Mafi Haske Level 4 An Bayyana: Nauyi, Kariya da Ayyuka

Ounces daidai fam, kuma fam ɗin daidai gajiya. A cikin mahallin dabara, nauyin sulke yana nuna motsi, juriya, da rayuwa. Madaidaicin faranti 4 suna ba da iyakar kariya daga zagaye-zagayen sokin sulke (AP) amma ƙara 14 zuwa 16 fam zuwa mai ɗaukar faranti. Wannan nauyin yana ƙasƙantar da aikin jiki, yana ƙara nauyin zafi, kuma yana ƙuntata kewayon motsi idan aka kwatanta da tsarin sauƙi. Lokacin da canjin aiki ya ƙaru zuwa lambobi biyu ko sintiri ya rufe ƙasa maras kyau, ƙarin nauyin ya zama alhaki na aiki. Abubuwan haɓakawa yanzu suna ba da izini don mafi sauƙi matakin 4 faranti akan kasuwa. Motsawa daga kayan nauyi na gargajiya yana bawa masu aiki damar kula da mafi girman kariyar barazanar ba tare da sadaukar da kai ba. Za mu kimanta yadda za a zaɓi sulke mai haske ba tare da ɓata ƙwararrun ƙwararrun ƙwallon ƙafa ta NIJ ba, iyawa da yawa, ko kasafin kuɗi na aiki.

• Ma'auni na Nauyi: Madaidaicin matakin faranti 4 suna auna 8-10 lbs kowanne; mafi ƙarancin matakin 4 makamai na jiki yana rage wannan zuwa 5-6.5 lbs kowace faranti ta hanyar kimiyyar kayan haɓaka.

• Level III vs. Level IV Gaskiyar: Madaidaicin matakin 4 saitin yana ƙara kusan 14-16 lbs zuwa gangar jikin, yayin da saitin matakin III yana ƙara 8-12 lbs kawai. Ultralight Level 4 faranti suna cike wannan rata, suna ba da kariya ta AP a ma'aunin matakin III.

• Kwangilar Kuɗi-zuwa-Nauyi: Zubar da nauyi a matakin kariya na 4 yana da tsada sosai. Motsawa daga Alumina zuwa Boron Carbide yana haɓaka farashin kowane faranti.

• Matsalolin Ergonomics: Farantin sulke masu lankwasa da yawa suna rarraba nauyi yadda ya kamata a ko'ina cikin gangar jikin, yana sa farantin da ya fi nauyi ya zama mai sauƙi kuma ya fi sauƙi fiye da farantin mai lankwasa guda ɗaya.

• Dorewar Ciniki-Kashe: Farantin sulke na yumbu mai haske yana buƙatar ƙaƙƙarfan ƙa'idodin kulawa saboda ƙaƙƙarfan rashin ƙarfi na ci-gaba da yajin fuska lokacin da aka sami ƙarfi ko faɗuwa.

Haƙiƙanin Faranti na Ballistic Level 4 da Nauyi

Ma'anar sulke mara nauyi yana buƙatar fahimtar takamaiman barazanar ballistic waɗannan faranti. Kariyar matakin 4 tana wakiltar mafi girman ƙima a ƙarƙashin ma'aunin NIJ 0101.06 na yanzu. Yana buƙatar sulke don dakatar da .30-06 Springfield M2 Armor Piercing (AP) wanda ke tafiya a ƙafa 2,880 a kowace daƙiƙa. Wannan babban mataki ne a cikin kuzarin motsa jiki da iya shiga ciki idan aka kwatanta da matakin sulke na III, wanda kawai ke dakatar da daidaitattun 7.62x51mm na gaba-gaba na manyan bindigogi na NATO. Cimma wannan ƙarfin tsayawar AP a tarihi yana buƙatar kauri, kaya masu yawa, yana sa makaman da ke haifar da wahala.

