Know-How
Extrusion: Take Care of Your Rolls So They Can Play Their Role
In the sheet extrusion ´óÏó´«Ã½, one of your most important manufacturing assets is your cooling rolls.
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Tooling: The Science of Profile Die Balancing
In our last column, we discussed the five things profile extruders need to know about profile die design—proper land length, land-length ratio, drawdown, considerations for sensitive materials, and decompression.
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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.
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Your Extruder's Best Friend
That's the melt pump, and its main purpose is to precisely control output to the die.
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Control Flash in Extrusion Blow Molding
Ability to control the adverse effects of flash is critical to success in extrusion blow molding.
Read MoreKnow the Basics of Machine Evaluation, Part I
Ever wonder how many shots are made each day via injection molding?
Read MoreExtrusion & Thermal Properties: Not Just for the Lab Guys
Do you really need to know how thermal properties of polymers affect extrusion?
Read MoreDetermining Maximum Mold Cycle Counts
The first production meeting with my new employer went something like this: “We want you to establish a preventive maintenance program that is based on cycle counts for all our molds.” Before I could launch into an explanation of how best to determine maximum cycle counts, I was hit with this: “So, how many cycles do you think our molds can safely run before we need to clean them?”Leaving my crystal ball at home and unable to get my x-ray vision working, there was no way to answer that question with any accuracy.
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