
Calculating Thermal Expansion and Clamping Loads in High Cavitation Moulding
Calculated thermal expansion along tool plates dictates guide pin clearances and shut-height clamp adjustments required to prevent parting line damage.

Calculated thermal expansion along tool plates dictates guide pin clearances and shut-height clamp adjustments required to prevent parting line damage.

Optical coherence measurement uses broad-bandwidth infrared interference to capture deep cavity topographies without mechanical probe contact or lens clipping.

Cavity cooling rate drives polyamide skin-core spherulitic growth, setting local crystalline phase balance, volumetric shrinkage, and achievable DIN 16742 tolerances.

Sub-millimetre core pin survivability requires DLC coatings, controlled thermal expansion stack-ups, and force-monitored ejection to prevent buckling and galling.

Side-viewing prisms and polarized optical coherence gating extend sidewall slope scanning limits beyond eighty-five degrees in deep tooling cavities.
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