Single Screw Extruder Drag & Pressure Flow Calculator
Determine drag flow ($q_d$), pressure backflow ($q_p$), net volumetric throughput ($Q$), and mass extrusion rate (kg/h) in the metering section.
Screw & Barrel Geometry
Metering zone channel depth
Square pitch (Lead=D) = 17.66°
Molten PE/PP ~0.75-0.80
Throughput & Flow Components
Mass Throughput Rate
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Max Closed-Die Pressure
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Drag Flow (q_d)
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Back Flow (q_p)
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Pumping Efficiency
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Extrusion Operating Point
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