High Quality Common Rail Diesel / Fuel Injector NozzleDLLA148P062

Ongororo yekuti sei jekiseni muromo wakanamira mumajekiseni. (Chikamu 3)

2.3.2 Kuomarara kwepamusoro pemuromo ndeye 720HV1～780HV1, ukobvu hwekabhuradhi inosvika 0.6mm～0.8mm, uye yakachengetwa austenite haifanire kudarika 15%. Kuoma kwepamusoro pekutanga simbi chitambi nhamba HHM nozzle iHV0.2588, iyo yakadzikira zvakanyanya pane zvinodiwa dhizaini, ukobvu hweiyo carburized layer ndeye 0.6mm, nhanho yemartensite ndeye 2, uye yakachengetwa austenite idanho 1; kuomarara kwepamusoro kweiyo yekutanga chitambi nhamba HD nozzle zvakare yakadzikira paHV1615 Zvinoenderana nezvinodiwa zvekugadzira zveHV1720, ukobvu hweiyo carburized layer i0.86mm, mwero wemartensite idanho 4, uye mwero wekuchengetwa austenite idanho 3. . Iko mukati megomba kuoma kwezviputi zviviri hazvina kusangana nezvinodiwa zvekugadzira. Zvinhu zvevhavha yetsono ndeye W6Mo5Cr4V2, chiyero chenyika chinoda kuti zvinyorwa zveC zvive 0.8% kusvika 0.9%, uye V zvinyorwa zvive 1.75% kusvika 2.20%. Iyo yakayerwa yekutanga chitambi nhamba HD tsono vharafu C yemukati ndeye 0.7%, V yemukati ndeye 1.09%, uye iyo C uye V yemukati yakaderera pane yenyika zvinodiwa;

2.3.3 Chinyorwa cheC chetampu yekutanga nhamba yeHHM tsono valve ndeye 0.72%, zvinyorwa zveV ndeye 1.19%, uye zvinyorwa zveC uye V zvakaderera pane zvinodiwa nenyika. Zvimwe zvikamu zvealloy zvevhavha-yetsono mbiri zviri mukati mehutano hunodiwa nehuwandu hwenyika. Izvo zvinhu zvemuputi ndeye 18Cr2Ni4WA, iyo C yemukati yechitambi nhamba yekutanga HD nozzle ndeye 0.20%, uye chiyero chenyika chinoda 0.13% kusvika 0.19%, uye zviri mukati meimwe alloy zvinhu zvemupumburu zviri mukati mechikamu. zvinodiwa nemutemo wenyika. Zvese zvinosanganisa zvinhu zvekutanga simbi chitambi nhamba HHM nozzle zviri mukati mechikamu chinodiwa nechiyero chenyika.