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SD VSI crusher incorporates three crushing types and it can be operated 720 hours continuously. Nowadays, VSI crusher has replace hammer crusher roller crusher, roller ball mill, etc. and become the mainstream equipment in sand making business.

Technological advantages:
VSI crusher incorporates three crushing styles; its feeding style incorporates material on material, materials on iron and falling at sides. Customers can adjust the machines according to their own demand. VSI crusher realizes multiple functions in one machine, which is a big breakthrough in sand making field.

Better quality and high efficiency:

1. Better design of the impellers reduces the resistance of materials, highlighters passing through quantity of materials and crushing ratio, so the efficiency is raised by 30%-60% compared to traditional machines.

2. Hydraulic system allows automatic uncovering, which reduces labor intense and makes maintenance easier.

3. The mainframe adopts new techniques, which strengthens the machine structure and tenacity, and ensures stable performance. The quality of the machines is lift to a higher level.

4. VSI crusher employs world advanced light oil anti-leakage device. This saves the trouble of changing oil seal.

Feed at center: 
After materials are fed into the hopper, they are, through a central feeding hole, thrown to the impellers, which are rotating at a high speed. Then, the material are accelerated and thrown out of impeller area. These part of materials, first, impact on the other part of materials, which are falling down, and then, they together strike on the material layers or on impact blocks. Due to rebound, they will back to top of crushing cavity and again be shot back to stick on another part of materials which are shot from the impeller flow and form a continuous material curtain. The final products will be discharged from the discharge open at the bottom.