Screw Design & Process Debugging
Jim Frankland is a recognized expert in all types of single screw
extrusion with 44 years of practical extrusion experience. He has
designed over 10,000 screws in his career covering every process with
sizes ranging from ½" to 23.6". Designs include barrier screws, wave
type, multi-stage, grooved feed, crammer fed, special mixing designs and
dual diameters. His background extends to all aspects of extrusion
trouble shooting including down stream equipment, extruder design,
energy efficiency, polymer specifics and die design. Before retiring
and becoming an independent consultant he worked for General Tire
Plastics, Arco Polymers, Uniloy, New Castle Industries and Milacron. He
served continuously on the Extrusion Division Board of Directors for
over 35 years is a Fellow of the Society, and Honored Service Member and
received the Bruce Maddocks award for his contributions to single screw
extrusion.
