B series VSI crusher is a new type sand making machine,based on long professional experience and according to customers' suggestion, it also called vertical shaft crusher. It shows excellent performance in manufactured sand making process,which can deal with all kinds of rocks, stone, gravel, crusher fines, slag, mine waste and tailing. It's technology and modern processing equipment make it a leading role in this industry.Get Price
Vertical shaft impact crusher sets the "material against material", "material against iron" and "waterfall down feed" with a suit. The working principle of sand making machine has mainly stone hit the stone (material against material) and stone hit iron (material against iron).
Stone hit the stone (material against material): through the hopper, the material enters into the crusher, and is divided into two parts by bulk cone. A portion of materials falls into the high-speed rotation swing wheel, and is rapidly accelerated. Then it is thrown away from the swinging wheel. This parts material hit another part material, which falls down from all round of the bulk cone.
Stone hit iron (material against iron): The basic work principle is similar with "stone hit the stone". The difference is that the crushing cavity of "stone hit stone" installs the impact board, and the material forms material lining. But "stone hit iron" use the around guard plate replaced the lower guard board, and the material directly impact on the around guard plate and broken.
Excellent design of the impeller reduces the resistance of the materials. High pass-through volume and high crushing ratio;
Unique feeding method, changing between central feeding and central feeding with cascade feeding makes rock on rock and rock on iron possible;
Design and arrangement optimization of wear resistant material makes that the service life is improved by more than 40%, and cost is reduced by more than 40%;
Hydraulic system allows automatic uncovering, which reduces labour intense and makes maintenance easier.
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