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An extruder barrel has a diameter of 5.0 in and a length-to-diameter ratio of 22. The viscosity of the polymer melt = 0.0020 lb-s/in2 . The pitch of the screw = 4.5 in and channel depth = 0.25 in. The screw rotates at 50 rev/min, generating a head pressure = 500 lb/in2 . What is the volume flow rate of plastic at the die end of the barrel?

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Answer:

Volume flow rate of plastic at the die end of the barrel= 3.279 in^3 /sec.

Explanation:

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