Thermoforming
4 조회수
PP '2079851475616104458 Webbing
문제 현상
Material piles up and wrinkles at corners during PP/TPO sheet '2079851475616104458.
원인 분석
Sheet overheating with excessive sag, surplus area, vacuum applied too late; olefin materials with low melt strength pile up more easily.
해결 방법
①Lower heating temperature or shorten heating time; ②use pre-blow bubble (billow) pre-stretching; ③cut the sheet smaller; ④enlarge mold fillets.
핵심 요약
For olefin sheet '2079851475616104458, make good use of pre-blow bubbles to prevent webbing.
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