Molds & Tooling 3 Aufrufe

EEA Product Elliptical Deformation

Problembeschreibung

EEA round products have ovality >1.03 after demolding

Ursachenanalyse

Asymmetric demolding force, product deformed by lateral force; uneven cooling, different shrinkage in each direction

Lösung

1) Uniform ejection design, 8-point ejection to avoid lateral force; 2) Annular uniform cooling; 3) Extend cooling time for full setting

Wichtigste Erkenntnis

Elliptical deformation is caused by asymmetric demolding force; uniform ejection is key

EEA elliptical deformation symmetric ejection uniform cooling setting time

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