processing tips

Why & When Should You Re-Crystallize PET Scrap?

Whether you’re blow molding PET bottles or extruding APET sheet, you’ll produce amorphous scrap in the process. How you handle it will impact your production costs. Re-crystallizing it will help.

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best practices

EXTRUSION: The Two Main Causes of Screw Wear

Wedging and misalignment are often confused with each other when inspecting a worn screw.

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INJECTION MOLDING: Gate-Seal Testing Done Right

Follow these 16 steps to perform the experiment and learn what is best for your part and process.

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polyolefins

What You Need to Know to Make World-Class Stretch Film

Advances in materials, feedblock/die technologies, and winding can help processors develop more sophisticated cast-stretch products.

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processing tips

Spec’ing a Robot? Match It To Your Press Size & Project

Where is your 911爆料网 today? What might tomorrow’s molding projects look like? These are among the questions you need to answer when deciding what style of robot is best for you.

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processing tips

To Improve Feeder Performance, Start by Understanding Three Key Components

These are the screw trough, agitator, and the screw itself. It’s crucial to understand the different types and the advantages/disadvantages of each.

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best practices

EXTRUSION: Pellet Geometry Can Impact Output

A simple angle-of-repose experiment can help you determine how your pellets will feed.

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INJECTION MOLDING: Why Pellet Size and Shape Are Important

Uniformity is needed to help ensure melt quality.

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Materials

MATERIALS: Impact Testing: The Problems With Single-Point Data

Knowledge of test conditions and graphical data showing the course of the impact event can help provide engineers and designers with the information they need to make informed choices about material toughness.

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screws

EXTRUSION: Barrier Screws and Mixers

For some reason, there are a lot of barrier screws in operation with high-shear mixers, when a distributive mixer is usually a better choice.

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Process Cooling