Maurice Tutor

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Category > Management Posted 21 Mar 2018 My Price 4.00

extruder screw


An extruder has a barrel diameter of 3.5 in and a length of 5.0 ft. It has a screw channel depth of 0.16 in and a flight angle of 22°. The extruder screw rotates at 75 rev/min. The polymer melt has a shear viscosity = 65 × 10-4 lb-sec/in2 at the operating temperature of 525°F. The specific gravity of the polymer is 1.2 and its tensile strength is 8000 lb/in2. A T-shaped cross section is extruded at a rate of 0.11 lb/sec. The density of water is 62.5 lb/ft3.

 

(a) Find the equation for the extruder characteristic.

(b) Find the operating point (Q and p), and (c) the die characteristic that is indicated by the operating point.

 

Answers

Maurice Tutor
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Status NEW Posted 21 Mar 2018 03:03 AM My Price 4.00

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