Molds & Tooling
5 مشاهدة
PA66 flash insufficient clamping
ظاهرة المشكلة
PA66 product parting line flash disappears after raising clamping force but reappears soon
تحليل الأسباب
The root cause of flash is parting line fitting accuracy or platen deformation, clamping force compensation is only a temporary measure, and wear continues to worsen; during on-site troubleshooting, verify item by item according to this mechanism, avoiding blindly adjusting the machine based only on experience
الحل
Detect parting line flatness and fitting; regrind deformed platens; calculate clamping force according to projected area with 20% margin; after adjustment, take continuous samples to verify the effect, confirm stability before resuming mass production
الخلاصة الأساسية
Recurring flash requires checking mold precision, not just increasing pressure; after confirming effectiveness, fix the parameters and practices into the work instructions to prevent recurrence; include this case in the defect archive as a troubleshooting reference for subsequent similar problems
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