Exploring the: Extrusion Zone
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Sizing the Barrier Gap
Here’s a less complex way to properly size the barrier gap for barrier screws.
Save the Date for the Extrusion 2017 Conference
Third annual event for all things extrusion will be held Oct. 18-20 in Charlotte, N.C.
How ‘Hydro Wedges’ Reduce Screw Wear
Using them only in the melting section provides for greater design freedom and negates the impact these devices can have on output and melt temperature.
Extruding with Fillers
You can use the reference point from processing unfilled polymer to determine whether you can run filled resin on your current system.
Don’t Build In Melt-Temperature Variations
It’s not unusual for polymer to exit the extruder with a uniform melt temperature, only to be fouled up by downstream flow pipes and the like. Here’s how to avoid this.
Which Barrier Screw for You?
It depends ... mostly on the melting requirements of the polymer.
What Output Can I Expect?
Processors ask screw designers this question a lot. But neither output nor melt temperature can be predicted without details on the polymer and head pressure.
Extrusion 2016 Conference: Wait No More
K 2016 is behind you, so it’s time to focus on the next big event for extrusion processing.
Extruding Very High-Flow Polymers
Screw designs not suited to process lower-viscosity materials will result in poor melt quality and lower outputs.
Do You Have Screw Wear?
It’s generally caused by metal-to-metal contact, and your first indicator will be poor melt quality.