Life is full of mixed blessings. Your worst enemy driving off a cliff in your new Ferrari is one. Hot runners can feel like another. They provide an array of benefits, including reduced material use, faster cycles, and overall better part quality. But they usually make the mold more expensive to manufacture and run; and they can be complicated, since they have to maintain the plastic material within them heated uniformly, while the rest of the injection mold is being cooled in order to solidify the product quickly. For this reason, hot runners are usually assembled from components pre-manufactured by specialized companies. And you better believe these guys keep busy, with no letup of new technologies. And that goes double during an NPE and Fakuma year like 2015. Worried that you might have missed some of it? You're probably not alone. So here's a look at some of what's new, now.
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