Diesel Injector Fuel Injector 0445120289 Bosch na Cummins Isbe Isde Qsb6.7

Wani misali kuma shi ne rufaffiyar man fetur mai rufaffiyar rami biyu da aka yi amfani da ita a injin dizal 6120. Diamita na rami na allurar shine 0.42mm kuma matsa lamba na allura shine 17.5M Pa. Ka'idar aiki na injector shaft allura daidai yake da na injector rami, kawai tsarin ya bambanta: a ƙarƙashin mazugi mai rufewa a ƙarshen ƙarshen. daga cikin bawul ɗin allura, allurar shaft tana fitowa daga cikin rami, kuma siffarta tana iya jujjuya ta ko siliki, ta yadda bututun ya zama tsagewa madauwari. Ta wannan hanyar, ginshiƙin allura zai zama mazugi mai zurfi ko ginshiƙi. Girman sashin rami na allura da kusurwar mazugi na allura ya dogara da ɗagawa da siffar allurar shaft, don haka ana buƙatar sarrafa sifar allurar ta zama daidai sosai. Shaft allura bututun bututun bututun ƙarfe diamita ne babba (gabaɗaya 1 ~ 3mm), allura matsa lamba ne low (gaba daya 10 ~ 14MPa), ikon tsaftacewa yana da ƙarfi (ramin allura ba sauƙin tara carbon da toshewa), halayen allura suna da kyau (haɗuwa). Abubuwan da ake buƙata na ƙarancin allurar mai a farkon, ƙarin allurar mai a tsakiya da ƙarancin allurar mai a baya), Ya dace da ɗakin konewar ɗakin vortex da ɗakin precombustion. ɗakin konewa tare da ƙananan buƙatu akan ingancin tace dizal. Misali, bututun ƙarfe diamita na 4125A4 dizal engine ne 1.5mm da allura matsa lamba ne 12.7M Pa. Uku, low inertia man injector gargajiya man injector sanda ne dogon, matsayi na matsa lamba regulating spring ne nisa daga allura bawul. don haka bawul ɗin allura sama da ƙasa motsi inertia yana ƙaruwa, tasirin bawul ɗin allura a kan shingen shinge yana ƙaruwa, amsawar bawul ɗin allura zuwa karfin man fetur yana raguwa.