Processing Machinery
5 مشاهدة
PCABS barrel temperature gradient
ظاهرة المشكلة
PC/ABS barrel temperature gradient setting, feed 200-220℃ to nozzle 245-260℃.
تحليل الأسباب
PC/ABS barrel temperature gradient: feed zone 200-220℃, compression zone 220-240℃, metering zone 240-255℃, nozzle 245-260℃; the gradient affects plasticization and degradation; uniformity management.
الحل
①Feed zone 200-220℃; ②compression zone 220-240℃; ③metering zone 240-255℃; ④nozzle 245-260℃; ⑤gradient verification.
الخلاصة الأساسية
PCABS barrel gradient is fine temperature control; each section has different functions; verification ensures plasticization quality.; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence
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