Moveably mounted impact plates
The main shredding work is performed by the impact plates. One of the machine's special features is the impact plates are mounted moveably. If the impact plates get into contact with heavy parts they are able to swing away backwards. This helps to avoid serious damage to the machine caused by heavy material.

Setting of grain size
The grain size can be set using a hydraulically adjustable shutter (electric or manual also possible). The size is accomplished through the height of the gap between the bottom and the discharge flap, the grain size of the material can be set depending on the opening gap. As smaller the opening gap, as samller the outlet material.

Detection of heavy material
In order to detect heavy material, an impact sensor is installed for detecting such materials or imbalance. The impact sensor monitors the operation of the Rotacrex. When an imbalance is detected, the machine can either been stopped or the discharge flap can be opened, so that the heavy material will fall on outlet conveyor, etc.

Large maintenance door 
The machine is equipped with a large maintenance door, so heavy material could be removed after stopping of machine manually. The large maintenance door also allows access to the machine for maintenance and repair work, there is no funnel etc. to remove.