Extrusion & Post
11 조회수
PET Bottle Insufficient Top Load Strength
문제 현상
Bottles deform after stacking, collapsed bottles.
원인 분석
Unreasonable wall thickness distribution (locally too thin), insufficient stretch orientation, excessive lightweight design; insufficient blowing pressure leads to insufficient orientation.
해결 방법
①Optimize wall thickness distribution (lamp zone adjustment); ②ensure high-pressure blowing orientation; ③top load test monitoring; ④verify top load while lightweighting.
핵심 요약
Lightweighting forces top load management.
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