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sand maker is a kind of advanced stone-crushing equipment in home and abroad with high-efficiency, which is designed by adopting the stone-beating-stone theory and technology from Barmac Company of America. The vertical shaft impact crusher is widely used for crushing hard and brickle materials including various minerals, abrasive material, refractory material, cement, quartz, iron ore, etc.Sand maker is specially suitable for making sand for buildings, road building. The vertical shaft impact crusher consists of inlet, material-scattering device, whorl crushing chamber, impeller, main shaft, base, transmission drive, motor, etc.Working process: Materials fall from the upper part of the machine to impeller which rotates at a high speed. Under great centrifugal force, they hit materials scattered around the impeller. After hitting each other at a high speed, there forms a vortex between impeller and shell. Materials hit and abrase each other for several times, finally smaller pieces come out through downside outlet, then go to vibrating screen which controls the size of final product.Working characteristics of sand maker: 1. Simple structure and low cost owning to sand maker; 2. High efficiency, low consumption and high crushing ratio; 3. Suitable for fine crushing and crude grinding; 4. Slightly influenced by moisture content of material and the max moisture content is 8%; 5.Suitable for crushing mid-hardness and extra hard materials (like corundum, agglomeration aluminium, etc.); 6. Cubic shape of final products and low iron pollution; 7. Impeller and material layer in the crushing cavity can prolong service lifetime of easy-worn parts and avoid maintenance; 8. Easy operation and installation; 9. Low working noise (lower than 75 decibel); 10. Light weight and various ways of installation, and portable installation, etc. Specifications of sand maker: ModelRotate speed of impeller (r/min)Max feed size (mm)Power (kW)Weight (including motor) (t)Output capacity (t/h)Overall dimensions (mm)PCL-6002000-2600302×305.610-302800×1550×2030PCL-7501600-2100352×457.530-503300×1800×2440PCL-9001300-1700402×551250-803750×2120×2660PCL-10501100-1450452×1101670-1204480×2450×2906PCL-1250950-1200452×1322280-1504563×2650×3176PCL-1350900-1200502×16026120-2005340×2940×3650 : :