Itekhnoloji yoKhuselo--Ufundo loMfuniselo lokukwazi ukungqina iimbumbulu ze-Kevlar, zobunzima obahlukeneyo kunye nenani leeLeya, ezine-9 mm iiProjekthi

2.1.Ijeli yeBallistic

Ijeli ye-ballistic yenziwe nge-gelatin engavuthwanga.Ubuninzi kunye nokuhambelana kwejeli kufuneka kube yinto efanayo naleyo isetyenziswe yi-Federal Bureau of Investigation (FBI).Ukuphumeza ukungaguquguquki okufanayo, imiyalelo enikwe kwiNgcaciso.[30] ilandelwe kwaye iye yavavanywa ngokuchasene nemigangatho echazwe kwiNgcaciso.[31].

Iikomityi ezisi-8 (250ml) zomgubo wegelatin engagajwanga (malunga ne-1.25 kg) ixutywe ne-8 yeelitha zamanzi (inxalenye enye yegelatin kwiindawo ezi-4 zamanzi) de wonke umgubo unyibilike.Emva kokuba isisombululo sigalelwe kwizikhongozeli (izikhongozeli ze-2 × 5 L zisetyenziselwa umxube ongentla), i-5 yehla yeoli efunekayo (i-oyile ye-cinnamon igqabile) igalelwe isisombululo kwaye ixutywe ngobumnene kuyo.Isizathu seoli efunekayo kukuvumela ukuba iibhubhu kwisisombululo sokuchithwa, kunye nokunika i-gel ye-ballistic iphunga eliphuculweyo.Isisombululo sibekwe kwimigqomo efakwe efrijini.Ijeli ye-ballistic yayilungele ukusetyenziswa 36 h emva kokuba yenziwe kwaye emva koko isongelwe kwi-cellophane.Ividiyo ebonisa iinkcukacha zokwenza ijeli ye-ballistic ifumanekahttps://www.youtube.com/watch?v=0nLWqJauFEw.

Uxinaniso lwejeli yebhola libalwe njenge-996 km/m3(99.6% yoxinaniso lwamanzi).Umyinge wokuxinana kwegazi lomntu, amafutha kunye nezihlunu [32], okukukomelela kwenyama yomntu, yi-1004 kg/m3.Umahluko we-0.8% kwimixinano ithathwa njengeyamkelekileyo kwijeli ye-ballistic ukuphindaphinda inyama yomzimba womntu.

2.2.Kevlar iisampulu

Ubunzima obuthathu belaphu leKevlar busetyenziswe kwiimvavanyo, ezizezi, 160 GSM, 200 GSM kunye ne400 GSM.Kuba i-Kevlar inokusetyenziswa njengemathiriyeli elukiweyo, awona mandla aphezulu ezinto eziphathekayo anokusetyenziswa kwi-0-90 yokuqhelaniswa.Iisampulu zapakishwa ngolungelelwaniso lwe- -45/+45 (quasi-isotropic) olufunxa amandla angakumbi phezu kwempembelelo kune-0-90 yokuqhelaniswa ebekwe omnye komnye [33].Iisampulu ezisetyenzisiweyo kwiimvavanyo zenziwa kwii-multiples of 3 layers apho isampuli nganye yayibekwe ngokulandelelana kwe-90 / ± 45/90.Xa iisampulu ezimbini okanye ezintathu zibekwe phezu komnye, kwenziwa ukuba umaleko wokugqibela wesampulu enye ibekwe kwi-45 ° ukuya kwinqanaba elilandelayo lesampuli elandelayo.

Amaphepha e-Kevlar ahlulwe kwaye anqunywe kwi-A4 ubukhulu bamaphepha ukuze alungiselele ukuba adibaniswe kunye nokusetyenziswa kwe-epoxy resin kunye ne-hardener.Iisampulu zayekwa ukuba zome.Iisampulu zasikwa emva kokuba i-resin imisiwe kwaye ibotshelelwe enye kwenye kwaye yabekwa kwindawo yovavanyo oluza kwenziwa.

Uvavanyo lweBallistic lwaqhutywa kusetyenziswa iindidi ezimbini ezahlukeneyo zembumbulu, ezizezi, ibhatyi yentsimbi epheleleyo (FMJ) kunye nebhatyi ehollow point (JHP) yomgangatho we-9 mm Parabellum (P okanye iPara ngokufutshane).Indlela esetyenziselwa ukuvavanya iisampulu ichazwe ngokulandelayo:

• 1)

• Umpu wechronograph wamiselwa ukulinganisa isantya seembumbulu.I-chronograph ibekwe kwi-2 m ukusuka emlonyeni wemipu ukukhusela umlilo we-muzzle ukuze unike ukufundwa okungachanekanga.

