Differential Cooling…

I was recently in a discussion with someone who was heavily involved in a molding trial…

We just went through a series of trials to reach the correct molded part dimensions on a part, and it turned out we needed to use four different temperatures to achieve this. What mold cooling information should we be documenting for this?
My Response
Regarding the mold cooling, you should first have a detailed diagram of the cooling line/themolator layout. This diagram should document the coolant temperature entering and leaving the mold for each temperature profile. Over time, you should consider adjusting the tooling to accommodate these complications.

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