NGHIEN CU'U - TRAO DCI NGHIEN CU'U ANH HUdNG COA MOT SO THONG S6 KiT CAU Di.H UY LU'C XUYEN THEP CUA DAN SUNG XUYEN Du'di C& Kieu LU-U TUYEN RESEARCH EFFECTS OF SOME STRUCTURAL PARAMETERS TO ABILITY STEEL PIERCING OF THE ARMOR PIERCING COMPOSITE RIGID (APCR) ThS Nguyin Due Tiin\ TS Tran Van Doanh^ KS Biii Thi Loc^ 'Tdng cue Ky thuat ^Hpc vien Ky thuat Quan su 'Tdng cue Cdng nghiep Quoc phdng Dan xuyen duoi ca kiiu luu tuyen duac phdt trien nhdm tdng uy luc xuyen thep cua dan tnd vdn ddm bdo duac cdc tinh ndng thudt phong ca bdn tuang tu nhu dan trang bi Uy luc xuye cua dan tdng len su dung vat lieu co mat dp cao hem thep Sic thay doi ndy ddn den dgc tnmg hinh hpc vd khd ndng xuyen thep cua dgn bi dnh hu&ng Dua tren casaddm bdo khd ndng sit du tren VM co trang bi, bdi bdo xdy dung mo hinh tinh todn khdo sdt uy luc xuyen thep cm dan sung xuyen duai ca kieu lim tuyen theo mpt so thong so dgc trung cua dgn ndy Tir khoa: Dgn; Dgn xuyen du&i ca kieu luu tuyen; Xuyen thep; On dinh quay ABSTRACT Armor Piercing Composite Rigid (APCR) are developed to increase the penetration powe of bullets while ensuring basic launch features similar to those same calibers in equipment The penetration force of the bullet increased due to the use of materials with higher density than stee This change leads to effect on the geometry characters and piercing ability of the bullet Based on the ensuring the ability to use weapons on the equipment, the paper will be built a model of computational and powerful survey of steel bullets through the Armor Piercing Composite Rig (APCR) Keywords: Ammunition, Armor Piercing Composite Rigid (APCR), armor piercing, gyroscopic stability ISSN 0866 - 7056 TAP CHi CO KHi VIET NAM, Sd 1+2 nam 2019 www.cokhivietnam.vn NGHIEN CU'U-TRAO D | DAT VAN DE Hien nay, cdng nghe vat lieu phat trign da tang cudng kha nang bao ve cho bd binh cung nhu cac trang thiet bi quan sir quan dpi ciia cac nude tren the gidi Ao giap chdng dan cd miic bao ve III+ tbeo tidu chuSn NIJOlOl 06 cua My (chdng dupe dan 7,62x39mm Idi thep) da trd len phd bien Do vay, viec tang cudng uy luc xuygn cho dan siing la mpt nbu c4u tit ygu phat trien ky thuat trang bi cua quan doi De giai quygt dupe yeu cau nay, cac hudng giai quyet ve uy luc xuyen thep da duoc neu bai bao [4] Tuy nhign, chua cd digu kien thuc nghiem chiing minh nhimg luan giai Ngoai ra, can phai bd sung vao md hinh tinh toan de hoan thien viec danh gia uy luc xuyen thep ciia dan xuyen nhd hem cd kieu luu tuydn d cu ly khac va so sanh vdi dan xuygn ldi thep thdng thudng trang bi NOI DUNG Dan xuygn dudi cd kieu luu tuyen duac thigt kg ban tren siing hien cd thudng cd khdi lupng dau dan nhd han khdi lupng dau dan thdng thudng nen phai dam bao cac dieu kien ca ban: Dieu kien ben ndng va dieu kien dn dinh chuyen ddng cua dau dan trgn dudng bay 2.1 M6 hinh v§tly Cau tao chung cua dan sung xuyen thep cd cau tao co ban nhu hinh Hinh Cdc kich thu&c ca bdn cua ddu dgn vd sa xuyin vdo bdn thep cua dgn xuyen thip: 1) Vd ddu dan; 2) Loi xuyin; 3) Cdc chua loi xuyen; 4) Bdn thep; b) Bi ddy bdn thep l.t Cac gia thiet 2.3 Mo hinh tinh toan - Cac thdng sd tuong d digu kien chuan a Dieu kien ben ndng