• 2)

• Uvavanyo olusisiseko lwenziwa ukufumanisa isantya sembumbulu ngqo kwijeli yebhola.I-equation yamandla ekinetic
  E=(1/2)mv2

  yayisetyenziselwa ukumisela amandla kunye nomgama wokungena kwijeli ye-ballistic.

• 3)

• IKevlariisampulu zaye zabekwa phambi kwejeli ye-ballistic kwaye oku kwabekwa kwi-1 m kude nechronograph.Isizathu somgama we-1 m kukuphindaphinda imeko embi kakhulu apho umntu okanye into idutyulwe kumgama osondeleyo.

• 4)

• Isampulu yadutyulwa ngeprojekti ehamba ngechronograph ukumisela isantya sayo sokuqala.Emva koko, isampuli ingene kwaye i-projectile ifakwe kwi-gel ye-ballistic.Izantya zovavanyo zisetyenziselwe ukufumana iisantya esiphakathiukufunda okusetyenziselwe ukuhlaziya amaxabiso kwinyathelo lesi-2.

• 5)

• Umgama wokungena kwijeli ye-ballistic ulinganiswe kwaye urekhodwe.

• 6)

• Inyathelo lesi-2 laphindwa kuhlobo ngalunye lwezixhobo ezisetyenziswa kuvavanyo.Isinyathelo sesi-3 ukuya kwisinyathelo sesi-5 saphindwa kwisampuli nganye yeKevlar.Uvavanyo oluneembumbulu ezithile luphinda luphindwe ukuba iprojekti ayizange ihambe ngokuthe tye ngaphakathi kwejeli ye-ballistic, okanye ukuba ingene kwisampuli ye-Kevlar kwindawo ethathwa njengengekho isandi.

Ngeesampulu zomaleko ezi-3, i-9 mm Parabellum FMJ projectiles ihambe kancinci kancinci xa kuthelekiswa netyala elingena Kevlar.Iiprojectiles zahamba phambili xa kuthelekiswa nemeko yeKevlar.I-9 mm Parabellum projectile (inombolo yesi-4) ayizange iphazamise kakhulu, kodwa ibhatyi yobhedu yaqala ukukrazula iprojekti.

Iimvavanyo eziye zaqhutywa nge-6 umaleko we-160 GSM Kevlar ibonise ukuba i-9 mm Parabellum hollow point projectiles yaya phambili xa kuthelekiswa nokungabikho kweemvavanyo zokungena kwe-Kevlar ezinenombolo ye-4 yeprojekthi ehamba phantse umgama ofanayo nalowo weprojekthi ye-FMJ.

Ngoluhlu lwe-9 ye-160 GSM Kevlar, imigama ehambelanayo ehanjwe yi-projectiles kwi-gel ibonise ukuba iinombolo ze-projectile 1, 3 kunye ne-4 zaya phambili emva kokuba zidlule kwii-9 ze-160 GSM Kevlar, xa kuthelekiswa neeprojectiles ezidutyulwe kwi-ballistic. ijeli (akukho Kevlar).

Iimvavanyo eziqhutywe nge-12 layers ye-160 GSM Kevlar zibonisa ukuba zonke iiprojekthi zibonisa ukuhla kokunciphisa ubunzulu bokungena xa kuthelekiswa nemigangatho ye-9.

Njengoko kubonakala kwiUmzobo 3, ubunzulu bokungena kweeprojectiles buguquguquka ngobunzulu njengoko inani leeleya likhula, kodwa ukuhla kubonwa ukusuka kwi-9 ukuya kwi-12 yemigangatho kuzo zonke iimeko.Kwaphawulwa ukuba i-hollow point projectiles yangena kwiileyile ze-Kevlar kwaye kwinkqubo indawo evulekileyo yayivaliwe nge-Kevlar material.Nje ukuba ezi projekthi zifikelele kwijeli ye-ballistic, zenza ngendlela efanayo neprojekthi ye-FMJ.Ngenxa yesizathu esikhankanywe ngasentla kunye neesampuli ze-Kevlar ezisetyenzisiweyo, i-projectiles yangena ngakumbi kwi-gel ye-ballistic xa kuthelekiswa neemvavanyo ezenziwe ngaphandle kwe-Kevlar.Kuphela kube kanye iileya ezaneleyo ze-Kevlar zangenwa ukuze zifunxe amandla aneleyo, apho iprojekti ibonise iimpawu zokuncipha kokungena kwijeli ye-ballistic.Olu phawu lwabonwa kwezinye iimvavanyo, kunye nobunzima obahlukeneyo uKevlar njengoko kubonisiwe kweli phepha.

