All About Polymer Mixing
In this Webinar, we will touch on the basics of the thermodynamics of mixing. We will define the types of mixing and expand on…
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Extrusion Knowledge Center
The CPM Extrusion Knowledge Center (EKC) is an online library containing more than fifty (50) one-hour training webinars on virtually every aspect of twin-screw extrusion available for downloading or streaming on-demand.
CPM Extrusion Group Webinars
While attending our monthly webinars is free, you can download PDF copies of any webinar or replay any webinar again at your convenience using streaming video for a nominal access fee.
These webinars provide an excellent training resource for operations, maintenance, R&D and engineering departments.
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Overcoming Feed Limitations
In this Webinar we review common issues encountered when feeding low bulk density powder components. We also cover some counter-measure solutions to mitigate common…
Twin Screw Pilot Scale Processing Guidelines
In this Webinar, we will explore the purpose of a pilot scale trial. We will review recommended guidelines as well as challenges often encountered…
How Much Extruder Length Do I Really Need?
This webinar will explore different applications with respect to the extruder L/D. Unit operations such as feeding, melting, mixing, devolatilization, and pressure development will…
Wear Audit Preparation/Requirements
This webinar details the procedures for conducting wear measurements on extruder screws and barrels, which should be an integral part of your preventive maintenance…
Compounding Common Additives Using Twin Screw Extrusion
This webinar takes a look at some common additives incorporated into plastics and provides an overview of their purpose. The various types of additives…
Food Extrusion Technology
This webinar provides an overview of the process technology and machine configurations used for production of direct-expanded RTE cereals and snacks with twin-screw extruders.
Installation and Commissioning of Twin Screw Extruders
This webinar reviews best practices for efficient installation and commissioning of twin-screw extruders.
Twin-Screw Extrusion for Pharma Applications
An introduction to Hot Melt Extrusion (HME) and melt granulation for both immediate and controlled release pharmaceutical applications will be presented.
Ask Adam (Part 1)
Here is your opportunity to solve those lingering process problem …just Ask Adam! This webinar is designed as an open forum to provide real-time…
Working Safely With Twin-Screw Extruders
This webinar addresses the unique safety aspects of twin-screw extrusion applications.
Vacuum Systems for Extruder Applications
This webinar is presented by WinTek Corporation, a leading supplier of process vacuum systems.
Upcycling of Post-Industrial Plastics
An overview of the process technology and machine configurations used for successful “upcycling” of post-industrial plastics.
Underwater Pelletizing Fundamentals and Troubleshooting
This webinar is presented by Gala Industries, a global manufacturer of underwater pelletizing systems.
Understanding Screw Element Metallurgy
This webinar provides an overview of standardized test methods used for measuring abrasion and corrosion-resistance and explain how different alloy chemistries provide protection against…
Twin-Screw Extruder Shaft Design & Technology
The mechanical design criteria for shafts used in co-rotating, intermeshing twin-screw extruders are described in this webinar.
Understanding Extruder Barrel Metallurgy
This webinar reviews the standardized test methods used for measuring abrasion and corrosion-resistance and explains how different alloy chemistries provide protection against abrasion and/or…
Twin-Screw Extruder Barrel Temperature Control
The focus of this webinar is on heating & cooling system design for twin-screw extruders.
Troubleshooting Hard-to-Feed Ingredients in Plastics Compounding
This webinar is presented by Andy Kovats from Brabender Technologie, a leading supplier of feeders and metering equipment for extrusion systems.
Torque vs. Specific Energy
This webinar describes the concept of specific (mechanical) energy along with it’s practical use as a process setpoint to ensure product consistency from lot-to-lot.
Torque Couplings – Maintenance and Troubleshooting
The torque coupling is a critical part of the extruder that protects the gearbox from damage and must be properly maintained. This webinar highlights…
The Perfect Pellet
This new webinar looks at pellet quality from the customer’s perspective (rather than from the compounder’s perspective). We ask the questions: Who is your…
Strategies for Problem Solving
The pattern of variation during a continuous production lot can be used to identify (or eliminate) specific assignable causes depending on the time scale…
Strand Die Design
Strand die design is an often neglected part of the compounding process, it is viewed simply as ‘something to hold the die plate onto…
Specification of Twin-Screw Extruders for Compounding Applications
This webinar focuses on determining the size (e.g. diameter) of a twin-screw extruder to achieve a desired capacity target as a function of available…
Solving Vent Problems
Nearly every twin-screw extruder with a vent port has some operational “issues” with material – other than vapor – coming out of the vent…
Software Tools for Improved Productivity
This webinar highlights the improvement in productivity through the use of computer software for design of screw configurations and for process simulation.
Side Feeding Technology
The basic techniques for optimizing capacity of side feeders is presented in this webinar. While various aspects of side feeding have been described in…
Screw Design Optimization: Mixing
Optimizing the mixing part of the screw configuration for improved dispersion of particulate fillers (e.g. talc, mineral, CaCO3, etc.) or improved distribution of glass…
Screw Design Optimization: Melting
Screw configurations for resin melting can be developed for maximum productivity or designed to accommodate a wide range of polymers…but not both.
