By Garrett MacKenzie: October 18, 2016
In lean manufacturing, changeover times are a vital component of shop performance. Minimal down time assures that multiple changeovers have little effect on a plant’s available machine time available. After all, less down time in the production equation offers more opportunities to take on more work and increase company profits. This article outlines specific approaches towards color changes that will support the potential of completing color changeovers in 3 to 7 minutes. This may seem like an impossible task to some, but with the proper planning, methods and equipment, it is an attainable and repeatable goal…..
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Scientific Molding is a phrase that followers of John Bozzelli’s teaching and readers of his Plastics Technology columns should be familiar with by now. But what is Scientific Molding?And why do molders seem to have such a difficult time embracing its concepts?
The answer to the first question is straightforward: Scientific Molding is a practice for achieving optimal control of the injection molding process to deliver faster molding cycles, higher yields, and a more robust molding process. This optimal control of the molding process is realized by focusing mainly on the behavior of the material in the mold, rather than on the machine….
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