cua vii hien co: Vat lieu ddng nhat trgn moi chi tidt cua dan Chieu sau xuyen thep ciia dan tinh theo cdng thiic Gia cdp ma [7], bd qua anh hudng cua cdc chiia loi xuydn va vd dau dan So tdc ldn nhat cua dau dan tinh toan theo digu kien bin ndng [2] tren ca sd dan cd sin trang bi vidt theo gia tri tuong ddi cd dang: Ta cd: Vn, V.75 J 0,75 v,0,75 m - IChdi luong diu dan, kg; cp, = 1,03+1,10 thuoc vao loai vii sir dung [5] Cong thiic (1) biSu thi van toe lan nhit ciia d4u dan thoa man dieu kien ben nong thay d6i khdi lugng tuong doi cua dau dan K.d°' Thuc ti, vien dan xuyen thep chi co phJn loi xuyen co khdi lu(;mg mix, kich thuoc d|_, xuyen vao muc tieu, vay, cdng thiic (2) viit theo gia tri tuang ddi: b DiSu Iden 6n dmh dSu dan tren duong bay Bi^u thiic tinh toan dieu kien on dinh cua dan xuyen dudi ca kieu luu tuyen da duac xay dung theo tai lieu [3]: (B T.,+B y.+B,^.T,) _ ^^ (A,vd.y„j+Avc.y,+Avk.y^j ^ ^M-i« (2) i^j^n,.i^,-n, 1,1-0,343H + 0,042.H Trong^d: a - He sd dn dinh quay cua dau dan; Bv vd - Md men quan tinh xich_dao tucmg ddi cua chi tiet theo cd dan, kg/m^; Av vd - Md men quan tinh cue tuong ddi cua chi tidt theo cd dan, kg/m'; r[ - Budc xoan ranh ndng phao, d (cd dan); KM - He sd dac trung cho luc can khdng Ign dau dan [7], kg/m-*; y - Khdi luprng rieng ciia chi tiet, kg/m'; i^^ - He sd hinh dang dan theo dinh luat luc can 1943; i, - He sd hinh dang dan theo dinh luat luc can Si-a-si; n^ - He sd chuyen ddi he sd hinh dang dan theo van tdc dau dan [7] Cac chi sd dudi: ''J' - vd dan;" " - cdc chiia ldi xuyen; "j^" - ldi xuygn Trong dd: v^ Van tdc cham ciia dau dan, (m/s); b - Bd day ban thep Idn nhit bi xuygn thung, dm; d - Co dan, dm; m,^ - Khoi lupng cua loi xuygn, kg; d^^ - Dudng kinh loi xuyen, dm; K - He sd dac trung cho digu kien va cham giiia dau dan va cua ban thep [7]; C^,^ - Khdi lupng tuang ddi ciia Idi xuygn theo co dan, kg/m^; d - Dudng kinh Urong ddi cua loi xuyen theo co dan, d^^ / d Dan Sling tieu diet muc tieu d cu ly gan, dp cao dudng dan nhd, dieu kien tuong lay theo tieu chuan tai mat dat nen cd the coi phuang trinh vi phan xac dinh van tdc ciia dan theo cu Iy x theo tai lieu [8] vidt lai dudi dang gia tri tuong ddi: dv dx ^.10'.F(vJ C^ Khi dd, dao ham van tdc v ciia dan theo ISSN 0866 - 7056 TAP CHi CO KHI VIET NAM, Sd 1+2 nam 2019 ww>v.cokhivietn am.vn NGHIEN CU'U-TRAO D | - Thdng sd khao sat: Kich thudc dudng quang dudng x phu thudc vao ham luc can kinh tuong ddi cua ldi xuyen so vdi cd dan va F(vJ, khdi luong tuang ddi ciia dan theo cd dan Cm va he sd hinh dang i^^ theo dinh luat siic can khdi luong tuang ddi C^ ciia dan khdng 1943 Giai lan luot cac phuang trinh (1), (2), (4), (3), xac dinb duac uy luc xuyen thep cua mpt loai dan xuyen dudi cd kidu luu tuydn trgn CO sd nang lucmg mieng ndng ban Sku lua chpn 2.4 Anh hu-dng m§t so thong so ket can ciia dan xuy@n thoat vo dn dinh quay den uy luc cua nd Pham vi khao sat: d=0,4-0,8; C^= 12000^27000 kg/m' (tuong duong 5,31-11,94.10-^ kg ddi vdi dan 7,62 mm) - Cac kdt qua nhan dupe: Khdi lupng tuong ddi cua dka dan C^ (thda man digu kien dn dinh) tuong iing vdi so tdc v^ thda man dieu kien bdn ndng, dudng kinh loi xuyen d, he sd dn