Encyclopedic Dictionary of Polymers

2011 Edition
| Editors: Jan W. Gooch

Root Diameter

  • Jan W. Gooch
Reference work entry
DOI: https://doi.org/10.1007/978-1-4419-6247-8_10122

n The smaller (minor) diameter of an extruder screw at any point along its length. In most industrial extruder screws, the increase in root diameter from the feed section to the metering section is the most important factor creating the  Compression Ratio.

Copyright information

© Springer Science+Business Media, LLC 2011

Authors and Affiliations

  • Jan W. Gooch
    • 1
  1. 1.AtlantaUSA