back-injected behind the front.