Screw Assembly and Disassembly
Finally, a webinar that shows correct assembly and disassembly procedures for segmented twin-screw extruder screws!
Screw and Barrel Wear Measurement
This webinar documents the procedures for conducting wear measurements on extruder screws and barrels which should be an integral part of your preventive maintenance…
Rebuild, Restore… or Replace?
This webinar outlines options to consider for upgrading/rebuilding of older extruders. Under what conditions should you replace that obsolete gearbox and motor versus replacement…
Reactive Extrusion
This webinar provides an overview of the process technology and machine configurations used for the more common reactive extrusion applications: MAH grafting, TPV, TPU…
Purging and Cleaning Twin-Screw Extruders
We are often asked to recommend products and/or procedures for purging and cleaning twin-screw elements and barrels.
Process Variables and Interactions
This webinar is designed for compounding applications on intermeshing, co-rotating twin-screw extruders.
Process Troubleshooting for Twin-Screw Compounding Extruders
This webinar provides an overview of factors affecting compound product quality and process instabilities on intermeshing, co-rotating twin-screw extruders.
Powder Coatings
An overview of the process technology and machine configurations used for production of powder coatings.
Overcoming Feed Limitations
Increasing the production rate for feed-limited applications of twin-screw extruders is often related to venting of entrained air from the extruder barrel.
Melt Filtration Systems
This webinar is presented by Dan Smith from Maag, a global manufacturer of melt pumps and melt filtration systems.
Maintenance Best Practices
This webinar provides recommendations for a preventive maintenance program to maximize uptime for your twin-screw extruder.
Liquid Injection Technology
This webinar reviews recommended practices for adding liquids to the twin-screw extruder in terms of location for injection ports (e.g. L/D, top/bottom, etc.), available…
Introduction to the RingExtruder
This webinar introduces the RingExtruder RE, utilizing twelve co-rotating and intermeshing screws arranged around a central core.
Introduction to Screw Design – Part 2
This webinar describes which type of screw element best fits each of the process requirements for compounding applications on intermeshing, co-rotating twin-screw extruders.
Introduction to Screw Design – Part 1
This webinar introduces the available screw geometries for intermeshing, co-rotating twin-screw extruders in order to understand how mixing is possible and under what conditions.
Installation Guidelines for Screw and Kneading Elements
This webinar presents the correct procedures for installation of standard conveying and mixing elements, ZME’s, eccentric kneading elements and other difficult-to-install element designs along…
High Performance Elements
This webinar defines a new geometry for twin-screw extruder elements which promotes elongational flow (versus shear flow) for intermeshing and co-rotating twin-screw extruders.
Extrusion Tools, Tips and Tricks
This webinar reveals some of the “tricks of the trade” for assembling/disassembling, maintaining/servicing and operating your twin-screw equipment.
Extrusion Instrumentation and Control Systems
This webinar is presented by Evan Pautz and Chad Brenton of CPM Beta Raven, a global supplier of plant automation systems.
Diagnosing Adhesive Wear
This webinar identifies the signs of adhesive wear in co-rotating twin-screw extruders – this type of extruder wear is not typical and is indicative…
Computer Process Simulation for Twin-Screw Compounding
This webinar highlights the use of PolyTech’s WinTXS™ Simulation Software for scale-up, screw design optimization as well as process troubleshooting.
Compounding for the Green Economy
The “green” economy is changing the materials selection criteria for the majority of plastics applications, for both durable and single-use plastics.
Basics of Dispersive Mixing
Co-rotating twin-screw extruders have been the machine of choice for blending of polymers with additives, colorants and non-reinforcing fillers as a result of the…
Ask Adam (Part 2)
Here is another opportunity to solve those lingering process problems …just Ask Adam! This webinar is designed as an open forum to provide real-time…
Accuracy in Extruder Scale-Up
This webinar identifies the critical parameters used to translate a compound from lab-scale to production-scale in order to duplicate the properties and performance of…
What is a Twin-Screw Extruder?
This webinar defines the basic geometry for co-rotating, intermeshing twin-screw extruders and the influence of design criteria on operational performance.
Bottle-to-Bottle PET Recycling
An overview of the process technology used for production of food-grade PET pellets from recycled PET flake.
Basics of Strand Pelletizing
This webinar is presented by Jeff Forgash from Bay Plastics Machinery, manufacturers of strand pelletizing systems.
Analyzing Abrasive Wear
This webinar focuses on abrasive wear in twin-screw extruder compounding applications by analyzing where the wear is occurring.
A “Practical” Approach to DOE
This webinar provides a step-by-step practical approach to designing and running DOE’s (Design of Experiments) for optimization, process development, etc.
Energy Management in Extrusion
This webinar is presented by Dr. Robin Kent from from Tangram Technology Ltd., a consulting company specializing in energy management for plastics processing industry.