Processing Machinery
9 مشاهدة
HDPE Stress Cracking
ظاهرة المشكلة
HDPE container cracks after holding detergent
تحليل الأسباب
HDPE environmental stress cracking resistance (ESCR) is limited, and surfactants induce cracking; during on-site troubleshooting, verify item by item according to this mechanism to avoid blindly adjusting the machine based solely on experience
الحل
Select high-ESCR grades; design the container structure to reduce stress; verify medium compatibility; 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
HDPE stress cracking is selected and verified according to ESCR; 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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