Blow Molding
13 مشاهدة
HDPE '2079851475616104457 Pinhole
ظاهرة المشكلة
HDPE blow molded barrel wall has pinhole leakage
تحليل الأسباب
Air entrapment in the parison or raw material impurities form pinholes after blowing; 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
Filter and check raw materials; investigate parison air entrapment; reject pinhole barrels; 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
2079851475616104457 pinholes are controlled by raw material and parison quality; 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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