3D Simulation of Screw Axial Motion Influencing on Plasticization Homogeneity

doi:10.19491/j.issn.1001-9278.2014.06.019

China Plastics ›› 2014, Vol. 28 ›› Issue (06): 104-107 .DOI: 10.19491/j.issn.1001-9278.2014.06.019

3D Simulation of Screw Axial Motion Influencing on Plasticization Homogeneity

Received:2013-10-09 Revised:2014-01-02 Online:2014-06-26 Published:2014-06-26

Abstract

Abstract: The three-dimensional nonisothermal melt flow fields in metering section of injection and extrusion during plasticizing process were simulated by Polyflow. Comparisons of their temperature, viscosity, velocity and pressure fields showed that distributions of temperature and viscosity in extrusion were more homogeneous and more stable than injection. The back motion of screw is favorable for increasing melt transportation.

Key words: screw, axial motion, stability, homogeneity, three-dimensional simulation

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3D Simulation of Screw Axial Motion Influencing on Plasticization Homogeneity

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