Know-How
To Cushion or Not To Cushion: That Is the Question
Whether or not your process setup includes adding cushion depends on multiple factors, including the part being molded. Learn when and how to effectively apply cushion in your process.
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Process Monitoring or Production Monitoring — Why Not Both?
Molders looking to both monitor an injection molding process effectively and manage production can definitely do both with tools available today, but the question is how best to tackle these twin challenges.
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Best Practices for Engraving Cores and Cavities
Consider depth, font style, artwork size, polarity and location when engraving.
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What You Need to Know About Melt-Temperature Measurement in Single-Screw Extruders
Measuring the discharge temperature is not so simple, especially when using thermocouples positioned in the transfer line just upstream of the die.
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Bulk, Solid and Melt Density: How to Calculate These Values and Why They Matter — Part 1 of 2
How much resin is contained within a bucket, gaylord or hopper? That depends on the bulk density — a figure you need to learn how to calculate due to its impact on everything from storage and conveying to drying and molding.
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How to Select the Right Cooling Stack for Sheet
First, remember there is no universal cooling-roll stack. And be sure to take into account the specific heat of the polymer you are processing.
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How to Configure Your Twin-Screw Barrel Layout
In twin-screw compounding, most engineers recognize the benefits of being able to configure screw elements. Here’s what you need to know about sequencing barrel sections.
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What's Restricting My Output Rate?
In a single-screw extruder, it could be an improperly designed barrier flighted entry section. Here’s why.
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Important Factors and Approaches to Estimating Residence Time in Injection Molding
Residence time can have a dramatic impact on part quality and production efficiency but determining its value can be tricky. Use these methods and formulas to accurately measure residence time and enable it to inform everything from scheduling jobs to optimizing a process.
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A Systematic Approach to Process Development
The path to a no-baby-sitting injection molding process is paved with data and can be found by following certain steps.
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