An extruder has a barrel diameter of 4 in., a channel depth of 0.25 in., a flight
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An extruder has a barrel diameter of 4 in., a channel depth of 0.25 in., a flight angle of 18°, and a pumping zone that is 6 ft long. It is used to pump a plastic with a viscosity of 100 × 10-4 lb-s/in2. If the die characteristic is experimentally determined as Qx = (0.00210 in5 / lb-s)p, what should be screw speed 1 be to achieve a flow rate of 7 in3 / s from the extruder?
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Related Book For 
Manufacturing Processes for Engineering Materials
ISBN: 978-0132272711
5th edition
Authors: Serope Kalpakjian, Steven Schmid
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