Vacuum simintin kuma ana kiransa Simintin Matsi mara kyau, Rage Simintin Matsi koV Tsarin Casting. Yin simintin matsi yana buƙatar amfani da kayan aikin haƙon iska don fitar da iskar da ke cikin simintin simintin, sannan a yi amfani da bambancin matsa lamba tsakanin ciki da wajen ƙirar don rufe fim ɗin filastik mai zafi akan tsari da samfuri. Samfurin simintin gyare-gyaren zai zama mai ƙarfi da zai iya jure narkakken ƙarfe yayin yin simintin. Bayan samun injin injin, cika akwatin yashi da busasshiyar yashi ba tare da ɗaure ba, sannan a rufe saman saman yashi da fim ɗin robobi, sannan a saka vacuum don sanya yashin ya tsaya tsayin daka. Bayan haka, cire mold, sanya ginshiƙan yashi, rufe ƙirar don yin komai a shirye don zubawa. A ƙarshe, ana samun simintin gyare-gyaren bayan an sanyaya narkakken ƙarfe da ƙarfafa.
Ƙarfin simintin gyare-gyare, wanda shine wakilcin rukuni na simintin ƙarfe, wanda kuma ake kira nodular iron. Nodular simintin ƙarfe yana samun graphite nodular ta hanyar spheroidization da inoculation magani, wanda yadda ya kamata inganta inji Properties na simintin ƙarfe, musamman roba da taurin, don samun mafi girma ƙarfi fiye da carbon karfe. Ƙarfin ƙarfe ba abu ɗaya ba ne amma yana cikin rukuni na kayan da za a iya samar da su don samun nau'o'in kaddarorin ta hanyar sarrafa microstructure. Halayen ma'anar gama gari na wannan rukuni na kayan shine siffar graphite. A cikin baƙin ƙarfe ductile, graphite yana cikin nau'i na nodules maimakon flakes kamar yadda yake a cikin baƙin ƙarfe.
Fa'idodin Tsarin Simintin Matsala
1) Thevacuum simintin gyare-gyaresuna da daidaiton girman girma, bayyananniyar shaci da santsi.
Saboda fuskar samfurin an rufe shi da fim din filastik, babu buƙatar girgiza ko bugawa lokacin da aka cire mold. Tsuntsaye da matsa lamba mara kyau suna sanya yashi mai gyare-gyaren ya zama m, kuma taurin yashin yashi yana da girma kuma bai dace ba. Ƙarƙashin zafi na narkakkar karfe, rami ba shi da sauƙin lalacewa. Bugu da ƙari, kasancewar matsa lamba mara kyau yana da kyau ga cikakken cika narkakken ƙarfe a cikin samfurin. Ƙaƙƙarfan filaye na simintin aikin V na iya isa Ra = 25 ~ 2.5μm. Matsayin juriyar juzu'i na simintin gyare-gyare na iya kaiwa CT5 ~ CT7. Halin bayyanar da simintin gyare-gyare mara kyau yana da kyau, kuma ingancin ciki ya dogara.
2) Babu masu ɗaure, ruwa da ƙari a cikin yashi mai gyare-gyare, wanda ke sa aikin yashi mai sauƙi.
3) Yana da sauƙi don tsaftace ɓangarorin vacuum. Ana haifar da ƙarancin iskar gas mai cutarwa yayin aikin simintin.
4) Za a iya amfani da simintin gyaran kafa a masana'antu da yawa. Ana iya amfani da shi don samar da ƙananan guntu guda ɗaya da kuma samar da taro, musamman manyan simintin gyare-gyare da matsakaita da simintin simintin gyare-gyare sun fi dacewa da simintin gyaran fuska.
Me yasa kuka Zaba Gidan Kafa na RMC don Castings na Musamman na Vacuum?
• Sauƙaƙe dawo da yashi saboda ba a amfani da masu ɗaure
Yashi baya buƙatar gyara injina.
• Kyakkyawan iska mai kyau saboda babu ruwa yana haɗuwa da yashi, saboda haka ƙananan lahani.
• Mafi dacewa da manyan simintin gyare-gyare
• Tasirin tsada, musamman don manyan simintin gyare-gyare.
