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Study of Solid-plug Conveying in a Centrifugal Extruder

  • Z. Jing , W. Daming , I. M. Kuzyayev , C. Weihong , X. Hong and L. Ying
Published/Copyright: March 26, 2013
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International Polymer Processing
From the journal International Polymer Processing Volume 23 Issue 3

Abstract

A new type of polymer processing machine, a centrifugal extruder, is introduced and its performance studied experimentally and analyzed theoretically. Calculations show that by means of appropriate choice of the geometrical parameters of the rotor drum and the rotor speed, the pressure of the solid polymer in the rotor drum can reach a value of several MPa. Theoretical analysis also shows that the most important factors influencing the solid conveying pressure in the rotor drum are the radius and slope angle of the rotor drum, the rotation speed of the rotor drum, the friction factor between the solid polymer and the drum surface, and the density of the polymer. An experimental rotor drum was designed in order to validate the mathematical model used for calculation of the solid conveying pressure in the rotor drum. The results of the experiments show good agreement with the theoretical predictions.

∗ Mail address: Wu Daming, Institute of Plastics Machinery and Engineering, Beijing University of Chemical Technology, 15 Beisanhuan East Road, Chaoyang District, Beijing, 100029, PRC. E-mail:

References

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Published Online: 2013-03-26
Published in Print: 2008-07-01

© 2008, Carl Hanser Verlag, Munich

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https://doi.org/10.3139/217.2102

Articles in the same Issue

  1. Contents
  2. Contents
  3. Regular Contributed Articles
  4. 10.3139/217.0979
  5. Polymer Plastication during Injection Molding
  6. Polymer Plastication during Injection Molding
  7. Challenges to the Formation of Nano-cells in Foaming Processes
  8. Manufacture of Spinnerets for Synthetic Micro-fibers by LIGA and Micro-injection Molding Technique
  9. Study of Solid-plug Conveying in a Centrifugal Extruder
  10. Experimental Study on the Sliding Friction and Wear Characteristics of Roller Burnished Polymers
  11. Studying the Effective Thermal Properties of Solids in Extrusion Machinery using a Discrete Particle Simulation Approach
  12. Polymer-ridge Waveguide Fabrication by Gas-assisted UV Embossing with a Soft Mold
  13. Rheological Behavior of Immiscible PS/PMMA Blends during Dynamic Plasticating Extrusion
  14. Rapid Fabrication of Microstructures onto Plastic Substrates by Infrared Hot Embossing
  15. Design of Calibrators for Profile Extrusion – Optimizing Multi-step Systems
  16. Inhibition of Thermal Oxidation Destruction of PBT/HDPE Blends by Organic Compounds of Five-valent Phosphorus
  17. Non-isothermal Model for the Drive Power Calculation of Single-screw Plasticating Units
  18. PPS News
  19. PPS News
  20. Seikei-Kakou Abstracts
  21. Seikei-Kakou Abstracts
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