Know-How
How to Design Three-Plate Molds: Part 2
There are many things to consider, and paying attention to the details can help avoid machine downtime and higher maintenance costs, and keep the customer happy.
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What's the Allowable Moisture Content in Nylons? It Depends: Part 2
Operating within guidelines from material suppliers can produce levels of polymer degradation. Get around it with better control over either the temperature of the melt or the barrel residence time.
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How to Design Three-Plate Molds, Part 1
There are many things to consider, and paying attention to the details can help avoid machine downtime and higher maintenance costs, and keep the customer happy.
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Hot Runners: How to Maintain Heaters, Thermocouples, and Controls
I conclude this three-part examination of real-world problems and solutions involving hot runners by focusing on heaters, thermocouples, and controls. Part 3 of 3.
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What is the Allowable Moisture Content in Nylons? It Depends (Part 1)
A lot of the nylon that is processed is filled or reinforced, but the data sheets generally don’t account for this, making drying recommendations confusing. Here’s what you need to know.
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Mold Maintenance, Tooling Know How
The ability of technicians in an injection molding shop to fix, modify or upgrade a mold has a huge impact on that company’s bottom line. With this collection of content, we’ve bundled some of the very best advice on repairing and maintaining injection molding machines.
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Tracing the History of Polymeric Materials: Part 31, The Conclusion
Let’s close this lengthy series with some personal anecdotes.
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The Cost of High Employee Turnover in Injection Molding: Why Retention Matters
Starting in molding in 1993 and clocking in for nearly every job on the floor over the intervening decades, I’ve seen all sides of the hiring, training and retention process in the industry. Here are my thoughts on how to keep your most important asset — your people.
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Hot Runners: Truths. Myths, Overlooked Areas: Part 2
Here’s a view from the trenches of a tooling manager who, over 30 years, has experienced the joys and pains of using virtually every type of hot runner on the market. Part 2.
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How to Configure Your Twin-Screw Extruder: Part 3
The melting mechanism in a twin-screw extruder is quite different from that of a single screw. Design of the melting section affects how the material is melted, as well as melt temperature and quality.
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