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5. Thermal mold sizing based on an optimal model
The starting point for dimensioning a tooling thermal control system is the 3D geometry of the part. The objectives of a control system are twofold.
Quantitative: cool the part as quickly as possible, or at least a certain thickness, to avoid damaging the part during ejection.
Qualitative: cooling the molded surface as uniformly as possible to reduce surface thermal gradients, which are a source of defects in the part.
5.1 Variables influencing tool thermal performance
There are only a few action parameters that can control heat transfer in the tool.
The first is obviously the number, shape and position of the control channels. The second parameter...
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Thermal mold sizing based on an optimal model
Choice of control fluid
Bibliography
Patents
A. Agazzi, V. Sobotka, R. Le Goff, D. Garcia, and Y. Jarny, "MCOOL process: Process for forming channels in tooling, tooling formed with such a process and product, computer program implementing such a process" FR 2976201, 2011.
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