Nauyin bakan don matakin 4 ballistic faranti yana da fadi kuma yana da alaƙa kai tsaye tare da kayan da ake amfani da su a masana'antu. Zaɓuɓɓukan abokantaka na kasafin kuɗi sun dogara da tsoffin ƙirar kayan abu kuma suna auna tsakanin 8 zuwa 10 fam kowace faranti. Zaɓuɓɓukan tsaka-tsaki suna haɓaka waɗannan kayan don saukar da nauyi zuwa kusan kilo 7 zuwa 8. Nau'in hasken haske na gaskiya yana tura iyakoki na injiniyan zamani, yana fitar da nauyi zuwa ƙasa da fam 6.5 a kowace faranti.

Lokacin da kuka ƙididdige jimlar nauyin ɗaukar nauyi, bambancin ya zama babba. Daidaitaccen saitin faranti biyu yana ƙara 16 zuwa 20 fam na mataccen nauyi kai tsaye zuwa ga jikin ku. Bugu da kari, da amfani ultralight matakin 4 faranti yana sauke wannan jimlar nauyin nauyi zuwa fam 10 zuwa 13 kawai. Wannan rage nauyi yana kawo adadin saitin matakin 4 zuwa kewayon nauyi na tarihi na saitin Level III. Kuna samun kariya ta huda sulke ba tare da hukuncin nauyi na gargajiya ba.

Ɗaukar nauyin da ya wuce kima a jikin gaɓoɓin yana haifar da mummunan lahani ga jikin ɗan adam akan lokaci. Ba a tsara kashin bayan ɗan adam don ɗaukar ƙarin fam 20 na ƙaƙƙarfan taro da aka dakatar daga kafadu ba. Lokacin da kuka ƙara kilo 20 na ƙaƙƙarfan taro zuwa jikinku na sama, tsakiyar ƙarfin ku yana motsawa zuwa sama. Wannan motsi yana tilasta tsokoki na baya don yin aiki akai-akai don kiyaye daidaito, musamman lokacin tafiya cikin ƙasa mara kyau ko kuma motsawa cikin baraguzan birni. Sama da cikakken aikin aiki ko tsawaita sintiri, wannan nauyin yana matsawa fayafai na kashin baya, yana ƙunsar tsokar ƙananan baya, kuma yana haɓaka gajiya a gwiwa da haɗin gwiwa.

Har ila yau, nauyin thermal yana ƙaruwa sosai. Nauyi, manyan sulke suna aiki azaman insulator. A cikin yanayin zafi mai zafi, wannan zafin da ke tattare da shi yana haɓaka bushewa da haɓakar yanayin zafin jiki, yana haifar da gajiyar zafi tun kafin gajiyawar tsoka ta fara shiga. Ta hanyar yanke nauyin sulke cikin rabi, kuna rage yawan buƙatun ruwan ku da kuma tsawaita juriyar aikin ku. Ma'aikatan da ke sanye da sulke masu sauƙi suna samun saurin saye da niyya saboda ƙarancin jujjuyawar juye-juye da ke yaƙar motsinsu. Gudun gudu mai dorewa yana inganta, kuma farashin motsa jiki yana raguwa. Lokacin da kuka kashe ƙarancin kuzari kawai ɗaukar kayan aikinku, kuna riƙe ƙarin fahimi da ƙarfin jiki don yanke shawara mai mahimmanci ƙarƙashin damuwa.

Kimiyyar Kayayyaki: Yadda Aka Yi Faranti 4 na Ƙarfafa Haske

Sirrin dakatar da zagaye na huda sulke ba tare da aunawa mai aiki ba yana cikin tukwane na ci gaba. Ba kamar faranti na ƙarfe ba, waɗanda ke ƙoƙarin sha da karkatar da kuzarin harsashi ta hanyar yawa. faranti sulke na yumbu suna lalata majigi mai shigowa. Lokacin da zagaye na AP ya bugi fuskar yumbu, matsananciyar taurin yumbun ya yi ɗimuwa kuma yana farfasa ainihin ƙarfen harsashi. yumbun da kansa yana karyewa a cikin aikin, yana ɗaukar ɗimbin kuzarin motsa jiki.

Ba duk yumbu aka halitta daidai ba. Takamammen fili da aka yi amfani da shi yana nuna nauyi, kauri, da aikin farantin. Masana'antu sun dogara da matsayi na kayan yumbu na farko guda uku. Alumina Oxide (Al2O3) shine kayan tushe don mafi yawan daidaitattun sulke. Yana da matukar tasiri wajen dakatar da barazanar AP, mai sauƙin ƙirƙira, kuma yana da ɗorewa sosai akan faɗuwar yau da kullun da mugun aiki. Koyaya, shine zaɓi mafi girma kuma mafi nauyi da ake samu.