3.4.200 GSMKevlar

Iimvavanyo ze-GSM Kevlar ze-200 zenziwa ngeesampuli ze-3, 6, 9, 12 kunye ne-15.Ekubeni i-200 ye-GSM Kevlar iqhele ukusetyenziswa kwiivesti ze-bulletproof, kwagqitywa ukuba kwenziwe iimvavanyo kunye ne-15 layers.Iziphumo zokungena kwijeli ye-ballistic ziboniswe kwiUmzobo 4.

Iimvavanyo eziqhutywe nge-3 layers ye-200 GSM Kevlar ibonisa ukuba i-9 mm Parabellum FMJ projectiles yahamba nge-gel ye-ballistic kunye nemigama abahamba ngayo xa kuthelekiswa ne-no Kevlar case ayizange iyancipha.I-9 mm Parabellum hollow point projectiles yaphuma njengoko bekulindelekile, kunye ne-9 mm Parabellum projectile number 4 yayinebhatyi yobhedu efakwe kwijeli yebhola, ukanti iprojekti ekhokelayo yaqhubeka kwaye yema njengoko irekhodiweUmzobo 4.

Ngeeleya ezi-6 ze-200 GSM Kevlar, kwaphawulwa ukuba umgama wokungena we-projectile 1 kwijeli ye-ballistic yehla ngelixa i-projectiles 2, i-3 kunye ne-4 iqhubela phambili kwijeli ye-ballistic xa kuthelekiswa ne-no Kevlar case.

Iimvavanyo eziqhutywe nge-9 layers ze-200 GSM Kevlar zibonisa ukuba inombolo ye-projectile ye-2 ihambe ngakumbi kwi-gel ye-ballistic xa kuthelekiswa ne-Kevlar case.Kwaphawulwa ukuba i-projectiles 3 kunye ne-4 i-Kevlar ivalwe kwindawo engumngxuma eyayiyithintele ekuveliseni amakhowa.I-Projectiles yesi-3 kunye ne-4 yahamba phambili kwijeli ye-ballistic emva kokungena kwiileya ezili-9 ze-200 GSM Kevlar xa kuthelekiswa ne-no Kevlar case.

Ngeemvavanyo eziqhutywe nge-12 layers ye-200 GSM Kevlar, kwabonwa ukuba i-9 mm Parabellum FMJ projectiles, inombolo ye-1 kunye ne-2, yayinentloko epholileyo emva kokungena.Inombolo ye-Projectile yesi-4, nangona yayingenamakhowa kakhulu kunye nendawo enomngxuma evalwe nge-Kevlar, yacandwa ngakumbi entloko.Inombolo ye-Projectile ye-3 ayizange i-mushroom ininzi, kodwa kwakukho ubungqina bokuba incam yentloko ikhubazekile.

Iimvavanyo eziqhutywe nge-15 layers ze-200 GSM Kevlar, zineeprojekthi zombini ze-FMJ ezibonisa iimpawu ze-mushroom.Iinombolo ze-Projectile ze-1 kunye ne-2 zibonisa ukuhla kobunzulu bokungena kwi-gel ye-ballistic xa kuthelekiswa ne-Kevlar case.Kwimeko yangoku, i-projectiles 3 kunye ne-4 yamiswa yi-Kevlar layers.

Njengoko kubonakala kwiUmzobo 4, xa ii-avareji phakathi kwamanqaku zicatshangelwa, kubonakala ngathi kubonisa i-gradient yomgca wokunciphisa ukungena kwijeli ye-ballistic ukuba yenzeke, emva kokuba i-peak malunga ne-6 layers ye-200 GSM Kevlar ifikelelwe.I-200 GSM Kevlar ibonisa ukusebenza kakuhle xa kuthelekiswa ne-160 GSM Kevlar, njengoko kulindelwe.Kwiileya ezili-15 ze-200 GSM Kevlar, iiprojectiles inombolo 3 kunye ne-4 ziye zamiswa, kodwa kungekhona i-projectiles inombolo 1 kunye ne-2. 200 GSM Kevlar, ngokulandelanayo.

• Iimvavanyo ze-GSM Kevlar ezingama-400 zenziwa kusetyenziswa iisampulu ze-3, 6, 9 kunye ne-12, njengoko kubonisiwe kwiziphumo ezibonisweIsazobe sesi-5.

