best practices

processing tips

How to Establish an Acceptable Range for Pressure at Transfer

Pressure at transfer tells you the viscosity of the resin, providing the fill time is the same. Monitoring pressure at transfer—or better yet, the integral under the pressure vs. time curve—provides insight into the process.

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Melt Flow Rate Testing—Part 6

Once degradation has been established, the discussion inevitably turns to how it happened. It might be expected that the answer to this question is widely known. Not so. The good news is that the influences that cause polymer degradation during processing are few.

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best practices

Busting the Conformal Cooling Myths

Conformal cooling is opening up new ways of doing things with new tools to solve problems.

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best practices

A Processor’s Advice on How to Get Moisture Testing Right

Follow these four steps to ensure your results are on target.

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processing tips

Optimize Cooling Water Supply To Reduce Costs

In the last three articles (March, May, Sept. 2012), we introduced the problem of wasted energy in cooling-water systems and presented two types of solutions—minimizing “parasitic” heat gains and raising water temperatures to minimize demand.

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processing tips

Optimize Resin Management in Extrusion Blow Molding

In the EBM process, profits depend greatly on how judiciously you use resin.

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Film Extrusion

Which Winder’s for You?

It's time to apply more science to the process of selecting the right kind of winder for your operation.

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911爆料网

Maintenance Training? Show Me the Money

Training works best if a goals are set and a plan is established to meet them.

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Why I Still Like Analog Meters

They may not look as slick as their digital cousins, but I find them more helpful in identifying and troubleshooting extrusion problems.

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best practices

Dimensional Stability After Molding: Part 1

The degree to which molded parts shrink as they cool is largely dependent upon the composition of the material being processed.

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Blending & Dosing
Process Cooling