Injection Know How
Apply the Power of a Troubleshooting Checklist to Your Process
Pocket guides provide processors an injection molding “crib sheet,” but in a process with thousands of interactions, applying if-this/then-that logic can’t always get you to a problem’s root cause.
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The Difference Between Knit and Meld Lines--and Why It Matters
In many part designs, flow fronts will inevitably be split, but how and where they come back together is hugely important to the molded part’s finished strength.
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Consider the Cushion When Seeking Shot-to-Shot Consistency
Creating and maintaining a consistent cushion is a key step in achieving shot-to-shot consistency. Learn what cushion is and how it affects part quality.
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The Importance of Gauging Residence-Time Distribution—Part 2
Each molecule in the molded product can have a different residence time. This variance is reflected in the Residence-Time Distribution, which you can learn how to determine below.
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Residence Time and Residence-Time Distribution—Part 1 of 2
Failing to calculate and accurately account for residence time can compromise material integrity before it’s even injected.
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Injection Molding: Understand the Link Between Feed Throat Temperature & Bridging
Save time and money by properly controlling the feed-throat temperature. In some cases—but not all—it can help you solve a bridging problem.
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How to Know When Your Process is Ready to Make Acceptable Parts
Focus on six key metrics to help you determine when a process is lined out and stable enough to start production.
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Back to the (Re)Grind
Some amount of scrap—generated in startup, shutdown or defective parts—is inevitable. How can you reclaim regrind into new profitable parts?
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Use This Check List to Get Your Machine Properly Installed
Whether you bought a new machine or one that’s been refurbished, you need to prepare for installation so that it can be executed as seamlessly as feasible. Here some advice.
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Fundamentals of Proper Press Shutdown
Press shutdown procedures have a significant impact on achieving smooth machine startups and restarts to improve uptime. Here’s a procedure you might want to deploy in your molding operation.
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