best practices
How to Achieve Simulation Success, Part 1: Model Accuracy and Mesh Decisions
Molding simulation software is a powerful tool, but what you get out of it depends very much on your initial inputs. Follow these tips to create the most successful simulation possible.
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The Effects of Time on Polymers
Last month we briefly discussed the influence of temperature on the mechanical properties of polymers and reviewed some of the structural considerations that govern these effects.
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The Effects of Stress on Polymers
Previously we have discussed the effects of temperature and time on the long-term behavior of polymers. Now let's take a look at stress.
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How Backpressure Optimization Affects Melt Preparation
Backpressure is often the least understood of the settings in an injection molding process, even though it can play a significant role in the final quality of the part. Let’s start with understanding what backpressure is and then learn how to optimize it for a given mold.
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The Impact of Hydraulics on Tool Design -- Part 1 of 2
Get a better understanding of their use, proper sizing, and how the tool design and setup in the machine can impact failures in manufacturing.
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Use Cavity Pressure Measurement to Simplify GMP-Compliant Medical Molding
Cavity-pressure monitoring describes precisely what’s taking place inside the mold, providing a transparent view of the conditions under which a part is created and ensuring conformance with GMP and ISO 13485 in medical injection molding.
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How Important is Minimizing Residence Time in Injection Molding?
Does a focus on the concept of “minimum residence time” distract attention from areas of injection molding that have more of a direct impact on melt quality?
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Troubleshooting Leaky Temperature-Control Units
Learn the causes, symptoms and remedies for TCU leaks to keep these vital contributors to plastics processing up and running longer and more efficiently.
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The Path to Pellet Perfection
In underwater pelletizing, numerous variables in the equipment, process and material affect pellet shape, consistency and quality factors such as fines. Defining the “perfect” pellet depends on the conditions of end use, and achieving that ideal requires understanding of the causes of imperfections.
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How to Select the Right Tool Steel for Mold Cavities
With cavity steel or alloy selection there are many variables that can dictate the best option.
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