Sand making machine 1, simple structure, small abrasion; 2, high crushing efficiency; 3, cubic final sand. Sand Making Machine Working Principle:1. Center Feeding:Raw material falls down into ... product.6. Little noise and dust pollution. 7. Convenient performance, maintenance, installation.Vertical Shaft Impact Crusher SpecificationModelImpellerSpeed (r/min)Max Feed-in size(mm)Capacity ...