Amunisi tank NATO 120×570mm (4,7 inci), juga dikenal sebagai 120×570mmR, adalah kartrid meriam tank semi mudah terbakar standar NATO (STANAG 4385) yang umum digunakan oleh meriam smoothbore 120mm, menggantikan kartrid 105×617mmR yang sebelumnya digunakan. dalam senjata tank berstandar NATO.
Sejarah
Kartrid 120×570 R awalnya ditujukan untuk meriam smoothbore Rh-120 Jerman, tetapi perjanjian interoperabilitas ditandatangani antara Jerman Barat dan Prancis pada bulan April 1979, diikuti pada bulan September 1981 dengan proyek untuk memasang meriam smoothbore M256 120mm pada M1A1 Abrams masa depan. tank menjadikannya standar NATO.[1][2][3]
Karakteristik
Amunisi 120x570mm adalah amunisi satu bagian dengan wadah kartrid semi-mudah terbakar. Ini menggabungkan kotak rintisan logam pendek dengan cincin penyegel elastomer yang memungkinkan penggunaan sungsang tipe baji geser normal dan pada saat yang sama secara signifikan mengurangi berat peluru. Dengan demikian, amunisi APFSDS Rheinmetall 120mm memiliki massa 19,8kg, yang sedikit lebih besar dari massa 18kg amunisi APFSDS 105mm pada umumnya dengan wadah kartrid logam tradisional.
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Ada berbagai cara untuk mengukur nilai penetrasi APFSDS. NATO menggunakan 50% (Artinya 50% cangkang harus menembus pelat), sedangkan standar Soviet/Rusia lebih tinggi (80% harus menembus pelat).
Penamaan
Asal
Desainer & produser
Tahun
Panjang kartrid (mm)
Panjang sub-proyektil (mm)
Dimensi penetrator (⌀ mm × mm)
Rasio L/D (khusus sub-proyektil / penetrator)
Bahan & berat penetrator (kg)
Berat subproyektil dengan sabot / tanpa sabot (kg)
First service APFSDS ammunition used for the M256 gun on the M1A1 Abrams. Actual average diameter is around 24.2mm, 27mm is the max diameter of the buttress threads.
Developed by Alliant Techsystems, NWM de Kruithoorn of the Netherlands for the penetrator and Chamberlain Manufacturing Company of the USA who provided the sabots, fins and projectile assembly facility.
Features an advanced-design tungsten penetrator. In 1995, the firm began development of an enhanced version of the M1080 which became available in 1999.[28]
Feature the same penetrator as the DM43 but use a French propellant, later redesignated as 120 OFLE F1A. Late production, upgraded models are known under the 120 OFLE F1B and 120 OFLE F1B+ designations.
>600mm (LoS at 60° obliquity) at 2000m[45][46] or 650mm at 2000m[47]
Penetrators are manufactured by Cyclic Heat-Treatment and Double-Cycle Sintering process. This causes a phenomenon similar to the self-sharpening effect of the depleted uranium penetrator.[48][49]
Development in Germany continued after the Swiss purchase, the German DM53 round includes a minor geometric modification and the replacement of the tracer element with an incendiary cartridge to add behind-armour effect. The DM53A1 version differs from the DM53 by its SCDB propellant firstly introduced with the DM63.
Based on the DM53, it features a Temperature Independent Propulsion System (TIPS) utilizing the SCDB technology. Those modifications improve the accuracy through a wide operational temperatures ensuring safe operation extreme climate zones, and minimizing the erosion of the barrel. The DM63A1 is a 2014 version of the DM63 designed to be compatible with all 120mm smoothbore guns without modifications.
A Japanese APFSDS round only dedicated to Type 10 MBT. Although this is a NATO-standard round, it can only be used with the Type 10 Cannon due to the increased load and resulting increased pressure when fired.[63]
Not to be confused with the older KE-T from Alliant Techsystems, the KET features a lightweight composite sabot, consistent performance across full temperature range and improved defeat capability against heavy explosive reactive armor.
The DM73 reuse the same penetrator of the DM53 but achieves an 8%[79] uplift in performance regarding the combat range[80] through the use of a more powerful propellant. The DM73 requires the high-pressure L55A1 gun and cannot be used in either L44 and L55 gun systems.
The KE2020Neo forecasted increase in performances should reach 20% compared to current APFSDS ammunition thanks to the use of a lighter sabot and a more energetic propellant, the latter is allowed by the raised chamber pressures of the improved Rh-120 L55A1 gun.[81]
High Explosive Anti-Tank (HEAT)
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DM12 fitted with a fragmentation sleeve. Produced under licence by the US as M830 with exception of the fuze and the explosive Produced under licence by Japan as JM12A1
It is a 2nd generation South Korean HEAT-MP-T developed for K2 Black Panther and has a built-in direction finding proximity fuze sensor used in the K236 40mm MMFA (Multi-mode Fused Ammunition).[86]
↑Ogorkiewicz, Richard M. (1 April 1991). Technology of Tanks (Edisi Jane's Information Group). London. hlm.76. ISBN978-0710605955. Pemeliharaan CS1: Lokasi tanpa penerbit (link)
12345678Security Management Institute (25 May 2018). "화기별·탄종별 사격장 안전기준 정립 연구". Republic of Korea Army Headquarters. Diarsipkan dari asli tanggal 14 October 2021. Diakses tanggal 14 October 2021. p. 118
↑"Korea Defense Products Guide". Korea Defense Industry Trade Support Center. 13 December 2019. Diarsipkan dari asli tanggal 26 March 2022. Diakses tanggal 26 March 2022. p. 46
12"K274N / K276 / K279 APFSDS탄". Sheldon's Military. 7 November 2019. Diarsipkan dari asli tanggal 26 August 2022. Diakses tanggal 26 August 2022.
12"K2PL and K2M". Steel Beasts. 2 March 2021. Diarsipkan dari asli tanggal 9 July 2021. Diakses tanggal 9 July 2021.
12Jane's Ammunition Handbook 1999-2000. Janes Information Group. December 1999. hlm.660. ISBN978-0710618993.
↑Ferrard, Stéphane (1992). Le Système Leclerc (dalam bahasa French). Editions Bosquet. Pemeliharaan CS1: Bahasa yang tidak diketahui (link)
↑Barrillot, Bruno (October 2000). Les munitions antichar à l'uranium appauvri de Giat Industries(PDF) (dalam bahasa French). Lyon: Observatoire des armes nucléaires françaises. hlm.16. Diakses tanggal 3 December 2022. Pemeliharaan CS1: Bahasa yang tidak diketahui (link)
↑General Dynamics Ordnance and Tactical Systems (2003). "Patent US6662726B1". patents.google.com. Diarsipkan dari versi aslinya tanggal 24 October 2020.
↑"kinetic energy ammunition". defencetechnologyreview.partica.online. Defence Technology Review. Diarsipkan dari versi aslinya tanggal 8 June 2021. Diakses tanggal 9 June 2021.
12"120mm M830A1 HEAT-MP-T"(PDF). fbcinc.com. Northrop Grumman. Diarsipkan(PDF) dari versi aslinya tanggal 19 February 2021. Diakses tanggal 24 December 2020.
12AckDog (31 December 2021). "K1A3 개량논란 & K2 수출형 전차개발". ADBC. Diarsipkan dari asli tanggal 14 August 2023. Diakses tanggal 14 August 2023.
↑"press release"(PDF). rheinmetall-defence.com. Rheinmetall Defence. Diarsipkan(PDF) dari versi aslinya tanggal 12 November 2020. Diakses tanggal 25 December 2020.