Single-Screw Polymer Extruder Throughput Calculator

Model metering zone drag flow (Qd), die backpressure backflow (Qp), net volumetric throughput, and mass output per classical Tadmor extrusion theory.

Barrel Internal Diameter D (in or mm):

Dimension Units:

Metering Channel Depth H (in):

Helix Angle θ (deg): Standard square pitch = 17.66°

Screw Speed N (RPM):

Die Head Pressure ΔP (psi):

Melt Viscosity η (Pa·s or lb-s/in²):

Melt Density ρ_m (g/cm³):

Net Mass Output Rate:

—

— kg/hr

Net Volumetric Throughput (Q_net):

—

— cm³/s

Drag Forward Flow (Q_d):

—

Pressure Backflow (Q_p):

—

— % backflow

Metering Pumping Efficiency:

—

Recommended Tools & Equipment

Tested hardware and components for high reliability

100% Free Tool Zero Sign-Up