Desilager, mixer and spreader has drum mounted on tractor which contains endless screw with cutter blades on its outside which lie along virtual helix running in opposite direction to that of screw

摘要

The desilager, mixer and spreader has a drum (1) mounted on a tractor. This contains an endless screw (2a) with cutter blades (2b) on its outside which lie along a virtual helix running in the opposite direction to that of the screw.