Silicon Carbide (SiC) yana aiki azaman mafi kyawun tsakiyar ƙasa. Yana ba da raguwar nauyin kashi 15 zuwa 20 akan Alumina Oxide. Yana ba da kyakkyawan tauri kuma shine tafi-zuwa kayan don tsakiyar matakin zuwa faranti masu tsayi inda batun tanadin nauyi amma kasafin kuɗi har yanzu abin la'akari ne. Boron Carbide (B4C) shine ƙimar ƙimar da ake amfani da ita don kera cikakkun faranti mafi sauƙi akan kasuwa. Boron Carbide yana da matuƙar wahala - yana ƙasa da lu'u-lu'u akan sikelin Mohs - kuma na musamman mara nauyi. Ciniki-off shine cewa sanannen abu ne mai wahala da tsada don samarwa.

Fuskar yajin yumbu ba za ta iya aiki ita kaɗai ba. Da zarar yumbura ya farfasa harsashin, dole ne a kama gutsuttsura da tarkacen yumbu kafin su shiga jikin mai sawa. Wannan shine inda Ultra-High-Molecular-Weight Polyethylene (UHMWPE) ya shigo cikin wasa. UHMWPE a halin yanzu shine mafi ƙarancin kayan ballistic da ake samu. Masu sana'anta suna danna shi zuwa gaɗaɗɗen yadudduka masu ƙarfi kuma suna haɗa shi kai tsaye a bayan fuskar yajin yumbu.

Tsarin kera na waɗannan faranti na ci-gaba yana da matuƙar ma'auni. Don haɗa UHMWPE zuwa yumbu, masana'antun suna amfani da autoclaves na masana'antu waɗanda ke amfani da zafi da matsa lamba a cikin sa'o'i da yawa. Wannan tsari yana tabbatar da cewa babu kumfa na iska ko maki mara ƙarfi tsakanin yadudduka. Idan haɗin yana da lahani, farantin zai iya wahala daga lalacewa, inda yadudduka suka rabu, suna lalata aikin ballistic. Wannan shine dalilin da ya sa faranti mafi sauƙi suna ba da umarnin ƙima; Gefen kuskure a cikin samar da su kusan sifili ne.

Lokacin da tarkacen harsashi ya bugi goyan bayan UHMWPE, kayan yana kama su ta hanyar nakasar filastik. Yana mikewa ya narke kadan don sha sauran kuzarin motsa jiki. UHMWPE mai tsafta ba zai iya dakatar da zagayen AP da kanta ba. Ƙarfe na zagaye na AP zai yi naushi da tsabta ta cikinsa. Dole ne a haɗe shi da maƙarƙashiyar yajin yumbu don cimma ƙima na Mataki na 4.

Kuskuren da aka saba shine cewa faranti na yumbu sun rushe gaba ɗaya kuma sun zama marasa amfani bayan bugun harsashi guda ɗaya. Yayin da ma'auni na NIJ Level IV yana buƙatar farantin don dakatar da zagaye ɗaya kawai .30-06 AP, fasahohin masana'antu na zamani sun inganta aiki mai yawa da yawa. Manyan faranti suna amfani da mosaic ko tiled yumbu fiye da yanki guda ɗaya na yumbu.

Lokacin da harsashi ya bugi tsararrun tayal, lalacewar takan koma ga takamaiman tayal da abin ya shafa. Fale-falen fale-falen da ke kewaye sun kasance cikakke kuma suna da cikakken ikon tsayawa zagaye na gaba. Wannan ƙayyadaddun yana ba da damar faranti masu nauyi masu inganci don dogaro da gaske don dakatar da barazanar da yawa, kamar zagaye na 5.56mm M855A1 ko M193. Kuna samun kariya mai dorewa a cikin mahalli mai girma na barazana.

