Know-How
Understanding Screw Breakage
You might think you're over-torquing the screw, but more often than not bending is the reason.
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Level Your Press in an Hour or Less
A level injection molding machine is necessary to keep producing high-quality parts. Here's how to do it right.
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Your Pre-Installation Checklist-Part 1
The work really begins after you've ordered your new machine.
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Extrusion: Where's the Data? The Importance of Melt Strength in Extrusion
All extrusion processes depend to some degree on the melt strength of the polymer, and this property is generally a no-show on data sheets.
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What's Different About Molding Engineering Plastics
If you try to run them like commodity materials such as PP you'll have problems.
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The Cause of Catastrophic Screw Wear
Erratic feeding can be the culprit. This is not uncommon when dealing with recycled material.
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Take a Scientific Approach to Troubleshooting
Taking a scientific approach minimizes the 'art' of molding, which is particularly helpful when troubleshooting
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Dimensional Stability after Molding—Part 5
All materials possess a property called the coefficient of thermal expansion (CTE). The vast majority of materials increase in size as their temperature increases and decrease in size as their temperature declines.
Read MoreThe Limits Of Compression Ratio
Don't rely just on this value during the screw design process.
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