Articles
From Extruder to Pelletizer: What Happens in Between Influences Quality
There’s a lot more to strand pelletizing than dunking material in water and hoping for the best. Here’s some advice on taking out some of the guesswork.
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Troubleshooting Material Burning In Hot-Runner Systems
Burns in hot runners can be misleading and hard to diagnose correctly. Follow these tips to track down the root cause of your problem.
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On-Site: A Big Molder’s Technical Engineering Plus a Small Company’s Customer Service
That’s the formula for rapid growth at a new/old firm serving medical, military, and aviation markets.
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Air-Ring Upgrades Get Film Processor Quickly Up to Spec
PolyExpert’s trials lead to installation of three new air rings and one digital IBC control to speed changeovers and reduce scrap.
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Sandretto’s 3D Printer Highlights MilanPlast Show
A second injection press supplier throws its hat into the 3D ring. Meantime, several Italian suppliers’ growth plans target North America.
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TOOLING: How to Vent Mold Details
Principles to follow in venting bosses, ribs, pins, cores, slides, and lifters.
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EXTRUSION: Another Technique for Controlling Melt Temperature
Flight widths are almost always designed at 10% of the screw diameter. But they can be optimized to reduce melt temperature and perhaps boost output.
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INJECTION MOLDING: How to Specify an Injection Molding Machine
In part two of a three-part series, the focus is on the injection unit.
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MATERIALS: The Problems with Single-Point Data
Engineers who are used to working with metals are surprised that plastics cannot operate as close to their yield points as can metals. The yield point is not enough to tell you how the material reacts to stress.
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Can A Circular Economy Increase Plastics Recycling Rates?
The European Union (EU) has set a goal to recycle 60% of plastic packaging by 2025.
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First Ocean-Cleaning System Set to Deploy in 2016
The Ocean Cleanup's unique ocean cleaning-system will be the longest floating structure ever deployed in the ocean.
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Colorado Molder Joins First-in-the-Nation Skills Gap Initiative
A custom injection molder is at the center of an innovative partnership among businesses, governments and various organizations to not only better prepare job seekers for employment but also match their skill sets with companies’ pressing labor needs.
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