Molds & Tooling
14 مشاهدة
Product stress cracking
ظاهرة المشكلة
Surface microcracks appear on the product after processing or during use
تحليل الأسباب
Molding internal stress too large; mold temperature too low <120°C, quenching freezes the stress; design defects such as sharp corners on the product
الحل
Increase the mold temperature to 140-160°C; anneal the product at 180°C/2h to eliminate stress; avoid sharp corners and abrupt transitions in product design
الخلاصة الأساسية
The stress cracking problem of PES can be solved by annealing and optimizing the design
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