Molding Process
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PETG product high notch sensitivity
Fenómeno do problema
The product easily breaks at notches, and the notched impact strength is low.
Análise das causas
PETG has the mechanical characteristic of notch sensitivity, and sharp corners and edges produce stress concentration.
Solução
Design the product to avoid sharp corners and edges; use larger fillet transitions; appropriately increase wall thickness.
Conclusão principal
PETG notch-sensitive design requires sufficient safety margin.
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