4-Part Workshop: Troubleshooting Single-Screw Extruders

Extrusión de Termoplásticos


Troubleshooting Single-Screw Extruders Workshop

June 12, 14, 19 & 22, 2023 • All workshop days are from 11:00 AM to 12:00 PM.

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The workshop described the most common root causes for high discharge temperatures, rate limitations, flow surging, resin degradation, color mixing problems, and melting limitations to name just a few, Once the root causes are identified, technical solutions will be provided. Troubleshooting problems were described using actual field case studies and the remedies used to eliminate the problem.

Target Audience

The workshop is aimed at technical or engineering personnel from the production, quality, maintenance, R&D and process standardization areas in thermoplastic extrusion companies.


Mark Spalding, Ph.D.
Dow, Inc.

About the Instructor

Dr. Mark Spalding is a Fellow in Dow Plastics in Midland, Michigan. He joined Dow in 1985 after completing a BS degree from The University of Toledo and a MS and Ph.D. from Purdue University, all in Chemical Engineering.

Mark has held technical positions in Corporate R&D, Polystyrene R&D, Plastics R&D, and INCLOSIA* Solutions. He authored over 170 technical publications. His expertise is in single-screw extrusion and related polymer processing technologies. He co-authored a book with Professor Gregory A. Campbell with the title "Analysis and Troubleshooting of Single-Screw Extruders.

He has solved some of the most complicated extrusion problems at Dow customer’s plants by developing and applying sophisticated troubleshooting methods. He has designed extrusion systems for most of Dow’s major customers for virtually every resin that Dow produces. He is a Fellow and an Honored Service Member of the Society of Plastics Engineers.

50% of the proceeds from Mark’s Workshop will be donated to the SPE Foundation’s Girl Scout Polymer Science Patch program. 

This educational program is provided as a service of SPE. The views and opinions expressed on this or any SPE educational program are those of the Speaker(s) and/or the persons appearing with the Speaker(s) and do not necessarily reflect the views and opinions of the Society of Plastics Engineers, Inc. (SPE) or its officials, employees or designees. To comment or to present an opposing or supporting opinion, please contact us at info@4SPE.org.

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Full refunds, minus a $50 processing fee, will be granted until August 28. No refunds will be granted after May 12.
Registration may be transferred before May 12. No transfers after August 28. Please contact customerrelations@4spe.org for assistance in transferring a registration.

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