Know-How
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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Overfeeding Can Cause Surges, Too
Surging can be caused by feed restrictions, as covered in another column, and also by over-feeding or under-melting, discussed here.
Read MoreKnow the Three F’s Of Profile Tooling Design
Designing an extrusion profile and ultimately the die design and sizing equipment cannot be executed successfully without a full understanding of the customer鈥檚 quality expectations or specifications.
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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
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Solving Feed-Related Surging
Understanding the causes of surging can help troubleshoot and correct it.
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Create a Maintenance Work (Bench) Cell
Get better results by improving the organization of your mold-maintenance operation.
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Making a Part for the First Time? Here’s How to Get Going
First time parison programming for a new part can be lengthy and tedious. Here's some advice on making the process a bit easier
Read MorePay Attention to Your Nozzle Body & Tip
These are overlooked components that can cost you thousands.
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Extrusion: A Roll Is a Roll Is a Roll?
Chill rolls may looks simple and shiny, but they play a critical part in cooling and polishing film and sheet and are not all the same.
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