Molds & Tooling
5 مشاهدة
PCABS Short Shot Material Shortage
ظاهرة المشكلة
[Problem Phenomenon] PC/ABS thin-wall long-flow-path ends are short of material, and temperature adjustment has limited effect
تحليل الأسباب
Melt front freezing, poor venting, and too small gate; although PC/ABS has good flow, thin walls and long flows are still limited; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
الحل
Raise melt temperature and mold temperature to the upper limit of the window; strengthen venting; enlarge the gate; change to multiple gates if the flow length is too large; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability
الخلاصة الأساسية
For PC/ABS short shot, troubleshoot in the order of temperature, venting, and gate; 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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