screw feeder

screw feeder

[′skrü ′fēd·ər]
(mechanical engineering)
A mechanism for handling bulk (pulverized or granulated solids) materials, in which a rotating helicoid screw moves the material forward, toward and into a process unit.
References in periodicals archive ?
The Screw Feeder model gently but firmly propels sticky fresh chicken into hoppers fitted with scraper gates.
The screw feeder is widely used in the short distance transportation of bulk material in agricultural and biological engineering [1-6].
The Model TSF twin screw feeder is designed for precise batching and weighing applications.
Other materials, such as wet or cohesive aggregates, tend to be best suited fc a belt feeder rather than a screw feeder. Consult your feeder OEMs for their specific recommendation;
The machine is equipped with a universal screw feeder that is controlled by a brushless motor for flexible, efficient handling of bottles with a diameter of 60 mm to 120 mm.
The Screw Feeder weigher has been specifically designed for sticky, difficult-to-handle fresh products and features rotating metal spirals that provide a powerful, controlled and fully automatic product feed to the pool hoppers.
The transmission and material-conveying system to the screw feeder are designed in the shape of a Z, resulting in an extremely low mounting height.
Feeder Type Applications Strengths Single Screw Feeder Free flowing granules Low cost, simple w/o agitator and regrinds Single screw with Poor flowing regrinds Wide material range agitator and medium flowing powders Twin screw feeder Non-free flowing and High accuracy, able with agitator floodable powders to handle difficult materials Disc feeder Low rate applications High accuracy, for pellets quick exchange feature Flexible hopper Good flowing to Wide application screw feeder non-free flowing range, no influence materials depending with agitator on screw type.
The PPS Volumetric Screw Feeder (VSF) serves the bulk material handling industry as a medium-to high-capacity feeder that meets 3-A sanitary standard 81-00.
The modular roll-ex system can be combined with a two-roll feeder (TRF), a screw feeder, or a conical twin-screw extruder.
In Operation: A sealed screw feeder feeds the waste sand at a constant rate into the rotary retort.