Characteristics of Vertical Shaft Impact Crusher (Sand Making Machine): Simple structure and low operating cost; High crushing ratio with low consumption; Function of fine crushing and crude grinding Slightly influenced by moisture content of material, and the max moisture content is about 8%; More suitable for crushing mid-hardness and high hardness materials; Cubic shape of final products, high density of piling up and low iron pollution; More wearable and easier maintenance; Low working noise (lower than 75 decibel) and light dust pollution.