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 Model TSF twin screw feeder is designed for precise batching and weighing applications.
Tenders invited for Design, engineering, manufacturing,nullpacking, supply, and performancedemonstration of screw feeder withhopper on a wheeled trolley as perannexure
Other materials, such as wet or cohesive aggregates, tend to be best suited fc a belt feeder rather than a screw feeder.
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.
Product is weighed automatically on Ishida's proven Screw Feeder weigher and each accurately-weighed portion is then despatched to one of the packing stations on the batching table, where an operator transfers it to a tray, styles it and places the tray on an 'out' belt for sealing, labelling and quality control.
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.
Its CCW-R-214 Screw Feeder Weigher incorporates rotating corkscrews to replace traditionally used radial feeder troughs, providing a powerful, controlled and fully automatic product feed to the pool and weigh hoppers.
The waste water from the chip washing is cleaned in a hydro-cyclone to remove the solids before it is mixed with effluent from the screw feeder in the following step and recirculated back to the wash.