Injection Know How
Stop Controlling Your Injection Molding Process with Machine-Only Settings
Monitor and record process outputs instead of the machine setpoints to ensure a validated process regardless of any machine deterioration, viscosity changes or other alterations.
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How to Stop Flash
Flashing of a part can occur for several reasons—from variations in the process or material to tooling trouble.
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A Simpler Way to Calculate Shot Size vs. Barrel Capacity
Let’s take another look at this seemingly dull but oh-so-crucial topic.
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How to Get Rid of Bubbles in Injection Molding
First find out if they are the result of trapped gas or a vacuum void. Then follow these steps to get rid of them.
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Creating a Capable Process Using Process Capability
Know your Cp from your Cpk and how parts can meet dimensional specifications but still not be “capable.”
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Molders’ Block: Dealing With Foreign Materials in a Hot-Runner System
Understanding plastic flow can help you understand how foreign materials move—or don’t move—through your hot-runner system.
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How to Set Up Mold Protect on Your Injection Machine
Set the start position for mold protect where anything in the mold could be subject to damage.
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Revisiting the '5 M's' of Molding
All injection molding ultimately comes down to the “Man, Mold, Machine, Material and Method.” But those key aspects can be viewed differently if you’re auditing mold changes before startup or troubleshooting changes for an already validated process.
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Understanding Fountain Flow in Injection Molding
The phenomenon of fountain flow affects almost every aspect of the molded product—starting with filling, extending to pack and hold, and ultimately manifesting in part defects like bubbles and voids.
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How Does Your Molding Machine Control Pack Pressure?
It seems some new machines have pack velocity issues, as machine builders are confusing processors with controllers that are more complicated than they need to be and less user-friendly.
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