Shanghai shibang vertical shaft impact crusher also be called sand making machine, is constructed with an exclusive combination of features that provide complete cubical shape of the crushed product, gradation control, and high production yield. For getting cubical crushed product, sand making machine should be used as secondary crusher.

Material from entering hopper into the crushing machine, through the sub-feeder the material is divided into two parts, one part from the sub-feeder middle into the high-speed rotation of the impeller, in the impeller being rapidly accelerated, and the other part in the form of streaming umbrella around the impeller high-speed impact with the crushed material produced in the whole, under the crushing process, the impact of broken material with each other on their own, not in direct contact with the metal components,

1. Has ability to control product grading.
2. The size of fine products can be adjustable minimum to maximum.
3. High efficiency, low energy consumption.
4. Low operation cost and easy operation.
5. Simple maintenance.