Material Analysis
6 مشاهدة
AEPDS material cognition insufficient
ظاهرة المشكلة
AEPDS (AES) is mistakenly processed as ordinary ABS, weather resistance and low temperature advantages not utilized, process parameters not matched.
تحليل الأسباب
AEPDS is an acrylonitrile-EPDM-styrene copolymer, using EPDM rubber to replace the butadiene rubber of ABS; EPDM has no double bonds and excellent weather resistance; but processing characteristics differ from ABS; insufficient cognition leads to process errors.
الحل
①Clarify the material is AEPDS rather than ABS; ②adjust process according to EPDM rubber characteristics; ③confirm with supplier technical documents; ④training comparing with ABS process.
الخلاصة الأساسية
The rubber phase difference between AEPDS and ABS is the material essence; correct cognition is the premise of processing; supplier documents are the authoritative basis.; After confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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