Injection Molding
6 조회수
PET Preform Injection Mold Sticking
문제 현상
The preform sticks to the cavity and is scratched.
원인 분석
High holding pressure, small draft angle, insufficient cooling; PET has high rigidity and large demolding force.
해결 방법
①Reduce holding pressure; ②extend cooling; ③polish; ④check ejection.
핵심 요약
Mold sticking = holding pressure and cooling.
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