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Acquisition Rates

Modified on Thursday, 19 February 2015 07:20 PM by mpieler Categorized as Extrusion Hints
Meaningful analysis of extrusion data requires acquisition rates dependent upon the location of the transducer and the speed of the extruder. A recording device in the 30Hz through 50HZ (or higher data rates), allows for adequate analysis in the most difficult situations (along the barrel). Measuring the pressure and temperature after the extruder (in the die adapter or the die itself), does not require the high data acquisition rates needed along the barrel, with 5-10Hz being completely adequate. The data points obtained using 1Hz and 2.5Hz acquisition rates would not clearly capture the actual sawtooth trace.

- Edward L. Steward (from ANTEC 1998)

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