Processing Machinery
5 مشاهدة
PVC Thermocouple Calibration
ظاهرة المشكلة
Multiple PVC machines producing with same parameters, degradation degree differs
تحليل الأسباب
Thermocouple deviation makes actual temperatures differ, PVC narrow window extremely sensitive to deviation; during on-site troubleshooting, verify item by item according to this mechanism, avoid blindly adjusting the machine based solely on experience.
الحل
Thermocouples regularly calibrated; replace when deviation exceeds ±2℃; process parameters unified by actual measured temperature; after adjustment, continuously sample to verify the effect, and resume mass production only after confirming stability
الخلاصة الأساسية
PVC temperature control metering managed at ±2℃ precision; 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 later
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