Rarraba man mota bisa ga ILSAC
Rarraba ILSAC: tanadi na gabaɗaya
A cikin rabin na biyu na karni na XNUMX, Amurka da Japan sun bunkasa cikin hadin gwiwa a kusan dukkanin bangarorin ayyuka. Don haka, yawancin ma'auni, ƙayyadaddun ƙayyadaddun bayanai da sauran takaddun tsari a cikin masana'antu daban-daban a cikin waɗannan ƙasashe suna da wani abu gama gari ko kuma gaba ɗaya iri ɗaya ne. Wannan al'amari bai wuce sashin mai na motoci ba.
Gabaɗaya, akwai alamomi guda 4 da aka sani gabaɗaya don mai a cikin duniya: SAE, API, ACEA da ILSAC. Kuma na ƙarshe, rarrabuwar ILSAC ta Jafananci, ita ce ƙarami. Mun lura nan da nan cewa rabon mai zuwa nau'ikan bisa ga tsarin daidaitawar Jafananci ya shafi injunan konewa na cikin gida ne kawai na motocin fasinja. Amincewar ILSAC ba ta shafi injunan diesel ba.
Matsayin ILSAC GF-1 na farko ya bayyana a baya a cikin 1992. An ƙirƙira shi bisa ma'auni na Amurka API SH tare da haɗin gwiwar ƙungiyoyin Japan da Amurka na masu kera motoci. Abubuwan buƙatun mai na mota da aka kayyade a cikin wannan takaddar, cikin sharuɗɗan fasaha, kwafi gaba ɗaya API SH. Bugu da ari, a cikin 1996, an fitar da sabon ma'aunin ILSAC GF-2. Shi, kamar daftarin da ta gabata, kwafi ne na ajin SJ API na Amurka, wanda aka sake rubutawa a cikin hanyar Jafananci.
A yau, waɗannan nau'o'in biyu ana ɗaukar su ba su da amfani kuma ba a amfani da su don yiwa sabbin man fetur da aka samar. Duk da haka, idan mota na bukatar GF-1 ko GF-2 category man shafawa ga engine, za a iya maye gurbinsu ba tare da tsoro da fresher mai na wannan misali.
ILSAC GF-3
A shekara ta 2001, an tilasta wa masu kera injunan mai na Japan su dace da sabon ma'auni: ILSAC GF-3. A cikin sharuddan fasaha, ana kwafi shi daga ajin Amurka API SL. Koyaya, ga kasuwannin cikin gida na Japan, sabon nau'in GF-3 na mai yana da buƙatun fitar da hayaki mafi girma. A cikin yanayin tsibiran da ke da yawan jama'a, wannan buƙatu da alama yana da ma'ana.
Hakanan, mai ILSAC GF-3 ya kamata ya samar da ƙarin mahimman tattalin arzikin mai da ƙarin kariya daga lalacewa a ƙarƙashin matsanancin nauyi. Tuni a wancan lokacin, a cikin al'ummar kasar Japan masu kera motoci, an sami wani hali na rage dankon mai. Kuma wannan da ake buƙata daga ƙananan man shafawa yana ƙara kayan kariya a yanayin zafi mai aiki.
A halin yanzu, kusan ba a yi amfani da wannan ma'auni ba wajen samar da mai, kuma ba a yi wa gwangwani da sabbin man shafawa da shi ba a kasuwannin cikin gida na Japan shekaru da yawa. Koyaya, a wajen wannan ƙasar, zaku iya samun gwangwani na mai na aji ILSAC GF-3.
ILSAC GF-4
An bayar da wannan ma'auni bisa hukuma azaman jagora ga masana'antun mai a cikin 2004. Bi da bi, kofe daga ma'auni na American Petroleum Institute API SM. A cikin kasuwannin cikin gida na Japan, sannu a hankali yana barin ɗakunan ajiya, yana ba da damar zuwa aji mai sabo.
Ma'auni na ILSAC GF-4, baya ga haɓaka buƙatun don abokantaka na muhalli na hayakin iskar gas da ingancin mai, kuma yana daidaita iyakokin danko. Duk mai GF-4 ƙananan danko ne. Dankowar man shafawa ILSAC GF-4 ya fito daga 0W-20 zuwa 10W-30. Wato kawai babu ainihin mai ILSAC GF-4 akan kasuwa tare da danko, misali, 15W-40.
Rarraba ILSAC GF-4 ya yadu sosai a cikin ƙasashen da ke shigo da motocin Japan. Yawancin masana'antun man shafawa waɗanda ke samar da mai don injunan konewa na cikin motocin Japan suna samar da daidaitattun samfuran GF-4 a cikin kewayon viscosities.
ILSAC GF-5
Har zuwa yau, ma'aunin ILSAC GF-5 shine mafi girman ci gaba da yaɗuwa. Maimaita ajin na yanzu da Cibiyar Man Fetur ta Amurka ta amince da API SM petur ICEs. An sake shi GF-5 azaman jagora ga masana'antun mai na kera motoci a cikin 2010.
Baya ga karuwar buƙatun don ceton makamashi da aikin muhalli, mai na aji na ILSAC GF-5 dole ne ya kare injin gwargwadon abin dogaro yayin da yake gudana akan bioethanol. Wannan man fetur an san yana da "nauyi" idan aka kwatanta da na yau da kullun da ake samu daga man fetur kuma yana buƙatar ƙarin kariya ga injin. Koyaya, ƙa'idodin muhalli da kuma sha'awar Japan na rage hayaki sun sanya masu kera motoci a cikin wani akwati mara nauyi. ILSAC GF-5 kuma yana ba da damar samar da lubricants tare da danko da ba a taɓa gani ba a lokacin amincewa da daftarin aiki: 0W-16.
A halin yanzu, jigilar hanyoyin Jafananci da Amurka da injiniyoyin mai suna haɓaka ƙa'idar ILSAC GF-6. Hasashen farko don sakin sabunta rabe-raben mai na motoci bisa ga ILSAC an tsara shi don Janairu 2018. Koyaya, a farkon 2019, sabon ma'aunin bai bayyana ba.
Duk da haka, akan albarkatun harshen Ingilishi, sanannun masana'antun man fetur da ƙari sun riga sun sanar da bayyanar sabon ƙarni na mai na mota tare da daidaitattun ILSAC GF-6. Akwai ma bayanin cewa sabon rabe-raben ILSAC zai raba ma'aunin GF-6 zuwa sassa biyu: GF-6 da GF-6B. Menene ainihin bambanci tsakanin waɗannan ƙananan azuzuwan har yanzu ba a san tabbas ba.
