Material Drying
6 مشاهدة
PVC Silver Streak
ظاهرة المشكلة
Radial silver streaks on PVC product surface
تحليل الأسباب
Caused by moisture or shear heat; PVC is shear-sensitive; 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
First verify by drying; if not eliminated, reduce speed and back pressure; after adjustment, continuously sample to verify the effect, and resume mass production after confirming stability; change only one variable at a time and record parameter changes to facilitate locating effective measures
الخلاصة الأساسية
For PVC silver streaks, troubleshoot moisture first, then shear; 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
هل كان هذا مفيدًا؟
0 شخص وجدوا هذا مفيدًا
شكرًا لك على ملاحظاتك!