MACHINERY | DOSING AND FEEDING
Coperion K-Tron’s ProRate PLUS single-screw feeders are designed to handle free-flowing ingredients
fewer spare parts need to be kept on hand. Siffert says that the new design also resulted in a smaller footprint, with stands that allow clusters of up to six feeders around one extruder inlet. The new ProClean Rail design ensures accessibility to the screw and the base unit so the feeder can be maintained and cleaned without moving it out of the cluster position. ProRate Plus single-screw feeders are designed
the plastics industry, says says Fabian Siffert, Global Market Insight and Sales Process Manager. “We programmed our controller to be able to control up to eight feeders with one central processing unit, and we adjusted the mechanical design to reduce the number of loadcells,“ he says. The ProRate Plus feeders use P-SFT [Smart Force
Transducer] load cells that provide a direct digital weighing signal and have high tolerance to vibration and electrical noise. Meanwhile, the design has a high level of standardisation — many parts for all three feeder sizes are the same so
for free-flowing ingredients and can handle a small number of moderate flowing ingredients. For moderate to poorly flowing bulk materials, the standard Coperion K-Tron feeder is an optimal choice, says Siffert.
Data collection Siffert says there is an increasing need for collect- ing real-time data from feeders in companies that are tracking and analysing all their production data. For this reason, Coperion K-Tron’s configurable data interface allows feeder parameters to be shared over all common industrial protocols. New user interfaces take advantage of automati- on and artificial intelligence, he says. ”When an error occurs, the interface guides the operator
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IMAGE: COPERION K-TRON
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