Extrusion Characteristics of Round-Section Dies with VFF

摘要

A vibration force field was applied to the whole process of polymer plasticating extrusion by periodical vibration of the screw. It observably affected both the extruder screw extrusion characteristics and the round-section die extrusion characteristics. It also affected the polymer plasticating extrusion process and the quality of the extrudates. An analytical model of typical dynamic extrusion of round-section dies was created. The results showed that a vibration force field can improve extrusion output.