Molds & Tooling
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POM water channel design
Problembeschreibung
Uneven cooling of the POM mold causes warpage
Ursachenanalyse
The water channel layout is unreasonable, and cooling is inconsistent at various points of the cavity; during on-site troubleshooting, verify item by item according to this mechanism, and 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
Lösung
Design water channels with equal length in parallel; control the temperature difference within 5°C; descale regularly; 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
Water channel balance is the design prerequisite for warpage prevention; 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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