Diesel Injector Fuel Injector 095000-6790 Denso Injector na Shangchai 6D114, Sc9dk

Babban abin da ke cikin injector shine ma'auratan bututun ƙarfe, wanda aka sanya a cikin ƙananan sashin jiki na injector, wanda ya ƙunshi bawul ɗin allura da bawul ɗin allura, tare da izinin 0.0015 ~ 0.0035mm. Allura bawul sealing mazugi da allura bawul jiki bayan nika juna don samar da annular sealing bel, da nisa ne kullum 0.25 ~ 0.3mm. Tsare-tsare na annular tsakanin ɓangaren silinda na shugaban bawul ɗin allura da bututun ƙarfe na jikin bawul ɗin allura shine gabaɗaya 0.005 ~ 0.025mm. Saboda haka, nau'i-nau'i nau'i-nau'i za a iya amfani da su kawai bi-biyu ba za a iya musanya su ba. Ma'auratan bututun ƙarfe sun kasu kashi biyu: nau'in rami da nau'in allura, inda nau'in ramin ya kasu zuwa nau'in rami ɗaya da nau'in porous; An raba nau'in allura na shaft zuwa nau'in allura na shaft da nau'in maƙura.

Single-rami bututun ƙarfe ne mafi yawa amfani a cikin 90 jerin da 95 jerin dizal injuna, irin su ZCK22S147, yayin da Multi-rami bututun ƙarfe ne mafi yawa amfani a 135 jerin, ZH1105W, Jiefang6110A dizal injuna, irin su ZCK150S435, ZCK154S1532,5S. A farkon allura, bawul ɗin allura ya tashi, kuma ana fitar da man fetur mai ƙarfi daga ramin jet. Saboda ramin jet yana karami, karfin allurar ya fi girma, kuma atomization ya fi kyau. Kamata ya yi a yi amfani da bututun mai da aka rutsa da shi domin a yi daidai da shigar da man a cikin dakin konewa. Saboda tsangwama tsakanin juna na ramukan allura a cikin rami na ajiyar mai da kuma iyakancewar ƙarfi a saman wurin zama, yawancin amfani da ramukan allura 4 ~ 5. Don haɓaka kusurwar feshin rami guda ɗaya, yakamata a rage girman tsayin ramin fesa zuwa diamita na ramin fesa. Idan an jaddada shigar da fesa, ya kamata a ƙara yawan rabo na sama. 2.2 Akwai rami ɗaya kawai a ƙarshen ƙarshen allurar bawul ɗin allurar allurar shaft, tare da buɗewar gabaɗaya na 1 ~ 3mm.