Know How - Extrusion

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Published: 6/12/2020

Extrusion: The Importance of Zone 1 Barrel Temperature
Tweaking the temperature settings of the first barrel zones may not yield the desired result. In fact, they may yield the opposite. Here’s why.

Published: 5/28/2020

What You Should Know About Miniature Extrusion Screws
Very small screws have become more common with the growth of additive manufacturing. Designing such screws requires balancing their output requirements with their torque strength.

Published: 4/10/2020

Extrusion: Important Polymer Melting Equations for Extrusion Processors
The more you know about what happens in a screw, the more you’ll be able to work with your supplier to optimize design.

Published: 3/25/2020

Try This Lower-Cost Purging Method
You might be able to reduce purging times and save money by scheduling processing jobs in order of the increasing material viscosity. But to get started, you'll need shear rate/viscosity curves for your polymers.

Published: 3/17/2020

How to Optimize Usage of Recycled Material
Processors need to “engineer” feeding properties similar to virgin pellets into their regrind to efficiently and economically utilize more of their scrap.