Processing Machinery
5 مشاهدة
PVC Small-Batch Management
ظاهرة المشكلة
Laboratory PVC samples made according to the mass-production process gave unstable results
تحليل الأسباب
Shear heat distribution of lab equipment differs from that of large machines, so the process cannot be copied directly; 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
Establish the process window independently for lab trials; temperature is based on actual measurement; record equipment differences; 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
PVC process transfer must consider equipment differences; 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
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