Know-How
How Screw Design Can Boost Output of Single-Screw Extruders
Optimizing screw design for a lower discharge temperature has been shown to significantly increase output rate.
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21 Tips to Slash Energy Costs in Molding
This checklist can provide injection molders a good starting point on the path to reduced energy consumption and can generate some money savings on that journey.
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The Impact of Hydraulics on Tool Design, Practical Uses -- Part 2 of 2
Here are more tips on using hydraulically actuated devices on your tools.
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How to Configure Your Twin-Screw Barrel Layout
In twin-screw compounding, most engineers recognize the benefits of being able to configure screw elements. Here’s what you need to know about sequencing barrel sections.
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Tracing the History of Polymeric Materials, Part 26: High-Performance Thermoplastics
The majority of the polymers that today we rely on for outstanding performance — such as polysulfone, polyethersulfone, polyphenylsulfone and PPS — were introduced in the period between 1965 and 1985. Here’s how they entered your toolbox of engineering of materials.
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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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Troubleshooting Vent Flow Problems in Single-Screw Extruders
Vent flow can be a costly problem and a housekeeping nuisance. Here is some advice on how to eliminate it.
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Improving Twin-Screw Compounding of Reinforced Polyolefins
Compounders face a number of processing challenges when incorporating a high loading of low-bulk-density mineral filler into polyolefins. Here are some possible solutions.
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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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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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