Here is an excerpt from Lesson #8 - Troubleshooting the Twin Screw Extruder which is the final lesson in the 8 lesson Paulson Training program on "Compounding With The Twin Screw Extruder". Complete details on this program along with another sample from the course can be found at:

http://www.paulsontraining.com/produc...

Being able to quickly troubleshoot problems on a twin screw extruder that is compounding plastics materials is arguably one of the most valuable skills you should have out on your production floor. Extruders can make a lot of bad out in a very short time. Quickly assessing a potential problem and perhaps even correcting it before it happens can save a lot of money.

Twin screw extruders require specialized knowledge, particularly when they are being used in Compounding. Below are the titles of the 8 lessons in the complete "Compounding With The Twin Screw Extruder" training program.

Lesson 1 -- Twin Screw Extruder -- Parts and Operation
Lesson 2 -- The Structure of Plastics
Lesson 3 -- How Plastics Flow -- Effects of Pressure, Temperature and Flow
Lesson 4 -- Plastic Behavior in the Twin Screw Extruder
Lesson 5 -- Optimizing Twin Screw Extruder Controls
Lesson 6 -- Safety, Pre-start and Start-up Procedures
Lesson 7 -- Steady-State Operation, Shutdown and Maintenance
Lesson 8 -- Troubleshooting the Twin Screw Extruder