Molds & Tooling
4 조회수
PVA product elliptical deformation
문제 현상
PVA round product ovality after demolding >1.03
원인 분석
Asymmetric demolding force, product deformed by lateral force; uneven cooling, different shrinkage in each direction
해결 방법
1) Uniform ejection design, 8-point ejection to avoid lateral force; 2) Annular uniform cooling; 3) Extend cooling time for full setting
핵심 요약
Elliptical deformation is caused by asymmetric demolding force; uniform ejection is the key
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