Molds & Tooling
6 مشاهدة
LCP Product Jetting Marks
ظاهرة المشكلة
Snake-like streaks in front of the gate.
تحليل الأسباب
LCP's low viscosity makes jetting easy at high speed; small gates and open cavities aggravate it.; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first during troubleshooting
الحل
①Low speed in the initial stage with multi-stage injection; ②enlarge the gate; ③adjust gate position so the melt impacts the core; ④increase mold temperature.; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
Jetting marks are controlled by speed curve and gate.; after confirming effectiveness, solidify the parameters and practices into the work instruction to prevent recurrence; include this case in the defect archive as a reference for troubleshooting similar problems in the future
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