best practices

Film Extrusion

Roll Cooling: Understand the Three Heat-Transfer Processes

Designing cooling rolls is complex, tedious and requires a lot of inputs. Getting it wrong may have a dramatic impact on productivity.

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Five Quick Steps Toward Better Blending

Rising costs of resins and additives, along with higher demands for quality and use of regrind, place a premium on proficient blending. Here are some steps to get you there.

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best practices

Got Streaks or Black Specs? Here’s How to Find and Fix Them

Determining the source of streaking or contamination in your molded parts is a critical step in perfecting your purging procedures ultimately saving you time and money.

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The Importance of Hot Nozzle-Tip Mating Against a Cold Sprue Bushing

Done improperly, the result is a cold slug in the nozzle/sprue and a production stop. But there is a better way.

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Getting into Plastics Additive Manufacturing? Avoid these Six Common Errors

There are a lot of 3D printing technologies out there, and it’s not uncommon for processors new to additive manufacturing to get tripped up. Here are some typical snafus, along with advice on how to avoid them before you start making parts.

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Why Shoulder Bolts Are Too Important to Ignore (Part 2)

Follow these tips and tricks for a better design.

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best practices

Why Shoulder Bolts Are Too Important to Ignore (Part 1)

These humble but essential fasteners used in injection molds are known by various names and used for a number of purposes.

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processing tips

Know Your Options in Injection Machine Nozzles

Improvements in nozzle design in recent years overcome some of the limitations of previous filter, mixing, and shut-off nozzles.

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best practices

Bozzelli’s Guide To Specifying a Dryer

Here's a list of 17 things to do when looking for new drying equipment.

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Run Lots of Colors? Time to Consider a Commercial Purging Compound

Processors who use commercial purging compounds will see a reduction in scrap levels, machine downtime and overall cost.

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