Molds & Tooling 4 조회수

EVA product elliptical deformation

문제 현상

EVA round product ovality >1.03 after demolding

원인 분석

Asymmetric demolding force with the product deformed by lateral force; uneven cooling with different shrinkage in all directions

해결 방법

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

핵심 요약

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

EVA elliptical deformation symmetric ejection uniform cooling shaping time

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