Masana'antu famfo - inji famfo kulawa lura:

Ƙara karfe tace a kan inji famfo shigo;
Don kulawa da injin famfo, dauki makonni biyu don sake zagayowa, tsaftace sediments a cikin tanki, tilasta maye gurbin injin famfo man fetur, tsaftace karfe tace, duba, maye gurbin karya bawul, spring aiki hanyoyin.
A kan zaɓin injin famfo man fetur bukatun, ya kamata a zaɓi ma'adanai man fetur da cike da iska matsin lamba low, motsi viscosity ne 100mm2 / s, da man fetur yana da low farashi halaye (ga titanium narkewa, zaɓin gargajiya injin famfo man fetur, tattalin arziki ne m);
A lokacin sanyaya na casting ingot ko samar da free lokaci, buƙatar samar da rukunin bude gas town bawul, zai famfo gas town a kusa da lh, ya fitar da ruwa a cikin famfo man fetur kamar yadda zai yiwu daga famfo; Ta hanyar aiki canza famfo man fetur, kiyaye mai tsabta na famfo rumbun, tabbatar da m viscosity na famfo man fetur, kiyaye da hatimi aiki, kuma za a iya rage wuya granules a famfo rumbun scratches;
Ta hanyar kawar da ruwa a cikin man fetur, rage samar da hydrochloric acid, jinkirta lalata da hydrochloric acid ga abubuwan da ke cikin famfo.