dinh quay cua dan va uy luc xuyen thep 2.4.1 Cdc thong so ddu vao, thong so khdo sdt cua dan d cac cu ly a Cac thdng so dau vao c Dieu kien khao sat - Chpn nang lupng mieng ndng tuang ddi cd gia tri ban dan 7,62mmx54R ruot thep tren siing dai Hen PKMS: C^,, - 9,76.10^ J - Sa tdc v^ duac chpn ldn nhat theo khdi lugng dan thda man dieu kien ben ndng; - Budc xoan ranh ndng: q ^ 31,5 (siing PKMS); - Cac thdng so ciia dau dan [6]: Khdi lupng rieng vd dan: y^^ ^ 7900 kg/m^; Khdi luong rieng ldi xuyen: y,^ = 14700 kg/m^; Khdi luangriengcdc chiia loi xuyen: y^ ^ 2700 kg/m^; Chigu dai miii dau dan: H = 2; - Ban thep muc tigu la thep CT3, he sd K cdng thiic Gia-cdp-da- ma duac xac dinh tli thuc nghiem bdn dan K56 ldi hop kim Cling cd y^ •- 14700 kg/m\ dudng kinh ldi xuyen 0,67.d, khdi lupng ldi xuyen dat 5,25g, sa tdc tai mieng ndng 733 m/s, he sd dn dinh quay dat 0,70 [6] Tinh duac he sd phu hpp Kia 1620 - Uy lire xuyen thep cua dan duac tinh toan trdn co sd thda man digu kien ben ndng va he sd dn dinh quay ciia dan ldn ban 2.4.2 Cdc ket qua vd binh luan Cac tinh toan vdi md hinh toan da xay dung d tren cho ket qua the hien trgn cac hinh 3^6, 000 17000 22000 27000 b Thong so khao sdt Hinh Moi quan he giiia khdi luang tuang doi ISSN 0866 - 7056 TAP CHi CO KHi VIET NAM, Sd 1+2 nam 2019 www.cokhivietnam.vn NGHIEN CU'U-TRAODOI b,„n :; /' / / / / f / / / Cm= 12000 4.0 Cm-15000 ^^^~:-;.t-7 i ,„=!BO00 Cin=21000 3.5 Cin=24000 \ ' Cm=2"000 Cm^lfOOO 3.0 2.5 - •- ""•'" ^^^.s^ C m=;4UU0 Cm=2:ooo d Hinh Moi quan hi giiia uy luc xuyen thep d cu ly 100m vd kich thu&c du&ng kinh phdn tich cifc theo khoi luang tuang ddi cua dgn a>0 Tir thi hinh 6, xem xet d ciing mdt he sd dn dinh quay o ^ 0,6 d cu ly 0-39369.d (0-300m ddi vdi dan 7,62mm): Dau dan cd khdi lupng tucmg ddi C^ nhd se cd so tdc ldn nhung suy giam tdc dp tren dudng bay rat nhanh, dudng cong bieu dien uy luc xuyen thep ciia dan co dp ddc ldn Khdi lupng tuong ddi cua dau dan C^ ldn hon cd dp ddc thap hon cu ly 2,5.I0''.d (khoang 200m ddi vdi dan 7,62mm) uy luc xuygn thep cua dan cd khdi lupng tuong ddi C^ khac chenh lech khdng ldn, d cac cu ly khac cd su phan biet rd rang han ^""^^ Cm=lS00O Hinh Moi quan hi giUa dudng kinh phdn tich cue vd he sd dn dinh quay theo khoi lupng tuang doi cita dan Tren co sd bao dam dieu kien ben ndng, khdi lupng tuong ddi cua dau dan giam din tdi so toe cua dan tang (hinh 3) Tren ciing mdt dudng kinh Idi xuyen tuong ddi , he sd dn dinb quay cua dan bi suy giam tang khdi luang tuang ddi ciia dan (hinh 4) Ci Cling mdt Ididi luong tuong ddi, de tang uy lire xuyen thep, can phai thu nhd kich thudc dudng kinh Idi xuyen (binb 5) Mat khac, he sd on dinh cua cac loai dan xuyen yeu cau kha Idn Do vay, khdi lupng tuang ddi cua dau dan ldn khdng phii hop vdi dan xuygn dudi cd kieu luu tuyen _\^-s.'; >-4^>^^ 10000 20000 30000 Hinh Moi quan he giiia uy luc xuyen thip vd qudng du&ng chuyen dpng X theo khdi luang tuang ddi cua dgn o=0,6 Dan Sling cd tam b i n hieu qua d cu ly 52.10^-78.lO^d (400-600m ddi vdi dan 7,62mm), kgt qua tinh toan cho thay khdi luang tuong ddi C^ cua dau dan nhd khdng mang lai hieu qua vg uy luc xuygn tdt nhit tam ban tang Ign Theo ket qua