... , simple structure, small abrasion 3, high crushing efficiency; 4, cubic final sand picture of sand making crushing machine PCL-600 descripation ... 60-75m/s. When hitting impact plate, it is crushed. Final products come downwards though outlet.2. Ring Feeding:Raw material ... and most hard materials can be crushed. 5. Cubic shaped final product.6. Little noise and dust pollution. 7. Convenient performance ...