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John Bozzelli Founder
Injection Molding: Why & How to Do Gate-Seal Experiments
Part of optimizing any molding process is determining the second-stage injection, or pack and hold, parameters.
Read MoreInjection Molding: You Must Dry Hygroscopic Resins
The reason you dry certain plastics is to get the moisture out. But why does the moisture have to be taken out before processing?
Read MoreInjection Molding: Time Now for a Safety Review
For months many of us have been consumed with the Gulf oil pipeline blowout.
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Injection Molding: The Basics of Machine Evaluation, Part III
In the last two issues, we started defining some basic tests to ensure your injection molding machine is working properly.
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The Basics of Machine Evaluation, Part II
Last month we started defining some basic tests to ensure your injection molding machine is working properly.
Read MoreKnow the Basics of Machine Evaluation, Part I
Ever wonder how many shots are made each day via injection molding?
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How to Make the Transition to Electric Presses
Electric injection machines are becoming more and more prevalent, and as they hit the shop floor, you are responsible for making them produce parts with dimensions, appearance, and performance to client specifications.
Read MoreDon't Neglect Cooling... There's Money to Be Made
For most injection molding jobs, cooling is 95% of the cycle time.
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Balanced Filling Is Critical for Holding Molding Tolerances
Processors face a multitude of challenges whenever they approach an injection molding machine.
Read MoreGood Reasons to Make a Short Shot, and How to Do It Right
Making a proper short shot is an important aspect of practicing “scientific molding.” Upon startup of almost any mold, the first step is to make a short shot.
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Injection Molding Know-How: The ABCs of Delta P: Setting the First-Stage Pressure Limit
Here’s another trick of the trade that will make your life easier.
Read MoreInjection Molding Know-How: Drying Tips: A Dozen Details You Should Know
Drying is complicated.
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