EP3482152A1 - Sabot with bionic structures - Google Patents
Sabot with bionic structuresInfo
- Publication number
- EP3482152A1 EP3482152A1 EP17728842.0A EP17728842A EP3482152A1 EP 3482152 A1 EP3482152 A1 EP 3482152A1 EP 17728842 A EP17728842 A EP 17728842A EP 3482152 A1 EP3482152 A1 EP 3482152A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- sabot
- structures
- bionic
- bionic structures
- manufacturing
- 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.)
- Pending
Links
- 239000011664 nicotinic acid Substances 0.000 title claims abstract description 19
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims description 11
- 239000004033 plastic Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 229910052751 metal Inorganic materials 0.000 claims description 8
- 239000002184 metal Substances 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 6
- 238000010146 3D printing Methods 0.000 claims description 4
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000006260 foam Substances 0.000 description 6
- 238000000149 argon plasma sintering Methods 0.000 description 5
- 239000000835 fiber Substances 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 239000000843 powder Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 239000011230 binding agent Substances 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000012783 reinforcing fiber Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229920000049 Carbon (fiber) Polymers 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 238000003848 UV Light-Curing Methods 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920006231 aramid fiber Polymers 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000004917 carbon fiber Substances 0.000 description 1
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910010293 ceramic material Inorganic materials 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 239000011494 foam glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 239000006262 metallic foam Substances 0.000 description 1
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910000601 superalloy Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
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
- F42B14/06—Sub-calibre projectiles having sabots; Sabots therefor
-
- 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
-
- 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
- F42B14/068—Sabots characterised by the material
Definitions
- the invention is concerned with the production of a sabot of a subcaliber mass projectile in the small caliber, medium caliber and large caliber range.
- the invention sets considerations of a weight-reduced, bionic sabot by, for example, glo- bulitic cavities in the sabot.
- KE kinetic energy ammunition
- the ammunition is usually made of a metallic penetrator (balancing projectile), preferably made of heavy metal high strength and toughness.
- the penetrators have a nail or arrow-like shape. They are smaller in caliber (sub-caliber) than the barrel from which they are fired.
- a sabot, sabot or sabot is needed, which encloses the penetrator and the caliber content generated to the tube.
- the sabot assumes the task of sealing against powder gases during firing down to the weapon barrel. Over projected surfaces of the sabot a force is applied by means of the gas pressure resulting from the burning of the powder, which accelerates the sabot together.
- the task of the sabot is to take the penetrator during the tube passage, apply the acceleration, seal against the gun barrel, to guide the penetrator and release the penetrator trouble-free after leaving the muzzle.
- the sabots are made of plastic, metals or a combination of both.
- a sub-caliber balancing projectile whose sabot consists of a fiber-reinforced material.
- the sabot floor is provided with openings.
- the fiber reinforced material is a carbon fiber reinforced plastic or a carbon fiber reinforced carbon.
- Other reinforcing fibers for plastics may be aramid fibers or polyethylene fibers.
- Reinforcing fibers for metals such as aluminum, magnesium or titanium include Al 2 O 3 - fibers or SiC fibers.
- a sabot for a sub-caliber sabot projectile discloses the DE 29 24 041 C2.
- the material of the sabot is a ceramic or glass, with a bias. Prestressed glass or other ceramic materials with appropriate behavior have a very high mechanical strength.
- the disintegration of the sabot is initiated by a mass that is thrown against the inner wall of the sabot. The mass itself is housed in a cavity.
- a Unterkalibriges balancing projectile with a collapsible bullet guide describes the DE 30 34 471 A1.
- bullet guide is produced as a pressed part of hollow glass balls with plastic binder material or glass binder material.
- foam glass or syntactic foams are mentioned.
- a sabot according to DE 10 2009 049 440 A1 is distinguished by a complete, but at least partial, construction from a material foam.
- the material foam can be a metal foam, such as aluminum foam, zinc foam, foaminale, wherein the foam can be used as a sandwich component with layers of the same or a different material, a reinforced fiber material and or a core of other material.
