Insimbi Forgings for Ship

Impahla yale ngxenye efojiwe:

I-14CrNi3MoV (921D), ifanele izinsimbi zensimbi ezinogqinsi olungeqile ku-130mm olusetshenziswa emikhunjini.

Inqubo yokukhiqiza:

Insimbi ebunjiwe kufanele incibilikiswe kusetshenziswa isithando somlilo sikagesi kanye nendlela yokuncibilikisa i-slag kagesi, noma ezinye izindlela ezigunyazwe uhlangothi lwesidingo. Insimbi kufanele ibe ne-deoxidation eyanele kanye nezinqubo zokucwenga okusanhlamvu. Lapho ufaka ingot ngokuqondile engxenyeni ehlanganisiwe, isilinganiso sokubumba somzimba oyinhloko wengxenye akufanele sibe ngaphansi kuka-3.0. Isilinganiso sokubumba sezingxenye eziyisicaba, ama-flange, nezinye izingxenye ezinwetshiwe zengxenye efojiwe akufanele zibe ngaphansi kuka-1.5. Lapho uhlanganisa i-billet ibe ingxenye ehlanganisiwe, isilinganiso sokubumba somzimba oyinhloko wengxenye akufanele sibe ngaphansi kuka-1.5, futhi isilinganiso sokubunjwa sezingxenye eziqhamukayo akufanele sibe ngaphansi kuka-1.3. Izingxenye ezifojiwe ezenziwe ngama-ingot noma ama-billet afojiwe kufanele zithole i-dehydrogenation eyanele kanye nokwelashwa kokuthungatha. Ukushiselwa kwamabhilidi ensimbi asetshenziselwa ukukhiqiza izingxenye ezihlanganisiwe akuvunyelwe.

Isimo sokudiliva:

Ingxenye efojiwe kufanele ilethwe isesimweni esipholile futhi esithukuthele ngemva kokujwayelekile ukwelashwa kwangaphambili. Inqubo enconyiwe ingu-(890-910)°C normalizing + (860-880)°C quenching + (620-630)°C tempering. Uma ubukhulu bengxenye efojiwe bungaphezu kuka-130mm, kufanele ifudumale ngemva komshini onzima. Izingxenye ezifojiwe eziqinile akufanele zithole ukukhululeka kwengcindezi ngaphandle kwemvume yohlangothi lwesidingo.

Izakhiwo zemishini:

Ngemuva kokwelashwa kokushisa, izakhiwo zemishini zengxenye ehlanganisiwe kufanele zihambisane nemininingwane efanele. Okungenani ukuhlolwa komthelela emazingeni okushisa angu- -20°C, -40°C, -60°C, -80°C, no--100°C kufanele kwenziwe, futhi amajika ezinga lokushisa elithinta amandla aphelele kufanele ahlelwe.

Ukufakwa okungezona ezensimbi nosayizi wokusanhlamvu:

Izingxenye ezifojiwe ezenziwe ngama-ingots kufanele zibe nesilinganiso sosayizi wokusanhlamvu hhayi amaholoholo kuno-5.0. Izinga lokufakwa kohlobo lwe-A ensimbi akufanele lidlule i-1.5, futhi izinga lokufakwa kohlobo lwe-R akufanele lidlule i-2.5, nesamba sakho kokubili esingadluli ku-3.5.

Ikhwalithi yobuso:

Izingxenye ezifojiwe akufanele zibe nokukhubazeka okubonakalayo okufana nokuqhekeka, ukugoqa, izimbotshana ezishwabeneyo, izibazi, noma okungeyona ingxenye yensimbi yangaphandle. Ukonakala kwendawo kungalungiswa kusetshenziswa ukuklwebha, ukucwecwa, ukugaya ngesondo lokugaya, noma izindlela zomshini, ukuqinisekisa imvume eyanele yokuqeda ngemva kokulungiswa.