Some molding shops insist that all of their molds have springs to return the ejector plates. And there are lots from which to choose. Here we’ll focus on compression die springs for injection molds.
Here are 15 examples of common molding issues that occur during an initial mold trial. Many of them could be avoided or corrected with a proactive checklist.
Your very costly mold in that very expensive press is relying on the performance of a $20 nozzle tip that no one ever checks, and has a high probability of not doing its job. Stop learning from your mistakes and start learning how not to make them.
Various types of interlocks are available to molders. Here, we discuss the oldest and most common types of interlocks—those with a tapered or angular shutoff.