Processing Machinery
5 مشاهدة
SMMA Impact Resistance
ظاهرة المشكلة
SMMA impact resistance 2-4kJ/m², retained at low temperature, but affected by processing.
تحليل الأسباب
SMMA notched impact 2-4kJ/m² better than PS; toughness retained at low temperature; but reduced by processing degradation or stress; test verification; application matching.; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
الحل
①Protect toughness during processing; ②low-stress process; ③impact test; ④low-temperature verification; ⑤application matching.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
SMMA impact resistance is an upgrade advantage over PS; processing protection is the key; testing keeps performance.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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