Molds & Tooling
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PETG mold vent groove dimensions unreasonable
Problembeschreibung
Vent grooves with poor venting effect or poor durability design.
Ursachenanalyse
Vent groove depth too shallow causing insufficient venting, too deep causing overflow, width insufficient.
Lösung
Design vent groove depth at 0.02-0.03mm (PETG viscosity is moderate); width 5-10mm.
Wichtigste Erkenntnis
PETG vent groove dimensions directly affect the balance between venting and overflow.
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