4. Uhlalutyo kunye nengxoxo yeziphumo

Isazobe 6ibonisa ukuthelekiswa kobunzulu bokungena kweeprojectiles ezahlukeneyo kwii-3 layers ze-160 GSM, 200 GSM kunye ne-400 GSM Kevlar.Njengoko kubonakala kwiIsazobe 6, kunye ne-9 mm Parabellum hollow point projectiles, i-3 layers ye-200 GSM Kevlar yamisa i-projectiles kumgama omfutshane.Iingqimba ezi-3 ze-400 GSM kunye ne-160 GSM Kevlar zamisa i-projectiles 1 kunye ne-2 kakhulu, ngokulandelanayo.

Isazobe 7,Isazobe 9bonisa ukuba akukho mpawu zifanayo ezineprojekti ezahlukeneyo zamanani amabini awohlukeneyo amaleya e-GSM efanayo.Umzekelo yi-12 yemigangatho ye-200 ye-GSM Kevlar kunye ne-6 ye-400 ye-GSM Kevlar.Zombini ezi sampuli zine-2400 GSM Kevlar nganye.Xa kuthelekiswa ezi sampuli zimbini ezahlukeneyo, aziwunciphisi umgama weeprojectiles ngesixa esifanayo.Ukulungelelaniswa okufanayo kunye nezigqibo kunokubonwa kwi-3 yemigangatho ye-400 GSM Kevlar kunye ne-6 ye-200 ye-GSM Kevlar.Nganye kwezi meko zineesampuli ze-GSM ze-1200, kodwa azinazo iimpawu ezifanayo kwiziphumo.

I-avareji iigophe zeeprojectiles 1 kunye no-2, eziboniswe kwiUmzobo 4, bonisa ukuba i-projectiles iya kumisa kunye ne-6 kunye ne-7 yokuphindaphinda kwe-3 yamacandelo e-200 GSM Kevlar, ngokulandelanayo (okt i-18 kunye ne-21 ye-200 ye-GSM Kevlar).Kukho umkhwa ophantse uphindwe kabini inani leeleya ze-Kevlar ezifunekayo, xa kuthelekiswa ne-Kevlar eyonakeleyo yokumisa iiprojectiles.Nge-18 kunye ne-21 yemigangatho ye-200 ye-GSM Kevlar, iya kubangela ukuba i-projectiles 1 kunye ne-2 imise malunga ne-9 kunye ne-10 ye-Kevlar.Eli nani lomaleko lihambelana nenani leeleya ze-Kevlar ezifumaneka kurhwebo ze-Kevlar-kuphela bullet proof vests eziqulathe.

Ezinye izinto zereferensi yakho:

https://www.senkencorp.com/bullet-proof-vest/military-vip-police-concealable-light-weight.html

https://www.senkencorp.com/bullet-proof-vest/high-quality-military-use-tactical-armor.html

https://www.senkencorp.com/bullet-proof-vest/military-ballistic-nij-iiia-pe-or-kevlar.html

https://www.senkencorp.com/bullet-proof-vest/bulletproof-vest-fdy3r-sk15.html

Iividiyo zereferensi yakho:

https://www.youtube.com/watch?v=Zc-HYAXSaqs

https://www.youtube.com/watch?v=YtBaebU7CTw

5. Izigqibo

Ukuthelekiswa kwe-160 GSM, i-200 GSM kunye ne-400 GSMKevlarphantsi kweempembelelo ze-ballistic zenziwe kunye novavanyo lwe-ballistic olwenziwe nge-9 mm imbumbulu zeParabellum kunye nenani elahlukileyo le-Kevlar layers.Kwaphawulwa ukuba iileya ezimbalwa ze-Kevlar azisebenzi ekumiseni iiprojectiles, kodwa kunokuba zinyanzelise iiprojectiles ukuba zihambe ngakumbi kwijeli ye-ballistic.Kuphela nje ukuba inani leengqimba linyuswe, ukuhla kwe-projectile yokungena kwi-gel ye-ballistic yabonwa.Isizathu sale ncopho yokungena, ngakumbi ngeeprojectiles ze-hollow point, kwakungenxa yokuzaliswa komngxuma kunye nezinto ze-Kevlar kunye nokwenza ukuba zenze njengeprojekthi ye-FMJ.Imilinganiselo efanayo ephakathi kwe-FMJ kunye ne-hollow point projectiles, xa sele kufikelelwe incopho.

