Rage damuwa da ƙarfafa saman
Ta hanyar buga saman aikin da yashi, damuwa tana raguwa kuma ƙarfin saman aikin yana ƙaruwa, kamar maganin saman aikin kamar maɓuɓɓugan ruwa, kayan aikin injina da ruwan wukake na jirgin sama.
Injin tsaftace yashi mai ƙarfi
Akwai ƙa'idodi guda biyu na duniya da suka wakilci tsafta: ɗaya shine "SSPC-" da Amurka ta kafa a shekarar 1985; na biyu kuma shine "Sa-" da Sweden ta tsara a cikin 76, wanda aka raba zuwa matakai huɗu, wato Sa1, Sa2, Sa2.5 da Sa3, kuma shine ƙa'idar gama gari ta duniya. Cikakkun bayanai sune kamar haka:
Sa1 – daidai da THE US SSPC – SP7. Ta amfani da burushi mai sauƙi na hannu, hanyar niƙa zane mai kama da na'urar niƙa, wannan nau'ikan tsabta guda huɗu suna da ƙarancin matsakaici, kariyar murfin ta fi kyau kaɗan fiye da kayan aikin ba tare da sarrafawa ba. Ma'aunin fasaha na maganin matakin Sa1: bai kamata saman kayan aikin ya zama mai, mai, oxide na saura, tsatsa, fenti na saura da sauran datti ba. Ana kuma kiran Sa1 da tsabtace burushi da hannu. (ko aji na tsaftacewa)
Matakin Sa2 — daidai da matakin SSPC na Amurka — matakin SP6. Amfani da hanyar tsaftace yashi, wanda shine mafi ƙanƙanta a cikin maganin goge yashi, wato, buƙatun gabaɗaya, amma kariyar rufin fiye da tsaftace goga da hannu don inganta da yawa. Matsayin fasaha na maganin Sa2: saman aikin zai kasance babu mai, datti, oxide, tsatsa, fenti, oxide, tsatsa, da sauran abubuwan waje (banda lahani), amma lahani ba zai wuce kashi 33% na saman kowace murabba'in mita ba, gami da ƙananan inuwa; Ƙaramin adadin ɗan canjin launi da lahani ko tsatsa ya haifar; Kurakuran fata da fenti na oxide. Idan akwai lanƙwasa a saman asali na aikin, ƙaramin tsatsa da fenti za su kasance a ƙasan haƙoran. Hakanan ana kiran matakin Sa2 matakin tsaftace kayayyaki (ko matakin masana'antu).
Sa2.5 – wannan shine matakin da aka saba amfani da shi a masana'antu kuma ana iya karɓarsa a matsayin buƙatar fasaha da mizani. Ana kuma kiran Sa2.5 kusa da Farin tsaftacewa (kusan fari ko kuma daga fari). Sa2.5 ma'aunin fasaha: iri ɗaya ne da ɓangaren farko na Sa2, amma lahani yana iyakance ga ba fiye da 5% na saman kowace murabba'in mita ba, gami da ɗan inuwa; Ƙaramin adadin ɗan canjin launi da lahani ko tsatsa suka haifar; Fata da lahani na fenti na Oxide.
Aji Sa3 — Daidai da SSPC na Amurka — SP5, shine babban aji na magani a masana'antar, wanda kuma aka sani da Farin Tsaftacewa Aji (ko aji na fari). Matsayin fasaha na sarrafa matakin Sa3: iri ɗaya ne da matakin Sa2.5, amma 5% inuwa, lahani, tsatsa da sauransu dole ne su wanzu.
Lokacin Saƙo: Maris-21-2022