Ƙimar Ƙarƙashin Mataki na IV Plates Rifle (Tsarin Tsari)

Zaɓin madaidaicin sulke yana buƙatar daidaita ɗanyen nauyi da buƙatun aiki, ergonomics, da iyakokin kasafin kuɗi. Farantin da yayi kama da kamala akan takardar ƙayyadaddun bayanai na iya yin aiki mara kyau a filin idan bai dace da jikinka ko mai ɗaukar farantinka daidai ba. Dole ne ku kimanta waɗannan faranti ta hanyar ruwan tabarau mai amfani, mai daidaita filin.

Dangantakar da ke tsakanin rage nauyi da farashi a cikin makamai na jiki ba ta layi ba; yana da ma'ana. Yayin da kuke matsawa ƙasa da madaidaicin fam 7, kowane oza guda da aka adana yana haifar da haɓakar ƙimar masana'antu. Juyawa daga Silicon Carbide zuwa Boron Carbide don aske rabin fam na ƙarshe yana buƙatar babban jarin jari.

Lokacin kimanta kasuwa, kafa ma'auni na gaske don ƙima. Saitin tsaka-tsaki zuwa babba ta amfani da Silicon Carbide yawanci yana wakiltar wuri mai daɗi ga yawancin ƙwararru. Wadannan Faranti 4 masu nauyi masu nauyi suna ba da aiki na musamman ba tare da kai matsanancin ƙimar Boron Carbide ba. Dole ne ku kimanta ainihin buƙatun ku na manufa don tabbatar da dawowar saka hannun jari. Wani sojan kasa da ya sauka yana sintiri a kafa na tsawon mil zai amfana sosai daga faranti mai haske. Mai aiki da abin hawa na iya ba da fifikon kasafin kuɗi da dorewa akan matsanancin tanadin nauyi.

Wani abu mai mahimmanci lokacin kimanta faranti masu nauyi shine tabbatar da kariya daga gefe-zuwa-gefe. Wasu masana'antun ta hanyar wucin gadi suna rage nauyin farantin su ta hanyar amfani da ƙaramin yumbu mai ƙyalƙyali wanda ke kewaye da iyakar kumfa ba na ballistic ba. Yayin da wannan ke sa farantin ya yi haske a kan sikelin, yana barin gefen jikin jikin ku gaba ɗaya mara kariya daga barazanar bindiga. Koyaushe tabbatarwa tare da masana'anta cewa fuskar yajin yumbu ya miƙe gabaɗaya zuwa gefuna na farantin.

Geometry na sulke yana bayyana yadda nauyin ke ji a jikin ku. Faranti guda ɗaya suna da sauƙi, lanƙwasa iri ɗaya. Duk da yake mai rahusa don samarwa, ba su dace da hadadden siffar jikin jikin mutum ba. Wannan yana haifar da maki matsa lamba akan sternum da clavicles, yana haifar da farantin don motsawa da chafe yayin motsi mai ƙarfi.

Haɓaka zuwa Multi mai lankwasa faranti sulke yana ba da fa'idar ergonomic mai yawa. Waɗannan faranti suna da lanƙwasa masu lanƙwasa waɗanda ke rungumar hakarkarin kuma suna zaune a kan gangar jikin. Wannan madaidaicin dacewa yana rarraba nauyin sulke daidai gwargwado a cikin wani yanki mafi girma. Rarraba nauyin da ya dace yana rage nauyin da aka gane na loadout. Farantin mai lankwasa da yawa mai nauyi da ɗan nauyi zai sau da yawa yana jin sauƙi kuma yana iya motsawa fiye da farantin mai lanƙwasa ɗaya mai sauƙi.

Nauyi ɗaya ne kawai na girma; kauri daidai yake da mahimmanci. Faranti iv masu nauyi masu nauyi gabaɗaya suna daga 0.7 inci zuwa inci 1.1 cikin kauri. Faranti masu kauri, yayin da galibi suna da sauƙi saboda ƙara goyan bayan UHMWPE, na iya haifar da lamuran haɗin kai tare da kayan aikin ku.