- the object of the invention is to be able to produce weight-reduced sabot parts with sufficient environmental resistance that can be produced cost-effectively, compared to imported systems, while maintaining a maximum muzzle velocity.
- the invention is based on the idea of producing the sabot or the sabot parts weight-reduced by means of bionic structures, these structures ensuring sufficient stability etc. of the sabot or the sabot parts.
- bionic structures e.g., honeycomb, struts, bubbles, spherical cavities, and combinations thereof.
- Such methods may e.g. the 3D printing process e.g. be made of plastics or laser sintering.
- plastic laser sintering of the sabot or the sabot parts or segments can be made with bionic structures made of plastic.
- Metal laser sintering allows for the manufacture of the sabot or sabot segments with the bionic structures of a metal such as aluminum. The bandwidth ranges from light metal to superalloys. Also excluded from these considerations are the production by means of 3D cocooner, although this method appears more complex.
- the bionic structures are created from a handling spinneret.
- glass fibers are glued to complex structures with simultaneous lamination with UV-curing resin.
- the sabot receives or the sabot segments obtained by the bionic structures the necessary strength and rigidity for the pipe passage with maximum weight reduction.
- the advantage of such methods lies in the definable configurations of the cavities, etc. It is possible to directly influence the size and shape (volume) of the cavities (programming in 3D). Also on the number or quantity and distribution within the sabot or the sabot segments (sabot parts) a direct influence is possible.
- a sabot in which bionic structures are provided, which are created by a 3D manufacturing process defined in size, shape and / or volume and purposefully within the sabot in the manufacture of the sabot or created only. Targeted are the local embedding within the sabot and the number of bionic structures, ie, the local and number embedding within the sabot.
- the single figure shows in sketch form an ammunition 1 with a sabot 2 and a particle 3.
- the sabot 2 encloses the penetrator 2 and can be connected to the penetrator 2 at least in the form-fit region 4.
- the positive connection region 4 may have a thread (not shown in detail).
- the sabot 2 may consist of several segments 2.1, 2.2, which are held together by a sealing and / or guide band (not shown in detail).
- bionic structures 5 shapes such as honeycomb, struts, bubbles, cavities and combinations thereof are defined.
- the cavities 6 can be spherical, angular, etc.
- the sabot 2 or the sabot segments 2.1, 2.2 can be produced in 3D printing or in the SLS process (laser sintering).
- the geometric data of the sabot segments 2.1, 2.2 are available in three dimensions and are stored as layer data.
- a cast model is also produced from the geometric shapes (not shown in detail).
- the sabot segments 2.1, 2.2 are then built up layer by layer in a layer structure. Areas are recessed in the layers so that the bionic structures 5, for example globulitic cavities 6, can be incorporated / incorporated in the sabot segments 2.1, 2.2 in the form, size and volume.
- a layer structure of the sabot segments 2.1, 2.2 takes place in layers without a casting mold. These are the sabot segments 2.1, 2.2 with their bionic structures 5,
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Materials For Medical Uses (AREA)
- Powder Metallurgy (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Catalysts (AREA)
