Molds & Tooling
5 مشاهدة
PBT product flow marks
ظاهرة المشكلة
Wavy flow marks on the surface.
تحليل الأسباب
Low front temperature; slow speed or small gate.; when troubleshooting on site, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience; this mechanism has been repeatedly verified by industry data and should be confirmed first when troubleshooting
الحل
①Increase material temperature and mold temperature; ②increase speed; ③enlarge the gate; ④smooth filling.; 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
Flow marks are improved by temperature and speed.; after confirming effectiveness, solidify 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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