nau'in Z12A na kulle-kulle

Hannun faɗaɗawa (gajeren don carbylamine), haɗaɗɗen kullewa (gajeren carbylamine) sabon tushe ne na injina na zamani.
Wani sabon nau'in nau'in na'urar haɗakarwa mara waya ce da aka yi amfani da shi sosai a cikin duniya don gane haɗin sassa na injin da ramuka, kuma yana fahimtar jigilar kaya ta hanyar ƙara matsa lamba da gogayya da aka haifar tsakanin abubuwan haɗawa tare da 12.9 babban ƙarfin sukurori. A matsayin sashe na asali na ci gaba, ƙasashen da suka ci gaba na masana'antu irin su Jamus, Japan da Amurka a cikin 1980s sun yi amfani da wannan sabuwar fasaha sosai don haɗin injina ƙarƙashin nauyi mai nauyi. A cikin haɗin da ke tsakanin dabaran da shaft, na'urar haɗin da ba ta da maɓalli ne wanda ke gane jigilar kaya ta hanyar ƙara matsa lamba da ɓarke ​​​​da aka haifar tsakanin farfajiyar da ta haɗa ta hanyar ƙara ƙarfin ƙarfi mai ƙarfi, don gane haɗin tsakanin sassan injin. (kamar Gears, Flywheels, Pulley, da dai sauransu) da shaft don canja wurin kaya. Ana amfani da shi ta hanyar aiki na ƙwanƙwasa mai ƙarfi, don haka tsakanin zobe na ciki da shaft, zobe na waje da ƙafar ƙafa don samar da babban ƙarfin riƙewa; Lokacin da aka ɗauka nauyin, haɗin haɗin gwiwar hannun hannu na fadadawa da sassa na inji yana dogara da shi kuma sakamakon da ya haifar yana watsa juzu'i, ƙarfin axial, ko haɗin haɗin biyu.