Farantin da ya wuce inci 1 a cikin kauri na iya tsoma baki tare da kafada da bindiga. Yana fitar da buttstock daga mafi kyawun aljihu a cikin kafadar ku kuma yana lalata sarrafa koma baya. Bugu da ƙari, faranti masu kauri fiye da kima ba za su dace ba a cikin jakunkuna na faranti na daidaitattun masu ɗaukar hoto. Koyaushe tabbatar da iyakar kauri na takamaiman mai ɗaukar farantin ku kafin aiwatar da saitin sulke.

Kada a taɓa yin sulhu akan ingantattun gwajin ballistic. Akwai bambanci mai mahimmanci tsakanin faranti da ake 'Gwaɗa zuwa' da 'Tabbacin zuwa' ƙa'idodin NIJ. 'An gwada zuwa' kawai yana nufin mai ƙira ya aika faranti zuwa lab kuma ya dakatar da harsashi a wannan takamaiman ranar. 'Tabbace ga' yana nufin farantin ya yi tsauri, daidaitaccen yanayin yanayin muhalli, gami da gwajin juzu'i, hawan zafi, da nutsewa. Har ila yau, ana ci gaba da gudanar da bincike a cibiyar shari'a ta kasa.

Kula da ma'aunin NIJ 0101.07 mai zuwa. Wannan sabon ma'auni yana gabatar da rarrabuwar RF3, wanda zai maye gurbin nadi na Mataki na IV na yanzu. Yayin da lissafin matakin 4 na yanzu ya kasance mai tasiri sosai kuma yana dacewa, fahimtar canjin zuwa RF3 yana taimaka muku kimanta dorewar dogon lokaci na saka hannun jari na sulke.

Cinikin-Kashewa da Hatsarin Aiwatar da Makamashin Jiki 4 Mafi Sauƙaƙa

Tura iyakoki na kimiyyar abin duniya yana gabatar da sauye-sauye na zahiri. Tsarin sulke na ultralight yana ba da fifikon aikin ballistic da rage nauyi sama da komai. Wannan mayar da hankali zai iya ɓata halaye na biyu kamar ƙarfin ƙarfin ƙarfi da nakasar baya.

Babban koma baya na Boron Carbide da sauran tukwane na ci gaba shine raunin danginsu idan aka kwatanta da mafi girman Alumina ko madadin karfe. Duk da yake waɗannan kayan suna da wuyar gaske, su ma ba su da ƙarfi. Zubar da farantin Boron Carbide akan kankare ko sanya shi ga mummunan tasiri na iya haifar da ƙananan karaya a fuskar yajin yumbu. Waɗannan karayar da ba a gani ba suna yin illa ga ikon farantin na tarwatsa zagaye na AP mai shigowa, mai yuwuwar haifar da gazawar bala'i.

Rage wannan haɗarin yana buƙatar tsauraran ka'idojin kulawa. Ajiye kayan sulke ko a cikin akwatunan da aka keɓe. Ka guji jefar da farantinka a bayan abin hawa, kuma yi amfani da dillalai tare da ginanniyar fakitin. Idan hukumar ku tana da damar yin amfani da kayan aikin X-ray, tsara jadawalin duba naku akai-akai mafi ƙarancin matakin 4 makamai na jiki don tabbatar da tsarin yumbu na ciki ya kasance mara daidaituwa.

Lokacin da harsashi ya sami sulke, dole ne makamashin motsa jiki ya tafi wani wuri. Farantin yana kumbura ciki zuwa jikin mai sawa, al'amarin da aka sani da Sa hannu na Backface (BFS) ko nakasar fuska. NIJ tana ba da damar nakasa har zuwa 44mm. Faranti masu sauƙi suna samun tanadin nauyin nauyin su ta hanyar amfani da ƙananan yadudduka na goyon bayan UHMWPE. Saboda haka, galibi suna nuna nakasar baya fiye da nauyi, faranti masu kauri.

Yayin da farantin zai dakatar da harsashi daga shiga, mummunan rauni da aka yi wa haƙarƙari da gabobin ciki na iya zama mai tsanani. Don rage wannan, yawancin masu aiki suna haɗa faranti na ultralight tare da ƙarin pad ɗin rauni maras amfani. Koyaya, ƙara fatun rauni yana gabatar da ƙarin kauri kuma yana ƙara baya wasu nauyin da kuka biya ƙima don kawar da su. Dole ne ku daidaita buƙatun rage raunin rauni a kan tanadin nauyi da kuke so.

