Extrusion & Post
11 조회수
PMMA Annealing Process Missing
문제 현상
Products crack at the client side after leaving the factory.
원인 분석
Residual stress is not eliminated and is released and cracks during transportation/use.
해결 방법
①Anneal at 70~80℃ for 2~4 hours; ②Slow cooling after annealing; ③Full inspection of stress-sensitive parts with polarized light.
핵심 요약
Annealing = the factory insurance for transparent structural parts.
이 정보가 도움이 되었나요?
0 명이 도움이 되었다고 합니다
의견 주셔서 감사합니다!