KNOW-HOW - INJECTION MOLDING

Injection Molding

Understanding Intensification Ratio

A first step in taking the “art” out of molding.
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Injection Know How

Unraveling the Mysteries of Melt Temperature

Infrared technology can provide consistent and accurate readings of melt temperature. Here’s how to use it.
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Multi-Component

Two-Shot Molding and Tool Design

There are a few variations of the two-shot molding process, and each has implications for tool design.
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Injection Know How

Faster Is Not Always Better—Optimize Your Molding Cycle

It is possible for machines to run too fast, so find the sweet spot where maximum output overlaps with good parts.
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Drying

Water Droplets in the Feed Throat

And other reasons you must dry hygroscopic resins.
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Injection Know How

INJECTION MOLDING: How to Mold Living Hinges With No Flexing Required

Here are the five critical, intertwined components that must be perfected for a living hinge that doesn’t need to be flexed upon ejection.
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Purging Compounds

INJECTION MOLDING: Purging: A to Z

Use these steps as a guide to minimize the time and money it takes to switch materials and color on your presses.
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Injection Molding

INJECTION MOLDING: How Different Machine Types Handle Fill and Pack/Hold Times

The procedures are different between series and parallel machines. What type do you have? How can you tell? Here’s what you need to know.
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Injection Know How

INJECTION MOLDING: Processing Nylon…and Other Problems

As moisture content in this and other hygroscopic resins varies, so will your viscosity and process. Here’s how to deal with these issues
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Injection Know How

INJECTION MOLDING: Gate Freeze Study: Danger in a Name?

The test actually determines the hold time needed to mold repeatable parts, and it should be done regardless of whether the gate freezes or not.
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