Thermoforming
4 조회수
PETG sheet storage deformation
문제 현상
PETG sheets warp and deform during storage and cannot be directly thermoformed.
원인 분석
Stacked storage causes uneven force on upper and lower layers, ambient temperature changes cause uneven thermal expansion and contraction, and the internal stress of the sheets is not fully released.
해결 방법
Lay the sheets flat with uniform pressure; warehouse temperature controlled at 20±5°C; online annealing of sheets after extrusion.
핵심 요약
PETG sheet storage management is an important link in ensuring subsequent processing quality.
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