The CCS Shaftless Screw Conveyor consists of an Archimedean screw, without internal shaft, driven by a power transmission rotating inside a trough carrying material loaded through one or more hoppers, to one or more discharge troughs.

The machine can be designed in a “pull” configuration, i.e. it pulls the material from the inlet towards the outlet, being the drive after the outlet spout, or in a “push” configuration when the material is pushed by the spiral towards the discharge.

The power transmission can be direct, with the gearbox output shaft directly connected with the screw flange, or can be a chain system. The CCS Shaftless Screw Conveyors are suitable to convey clogging materials, such as sludges or scree-nings, which otherwise would tend to stick to the shaft of the screw.