Injection Know How
Mold Filling Simulation: What, When, Why, How
Mold-filling analysis is the right direction to go, but if you want to arrive at your destination—good parts and an efficient process—you’ll need to pay attention to all the details and select an experienced professional to do the analysis.
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Screws and Pellets: One Size Does Not Fit All
Screw design, pellet type/size and material behavior are all critical issues to consider to deliver uniform melt to the mold.
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Why Non-Return Valves Leak
We all recognize that the non-return valve is a problem. The question is where is the research to figure out how to correct this so we have a better shot at making more consistent parts
Read MorePay Attention to Your Nozzle Body & Tip
These are overlooked components that can cost you thousands.
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Injection Molding: How to Set Second-Stage (Pack & Hold) Pressure
Most molders work with two parameters for establishing second-stage pressure. But within Scientific Molding there are actually four.
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Injection Molding: Understanding Pressure Loss In Injection Molding
One of the more prominent trends in processing is the need for higher plastic pressures to mold parts.
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Injection Molding: Processors: Teach Part Designers The Golden Rule
Make sure the designers you work with understand that there are limits to what processing can do.
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Injection Molding: Why & How to Do Gate-Seal Experiments
Part of optimizing any molding process is determining the second-stage injection, or pack and hold, parameters.
Read MoreInjection Molding: Answers to Bozzelli's Drying Quiz
Three questions about drying plastics that everyone should know how to answer.
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