- Nonwoven Fabrics (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016112666.7A DE102016112666A1 (en) | 2016-07-11 | 2016-07-11 | Sabot with bionic structures |
PCT/EP2017/064074 WO2018010900A1 (en) | 2016-07-11 | 2017-06-09 | Sabot with bionic structures |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3482152A1 true EP3482152A1 (en) | 2019-05-15 |
Family
ID=59030950
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17728842.0A Pending EP3482152A1 (en) | 2016-07-11 | 2017-06-09 | Sabot with bionic structures |
Country Status (11)
Country | Link |
---|---|
US (1) | US10969211B2 (en) |
EP (1) | EP3482152A1 (en) |
JP (1) | JP6835945B2 (en) |
KR (1) | KR102209638B1 (en) |
CL (1) | CL2019000075A1 (en) |
DE (1) | DE102016112666A1 (en) |
IL (1) | IL263971B2 (en) |
RU (1) | RU2734805C2 (en) |
SG (1) | SG11201900234XA (en) |
UA (1) | UA126116C2 (en) |
WO (1) | WO2018010900A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2578572B (en) * | 2018-10-30 | 2022-08-17 | Bae Systems Plc | A sabot |
DE102020003059B3 (en) | 2020-05-22 | 2021-10-07 | Smart Material Printing B.V. | Closures with structures that imitate naturally occurring models for vessel openings and processes for their production |
DE102020116589A1 (en) * | 2020-06-24 | 2021-12-30 | Rheinmetall Waffe Munition Gmbh | Penetrator, use of a penetrator and bullet |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4155308A (en) * | 1977-11-02 | 1979-05-22 | The United States Of America As Represented By The Secretary Of The Air Force | Sabot for simulation testing |
DE4034062A1 (en) * | 1990-10-26 | 1992-04-30 | Rheinmetall Gmbh | Longitudinally segmented drive ring for low calibre projectile - has gas pressure forces transferred by drive ring pressure flange to penetrator |
WO1993002333A1 (en) * | 1991-07-17 | 1993-02-04 | Steyr-Daimler-Puch Aktiengesellschaft | Sub-calibre projectile with sabot |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3430572A (en) * | 1966-11-22 | 1969-03-04 | Avco Corp | Disintegrating sabot |
DE2644154A1 (en) | 1976-09-30 | 1982-09-09 | Deutsch-Französisches Forschungsinstitut Saint-Louis, Saint-Louis | FOAM ELEMENTS IN THE STOREY CONSTRUCTION |
DE2924041C2 (en) | 1979-06-15 | 1983-09-08 | Rheinmetall GmbH, 4000 Düsseldorf | Sabot for a sub-caliber sabot |
DE3034471A1 (en) * | 1980-09-13 | 1982-04-29 | Dornier System Gmbh, 7990 Friedrichshafen | BULLET STOCK |
DE3332023A1 (en) | 1983-09-06 | 1985-03-21 | Helmut Dipl.-Phys. 5529 Bauler Nußbaum | DRIVING MIRROR FOR SUB-CALIBRAL BULLETS |
RU2064157C1 (en) * | 1993-05-05 | 1996-07-20 | Иван Иванович Петров | Driving detachable sabot |
EG21731A (en) | 1993-09-24 | 2002-02-27 | Contraves Pyrotec Ag | Releasable sabot for a subcaliber projectile |
DE19625273A1 (en) | 1996-06-25 | 1998-01-15 | Bundesrep Deutschland | Composite sabot for sub calibre munition |
US6609043B1 (en) * | 2000-04-25 | 2003-08-19 | Northrop Grumman Corporation | Method and system for constructing a structural foam part |
JP3882726B2 (en) * | 2002-09-20 | 2007-02-21 | スーパーレジン工業株式会社 | A shell piece of a shell for a shell, a manufacturing method thereof, and a shell for a shell |
US7261042B1 (en) | 2004-07-08 | 2007-08-28 | Lockheed Martins Corporation | Insensitive munition design for shrouded penetrators |
DE102007037700A1 (en) | 2007-08-09 | 2009-02-12 | Rheinmetall Waffe Munition Gmbh | Driving or guiding cage and method for fixing such cages |
DE102009049440A1 (en) | 2009-10-14 | 2011-07-07 | Nitrochemie Aschau GmbH, 84544 | sabot |
US8813651B1 (en) | 2011-12-21 | 2014-08-26 | The United States Of America As Represented By The Secretary Of The Army | Method of making shaped charges and explosively formed projectiles |
