Fasahar yin wasan kwaikwayo
Narkewa
Samun babban zafin jiki da ƙarancin sulfur tsarkakakken ƙarfe mai zafi shine mabuɗin don samar da ƙarfe mai inganci mai inganci. Kayan aikin samarwa na cikin gida galibi sun dogara ne akan cupola, kuma ƙarfe mai zafi ba jiyya ba ce ta pre-desulfurization; Wannan yana biye da ƙarancin ƙarfe na alade mai tsabta da ƙarancin ingancin coke. Narkar da baƙin ƙarfe yana narkar da shi a cikin cupola, a narkar da shi a waje da tanderun, sa'an nan kuma ya yi zafi kuma a daidaita shi a cikin tanderun ƙaddamarwa. A kasar Sin, gabaɗaya an gudanar da gano narkakkar baƙin ƙarfe ta hanyar injin karanta spectrometer.
yin gyare-gyare
Tsarin gyare-gyaren tasirin iska a fili ya fi aikin gyare-gyaren yashi na yumbu, kuma yana iya samun madaidaicin simintin gyare-gyare na crankshaft. Yashi mold samar da wannan tsari yana da halaye na babu rebound nakasawa, wanda yake da muhimmanci musamman ga Multi-jefa crankshaft. Wasu masana'antun crankshaft na gida daga Jamus, Italiya, Spain da sauran ƙasashe don gabatar da tsarin gyare-gyaren iska, amma gabatarwar duk layin samarwa shine kawai ƙaramin adadin masana'anta.
Electroslag simintin gyare-gyare
Ana amfani da fasahar remelting na Electroslag wajen samar da crankshaft, ta yadda aikin simintin gyare-gyare na iya zama kwatankwacin na jabun crankshaft. Kuma yana da halaye na sake zagayowar ci gaba da sauri, ƙimar amfani da ƙarfe mai ƙarfi, kayan aiki mai sauƙi, ingantaccen aikin samfur da sauransu.