Screws may be commonplace, but that doesn't mean they're simple. A screw is any shaft with a corkscrew groove carved around its surface and, regardless of their design, screws are usually used to ...

The screw conveyor has an extensive history. Archimedes (ca. 212 BC) invented the first screw conveyor, and his design is still used today for irrigation and grain transfer. Screw conveyors became ...

NBE (Holland, MI) has put on the market a storage bin and solid core screw conveyor that delivers material at a controlled rate to processing equipment. The V-shaped hopper bottom with a material head ...