Lokacin da aka yi amfani da kakin zuma don yin tsari, ana kuma kiran simintin saka hannun jari "bataccen simintin kakin zuma".Zuba jari yawanci yana nufin tsarin simintin gyare-gyaren da aka yi da sifar da aka yi daga kayan fusible, an lulluɓe saman sifar da nau'i-nau'i da yawa na kayan da ba za a iya cirewa ba don yin harsashi na mold, sa'an nan kuma ana narke mold daga cikin kwasfa, don haka. yadda za a samu mold ba tare da rabuwa surface, wanda za a iya cika da yashi da kuma zuba bayan high zafin jiki gasa.Ana kiran simintin saka hannun jari sau da yawa "ɓataccen simintin kakin zuma" saboda yawan amfani da kayan kakin zuma don kera ƙirar.

Irin gami samar da zuba jari simintin ne carbon karfe, gami karfe, zafi-resistant gami, bakin karfe, daidaici gami, m maganadisu gami, hali gami, jan karfe gami, aluminum gami, titanium gami da nodular jefa baƙin ƙarfe, da dai sauransu.

Gabaɗaya, sifar simintin saka hannun jari yana da ɗan rikitarwa.Matsakaicin diamita na rami na simintin zai iya kaiwa 0.5mm, kuma ƙaramin kauri na bangon simintin shine 0.3mm.A cikin samarwa, ana iya ƙirƙira wasu sassa na asali waɗanda suka ƙunshi sassa da yawa zuwa gabaɗayan sashe kuma a jefa su kai tsaye ta hanyar zuba jari ta hanyar canza tsarin sassan, don adana sa'o'in sarrafawa da amfani da ƙarfe, ta yadda tsarin sassan ya kasance. mafi m.

Yawancin nauyin simintin saka hannun jari ya tashi daga sifili zuwa ɗimbin sabbin sabbin abubuwa (daga ƴan gram zuwa kilogiram ɗin dozin, gabaɗaya baya wuce kilogiram 25).Yana da wahala a yi amfani da simintin saka hannun jari don samar da simintin gyare-gyare masu nauyi.

Tsarin zuba jari yana da rikitarwa, kuma ba shi da sauƙin sarrafawa, kuma kayan da ake amfani da su da cinyewa sun fi tsada.Sabili da haka, ya dace da samar da ƙananan sassa tare da sifofi masu rikitarwa, madaidaicin buƙatun, ko wasu matsalolin aiki, irin su injin turbine.