At present,most factory will choose shafted screw conveyors on food,electricity,metallury and medicine fields.Actually,there exist some materials whose size is big,hard ,sticky and easy to be caked. If choosing shafted screw conveyor to transport these materials,materials will be adherred on screw flights so as to cause blocking problems and damage the bearings and conveyors.
In this case ,shaftless screw conveyor can solve such blocking problems.Because shaftless screw conveyor has no center shaft on screw flights.Shaftless screw conveyors are made up of shaftless screw flight,U trough,lining plate,inlet ,outlet ,cover (if necessary ),drive device,casing,head section ,tail component,stuffing box,etc.
Shaftless screw conveyor’s structure is different than shafted screw conveyor.Its advantages are as below : suitable for transporting sticky and lump big size materials,friendly to environment,big torque,large capacity, strong ability to endure binding materials. If adopting special lining materials,shaftless screw conveyors can convey high temperature materials and corrosive materials in chemical industry.