Siffar jiki na farantin yana tasiri sosai ga nauyi da motsi. Masu kera suna ba da bayanan yanke daban-daban don dacewa da buƙatun dabara daban-daban. Yanke SAPI shine daidaitaccen bayanin martaba na soja. Yana ba da ingantacciyar ɗaukar hoto don mahimman mahimman abubuwa na sama amma yana fasalta sassauƙan yanke kusurwa, wanda zai iya ɗan taƙaita motsin hannu a cikin matsatsun wurare.

Yanke Shooter yana da ƙarin kusurwoyi masu ƙarfi a saman kusurwoyi. Wannan yanke yana aske oza kuma yana inganta motsin hannu da kafada bindiga. Yana da manufa don shigarwa mai ƙarfi da mahalli na kusa-kwata. Yanke Swimmer shine mafi girman yankewar da ake da shi, yana cire abubuwa masu mahimmanci daga yankin thoracic na sama. Yana ba da matsakaicin motsi don kafadu da makamai amma yana sadaukar da adadi mai ƙima na ɗaukar hoto akan huhu na sama da ƙwanƙwasa.

Sanya farantin da ya fi girma zai hana ka iya harba bindiga ko tsallaka hannunka, kuma zai tona cikin cinyoyinka lokacin da kake zaune ko durƙusa. Akasin haka, farantin da ya yi ƙanƙara yana barin zuciyarka da huhu a bayyane. Manufar ita ce a rufe mahimmancin rami na thoracic-ba wani abu ba, ba kome ba. Zaɓin yanke mai harbi 10x12 mai tsananin ƙarfi hanya ce mai matukar tasiri don rage nauyi ba tare da canza kayan ba, muddin kun gamsu da ɗan raguwar ɗaukar hoto na sama.

Samowa daga Ingantacciyar Maƙerin Filayen Ballistic

Ingancin sulke gaba ɗaya ya dogara ga amincin ƙera. Manyan yumbura da UHMWPE suna buƙatar madaidaicin sarrafa zafin jiki, ainihin aikace-aikacen matsa lamba, da ma'ajin haɗin kai mara aibi don aiki daidai. Rashin gazawa a cikin tsarin masana'antu na iya haifar da lalacewa ko raunin tsari wanda ke bayyana kansu kawai akan tasirin harsashi.

Lokacin zabar a ballistic faranti manufacturer , nuna gaskiya ne mafi muhimmanci. Nemo kamfanoni waɗanda ke bayyana a fili wuraren samo kayansu da wuraren kera su. Ga masu siyayya na tushen Amurka, tabbatar da Yarda da Berry yana tabbatar da samar da sulke cikin gida ta amfani da kayan gida. Wannan sau da yawa yana da alaƙa da ƙaƙƙarfan ƙa'idodin sarrafa inganci.

Mai daraja Masu samar da kayan yaƙi na soja za su samar da cikakkun takardu don samfuran su. Neman ganin rahotannin dakin gwaje-gwaje na ballistic na jama'a daga ingantattun wurare kamar NTS Chesapeake. Yi kimanta hanyoyin gwajin kuri'a da lokutan garanti. Farantin yumbu masu inganci yawanci suna ɗaukar garanti na shekaru 5 zuwa 10. Masana'antun da ke son tsayawa a bayan samfurin su na tsawon shekaru goma suna nuna kwarin gwiwa ga wakilan haɗin gwiwarsu da kwanciyar hankali na kayan.

Kammalawa

Mafi ƙarancin matakin faranti 4 suna wakiltar babban tsalle-tsalle a cikin dabarar rayuwa. Suna samar da ingantaccen matakin dakatarwar barazanar matakin IV a ma'aunin nauyi na tarihi na matakin III. Ta hanyar haɓaka kayan haɓakawa kamar Silicon Carbide da Boron Carbide waɗanda aka haɗa tare da goyan bayan UHMWPE, masu aiki na iya rage gajiya sosai, haɓaka motsi, da kuma kula da mafi girman aikin jiki yayin ayyukan tsawaitawa. Wannan aikin yana buƙatar babban saka hannun jari na kuɗi kuma yana buƙatar bin ƙa'idodin kulawa da kyau da kuma adanawa don kare fuskokin yajin yumbu mai rauni.

