Thermoforming
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PETG thermoformed product edge curling
Problembeschreibung
The product edges curl upward or downward and deform, unable to remain flat.
Ursachenanalyse
Sheet edges heated too much or too little, shrinkage inconsistent with the middle, mold edge cooling insufficient.
Lösung
Optimize sheet heating so the temperature difference between edges and middle is <5°C; strengthen edge cooling; increase edge clamping force.
Wichtigste Erkenntnis
PETG '2079851475616104458 edge curling is related to heating uniformity and cooling.
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