VSI crusher,Sand making machine: 1.ISO9001:2000 2.Price:negotiable 3 ... into the impeller from the head of the machine and with the function of high-speed centrifugal force ... After mutual impaction and between the impeller and the machine shell, the materials will move like a vortex ... screening equipment, and discharge from the bottom of the machine. Specification: ModelFeeding Max(mm)Power of motor(Kw) ...