Know-How
Don't Neglect Cooling... There's Money to Be Made
For most injection molding jobs, cooling is 95% of the cycle time.
Read MoreWhen Assembling Molds, Patience is THE Virtue
Installing and fitting close-tolerance tooling requires patience, a steady hand, attention to detail, and the ability to “read” resistance.
Read MoreDon't Get Burned by Adapters & Flow Pipes
Does degraded or burned polymer seem to show up when you least expect it?
Read MoreBalanced Filling Is Critical for Holding Molding Tolerances
Processors face a multitude of challenges whenever they approach an injection molding machine.
Read MoreCommunication Is Key in Designing Blown Film Dies
Over the years I have bought, designed, or helped design quite a number of blown film dies.
Read MoreHaving Output Problems? Check Your Feed-Port Design
With an extruder, like all other devices, “it can’t come out unless it goes in first.” That’s the first thing I remember when I am asked to figure out why an extruder is performing below expectations.
Read MoreYou Think You Know Your Molds? Try These 10 Questions to Find Out for Sure
A mold repair technician’s job has always been to make molds run—anyhow, any way.
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.
Read MoreInjection 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 MoreTooling Know-How: Five Tips on Profile Die Design
A poorly designed profile die—one that does not permit the part to be extruded with the same dimensions from run to run—coupled with a lack of understanding of the extrusion process, is a recipe for scrap generation.
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