Know-How

Feed-Throat Temperature Control

It's the 'zone zero’ for injection molding.

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processing tips

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.

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Know 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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processing tips

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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Extrusion

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

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Molds & Tooling

Pay Attention to Your Nozzle Body & Tip

These are overlooked components that can cost you thousands.

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processing tips

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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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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