Basic Extrusion Calculation Software
Basic extrusion calculation software is now available from SPE for troubleshooting
single-screw processes, die operations, and downstream processes. The
calculations include rates and pressure profiles for single screw designs (drag and
pressure flows), the maximum motor size and gearbox reduction that can be used
safely (without breaking a screw) for an application, the melt density for 31 common
resins as a function of temperature, the pressure required to flow resin through
several common die geometries, and the diameter-length-mass relationship for a
roll of film or sheet product. These calculations are quick, require minimal data for
operation, and provide the engineer or technician with a great indicator of the
performance of their processes.
The CD contains helpful instructions on how to make these calculations and how to
interpret the results. Moreover, the CD contains several other helpful features such
as a units conversion routine, a listing of the Extrusion Division papers that have
been presented at ANTEC from 1956 to 2004, and the popular Extrusion Solutions
Help Files. The Extrusion Solutions Help Files are a compilation of over 25 years of
helpful hints that have been published by extrusion experts.
Extrusion CD-ROM is available from SPE for $40, and can be ordered directly from
SPE at the website listed below: http://www.4spe.org/training/products/0392.php (not available at the moment).
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Extruder Software