Processing Machinery
5 مشاهدة
PPS product holding pressure management
ظاهرة المشكلة
Balance between sink marks and flash.
تحليل الأسباب
PPS low viscosity, excessive holding pressure easily causes flash; insufficient causes sink marks.; During on-site troubleshooting, verify item by item according to this mechanism, and 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
①Precise holding pressure setting; ②according to solidification time; ③staged holding pressure; ④verify balance.; 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
PPS holding pressure window is narrow; precise setting is key.; 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 subsequent similar problems
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