Molds & Tooling
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POM mold temperature uniformity
Problembeschreibung
The teeth of POM precision gears have inconsistent dimensions
Ursachenanalyse
Uneven mold cooling causes different crystallization shrinkage at various positions, directly impairing gear accuracy; during on-site troubleshooting, verify item by item according to this mechanism, and avoid blindly adjusting the machine based only on experience
Lösung
Design the water channels for equal flow; control the cavity surface temperature difference within ±3°C; measure the mold surface temperature regularly; after adjustment, take continuous samples to verify the effect, and resume mass production only after confirming stability
Wichtigste Erkenntnis
Mold temperature uniformity of precision parts is the foundation of dimensional accuracy; 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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