Lokacin zabar zaɓuɓɓukanku, ba da fifikon bayanan martaba masu lanƙwasa da yawa don ergonomics mafi girma. Idan Boron Carbide mai tsabta ya wuce kasafin ku, Silicon Carbide yana ba da mafi kyawun tsakiyar ƙasa. Yana ba da tanadin nauyi mai yawa ba tare da matsananciyar farashi mai ƙima ba.

Ɗauki matakai masu zuwa don kammala zaɓin makamanku:

1. Auna jikin jikinka daidai daga kan nono-zuwa-nono don faɗi da kuma tsage-zuwa-cibiya don tsayi don tantance ainihin girman farantin da ake buƙata don nau'in jikinka.

2. Tabbatar da iyakar kauri mai ɗaukar farantinku na yanzu don tabbatar da dacewa tare da ƙirar haske mai kauri.

3. Bincika Jerin Samfuran Masu Yarda da NIJ don tabbatar da takamaiman samfurin farantin yana riƙe da tabbataccen takaddun shaida.

4. Ƙirƙiri ƙaƙƙarfan ƙa'idar bincike da ajiya a cikin naúrar ku ko ɗakin kayan aiki na sirri don hana ƙananan karaya daga tasirin gaske.

FAQ

Tambaya: Nawa ne nauyin faranti 4 mafi sauƙi?

A: Madaidaicin faranti na 4 mafi sauƙi akan kasuwa suna amfani da Boron Carbide da UHMWPE na ci gaba. Suna auna tsakanin 5.0 da 6.5 fam kowace faranti dangane da takamaiman girman da yanke bayanin martaba.

Tambaya: Shin faranti 4 na yumbu na iya ɗaukar hits da yawa?

A: iya. Yayin da NIJ Level IV kawai yana buƙatar dakatar da zagaye guda .30-06 AP, faranti na zamani na amfani da tiled ko mosaic arrays waɗanda ke bayyana lalacewa. Wannan yana ba da damar faranti masu inganci don dogaro da dogaro da dakatar da barazanar da yawa, kamar zagaye 5.56mm ko 7.62x39mm.

Tambaya: Menene bambanci tsakanin lanƙwasa guda ɗaya da faranti mai lankwasa da yawa?

A: Faranti guda ɗaya suna da lanƙwasa iri ɗaya, wanda zai iya haifar da maki matsa lamba akan ƙirji. Yawancin faranti masu lankwasa suna da hadadden lissafi wanda ya dace da sifar jikin jikin mutum. Wannan yana rarraba nauyi a ko'ina kuma yana inganta ta'aziyya da motsi gaba ɗaya.

Tambaya: Ina bukatan pads masu rauni tare da faranti na ultralight Level 4?

A: Ya dogara da halaye na lalacewar farantin baya. Faranti na ultralight galibi suna amfani da ƙarancin kayan tallafi, wanda zai iya haifar da canjin rauni mai ƙarfi. Ƙara ƙwanƙolin raunin da ba na ballistic yana rage wannan tasirin amma yana ƙara girma da nauyi a baya ga tsarin.

Tambaya: Har yaushe farantin sulke na yumbu ke wucewa?

A: Yawancin masana'antun da suka shahara suna ba da garantin shekaru 5 zuwa 10 akan faranti na yumbu. yumbun kanta baya raguwa akan lokaci, amma adhesives da goyon bayan UHMWPE na iya rushewa idan an fallasa su ga matsanancin zafi ko danshi tsawon shekaru masu yawa.

Tambaya: Shin faranti na Boron Carbide sun cancanci ƙarin farashi?

A: Idan aikinku yana buƙatar manyan sintiri na ƙafa ko kuma kuna da rauni na baya ko gwiwa, matsanancin tanadi na Boron Carbide yana da fa'ida sosai. Don ayyukan abin hawa ko a tsaye, faranti na Silicon Carbide ko Alumina marasa tsada na iya zama mafi amfani.