Sand Casting Sand casting consists of: Sand Casting 1.Placing a pattern(模样) Spruo Ricer Cope having the desired shape of Drag the casting in sand to make Dreg Wood pattern of casting The top halt is filed an imprint. Steol contairors (cope)wth sand and The casting pattern for tha sand. metal flow pathe are 2.Incorporating the gating is surrounded with sand. put in (sprue,gates.risers). system(浇铸系统) 3.Removing the pattern and The pattern is filling the cavity with molten removed and the casting is metal. poured. 4.Allowing the metal to cool Sorues,gates.and riaers are removed and solidify 5.Breaking away the sand mold to remove the casting 6.Removing the sprue(注入 口)and the riser(冒口). Shanghai Jiao Tong University 9Shanghai Jiao Tong University 9 Sand Casting Sand casting consists of: 1. Placing a pattern（模样） having the desired shape of the casting in sand to make an imprint. 2. Incorporating the gating system（浇铸系统） 3. Removing the pattern and filling the cavity with molten metal. 4. Allowing the metal to cool and solidify 5. Breaking away the sand mold to remove the casting 6. Removing the sprue（注入 口） and the riser（冒口）