Sand Making Machine (namely PCL vertical shaft impact crusher) is of high-power and low-consumption, which is designed depending on several years’ hard work and study of mechanical mining equipment. Sand Making Machine absorbs advanced technology of the same products of liming Company of America, now it is of the international level. Sand Making Machine plays an important role in crushing minerals into pieces. PCL vertical shaft impact crusher is widely used in all kinds of minerals, cement, refractory material, carborundum grain, glass raw material, construction sand, stone stock and all kinds of metallurgy slag, especially carborundum, sintered bauxite, magnesite, such materials are with features of very hard and anticorrosion. And Sand Making Machine is more productive than other kind of crushers.

1. Simple structure and low operating cost; 2. High crushing ratio with low consumption; 3. Function of fine crushing and crude grinding; 4. Slightly influenced by moisture content of material, and the max moisture content is about 8%; 5. More suitable for crushing mid-hardness and hardness materials; 6. Cubic shape of final products, high density of piling up and low iron pollution; 7. More wearable and easier maintenance; 8. Low working noise (lower than 75 decibel) and light dust pollution.

load through boot into the vertical shaft impact crusher. The materials are divided into two parts by the distributor. One enters rapidly rotating impeller through middle of the distributor. Then the impeller speeds up immediately with acceleration hundreds of times higher than acceleration of gravity. The materials are thrown out through 3 evenly distributed flow passages from the impeller at a speed of 60-70m/s to be crushed together with the part of materials left around the distributor, and then impacted to the material lining in vortex cavity branch. After rebound by the lining, the materials are impacted transversely upward to top of the vortex cavity, and then move downward. Materials transmitted from flow passages of impeller form a continuous material curtain. A piece of material undergoes random impact, friction and grinding for at least twice in the vortex crushing cavity. The crushed materials are discharged through discharge slot on the lower part. The equipment forms closed circuit with circulative screening system. Generally, the materials will become less than 20 meshes after circulation for 3 times. During the whole crushing process, the materials impact and crush with each other. Not contacting directly with metallic components, the materials are crushed by impact and friction with the lining, so as to reduce corner pollution and extend the time of mechanical wear. Dust pollution is eliminated by ingenious self-circulating air in the vortex cavity.

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