Ciid cawska dhoobada ah ee geeddi-socodka ciidda cagaaran

Green Sand Castings are castings made using wet sand or “green sand” molds. The sand is not green in color nor do the molds use “greensand,” a greenish color sandstone. Instead of the sand is called “green” because it has moisture in it (like green wood) before the sand dries out when molten metal is poured in the mold.

What gives the sand moisture and helps the sand stick together when making molds is the clay that is mixed in the sand. Bentonite clay and the sand mixed together provide strong molds that can be created on an automated assembly line.

Ciidda cawska dhoobada ah ee la jeexjeexay ayaa inta badan laga sameeyaa macdano ay ku jiraan Al2O3 iyo SiO2 oo lagu daray walxo kale oo macdan ah. Ciid aasaasi ah oo wareegsan oo lagu sameeyay budada, pelletizing, sintering iyo hababka darajooyinka. Qaab dhismeedkeeda ugu weyn waa Mullite iyo Corundum, oo leh qaab hadhuudh wareegsan, refractoriness sare, xasilloonida heerkulbeegga wanaagsan, balaadhinta kulaylka hooseeya, saamaynta iyo iska caabbinta abrasion, sifooyinka kala qaybsanaan xoog leh. Marka ciidda dhoobada ah lagu dabaqo habka ciidda cagaarka ah, waxay kordhin kartaa ciidda ceeriin waqtiyada dib loo isticmaalo, hoos u dhaca qiiqa ciidda, horumarinta wax-soo-saarka wax-soo-saarka.