Category Archives: Design for Manufacturing

How to Develop a Robust Ejection Strategy For Your Plastic Injection Mold Design

As an injection molder you want your plastic parts to eject easily, consistently, and quickly.  When parts get stuck in the mold, they get damaged, or the mold components break. In either case, you do not get the mold performance you deserve.  These issues will cause longer cycle times with increased costs and manufacturing delays. After […]

Achieving Extreme Flatness on Plastic Slides

“Anything under a thousandth is just crazy!” The Natech Engineer was just given a flatness requirement of 0.0005 mm per mm on plastic slides that measured 50 mm x 25 mm x 1 mm. You can think of plastic injection molding as a thermodynamic process with multiple factors that contribute to variation. Where will the […]

The Moldmaker’s Guide to a Robust Ejection Strategy

What are the last words any plastic injection molding manager wants to hear? “Something happened. We have to stop the mold and pull it from the press.” A panicked onslaught of questions follow. “What happened? What do we need to do? How long will the moldmaker take? What does this do to our production schedule?”Any […]