WO2013141929A2 (en) | 2011-12-28 | 2013-09-26 | Fritz Randy R | Hollow bullet with internal structure |
DE102012022894A1 (en) * | 2012-11-23 | 2014-05-28 | Gabriele Lisa Trinkel | System for identification, verification and/or authentication of projectile e.g. railgun projectile, has sensor, communication unit, processing unit and power supply or power generation unit which are arranged in housing of projectile |
US9395163B2 (en) * | 2014-01-09 | 2016-07-19 | Randy R. Fritz | Hollow slug and casing |
JP2017531153A (en) | 2014-10-08 | 2017-10-19 | ユニヴァーシティ オブ ワシントン | Baffle ram accelerator |
US9920429B2 (en) * | 2014-12-01 | 2018-03-20 | Raytheon Company | Method for manufacturing polymer-metal composite structural component |
US9851186B2 (en) * | 2015-03-23 | 2017-12-26 | James F. Brown | High spin projectile apparatus for smooth bore barrels |
US10591263B2 (en) * | 2015-03-23 | 2020-03-17 | Brown James F | High spin projectile apparatus comprising components made by additive manufacture |
US10859357B2 (en) * | 2017-06-09 | 2020-12-08 | Simulations, LLC | Sabot, bore rider, and methods of making and using same |
-
2016
- 2016-07-11 DE DE102016112666.7A patent/DE102016112666A1/en active Pending
-
2017
- 2017-06-09 JP JP2019500872A patent/JP6835945B2/en active Active
- 2017-06-09 EP EP17728842.0A patent/EP3482152A1/en active Pending
- 2017-06-09 UA UAA201900544A patent/UA126116C2/en unknown
- 2017-06-09 WO PCT/EP2017/064074 patent/WO2018010900A1/en unknown
- 2017-06-09 RU RU2019100060A patent/RU2734805C2/en active
- 2017-06-09 SG SG11201900234XA patent/SG11201900234XA/en unknown
- 2017-06-09 KR KR1020197003818A patent/KR102209638B1/en active IP Right Grant
-
2018
- 2018-12-26 IL IL263971A patent/IL263971B2/en unknown
-
2019
- 2019-01-10 CL CL2019000075A patent/CL2019000075A1/en unknown
- 2019-01-11 US US16/245,955 patent/US10969211B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4155308A (en) * | 1977-11-02 | 1979-05-22 | The United States Of America As Represented By The Secretary Of The Air Force | Sabot for simulation testing |
DE4034062A1 (en) * | 1990-10-26 | 1992-04-30 | Rheinmetall Gmbh | Longitudinally segmented drive ring for low calibre projectile - has gas pressure forces transferred by drive ring pressure flange to penetrator |
WO1993002333A1 (en) * | 1991-07-17 | 1993-02-04 | Steyr-Daimler-Puch Aktiengesellschaft | Sub-calibre projectile with sabot |
Non-Patent Citations (2)
Title |
---|
EMMELMANN CLAUS ET AL: "Bionic lightweight design by laser additive manufacturing (LAM) for aircraft industry", SPIE ECO-PHOTONICS 2011: SUSTAINABLE DESIGN, MANUFACTURING, AND ENGINEERING WORKFORCE EDUCATION FOR A GREEN FUTURE, SPIE, 1000 20TH ST. BELLINGHAM WA 98225-6705 USA, vol. 8065, no. 1, 13 April 2011 (2011-04-13), pages 1 - 12, XP060009583, DOI: 10.1117/12.898525 * |
See also references of WO2018010900A1 * |
Also Published As
Publication number | Publication date |
---|---|
IL263971B (en) | 2022-10-01 |
CL2019000075A1 (en) | 2019-05-17 |
JP6835945B2 (en) | 2021-02-24 |
KR102209638B1 (en) | 2021-01-29 |
UA126116C2 (en) | 2022-08-17 |
KR20190027379A (en) | 2019-03-14 |
RU2019100060A3 (en) | 2020-07-10 |
DE102016112666A1 (en) | 2018-01-11 |
US10969211B2 (en) | 2021-04-06 |
RU2019100060A (en) | 2020-07-10 |
IL263971A (en) | 2019-01-31 |
US20200025541A1 (en) | 2020-01-23 |
IL263971B2 (en) | 2023-02-01 |
JP2019520545A (en) | 2019-07-18 |
RU2734805C2 (en) | 2020-10-23 |
SG11201900234XA (en) | 2019-02-27 |
WO2018010900A1 (en) | 2018-01-18 |
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