Extrusion Seminar & Hands-On Workshop

This unique event combines the expertise of well-known extrusion consultant Dr. Chris Rauwendaal with the training capabilities and modern facilities of Pennsylvania College of Technology's Plastics and Polymer Technology Department. In this workshop, Dr. Rauwendaal presents course topics in a multimedia format supplemented by printed materials, and Dr. Kirk Cantor leads participants in hands-on training (approximately 50 percent of the course), including use of extrusion industry equipment - single screw extruder, twin screw extruder, blown film line, injection molder, melt indexer, and tensile tester.

Course Outline

There are currently no classes scheduled for this course. Please check back at a later time or contact WDCE to see when the course will be offered again.

Extrusion drawing
(2014 program brochure)

This unique event combines the expertise of well-known extrusion consultant Dr. Chris Rauwendaal and instructor Dr. Kirk Cantor with the training capabilities and modern facilities of Pennsylvania College of Technology’s Plastics and Polymer Technology Department.

In this workshop, Dr. Rauwendaal presents course topics in a multimedia format supplemented by printed materials, and Dr. Cantor leads participants in hands-on training (approximately 50 percent of the course), including use of extrusion industry equipment — single screw extruder, twin screw extruder, blown film line, injection molder, melt rheology, indexer, and tensile tester.

Course topics will be closely integrated with hands-on laboratory time. For example, understanding of plastic flow properties, screw design, and die design will be reinforced by manipulating data gathered in the lab and utilizing extrusion simulation software.

Instructors:

  • Dr. Chris Rauwendaal, president of Rauwendaal Extrusion Engineering, Inc., Auburn, CA
  • Dr. Kirk Cantor, professor of plastics and polymer technology at Pennsylvania College of Technology

Course topics:

  • Extruder Hardware – main components and important design issues
  • Polymer Properties – Important properties and how they affect extrusion
  • What Happens Inside the Extruder – different functional zones
  • Extruder Screw Design – learn how to tell a good design from a bad one
  • Extruder Die Design – tubing/pipe, Flat Film and sheet, and profile Dies
  • Twin Screw Extruders – co- vs. counter-rotating, intermeshing vs. non-intermeshing
  • Troubleshooting – systematic approach, typical extrusion problems, case studies

Course topics:

  • Single Screw Extrusion – throughput vs. screw speed vs. pressure
  • Single Screw Extrusion – blown film
  • Twin Screw Extrusion – blown film
  • Materials Testing – melt index, tensile test, capillary rheometer
  • Injection Molding – mold setup and operation
  • Computer-Based Extrusion – engineering and training software
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