An fi amfani da kayan da aka fi amfani da ƙarfe: saboda ƙarfin ƙarfi da ƙarfi mai kyau, ya dace da yanayin nauyin tasiri mai girma; Duk da haka, wajibi ne a kula da manyan ƙanƙara, sauƙi don samar da pores da shrinkage.
Tsarin yana buƙatar dacewa da tsarin simintin gyare-gyare:
Kaurin bangon Uniform don guje wa sauye-sauyen kwatsam da hana fashewar thermal da raguwa;
Saita mai tashi da baƙin ƙarfe mai sanyi don cimma daidaiton tsari;
Jagoran ƙirar ya kamata ya zama gangare (yawanci Kasa da ko daidai da digiri 3).
Nakasu na yau da kullun da martani
Lalacewar gama gari: porosity, shrinkage, sako-sako, fasa (musamman a canjin sashe kwatsam).
Ƙirar Ƙira:
Rage nodes masu zafi kuma inganta shimfidar haƙarƙari;
Ana amfani da tsari mai kauri ko wani yanki mai kauri don sassa masu kauri;
Matsa lamba{0}bangaren ɗaukar nauyi (kamar saman hawa na hydraulic cylinder) yana buƙatar tabbatar da matsewar iska.
