Extrusion & Post
13 مشاهدة
PMMA Annealing Process Missing
ظاهرة المشكلة
Products crack at the client side after leaving the factory.
تحليل الأسباب
Residual stress is not eliminated and is released and cracks during transportation/use.
الحل
①Anneal at 70~80℃ for 2~4 hours; ②Slow cooling after annealing; ③Full inspection of stress-sensitive parts with polarized light.
الخلاصة الأساسية
Annealing = the factory insurance for transparent structural parts.
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