The shaftless screw conveyor is a new high-tech product mainly used in the environmental protection industry and the transportation of various materials. The types of materials transported include bagged, filamentous, wet, granular, viscous, dusty, and abrasive materials. The main features of this product are enclosed, non winding, no dust flying, no leakage, no odor, and balanced transportation. It has a large conveying capacity, extremely low maintenance and repair costs, and can transport materials from any angle horizontally or vertically. The main materials for manufacturing shaftless spiral conveyors are carbon steel or stainless steel, which have the disadvantage of high cost and are traditionalconveyorSeveral times the amount of equipment