EXTRUDER RAMP-UP CONTROL SYSTEM AND METHOD
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United States of America Patent
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Issued Date -
Nov 27, 2008
app pub date -
May 21, 2008
filing date -
May 23, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An extrusion system is provided including an extruder, a screen changer, an operator interface, and a controller. The system further includes a pressure sensor for detecting an extrusion flow pressure between the extruder and the screen changer. A method of ramping up an extruder is also provided including the steps of detecting a pressure upstream from an extrusion screen filter; comparing the upstream pressure to a user-defined threshold pressure; and increasing an extrusion output if the upstream pressure exceeds the threshold pressure.
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