Diesel Injector Fuel Injector 0445120064 0445120136 0445120137 Bosch na Renault Engine 240 Premium II

Ƙananan taurin harba peening barbashi sa spring surface jiyya ba wucewa;· Fatigu fracture yana da kusan kashi 1.7% na jimlar gazawar, sauran kuma shakatawa ne na gajiya.· Kwanciyar gajiya ya kasance matsala koyaushe yana rikitar da masana'antar bazara.Tun da karafa ba gaba ɗaya elastomer, micro-lalata (creep) zai faru ko da a karkashin aikin danniya a kasa na roba iyaka, da kuma tasiri na dindindin nakasawa a kan bude matsa lamba digo na injector ne kullum 0.5 Beyond MPa, da matsa lamba drop ne. yafi lalacewa ta hanyar lalacewa na ƙwallon ƙarfe ko sphere a cikin wutsiya na bawul ɗin allura da sandar fitarwa, kuma tasirinsa akan raguwar matsa lamba tsakanin 0.5 da 2.5 MPa.

(2) Sawa na lebur gaskets: (1) Flat gaskets suna da burrs, har zuwa 0.4mm;②Flat gasket abu ne mai taushi, talakawa low carbon karfe, da taurin HRC47 ~ 54 bazara karshen lamba sauki sawa da nakasawa.

(3) sandar jaki.Matsa lamba daidaita dunƙule (ko dunƙule hannun riga) da matsa lamba daidaita dunƙule fuska lamba biyu lalacewa jirgin sama: 40% na man injector bayyana a fili lalacewa a nan.Akwai dalilai guda biyu:①da lamba surface aiki aiki ne ma m, Ra 12.50 Hn, sakamakon wani matsa lamba drop fiye da 1 MPa;(2) Jirgin tuntuɓar ba daidai ba ne, wanda ke haifar da rashin daidaituwa na ƙarshen bazara wanda ke haifar da bel mai haske, sa zurfin zurfin har zuwa 0.15mm.

(4) Tasirin tsaftar allurar mai: Saboda yadda masu sarrafa man da yawa ke haifar da lalata kayan aikin injin mai ba za su iya cika ka'idodin ka'idodin kasa ba, akwai wani adadin gashin gashi da sarrafa tagulla a cikin injin mai, wanda ke haifar da lalatawar kayan aikin. yana haifar da lalacewa mara kyau na sassan allurar man fetur, wanda ke haifar da haɓakar haɓakawa, lalata hatimi da raguwar matsa lamba.