Tun daga zamanin da zuwa na zamani, tushen dukkan ayyukan soja yana kewaye da tushen "mashi da garkuwa", wato hari da kariya. Tare da ci gaba da ci gaban fasahar soja, sulken jiki mai laushi bai cika buƙatun aiki ba. Mutane sun fara amfani da kayan aiki masu tauri tare da sulken jiki mai laushi, don cimma babban matakin tsaro, kayan da aka fi amfani da su sune: farantin ƙarfe, ƙarfe mai ƙarfe, ƙarfe mai ƙarfe, B4C, Si3N4, SiC, Al2O3 da sauransu.
Farantin ƙarfe shine farkon da ake amfani da shi a cikin kayan sulke na jiki mai tauri, kodayake yana inganta matakin kariya na sulke mai laushi na jiki sosai, amma ikon kariya yana da iyaka, zai iya kare kansa ne kawai daga harin harsasai na core na gubar da harsasai na core na ƙarfe na yau da kullun, kuma akwai nauyi da yawa masu sauƙin tsalle harsasai da sauran gazawa.
An ƙara inganta kayan yumbu idan aka kwatanta da farantin ƙarfe, nauyin nauyi mai sauƙi bai kai rabin farantin ƙarfe ba, kuma babu wani abin da ya faru na ricochet.
Na gama gari a halin yanzufarantin yumbu mai hana harsashiƙayyadaddun bayanai: farantin taro mai girman 250*300mm.
Bayani dalla-dalla na takardar yumbu mai hana harsashi:
50*50 saman baka (370~400)
Jirgin sama mai kusurwa shida (tsawon gefe 21mm)
Rabin yanki, kusurwar bevel (25*50)
Bukatun aiki na yumbu masu hana harsashi:
Ka'idar hana harsashi ta yumbu da ƙarfe ta bambanta sosai, farantin hana harsashi ta ƙarfe ta hanyar lalata filastik ne don shan kuzarin motsi na harsashi, yayin da farantin hana harsashi ta yumbu ke ta hanyar fashewa don shan kuzarin motsi na harsashi.
Yumburan da ke hana harsashi suna buƙatar ƙarin aiki, kamar: yawan aiki, porosity, tauri, tauri na karyewa, tsarin roba, saurin sauti, ƙarfin injina, duk wani aiki ɗaya ba zai iya samun dangantaka kai tsaye da yanke hukunci ba tare da aikin gaba ɗaya na hana harsashi, don haka tsarin karyewa yana da rikitarwa sosai, samuwar tsagewa yana faruwa ne saboda dalilai da yawa, kuma lokacin yana da ɗan gajeren lokaci.
①Ya kamata a rage girman ramuka gwargwadon iyawa don inganta tauri da kuma ƙarfin roba, tauri na yumbu dole ne ya fi tauri na harsasai.
② Taurin kai tsaye yana ƙayyade aikin juriyar harsashi na farantin hana harsashi.
③ Yawan yana ƙayyade nauyin farantin mai hana harsashi kai tsaye, saboda ƙarancin ƙarfin nauyi na sojoji, don haka buƙatun yawan sulke na jiki masu tauri idan aka yi amfani da su yadda ya kamata, mafi kyawun abu shine a yi amfani da su.
④ Rarraba farantin ƙarfe mai hana harsashi: yumbu mai alumina 95, yumbu mai alumina 97, yumbu mai alumina 99, da sauransu.
Daga cikin kayan yumbu da aka fi amfani da su, B4C, Si3N4, SiC ba shi da ƙarfi sosai, amma farashin yana da yawa, Al2O3 yana da ƙarancin farashi, tsari mai girma, girman da za a iya sarrafa shi, ƙarancin zafin sintering, samar da kayan aiki mai sauƙin sarrafawa da sauran fa'idodi, ya zama abu gama gari a cikin yumbu masu hana harsashi.
Lokacin Saƙo: Afrilu-24-2023