Material Drying
4 조회수
Glass Fibre internal voids
문제 현상
Glass Fibre products have 1-3mm voids inside, concentrated at the thick-wall center
원인 분석
insufficient holding, thick-wall center not compacted; gas entrapment cannot be vented; moisture in raw material vaporizes
해결 방법
1) increase holding pressure 60-80MPa for full compaction; 2) increase mold venting; 3) fully dry the raw material
핵심 요약
internal voids are caused by insufficient holding and gas entrapment; high holding pressure and venting are key
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