Adhering sand phenomenon is due to the high temperature liquid metal castings and sand interaction between the physical and chemical reaction.Commonly used method to avoid adhering sand castings has the following kinds:1, use more tiny sand foundry sand.2, in the process of sand mold casting in the mold or core surface evenly reasonable good fireproof paint.In 3, the sand mold casting mold more pores.4, try to use high purity and high sintering point foundry sand.
ice life, serious and even damage the mechanical processing equipment.