Screw Design Tips to Boost Productivity
In this collection of articles, two of the industry’s foremost authorities on screw design — Jim Frankland and Mark Spalding — offer their sage advice on screw design...what works, what doesn’t, and what to look for when things start going wrong.

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Understanding Melting in Single-Screw Extruders
You can better visualize the melting process by “flipping” the observation point so the barrel appears to be turning clockwise around a stationary screw.
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Single vs. Twin-Screw Extruders: Why Mixing is Different
There have been many attempts to provide twin-screw-like mixing in singles, but except at very limited outputs none have been adequate. The odds of future success are long due to the inherent differences in the equipment types.
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Reduce Downtime and Scrap in the Blown Film Industry
The blown film sector now benefits from a tailored solution developed by Chem-Trend to preserve integrity of the bubble.