Quality Engineering トピックス 英語版

Quality engineering(QE) 14

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The other day, I explained the story of experimenting "transferability" of molding with quality engineering. As a result, we draw  'the graph of factorial effects' ,understand the optimal parameters, and obtain gain in confirmation experiments. However, looking at the actual molding product, although the dimensions and shape were good, there were quite a few burrs.  Considering the reason for this, it is cause that we set the mold size to the horizontal axis using the "standard SN ratio method". Under optimal conditions, it seems that excess resin was generated as burrs due to the situation where the resin was forcibly filled to match the mold dimensions. You should change the horizontal axis to the required dimension instead of the die dimension or adjust the parameters.

-Quality Engineering, トピックス, 英語版

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