The screw is the heart of the screw conveyor. The screw rotates to provide forward motion to the powder bulk solid being conveyed. Screw are available in a verity of configurations and lengths. Learn more about the basics of screw conveyor screws with this video.
Dimensional drawing and chart with measurements for screw conveyor shaft bolting components, including shaft diameter.
Diagram of an exploded screw conveyor with all parts labeled.
Believe it or not screw conveyor screws are extremely complicated and the nomenclature and terms are too.
One question we are asked a lot is why is there so much clearance (0.5in) between the screw and the trough (housing)?
A screw, or sometimes called an auger is the heart of the screw conveyor. The screw is rotated by the screw conveyor drive and pushes the conveyed material forward 1 pitch with every revolution.