processing tips
Vacuum Drying Sucks Wasted Time From Process Set-Up
A switch to vacuum drying resulted in a completely revamped process for this custom molder.
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What is Your Extruder Trying to Tell You?
Being in tune with your film extrusion equipment will allow you to identify issues before they start impacting production.
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Follow These Tips to Power Up Your Purging Process
A properly executed purging process can save processors thousands a year in lost production while helping them increase output and avoid scrap. Here’s how to optimize your results.
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Tooling: Tunnel Gates for Processors, Part 2
What you need to know to overcome problems out on the production floor.
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Injection Molding: Melting Amorphous vs. Semi-Crystalline Plastics
Understanding the differences in how each melts is crucial to obtaining melt uniformity.
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A Processor’s Most Important Job, Part 2: Crystallinity
Process conditions help determine the difference between the maximum degree of crystallinity that can be achieved in a polymer and the degree that is present in a molded part.
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Air-Ring Upgrade Pumps Up the Output
Film processor Dallas Plastics boosts throughput by as much as 40% by retrofitting a new air ring—without the need for IBC.
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Why Drying Polyolefins Might Be Right for Your Process
From a technical standpoint, drying non-hygroscopic materials such as polyethylene and polypropylene may not be necessary. However, doing so may be advantageous to your process. Here are details.
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Determining Vent Depths in Injection Molding
Experiments reveal the relationship between vent depths and part thickness, allowing molders and moldmakers to more precisely determine vent dimensions.
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A Processor’s Most Important Job, Part 1: Molecular Weight
Many processors don’t realize that preserving material characteristics is crucial to product success and failure. The focus here is on molecular weight.
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