Ukushwankathela igalelo leli phepha, kunokuqukunjelwa:

• 1)

• Ukusebenza kwemigangatho eyahlukeneyo ye-160 GSM, i-200 GSM kunye ne-400 ye-GSM amabakala e-Kevlar elayishwe nge-gel ye-ballistic yaphandwa, kwaye kwafunyaniswa ukuba i-200 GSM Kevlar yayisebenza ngakumbi ekumiseni i-9 mm Parabellum projectile.

• 2)

• Kwafunyaniswa ukuba akukho budlelwane bomgca phakathi kweentlobo ezimbini ezahlukeneyo zeKevlar ezinobunzima obuhlukeneyo (ezifana ne-200 GSM kunye ne-400 GSM Kevlar), ezibekwe ngendlela yokuba zibe nobunzima obudibeneyo obudibeneyo.

• 3)

• Iindidi ezine ezahlukeneyo ze-9 mm Parabellum ammunition zavavanywa, kwaye ubunzulu bokungena kwabo kwijeli ye-ballistic ichongiwe kwiingqimba ezahlukeneyo zeKevlar.

• 4)

• Kwavavanywa ukuba kwiimbumbulu ze-9 mm Parabellum, ezisetyenziswa ngokuqhelekileyo kwihlabathi jikelele, iileya ezingama-21 ze-200 GSM Kevlar zifuneka ubuncinci ukumisa iprojectile.Kucetyiswa ukuba, njengenyathelo lokhuseleko, into eyongezelelweyo yokhuseleko ibandakanyiwe njengoko ukungena kuxhomekeke nakwiprofayili yeprojekthi.

Ngokusekelwe kwiziphumo ezichazwe ngasentla kwiimpawu zeKevlar zobunzima obahlukeneyo, kuthenjwa ukuba ezi mpawu zingasetyenziselwa ukuphuhlisa kunye nokuyila iivesti ezikhuselekileyo nezisebenzayo.

Umkhwa oqhelekileyo ophindwe kabini inani leeleya ze-Kevlar ezifunekayo xa kuthelekiswa nenani langempela leeleya ezonakalisiweyo, kuya kuba luncedo ukuphonononga kuphando olongezelelweyo ngeembumbulu ezahlukeneyo.Uphando lwexesha elizayo luya kuba nakho ukubonisa isiphumo sokungena esinaso iiprojectiles ezincinci kunye neembumbulu kwi-Kevlar xa kuthelekiswa naleyo ye-9 mm yembumbulu zePara.Ngokufanayo, uphando lwexesha elizayo luya kukwazi ukuchonga ukuba izixhobo ezahlukeneyo kunye neeprojectiles zingena njani kwi-200 GSM Kevlar njenge-Kevlar esetyenziswa kuphela kwiivesti ze-bulletproof.Ngeempawu ezibonwayo kunye neeprojekti zomngxuma ezingena nzulu kwijeli ye-ballistic, emva kokuba indawo egobileyo ivaliwe nge-Kevlar, uphando lwexesha elizayo luya kuvumela ukuchonga ukuba isiphumo esifanayo siya kuba nakho kwimeko apho i-projectile ingene kwimpahla, ngaphambi kokungena kwenyama. .

Imibulelo

Uphando luxhaswe ngemali yiIsiseko soPhando seSizwe.Ezi nkampani zilandelayo kunye nabantu ngabanye bamkelwa ngoncedo lwabo, isikhokelo, kunye nokusetyenziswa kwezixhobo zabo, ngokulandelelana kwealfabhethi: uBorrie Bornman, uJohn Evans, iZiko loVavanyo loBuchule boMpu kunye noQeqesho (+27 39 315 0379;fcatc1@webafrica.org.za), iHenns Arms (umthengisi wemipu kunye noGqirha ngemipu;www.hennsarms.co.za;info@hennsarms.co.za), River Valley Farm & Nature Reserve (+27 82 694 2258;https://www.rivervalleynaturereserve.co.za/;info@jollyfresh.co.za), uMarc Lee, uDavid noNatasha Robert, uSimms Arms (+27 39 315 6390;https://www.simmsarms.co.za;simmscraig@msn.com), i-Southern Sky Operations (+27 31 579 4141;www.skyops.co.za;mike@skyops.co.za), uLouis noLeonie Stopforth.Kufuneka kuqatshelwe ukuba izimvo zababhali kweli phepha azikho iimbono zeenkampani, imibutho kunye nabantu abakhankanywe ngasentla.Ababhali abazange bafumane nzuzo yemali yovavanyo olwenziweyo.