Performance improvement in high-speed extrusion operations
In years of research the Institute of Product Engineering at the University of Duisburg-Essen devel-oped an alternative plastification concept for high-speed applications. The so called High-Speed-S-Truder realizes the separation of solid and molten material with a permeable, free rotating screw sleeve. To increase the performance of this concept several design optimizations in the screw’s feed-ing zone and on the inner profil of the screw sleeve surface were carried out. From the results of the thermal and substantial homogeneity investigations a hypothesis regarding the melting process for the High-Speed-S-Truder is derived.
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