tren dd thi hinh 5, d cu ly 100m uy luc xuyen thep cua dan cd khdi luong ISSN 0866 - 7056 TAP CHi CO KHi VIET NAM, Sd l + n a m www.cokhivietnam.vn NGHIEN CU'U-TRAO l tuong ddi C^ - 18000 kg/m^ (7,96g ddi vdi dan 7,62mm) uy luc xuyen thep dat 3,6.d ddi vdi muc tieu ban thep CT3, tucmg duong 27 mm, he sd dn dinh quay tinh toan dat 0,73 Dan xuyen ldi thep khdi lugng 9,6g (C^^ = 21697 kg/m^) ban thu nghiem uy luc xuyen dat 16mm d cu ly 100m [1], uy luc xuydn thep cua dan xuyen luu tuyen tang len 68,7% KET LUAN Bai bao da xay dung md hinh ddng dang tinh toan uy luc xuyen thep cua dan xuyen dudi cd kidu luu tuyen thda man digu kien ben ndng, dieu kien dn dinh tren dudng bay tren co sd mpt nang lupng mieng ndng tuong ddi cua dan cd trang bi Tu ket qua tinh toan cho mot nang lupng mieng ndng ddng dang vdi dan 7,62mmx54R ruot thep ban trgn siing dai Uen PKMS ed the thay, cac tbam sd kdt cau C^, d anh hudng rat Idn dgn digu kien dn dinh va uy luc xuyen thep cua dan Ban xuydn luu tuygn sir dung ldi xuygn cd ty trpng Idn ngn sii dung khdi lugng tuong ddi C^ nhd va dudng kinh tuong ddi d - 0,60 -^ 0,75 de dam bao digu kien dn dinh quay va uy lire xuydn thep dugc tdt nhat Ket qua cd thg su dung so sanh uy luc xuygn thep cua cac loai dan xuyen Ihep dn dinh quay cd trang bi va xu hudng thigt ke, cai tien via mdi hien • Ngay nhan bai: 08/01/2019 Ngay phan bien: 11/01/2019 Tai lidu tham khao: [1] Biin bdn kiem tra, nghiem thu dgn xuyin 7.62mm - K56 vd dgn xuyen 7,62mm - K53 sdn xudt logt "0"ndm 2013, t^ha may Z\13, Tdng cue Cong nghiep Quoc phong [2], Tran Van Dinh; Ca s& ly thuyit thiet ke ddu dgn phao, NXB Hpc vien Ky thuat Quan sir, 2013 [3] Tran Van Doanh va Nguyen Diic Tien; Anh hu&ng cua mpt sd thdng sd ket cdu cua dgn xuyen duai ca kiiu luu tuyen vd sung din dn dinh cua nd tren quy dgo Tap chi Co Idii Viet Nam, so 6/2016 [4] Tran Van Doanh, Nguygn Diic Tien va Nguyen Quang Diing; Nghiin CUTA dinh huang phdt trien vd gidi phdp ndng cao uy iuc xuyen cho Sling bp binh theo yeu cdu m&i Tap chi Khoa hpc va Ky thuat, s6 55, 2013 [5] Nguyen Ngoc Du, D6 Van Tho; Thugt phdng cua sungphdo, NXB Hpc vien Ky thuat Quansu, 1976 [6] Bui Thi Loc; Nghien cmt, thiit ki, chi tgo dgn 7,62 - K56xuyen giap (KC.NQ.06.02), Nha may Z113, Tong cue Cong nghiep Quoc phdng, 2015 [7] Nguyen Van Thiiy, Tran Van Dinh va Tran Dinh Thanh; Ca s& thiit ke dan sung bp binh, NXB Hoc vien Ky thuat Quan sir, 2007 [8] A J I ^ M H X p H e B C K H H , BHeiUHHfl SaUHHCTHKa, MocKBa «ManiHHOCTpoeHHe», 1972 ISSN 0866 - 7056 TAP CHi CO KHI VIET NAM, Sd +2 nam 2019 www.cokhivietnam.vn ... nghiem uy luc xuyen dat 16mm d cu ly 100m [1], uy luc xuydn thep cua dan xuyen luu tuyen tang len 68,7% KET LUAN Bai bao da xay dung md hinh ddng dang tinh toan uy luc xuyen thep cua dan xuyen dudi... vay, viec tang cudng uy luc xuyen cho dan siing la mpt nhu cau tat yeu phat trien ky thuat trang bi ciia quan dpi De giai quygt duac yeu cau nay, cac hudng giai quygt ve uy luc xuygn thep da dupe... vay, viec tang cudng uy luc xuygn cho dan siing la mpt nbu c4u tit ygu phat trien ky thuat trang bi cua quan doi De giai quygt dupe yeu cau nay, cac hudng giai quyet ve uy luc xuyen thep da duoc