Rauwendaal Extrusion engineering, Inc.
Rauwendaal Extrusion Engineering, Inc. 530.269.1082

A Polymer Process Engineering & Training Company Home of the CRD Mixing Screws

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Extruder Maintenance Seminar
by Dr. Kirk Cantor

October 27, 2017
D. R. Joseph, Inc.
921 W. Harris Rd.
Arlington, Texas, 76001

Printable Outline and Faxable Registration Form.  We will send you an invoice and you can  use the custom payment area on our home page to make a payment with a credit card or use a PO# and send us a check.-->  


La Quinta Inn South

4001 Scots Legacy Dr, Arlington, TX 76015

Phone: (817) 467-7756


Holiday Inn Express Arlington (I-20 & Parks Mall)

1721 Pleasant Pl, Arlington, TX 76015

Phone: (817) 784-8750


Residence Inn South

801 Highlander Boulevard
Arlington, Texas 76015



Courtyard Dallas Arlington South

711 Highlander Boulevard
Arlington, Texas 76015


For Seminar Questions Contact: Chris Rauwendaal 530-269-1082 or chris@rauwendaal.com

About the Seminar

This one-day program focuses on proper maintenance of polymer extruders, both single screw and twin screw.  Upon completion of this seminar, attendees will be able to:

What the attendees will learn:

Who should attend:

Testimonial from previous Seminars

Seminar Hours & Cancellation Policy

Course Description
  1. Introduction to Extruders
    • Single Screw Extruders
    • Twin Screw Extruders
  2. Safety
    • Moving Parts & Nip Points
    • Electricity/Grounding
    • High Temperatures
    • High Pressures
  3. Drive System
    • Motor
    • Gearbox
    • Thrust Bearing
  4. Screw and Barrel
    • Materials of Construction
      • Standard Materials
      • Corrosive Resistance
      • Wear Resistance
      • Specialty Materials
      • Screw/Barrel Material Compatibility
    • Flight Treatment
    • Screw/Barrel Clearances
      • Heated Barrel
      • Cooled Feed Throat
    • Screw/Barrel Wear
      • Mechanisms
      • Indicators
    • Barrel Alignment
      • Consequences of Misalignment
      • Alignment Techniques
    • Feed Housing
      • Temperature Control
      • Cooling Channel Blockage
    • Screw/Barrel Cleaning
      • Pulling Screw
      • Cleaning Screw/Barrel
      • Measurements
      • Breaker Plate/Screen Pack Installation
      • Replacing Screw
  5. Instrumentation
    • Sensor Calibration
    • Heater Installation and Diagnostics
    • Thermocouple Installation and Diagnostics
    • Pressure Transducers
Course Description (continued)
  1. Proper Operation Methods
    • Start-up
    • Normal Operation
    • Shutdown
  2. Purging
    • Material Types
    • Purging Methods
  3. Troubleshooting Mechanical Problems
    • Vibrations/Unusual Sounds
    • High/Low Temperature
    • Low/No Output
    • Output Instabilities
    • Excessive Pressure
    • Vent Flow
    • Plastic Leakage

Workshop:  Extruder Operations & Maintenance


Books authored by Kirk Cantor:

Books authored by Chris Rauwendaal:

  • Understanding Extrusion - suggested reading!
  • Polymer Extrusion
  • Troubleshooting the Extrusion Process
  • SPC in Injection Molding and Extrusion
  • Polymer Mixing
  • Mixing in Polymer Processing

When ordering our books from Hanser Publications use the code RAU2014 for a 25% discount.