processing tips
Hitting the Numbers, Part 2: The Shrinkage Factor
The shrinkage factor is one of the most critical numbers to hit.
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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.
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Processing/Workplace Safety Tips for Fluoropolymer Medical Tubing
Here's what you need to know and running these emerging materials for medical tubing.
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How to Collect & Interpret Process Data in Extrusion
The first installment of this three-part series focuses on proper use of a data- acquisition system.
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Which Barrier Screw for You?
It depends ... mostly on the melting requirements of the polymer.
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Thanks to This Material, There's No Hard Coating Needed
New additive that improves scratch/mar resistance in molded & extruded parts.
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Gating Revisited
An overlooked factor in injection molding has outsize influence on the process and part quality.
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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.
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Unraveling the Mysteries of Melt Temperature
Infrared technology can provide consistent and accurate readings of melt temperature. Here’s how to use it.
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Extruding Very High-Flow Polymers
Screw designs not suited to process lower-viscosity materials will result in poor melt quality and lower outputs.
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