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.
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© 2011 Springer Science+Business Media, LLC
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Gooch, J.W. (2011). Root Diameter. In: Gooch, J.W. (eds) Encyclopedic Dictionary of Polymers. Springer, New York, NY. https://doi.org/10.1007/978-1-4419-6247-8_10122
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