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Brought to you by:
The SPE Extrusion Division
Board of Directors

and

Patience Vol. 18 #2, July 1991





When making process changes (screw speed, zone settings, etc.) allow four time constants to achieve a steady state prior to collecting data.



A typical 4 1/2" extruder requires 36 minutes.



See also

Data collection 1

Melt blocking

Surging