Injection Molding
5 مشاهدة
ABS injection pressure and wall thickness
ظاهرة المشكلة
[Problem phenomenon] ABS injection pressure one-size-fits-all, thin walls short shot and thick walls flash
تحليل الأسباب
Injection pressure 70-140MPa adjusted according to wall thickness and complexity: thin-wall complex parts take the upper limit to ensure filling, thick-wall simple parts take the lower limit to prevent flash and over-holding; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blind machine adjustment based solely on experience
الحل
Thin-wall complex parts take the upper limit of pressure; thick-wall parts take the lower limit; gradually reduce pressure after filling is satisfied; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
الخلاصة الأساسية
ABS injection pressure 70-140MPa, value selected according to wall thickness; after confirming effectiveness, fix the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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