... Name:gear,rocker arm,support roller,roller boss,pinion,trunnion,bearing support,support frame,track roller,shell,hub,rudder,sternpost,quill ... ; Remove the pattern;Fill the mold cavity with molten metal;Allow the metal to cool;Break away the sand mold and remove ... Sand casting, also known as sand molded casting, is a metal casting process characterized by using sand as the mold material ...