As is known to all,shaftless screw conveyor is designed to transport sticky and pasty materials. Due to there is no central shaft inside the trough,sticky materials are not easy to be wrapped on screw shaft.Here exist some lining plate at the bottom of trough body. Use reliable screw & bolt to fix the lining plate and prevent any water leakage from trough.
The shaftless screw conveyors are made as per customers’ requirements .Usually there exist two types of shaftless screw conveyor :
1. Carbon steel ,such as Q235,Q345
2. Stainless steel,such as SUS304,SS316L,SS321,SS304L
3. Screw flight is carbons teel,the rest parts are stainless steel .
4. Lining plate is nylon or Ultra-high molecular Weight Polyethylene
In order to save cost,the screw flight can be made of carbon steel .For example,16MN. Screw trough,cover and end plates are made of stainless steel 304.
Transporting distance( mm)
Inside Liner and thick
Screw flight thick
Screw cover thick
Screw shell thick