Molds & Tooling
6 مشاهدة
PP Jetting Mark
ظاهرة المشكلة
【Problem Phenomenon】Snake-shaped jetting marks near PP gates
تحليل الأسباب
High speed through a small gate directly facing the cavity causes jetting; the front folds into marks; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
الحل
Overlap fan gate against the wall; gate facing the core; reduce initial speed; after adjustment, take continuous samples 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
PP jetting marks rely on gate wall-hitting arrangement; 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 similar problems in the future
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