Ramin tsakiya na shingen motar shine ma'auni na shaft da na'ura mai juyi.Ramin tsakiya akan shaft shine madaidaicin matsayi don mashin motar da juyi juyi, niƙa da sauran hanyoyin sarrafawa.Ingancin rami na tsakiya yana da babban tasiri akan daidaitaccen aiki na kayan aiki da rayuwar tip kayan aikin injin.
Akwai manyan nau'ikan rami guda uku: Nau'in ramin taper mara kariya, ana amfani da shi don ramukan da baya buƙatar riƙe rami na tsakiya;Nau'in B tare da rami mai kariya na digiri 120, wanda zai iya guje wa lalacewar babban mazugi na digiri 60, kuma shine mafi dacewa da samfuran mota.Ramin tsakiya da aka saba amfani da shi;Ramin nau'in C yana da ramukan dunƙule, wanda zai iya gyara wasu sassa;idan ya zama dole don haɗawa da gyara sassa a kan shaft ko sauƙaƙe haɓakawa, ana amfani da ramin tsakiya nau'in C gabaɗaya;Motoci na tsaye da injinan jan hankali an fi amfani da rami na tsakiya mai siffar C.
Lokacin da abokin ciniki ya buƙaci yin amfani da rami na tsakiya na nau'in C, ya kamata a ambaci shi a cikin buƙatun fasaha na odar motar, in ba haka ba masana'anta za su aiwatar da shi bisa ga ramin nau'in B, wato, don biyan buƙatun asali. masana'antar jikin motar da kuma kiyayewa daga baya.
GB/T 145-2001 "Central Hole" shine sigar halin yanzu na daidaitattun, wanda ya maye gurbin GB/T 145-1985, wanda shine ma'aunin shawarar ƙasa.Koyaya, da zarar an karɓi mizanin da aka ba da shawarar, yakamata a sarrafa shi gwargwadon girman ƙayyadaddun ƙayyadaddun ma'auni, wanda shine ka'ida don tabbatar da cewa masana'anta da masu amfani sun bi.
A cikin aiwatar da injin motar motsa jiki da na'ura mai juyi, rami na tsakiya shine mabuɗin mahimmancin kula da inganci.Idan saman rami na tsakiya ya lalace, ko kuma akwai abubuwa na waje a cikin ramin, sassan da aka sarrafa na iya ba su cika buƙatun ba, musamman ga sassa iri ɗaya na motocin.Ikon axis yana da tasiri sosai.A cikin tsarin kula da motar, yawancin ramukan tsakiya za a yi amfani da su.Sabili da haka, rami na tsakiya na shingen motar zai bi duk rayuwar rayuwar motar.
A cikin ainihin gyaran mota ko gyare-gyaren gyare-gyare, rami na tsakiya na motar motar na iya lalacewa saboda wasu dalilai.Misali, a lokacin da ake canza injin mai hawa biyu zuwa injin mashigar guda daya, ayyuka da yawa suna tsinke mashigin taimako kai tsaye.Ramin tsakiya kuma ya ɓace daga nan, kuma wannan nau'in na'ura mai juyi yana rasa ainihin yanayin gyara aikin injiniya.
Lokacin aikawa: Afrilu-07-2023