Extrusion Know How
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Remembering Bruce Maddock: A Pioneer in Single-Screw Extrusion Technology
The work this researcher conducted in single-screw extrusion decades ago is still being applied today.
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Back to Basics: Tandem Foam Sheet Extrusion
This complex process requires precise equipment and process expertise to produce high-quality sheet. Here’s what you need to know to get started.
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Building a Screw-Cooling System
Screws have been cored for cooling since the early 1960s. In many processes, however, screw cooling is not utilized. Here’s an optimal design for a screw-cooling system.
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Add Screw Cooling for More Process Control, Output in PC Extrusion
Adding screw cooling to a polycarbonate production line provides another level of process control and might just boost rate increase to boot.
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Worn Feed Casings Can Reduce Your Output
While barrels typically last for the service life of three screws, when the feed casing wears it can wreak havoc on production rates.
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Let's Take a Deeper Dive on Compression Ratio for Single-Screw Extruders
Two real-world processes illustrate the importance of compression ratio.
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Latest Extrusion Know How News And Updates
EXTRUSION: Melting 101
Learn the basics on how polymer melts in a single screw. Barrel temperature plays less of a role than you might think.
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Featured Posts
How Compression Ratio Impacts Extruder Performance
Let’s investigate how compression ratio affects performance of an extruder processing LLDPE.
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Use a Process Assessment to Determine the Benefits of Screw-Design Modification
This type of analysis will provide the converter with a clear picture of whether changes to the screw could provide economic gains through increased rate, yield, and quality.
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How To Identify Resin Degradation in Single-Screw Extruders
Degradation can occur in many single-screw extrusion operations, and typically occurs due to minor design flaws in the screw. Here is how to track it down.
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Optimizing Melt-Fed Single-Screw Extruders on Compounding Lines
The main problem with melt-fed extruders that are starve-fed is setting the depth of the metering channel. In this scenario, we describe how this problem was solved.
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What You Need to Know About Roll-Cooling Design
Cooling rolls might not look like high-tech machines, but the fact is there is a surprising amount of technology involved in their design, manufacture and use. Here’s what you need to know.
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What You Need to Know About Melt-Temperature Measurement in Single-Screw Extruders
Measuring the discharge temperature is not so simple, especially when using thermocouples positioned in the transfer line just upstream of the die.
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