A Polymer Process Engineering & Training Company Home of the CRD Mixing Screws
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February 9, 2007
Harrel, Inc
E Norwalk, CT
by Dana Darley
About the Seminar
This seminar covers most major auxiliary components
utilized in polymer extrusion, extrusion blow molding and recycling.
The objectives of this seminar are:
• To gain a basic understanding of the technology and application of various types of extrusion auxiliary equipment.
• Become more familiar with the equipment manufacturers and systems each offers.
• To be in a much better position to purchase and integrate the right equipment for the extrusion process.
• Gain insight on troubleshooting and maintaining auxiliary equipment and systems.
A recognized industry expert will be the instructor for the seminar.
What the attendees will learn about:
• Resin conveying and storage systems – from inplant to railcar loading/unloading.
• Gravimetric blending, feeding and extrusion control systems.
• Inline film scrap reclaim systems.
• Resin drying and crystallizing.
• Polymer gear pumps and systems.
• Melt filtration systems.
• Under water and strand pelletizers.
Who should attend:
• Design engineers
• Process engineers and manufacturing engineers
• Manufacturing managers
• Production supervisors/managers
• Technical service personnel
| Course Description |
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Material Handling/Conveying • From silo, truck, gaylord or bag • All options for bulk storage and pneumatic conveying Resin Drying and Crystallizing • Hot air drying • Dehumidifying/desiccant dryers • IR dryers • PET crystallizers Blending and Feeding • Volumetric vs. gravimetric • Loss-in weight vs. batch • Mixing techniques • Specialty extruder feeding Film Scrap Reclaim • Film grinding • On line scrap reclaim Gravimetric Extrusion Control • Dedicated vs. combination blending and control systems • Weight per unit length control • Co-extrusion layer control Screen Changers/Melt Filtration • Breaker plate design • Screen selection • Dis-continuous systems • Continuous filtration systems • Constant pressure systems • Large area filtration Gear Pump Assisted Extrusion • Gear pump design • Drive systems • Support and adaptation • Control systems options |
| Course Description (continued) |
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Pelletizing – Die Face/Strand  Books authored by Chris Rauwendaal:
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