Articles
Free Guidance on Molding Resins
Mobile Specs app and website provide processing parameters on thousands of resins … at no cost.
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It’s a Connected World Now for Pumps, Valves & Drives, Too
New connectivity products from Bosch Rexroth permit digital monitoring of hydraulic systems for remote diagnostics and predictive maintenance.
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Switch to Centralized Vacuum Supply Saves Molder Energy, Boosts Production
Less maintenance means more time for processing, thanks to elimination of vacuum pumps at each press.
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Prices Flat for PE, PVC; Down for PS; Up for PP, PET
Contrary feedstock and demand trends lead to divergent pricing behavior.
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Reducing Low-Level Background Gels in PE Film
While considered acceptable in many cases, they need not be tolerated and are usually attributable to minor screw-design flaws. Here’s some advice on what to do about them.
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Pellet to Gate Control: The Value of a Holistic View of Melt Management
Molders tend to think about the elements of a melt-delivery system, from screw to hot-runner gate, in isolation from each other. But taking an integrated view of the whole system can have big consequences for cycle time, part quality, scrap rates, and energy consumption.
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Accredo’s Credo: Designed for Sustainability, Built for Success
In fewer than 10 years, Accredo Packaging has developed innovative packaging solutions—including the first-ever all-PE barrier standup pouch—while maintaining its commitment to being ‘green.’
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5 Ways Resin Conveying Systems Are Getting Smarter, Easier to Maintain
These five short videos provide a snapshot of what’s going on with the technologies that drive and control plastics resin conveying systems and provide unmatched operational visibility. Plastics processors will benefit from conveying systems that are more reliable, flexible and expandable to meet your plant’s specific needs.
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Tooling: Why Ejector Pins Break And How to Prevent It, Part 2
Here’s the when and how to reduce the unsupported length of pins.
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Injection Molding: Is There a ‘Most-Important’ Process Parameter?
A case can be made for multiple variables—fill balance, fill time, injection pressure, cavity pressure—as most important. But there is something else altogether that is essential to successful injection molding.
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A Processor’s Most Important Job, Part 8: Molded-In Stress
How processing adjustments can control molded-in stress.
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Market Trends in Polymer Additive Manufacturing
Unlike the BetaMax/VHS technology debate, all the established polymer print technologies have a viable long-term role to play in the 3D-printing industry.
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