Molds & Tooling
3 Aufrufe
POM winter compensation
Problembeschreibung
POM product dimensions are overall smaller in winter
Ursachenanalyse
Low workshop temperature makes the mold dissipate heat quickly, the actual mold temperature is lower than the set value, and the crystallization shrinkage pattern changes; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
Raise the mold temperature by 5-10°C in winter and measure it; take the upper limit for material temperature; insulate the workshop; after adjustment, take continuous samples 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
Wichtigste Erkenntnis
Seasonal temperature differences must be compensated by actual measurement, not just by looking at the settings; after confirming effectiveness, fix 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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