Molds & Tooling
3 Aufrufe
PETG product stress test unqualified
Problembeschreibung
In the PETG product stress cracking test (solvent immersion method), cracks appear and the stress exceeds the standard.
Ursachenanalyse
The '2079851475616104453 causes large internal stress (low mold temperature, fast cooling), and improper product design produces stress concentration.
Lösung
Increase the mold temperature to 40-60°C; extend cooling time; optimize product design; anneal after molding at 65°C/2-4h.
Wichtigste Erkenntnis
PETG stress management runs through the '2079851475616104453 and product design.
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