processing tips
Five Steps Toward a Flawless Flat Film Start-Up
A poor line start-up benefits no one … except your competitors. Follow these five steps to get your film line fired up seamlessly.
Read More
Get the Most Bang For Your Purging Buck
More processors are turning to purging compounds to clean their machines and speed up changeovers. Here are tips on how to avoid typical trouble spots when using them.
Read More
TOOLING: Clearing Up the Mysteries Of Mold Texture
It’s a subject not widely understood by molders and it affects more than just part appearance.
Read More
Extrusion: What’s the Best Way to Vent?
There are advantages and disadvantages to each, and they must be evaluated before making a decision.
Read More
Materials: Analyzing Filler Content
The process is considered simple. But things aren’t always as they seem.
Read More
For Better Warpage Simulation, Consider the Whole Molding Process
Which way will it warp, and how much? To get an accurate prediction, you have to look at the whole mold and the whole process, over several cycles.
Read More
TOOLING: What You Can Do About Mold Buildup
It depends on the materials and additives you use, and the kinds of mold detail, but adequate venting, not overheating the material, and mold coatings are your best defenses.
Read More
INJECTION MOLDING: The Trouble with Mismatched Nozzle Tips & Sprue Bushings
It happens more than most molders realize and can cause a host of molding problems. Here’s what to look for and how to fix it.
Read More
MATERIALS: Analysis Gone Wrong: Part 2
But even misinterpreted tests can yield an approximation of the real composition of the material.
Read More
Coextruding Blown Film Needs Deeper Understanding of Resin Rheology & Die Design
More film processors are investing in lines with nine or more layers. With more resin possibilities and combinations coming into play, it’s important to learn more about material rheology and compatibility, as well as die design.
Read More
